/* roulang page: index */
:root {
            --primary: #1D4A3E;
            --primary-dark: #163B33;
            --primary-deeper: #102D27;
            --accent: #E3A72F;
            --accent-soft: #F5E6C8;
            --highlight: #C9543B;
            --bg: #F6F3ED;
            --bg-light: #FAFAF7;
            --surface: #FFFFFF;
            --dark-bg: #16352E;
            --text: #1C2622;
            --text-soft: #45544E;
            --text-muted: #64736D;
            --border: #E7E2DA;
            --border-strong: #D6D1C8;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-full: 999px;
            --shadow-sm: 0 1px 2px rgba(15, 45, 40, 0.04);
            --shadow-md: 0 4px 12px rgba(15, 45, 40, 0.06);
            --shadow-lg: 0 8px 24px rgba(15, 45, 40, 0.09);
            --font-sans: 'Source Han Sans SC', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --font-mono: 'SF Mono', 'Roboto Mono', 'Consolas', 'Courier New', monospace;
            --container-max: 1200px;
            --nav-height: 68px;
            --section-pad: 80px;
            --section-pad-sm: 48px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            color: var(--text);
            background: var(--bg);
            line-height: 1.8;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            color: var(--primary);
            letter-spacing: 0.5px;
            flex-shrink: 0;
            transition: color var(--transition);
        }

        .logo:hover {
            color: var(--primary-dark);
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0;
        }

        .nav-tags {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: center;
            padding: 0 8px;
        }

        .nav-tags::-webkit-scrollbar {
            display: none;
        }

        .nav-tag {
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .nav-tag:hover {
            background: #F1EEE7;
            color: var(--text);
        }

        .nav-tag.active {
            background: var(--primary);
            color: #fff;
        }

        .nav-tag.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .header-cta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .btn-primary:active {
            transform: scale(0.97);
            background: var(--primary-deeper);
        }

        .btn-primary:focus-visible,
        .btn-outline:focus-visible,
        .nav-tag:focus-visible,
        .faq-question:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }

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

        .btn-outline:active {
            transform: scale(0.97);
        }

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

        .btn-accent:hover {
            background: #d99b25;
            border-color: #d99b25;
            box-shadow: var(--shadow-md);
        }

        .btn-sm {
            padding: 7px 14px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 13px 28px;
            font-size: 15px;
            border-radius: var(--radius-sm);
        }

        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--surface);
            flex-shrink: 0;
            transition: border-color var(--transition);
        }

        .mobile-menu-toggle:hover {
            border-color: var(--primary);
        }

        .mobile-menu-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-toggle.active span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 78vh;
            display: flex;
            align-items: center;
            padding: 72px 0 64px;
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(16, 45, 39, 0.92) 0%, rgba(29, 74, 62, 0.82) 45%, rgba(16, 53, 46, 0.88) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }

        .hero-copy {
            color: #fff;
        }

        .hero-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(227, 167, 47, 0.15);
            border: 1px solid rgba(227, 167, 47, 0.4);
            color: var(--accent);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
            animation: fadeInUp 0.6s ease both;
        }

        .hero-label .dot {
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        .hero h1 {
            font-size: clamp(28px, 4.5vw, 46px);
            line-height: 1.3;
            font-weight: 800;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
            animation: fadeInUp 0.7s ease both 0.1s;
        }

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

        .hero-subtitle {
            font-size: clamp(15px, 1.6vw, 18px);
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin-bottom: 28px;
            animation: fadeInUp 0.8s ease both 0.2s;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
            animation: fadeInUp 0.9s ease both 0.3s;
        }

        .hero-chip-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            animation: fadeInUp 1s ease both 0.4s;
        }

        .hero-chip {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-full);
            padding: 7px 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
            letter-spacing: 0.3px;
            backdrop-filter: blur(4px);
        }

        .hero-chip strong {
            color: var(--accent);
            font-weight: 700;
            font-family: var(--font-mono);
            margin-left: 4px;
        }

        .hero-panel {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 16px;
            padding: 26px 24px;
            backdrop-filter: blur(8px);
            animation: fadeInUp 0.8s ease both 0.25s;
        }

        .hero-panel-title {
            font-size: 15px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-panel-title .badge-live {
            background: var(--highlight);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: var(--radius-full);
            letter-spacing: 0.5px;
        }

        .hero-data-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-bottom: 14px;
        }

        .hero-data-item {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero-data-item .label {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.5px;
            margin-bottom: 4px;
        }

        .hero-data-item .value {
            font-size: 18px;
            font-weight: 700;
            font-family: var(--font-mono);
            color: #fff;
        }

        .hero-data-item .value .unit {
            font-size: 12px;
            font-weight: 500;
            color: var(--accent);
            margin-left: 3px;
        }

        .hero-data-item .trend {
            font-size: 11px;
            color: #4CAF50;
            font-weight: 600;
            margin-top: 2px;
        }

        .hero-panel-foot {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 10px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* ===== Section Common ===== */
        .section {
            padding: var(--section-pad) 0;
        }

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

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

        .section-header {
            margin-bottom: 36px;
        }

        .section-header h2 {
            font-size: clamp(22px, 3vw, 32px);
            font-weight: 700;
            line-height: 1.35;
            color: inherit;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }

        .section-header p {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 620px;
            line-height: 1.7;
        }

        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.65);
        }

        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 10px;
        }

        .section-dark .section-tag {
            color: var(--accent);
        }

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

        .metric-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: #d5d0c7;
        }

        .metric-card .metric-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }

        .metric-card .metric-value {
            font-size: 32px;
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        .metric-card .metric-value .unit {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            margin-left: 4px;
            letter-spacing: 0;
        }

        .metric-card .metric-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 10px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .metric-card .metric-meta .trend-up {
            color: #2e7d32;
            font-weight: 700;
        }

        .metric-card .metric-meta .trend-neutral {
            color: #E3A72F;
            font-weight: 700;
        }

        .metrics-source {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 16px;
            text-align: right;
            letter-spacing: 0.3px;
        }

        /* ===== Service Matrix (Non-uniform) ===== */
        .service-matrix {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 20px;
        }

        .service-feature-card {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 360px;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-feature-card::after {
            content: '';
            position: absolute;
            bottom: -40px;
            right: -30px;
            width: 180px;
            height: 180px;
            background: rgba(227, 167, 47, 0.12);
            border-radius: 50%;
            pointer-events: none;
        }

        .service-feature-card:hover {
            box-shadow: 0 12px 32px rgba(15, 45, 40, 0.18);
            transform: translateY(-2px);
        }

        .service-feature-card .chip-tag {
            background: rgba(227, 167, 47, 0.2);
            border: 1px solid rgba(227, 167, 47, 0.5);
            color: var(--accent);
            border-radius: var(--radius-full);
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.5px;
            display: inline-block;
            margin-bottom: 16px;
            align-self: flex-start;
        }

        .service-feature-card h3 {
            font-size: 22px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }

        .service-feature-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 420px;
        }

        .service-feature-card .service-stats {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }

        .service-feature-card .service-stat {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
        }

        .service-feature-card .service-stat strong {
            display: block;
            font-size: 20px;
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--accent);
        }

        .service-side-stack {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .service-side-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            align-items: flex-start;
            gap: 14px;
            flex: 1;
        }

        .service-side-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
            border-color: #d5d0c7;
        }

        .service-side-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: #F1EEE7;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .service-side-card h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }

        .service-side-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* ===== Comparison ===== */
        .comparison-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .comparison-card {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            background: var(--surface);
            border: 1px solid var(--border);
        }

        .comparison-card.winner {
            border: 2px solid var(--accent);
            box-shadow: 0 8px 28px rgba(227, 167, 47, 0.15);
            position: relative;
        }

        .comparison-card.winner::after {
            content: '推荐';
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent);
            color: var(--primary-deeper);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            letter-spacing: 0.5px;
        }

        .comparison-header {
            padding: 20px 24px;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--bg-light);
        }

        .comparison-header h3 {
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0.3px;
        }

        .comparison-header .tag {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            background: #F1EEE7;
            color: var(--text-soft);
        }

        .comparison-card.winner .comparison-header .tag {
            background: var(--accent-soft);
            color: #8a6a1f;
        }

        .comparison-body {
            padding: 20px 24px;
        }

        .comparison-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid #f0ede8;
            font-size: 14px;
        }

        .comparison-item:last-child {
            border-bottom: none;
        }

        .comparison-item .check {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            flex-shrink: 0;
            background: #F1EEE7;
            color: var(--text-muted);
        }

        .comparison-card.winner .comparison-item .check {
            background: var(--primary);
            color: #fff;
        }

        .comparison-item .item-label {
            flex: 1;
            color: var(--text);
            font-weight: 500;
        }

        .comparison-item .item-value {
            font-weight: 700;
            color: var(--text-soft);
            font-family: var(--font-mono);
        }

        .comparison-card.winner .comparison-item .item-value {
            color: var(--primary);
        }

        /* ===== News Section ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 0.6fr;
            gap: 28px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 18px 20px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: all var(--transition);
            cursor: pointer;
        }

        .news-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            border-color: #d5d0c7;
        }

        .news-item .news-index {
            font-size: 13px;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--accent);
            background: var(--accent-soft);
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .news-item .news-content {
            flex: 1;
        }

        .news-item .news-title {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 6px;
            letter-spacing: 0.3px;
            color: var(--text);
        }

        .news-item:hover .news-title {
            color: var(--primary);
        }

        .news-item .news-excerpt {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .news-item .news-meta {
            display: flex;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 6px;
            flex-wrap: wrap;
        }

        .news-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-side-card {
            background: var(--dark-bg);
            color: #fff;
            border-radius: var(--radius);
            padding: 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .news-side-card h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }

        .news-side-card p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.65;
            margin-bottom: 14px;
        }

        .news-side-card .btn {
            align-self: flex-start;
        }

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

        .review-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .review-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .review-card .review-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .review-card .review-author {
            font-size: 14px;
            font-weight: 700;
        }

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

        .review-card .review-stars {
            color: var(--accent);
            font-size: 13px;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }

        .review-card .review-text {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
        }

        /* ===== Partners / Tags ===== */
        .partners-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }

        .partner-tag {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 16px 14px;
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .partner-tag:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            border-color: #d5d0c7;
        }

        .partner-tag .partner-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
            letter-spacing: 0.3px;
        }

        .partner-tag .partner-desc {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ===== Brand Intro ===== */
        .brand-intro {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 36px;
            align-items: center;
        }

        .brand-intro .brand-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            min-height: 300px;
            position: relative;
        }

        .brand-intro .brand-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 300px;
        }

        .brand-intro .brand-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(29, 74, 62, 0.5), rgba(16, 53, 46, 0.7));
            pointer-events: none;
        }

        .brand-intro .brand-copy h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            color: var(--text);
        }

        .brand-intro .brand-copy p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            align-items: start;
        }

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

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 12px;
            text-align: left;
            padding: 16px 18px;
            background: none;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            letter-spacing: 0.3px;
            border: none;
            transition: all var(--transition);
            font-family: var(--font-sans);
        }

        .faq-question:hover {
            background: #F1EEE7;
        }

        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: #F1EEE7;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 700;
            flex-shrink: 0;
            transition: all var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            background: var(--bg-light);
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 14px 18px 18px 52px;
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.75;
        }

        /* ===== CTA Form Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 60%, var(--dark-bg) 100%);
            border-radius: 16px;
            padding: 40px 36px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
            color: #fff;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 260px;
            height: 260px;
            background: rgba(227, 167, 47, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            background: rgba(227, 167, 47, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-copy {
            position: relative;
            z-index: 2;
        }

        .cta-copy h2 {
            font-size: clamp(20px, 2.5vw, 28px);
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .cta-copy p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 18px;
            max-width: 420px;
        }

        .cta-value-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .cta-value-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
        }

