/* roulang page: index */
:root {
            --primary: #FF6F00;
            --primary-light: #FF8F30;
            --primary-dark: #E05E00;
            --secondary: #1B5E20;
            --secondary-light: #2E7D32;
            --secondary-dark: #0D3B10;
            --gold: #FFB300;
            --gold-light: #FFD54F;
            --bg-dark: #0B1D11;
            --bg-light: #F5F5F5;
            --bg-white: #FFFFFF;
            --text-dark: #212121;
            --text-muted: #616161;
            --text-light: #9E9E9E;
            --border-color: #E0E0E0;
            --radius: 16px;
            --radius-sm: 8px;
            --shadow: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-hover: 0 8px 30px rgba(0,0,0,0.15);
            --transition: 0.3s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-dark);
            background: var(--bg-white);
            opacity: 0;
            animation: fadeIn 0.5s forwards;
        }

        @keyframes fadeIn {
            to {
                opacity: 1;
            }
        }

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

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

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

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

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1020;
            background: var(--bg-white);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            flex-wrap: wrap;
            gap: 12px;
        }

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

        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
        }

        .brand-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1.2;
        }

        .brand-name span {
            color: var(--primary);
        }

        .brand-sub {
            font-size: 12px;
            color: var(--text-muted);
            display: block;
            line-height: 1.2;
        }

        .nav-channel {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .nav-channel .nav-link {
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            border-radius: 20px;
            transition: background var(--transition), color var(--transition);
            white-space: nowrap;
        }

        .nav-channel .nav-link:hover,
        .nav-channel .nav-link:focus {
            background: rgba(255, 111, 0, 0.08);
            color: var(--primary);
        }

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

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .search-wrap {
            position: relative;
            min-width: 180px;
        }

        .search-wrap .form-control {
            border-radius: 20px;
            border: 1.5px solid var(--border-color);
            padding: 6px 16px 6px 36px;
            font-size: 13px;
            background: var(--bg-light);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .search-wrap .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 111, 0, 0.15);
            background: var(--bg-white);
        }

        .search-wrap .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 14px;
            pointer-events: none;
        }

        .hot-tags {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .hot-tags .tag-label {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
        }

        .hot-tags .tag-item {
            display: inline-block;
            padding: 2px 12px;
            font-size: 12px;
            background: var(--bg-light);
            border-radius: 12px;
            color: var(--text-muted);
            transition: background var(--transition), color var(--transition);
        }

        .hot-tags .tag-item:hover {
            background: var(--primary);
            color: #fff;
        }

        .navbar-toggler {
            border: none;
            background: transparent;
            font-size: 24px;
            color: var(--text-dark);
            padding: 4px 8px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(11, 29, 17, 0.85) 0%, rgba(0, 0, 0, 0.45) 50%, transparent 80%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 24px;
            max-width: 900px;
        }

        .hero-title {
            font-size: 48px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }

        .hero-subtitle {
            font-size: 24px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 36px;
            font-weight: 400;
            letter-spacing: 1px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary-custom {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border: none;
            padding: 14px 40px;
            font-size: 17px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
            box-shadow: 0 4px 16px rgba(255, 111, 0, 0.35);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-custom:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 8px 28px rgba(255, 111, 0, 0.45);
            background: linear-gradient(135deg, var(--primary-dark), var(--secondary-dark));
            color: #fff;
        }

        .btn-primary-custom:active {
            transform: scale(0.98);
        }

        .btn-secondary-custom {
            background: transparent;
            color: #fff;
            border: 2px solid var(--primary);
            padding: 12px 36px;
            font-size: 17px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary-custom:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 111, 0, 0.3);
        }

        .btn-secondary-custom:active {
            transform: scale(0.98);
        }

        /* ===== Section Spacing ===== */
        .section-block {
            padding: 80px 0;
        }

        .section-block-alt {
            padding: 80px 0;
            background: var(--bg-light);
        }

        .section-title {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            text-align: center;
        }

