/* roulang page: index */
:root {
            --primary: #1A2B4C;
            --primary-light: #243660;
            --primary-dark: #0F1A30;
            --accent: #FF6B35;
            --accent-hover: #E55A2B;
            --accent-light: #FF8C60;
            --bg: #F8F9FA;
            --bg-alt: #F0F3F8;
            --surface: #FFFFFF;
            --text: #212529;
            --text-secondary: #6C757D;
            --text-muted: #9CA3AF;
            --border: #DEE2E6;
            --border-light: #E9ECEF;
            --radius-sm: 6px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 6px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --section-gap: 80px;
            --section-gap-mobile: 40px;
            --nav-height: 70px;
            --container-max: 1200px;
            --transition: 0.25s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        input,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER / NAV ========== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #fff;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 16px;
            flex-shrink: 0;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .nav-menu a {
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.06);
        }
        .nav-menu a.active {
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .city-selector {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text);
            background: var(--bg);
            cursor: pointer;
            transition: all var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
            position: relative;
        }
        .city-selector:hover {
            border-color: var(--border);
            background: #fff;
        }
        .city-selector .pin-icon {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
        }
        .city-dropdown {
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 6px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
            min-width: 180px;
            padding: 8px 0;
            display: none;
            z-index: 1001;
            max-height: 300px;
            overflow-y: auto;
        }
        .city-dropdown.open {
            display: block;
        }
        .city-dropdown li {
            padding: 10px 18px;
            cursor: pointer;
            font-size: 14px;
            transition: background var(--transition);
            color: var(--text);
        }
        .city-dropdown li:hover {
            background: var(--bg);
            color: var(--accent);
        }
        .city-dropdown li.current {
            font-weight: 600;
            color: var(--accent);
            background: rgba(255, 107, 53, 0.05);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1002;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            padding: 24px;
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .mobile-city {
            padding: 12px 16px;
            background: var(--bg);
            border-radius: var(--radius);
            margin-bottom: 8px;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text);
        }
        .mobile-menu a {
            padding: 14px 16px;
            border-radius: var(--radius);
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
            display: block;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.06);
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-dark {
            background: var(--primary);
            color: #fff;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 40px;
            max-width: 700px;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            margin-top: var(--nav-height);
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 16, 30, 0.78) 0%, rgba(26, 43, 76, 0.72) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content {
            color: #fff;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 107, 53, 0.2);
            border: 1px solid rgba(255, 107, 53, 0.4);
            color: var(--accent-light);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .hero h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
            color: #fff;
        }
        .hero h1 .highlight {
            color: var(--accent);
        }
        .hero-description {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            border: 2px solid var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .btn-outline-dark {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline-dark:hover {
            background: var(--bg-alt);
            border-color: var(--primary-dark);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .hero-visual {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }
        .progress-ring-wrap {
            position: relative;
            width: 180px;
            height: 180px;
            flex-shrink: 0;
        }
        .progress-ring-wrap svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }
        .progress-ring-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.15);
            stroke-width: 10;
        }
        .progress-ring-fg {
            fill: none;
            stroke: var(--accent);
            stroke-width: 10;
            stroke-linecap: round;
            transition: stroke-dashoffset 1.2s ease;
        }
        .progress-ring-center {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #fff;
        }
        .progress-ring-center .big-num {
            font-size: 42px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
        }
        .progress-ring-center .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }
        .hero-tier-preview {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .hero-tier-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius);
            padding: 12px 16px;
            text-align: center;
            color: #fff;
            min-width: 90px;
            transition: all var(--transition);
            cursor: default;
        }
        .hero-tier-card:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: var(--accent);
        }
        .hero-tier-card .tier-name {
            font-weight: 700;
            font-size: 14px;
            color: var(--accent-light);
            margin-bottom: 4px;
        }
        .hero-tier-card .tier-desc {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== PROGRESS SECTION ========== */
        .progress-section .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .stat-card .stat-num {
            font-size: 42px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .stat-card .stat-unit {
            font-size: 16px;
            font-weight: 400;
            color: var(--text-secondary);
        }
        .stat-card .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 4px;
        }
        .bar-chart {
            display: flex;
            align-items: flex-end;
            gap: 12px;
            height: 120px;
            margin-top: 16px;
            justify-content: center;
        }
        .bar-chart .bar {
            width: 36px;
            background: var(--accent);
            border-radius: 4px 4px 0 0;
            transition: height 0.8s ease;
            position: relative;
            min-height: 10px;
            opacity: 0.85;
        }
        .bar-chart .bar:nth-child(odd) {
            opacity: 0.65;
        }
        .bar-chart .bar-label {
            position: absolute;
            bottom: -22px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 11px;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        /* ========== TIER SECTION ========== */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .tier-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 2px solid var(--border-light);
            text-align: center;
            transition: all var(--transition);
            position: relative;
            box-shadow: var(--shadow-sm);
        }
        .tier-card.featured {
            border-color: var(--accent);
            box-shadow: var(--shadow);
            transform: scale(1.03);
            z-index: 1;
        }
        .tier-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .tier-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
        }
        .tier-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            padding: 5px 16px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .tier-icon {
            font-size: 40px;
            margin-bottom: 12px;
        }
        .tier-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .tier-card .tier-price {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 4px;
        }
        .tier-card .tier-period {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .tier-features {
            text-align: left;
            margin-bottom: 20px;
            font-size: 14px;
            color: var(--text);
            line-height: 2;
        }
        .tier-features li::before {
            content: '✓ ';
            color: var(--accent);
            font-weight: 700;
        }

        /* ========== SOLUTION CARDS ========== */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .solution-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            text-align: center;
        }
        .solution-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .solution-card img {
            width: 48px;
            height: 48px;
            object-fit: contain;
            margin: 0 auto 16px;
        }
        .solution-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .solution-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-carousel {
            position: relative;
            overflow: hidden;
        }
        .testimonial-track {
            display: flex;
            transition: transform 0.5s ease;
            gap: 24px;
        }
        .testimonial-card {
            flex: 0 0 calc(50% - 12px);
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            min-width: 300px;
        }
        .testimonial-card .t-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--bg-alt);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent);
            font-weight: 700;
        }
        .testimonial-card .t-name {
            font-weight: 600;
            font-size: 15px;
            color: var(--primary);
        }
        .testimonial-card .t-role {
            font-size: 12px;
            color: var(--text-secondary);
        }
        .testimonial-card .t-quote {
            font-style: italic;
            font-size: 15px;
            color: var(--text);
            line-height: 1.7;
            background: var(--bg);
            padding: 14px 16px;
            border-radius: var(--radius);
            border-left: 3px solid var(--accent);
            quotes: none;
        }
        .carousel-nav {
            display: flex;
            gap: 10px;
            justify-content: center;
            margin-top: 24px;
        }
        .carousel-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--border);
            cursor: pointer;
            transition: all var(--transition);
        }
        .carousel-dot.active {
            background: var(--accent);
            width: 28px;
            border-radius: 10px;
        }
        .carousel-arrows {
            display: flex;
            gap: 8px;
            justify-content: center;
            margin-top: 12px;
        }
        .carousel-arrow {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--surface);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition);
            font-size: 18px;
            color: var(--primary);
        }
        .carousel-arrow:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        /* ========== NEWS ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--surface);
            box-shadow: var(--shadow-sm);
        }
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition);
            align-items: flex-start;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            background: var(--bg);
        }
        .news-date {
            flex-shrink: 0;
            font-size: 13px;
            color: var(--text-secondary);
            min-width: 90px;
            padding-top: 2px;
            font-weight: 500;
        }
        .news-body h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .news-body .read-more {
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            transition: color var(--transition);
        }
        .news-body .read-more:hover {
            color: var(--accent-hover);
            text-decoration: underline;
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            padding: 40px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .deep-content-row:last-child {
            border-bottom: none;
        }
        .deep-content-row.reverse {
            direction: rtl;
        }
        .deep-content-row.reverse .deep-text {
            direction: ltr;
        }
        .deep-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .deep-text p {
            font-size: 15px;
            color: var(--text);
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .deep-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            direction: ltr;
        }
        .deep-visual img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }
        .deep-info-box {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 20px;
            margin-top: 16px;
            border-left: 4px solid var(--accent);
            font-size: 14px;
            color: var(--text);
            line-height: 1.7;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            line-height: 1.9;
            font-size: 15px;
            color: var(--text);
        }
        .brand-intro h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }

        /* ========== CTA BANNER ========== */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-lg);
        }
        .cta-banner h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }
        .cta-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-banner .btn-primary {
            font-size: 16px;
            padding: 15px 32px;
        }