        .cta-value-list li::before {
            content: '✓';
            width: 18px;
            height: 18px;
            background: var(--accent);
            color: var(--primary-deeper);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .cta-form-wrap {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 26px 24px;
            box-shadow: var(--shadow-md);
            position: relative;
            z-index: 2;
        }

        .cta-form-wrap h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--text);
            letter-spacing: 0.3px;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 700;
            color: var(--text-soft);
            margin-bottom: 5px;
            letter-spacing: 0.3px;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            font-size: 14px;
            background: var(--bg-light);
            color: var(--text);
            transition: all var(--transition);
            min-height: 44px;
            font-family: var(--font-sans);
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(29, 74, 62, 0.1);
            background: var(--surface);
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: #aaa;
            font-size: 13px;
        }

        .form-error {
            font-size: 12px;
            color: #C0392B;
            margin-top: 4px;
            display: none;
        }

        .form-error.visible {
            display: block;
        }

        .form-row-duo {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .form-submit {
            width: 100%;
            margin-top: 6px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 32px;
            margin-top: 0;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 12px;
            font-size: 20px;
        }

        .footer-brand .logo:hover {
            color: var(--accent);
        }

        .footer-brand .logo-mark {
            background: var(--accent);
            color: var(--primary-deeper);
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

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

        .footer-col ul a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
            transition: color var(--transition);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-panel {
                max-width: 100%;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix {
                grid-template-columns: 1fr;
            }
            .service-feature-card {
                min-height: auto;
            }
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .partners-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .cta-section {
                grid-template-columns: 1fr;
                padding: 30px 24px;
            }
            .brand-intro {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 56px;
                --section-pad-sm: 36px;
                --nav-height: 60px;
            }
            body {
                font-size: 15px;
                line-height: 1.75;
            }
            .nav-tags {
                display: none;
            }
            .nav-tags.mobile-open {
                display: flex;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--surface);
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding: 12px 16px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                z-index: 999;
                max-height: 60vh;
                overflow-y: auto;
            }
            .nav-tags.mobile-open .nav-tag {
                text-align: left;
                padding: 10px 14px;
                border-radius: var(--radius-sm);
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-cta .btn-outline {
                display: none;
            }
            .hero {
                padding: 48px 0 40px;
                min-height: auto;
            }
            .hero h1 {
                font-size: 26px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-data-row {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-card {
                padding: 16px 14px;
            }
            .metric-card .metric-value {
                font-size: 22px;
            }
            .service-side-card {
                flex-direction: column;
                gap: 10px;
            }
            .comparison-wrap {
                grid-template-columns: 1fr;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .brand-intro .brand-image {
                min-height: 200px;
            }
            .brand-intro .brand-image img {
                min-height: 200px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .form-row-duo {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .section-header h2 {
                font-size: 20px;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .partners-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero {
                background-position: center;
            }
            .hero-panel {
                padding: 18px 16px;
            }
            .hero-chip-row {
                gap: 6px;
            }
            .hero-chip {
                font-size: 11px;
                padding: 5px 10px;
            }
            .cta-section {
                padding: 22px 16px;
                border-radius: 12px;
            }
            .cta-form-wrap {
                padding: 18px 16px;
            }
            .btn-lg {
                padding: 11px 20px;
                font-size: 14px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1D4A3E;
            --primary-dark: #163B33;
            --primary-deeper: #102D27;
            --accent: #E3A72F;
            --accent-soft: #F5E6C8;
            --highlight: #C9543B;
            --bg: #F6F3ED;
            --bg-light: #FAFAF7;
            --surface: #FFFFFF;
            --dark-bg: #16352E;
            --text: #1C2622;
            --text-soft: #45544E;
            --text-muted: #64736D;
            --border: #E7E2DA;
            --border-strong: #D6D1C8;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-full: 999px;
            --shadow-sm: 0 1px 2px rgba(15, 45, 40, 0.04);
            --shadow-md: 0 4px 12px rgba(15, 45, 40, 0.06);
            --shadow-lg: 0 8px 24px rgba(15, 45, 40, 0.09);
            --font-sans: 'Source Han Sans SC', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --font-mono: 'SF Mono', 'Roboto Mono', 'Consolas', 'Courier New', monospace;
            --container-max: 1200px;
            --nav-height: 68px;
            --section-pad: 56px;
            --section-pad-sm: 36px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

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

        body {
            font-family: var(--font-sans);
            color: var(--text);
            background: var(--bg);
            line-height: 1.8;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

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

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            color: var(--primary);
            letter-spacing: 0.5px;
            flex-shrink: 0;
            transition: color var(--transition);
        }

        .logo:hover {
            color: var(--primary-dark);
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0;
        }

        .nav-tags {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: center;
            padding: 0 8px;
        }

        .nav-tags::-webkit-scrollbar {
            display: none;
        }

        .nav-tag {
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .nav-tag:hover {
            background: #F1EEE7;
            color: var(--text);
        }

        .nav-tag.active {
            background: var(--primary);
            color: #fff;
        }

        .nav-tag.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .header-cta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

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

        .btn-primary:active {
            transform: scale(0.97);
        }

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

        .btn-secondary:hover {
            background: rgba(29, 74, 62, 0.06);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
        }

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

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

        .btn-accent:hover {
            background: #d09a1e;
            border-color: #d09a1e;
            color: var(--primary-deeper);
            box-shadow: var(--shadow-md);
        }

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

        .btn-lg {
            padding: 14px 28px;
            font-size: 16px;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            padding: 18px 0 4px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-soft);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .separator {
            color: var(--border-strong);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Page Hero */
        .page-hero {
            padding: 32px 0 40px;
            background: var(--bg);
            border-bottom: 1px solid var(--border);
        }

        .page-hero-inner {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .page-hero-content {
            flex: 1;
            min-width: 280px;
        }

        .page-hero-content h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.35;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .page-hero-content .subtitle {
            font-size: 17px;
            color: var(--text-soft);
            line-height: 1.8;
            margin-bottom: 20px;
            max-width: 560px;
        }

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

        .page-hero-image {
            flex: 0 0 320px;
            max-width: 320px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .page-hero-image img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        .page-hero-image .image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 16px;
            background: linear-gradient(transparent, rgba(16, 45, 39, 0.85));
            color: #fff;
            font-size: 13px;
            font-weight: 500;
        }

        /* Metric Data Strip */
        .metric-strip {
            padding: 32px 0;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
        }

        .metric-strip-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .metric-strip-item {
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 18px 16px;
            text-align: center;
            transition: all var(--transition);
        }

        .metric-strip-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .metric-strip-item .metric-name {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
            font-weight: 500;
        }

        .metric-strip-item .metric-value {
            font-family: var(--font-mono);
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .metric-strip-item .metric-unit {
            font-size: 12px;
            color: var(--text-muted);
            margin-left: 2px;
        }

        .metric-strip-item .metric-change {
            display: inline-block;
            margin-top: 6px;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: var(--radius-full);
        }

        .metric-change.up {
            color: var(--primary);
            background: rgba(29, 74, 62, 0.1);
        }

        .metric-change.down {
            color: var(--highlight);
            background: rgba(201, 84, 59, 0.1);
        }

        .metric-change.flat {
            color: var(--text-muted);
            background: #F1EEE7;
        }

        /* Comparison Section */
        .comparison-section {
            background: var(--bg);
        }

        .section-header {
            margin-bottom: 30px;
        }

        .section-header h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .section-header p {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 680px;
        }

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

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

        .comparison-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--border-strong);
        }

        .comparison-card.featured {
            border: 2px solid var(--accent);
            background: linear-gradient(180deg, rgba(227, 167, 47, 0.05) 0%, var(--surface) 30%);
        }

        .comparison-card .card-badge {
            position: absolute;
            top: -10px;
            right: 20px;
            background: var(--accent);
            color: var(--primary-deeper);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: var(--radius-full);
            letter-spacing: 0.5px;
        }

        .comparison-card .card-icon {
            width: 48px;
            height: 48px;
            background: rgba(29, 74, 62, 0.08);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 14px;
            color: var(--primary);
        }

        .comparison-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .comparison-card .card-desc {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .comparison-card .data-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 0;
            border-top: 1px dashed var(--border);
            font-size: 13px;
        }

        .comparison-card .data-row .label {
            color: var(--text-muted);
        }

        .comparison-card .data-row .value {
            font-family: var(--font-mono);
            font-weight: 600;
            color: var(--text);
        }

        .comparison-card .data-row .value.hot {
            color: var(--highlight);
        }

        .comparison-card .data-row .value.cool {
            color: var(--primary);
        }

        /* Method Cards */
        .method-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .method-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition);
        }

        .method-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }

        .method-item .method-num {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
        }

        .method-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .method-item p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-section {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-light);
            transition: all var(--transition);
        }

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            gap: 12px;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: #F1EEE7;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            transition: transform 0.3s ease;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.75;
        }

        /* CTA */
        .cta-section {
            background: var(--dark-bg);
            background-image: linear-gradient(135deg, rgba(29, 74, 62, 0.95) 0%, rgba(16, 45, 39, 0.98) 100%);
            padding: 48px 0;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-content {
            flex: 1;
            min-width: 280px;
        }

        .cta-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.75;
            max-width: 520px;
            margin-bottom: 20px;
        }

        .cta-form {
            flex: 1;
            min-width: 300px;
            background: var(--surface);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow-lg);
        }

        .cta-form h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-soft);
            margin-bottom: 5px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            height: 44px;
            padding: 0 14px;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text);
            background: var(--bg-light);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .form-group textarea {
            height: 80px;
            padding: 10px 14px;
            resize: vertical;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(29, 74, 62, 0.12);
        }

        .form-group input.error {
            border-color: #C0392B;
            box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.12);
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .form-hint {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Footer */
        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.85);
            padding: 48px 0 28px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }

        .footer-brand .logo {
            color: #fff;
            font-size: 24px;
            margin-bottom: 12px;
        }

        .footer-brand .logo-mark {
            background: var(--accent);
            color: var(--primary-deeper);
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            align-items: center;
            justify-content: space-between;
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .metric-strip-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .comparison-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .comparison-grid .comparison-card:last-child {
                grid-column: span 2;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .page-hero-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .page-hero-image {
                flex: 0 0 auto;
                max-width: 100%;
                width: 100%;
            }
            .page-hero-image img {
                height: 200px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
                --section-pad: 40px;
                --section-pad-sm: 28px;
            }
            .header-inner {
                gap: 10px;
            }
            .nav-tags {
                justify-content: flex-start;
                padding: 0 4px;
            }
            .header-cta .btn-secondary {
                display: none;
            }
            .metric-strip-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .comparison-grid .comparison-card:last-child {
                grid-column: auto;
            }
            .method-list {
                grid-template-columns: 1fr;
            }
            .cta-inner {
                flex-direction: column;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .page-hero-content h1 {
                font-size: 26px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 576px) {
            .metric-strip-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-strip-item .metric-value {
                font-size: 20px;
            }
            .btn-lg {
                padding: 12px 20px;
                font-size: 14px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .cta-form {
                padding: 20px;
            }
            .header-cta .btn-primary {
                padding: 8px 14px;
                font-size: 13px;
            }
            .logo {
                font-size: 18px;
            }
            .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
        }

/* roulang page: category1 */
:root {
  --primary: #1D4A3E;
  --primary-dark: #163B33;
  --primary-deeper: #102D27;
  --accent: #E3A72F;
  --accent-soft: #F5E6C8;
  --highlight: #C9543B;
  --bg: #F6F3ED;
  --bg-light: #FAFAF7;
  --surface: #FFFFFF;
  --dark-bg: #16352E;
  --text: #1C2622;
  --text-soft: #45544E;
  --text-muted: #64736D;
  --border: #E7E2DA;
  --border-strong: #D6D1C8;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 2px rgba(15, 45, 40, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 45, 40, 0.06);
  --shadow-lg: 0 8px 24px rgba(15, 45, 40, 0.09);
  --font-sans: 'Source Han Sans SC', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Roboto Mono', 'Consolas', 'Courier New', monospace;
  --container-max: 1200px;
  --nav-height: 68px;
  --section-pad: 56px;
  --section-pad-sm: 36px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
  font-size: 16px;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