        .section-subtitle {
            font-size: 18px;
            color: var(--text-muted);
            text-align: center;
            margin-bottom: 48px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Features / 玩法 ===== */
        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 32px 24px 28px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: transform var(--transition), box-shadow var(--transition);
            height: 100%;
            border: 1px solid rgba(0, 0, 0, 0.04);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--gold));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 28px;
            color: #fff;
        }

        .feature-card h4 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== Rewards / 奖励预览 ===== */
        .reward-scroll {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            padding: 8px 4px 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }

        .reward-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .reward-scroll::-webkit-scrollbar-track {
            background: var(--bg-light);
            border-radius: 3px;
        }

        .reward-scroll::-webkit-scrollbar-thumb {
            background: var(--primary-light);
            border-radius: 3px;
        }

        .reward-card {
            flex: 0 0 280px;
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
            scroll-snap-align: start;
            border: 1px solid rgba(0, 0, 0, 0.04);
        }

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

        .reward-card .card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            background: var(--bg-light);
        }

        .reward-card .card-body {
            padding: 18px 20px 22px;
        }

        .reward-card .reward-value {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
        }

        .reward-card .reward-label {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .reward-card .reward-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        .reward-badge {
            display: inline-block;
            background: var(--gold);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 12px;
            margin-bottom: 8px;
        }

        /* ===== Task Progress / 任务进度 ===== */
        .task-progress-wrap {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(0, 0, 0, 0.04);
        }

        .progress-custom {
            height: 12px;
            border-radius: 6px;
            background: var(--bg-light);
            overflow: hidden;
        }

        .progress-custom .progress-bar {
            background: linear-gradient(90deg, var(--primary), var(--gold));
            border-radius: 6px;
            transition: width 1s ease;
        }

        .task-steps {
            display: flex;
            justify-content: space-between;
            margin-top: 12px;
            flex-wrap: wrap;
            gap: 8px;
        }

        .task-step {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .task-step .step-dot {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-light);
        }

        .task-step.completed .step-dot {
            background: var(--secondary);
            color: #fff;
        }

        .task-step.active .step-dot {
            background: var(--primary);
            color: #fff;
        }

        .task-card-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 16px;
            margin-top: 24px;
        }

        .task-card {
            background: var(--bg-light);
            border-radius: var(--radius-sm);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: background var(--transition), transform var(--transition);
        }

        .task-card:hover {
            background: rgba(255, 111, 0, 0.06);
            transform: translateX(4px);
        }

        .task-card .task-info h5 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .task-card .task-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .task-card .btn-task {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 6px 18px;
            font-size: 13px;
            font-weight: 500;
            border-radius: 20px;
            transition: background var(--transition), transform var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .task-card .btn-task:hover {
            background: var(--primary-dark);
            transform: scale(1.04);
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius);
            padding: 56px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.10;
            z-index: 0;
        }

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

        .cta-banner h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .cta-banner p {
            font-size: 18px;
            opacity: 0.9;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-banner .btn-cta {
            background: #fff;
            color: var(--primary);
            border: none;
            padding: 14px 48px;
            font-size: 18px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .cta-banner .btn-cta:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
            color: var(--primary-dark);
        }

        /* ===== News / 资讯 ===== */
        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
            height: 100%;
            border: 1px solid rgba(0, 0, 0, 0.04);
        }

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

        .news-card .card-img-top {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: var(--bg-light);
        }

        .news-card .card-body {
            padding: 20px 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-card .news-tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 2px 14px;
            border-radius: 12px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .news-card .card-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
            color: var(--text-dark);
        }

        .news-card .card-text {
            font-size: 14px;
            color: var(--text-muted);
            flex: 1;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-light);
            border-top: 1px solid var(--border-color);
            padding-top: 12px;
            margin-top: auto;
        }

        .news-card .news-meta .news-date {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .news-card .news-meta .read-more {
            color: var(--primary);
            font-weight: 500;
            transition: color var(--transition);
        }