        /* ========== CALENDAR ========== */
        .calendar-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .calendar-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--surface);
            border-radius: var(--radius);
            padding: 16px 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .calendar-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .calendar-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }
        .calendar-date {
            font-weight: 600;
            font-size: 14px;
            color: var(--primary);
            min-width: 100px;
            flex-shrink: 0;
        }
        .calendar-info {
            font-size: 14px;
            color: var(--text);
            flex: 1;
        }
        .calendar-tag {
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 12px;
            background: rgba(255, 107, 53, 0.1);
            color: var(--accent);
            font-weight: 600;
            flex-shrink: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--surface);
            box-shadow: var(--shadow-sm);
        }
        .faq-item {
            border-bottom: 1px solid var(--border-light);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background var(--transition);
            background: var(--surface);
        }
        .faq-question:hover {
            background: var(--bg);
        }
        .faq-question .faq-icon {
            font-size: 20px;
            transition: transform var(--transition);
            flex-shrink: 0;
            color: var(--accent);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            background: var(--bg);
            font-size: 15px;
            color: var(--text);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 16px 24px;
        }
        .faq-answer-inner {
            padding: 0;
        }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--primary);
            color: #CCD5E4;
            padding: 48px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            color: #CCD5E4;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: #CCD5E4;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: #9CA3AF;
            justify-content: space-between;
            align-items: center;
        }
        .footer-bottom a {
            color: #9CA3AF;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.2);
            margin: 0 4px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .hero h1 {
                font-size: 32px;
            }
            .hero .container {
                gap: 32px;
            }
            .progress-ring-wrap {
                width: 150px;
                height: 150px;
            }
            .progress-ring-center .big-num {
                font-size: 34px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tier-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .tier-card.featured {
                transform: scale(1.01);
            }
            .tier-card.featured:hover {
                transform: scale(1.01) translateY(-4px);
            }
            .solution-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 992px) {
            .nav-menu {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .hero .container {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-content {
                order: 1;
            }
            .hero-visual {
                order: 0;
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
            }
            .hero-description {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero {
                min-height: auto;
                padding: 100px 0 60px;
            }
            .progress-ring-wrap {
                width: 130px;
                height: 130px;
            }
            .progress-ring-center .big-num {
                font-size: 30px;
            }
            .tier-grid {
                grid-template-columns: 1fr 1fr;
            }
            .tier-card.featured {
                transform: none;
                grid-column: span 2;
            }
            .tier-card.featured:hover {
                transform: translateY(-4px);
            }
            .deep-content-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .deep-content-row.reverse {
                direction: ltr;
            }
            .testimonial-card {
                flex: 0 0 100%;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-card .stat-num {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 24px;
            }
            .hero-description {
                font-size: 15px;
            }
            .hero-tier-preview {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-tier-card {
                min-width: auto;
            }
            .solution-grid {
                grid-template-columns: 1fr;
            }
            .tier-grid {
                grid-template-columns: 1fr;
            }
            .tier-card.featured {
                grid-column: span 1;
                transform: none;
            }
            .tier-card.featured:hover {
                transform: translateY(-4px);
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
                padding: 16px;
            }
            .news-date {
                min-width: auto;
            }
            .cta-banner {
                padding: 32px 20px;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
            .brand-intro {
                padding: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .bar-chart .bar {
                width: 24px;
            }
            .bar-chart {
                gap: 8px;
                height: 80px;
            }
            .calendar-item {
                flex-wrap: wrap;
                gap: 8px;
            }
            .calendar-date {
                min-width: auto;
            }
            .city-selector {
                font-size: 12px;
                padding: 6px 10px;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 21px;
            }
            .hero {
                padding: 80px 0 40px;
            }
            .hero-visual {
                flex-direction: column;
                align-items: center;
            }
            .progress-ring-wrap {
                width: 110px;
                height: 110px;
            }
            .progress-ring-center .big-num {
                font-size: 26px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 21px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
            .cta-banner h2 {
                font-size: 20px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-item.open .faq-answer {
                padding: 12px 16px;
            }
            .container {
                padding: 0 16px;
            }
            .logo {
                font-size: 17px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1A2B4C;
            --primary-light: #243660;
            --primary-dark: #0F1A30;
            --accent: #FF6B35;
            --accent-hover: #E55A2B;
            --accent-light: #FF8C60;
            --bg: #F8F9FA;
            --bg-alt: #F0F3F8;
            --surface: #FFFFFF;
            --text: #212529;
            --text-secondary: #6C757D;
            --text-muted: #9CA3AF;
            --border: #DEE2E6;
            --border-light: #E9ECEF;
            --radius-sm: 6px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 6px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --section-gap: 80px;
            --section-gap-mobile: 40px;
            --nav-height: 70px;
            --container-max: 1200px;
            --transition: 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            box-sizing: border-box;
        }

        *,
        *::before,
        *::after {
            box-sizing: inherit;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER / NAV ========== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #fff;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-menu a {
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.06);
        }

        .nav-menu a.active {
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .city-selector {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition);
            background: var(--bg);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .city-selector:hover {
            border-color: var(--border);
            color: var(--primary);
        }

        .city-selector .pin-icon {
            font-size: 16px;
            color: var(--accent);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1002;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            padding: 24px;
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .mobile-city {
            padding: 12px 16px;
            background: var(--bg);
            border-radius: var(--radius);
            margin-bottom: 8px;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-secondary);
        }

        .mobile-menu a {
            padding: 14px 16px;
            border-radius: var(--radius);
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
            display: block;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.06);
        }

        /* ========== HERO - 图标矩阵版 ========== */
        .hero-tips {
            background: var(--primary);
            padding: 60px 0 70px;
            position: relative;
            overflow: hidden;
        }

        .hero-tips::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-tips::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(255, 140, 96, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-tips .container {
            position: relative;
            z-index: 1;
        }

        .hero-tips-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .hero-tips-header .badge-row {
            display: flex;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .hero-tips-header .badge-row .tag {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.2);
            white-space: nowrap;
        }

        .hero-tips-header h1 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .hero-tips-header .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.5;
        }

        .icon-matrix {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 32px;
        }

        .icon-matrix-item {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 24px 16px;
            text-align: center;
            transition: all var(--transition);
            cursor: default;
        }

        .icon-matrix-item:hover {
            background: rgba(255, 255, 255, 0.13);
            border-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

        .icon-matrix-item .matrix-icon {
            font-size: 36px;
            margin-bottom: 10px;
            display: block;
        }

        .icon-matrix-item .matrix-label {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            line-height: 1.3;
        }

        .icon-matrix-item .matrix-sub {
            color: rgba(255, 255, 255, 0.6);
            font-size: 12px;
            margin-top: 4px;
        }

        .status-bar-row {
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 20px 28px;
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .status-item {
            text-align: center;
            min-width: 90px;
        }

        .status-item .status-val {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent-light);
            line-height: 1;
        }

        .status-item .status-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: var(--bg-alt);
        }

        .section-header {
            text-align: left;
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 700px;
            margin-top: 16px;
        }

        .section-header.center {
            text-align: center;
        }

        .section-header.center h2::after {
            left: 50%;
            transform: translateX(-50%);
        }

        /* ========== CARDS ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--border);
        }

        .card .card-icon {
            width: 48px;
            height: 48px;
            background: var(--bg-alt);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 16px;
        }

        .card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .card .card-tag {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(255, 107, 53, 0.08);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            border-radius: 20px;
            margin-top: 12px;
        }

        .card-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
        }

        .deep-content-block.reverse {
            direction: rtl;
        }

        .deep-content-block.reverse .deep-text {
            direction: ltr;
        }

        .deep-content-block .deep-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
        }

        .deep-content-block .deep-text p {
            font-size: 15px;
            color: var(--text);
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .deep-content-block .deep-text ul {
            list-style: none;
            padding: 0;
            margin-top: 16px;
        }

        .deep-content-block .deep-text ul li {
            padding: 8px 0 8px 24px;
            position: relative;
            font-size: 15px;
            color: var(--text);
            line-height: 1.6;
        }

        .deep-content-block .deep-text ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
        }

        .deep-content-block .deep-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .deep-content-block .deep-image img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            border-radius: var(--radius);
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stat-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .stat-card .stat-num {
            font-size: 38px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
        }

        .stat-card .stat-unit {
            font-size: 16px;
            color: var(--text-secondary);
            margin-left: 2px;
        }

        .stat-card .stat-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            position: relative;
            transition: all var(--transition);
        }

        .process-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .process-step .step-num {
            width: 40px;
            height: 40px;
            background: var(--accent);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            margin: 0 auto 14px;
        }

        .process-step h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background var(--transition);
            user-select: none;
            gap: 12px;
        }

        .faq-question:hover {
            background: var(--bg);
        }

        .faq-question .faq-arrow {
            font-size: 14px;
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            background: var(--bg);
            font-size: 15px;
            color: var(--text);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 16px 20px;
        }

        /* ========== CTA ========== */
        .cta-banner {
            background: var(--primary);
            padding: 60px 0;
            text-align: center;
            border-radius: var(--radius-lg);
            margin: 0 24px;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-banner h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }

        .btn {
            display: inline-block;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 16px;
            transition: all var(--transition);
            cursor: pointer;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            border: 2px solid var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }

        /* ========== FOOTER ========== */
        .footer {
            background: #1A2B4C;
            color: #CCD5E4;
            padding: 50px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            color: #CCD5E4;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: #CCD5E4;
            padding: 6px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
            text-decoration: underline;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: #9CA3AF;
            gap: 10px;
        }