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

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 22px;
  color: var(--primary);
  letter-spacing: 0.5px;
  flex-shrink: 0;
  transition: color var(--transition);
}

.logo:hover {
  color: var(--primary-dark);
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0;
}

.nav-tags {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  flex: 1;
  justify-content: center;
  padding: 0 8px;
}

.nav-tags::-webkit-scrollbar {
  display: none;
}

.nav-tag {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-soft);
  white-space: nowrap;
  transition: all var(--transition);
  position: relative;
  cursor: pointer;
  letter-spacing: 0.3px;
}

.nav-tag:hover {
  background: #F1EEE7;
  color: var(--text);
}

.nav-tag.active {
  background: var(--primary);
  color: #fff;
}

.nav-tag.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.header-cta {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: scale(0.97);
  background: var(--primary-deeper);
}

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

.btn-secondary:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-1px);
}

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

.btn-accent:hover {
  background: #D9951F;
  border-color: #D9951F;
  transform: translateY(-1px);
  color: var(--primary-deeper);
}

.btn-sm {
  padding: 7px 14px;
  font-size: 13px;
}

.btn-lg {
  padding: 13px 28px;
  font-size: 16px;
}

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

/* ===== Breadcrumb ===== */
.breadcrumb-bar {
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  font-size: 13px;
  color: var(--text-muted);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-soft);
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb .sep {
  color: var(--border-strong);
}

.breadcrumb .current {
  color: var(--primary);
  font-weight: 500;
}

/* ===== Page Header ===== */
.page-header {
  padding: 36px 0 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.page-header-content h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 10px;
  line-height: 1.35;
  letter-spacing: 0.5px;
}

.page-header-content .subtitle {
  font-size: 15px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.7;
  max-width: 760px;
}

/* ===== Filter + List Layout ===== */
.filter-section {
  padding: 36px 0 56px;
}

.filter-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 32px;
  align-items: start;
}

.filter-sidebar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  position: sticky;
  top: calc(var(--nav-height) + 16px);
}

.filter-group {
  margin-bottom: 22px;
}

.filter-group:last-child {
  margin-bottom: 0;
}

.filter-group-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-soft);
  margin: 0 0 10px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.filter-chip {
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-soft);
  background: #F1EEE7;
  border: 1px solid #E2DDD3;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.filter-chip:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--text);
}

.filter-chip.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

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

.filter-divider {
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

.filter-reset-btn {
  font-size: 12px;
  color: var(--highlight);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  padding: 4px 0;
}

.filter-reset-btn:hover {
  color: #A63D28;
}

/* ===== Match Cards ===== */
.match-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.match-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  display: flex;
  align-items: center;
  gap: 18px;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.match-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--border-strong);
}

.match-card.live {
  border-left: 3px solid var(--highlight);
}

.match-card.live::after {
  content: 'LIVE';
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 11px;
  font-weight: 700;
  color: var(--highlight);
  letter-spacing: 1px;
  animation: pulse-live 1.5s ease-in-out infinite;
}

@keyframes pulse-live {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.match-thumb {
  width: 88px;
  height: 66px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.match-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.match-card:hover .match-thumb img {
  transform: scale(1.05);
}

.match-info {
  flex: 1;
  min-width: 0;
}

.match-top-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.match-league-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  background: var(--accent-soft);
  color: var(--primary);
}

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

.match-status.live-text {
  color: var(--highlight);
  font-weight: 600;
}

.match-status.upcoming {
  color: var(--accent);
  font-weight: 600;
}

.match-teams-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.match-team {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.match-score {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-mono);
  letter-spacing: 1px;
  flex-shrink: 0;
}

.match-score.vs {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0;
}

.match-metrics-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.match-metric {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--text-muted);
}

.match-metric .metric-val {
  font-weight: 700;
  color: var(--text-soft);
  font-family: var(--font-mono);
}

.match-time {
  font-size: 12px;
  color: var(--text-muted);
  flex-shrink: 0;
  text-align: right;
}

.match-detail-btn {
  flex-shrink: 0;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  border: 1px solid var(--border-strong);
  transition: all var(--transition);
  cursor: pointer;
}

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

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

.match-list-footer {
  display: flex;
  justify-content: center;
  padding-top: 10px;
}

.load-more-btn {
  padding: 10px 32px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  border: 1px solid var(--primary);
  transition: all var(--transition);
  cursor: pointer;
}

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

/* ===== Metrics Dashboard ===== */
.metrics-section {
  padding: var(--section-pad) 0;
  background: var(--bg-light);
}

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

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

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

.metric-value {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
  line-height: 1.2;
}

.metric-value .unit {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  margin-left: 4px;
  letter-spacing: 0;
}

.metric-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
}

.metric-trend {
  display: inline-block;
  margin-top: 8px;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: var(--radius-full);
}

.metric-trend.up {
  color: var(--primary);
  background: #E8F0ED;
}

.metric-trend.stable {
  color: var(--accent);
  background: var(--accent-soft);
}

/* ===== Deep Insight Section ===== */
.insight-section {
  padding: var(--section-pad) 0;
}

.insight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.insight-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.insight-image img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.insight-image:hover img {
  transform: scale(1.03);
}

.insight-content h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 14px;
  line-height: 1.4;
}

.insight-content p {
  font-size: 15px;
  color: var(--text-soft);
  margin: 0 0 16px;
  line-height: 1.8;
}

.insight-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}

.insight-list li {
  padding: 8px 0 8px 22px;
  position: relative;
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.6;
}

.insight-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 8px;
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: var(--section-pad) 0;
  background: var(--dark-bg);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(227, 167, 47, 0.08);
  pointer-events: none;
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -40px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(227, 167, 47, 0.06);
  pointer-events: none;
}

.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 14px;
  line-height: 1.4;
}

.cta-content p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
  margin: 0 0 20px;
  line-height: 1.8;
}

.cta-benefits {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}

.cta-benefits li {
  padding: 6px 0 6px 22px;
  position: relative;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
}

.cta-benefits li::before {
  content: '›';
  position: absolute;
  left: 0;
  top: 6px;
  color: var(--accent);
  font-weight: 700;
  font-size: 16px;
}

.cta-form-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-lg);
}

.cta-form-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 18px;
  text-align: center;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-soft);
  margin-bottom: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: var(--bg-light);
  transition: all var(--transition);
  box-sizing: border-box;
}

.form-group textarea {
  height: 80px;
  padding: 10px 14px;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(29, 74, 62, 0.1);
  background: #fff;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #AAA59C;
  font-size: 13px;
}

.form-row-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-submit-btn {
  width: 100%;
  height: 46px;
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.5px;
}

.form-submit-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.form-submit-btn:active {
  transform: scale(0.98);
}

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

.form-note {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 10px;
  line-height: 1.5;
}

/* ===== FAQ Section ===== */
.faq-section {
  padding: var(--section-pad) 0;
  background: var(--bg-light);
}

.faq-section-title {
  text-align: center;
  margin-bottom: 36px;
}

.faq-section-title h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 8px;
}

.faq-section-title p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.faq-item:hover {
  border-color: var(--border-strong);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
  background: transparent;
  border: none;
  letter-spacing: 0.3px;
}

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

.faq-question:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  border-radius: var(--radius);
}

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #F1EEE7;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
  transition: all var(--transition);
  font-weight: 400;
  line-height: 1;
}

.faq-item.active .faq-question {
  color: var(--primary);
}

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

.faq-answer {
  padding: 0 18px 16px;
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.8;
  display: none;
  background: var(--bg-light);
  border-top: 1px solid var(--border);
  margin: 0 0 0;
}

.faq-item.active .faq-answer {
  display: block;
  padding-top: 14px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--dark-bg);
  color: rgba(255, 255, 255, 0.7);
  padding: 48px 0 28px;
  font-size: 14px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 36px;
  margin-bottom: 36px;
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.7;
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
  max-width: 280px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 14px;
  letter-spacing: 0.5px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
  transition: all var(--transition);
}

.footer-col ul li a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 20px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.55);
  transition: all var(--transition);
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .filter-grid {
    grid-template-columns: 220px 1fr;
    gap: 20px;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .insight-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .insight-image img {
    height: 280px;
  }
  .cta-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-pad: 40px;
    --section-pad-sm: 28px;
    --nav-height: 56px;
  }
  .logo {
    font-size: 18px;
  }
  .logo-mark {
    width: 30px;
    height: 30px;
    font-size: 15px;
  }
  .nav-tag {
    padding: 5px 11px;
    font-size: 12px;
  }
  .filter-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .filter-sidebar {
    position: static;
    padding: 16px;
    overflow-x: auto;
  }
  .filter-group {
    margin-bottom: 12px;
  }
  .filter-chips {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .filter-chips::-webkit-scrollbar {
    display: none;
  }
  .match-card {
    padding: 16px;
    gap: 12px;
    flex-wrap: wrap;
  }
  .match-thumb {
    width: 64px;
    height: 48px;
  }
  .match-score {
    font-size: 18px;
  }
  .match-teams-row {
    gap: 8px;
  }
  .match-team {
    font-size: 14px;
  }
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .metric-card {
    padding: 18px;
  }
  .metric-value {
    font-size: 26px;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .page-header {
    padding: 24px 0 16px;
  }
  .page-header-content h1 {
    font-size: 22px;
  }
  .cta-form-card {
    padding: 20px;
  }
  .form-row-2col {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

@media (max-width: 520px) {
  body {
    font-size: 15px;
    line-height: 1.75;
  }
  .container {
    padding-left: 14px;
    padding-right: 14px;
  }
  .header-inner {
    gap: 8px;
    flex-wrap: wrap;
    height: auto;
    padding: 8px 0;
  }
  .site-header {
    height: auto;
    min-height: var(--nav-height);
    padding: 4px 0;
  }
  .nav-tags {
    order: 3;
    flex-basis: 100%;
    justify-content: flex-start;
    padding: 4px 0;
  }
  .header-cta {
    display: none;
  }
  .btn-lg {
    padding: 11px 22px;
    font-size: 14px;
  }
  .match-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .match-time {
    text-align: left;
  }
  .match-thumb {
    width: 100%;
    height: 120px;
  }
  .match-detail-btn {
    width: 100%;
    justify-content: center;
  }
  .insight-content h2 {
    font-size: 18px;
  }
  .faq-question {
    font-size: 14px;
    padding: 13px 14px;
  }
  .faq-answer {
    font-size: 13px;
    padding: 0 14px 14px;
  }
}

/* roulang page: category4 */
:root {
            --primary: #1D4A3E;
            --primary-dark: #163B33;
            --primary-deeper: #102D27;
            --accent: #E3A72F;
            --accent-soft: #F5E6C8;
            --highlight: #C9543B;
            --bg: #F6F3ED;
            --bg-light: #FAFAF7;
            --surface: #FFFFFF;
            --dark-bg: #16352E;
            --text: #1C2622;
            --text-soft: #45544E;
            --text-muted: #64736D;
            --border: #E7E2DA;
            --border-strong: #D6D1C8;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-full: 999px;
            --shadow-sm: 0 1px 2px rgba(15, 45, 40, 0.04);
            --shadow-md: 0 4px 12px rgba(15, 45, 40, 0.06);
            --shadow-lg: 0 8px 24px rgba(15, 45, 40, 0.09);
            --font-sans: 'Source Han Sans SC', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --font-mono: 'SF Mono', 'Roboto Mono', 'Consolas', 'Courier New', monospace;
            --container-max: 1200px;
            --nav-height: 68px;
            --section-pad: 56px;
            --section-pad-sm: 36px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            color: var(--text);
            background: var(--bg);
            line-height: 1.8;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            flex-wrap: wrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            color: var(--primary);
            letter-spacing: 0.5px;
            flex-shrink: 0;
            transition: color var(--transition);
        }