        .news-card .news-meta .read-more:hover {
            color: var(--primary-dark);
        }

        .empty-news {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            font-size: 16px;
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }

        .empty-news i {
            font-size: 48px;
            color: var(--border-color);
            margin-bottom: 16px;
            display: block;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 56px 0 32px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-icon {
            width: 40px;
            height: 40px;
            font-size: 20px;
        }

        .footer-brand .brand-name {
            color: #fff;
            font-size: 22px;
        }

        .footer-brand .brand-name span {
            color: var(--gold);
        }

        .footer-about p {
            font-size: 14px;
            opacity: 0.75;
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-links h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

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

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

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

        .footer-links ul li a:hover {
            color: var(--gold);
        }

        .footer-contact p {
            font-size: 14px;
            opacity: 0.75;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            width: 20px;
            color: var(--gold);
        }

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.10);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            transition: background var(--transition), transform var(--transition);
        }

        .footer-social a:hover {
            background: var(--primary);
            transform: translateY(-2px);
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding-top: 20px;
            margin-top: 32px;
            text-align: center;
            font-size: 13px;
            opacity: 0.6;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .hero-title {
                font-size: 40px;
            }

            .hero-subtitle {
                font-size: 20px;
            }

            .section-title {
                font-size: 30px;
            }

            .header-inner {
                padding: 10px 0;
            }

            .nav-channel {
                margin-top: 8px;
                width: 100%;
                justify-content: center;
            }

            .nav-right {
                width: 100%;
                justify-content: center;
                margin-top: 8px;
            }

            .search-wrap {
                min-width: 140px;
                flex: 1;
                max-width: 280px;
            }

            .hot-tags {
                display: none;
            }
        }

        @media (max-width: 767px) {
            .hero-section {
                min-height: 60vh;
            }

            .hero-title {
                font-size: 32px;
            }

            .hero-subtitle {
                font-size: 17px;
                margin-bottom: 28px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }

            .btn-primary-custom,
            .btn-secondary-custom {
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }

            .section-block,
            .section-block-alt {
                padding: 48px 0;
            }

            .section-title {
                font-size: 26px;
            }

            .section-subtitle {
                font-size: 15px;
                margin-bottom: 32px;
            }

            .feature-card {
                padding: 24px 18px 20px;
            }

            .reward-card {
                flex: 0 0 240px;
            }

            .reward-card .card-img {
                height: 130px;
            }

            .cta-banner {
                padding: 36px 24px;
            }

            .cta-banner h2 {
                font-size: 24px;
            }

            .cta-banner p {
                font-size: 15px;
            }

            .cta-banner .btn-cta {
                padding: 12px 32px;
                font-size: 16px;
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }

            .task-card-list {
                grid-template-columns: 1fr;
            }

            .site-footer {
                padding: 40px 0 24px;
            }

            .footer-brand .brand-name {
                font-size: 18px;
            }

            .header-inner {
                flex-wrap: nowrap;
            }

            .nav-channel {
                display: none;
            }

            .nav-right {
                display: none;
            }

            .mobile-nav-open .nav-channel,
            .mobile-nav-open .nav-right {
                display: flex;
            }

            .mobile-nav-open .header-inner {
                flex-wrap: wrap;
            }
        }

        @media (min-width: 768px) {
            .navbar-toggler {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 26px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .section-title {
                font-size: 22px;
            }

            .container {
                padding: 0 16px;
            }

            .reward-card {
                flex: 0 0 200px;
            }

            .reward-card .card-img {
                height: 110px;
            }

            .news-card .card-img-top {
                height: 140px;
            }

            .task-progress-wrap {
                padding: 20px 16px;
            }

            .footer-links {
                margin-top: 24px;
            }
        }

        /* ===== Utility ===== */
        .text-primary-custom {
            color: var(--primary);
        }

        .text-gold {
            color: var(--gold);
        }

        .bg-primary-gradient {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
        }