        .footer-bottom span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.2);
            margin: 0 6px;
        }

        .footer-bottom a {
            color: #9CA3AF;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .nav-menu a {
                padding: 10px 10px;
                font-size: 13px;
            }
            .icon-matrix {
                grid-template-columns: repeat(4, 1fr);
                gap: 10px;
            }
            .icon-matrix-item {
                padding: 18px 10px;
            }
            .icon-matrix-item .matrix-icon {
                font-size: 28px;
            }
            .icon-matrix-item .matrix-label {
                font-size: 12px;
            }
        }

        @media (max-width: 992px) {
            .nav-menu {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-actions .city-selector {
                display: none;
            }
            .mobile-menu .mobile-city {
                display: flex;
            }
            .icon-matrix {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-2 {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-content-block {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 24px;
            }
            .deep-content-block.reverse {
                direction: ltr;
            }
            .deep-content-block .deep-image img {
                height: 200px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-tips-header h1 {
                font-size: 24px;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .status-bar-row {
                gap: 14px;
                padding: 14px 16px;
            }
            .status-item .status-val {
                font-size: 22px;
            }
        }

        @media (max-width: 576px) {
            .icon-matrix {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .icon-matrix-item {
                padding: 14px 8px;
            }
            .icon-matrix-item .matrix-icon {
                font-size: 24px;
            }
            .icon-matrix-item .matrix-label {
                font-size: 11px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-tips-header h1 {
                font-size: 22px;
            }
            .hero-tips-header .hero-sub {
                font-size: 15px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .cta-banner {
                margin: 0 12px;
                padding: 40px 20px;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
            .status-bar-row {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
            .btn {
                padding: 12px 24px;
                font-size: 15px;
            }
            .container {
                padding: 0 16px;
            }
            .deep-content-block {
                padding: 16px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-num {
                font-size: 28px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1A2B4C;
            --primary-light: #243660;
            --primary-dark: #0F1A30;
            --accent: #FF6B35;
            --accent-hover: #E55A2B;
            --accent-light: #FF8C60;
            --bg: #F8F9FA;
            --bg-alt: #F0F3F8;
            --surface: #FFFFFF;
            --text: #212529;
            --text-secondary: #6C757D;
            --text-muted: #9CA3AF;
            --border: #DEE2E6;
            --border-light: #E9ECEF;
            --radius-sm: 6px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 6px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --section-gap: 80px;
            --section-gap-mobile: 40px;
            --nav-height: 70px;
            --container-max: 1200px;
            --transition: 0.25s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: var(--bg-alt);
        }

        .section-dark {
            background: var(--primary);
            color: #fff;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 40px;
            max-width: 640px;
        }

        .section-title.centered,
        .section-subtitle.centered {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-dark .section-subtitle {
            color: #CCD5E4;
        }

        /* ========== HEADER / NAV ========== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #fff;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-menu a {
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.06);
        }

        .nav-menu a.active {
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .city-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-secondary);
            background: var(--bg);
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }

        .city-btn:hover {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.06);
        }

        .city-btn .pin-icon {
            font-size: 15px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1002;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            padding: 24px;
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .mobile-city {
            padding: 12px 16px;
            background: var(--bg);
            border-radius: var(--radius);
            margin-bottom: 8px;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-menu a {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.06);
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            white-space: nowrap;
            text-align: center;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            border: 2px solid var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
        }

        .btn-primary:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        .btn:disabled {
            opacity: 0.5;
            pointer-events: none;
        }

        /* ========== HERO (分类页) ========== */
        .cat-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: var(--primary-dark);
            overflow: hidden;
        }

        .cat-hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }

        .cat-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 26, 48, 0.7) 0%, rgba(26, 43, 76, 0.9) 100%);
            z-index: 1;
        }

        .cat-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 16px;
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .cat-hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: var(--accent);
            color: #fff;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .cat-hero h1 {
            font-size: 34px;
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            letter-spacing: -0.4px;
            max-width: 700px;
        }

        .cat-hero p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            line-height: 1.7;
        }

        .cat-hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .cat-hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .cat-hero-stat-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
        }

        .cat-hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== CARDS ========== */
        .card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }

        .card-body {
            padding: 20px;
        }

        .card-tag {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(255, 107, 53, 0.1);
            color: var(--accent);
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }

        .card-link {
            color: var(--accent);
            font-weight: 600;
            font-size: 14px;
            transition: color var(--transition);
        }

        .card-link:hover {
            color: var(--accent-hover);
            text-decoration: underline;
        }

        /* ========== GRID ========== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        /* ========== FEATURE CARDS ========== */
        .feature-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            background: rgba(255, 107, 53, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 26px;
            color: var(--accent);
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== TAG CLOUD ========== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag {
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            background: var(--surface);
            border: 1px solid var(--border);
            color: var(--text);
            transition: all var(--transition);
            cursor: pointer;
        }

        .tag:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .tag.hot {
            background: rgba(255, 107, 53, 0.08);
            border-color: var(--accent);
            color: var(--accent);
            font-weight: 600;
        }

        /* ========== STEPS / PROCESS ========== */
        .steps {
            display: flex;
            gap: 20px;
            counter-reset: step;
            flex-wrap: wrap;
        }

        .step-item {
            flex: 1;
            min-width: 220px;
            position: relative;
            padding: 28px 24px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            counter-increment: step;
            transition: all var(--transition);
        }

        .step-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 14px;
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== HIGHLIGHT BOX ========== */
        .highlight-box {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px;
            border-left: 4px solid var(--accent);
            box-shadow: var(--shadow-sm);
        }

        .highlight-box h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .highlight-box p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-question {
            width: 100%;
            padding: 18px 24px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: transparent;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: var(--bg);
        }

        .faq-icon {
            font-size: 20px;
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA BANNER ========== */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.15);
            pointer-events: none;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.1);
            pointer-events: none;
        }

        .cta-banner h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            font-size: 16px;
            color: #CCD5E4;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-banner .btn {
            position: relative;
            z-index: 1;
        }

        /* ========== PAGINATION ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition);
            border: 1px solid var(--border);
            background: var(--surface);
            color: var(--text);
        }

        .pagination a:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .pagination .active {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            font-weight: 700;
        }

        .pagination .disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--primary);
            color: #CCD5E4;
            padding: 48px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: #CCD5E4;
            padding: 4px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
            text-decoration: underline;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            font-size: 13px;
            color: #9CA3AF;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.2);
        }

        .footer-bottom a {
            color: #9CA3AF;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .nav-menu a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .cat-hero h1 {
                font-size: 28px;
            }
        }

        @media (max-width: 992px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-menu {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .cat-hero {
                min-height: 360px;
            }
            .cat-hero h1 {
                font-size: 26px;
            }
            .cat-hero p {
                font-size: 15px;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .cta-banner {
                padding: 36px 24px;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
            .steps {
                flex-direction: column;
            }
            .step-item {
                min-width: 100%;
            }
        }

        @media (max-width: 768px) {
            .grid-3,
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cat-hero {
                min-height: 320px;
            }
            .cat-hero h1 {
                font-size: 22px;
            }
            .cat-hero-stats {
                gap: 20px;
            }
            .cat-hero-stat-num {
                font-size: 26px;
            }
            .section-title {
                font-size: 22px;
            }
            .card-body {
                padding: 16px;
            }
            .card-title {
                font-size: 16px;
            }
            .highlight-box {
                padding: 20px;
            }
            .faq-question {
                padding: 14px 18px;
                font-size: 15px;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            .pagination a,
            .pagination span {
                min-width: 34px;
                height: 34px;
                font-size: 13px;
            }
            .tag {
                padding: 6px 12px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .cat-hero h1 {
                font-size: 20px;
            }
            .cat-hero p {
                font-size: 14px;
            }
            .cat-hero-stats {
                gap: 14px;
            }
            .cat-hero-stat-num {
                font-size: 22px;
            }
            .cat-hero-stat-label {
                font-size: 11px;
            }
            .grid-4 {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .feature-card {
                padding: 20px 16px;
            }
            .feature-icon {
                width: 44px;
                height: 44px;
                font-size: 22px;
            }
            .feature-card h3 {
                font-size: 15px;
            }
            .cta-banner h2 {
                font-size: 20px;
            }
            .container {
                padding: 0 16px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .btn-sm {
                width: auto;
            }
            .tag-cloud {
                gap: 6px;
            }
            .tag {
                padding: 5px 10px;
                font-size: 12px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1A2B4C;
            --primary-light: #243660;
            --primary-dark: #0F1A30;
            --accent: #FF6B35;
            --accent-hover: #E55A2B;
            --accent-light: #FF8C60;
            --bg: #F8F9FA;
            --bg-alt: #F0F3F8;
            --surface: #FFFFFF;
            --text: #212529;
            --text-secondary: #6C757D;
            --text-muted: #9CA3AF;
            --border: #DEE2E6;
            --border-light: #E9ECEF;
            --radius-sm: 6px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 6px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --section-gap: 80px;
            --section-gap-mobile: 40px;
            --nav-height: 70px;
            --container-max: 1200px;
            --transition: 0.25s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER / NAV ========== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #fff;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-menu a {
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.06);
        }