        .logo:hover {
            color: var(--primary-dark);
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0;
        }

        .nav-tags {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: center;
            padding: 0 8px;
        }

        .nav-tags::-webkit-scrollbar {
            display: none;
        }

        .nav-tag {
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .nav-tag:hover {
            background: #F1EEE7;
            color: var(--text);
        }

        .nav-tag.active {
            background: var(--primary);
            color: #fff;
        }

        .nav-tag.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .header-cta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

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

        .btn-primary:active {
            transform: scale(0.97);
        }

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

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

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

        .btn-accent {
            background: var(--accent);
            color: var(--primary-deeper);
        }

        .btn-accent:hover {
            background: #d49a27;
            color: var(--primary-deeper);
            box-shadow: var(--shadow-md);
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 13px 26px;
            font-size: 15px;
        }

        .breadcrumb {
            padding: 16px 0 0;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .breadcrumb a {
            color: var(--text-soft);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .sep {
            color: var(--border-strong);
        }

        .page-hero {
            padding: 40px 0 48px;
            background: var(--bg-light);
            border-bottom: 1px solid var(--border);
        }

        .page-hero-inner {
            max-width: 800px;
        }

        .hero-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            background: var(--accent-soft);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .page-hero h1 {
            font-size: 32px;
            line-height: 1.35;
            color: var(--text);
            margin-bottom: 14px;
            font-weight: 700;
        }

        .page-hero p {
            font-size: 16px;
            color: var(--text-soft);
            line-height: 1.8;
            max-width: 650px;
        }

        .main-content {
            padding: 48px 0 64px;
        }

        .resource-layout {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 32px;
            align-items: start;
        }

        .resource-filters {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 28px;
        }

        .filter-chip {
            padding: 6px 16px;
            border-radius: var(--radius-full);
            background: var(--surface);
            border: 1px solid var(--border);
            color: var(--text-soft);
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--bg-light);
        }

        .filter-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

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

        .resource-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .resource-card {
            display: flex;
            gap: 20px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .resource-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--border-strong);
        }

        .resource-card-img {
            width: 160px;
            height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

        .resource-card-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .resource-card-top {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }

        .resource-tag {
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-size: 11px;
            font-weight: 600;
            background: #F1EEE7;
            color: var(--text-soft);
            letter-spacing: 0.3px;
        }

        .resource-tag.hot {
            background: #F9EEE8;
            color: var(--highlight);
        }

        .resource-tag.new {
            background: #E8F0ED;
            color: var(--primary);
        }

        .resource-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .resource-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }

        .resource-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

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

        .resource-meta .author {
            color: var(--text-soft);
            font-weight: 500;
        }

        .resource-actions {
            display: flex;
            gap: 8px;
            margin-top: 12px;
        }

        .sidebar {
            position: sticky;
            top: calc(var(--nav-height) + 20px);
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .subscribe-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }

        .subscribe-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .subscribe-card .sub-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .subscribe-form .form-group {
            margin-bottom: 14px;
        }

        .subscribe-form label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-soft);
            margin-bottom: 5px;
        }

        .subscribe-form input,
        .subscribe-form select {
            width: 100%;
            height: 42px;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            padding: 0 12px;
            font-size: 14px;
            color: var(--text);
            background: var(--bg-light);
            transition: all var(--transition);
        }

        .subscribe-form input:focus,
        .subscribe-form select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(29, 74, 62, 0.1);
            background: #fff;
        }

        .subscribe-form .btn {
            width: 100%;
            height: 44px;
        }

        .sidebar-tip {
            background: var(--bg-light);
            border: 1px dashed var(--border-strong);
            border-radius: var(--radius);
            padding: 16px 20px;
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .sidebar-tip strong {
            color: var(--text-soft);
        }

        .highlight-block {
            background: var(--dark-bg);
            border-radius: var(--radius);
            padding: 32px 28px;
            color: #E8EFEC;
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 0;
        }

        .highlight-block h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
        }

        .highlight-block p {
            font-size: 13px;
            color: #B8C5C0;
            line-height: 1.7;
        }

        .highlight-block .btn-outline {
            border-color: var(--accent);
            color: var(--accent);
            align-self: flex-start;
        }

        .highlight-block .btn-outline:hover {
            background: var(--accent);
            color: var(--primary-deeper);
        }

        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin: 32px 0;
        }

        .data-strip-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .data-strip-item .num {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            display: block;
        }

        .data-strip-item .lbl {
            font-size: 12px;
            color: var(--text-muted);
            display: block;
            margin-top: 4px;
        }

        .faq-section {
            padding: 48px 0 56px;
            background: var(--bg-light);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .faq-section h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 24px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

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

        .faq-question {
            width: 100%;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            transition: all var(--transition);
            background: transparent;
            text-align: left;
        }

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

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #F1EEE7;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-soft);
            transition: all var(--transition);
        }

        .faq-item.active .faq-icon {
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            display: none;
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            background: var(--bg-light);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        .cta-section {
            padding: 56px 0;
        }

        .cta-card {
            background: var(--primary);
            border-radius: var(--radius);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .cta-card .cta-text h2 {
            color: #fff;
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .cta-card .cta-text p {
            color: #C9D6D1;
            font-size: 14px;
            line-height: 1.7;
            max-width: 500px;
        }

        .cta-card .btn-accent {
            font-size: 15px;
            padding: 13px 28px;
        }

        .site-footer {
            background: var(--dark-bg);
            color: #C9D6D1;
            padding: 48px 0 24px;
            font-size: 13px;
            line-height: 1.7;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand .logo:hover {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 13px;
            color: #A8B8B2;
            line-height: 1.7;
            max-width: 260px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

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

        .footer-col ul a {
            color: #A8B8B2;
            font-size: 13px;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: #8DA19A;
        }

        .footer-bottom-links {
            display: flex;
            gap: 14px;
        }

        .footer-bottom-links a {
            color: #A8B8B2;
        }

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

        @media (max-width: 1024px) {
            .resource-layout {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: -1;
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 40px;
                --section-pad-sm: 28px;
                --nav-height: 56px;
            }
            .header-inner {
                flex-wrap: nowrap;
            }
            .nav-tags {
                justify-content: flex-start;
                order: 3;
                flex-basis: 100%;
                padding: 6px 0;
                border-top: 1px solid var(--border);
            }
            .header-cta .btn-outline {
                display: none;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .page-hero {
                padding: 28px 0 32px;
            }
            .main-content {
                padding: 32px 0 48px;
            }
            .resource-card {
                flex-direction: column;
                padding: 16px;
            }
            .resource-card-img {
                width: 100%;
                height: 180px;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .data-strip-item {
                padding: 12px 14px;
            }
            .data-strip-item .num {
                font-size: 20px;
            }
            .cta-card {
                padding: 28px 22px;
                flex-direction: column;
                text-align: center;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            body {
                font-size: 15px;
                line-height: 1.75;
            }
            .page-hero h1 {
                font-size: 22px;
            }
            .page-hero p {
                font-size: 14px;
            }
            .resource-card h3 {
                font-size: 15px;
            }
            .resource-card p {
                font-size: 13px;
            }
            .data-strip {
                grid-template-columns: 1fr;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 13px;
                padding: 0 16px 14px;
            }
            .cta-card .cta-text h2 {
                font-size: 20px;
            }
        }