        .rounded-custom {
            border-radius: var(--radius);
        }

        .shadow-custom {
            box-shadow: var(--shadow);
        }

        .mt-section {
            margin-top: 80px;
        }

        @media (max-width: 767px) {
            .mt-section {
                margin-top: 48px;
            }
        }

        .gap-section {
            gap: 80px;
        }

        @media (max-width: 767px) {
            .gap-section {
                gap: 48px;
            }
        }

/* roulang page: article */
:root {
            --primary: #FF6F00;
            --primary-dark: #E65A00;
            --secondary: #1B5E20;
            --secondary-light: #2E7D32;
            --accent: #FFB300;
            --bg-dark: #0B1D11;
            --bg-light: #F5F5F5;
            --bg-white: #FFFFFF;
            --text-dark: #212121;
            --text-muted: #616161;
            --text-light: #FFFFFF;
            --border: #E0E0E0;
            --radius: 16px;
            --radius-sm: 8px;
            --shadow: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-hover: 0 8px 30px rgba(0,0,0,0.15);
            --transition: 0.3s ease;
            --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

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

        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-dark);
            background: var(--bg-white);
            opacity: 0;
            animation: fadeIn 0.5s forwards;
        }

        @keyframes fadeIn {
            to { opacity: 1; }
        }

        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

        img { max-width: 100%; height: auto; display: block; }
        button:focus-visible, input:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

        .container { max-width: 1200px; padding: 0 24px; }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1020;
            background: var(--bg-white);
            box-shadow: 0 2px 20px rgba(0,0,0,0.06);
            transition: var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 12px 0;
            gap: 12px;
        }

        .brand-row {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            flex-shrink: 0;
        }

        .brand-name {
            font-size: 22px;
            font-weight: 700;
            color: var(--secondary);
            letter-spacing: 0.5px;
        }
        .brand-name span { color: var(--primary); font-weight: 400; }

        .nav-channel {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .nav-channel .nav-link {
            padding: 6px 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            border-radius: 20px;
            transition: var(--transition);
            position: relative;
        }
        .nav-channel .nav-link:hover { color: var(--primary); background: rgba(255,111,0,0.06); }
        .nav-channel .nav-link.active { color: var(--primary); background: rgba(255,111,0,0.1); font-weight: 600; }
        .nav-channel .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .search-wrap {
            position: relative;
            width: 200px;
        }
        .search-wrap .form-control {
            border-radius: 20px;
            border: 1.5px solid var(--border);
            padding: 6px 16px 6px 38px;
            font-size: 13px;
            background: var(--bg-light);
            transition: var(--transition);
        }
        .search-wrap .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255,111,0,0.12);
            background: var(--bg-white);
        }
        .search-wrap .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 14px;
            pointer-events: none;
        }

        .hot-tags {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .hot-tags .label { color: var(--text-muted); white-space: nowrap; }
        .hot-tags a {
            display: inline-block;
            padding: 2px 12px;
            background: var(--bg-light);
            border-radius: 12px;
            color: var(--text-muted);
            font-size: 12px;
            transition: var(--transition);
        }
        .hot-tags a:hover { background: rgba(255,111,0,0.12); color: var(--primary); }

        .navbar-toggler {
            border: none;
            padding: 6px 10px;
            font-size: 20px;
            color: var(--text-dark);
            background: transparent;
        }
        .navbar-toggler:focus { box-shadow: none; }

        .offcanvas.offcanvas-end {
            width: 280px;
            background: var(--bg-white);
        }
        .offcanvas .nav-link {
            padding: 12px 20px;
            font-size: 15px;
            color: var(--text-dark);
            border-bottom: 1px solid var(--border);
        }
        .offcanvas .nav-link.active { color: var(--primary); font-weight: 600; background: rgba(255,111,0,0.05); }
        .offcanvas .btn-close:focus { box-shadow: none; }