        .nav-menu a.active {
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .city-selector {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            cursor: pointer;
            background: var(--bg);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .city-selector:hover {
            background: var(--bg-alt);
            color: var(--accent);
        }

        .city-selector i {
            font-size: 14px;
            color: var(--accent);
        }

        .city-dropdown {
            display: none;
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 8px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            min-width: 180px;
            z-index: 1001;
            padding: 8px 0;
            border: 1px solid var(--border-light);
        }

        .city-dropdown.show {
            display: block;
        }

        .city-dropdown a {
            display: block;
            padding: 10px 18px;
            font-size: 14px;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .city-dropdown a:hover {
            background: var(--bg);
            color: var(--accent);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1002;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            padding: 24px;
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .mobile-city {
            padding: 12px 16px;
            background: var(--bg);
            border-radius: var(--radius);
            margin-bottom: 8px;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 500;
        }

        .mobile-menu a {
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
            display: block;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.06);
        }

        /* ========== SECTION SPACING ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: var(--bg-alt);
        }

        .section-dark {
            background: var(--primary);
            color: #fff;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            text-align: center;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            text-align: center;
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== HERO (矮横幅) ========== */
        .hero-banner {
            background: var(--bg-alt);
            padding: 50px 0;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-light);
        }

        .hero-banner .container {
            display: flex;
            align-items: center;
            gap: 40px;
            position: relative;
            z-index: 1;
        }

        .hero-banner .hero-text {
            flex: 1;
            min-width: 0;
        }

        .hero-banner .hero-text h1 {
            font-size: 30px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .hero-banner .hero-text p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 560px;
        }

        .hero-banner .hero-visual {
            flex: 0 0 380px;
            max-width: 380px;
        }

        .hero-banner .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            width: 100%;
            height: auto;
        }

        .hero-banner .hero-stats {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .hero-banner .hero-stat-item {
            background: #fff;
            border-radius: var(--radius);
            padding: 14px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            min-width: 90px;
        }

        .hero-banner .hero-stat-item .stat-num {
            font-size: 24px;
            font-weight: 700;
            color: var(--accent);
        }

        .hero-banner .hero-stat-item .stat-label {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 2px;
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            gap: 8px;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            border: 2px solid var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
            transform: translateY(-1px);
        }

        .btn-primary:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--bg-alt);
            border-color: var(--primary-dark);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        .btn-lg {
            padding: 15px 30px;
            font-size: 17px;
            border-radius: var(--radius);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        /* ========== CARDS ========== */
        .card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .card-body {
            padding: 24px;
        }

        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }

        .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .card-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== GRID ========== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            flex: 1;
            min-width: 160px;
            max-width: 220px;
            transition: all var(--transition);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .stat-card .stat-icon {
            font-size: 32px;
            margin-bottom: 10px;
            color: var(--accent);
        }

        .stat-card .stat-value {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
        }

        .stat-card .stat-unit {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        .stat-card .stat-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ========== TWO-COL LAYOUT ========== */
        .two-col {
            display: flex;
            gap: 48px;
            align-items: center;
        }

        .two-col .col-text {
            flex: 1;
            min-width: 0;
        }

        .two-col .col-visual {
            flex: 0 0 420px;
            max-width: 420px;
        }

        .two-col .col-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            width: 100%;
        }

        .two-col h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .two-col p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            counter-reset: step;
        }

        .process-step {
            flex: 1;
            min-width: 200px;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            position: relative;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            counter-increment: step;
        }

        .process-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .process-step::before {
            content: counter(step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            margin: 0 auto 14px;
        }

        .process-step h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .process-arrow {
            display: flex;
            align-items: center;
            color: var(--accent);
            font-size: 20px;
            flex-shrink: 0;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .testimonial-card .t-quote {
            font-size: 15px;
            color: var(--text);
            font-style: italic;
            line-height: 1.7;
            margin-bottom: 16px;
            position: relative;
            padding-left: 20px;
            border-left: 3px solid var(--accent);
        }

        .testimonial-card .t-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-card .t-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--accent);
            flex-shrink: 0;
        }

        .testimonial-card .t-info .t-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
        }

        .testimonial-card .t-info .t-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== FAQ ACCORDION ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-question {
            width: 100%;
            padding: 18px 20px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            background: #fff;
            transition: background var(--transition);
            gap: 12px;
        }

        .faq-question:hover {
            background: var(--bg);
        }

        .faq-question i {
            font-size: 14px;
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            background: var(--bg);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 16px 20px;
        }

        /* ========== CTA BANNER ========== */
        .cta-banner {
            background: var(--primary);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(255, 107, 53, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-banner .container {
            position: relative;
            z-index: 1;
        }

        .cta-banner h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== BADGE / TAG ========== */
        .badge {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(255, 107, 53, 0.1);
            color: var(--accent);
            white-space: nowrap;
        }

        .badge-primary {
            background: var(--primary);
            color: #fff;
        }

        /* ========== SERVICE LIST ========== */
        .service-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .service-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .service-list li:hover {
            box-shadow: var(--shadow);
            border-color: var(--border);
        }

        .service-list li i {
            color: var(--accent);
            font-size: 18px;
            margin-top: 2px;
            flex-shrink: 0;
        }

        .service-list li .sl-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .service-list li .sl-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--primary);
            color: #CCD5E4;
            padding: 48px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            color: #CCD5E4;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: #CCD5E4;
            padding: 4px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
            text-decoration: underline;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            justify-content: center;
            padding: 20px 0;
            font-size: 13px;
            color: #9CA3AF;
            text-align: center;
        }

        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.2);
            margin: 0 4px;
        }

        .footer-bottom a {
            color: #9CA3AF;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .nav-menu a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .hero-banner .hero-visual {
                flex: 0 0 300px;
                max-width: 300px;
            }
            .two-col .col-visual {
                flex: 0 0 340px;
                max-width: 340px;
            }
        }

        @media (max-width: 992px) {
            .nav-menu {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-actions .city-selector {
                display: none;
            }
            .hero-banner .container {
                flex-direction: column;
                text-align: center;
            }
            .hero-banner .hero-text p {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-banner .hero-visual {
                flex: 0 0 auto;
                max-width: 400px;
                width: 100%;
            }
            .hero-banner .hero-stats {
                justify-content: center;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .two-col {
                flex-direction: column;
                gap: 28px;
            }
            .two-col .col-visual {
                flex: 0 0 auto;
                max-width: 100%;
                order: -1;
            }
            .process-steps {
                flex-direction: column;
            }
            .process-arrow {
                display: none;
            }
            .stats-row {
                gap: 16px;
            }
            .stat-card {
                min-width: 130px;
                flex: 0 0 calc(50% - 12px);
                max-width: calc(50% - 12px);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .hero-banner .hero-text h1 {
                font-size: 26px;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding: 0 16px;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .hero-banner {
                padding: 32px 0;
            }
            .hero-banner .hero-text h1 {
                font-size: 22px;
            }
            .hero-banner .hero-stats {
                gap: 10px;
            }
            .hero-banner .hero-stat-item {
                min-width: 70px;
                padding: 10px 12px;
            }
            .hero-banner .hero-stat-item .stat-num {
                font-size: 20px;
            }
            .stat-card {
                flex: 0 0 100%;
                max-width: 100%;
                min-width: auto;
            }
            .stats-row {
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }
            .btn-lg {
                padding: 12px 20px;
                font-size: 15px;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
            .section-title {
                font-size: 21px;
            }
            .two-col h3 {
                font-size: 19px;
            }
            .process-step {
                min-width: auto;
            }
            .testimonial-card {
                padding: 20px 16px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1A2B4C;
            --primary-light: #243660;
            --primary-dark: #0F1A30;
            --accent: #FF6B35;
            --accent-hover: #E55A2B;
            --accent-light: #FF8C60;
            --bg: #F8F9FA;
            --bg-alt: #F0F3F8;
            --surface: #FFFFFF;
            --text: #212529;
            --text-secondary: #6C757D;
            --text-muted: #9CA3AF;
            --border: #DEE2E6;
            --border-light: #E9ECEF;
            --radius-sm: 6px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 6px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --section-gap: 80px;
            --section-gap-mobile: 40px;
            --nav-height: 70px;
            --container-max: 1200px;
            --transition: 0.25s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: var(--bg-alt);
        }

        .section-dark {
            background: var(--primary);
            color: #fff;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--accent);
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 640px;
        }

        .section-dark .section-subtitle {
            color: #CCD5E4;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== HEADER / NAV ========== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #fff;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-menu a {
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.06);
        }

        .nav-menu a.active {
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .city-selector {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition);
            background: var(--bg);
            white-space: nowrap;
        }

        .city-selector:hover {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.06);
        }

        .city-selector .pin-icon {
            font-size: 16px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1002;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            padding: 24px;
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .mobile-city {
            padding: 12px 16px;
            background: var(--bg);
            border-radius: var(--radius);
            margin-bottom: 8px;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-secondary);
        }