/* roulang page: category3 */
:root {
      --primary: #1D4A3E;
      --primary-dark: #163B33;
      --primary-deeper: #102D27;
      --accent: #E3A72F;
      --accent-soft: #F5E6C8;
      --highlight: #C9543B;
      --bg: #F6F3ED;
      --bg-light: #FAFAF7;
      --surface: #FFFFFF;
      --dark-bg: #16352E;
      --text: #1C2622;
      --text-soft: #45544E;
      --text-muted: #64736D;
      --border: #E7E2DA;
      --border-strong: #D6D1C8;
      --radius: 12px;
      --radius-sm: 8px;
      --radius-full: 999px;
      --shadow-sm: 0 1px 2px rgba(15, 45, 40, 0.04);
      --shadow-md: 0 4px 12px rgba(15, 45, 40, 0.06);
      --shadow-lg: 0 8px 24px rgba(15, 45, 40, 0.09);
      --font-sans: 'Source Han Sans SC', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      --font-mono: 'SF Mono', 'Roboto Mono', 'Consolas', 'Courier New', monospace;
      --container-max: 1200px;
      --nav-height: 68px;
      --section-pad: 80px;
      --section-pad-sm: 48px;
      --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }
    @media (max-width: 768px) {
      :root {
        --section-pad: 56px;
        --section-pad-sm: 36px;
        --nav-height: 60px;
      }
    }
    html {
      scroll-behavior: smooth;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      font-size: 16px;
    }
    body {
      font-family: var(--font-sans);
      color: var(--text);
      background: var(--bg);
      line-height: 1.8;
      font-size: 16px;
      overflow-x: hidden;
      margin: 0;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition);
    }
    a:hover {
      color: var(--accent);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button, input, select, textarea {
      font-family: inherit;
      font-size: inherit;
      line-height: inherit;
    }
    button {
      cursor: pointer;
      border: none;
      background: none;
    }
    *, *::before, *::after {
      box-sizing: border-box;
    }
    .container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    /* ===== Header ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: var(--surface);
      border-bottom: 1px solid var(--border);
      height: var(--nav-height);
      display: flex;
      align-items: center;
      transition: box-shadow var(--transition);
    }
    .site-header.scrolled {
      box-shadow: var(--shadow-md);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      width: 100%;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      font-size: 22px;
      color: var(--primary);
      letter-spacing: 0.5px;
      flex-shrink: 0;
      transition: color var(--transition);
    }
    .logo:hover {
      color: var(--primary-dark);
    }
    .logo-mark {
      width: 36px;
      height: 36px;
      background: var(--primary);
      color: #fff;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 800;
      letter-spacing: 0;
    }
    .nav-tags {
      display: flex;
      align-items: center;
      gap: 4px;
      overflow-x: auto;
      scrollbar-width: none;
      -ms-overflow-style: none;
      flex: 1;
      justify-content: center;
      padding: 0 8px;
    }
    .nav-tags::-webkit-scrollbar {
      display: none;
    }
    .nav-tag {
      padding: 6px 14px;
      border-radius: var(--radius-full);
      font-size: 14px;
      font-weight: 500;
      color: var(--text-soft);
      white-space: nowrap;
      transition: all var(--transition);
      position: relative;
      cursor: pointer;
      letter-spacing: 0.3px;
    }
    .nav-tag:hover {
      background: #F1EEE7;
      color: var(--text);
    }
    .nav-tag.active {
      background: var(--primary);
      color: #fff;
    }
    .nav-tag.active::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 50%;
      transform: translateX(-50%);
      width: 18px;
      height: 2px;
      background: var(--accent);
      border-radius: 2px;
    }
    .header-cta {
      flex-shrink: 0;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 10px 20px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
      letter-spacing: 0.3px;
      transition: all var(--transition);
      cursor: pointer;
      white-space: nowrap;
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
    }
    .btn-primary:hover {
      background: var(--primary-dark);
      color: #fff;
      transform: translateY(-1px);
      box-shadow: var(--shadow-md);
    }
    .btn-primary:active {
      transform: translateY(0) scale(0.98);
      background: var(--primary-deeper);
    }
    .btn-secondary {
      background: transparent;
      color: var(--primary);
      border: 1.5px solid var(--primary);
    }
    .btn-secondary:hover {
      background: var(--primary);
      color: #fff;
      transform: translateY(-1px);
      box-shadow: var(--shadow-md);
    }
    .btn:focus-visible, .nav-tag:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }
    /* ===== Breadcrumb ===== */
    .breadcrumb-section {
      background: var(--bg-light);
      border-bottom: 1px solid var(--border);
      padding: 14px 0;
    }
    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--text-muted);
    }
    .breadcrumb a:hover {
      color: var(--primary);
    }
    .breadcrumb .separator {
      color: var(--border-strong);
    }
    .breadcrumb .current {
      color: var(--primary);
      font-weight: 600;
    }
    /* ===== Page Hero ===== */
    .page-hero {
      background: linear-gradient(135deg, rgba(22,59,51,0.92) 0%, rgba(22,59,51,0.78) 60%, rgba(22,59,51,0.65) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color: #fff;
      padding: 64px 0 56px;
      position: relative;
    }
    .page-hero .container {
      position: relative;
      z-index: 2;
    }
    .page-hero h1 {
      font-size: 36px;
      line-height: 1.35;
      font-weight: 800;
      margin: 0 0 14px;
      color: #fff;
      letter-spacing: 1px;
    }
    .page-hero h1 .highlight-accent {
      color: var(--accent);
    }
    .page-hero .hero-sub {
      font-size: 17px;
      color: rgba(255,255,255,0.85);
      max-width: 680px;
      margin: 0;
      line-height: 1.8;
    }
    /* ===== Coupon Wall ===== */
    .coupon-section {
      padding: 40px 0 72px;
      background: var(--bg);
    }
    .coupon-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 24px;
      align-items: stretch;
    }
    .coupon-main {
      background: var(--surface);
      border-radius: var(--radius);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-md);
      padding: 32px 36px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      overflow: hidden;
      transition: all var(--transition);
    }
    .coupon-main:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-2px);
    }
    .coupon-main::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--accent), var(--highlight));
    }
    .coupon-main .coupon-tag {
      display: inline-block;
      background: var(--accent-soft);
      color: var(--primary);
      font-size: 13px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      margin-bottom: 16px;
    }
    .coupon-main h2 {
      font-size: 26px;
      color: var(--primary);
      margin: 0 0 12px;
      line-height: 1.4;
    }
    .coupon-main .coupon-desc {
      font-size: 15px;
      color: var(--text-soft);
      margin: 0 0 20px;
      line-height: 1.75;
    }
    .coupon-main .coupon-value {
      font-size: 40px;
      font-weight: 800;
      color: var(--highlight);
      font-family: var(--font-mono);
      margin-bottom: 8px;
      letter-spacing: -1px;
    }
    .coupon-main .coupon-meta {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .coupon-main .btn {
      align-self: flex-start;
      font-size: 15px;
      padding: 12px 28px;
    }
    .coupon-side {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .coupon-small {
      background: var(--surface);
      border-radius: var(--radius);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      padding: 20px 24px;
      transition: all var(--transition);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }
    .coupon-small:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--accent);
    }
    .coupon-small .cs-info {
      flex: 1;
    }
    .coupon-small .cs-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text);
      margin: 0 0 4px;
    }
    .coupon-small .cs-desc {
      font-size: 13px;
      color: var(--text-muted);
      margin: 0;
    }
    .coupon-small .cs-btn {
      font-size: 13px;
      padding: 6px 14px;
      border-radius: var(--radius-full);
      border: 1px solid var(--primary);
      color: var(--primary);
      background: transparent;
      white-space: nowrap;
      transition: all var(--transition);
    }
    .coupon-small .cs-btn:hover {
      background: var(--primary);
      color: #fff;
    }
    /* ===== Section Common ===== */
    .section {
      padding: var(--section-pad) 0;
    }
    .section-alt {
      background: var(--bg-light);
    }
    .section-header {
      margin-bottom: 36px;
    }
    .section-header h2 {
      font-size: 28px;
      font-weight: 800;
      color: var(--text);
      margin: 0 0 10px;
      line-height: 1.35;
    }
    .section-header p {
      font-size: 15px;
      color: var(--text-muted);
      margin: 0;
      max-width: 720px;
    }
    .section-label {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      background: var(--accent-soft);
      padding: 4px 12px;
      border-radius: var(--radius-full);
      margin-bottom: 10px;
      letter-spacing: 0.5px;
    }
    /* ===== Metric Board ===== */
    .metric-board {
      background: var(--surface);
      border-radius: var(--radius);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }
    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 0;
    }
    .metric-item {
      padding: 28px 24px;
      border-right: 1px solid var(--border);
      text-align: center;
      transition: all var(--transition);
    }
    .metric-item:last-child {
      border-right: none;
    }
    .metric-item:hover {
      background: var(--bg-light);
    }
    .metric-item .metric-value {
      font-size: 34px;
      font-weight: 800;
      font-family: var(--font-mono);
      color: var(--primary);
      margin-bottom: 6px;
      letter-spacing: -0.5px;
    }
    .metric-item .metric-unit {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 500;
    }
    .metric-item .metric-label {
      font-size: 14px;
      color: var(--text-soft);
      font-weight: 600;
      margin-top: 8px;
    }
    .metric-item .metric-trend {
      font-size: 13px;
      color: var(--highlight);
      font-weight: 600;
      margin-top: 4px;
    }
    .metric-item .metric-trend.up {
      color: var(--primary);
    }
    .metric-source {
      padding: 14px 24px;
      font-size: 13px;
      color: var(--text-muted);
      border-top: 1px solid var(--border);
      text-align: center;
      background: var(--bg-light);
    }
    /* ===== Asymmetric Service Cards ===== */
    .service-asym-grid {
      display: grid;
      grid-template-columns: 7fr 5fr;
      gap: 24px;
      margin-bottom: 24px;
    }
    .service-card {
      background: var(--surface);
      border-radius: var(--radius);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      padding: 28px 32px;
      transition: all var(--transition);
      display: flex;
      flex-direction: column;
    }
    .service-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-2px);
    }
    .service-card .card-top {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
      flex-wrap: wrap;
    }
    .service-card .card-top .chip {
      font-size: 12px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      background: var(--bg);
      color: var(--text-soft);
      border: 1px solid var(--border);
      letter-spacing: 0.3px;
    }
    .service-card .card-top .chip.highlight {
      background: var(--accent-soft);
      color: var(--primary);
      border-color: var(--accent);
    }
    .service-card h3 {
      font-size: 20px;
      font-weight: 800;
      color: var(--text);
      margin: 0 0 12px;
      line-height: 1.4;
    }
    .service-card .card-desc {
      font-size: 14px;
      color: var(--text-soft);
      margin: 0 0 16px;
      line-height: 1.7;
    }
    .service-card .card-list {
      list-style: none;
      padding: 0;
      margin: 0 0 20px;
    }
    .service-card .card-list li {
      font-size: 14px;
      color: var(--text-soft);
      padding: 6px 0;
      border-bottom: 1px dashed var(--border);
      display: flex;
      align-items: flex-start;
      gap: 8px;
    }
    .service-card .card-list li:last-child {
      border-bottom: none;
    }
    .service-card .card-list li::before {
      content: '•';
      color: var(--accent);
      font-weight: 700;
      font-size: 16px;
      line-height: 1.6;
      flex-shrink: 0;
    }
    .service-card .btn {
      margin-top: auto;
      align-self: flex-start;
    }
    .service-card.primary-card {
      border: 1.5px solid var(--primary);
      background: linear-gradient(180deg, var(--surface) 0%, #F6FAF8 100%);
    }
    .service-card.primary-card h3 {
      color: var(--primary);
    }
    .service-card-row2 {
      display: grid;
      grid-template-columns: 5fr 7fr;
      gap: 24px;
    }
    /* ===== Report Content Module ===== */
    .report-content-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: center;
    }
    .report-content-img {
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .report-content-img img {
      width: 100%;
      height: auto;
      object-fit: cover;
    }
    .report-content-text h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--text);
      margin: 0 0 16px;
      line-height: 1.4;
    }
    .report-content-text p {
      font-size: 15px;
      color: var(--text-soft);
      margin: 0 0 16px;
    }
    .report-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 16px;
    }
    .report-tags .rtag {
      font-size: 13px;
      font-weight: 600;
      padding: 6px 16px;
      border-radius: var(--radius-full);
      background: var(--bg);
      color: var(--text-soft);
      border: 1px solid var(--border);
    }
    /* ===== Process Steps ===== */
    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .process-step {
      background: var(--surface);
      border-radius: var(--radius);
      border: 1px solid var(--border);
      padding: 28px 24px;
      text-align: center;
      transition: all var(--transition);
    }
    .process-step:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }
    .process-step .step-num {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      font-size: 20px;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 14px;
      font-family: var(--font-mono);
    }
    .process-step h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text);
      margin: 0 0 8px;
    }
    .process-step p {
      font-size: 13px;
      color: var(--text-muted);
      margin: 0;
    }
    /* ===== FAQ ===== */
    .faq-grid {
      display: grid;
      gap: 12px;
      max-width: 820px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--surface);
      border-radius: var(--radius-sm);
      border: 1px solid var(--border);
      overflow: hidden;
      transition: border-color var(--transition);
    }
    .faq-item:focus-within {
      border-color: var(--primary);
      outline: 2px solid var(--accent-soft);
    }
    .faq-item.open {
      border-color: var(--primary);
    }
    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 600;
      color: var(--text);
      text-align: left;
      background: var(--surface);
      transition: background var(--transition);
      cursor: pointer;
    }
    .faq-question:hover {
      background: var(--bg-light);
    }
    .faq-question .faq-icon {
      font-size: 22px;
      color: var(--primary);
      transition: transform var(--transition);
      flex-shrink: 0;
      width: 28px;
      height: 28px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .faq-item.open .faq-question .faq-icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height var(--transition), padding var(--transition);
      padding: 0 24px;
    }
    .faq-item.open .faq-answer {
      max-height: 300px;
      padding: 0 24px 20px;
    }
    .faq-answer p {
      font-size: 14px;
      color: var(--text-soft);
      margin: 0;
      line-height: 1.75;
    }
    /* ===== Form CTA ===== */
    .cta-section {
      background: linear-gradient(135deg, var(--primary-deeper) 0%, var(--primary) 100%);
      padding: var(--section-pad) 0;
      color: #fff;
    }
    .cta-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      align-items: center;
    }
    .cta-info h2 {
      font-size: 28px;
      font-weight: 800;
      color: #fff;
      margin: 0 0 16px;
      line-height: 1.4;
    }
    .cta-info p {
      font-size: 15px;
      color: rgba(255,255,255,0.8);
      margin: 0 0 20px;
    }
    .cta-value-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .cta-value-list li {
      font-size: 14px;
      color: rgba(255,255,255,0.9);
      padding: 6px 0;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .cta-value-list li::before {
      content: '✓';
      color: var(--accent);
      font-weight: 700;
      font-size: 16px;
    }
    .cta-form-card {
      background: var(--surface);
      border-radius: var(--radius);
      padding: 32px 36px;
      box-shadow: var(--shadow-lg);
    }
    .cta-form-card h3 {
      font-size: 20px;
      font-weight: 800;
      color: var(--text);
      margin: 0 0 20px;
    }
    .form-row {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 14px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 6px;
    }
    .form-input {
      width: 100%;
      height: 44px;
      border-radius: var(--radius-sm);
      border: 1.5px solid var(--border-strong);
      padding: 0 14px;
      font-size: 14px;
      color: var(--text);
      background: var(--bg-light);
      transition: border-color var(--transition), box-shadow var(--transition);
      box-sizing: border-box;
    }
    .form-input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(29,74,62,0.12);
      outline: none;
      background: var(--surface);
    }
    .form-input.error {
      border-color: #C0392B;
    }
    .error-msg {
      font-size: 12px;
      color: #C0392B;
      margin-top: 4px;
      display: none;
    }
    .form-row.has-error .error-msg {
      display: block;
    }
    select.form-input {
      appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364736D' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 14px center;
      padding-right: 40px;
    }
    .form-submit {
      width: 100%;
      height: 48px;
      border-radius: var(--radius-sm);
      background: var(--primary);
      color: #fff;
      font-size: 16px;
      font-weight: 700;
      letter-spacing: 1px;
      transition: all var(--transition);
      cursor: pointer;
    }
    .form-submit:hover {
      background: var(--primary-dark);
      box-shadow: var(--shadow-md);
    }
    .form-submit:active {
      transform: scale(0.98);
    }
    .form-note {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 12px;
      text-align: center;
    }
    /* ===== Footer ===== */
    .site-footer {
      background: var(--dark-bg);
      color: rgba(255,255,255,0.8);
      padding: 56px 0 0;
    }
    .footer-inner {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 40px;
    }
    .footer-brand .logo {
      color: #fff;
      margin-bottom: 14px;
    }
    .footer-brand .logo-mark {
      background: var(--accent);
      color: var(--primary);
    }
    .footer-brand p {
      font-size: 13px;
      color: rgba(255,255,255,0.65);
      line-height: 1.75;
      margin: 0;
    }
    .footer-col h4 {
      font-size: 15px;
      font-weight: 700;
      color: #fff;
      margin: 0 0 14px;
    }
    .footer-col ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-col ul li {
      margin-bottom: 8px;
    }
    .footer-col ul li a {
      font-size: 13px;
      color: rgba(255,255,255,0.65);
      transition: color var(--transition);
      display: inline-block;
    }
    .footer-col ul li a:hover {
      color: var(--accent);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.1);
      padding: 20px 0;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      font-size: 12px;
      color: rgba(255,255,255,0.5);
    }
    .footer-bottom-links {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }
    .footer-bottom-links a {
      font-size: 12px;
      color: rgba(255,255,255,0.5);
      transition: color var(--transition);
    }
    .footer-bottom-links a:hover {
      color: var(--accent);
    }
    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .metric-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0;
      }
      .metric-item {
        border-right: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
      }
      .metric-item:nth-child(2n) {
        border-right: none;
      }
      .metric-item:nth-child(n+3) {
        border-bottom: none;
      }
      .service-asym-grid, .service-card-row2 {
        grid-template-columns: 1fr;
      }
      .cta-wrapper {
        grid-template-columns: 1fr;
      }
      .process-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .coupon-grid {
        grid-template-columns: 1fr;
      }
      .report-content-grid {
        grid-template-columns: 1fr;
      }
      .footer-inner {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .page-hero h1 {
        font-size: 26px;
      }
      .page-hero {
        padding: 44px 0 36px;
      }
      .header-inner {
        gap: 8px;
      }
      .nav-tag {
        font-size: 13px;
        padding: 5px 10px;
      }
      .header-cta .btn {
        padding: 8px 14px;
        font-size: 13px;
      }
      .logo {
        font-size: 18px;
      }
      .logo-mark {
        width: 30px;
        height: 30px;
        font-size: 15px;
      }
      .metric-item .metric-value {
        font-size: 26px;
      }
      .coupon-main h2 {
        font-size: 20px;
      }
      .coupon-main .coupon-value {
        font-size: 30px;
      }
      .coupon-main {
        padding: 24px;
      }
      .service-card {
        padding: 20px;
      }
      .section-header h2 {
        font-size: 22px;
      }
      .cta-form-card {
        padding: 24px;
      }
      .footer-inner {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }
    @media (max-width: 520px) {
      .metric-grid {
        grid-template-columns: 1fr;
      }
      .metric-item {
        border-right: none;
        border-bottom: 1px solid var(--border);
      }
      .metric-item:last-child {
        border-bottom: none;
      }
      .process-grid {
        grid-template-columns: 1fr;
      }
      .coupon-small {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
      .coupon-small .cs-btn {
        align-self: flex-end;
      }
      .page-hero h1 {
        font-size: 22px;
      }
      .page-hero .hero-sub {
        font-size: 15px;
      }
    }
    /* Focus visible for all clickable */
    .btn:focus-visible,
    .nav-tag:focus-visible,
    .faq-question:focus-visible,
    .cs-btn:focus-visible,
    a:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }
    /* Skip link */
    .skip-link {
      position: absolute;
      top: -100px;
      left: 16px;
      z-index: 2000;
      background: var(--primary);
      color: #fff;
      padding: 10px 20px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
      transition: top var(--transition);
    }
    .skip-link:focus {
      top: 16px;
    }