        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            background: var(--bg-light);
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb-bar .breadcrumb {
            margin: 0;
            background: transparent;
            padding: 0;
            font-size: 14px;
        }
        .breadcrumb-bar .breadcrumb-item a { color: var(--text-muted); }
        .breadcrumb-bar .breadcrumb-item.active { color: var(--text-dark); }
        .breadcrumb-bar .breadcrumb-item + .breadcrumb-item::before { content: '›'; color: var(--text-muted); }

        /* ===== 文章主体 ===== */
        .article-section {
            padding: 60px 0 80px;
            background: var(--bg-white);
        }

        .article-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .article-header {
            margin-bottom: 40px;
        }
        .article-header h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: var(--text-muted);
            align-items: center;
        }
        .article-meta .badge-tag {
            display: inline-block;
            padding: 2px 14px;
            background: rgba(255,111,0,0.12);
            color: var(--primary);
            border-radius: 12px;
            font-size: 12px;
            font-weight: 500;
        }

        .article-content {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-dark);
        }
        .article-content p { margin-bottom: 1.2em; }
        .article-content img {
            border-radius: var(--radius);
            margin: 24px auto;
            max-width: 100%;
            height: auto;
            box-shadow: var(--shadow);
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            padding: 12px 20px;
            margin: 20px 0;
            background: rgba(255,111,0,0.04);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .article-content ul, .article-content ol {
            padding-left: 24px;
            margin-bottom: 1.2em;
        }
        .article-content h2 { font-size: 24px; font-weight: 700; margin: 32px 0 16px; color: var(--text-dark); }
        .article-content h3 { font-size: 20px; font-weight: 600; margin: 28px 0 12px; color: var(--text-dark); }

        .article-not-found {
            text-align: center;
            padding: 80px 20px;
        }
        .article-not-found .icon {
            font-size: 56px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .article-not-found h3 { font-size: 24px; font-weight: 600; color: var(--text-dark); margin-bottom: 12px; }
        .article-not-found p { color: var(--text-muted); margin-bottom: 24px; }

        .btn-back-list {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            background: var(--bg-light);
            border-radius: var(--radius-sm);
            color: var(--text-dark);
            font-weight: 500;
            transition: var(--transition);
        }
        .btn-back-list:hover { background: var(--primary); color: #fff; }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 60px 0 80px;
            background: var(--bg-light);
        }
        .related-section .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 32px;
            text-align: center;
        }

        .related-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .related-card .card-img {
            aspect-ratio: 16/9;
            object-fit: cover;
            background: var(--border);
            width: 100%;
        }
        .related-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .related-card .card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-text {
            font-size: 13px;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .related-card .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }
        .related-card .card-meta .badge {
            background: rgba(255,111,0,0.12);
            color: var(--primary);
            font-weight: 500;
            font-size: 11px;
            padding: 2px 12px;
            border-radius: 10px;
        }

        .related-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
            font-size: 15px;
        }

        /* ===== 底部返回 ===== */
        .article-footer-nav {
            text-align: center;
            margin-top: 48px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.85);
            padding: 60px 0 30px;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-icon {
            width: 40px;
            height: 40px;
            font-size: 22px;
        }
        .site-footer .footer-brand .brand-name {
            font-size: 20px;
            color: #fff;
        }
        .site-footer .footer-brand .brand-name span { color: var(--primary); }
        .site-footer .footer-about p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255,255,255,0.7);
        }
        .site-footer h5 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer ul { list-style: none; padding: 0; margin: 0; }
        .site-footer ul li { margin-bottom: 10px; }
        .site-footer ul li a {
            color: rgba(255,255,255,0.7);
            font-size: 14px;
            transition: var(--transition);
        }
        .site-footer ul li a:hover { color: var(--primary); padding-left: 4px; }
        .site-footer .footer-contact p {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer .footer-contact i { width: 18px; color: var(--primary); }
        .site-footer .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }
        .site-footer .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: rgba(255,255,255,0.08);
            border-radius: 50%;
            color: rgba(255,255,255,0.8);
            font-size: 16px;
            transition: var(--transition);
        }
        .site-footer .footer-social a:hover { background: var(--primary); color: #fff; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 24px;
            margin-top: 40px;
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,0.5);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .search-wrap { width: 160px; }
            .hot-tags { display: none; }
            .article-header h1 { font-size: 26px; }
        }