        .mobile-menu a {
            padding: 12px 16px;
            border-radius: var(--radius);
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
            display: block;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.06);
        }

        /* ========== HERO - 直播预告 + 倒计时 ========== */
        .hero {
            position: relative;
            min-height: 75vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 26, 48, 0.75) 0%, rgba(26, 43, 76, 0.85) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            max-width: 720px;
            padding: 40px 24px;
        }

        .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 1px;
            margin-bottom: 20px;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(255, 107, 53, 0);
            }
        }

        .hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #fff;
        }

        .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            line-height: 1.6;
        }

        .hero-match-preview {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .hero-team {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
            padding: 12px 24px;
            border-radius: var(--radius);
            backdrop-filter: blur(4px);
        }

        .hero-vs {
            font-size: 28px;
            font-weight: 900;
            color: var(--accent);
        }

        .countdown-wrapper {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .countdown-item {
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            min-width: 70px;
            text-align: center;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .countdown-num {
            font-size: 38px;
            font-weight: 900;
            color: #fff;
            line-height: 1;
            display: block;
        }

        .countdown-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
            display: block;
            letter-spacing: 1px;
        }

        .countdown-sep {
            font-size: 32px;
            font-weight: 700;
            color: var(--accent);
        }

        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            text-align: center;
            justify-content: center;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            border: 2px solid var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-1px);
        }

        .btn:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn:active {
            transform: translateY(0);
        }

        /* ========== CARDS ========== */
        .card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 24px;
            background: rgba(255, 107, 53, 0.1);
            color: var(--accent);
        }

        .card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .card-image {
            border-radius: var(--radius) var(--radius) 0 0;
            overflow: hidden;
            margin: -24px -24px 16px -24px;
        }

        .card-image img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .card:hover .card-image img {
            transform: scale(1.04);
        }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        /* ========== STATS ========== */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            text-align: center;
        }

        .stat-item {
            flex: 0 0 auto;
            min-width: 140px;
        }

        .stat-num {
            font-size: 42px;
            font-weight: 900;
            color: var(--accent);
            line-height: 1;
            display: block;
        }

        .stat-unit {
            font-size: 16px;
            font-weight: 400;
            color: var(--text-secondary);
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* ========== STEPS / PROCESS ========== */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            max-width: 800px;
            margin: 0 auto;
        }

        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 0;
            position: relative;
        }

        .step-item:not(:last-child)::after {
            content: '';
            position: absolute;
            left: 24px;
            top: 56px;
            bottom: 0;
            width: 2px;
            background: var(--border);
        }

        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            position: relative;
            z-index: 1;
        }

        .step-body h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .step-body p {
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
        }

        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }

        .testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent);
            flex-shrink: 0;
        }

        .testimonial-name {
            font-weight: 600;
            font-size: 15px;
            color: var(--primary);
        }

        .testimonial-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        .testimonial-text {
            font-size: 14px;
            color: var(--text-secondary);
            font-style: italic;
            line-height: 1.7;
            quotes: "「" "」";
        }

        .testimonial-text::before {
            content: "「";
            color: var(--accent);
            font-weight: 700;
            font-size: 18px;
        }

        .testimonial-text::after {
            content: "」";
            color: var(--accent);
            font-weight: 700;
            font-size: 18px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            background: var(--surface);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: all var(--transition);
            border-radius: var(--radius-sm);
            border: none;
        }

        .faq-question:hover {
            background: var(--bg);
        }

        .faq-icon {
            font-size: 20px;
            color: var(--accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            font-weight: 700;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            background: var(--bg);
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA BANNER ========== */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: rgba(255, 107, 53, 0.15);
            border-radius: 50%;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 140px;
            height: 140px;
            background: rgba(255, 107, 53, 0.1);
            border-radius: 50%;
        }

        .cta-banner>* {
            position: relative;
            z-index: 1;
        }

        .cta-banner h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-banner p {
            font-size: 16px;
            color: #CCD5E4;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 440px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 15px;
            transition: all var(--transition);
        }

        .subscribe-input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .subscribe-input:focus {
            outline: none;
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.18);
        }

        /* ========== HOT INTEL ========== */
        .hot-intel-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 900px;
            margin: 0 auto;
        }

        .hot-intel-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 20px;
            transition: all var(--transition);
            box-shadow: var(--shadow);
        }

        .hot-intel-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .hot-intel-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.5px;
            flex-shrink: 0;
            white-space: nowrap;
        }

        .tag-urgent {
            background: #FFE0D3;
            color: #C0392B;
        }

        .tag-update {
            background: #D5F0E8;
            color: #1A6B4A;
        }

        .tag-rumor {
            background: #FFF3CD;
            color: #856404;
        }

        .hot-intel-body h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .hot-intel-body p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .hot-intel-time {
            font-size: 12px;
            color: var(--text-muted);
            flex-shrink: 0;
            white-space: nowrap;
        }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--primary);
            color: #CCD5E4;
            padding: 48px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-col p {
            font-size: 13px;
            line-height: 1.7;
            color: #CCD5E4;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: #CCD5E4;
            padding: 4px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
            text-decoration: underline;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 12px;
            color: #9CA3AF;
            justify-content: space-between;
            align-items: center;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-bottom .sep {
            margin: 0 6px;
            color: rgba(255, 255, 255, 0.2);
        }

        .footer-bottom a {
            color: #9CA3AF;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .nav-menu a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 992px) {
            .nav-menu {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-actions .city-selector {
                display: none;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-team {
                font-size: 18px;
                padding: 10px 18px;
            }
            .countdown-num {
                font-size: 28px;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .stats-row {
                gap: 24px;
            }
            .stat-num {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 24px;
            }
            .hero-match-preview {
                gap: 10px;
            }
            .hero-team {
                font-size: 16px;
                padding: 8px 14px;
            }
            .hero-vs {
                font-size: 22px;
            }
            .countdown-item {
                min-width: 55px;
                padding: 12px 14px;
            }
            .countdown-num {
                font-size: 24px;
            }
            .cta-banner {
                padding: 32px 20px;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
            .hot-intel-item {
                flex-direction: column;
                gap: 8px;
            }
            .hot-intel-time {
                align-self: flex-end;
            }
            .stats-row {
                gap: 16px;
            }
            .stat-item {
                min-width: 100px;
            }
            .section-title {
                font-size: 22px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
            .hero {
                min-height: 65vh;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 20px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .countdown-item {
                min-width: 48px;
                padding: 10px 10px;
            }
            .countdown-num {
                font-size: 20px;
            }
            .countdown-label {
                font-size: 10px;
            }
            .countdown-sep {
                font-size: 22px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form .btn {
                width: 100%;
            }
            .container {
                padding: 0 16px;
            }
            .section-title {
                font-size: 20px;
            }
            .card {
                padding: 16px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1A2B4C;
            --primary-light: #243660;
            --primary-dark: #0F1A30;
            --accent: #FF6B35;
            --accent-hover: #E55A2B;
            --accent-light: #FF8C60;
            --bg: #F8F9FA;
            --bg-alt: #F0F3F8;
            --surface: #FFFFFF;
            --text: #212529;
            --text-secondary: #6C757D;
            --text-muted: #9CA3AF;
            --border: #DEE2E6;
            --border-light: #E9ECEF;
            --radius-sm: 6px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 6px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --section-gap: 80px;
            --section-gap-mobile: 40px;
            --nav-height: 70px;
            --container-max: 1200px;
            --transition: 0.25s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: var(--bg-alt);
        }

        .section-dark {
            background: var(--primary);
            color: #fff;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            text-align: center;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            text-align: center;
            margin-bottom: 48px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== HEADER / NAV ========== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #fff;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-menu a {
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.06);
        }

        .nav-menu a.active {
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .city-selector {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            background: var(--bg);
            border-radius: var(--radius);
            font-size: 13px;
            color: var(--text-secondary);
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .city-selector:hover {
            border-color: var(--border);
            background: var(--surface);
        }

        .city-selector .pin-icon {
            font-size: 15px;
            color: var(--accent);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1002;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            padding: 24px;
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .mobile-city {
            padding: 12px 16px;
            background: var(--bg);
            border-radius: var(--radius);
            margin-bottom: 8px;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-menu a {
            padding: 14px 16px;
            border-radius: var(--radius);
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
            display: block;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.06);
        }

        .mobile-menu a.active {
            font-weight: 600;
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            border: 2px solid transparent;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
        }

        .btn-primary:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-outline:hover {
            background: #F0F2F5;
            border-color: var(--primary-dark);
        }

        .btn-light {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }

        .btn-light:hover {
            background: #f0f0f0;
            border-color: #f0f0f0;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 17px;
            border-radius: var(--radius);
        }

        .btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* ========== CARDS ========== */
        .card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card-icon.orange {
            background: #FFF3ED;
            color: var(--accent);
        }

        .card-icon.blue {
            background: #EEF2F9;
            color: var(--primary);
        }

        .card-icon.green {
            background: #EDF8F0;
            color: #2D8C4A;
        }