/* roulang page: category5 */
:root {
            --primary: #1D4A3E;
            --primary-dark: #163B33;
            --primary-deeper: #102D27;
            --accent: #E3A72F;
            --accent-soft: #F5E6C8;
            --highlight: #C9543B;
            --bg: #F6F3ED;
            --bg-light: #FAFAF7;
            --surface: #FFFFFF;
            --dark-bg: #16352E;
            --text: #1C2622;
            --text-soft: #45544E;
            --text-muted: #64736D;
            --border: #E7E2DA;
            --border-strong: #D6D1C8;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-full: 999px;
            --shadow-sm: 0 1px 2px rgba(15, 45, 40, 0.04);
            --shadow-md: 0 4px 12px rgba(15, 45, 40, 0.06);
            --shadow-lg: 0 8px 24px rgba(15, 45, 40, 0.09);
            --font-sans: 'Source Han Sans SC', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --font-mono: 'SF Mono', 'Roboto Mono', 'Consolas', 'Courier New', monospace;
            --container-max: 1200px;
            --nav-height: 68px;
            --section-pad: 56px;
            --section-pad-sm: 36px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            color: var(--text);
            background: var(--bg);
            line-height: 1.8;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul, ol { list-style: none; }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled { box-shadow: var(--shadow-md); }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            color: var(--primary);
            letter-spacing: 0.5px;
            flex-shrink: 0;
            transition: color var(--transition);
        }
        .logo:hover { color: var(--primary-dark); }

        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0;
        }

        .nav-tags {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: center;
            padding: 0 8px;
        }
        .nav-tags::-webkit-scrollbar { display: none; }

        .nav-tag {
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
            cursor: pointer;
            letter-spacing: 0.3px;
        }
        .nav-tag:hover {
            background: #F1EEE7;
            color: var(--text);
        }
        .nav-tag.active {
            background: var(--primary);
            color: #fff;
        }
        .nav-tag.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .header-cta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn:active { transform: scale(0.97); }

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

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

        .btn-accent {
            background: var(--accent);
            color: var(--primary-deeper);
        }
        .btn-accent:hover {
            background: #D49B1F;
            color: var(--primary-deeper);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 15px;
            border-radius: var(--radius-sm);
        }
        .btn-sm {
            padding: 7px 16px;
            font-size: 13px;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            background: var(--bg-light);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-soft);
            transition: color var(--transition);
        }
        .breadcrumb a:hover { color: var(--accent); }
        .breadcrumb .sep { color: var(--border-strong); }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            background: var(--primary-deeper);
            color: #fff;
            padding: 52px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .page-hero .container { position: relative; z-index: 1; }
        .page-hero h1 {
            font-size: 32px;
            line-height: 1.35;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .page-hero .hero-sub {
            font-size: 16px;
            color: rgba(255,255,255,0.8);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .hero-tag {
            padding: 4px 14px;
            border-radius: var(--radius-full);
            font-size: 12px;
            font-weight: 500;
            background: rgba(255,255,255,0.12);
            color: #fff;
            border: 1px solid rgba(255,255,255,0.2);
        }

        /* ===== Section Common ===== */
        .section {
            padding: var(--section-pad) 0;
        }
        .section-sm {
            padding: var(--section-pad-sm) 0;
        }
        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
            letter-spacing: 0.3px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .section-head {
            margin-bottom: 32px;
        }
        .section-head .badge-line {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
        }
        .badge-dot {
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
        }
        .badge-text {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        /* ===== Comparison Section ===== */
        .comparison-section {
            background: var(--bg-light);
        }
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 16px;
            align-items: stretch;
            margin-bottom: 24px;
        }
        .comparison-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 22px;
            box-shadow: var(--shadow-sm);
        }
        .comparison-card.winner {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(227, 167, 47, 0.15), var(--shadow-md);
        }
        .comparison-card .comp-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
        }
        .comp-head h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
        }
        .comp-badge {
            padding: 3px 12px;
            border-radius: var(--radius-full);
            font-size: 12px;
            font-weight: 600;
            background: var(--accent-soft);
            color: var(--primary);
        }
        .comp-badge.win {
            background: var(--primary);
            color: #fff;
        }
        .comp-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border);
        }
        .comp-item:last-child { border-bottom: none; }
        .comp-item .label {
            font-size: 13px;
            color: var(--text-muted);
        }
        .comp-item .value {
            font-size: 16px;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--text);
        }
        .comp-item .value.up { color: var(--primary); }
        .comp-item .value.down { color: var(--highlight); }
        .comp-item .value.neutral { color: var(--text-soft); }

        .vs-badge {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .vs-circle {
            width: 48px;
            height: 48px;
            background: var(--dark-bg);
            color: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            letter-spacing: 0.5px;
            box-shadow: var(--shadow-md);
        }

        .comparison-summary {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
        }
        .comparison-summary h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .comparison-summary p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.8;
        }

        /* ===== Metric Strip ===== */
        .metric-strip {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 28px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            box-shadow: var(--shadow-sm);
            margin-top: 24px;
        }
        .metric-item {
            text-align: center;
            padding: 8px 4px;
            border-right: 1px solid var(--border);
        }
        .metric-item:last-child { border-right: none; }
        .metric-num {
            font-size: 28px;
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--primary);
            letter-spacing: 0.5px;
            line-height: 1.3;
        }
        .metric-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .metric-trend {
            font-size: 12px;
            font-weight: 600;
            margin-top: 4px;
            display: inline-block;
            padding: 2px 8px;
            border-radius: var(--radius-full);
        }
        .metric-trend.up {
            background: rgba(29, 74, 62, 0.1);
            color: var(--primary);
        }
        .metric-trend.down {
            background: rgba(201, 84, 59, 0.1);
            color: var(--highlight);
        }