        @media (max-width: 767px) {
            .header-inner { padding: 8px 0; }
            .brand-name { font-size: 18px; }
            .search-wrap { width: 140px; }
            .search-wrap .form-control { padding: 4px 12px 4px 32px; font-size: 12px; }
            .search-wrap .search-icon { left: 10px; font-size: 12px; }

            .article-section { padding: 40px 0 60px; }
            .article-header h1 { font-size: 22px; }
            .article-content { font-size: 15px; }
            .article-meta { gap: 12px; font-size: 13px; }
            .related-section .section-title { font-size: 22px; }
            .related-card .card-body { padding: 16px; }
            .related-card .card-title { font-size: 15px; }

            .site-footer { padding: 40px 0 20px; }
            .site-footer .footer-brand .brand-name { font-size: 18px; }
        }

        @media (max-width: 520px) {
            .header-actions { gap: 8px; }
            .search-wrap { width: 100px; }
            .article-header h1 { font-size: 20px; }
            .article-content { font-size: 14px; }
            .breadcrumb-bar .breadcrumb { font-size: 12px; flex-wrap: wrap; }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #FF6F00;
            --primary-dark: #E65100;
            --secondary: #1B5E20;
            --secondary-light: #2E7D32;
            --gold: #FFB300;
            --white: #FFFFFF;
            --off-white: #F5F5F5;
            --light-gray: #E0E0E0;
            --medium-gray: #9E9E9E;
            --dark-gray: #212121;
            --text-primary: #212121;
            --text-secondary: #616161;
            --text-light: #9E9E9E;
            --bg-dark: #0B1D11;
            --bg-light: #F5F5F5;
            --bg-card: #FFFFFF;
            --border-color: #E8E8E8;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.15);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            opacity: 0;
            animation: fadeIn 0.5s forwards;
        }
        @keyframes fadeIn {
            to {
                opacity: 1;
            }
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        ul,
        ol {
            padding-left: 0;
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
            margin-bottom: 0.75rem;
            color: var(--dark-gray);
        }
        h1 {
            font-size: 48px;
        }
        h2 {
            font-size: 36px;
        }
        h3 {
            font-size: 28px;
        }
        h4 {
            font-size: 20px;
        }
        p {
            margin-top: 0;
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }
        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-padding {
            padding-top: 80px;
            padding-bottom: 80px;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 36px;
            margin-bottom: 16px;
            color: var(--dark-gray);
        }
        .section-title p {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto;
        }