        .card-icon.purple {
            background: #F5F0FA;
            color: #6B3FA0;
        }

        .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== GRID ========== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        /* ========== HERO - 白皮书获客 ========== */
        .hero-whitepaper {
            background: var(--primary);
            background-image: linear-gradient(160deg, #1A2B4C 0%, #0F1A30 40%, #1a2540 100%);
            min-height: 85vh;
            display: flex;
            align-items: center;
            padding: 60px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .hero-whitepaper::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.06);
            pointer-events: none;
        }

        .hero-whitepaper::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.04);
            pointer-events: none;
        }

        .hero-whitepaper .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-book-cover {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            box-shadow: var(--shadow-lg);
            position: relative;
            border-left: 6px solid var(--accent);
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-book-cover .book-label {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            align-self: flex-start;
            text-transform: uppercase;
        }

        .hero-book-cover .book-cover-img {
            width: 100%;
            border-radius: var(--radius);
            overflow: hidden;
            aspect-ratio: 16/10;
            background: var(--bg-alt);
        }

        .hero-book-cover .book-cover-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-book-cover .book-title-main {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
        }

        .hero-book-cover .book-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .hero-book-cover .book-highlights {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-book-cover .book-highlight-tag {
            font-size: 12px;
            font-weight: 600;
            padding: 6px 12px;
            border-radius: 20px;
            background: #FFF3ED;
            color: var(--accent);
            white-space: nowrap;
        }

        .hero-download-panel {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .hero-download-panel .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 13px;
            padding: 8px 16px;
            border-radius: 20px;
            align-self: flex-start;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .hero-download-panel h1 {
            font-size: 34px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            letter-spacing: -0.3px;
        }

        .hero-download-panel .hero-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            max-width: 480px;
        }

        .hero-toc {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero-toc .toc-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-light);
            margin-bottom: 12px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .hero-toc ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .hero-toc ul li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            padding-left: 20px;
            position: relative;
            line-height: 1.5;
        }

        .hero-toc ul li::before {
            content: '▸';
            position: absolute;
            left: 0;
            color: var(--accent);
            font-size: 12px;
            top: 2px;
        }

        .hero-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 420px;
        }

        .hero-form .form-row {
            display: flex;
            gap: 10px;
        }

        .hero-form input {
            flex: 1;
            padding: 14px 18px;
            border-radius: var(--radius);
            border: 2px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 15px;
            transition: all var(--transition);
            outline: none;
        }

        .hero-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .hero-form input:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }

        .hero-form .form-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.5;
        }

        .hero-form .form-note a {
            color: var(--accent-light);
            text-decoration: underline;
        }

        .hero-stats-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-item .stat-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
        }

        .hero-stat-item .stat-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }

        /* ========== STATS BANNER ========== */
        .stats-banner {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
            margin-top: -40px;
            position: relative;
            z-index: 10;
            border: 1px solid var(--border-light);
        }

        .stats-banner .stat-cell {
            padding: 24px 20px;
            text-align: center;
            border-right: 1px solid var(--border-light);
            transition: background var(--transition);
        }

        .stats-banner .stat-cell:last-child {
            border-right: none;
        }

        .stats-banner .stat-cell:hover {
            background: var(--bg);
        }

        .stats-banner .stat-value {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stats-banner .stat-unit {
            font-size: 14px;
            font-weight: 400;
            color: var(--text-secondary);
        }

        .stats-banner .stat-name {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
            padding: 24px 16px;
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .process-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .process-step .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            position: relative;
            z-index: 2;
        }

        .process-step .step-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .process-step .step-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .process-connector {
            display: none;
        }

        /* ========== CASE STUDY ========== */
        .case-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .case-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .case-card .case-visual {
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--bg-alt);
            aspect-ratio: 4/3;
        }

        .case-card .case-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-card .case-info h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .case-card .case-info .case-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            background: #FFF3ED;
            color: var(--accent);
            margin-bottom: 12px;
        }

        .case-card .case-info p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .case-card .case-data-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .case-card .case-data-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .case-card .case-data-item .cd-val {
            font-size: 22px;
            font-weight: 700;
            color: var(--accent);
        }

        .case-card .case-data-item .cd-lbl {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-block {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 40px;
            align-items: start;
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
        }

        .deep-content-block .deep-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .deep-content-block .deep-text p {
            font-size: 15px;
            color: var(--text);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .deep-content-block .deep-text .highlight-box {
            background: #FFF8F5;
            border-left: 4px solid var(--accent);
            padding: 16px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 16px 0;
            font-size: 14px;
            color: var(--primary);
            line-height: 1.6;
            font-weight: 500;
        }

        .deep-content-block .deep-sidebar {
            background: var(--bg-alt);
            border-radius: var(--radius);
            padding: 24px;
            position: sticky;
            top: calc(var(--nav-height) + 24px);
        }

        .deep-content-block .deep-sidebar h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .deep-content-block .deep-sidebar ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .deep-content-block .deep-sidebar ul li {
            font-size: 14px;
            color: var(--text-secondary);
            padding-left: 18px;
            position: relative;
            line-height: 1.5;
        }

        .deep-content-block .deep-sidebar ul li::before {
            content: '●';
            position: absolute;
            left: 0;
            color: var(--accent);
            font-size: 8px;
            top: 6px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px 18px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color var(--transition);
            background: transparent;
            border: none;
            line-height: 1.4;
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all var(--transition);
            color: var(--text-secondary);
        }

        .faq-item.open .faq-question .faq-icon {
            background: var(--accent);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            padding-right: 20px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--primary);
            background-image: linear-gradient(150deg, #1A2B4C 0%, #243660 50%, #1A2B4C 100%);
            text-align: center;
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.08);
            pointer-events: none;
        }

        .cta-section .cta-title {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-subtitle {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn {
            position: relative;
            z-index: 1;
        }

        /* ========== FOOTER ========== */
        .footer {
            background: #1A2B4C;
            color: #CCD5E4;
            padding: 48px 0 0;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-col p {
            font-size: 13px;
            line-height: 1.7;
            color: #9CA3AF;
            margin: 0;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: #CCD5E4;
            padding: 5px 0;
            transition: color var(--transition);
            line-height: 1.5;
        }

        .footer-col a:hover {
            color: var(--accent);
            text-decoration: underline;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 18px 0;
            font-size: 12px;
            color: #9CA3AF;
            gap: 8px;
        }

        .footer-bottom span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.2);
            margin: 0 4px;
        }

        .footer-bottom a {
            color: #9CA3AF;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .nav-menu a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .hero-download-panel h1 {
                font-size: 28px;
            }
            .hero-book-cover .book-title-main {
                font-size: 20px;
            }
            .deep-content-block {
                grid-template-columns: 1fr 300px;
                gap: 28px;
                padding: 28px;
            }
        }

        @media (max-width: 992px) {
            .nav-menu {
                display: none;
            }
            .nav-actions .city-selector {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .hero-whitepaper .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-download-panel h1 {
                font-size: 26px;
            }
            .hero-book-cover {
                max-width: 500px;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stats-banner {
                grid-template-columns: repeat(2, 1fr);
                margin-top: -20px;
            }
            .stats-banner .stat-cell {
                border-right: 1px solid var(--border-light);
                border-bottom: 1px solid var(--border-light);
            }
            .stats-banner .stat-cell:nth-child(2n) {
                border-right: none;
            }
            .stats-banner .stat-cell:nth-child(3),
            .stats-banner .stat-cell:nth-child(4) {
                border-bottom: none;
            }
            .case-card {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .deep-content-block {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 24px;
            }
            .deep-content-block .deep-sidebar {
                position: static;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-item .stat-num {
                font-size: 22px;
            }
        }