        /* ===== Case Cards ===== */
        .case-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .case-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .case-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .case-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .case-card:hover .case-img img { transform: scale(1.04); }
        .case-img .case-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            background: rgba(29, 74, 62, 0.9);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
        }
        .case-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .case-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .case-body .case-summary {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }
        .case-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 14px;
        }
        .case-chip {
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-size: 12px;
            font-weight: 500;
            background: #F1EEE7;
            color: var(--text-soft);
            border: 1px solid var(--border);
        }
        .case-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition);
        }
        .case-link:hover { color: var(--accent); }
        .case-link .arrow {
            transition: transform var(--transition);
            font-size: 14px;
        }
        .case-link:hover .arrow { transform: translateX(4px); }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item[open] {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            list-style: none;
            user-select: none;
            transition: background var(--transition);
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary:hover { background: #F1EEE7; }
        .faq-item summary .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: #F1EEE7;
            color: var(--text-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
            transition: all var(--transition);
        }
        .faq-item[open] summary .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.75;
            border-top: 1px solid var(--border);
            padding-top: 12px;
            background: var(--bg-light);
            border-radius: 0 0 var(--radius) var(--radius);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--dark-bg);
            color: #fff;
            padding: var(--section-pad) 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(227, 167, 47, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .cta-info h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 12px;
        }
        .cta-info p {
            font-size: 15px;
            color: rgba(255,255,255,0.75);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .cta-value-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .cta-value-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255,255,255,0.85);
        }
        .cta-value-list li::before {
            content: '✓';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            background: var(--accent);
            color: var(--primary-deeper);
            border-radius: 50%;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .cta-form-card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 28px 28px 24px;
            box-shadow: var(--shadow-lg);
        }
        .cta-form-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .cta-form-card .form-sub {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 18px;
        }
        .form-group {
            margin-bottom: 14px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            font-size: 14px;
            background: var(--bg-light);
            color: var(--text);
            transition: all var(--transition);
            outline: none;
            height: 44px;
        }
        .form-group textarea {
            height: 80px;
            resize: vertical;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(29, 74, 62, 0.1);
            background: #fff;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .btn-submit {
            width: 100%;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 13px 20px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            height: 48px;
            letter-spacing: 0.5px;
        }
        .btn-submit:hover {
            background: var(--primary-dark);
        }
        .btn-submit:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-submit:active { transform: scale(0.98); }
        .form-msg {
            margin-top: 10px;
            font-size: 13px;
            color: var(--highlight);
            min-height: 20px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-bg);
            color: rgba(255,255,255,0.7);
            padding: 48px 0 20px;
            font-size: 14px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .logo-mark {
            background: var(--accent);
            color: var(--primary-deeper);
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255,255,255,0.55);
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col a {
            color: rgba(255,255,255,0.6);
            font-size: 13px;
            transition: color var(--transition);
        }
        .footer-col a:hover { color: var(--accent); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            font-size: 12px;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom-links {
            display: flex;
            gap: 14px;
            margin-left: auto;
        }
        .footer-bottom-links a {
            color: rgba(255,255,255,0.4);
            transition: color var(--transition);
        }
        .footer-bottom-links a:hover { color: var(--accent); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .vs-badge {
                order: -1;
                padding: 0;
            }
            .vs-circle {
                width: 40px;
                height: 40px;
                font-size: 14px;
                margin: 0 auto;
            }
            .metric-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .metric-item:nth-child(2) { border-right: none; }
            .metric-item:nth-child(3) { border-top: 1px solid var(--border); }
            .metric-item:nth-child(4) { border-top: 1px solid var(--border); }
            .case-list {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
                --section-pad: 40px;
                --section-pad-sm: 28px;
            }
            .site-header {
                height: var(--nav-height);
            }
            .logo {
                font-size: 18px;
            }
            .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
            .nav-tag {
                padding: 5px 11px;
                font-size: 13px;
            }
            .header-cta .btn {
                padding: 7px 14px;
                font-size: 12px;
            }
            .page-hero h1 {
                font-size: 24px;
            }
            .page-hero .hero-sub {
                font-size: 14px;
            }
            .section-title {
                font-size: 20px;
            }
            .metric-strip {
                grid-template-columns: 1fr 1fr;
                padding: 16px;
                gap: 12px;
            }
            .metric-num {
                font-size: 22px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .footer-bottom-links {
                margin-left: 0;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            body {
                font-size: 15px;
                line-height: 1.75;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .page-hero {
                padding: 36px 0 32px;
            }
            .page-hero h1 {
                font-size: 20px;
            }
            .comparison-card {
                padding: 16px 14px;
            }
            .comp-item .value {
                font-size: 14px;
            }
            .metric-strip {
                grid-template-columns: 1fr;
            }
            .metric-item {
                border-right: none;
                border-bottom: 1px solid var(--border);
                padding: 8px 0;
            }
            .metric-item:last-child { border-bottom: none; }
            .cta-form-card {
                padding: 18px 16px 16px;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 14px;
            }
            .nav-tag {
                padding: 4px 9px;
                font-size: 12px;
            }
            .header-cta .btn-sm {
                padding: 6px 10px;
                font-size: 11px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #1D4A3E;
            --primary-dark: #163B33;
            --primary-deeper: #102D27;
            --accent: #E3A72F;
            --accent-soft: #F5E6C8;
            --highlight: #C9543B;
            --bg: #F6F3ED;
            --bg-light: #FAFAF7;
            --surface: #FFFFFF;
            --dark-bg: #16352E;
            --text: #1C2622;
            --text-soft: #45544E;
            --text-muted: #64736D;
            --border: #E7E2DA;
            --border-strong: #D6D1C8;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-full: 999px;
            --shadow-sm: 0 1px 2px rgba(15, 45, 40, 0.04);
            --shadow-md: 0 4px 12px rgba(15, 45, 40, 0.06);
            --shadow-lg: 0 8px 24px rgba(15, 45, 40, 0.09);
            --font-sans: 'Source Han Sans SC', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --font-mono: 'SF Mono', 'Roboto Mono', 'Consolas', 'Courier New', monospace;
            --container-max: 1200px;
            --nav-height: 68px;
            --section-pad: 72px;
            --section-pad-sm: 44px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        @media (max-width: 768px) {
            :root {
                --section-pad: 48px;
                --section-pad-sm: 32px;
                --nav-height: 60px;
            }
        }

        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text);
            background: var(--bg);
            line-height: 1.8;
            font-size: 16px;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ul, ol {
            list-style: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            color: var(--primary);
            letter-spacing: 0.5px;
            flex-shrink: 0;
            transition: color var(--transition);
        }
        .logo:hover {
            color: var(--primary-dark);
        }
        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0;
            flex-shrink: 0;
        }
        .nav-tags {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: center;
            padding: 0 8px;
        }
        .nav-tags::-webkit-scrollbar {
            display: none;
        }
        .nav-tag {
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
            cursor: pointer;
            letter-spacing: 0.3px;
        }
        .nav-tag:hover {
            background: #F1EEE7;
            color: var(--text);
        }
        .nav-tag.active {
            background: var(--primary);
            color: #fff;
        }
        .nav-tag.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .nav-tag:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .header-cta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(0.98);
            background: var(--primary-deeper);
        }
        .btn-primary:focus-visible {
            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(--primary);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: scale(0.98);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary-deeper);
            border: 1px solid var(--accent);
        }
        .btn-accent:hover {
            background: #d19a22;
            border-color: #d19a22;
            transform: translateY(-1px);
        }
        .btn-accent:active {
            transform: scale(0.98);
        }
        .btn-accent:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-lg {
            padding: 13px 28px;
            font-size: 16px;
            border-radius: var(--radius-sm);
        }
        .btn-sm {
            padding: 7px 14px;
            font-size: 13px;
            border-radius: 6px;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
            font-size: 13px;
            color: var(--text-muted);
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb-bar a:hover {
            color: var(--primary);
        }
        .breadcrumb-sep {
            color: var(--border-strong);
            font-size: 12px;
        }
        .breadcrumb-current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Page Title Area ===== */
        .page-title-area {
            padding: var(--section-pad-sm) 0 32px;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
        }
        .page-title-area h1 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .page-title-area .subtitle {
            font-size: 16px;
            color: var(--text-muted);
            margin-top: 10px;
            max-width: 720px;
        }
        .page-title-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 14px;
            flex-wrap: wrap;
        }
        .page-title-meta span {
            font-size: 13px;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .page-title-meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--border-strong);
        }

        /* ===== Section Generic ===== */
        .section {
            padding: var(--section-pad) 0;
        }
        .section-sm {
            padding: var(--section-pad-sm) 0;
        }
        .section-head {
            margin-bottom: 32px;
        }
        .section-head h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            letter-spacing: 0.4px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 8px;
            max-width: 640px;
        }
        .section-head .chip {
            display: inline-block;
            padding: 4px 12px;
            background: var(--accent-soft);
            color: var(--primary);
            border-radius: var(--radius-full);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        /* ===== Horizontal Scroll Cards ===== */
        .scroll-section {
            padding: var(--section-pad) 0;
            background: var(--bg);
        }
        .scroll-section .container {
            max-width: var(--container-max);
        }
        .scroll-viewport {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-strong) transparent;
            padding-bottom: 12px;
            margin: 0 -20px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .scroll-viewport::-webkit-scrollbar {
            height: 5px;
        }
        .scroll-viewport::-webkit-scrollbar-track {
            background: transparent;
        }
        .scroll-viewport::-webkit-scrollbar-thumb {
            background: var(--border-strong);
            border-radius: 999px;
        }
        .resource-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
            min-height: 380px;
        }
        .resource-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border-strong);
        }
        .resource-card .card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }
        .resource-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .resource-card:hover .card-img img {
            transform: scale(1.05);
        }
        .resource-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(29, 74, 62, 0.88);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            letter-spacing: 0.4px;
            backdrop-filter: blur(4px);
        }
        .resource-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .resource-card .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .resource-card .card-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .resource-card .card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }
        .resource-card .card-meta .tag {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-soft);
            background: #F1EEE7;
            border: 1px solid var(--border);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            letter-spacing: 0.3px;
        }
        .resource-card .card-meta .tag-accent {
            color: var(--primary);
            background: var(--accent-soft);
            border-color: #E8D5B0;
        }
        .resource-card .card-action {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            margin-top: auto;
        }
        .resource-card .card-action .btn {
            font-size: 13px;
            padding: 7px 16px;
        }
        .resource-card .card-update {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
        }

        /* scroll hint */
        .scroll-hint {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 14px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .scroll-hint .hint-line {
            width: 36px;
            height: 2px;
            background: var(--border-strong);
            border-radius: 2px;
        }
        .scroll-hint .hint-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        /* ===== Stats Bar ===== */
        .stats-bar {
            background: var(--dark-bg);
            padding: 28px 0;
            border-radius: 0;
        }
        .stats-bar .container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-item {
            text-align: center;
            padding: 8px 12px;
        }
        .stat-item .stat-num {
            font-family: var(--font-mono);
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }
        .stat-item .stat-unit {
            font-size: 14px;
            color: var(--accent);
            font-weight: 600;
        }
        .stat-item .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 2px;
        }
        .stat-item .stat-trend {
            font-size: 12px;
            color: #A8D5C6;
            margin-top: 4px;
            letter-spacing: 0.3px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-light);
            padding: var(--section-pad) 0;
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: box-shadow var(--transition), border-color var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }
        .faq-item.open {
            border-color: var(--primary);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            background: transparent;
            text-align: left;
            letter-spacing: 0.3px;
            transition: background var(--transition), color var(--transition);
        }
        .faq-question:hover {
            background: #F8F5F0;
            color: var(--primary);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
            border-radius: var(--radius);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border-strong);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-soft);
            transition: all var(--transition);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 280px;
            padding: 0 20px 18px;
        }
        .faq-answer a {
            color: var(--primary);
            font-weight: 600;
        }
        .faq-answer a:hover {
            color: var(--accent);
        }

        /* ===== CTA Form Section ===== */
        .cta-form-section {
            background: var(--bg);
            padding: var(--section-pad) 0;
        }
        .cta-form-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
        }
        .cta-form-info {
            background: var(--primary);
            color: #fff;
            padding: 40px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .cta-form-info h2 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }
        .cta-form-info p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .cta-benefit-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .cta-benefit-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.6;
        }
        .cta-benefit-list li::before {
            content: '✓';
            color: var(--accent);
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }
        .cta-form-fields {
            padding: 40px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 16px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-group label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            letter-spacing: 0.3px;
        }
        .form-control {
            height: 44px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-strong);
            padding: 0 14px;
            font-size: 15px;
            color: var(--text);
            background: var(--bg-light);
            transition: border-color var(--transition), box-shadow var(--transition);
            outline: none;
            width: 100%;
        }
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(29, 74, 62, 0.1);
            background: #fff;
        }
        .form-control.error {
            border-color: #C0392B;
            box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.1);
        }
        .form-error {
            font-size: 12px;
            color: #C0392B;
            display: none;
        }
        .form-error.visible {
            display: block;
        }
        .form-hint {
            font-size: 12px;
            color: var(--text-muted);
        }
        select.form-control {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364736D' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 38px;
        }
        .form-submit-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-top: 4px;
            flex-wrap: wrap;
        }
        .form-submit-row .btn {
            flex: 1;
            min-width: 140px;
        }
        .form-note {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        .footer-brand .logo {
            color: #fff;
            font-size: 22px;
        }
        .footer-brand .logo .logo-mark {
            background: var(--accent);
            color: var(--primary-deeper);
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 12px;
            transition: color var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .stats-bar .container {
                grid-template-columns: repeat(4, 1fr);
            }
            .cta-form-card {
                grid-template-columns: 1fr;
            }
            .cta-form-info {
                padding: 28px 24px;
            }
            .cta-form-fields {
                padding: 28px 24px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: nowrap;
                gap: 8px;
            }
            .logo {
                font-size: 18px;
                gap: 6px;
            }
            .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
            .nav-tags {
                justify-content: flex-start;
                padding: 0 4px;
                flex: 1;
            }
            .nav-tag {
                padding: 5px 10px;
                font-size: 12px;
            }
            .header-cta .btn {
                padding: 8px 14px;
                font-size: 12px;
            }
            .page-title-area h1 {
                font-size: 24px;
            }
            .page-title-area .subtitle {
                font-size: 14px;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .resource-card {
                flex: 0 0 260px;
                min-height: 340px;
            }
            .stats-bar .container {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .stat-item .stat-num {
                font-size: 24px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 13px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        @media (max-width: 576px) {
            .resource-card {
                flex: 0 0 240px;
                min-height: 320px;
            }
            .resource-card .card-body {
                padding: 14px 16px 16px;
            }
            .resource-card .card-title {
                font-size: 15px;
            }
            .resource-card .card-desc {
                font-size: 13px;
            }
            .btn-lg {
                padding: 10px 20px;
                font-size: 14px;
            }
            .form-submit-row {
                flex-direction: column;
                align-items: stretch;
            }
            .form-submit-row .btn {
                width: 100%;
            }
            .form-note {
                text-align: center;
            }
        }