        /* ===== Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1020;
            background: var(--white);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
            transition: box-shadow var(--transition-normal);
        }
        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .site-logo .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: var(--white);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
        }
        .site-logo .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--secondary);
        }
        .site-logo .brand-text span {
            color: var(--primary);
            font-weight: 400;
        }
        .nav-channel {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-channel .nav-link {
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            position: relative;
        }
        .nav-channel .nav-link:hover {
            color: var(--primary);
            background: rgba(255, 111, 0, 0.06);
        }
        .nav-channel .nav-link.active {
            color: var(--primary);
            background: rgba(255, 111, 0, 0.1);
        }
        .nav-channel .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search {
            position: relative;
            width: 200px;
        }
        .nav-search .form-control {
            height: 40px;
            border-radius: 20px;
            border: 1.5px solid var(--border-color);
            padding-left: 40px;
            font-size: 14px;
            background: var(--off-white);
            transition: all var(--transition-fast);
        }
        .nav-search .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 111, 0, 0.15);
            background: var(--white);
        }
        .nav-search .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--medium-gray);
            font-size: 14px;
            pointer-events: none;
        }
        .nav-hot {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .nav-hot::-webkit-scrollbar {
            display: none;
        }
        .nav-hot .hot-label {
            font-size: 12px;
            color: var(--medium-gray);
            white-space: nowrap;
            font-weight: 500;
        }
        .nav-hot .hot-tag {
            font-size: 12px;
            padding: 2px 12px;
            background: var(--off-white);
            border-radius: 12px;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .nav-hot .hot-tag:hover {
            background: rgba(255, 111, 0, 0.12);
            color: var(--primary);
        }
        .navbar-toggler {
            border: none;
            background: transparent;
            font-size: 24px;
            color: var(--dark-gray);
            padding: 4px 8px;
            display: none;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            background: var(--white);
            border-top: 1px solid var(--border-color);
            padding: 12px 24px;
        }
        .mobile-nav .nav-link {
            display: block;
            padding: 10px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-color);
        }
        .mobile-nav .nav-link:last-child {
            border-bottom: none;
        }
        .mobile-nav .nav-link.active {
            color: var(--primary);
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .page-hero .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.5;
        }
        .page-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(11, 29, 17, 0.85) 0%, rgba(0, 0, 0, 0.3) 60%, transparent 100%);
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 24px;
            max-width: 800px;
        }
        .page-hero .hero-content h1 {
            font-size: 44px;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .page-hero .hero-content p {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0;
            font-weight: 400;
        }

        /* ===== Brand Story ===== */
        .brand-story {
            background: var(--white);
        }
        .brand-story .story-wrap {
            display: flex;
            align-items: center;
            gap: 48px;
        }
        .brand-story .story-image {
            flex: 0 0 45%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .brand-story .story-image img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }
        .brand-story .story-text {
            flex: 1;
        }
        .brand-story .story-text h3 {
            font-size: 28px;
            margin-bottom: 20px;
            color: var(--dark-gray);
        }
        .brand-story .story-text p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        /* ===== Core Advantages ===== */
        .core-advantages {
            background: var(--bg-light);
        }
        .advantage-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 24px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            height: 100%;
            border: 1px solid rgba(0, 0, 0, 0.04);
        }
        .advantage-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .advantage-card .adv-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--white);
        }
        .advantage-card h4 {
            font-size: 20px;
            margin-bottom: 12px;
            color: var(--dark-gray);
        }
        .advantage-card p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== Milestones ===== */
        .milestones {
            background: var(--bg-dark);
            color: var(--white);
        }
        .milestones .section-title h2 {
            color: var(--white);
        }
        .milestones .section-title p {
            color: rgba(255, 255, 255, 0.7);
        }
        .milestone-item {
            text-align: center;
            padding: 24px 16px;
        }
        .milestone-item .num {
            font-size: 48px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .milestone-item .num span {
            font-size: 28px;
            font-weight: 400;
        }
        .milestone-item .label {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 400;
        }