        @media (max-width: 768px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stats-banner {
                grid-template-columns: 1fr 1fr;
                margin-top: -16px;
                border-radius: var(--radius);
            }
            .hero-whitepaper {
                padding: 40px 0 50px;
                min-height: auto;
            }
            .hero-download-panel h1 {
                font-size: 22px;
            }
            .hero-book-cover {
                padding: 24px 20px;
            }
            .hero-book-cover .book-title-main {
                font-size: 18px;
            }
            .hero-form .form-row {
                flex-direction: column;
            }
            .hero-stats-row {
                gap: 12px;
            }
            .hero-stat-item .stat-num {
                font-size: 20px;
            }
            .case-card {
                padding: 20px;
            }
            .deep-content-block {
                padding: 20px;
                border-radius: var(--radius);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .cta-section .cta-title {
                font-size: 22px;
            }
            .section-title {
                font-size: 21px;
            }
            .section-subtitle {
                font-size: 14px;
                margin-bottom: 32px;
            }
            .btn-lg {
                padding: 14px 24px;
                font-size: 15px;
                width: 100%;
                justify-content: center;
            }
            .card {
                padding: 20px;
            }
            .stats-banner .stat-value {
                font-size: 28px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-whitepaper {
                padding: 28px 0 36px;
            }
            .hero-download-panel h1 {
                font-size: 20px;
            }
            .hero-book-cover {
                padding: 18px 14px;
                border-radius: var(--radius);
                border-left-width: 4px;
            }
            .hero-book-cover .book-title-main {
                font-size: 16px;
            }
            .hero-book-cover .book-subtitle {
                font-size: 13px;
            }
            .hero-toc {
                padding: 14px 16px;
            }
            .hero-toc ul li {
                font-size: 12px;
            }
            .hero-form input {
                padding: 12px 14px;
                font-size: 14px;
            }
            .stats-banner {
                grid-template-columns: 1fr 1fr;
                border-radius: var(--radius-sm);
            }
            .stats-banner .stat-cell {
                padding: 16px 12px;
            }
            .stats-banner .stat-value {
                font-size: 24px;
            }
            .case-card .case-data-row {
                gap: 12px;
            }
            .case-card .case-data-item .cd-val {
                font-size: 18px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 0;
            }
            .section {
                padding: 32px 0;
            }
            .section-title {
                font-size: 19px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #1A2B4C;
            --primary-light: #243660;
            --primary-dark: #0F1A30;
            --accent: #FF6B35;
            --accent-hover: #E55A2B;
            --accent-light: #FF8C60;
            --bg: #F8F9FA;
            --bg-alt: #F0F3F8;
            --surface: #FFFFFF;
            --text: #212529;
            --text-secondary: #6C757D;
            --text-muted: #9CA3AF;
            --border: #DEE2E6;
            --border-light: #E9ECEF;
            --radius-sm: 6px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 6px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --section-gap: 80px;
            --section-gap-mobile: 40px;
            --nav-height: 70px;
            --container-max: 1200px;
            --transition: 0.25s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: var(--bg-alt);
        }

        .section-dark {
            background: var(--primary);
            color: #fff;
        }

        /* ========== HEADER / NAV ========== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #fff;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-menu a {
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.06);
        }

        .nav-menu a.active {
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .city-selector {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition);
            background: var(--bg);
            border: 1px solid var(--border-light);
            white-space: nowrap;
        }

        .city-selector:hover {
            color: var(--accent);
            border-color: var(--accent);
            background: rgba(255, 107, 53, 0.04);
        }

        .city-selector i {
            font-size: 13px;
            color: var(--accent);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1002;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            padding: 24px;
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .mobile-city {
            padding: 12px 16px;
            background: var(--bg);
            border-radius: var(--radius);
            margin-bottom: 8px;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-secondary);
        }

        .mobile-menu a {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
            display: block;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.06);
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
        }

        .btn-primary:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--bg-alt);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.6);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        .btn-lg {
            padding: 15px 32px;
            font-size: 17px;
            border-radius: var(--radius);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        .btn:disabled {
            opacity: 0.5;
            pointer-events: none;
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            overflow: hidden;
            height: 100%;
        }

        .card-custom:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--border);
        }

        .card-custom .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-alt);
        }

        .card-custom .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .card-custom:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .card-custom .card-body {
            padding: 20px;
        }

        .card-custom .card-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(255, 107, 53, 0.1);
            color: var(--accent);
            margin-bottom: 10px;
        }

        .card-custom .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-custom .card-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .card-custom .card-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 43, 76, 0.88) 0%, rgba(15, 26, 48, 0.82) 100%);
            z-index: 1;
        }

        .hero-section .container {
            position: relative;
            z-index: 2;
        }

        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .hero-text h1 .highlight {
            color: var(--accent);
            position: relative;
        }

        .hero-text .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-text .hero-btns {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .hero-card {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 28px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
        }

        .hero-card .hero-card-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            background: rgba(255, 107, 53, 0.12);
            color: var(--accent);
            margin-bottom: 16px;
        }

        .hero-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .hero-card .hero-card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .hero-card .hero-card-features {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .hero-card .hero-card-features li {
            padding: 8px 0;
            font-size: 14px;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 1px solid var(--border-light);
        }

        .hero-card .hero-card-features li:last-child {
            border-bottom: none;
        }

        .hero-card .hero-card-features li i {
            color: var(--accent);
            font-size: 14px;
            flex-shrink: 0;
        }

        /* ========== STATS BAR ========== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-item {
            text-align: center;
            padding: 24px 16px;
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .stat-value {
            font-size: 40px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .stat-unit {
            font-size: 16px;
            font-weight: 600;
            color: var(--accent);
        }

        /* ========== EXPERT CARDS ========== */
        .expert-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            text-align: center;
            transition: all var(--transition);
            height: 100%;
        }

        .expert-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .expert-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            margin: 0 auto 16px;
            overflow: hidden;
            border: 3px solid var(--accent);
            flex-shrink: 0;
        }

        .expert-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .expert-card .expert-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .expert-card .expert-title {
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 10px;
        }

        .expert-card .expert-bio {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .expert-card .expert-stats {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }

        .expert-card .expert-stat-num {
            font-size: 22px;
            font-weight: 700;
            color: var(--accent);
        }

        .expert-card .expert-stat-label {
            font-size: 11px;
            color: var(--text-muted);
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
            padding: 32px 20px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .process-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .process-step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
        }

        .process-step h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== TESTIMONIAL ========== */
        .testimonial-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            height: 100%;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .testimonial-card .testimonial-quote {
            font-size: 15px;
            color: var(--text);
            line-height: 1.7;
            font-style: italic;
            position: relative;
            padding-left: 20px;
            margin-bottom: 16px;
            border-left: 3px solid var(--accent);
            background: rgba(255, 107, 53, 0.03);
            padding: 16px 16px 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }

        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-card .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--bg-alt);
            overflow: hidden;
            flex-shrink: 0;
        }

        .testimonial-card .testimonial-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .testimonial-card .testimonial-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
        }

        .testimonial-card .testimonial-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== SCENARIO CARDS ========== */
        .scenario-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            text-align: center;
            transition: all var(--transition);
            height: 100%;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .scenario-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(26, 43, 76, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 24px;
            color: var(--primary);
            transition: all var(--transition);
        }

        .scenario-card:hover .scenario-icon {
            background: var(--accent);
            color: #fff;
        }

        .scenario-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item.active {
            border-color: var(--accent);
            box-shadow: var(--shadow);
        }

        .faq-question {
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all var(--transition);
            user-select: none;
            background: var(--surface);
            width: 100%;
            text-align: left;
            border: none;
            font-family: inherit;
        }

        .faq-question:hover {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.02);
        }

        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            background: var(--bg);
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        .faq-answer-inner {
            padding-top: 4px;
        }

        /* ========== CTA BANNER ========== */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.15);
            pointer-events: none;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.1);
            pointer-events: none;
        }

        .cta-banner .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-banner h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--primary);
            color: #CCD5E4;
            padding: 48px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            color: #CCD5E4;
            margin-bottom: 8px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: #CCD5E4;
            padding: 6px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
            text-decoration: underline;
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: #9CA3AF;
            gap: 10px;
        }

        .footer-bottom span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.2);
            margin: 0 8px;
        }

        .footer-bottom a {
            color: var(--accent);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent-light);
            text-decoration: underline;
        }

        /* ========== SECTION HEADINGS ========== */
        .section-heading {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-heading h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .section-heading p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-heading-left {
            text-align: left;
            margin-bottom: 36px;
        }

        .section-heading-left h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .section-heading-left p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== BADGE / TAG ========== */
        .badge-accent {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(255, 107, 53, 0.1);
            color: var(--accent);
        }

        .badge-primary {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(26, 43, 76, 0.08);
            color: var(--primary);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .nav-menu a {
                padding: 10px 10px;
                font-size: 13px;
            }
            .hero-content {
                gap: 32px;
            }
            .hero-text h1 {
                font-size: 30px;
            }
        }

        @media (max-width: 992px) {
            .nav-menu {
                display: none;
            }
            .nav-actions {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-card {
                max-width: 480px;
                margin: 0 auto;
            }
            .hero-text {
                text-align: center;
            }
            .hero-text .hero-subtitle {
                max-width: 100%;
            }
            .hero-text .hero-btns {
                justify-content: center;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .cta-banner {
                padding: 32px 24px;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
            .hero-section {
                min-height: auto;
                padding: 40px 0 60px;
            }
            .hero-text h1 {
                font-size: 26px;
            }
            .section-heading h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 768px) {
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-value {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .hero-text h1 {
                font-size: 24px;
            }
            .section-heading h2 {
                font-size: 22px;
            }
            .card-custom .card-title {
                font-size: 16px;
            }
            .expert-card {
                padding: 20px;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding: 0 16px;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-value {
                font-size: 28px;
            }
            .stat-item {
                padding: 16px 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero-text h1 {
                font-size: 22px;
            }
            .hero-text .hero-subtitle {
                font-size: 15px;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 15px;
            }
            .hero-section {
                min-height: auto;
                padding: 30px 0 40px;
            }
            .section {
                padding: 32px 0;
            }
            .cta-banner {
                padding: 28px 18px;
                border-radius: var(--radius-lg);
            }
            .cta-banner h2 {
                font-size: 20px;
            }
            .section-heading {
                margin-bottom: 28px;
            }
            .section-heading h2 {
                font-size: 20px;
            }
            .expert-avatar {
                width: 64px;
                height: 64px;
            }
            .process-step-num {
                width: 42px;
                height: 42px;
                font-size: 18px;
            }
            .logo {
                font-size: 17px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #1A2B4C;
            --primary-light: #243660;
            --primary-dark: #0F1A30;
            --accent: #FF6B35;
            --accent-hover: #E55A2B;
            --accent-light: #FF8C60;
            --accent-soft: #FFF3EE;
            --bg: #F8F9FA;
            --bg-alt: #F0F3F8;
            --bg-warm: #FFFAF7;
            --surface: #FFFFFF;
            --text: #212529;
            --text-secondary: #6C757D;
            --text-muted: #9CA3AF;
            --border: #DEE2E6;
            --border-light: #E9ECEF;
            --radius-sm: 6px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-2xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 6px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --section-gap: 80px;
            --section-gap-mobile: 40px;
            --nav-height: 70px;
            --container-max: 1200px;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER / NAV ========== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #fff;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-menu a {
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.06);
        }