/* roulang page: category7 */
:root {
  --primary: #1D4A3E;
  --primary-dark: #163B33;
  --primary-deeper: #102D27;
  --accent: #E3A72F;
  --accent-soft: #F5E6C8;
  --highlight: #C9543B;
  --bg: #F6F3ED;
  --bg-light: #FAFAF7;
  --surface: #FFFFFF;
  --dark-bg: #16352E;
  --text: #1C2622;
  --text-soft: #45544E;
  --text-muted: #64736D;
  --border: #E7E2DA;
  --border-strong: #D6D1C8;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 2px rgba(15, 45, 40, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 45, 40, 0.06);
  --shadow-lg: 0 8px 24px rgba(15, 45, 40, 0.09);
  --font-sans: 'Source Han Sans SC', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Roboto Mono', 'Consolas', 'Courier New', monospace;
  --container-max: 1200px;
  --nav-height: 68px;
  --section-pad: 64px;
  --section-pad-sm: 40px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
@media (max-width: 768px) {
  :root {
    --section-pad: 44px;
    --section-pad-sm: 30px;
    --nav-height: 60px;
  }
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}
body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
  font-size: 16px;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; line-height: inherit; }
button { cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
.container { max-width: var(--container-max); margin: 0 auto; padding-left: 20px; padding-right: 20px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 22px;
  color: var(--primary);
  letter-spacing: 0.5px;
  flex-shrink: 0;
  transition: color var(--transition);
}
.logo:hover { color: var(--primary-dark); }
.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0;
}
.nav-tags {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  flex: 1;
  justify-content: center;
  padding: 0 8px;
}
.nav-tags::-webkit-scrollbar { display: none; }
.nav-tag {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-soft);
  white-space: nowrap;
  transition: all var(--transition);
  position: relative;
  cursor: pointer;
  letter-spacing: 0.3px;
}
.nav-tag:hover { background: #F1EEE7; color: var(--text); }
.nav-tag.active { background: var(--primary); color: #fff; }
.nav-tag.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.header-cta { flex-shrink: 0; display: flex; align-items: center; gap: 10px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); }
.btn-primary:active { background: var(--primary-deeper); transform: translateY(0); }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-1px); }
.btn-outline:active { transform: translateY(0); }
.btn-sm { padding: 7px 14px; font-size: 13px; }
.btn-lg { padding: 13px 28px; font-size: 16px; }

/* Breadcrumb */
.breadcrumb-bar {
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--text-soft); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--border-strong); }
.breadcrumb .current { color: var(--primary); font-weight: 500; }

/* Page Title Area */
.page-title-area {
  background: var(--bg);
  padding: 40px 0;
}
.page-title-wrapper {
  display: flex;
  align-items: center;
  gap: 36px;
  flex-wrap: wrap;
}
.page-title-text { flex: 1; min-width: 280px; }
.page-title-text h1 {
  font-size: 30px;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.page-title-text .subtitle {
  font-size: 16px;
  color: var(--text-soft);
  line-height: 1.8;
  max-width: 600px;
}
.page-title-image {
  flex-shrink: 0;
  width: 260px;
  height: 170px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.page-title-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Section Common */
.section { padding: var(--section-pad) 0; }
.section-sm { padding: var(--section-pad-sm) 0; }
.section-header { margin-bottom: 32px; }
.section-header h2 {
  font-size: 24px;
  line-height: 1.4;
  color: var(--text);
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}
.section-header p { font-size: 15px; color: var(--text-muted); line-height: 1.8; }
.section-header .chip-label {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}

/* Data Trend Module */
.trend-module {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
  align-items: stretch;
}
.trend-info {
  flex: 1;
  min-width: 300px;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.trend-info h3 {
  font-size: 19px;
  color: var(--primary);
  margin-bottom: 14px;
  line-height: 1.4;
}
.trend-info p {
  font-size: 15px;
  color: var(--text-soft);
  line-height: 1.8;
  margin-bottom: 14px;
}
.trend-metrics {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 14px;
}
.trend-metric {
  flex: 1;
  min-width: 120px;
  background: var(--bg-light);
  border-radius: var(--radius-sm);
  padding: 14px;
  text-align: center;
  border: 1px solid var(--border);
}
.trend-metric .metric-num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.5px;
}
.trend-metric .metric-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}
.trend-chart {
  flex: 1.2;
  min-width: 300px;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.trend-chart h3 {
  font-size: 17px;
  color: var(--text);
  margin-bottom: 18px;
  line-height: 1.4;
}
.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  height: 180px;
  padding-bottom: 24px;
  position: relative;
}
.chart-bar-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  height: 100%;
  justify-content: flex-end;
}
.chart-bar {
  width: 100%;
  max-width: 42px;
  border-radius: 6px 6px 0 0;
  background: var(--primary);
  transition: all var(--transition);
  position: relative;
  cursor: pointer;
}
.chart-bar:hover { background: var(--accent); transform: scaleY(1.02); }
.chart-bar-label {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
}
.chart-bar-value {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--primary);
  font-weight: 600;
}

/* Benefits Cards */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}
.benefit-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.benefit-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--accent);
}
.benefit-card.card-large { grid-column: span 7; }
.benefit-card.card-medium { grid-column: span 5; }
.benefit-card.card-small { grid-column: span 4; }
.benefit-card .card-icon {
  width: 42px;
  height: 42px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.benefit-card h3 { font-size: 17px; color: var(--text); margin-bottom: 8px; line-height: 1.4; }
.benefit-card p { font-size: 14px; color: var(--text-soft); line-height: 1.7; }
.benefit-card .benefit-chip {
  display: inline-block;
  background: var(--bg-light);
  color: var(--text-soft);
  font-size: 12px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  margin-top: 10px;
}
@media (max-width: 992px) {
  .benefit-card.card-large, .benefit-card.card-medium, .benefit-card.card-small { grid-column: span 6; }
}
@media (max-width: 576px) {
  .benefit-card.card-large, .benefit-card.card-medium, .benefit-card.card-small { grid-column: span 12; }
}

/* Resource Download Cards */
.resource-list { display: flex; flex-direction: column; gap: 16px; }
.resource-card {
  display: flex;
  gap: 20px;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
  align-items: center;
  flex-wrap: wrap;
}
.resource-card:hover { box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.resource-card .resource-image {
  width: 100px;
  height: 70px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-light);
}
.resource-card .resource-image img { width: 100%; height: 100%; object-fit: cover; }
.resource-card .resource-info { flex: 1; min-width: 200px; }
.resource-card .resource-info h3 { font-size: 16px; color: var(--text); margin-bottom: 4px; line-height: 1.4; }
.resource-card .resource-info p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.resource-card .resource-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  flex-shrink: 0;
}
.resource-meta .file-type {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--primary);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}
.resource-meta .file-size {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 16px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition);
  white-space: nowrap;
}
.download-btn:hover { background: var(--primary-dark); color: #fff; }
.download-btn:active { transform: scale(0.97); }

/* FAQ */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.faq-item {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition);
}
.faq-question:hover { background: var(--bg-light); }
.faq-question .faq-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
  transition: all var(--transition);
}
.faq-item.open .faq-icon { background: var(--accent); color: var(--primary); transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  background: var(--bg-light);
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer-inner {
  padding: 16px 20px;
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.8;
  border-top: 1px solid var(--border);
}
@media (max-width: 768px) {
  .faq-grid { grid-template-columns: 1fr; }
}

/* CTA Section */
.cta-section {
  background: var(--dark-bg);
  padding: 56px 0;
}
.cta-inner {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-text { flex: 1; min-width: 280px; }
.cta-text h2 {
  font-size: 24px;
  color: #fff;
  margin-bottom: 10px;
  line-height: 1.4;
}
.cta-text p {
  font-size: 14px;
  color: #b8c4bf;
  line-height: 1.8;
  margin-bottom: 20px;
}
.cta-value-list { display: flex; flex-direction: column; gap: 8px; }
.cta-value-list li {
  font-size: 14px;
  color: #d4dcd9;
  display: flex;
  align-items: center;
  gap: 8px;
}
.cta-value-list li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
  font-size: 14px;
}
.cta-form {
  flex: 1;
  min-width: 320px;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-lg);
}
.cta-form h3 {
  font-size: 17px;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.4;
}
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 5px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  min-height: 44px;
  padding: 9px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text);
  background: var(--bg-light);
  transition: all var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(29, 74, 62, 0.1);
}
.form-group input.error {
  border-color: #C0392B;
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.1);
}
.form-error-msg {
  color: #C0392B;
  font-size: 12px;
  margin-top: 3px;
  display: none;
}
.form-error-msg.show { display: block; }
.cta-form .btn-primary { width: 100%; height: 44px; }

/* Footer */
.site-footer {
  background: var(--dark-bg);
  color: #d4dcd9;
  padding: 48px 0 24px;
}
.footer-inner {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  justify-content: space-between;
}
.footer-brand {
  flex: 1.5;
  min-width: 260px;
}
.footer-brand .logo {
  color: #fff;
  margin-bottom: 12px;
  font-size: 20px;
}
.footer-brand .logo-mark { background: var(--accent); color: var(--primary-deeper); }
.footer-brand p {
  font-size: 13px;
  color: #b8c4bf;
  line-height: 1.8;
  max-width: 360px;
}
.footer-col { flex: 1; min-width: 140px; }
.footer-col h4 {
  font-size: 15px;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col a {
  font-size: 13px;
  color: #b8c4bf;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: #93a39d;
}
.footer-bottom-links {
  display: flex;
  gap: 16px;
  margin-left: auto;
}
.footer-bottom-links a:hover { color: var(--accent); }

@media (max-width: 768px) {
  .header-cta .btn-outline { display: none; }
  .nav-tags { justify-content: flex-start; }
  .page-title-wrapper { flex-direction: column; align-items: flex-start; }
  .page-title-image { width: 100%; height: 180px; }
  .trend-module, .cta-inner { flex-direction: column; }
  .footer-inner { flex-direction: column; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-bottom-links { margin-left: 0; }
}
@media (max-width: 576px) {
  .header-cta { gap: 4px; }
  .header-cta .btn { padding: 7px 12px; font-size: 12px; }
  .section-header h2 { font-size: 20px; }
  .chart-bars { gap: 6px; }
  .chart-bar { max-width: 28px; }
  .resource-card { flex-direction: column; align-items: flex-start; }
  .resource-card .resource-image { width: 100%; height: 130px; }
  .resource-meta { width: 100%; justify-content: space-between; }
}