        .nav-menu a.active {
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .city-selector {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--primary);
            background: var(--bg);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            font-weight: 500;
            border: 1px solid transparent;
        }

        .city-selector:hover {
            background: var(--bg-alt);
            border-color: var(--border);
        }

        .city-selector .pin-icon {
            font-size: 16px;
            color: var(--accent);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1002;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            padding: 24px;
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .mobile-city {
            padding: 14px 16px;
            background: var(--bg);
            border-radius: var(--radius);
            margin-bottom: 8px;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 500;
        }

        .mobile-menu a {
            padding: 14px 16px;
            border-radius: var(--radius);
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
            display: block;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.06);
        }

        .mobile-menu a.active {
            font-weight: 600;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: var(--bg-alt);
        }

        .section-warm {
            background: var(--bg-warm);
        }

        .section-dark {
            background: var(--primary);
            color: #fff;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== HERO ========== */
        .hero-beginner {
            position: relative;
            background: linear-gradient(170deg, #0F1A30 0%, #1A2B4C 40%, #243660 100%);
            padding: 60px 0 80px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-beginner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-beginner::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 140, 96, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-beginner .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-beginner-content {
            color: #fff;
        }

        .hero-beginner-badge {
            display: inline-block;
            background: rgba(255, 107, 53, 0.2);
            color: var(--accent-light);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
            border: 1px solid rgba(255, 107, 53, 0.3);
        }

        .hero-beginner-content h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            color: #fff;
        }

        .hero-beginner-content h1 .highlight {
            color: var(--accent);
            position: relative;
        }

        .hero-beginner-content p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 480px;
        }

        .hero-beginner-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            white-space: nowrap;
            text-align: center;
            letter-spacing: 0.2px;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            border: 2px solid var(--accent);
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.45);
            transform: translateY(-1px);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.35);
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-1px);
        }

        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .hero-beginner-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-beginner-visual .visual-card {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            width: 100%;
            max-width: 420px;
            position: relative;
        }

        .hero-beginner-visual .visual-card img {
            width: 100%;
            aspect-ratio: 3/4;
            object-fit: cover;
            display: block;
        }

        .hero-beginner-visual .visual-card-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
            padding: 28px 20px 20px;
            color: #fff;
        }

        .hero-beginner-visual .visual-card-overlay span {
            font-size: 13px;
            font-weight: 500;
            opacity: 0.85;
            display: block;
            margin-bottom: 4px;
        }

        .hero-beginner-visual .visual-card-overlay strong {
            font-size: 18px;
            font-weight: 700;
            display: block;
        }

        .hero-beginner-visual .play-badge {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 64px;
            height: 64px;
            background: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 28px rgba(255, 107, 53, 0.5);
            pointer-events: none;
            z-index: 2;
        }

        .hero-beginner-visual .play-badge::after {
            content: '';
            display: block;
            width: 0;
            height: 0;
            border-left: 18px solid #fff;
            border-top: 11px solid transparent;
            border-bottom: 11px solid transparent;
            margin-left: 4px;
        }

        /* ========== CARDS ========== */
        .card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--border);
        }

        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card-icon.orange {
            background: #FFF3EE;
            color: var(--accent);
        }

        .card-icon.blue {
            background: #EEF2F9;
            color: var(--primary);
        }

        .card-icon.green {
            background: #EDF7F0;
            color: #2D8C4A;
        }

        .card-icon.purple {
            background: #F3EEF9;
            color: #6B3FA0;
        }

        .card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
            letter-spacing: -0.2px;
        }

        .card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            flex-grow: 1;
        }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        /* ========== STEPS / TIMELINE ========== */
        .steps-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0;
            max-width: 800px;
            margin: 0 auto;
        }

        .steps-list li {
            display: flex;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border-light);
            position: relative;
            align-items: flex-start;
        }

        .steps-list li:last-child {
            border-bottom: none;
        }

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
        }

        .step-content h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .step-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        .step-content .step-tag {
            display: inline-block;
            font-size: 12px;
            background: var(--bg-alt);
            color: var(--text-secondary);
            padding: 4px 10px;
            border-radius: 12px;
            margin-top: 8px;
            font-weight: 500;
        }

        /* ========== INFO BOX ========== */
        .info-box {
            background: #FFF8F5;
            border: 1px solid #FFE0D0;
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            margin-top: 20px;
        }

        .info-box-icon {
            font-size: 28px;
            flex-shrink: 0;
        }

        .info-box p {
            font-size: 14px;
            color: var(--text);
            line-height: 1.7;
            margin: 0;
        }

        .info-box strong {
            color: var(--accent);
        }

        /* ========== MISTAKE CARDS ========== */
        .mistake-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition);
            height: 100%;
        }

        .mistake-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: #FFC9B0;
            background: #FFFDFB;
        }

        .mistake-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #FFF0EA;
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
            font-weight: 700;
        }

        .mistake-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .mistake-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== RESOURCE CARD ========== */
        .resource-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            height: 100%;
            border: 1px solid var(--border-light);
        }

        .resource-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .resource-card img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
        }

        .resource-card-body {
            padding: 20px;
        }

        .resource-card-body h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .resource-card-body p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .resource-card-body .link-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }

        .resource-card-body .link-more:hover {
            color: var(--accent-hover);
            gap: 8px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            list-style: none;
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-light);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 20px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: color var(--transition);
            cursor: pointer;
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-secondary);
        }

        .faq-item.open .faq-question .faq-icon {
            background: var(--accent);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA BANNER ========== */
        .cta-banner {
            background: linear-gradient(135deg, #1A2B4C 0%, #243660 50%, #0F1A30 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-banner h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
            color: #fff;
        }

        .cta-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-banner .btn {
            position: relative;
            z-index: 1;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 17px;
            border-radius: var(--radius);
            font-weight: 700;
        }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--primary);
            color: #CCD5E4;
            padding: 48px 0 0;
            margin-top: var(--section-gap);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: -0.2px;
        }

        .footer-col p {
            font-size: 13px;
            line-height: 1.7;
            color: #9CA3AF;
            margin: 0;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: #CCD5E4;
            padding: 5px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 12px;
            color: #9CA3AF;
            gap: 10px;
        }

        .footer-bottom span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.2);
        }

        .footer-bottom a {
            color: #CCD5E4;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .nav-menu a {
                padding: 10px 10px;
                font-size: 13px;
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 992px) {
            .nav-menu {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-actions .city-selector {
                display: none;
            }
            .hero-beginner .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-beginner-visual {
                order: -1;
                max-width: 320px;
                margin: 0 auto;
            }
            .hero-beginner-content h1 {
                font-size: 28px;
            }
            .hero-beginner {
                padding: 40px 0 60px;
                min-height: auto;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .cta-banner {
                padding: 36px 24px;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
            .steps-list li {
                flex-direction: column;
                gap: 12px;
            }
            .step-number {
                width: 40px;
                height: 40px;
                font-size: 18px;
            }
        }

        @media (max-width: 768px) {
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .hero-beginner-content h1 {
                font-size: 24px;
            }
            .hero-beginner-content p {
                font-size: 15px;
            }
            .hero-beginner-actions {
                flex-direction: column;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .card {
                padding: 20px;
            }
            .card h3 {
                font-size: 16px;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px 0;
            }
            .cta-banner h2 {
                font-size: 20px;
            }
            .cta-banner p {
                font-size: 14px;
            }
            .mistake-card {
                flex-direction: column;
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-beginner {
                padding: 28px 0 44px;
            }
            .hero-beginner-content h1 {
                font-size: 21px;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .logo {
                font-size: 17px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
            .btn-lg {
                padding: 14px 24px;
                font-size: 15px;
            }
            .hero-beginner-visual {
                max-width: 240px;
            }
            .hero-beginner-visual .play-badge {
                width: 48px;
                height: 48px;
            }
            .hero-beginner-visual .play-badge::after {
                border-left-width: 14px;
                border-top-width: 8px;
                border-bottom-width: 8px;
                margin-left: 3px;
            }
        }