        /* ===== Features ===== */
        .features {
            background: var(--white);
        }
        .feature-item {
            display: flex;
            gap: 20px;
            padding: 24px 20px;
            border-radius: var(--radius-md);
            background: var(--bg-light);
            transition: all var(--transition-normal);
            height: 100%;
            border: 1px solid transparent;
        }
        .feature-item:hover {
            background: var(--white);
            border-color: var(--border-color);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .feature-item .feat-icon {
            flex: 0 0 52px;
            width: 52px;
            height: 52px;
            background: linear-gradient(135deg, var(--primary), var(--gold));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--white);
        }
        .feature-item .feat-text h4 {
            font-size: 18px;
            margin-bottom: 6px;
            color: var(--dark-gray);
        }
        .feature-item .feat-text p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== Timeline ===== */
        .timeline-section {
            background: var(--bg-light);
        }
        .timeline {
            position: relative;
            padding: 20px 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            transform: translateX(-50%);
            border-radius: 2px;
        }
        .timeline-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 40px;
            position: relative;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item .tl-dot {
            flex: 0 0 20px;
            width: 20px;
            height: 20px;
            background: var(--primary);
            border-radius: 50%;
            position: absolute;
            left: 50%;
            top: 6px;
            transform: translateX(-50%);
            z-index: 2;
            border: 4px solid var(--white);
            box-shadow: 0 0 0 3px var(--primary);
        }
        .timeline-item .tl-left,
        .timeline-item .tl-right {
            flex: 0 0 45%;
            max-width: 45%;
        }
        .timeline-item .tl-left {
            text-align: right;
            padding-right: 40px;
        }
        .timeline-item .tl-right {
            text-align: left;
            padding-left: 40px;
            margin-left: auto;
        }
        .timeline-item .tl-year {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .timeline-item .tl-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            text-align: center;
            padding: 72px 0;
        }
        .cta-section h2 {
            font-size: 36px;
            color: var(--white);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-cta-primary {
            padding: 14px 40px;
            font-size: 17px;
            font-weight: 600;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--white);
            color: var(--primary);
            transition: all var(--transition-fast);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-cta-primary:hover {
            background: var(--off-white);
            transform: scale(1.02);
            color: var(--primary-dark);
        }
        .btn-cta-primary:active {
            transform: scale(0.98);
        }
        .btn-cta-secondary {
            padding: 14px 40px;
            font-size: 17px;
            font-weight: 600;
            border: 2px solid var(--white);
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--white);
            transition: all var(--transition-fast);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-cta-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
            color: var(--white);
            transform: scale(1.02);
        }
        .btn-cta-secondary:active {
            transform: scale(0.98);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 30px;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: var(--white);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
        }
        .site-footer .footer-brand .brand-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--white);
        }
        .site-footer .footer-brand .brand-name span {
            color: var(--primary);
            font-weight: 400;
        }
        .site-footer .footer-about p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .site-footer h5 {
            font-size: 16px;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 16px;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-fast);
        }
        .site-footer ul li a:hover {
            color: var(--primary);
        }
        .site-footer .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer .footer-contact p i {
            width: 16px;
            color: var(--primary);
        }
        .site-footer .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 12px;
        }
        .site-footer .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            transition: all var(--transition-fast);
        }
        .site-footer .footer-social a:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-2px);
        }
        .site-footer .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .nav-channel,
            .nav-actions {
                display: none !important;
            }
            .navbar-toggler {
                display: block;
            }
            .mobile-nav.show {
                display: block;
            }
            .brand-story .story-wrap {
                flex-direction: column;
                gap: 32px;
            }
            .brand-story .story-image {
                flex: 0 0 100%;
                width: 100%;
            }
            .page-hero .hero-content h1 {
                font-size: 34px;
            }
            .page-hero .hero-content p {
                font-size: 17px;
            }
            .timeline::before {
                left: 20px;
            }
            .timeline-item .tl-dot {
                left: 20px;
            }
            .timeline-item .tl-left,
            .timeline-item .tl-right {
                flex: 0 0 100%;
                max-width: 100%;
                padding-left: 50px;
                padding-right: 0;
                text-align: left;
            }
            .timeline-item .tl-left {
                margin-bottom: 8px;
            }
            .timeline-item .tl-right {
                margin-left: 0;
            }
            .section-padding {
                padding-top: 56px;
                padding-bottom: 56px;
            }
            h1 {
                font-size: 36px;
            }
            h2 {
                font-size: 28px;
            }
            h3 {
                font-size: 22px;
            }
            .section-title h2 {
                font-size: 28px;
            }
            .milestone-item .num {
                font-size: 36px;
            }
        }
        @media (max-width: 767px) {
            .site-header .header-inner {
                padding: 0 16px;
            }
            .page-hero {
                min-height: 240px;
            }
            .page-hero .hero-content h1 {
                font-size: 28px;
            }
            .page-hero .hero-content p {
                font-size: 15px;
            }
            .page-hero .hero-content {
                padding: 40px 16px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-padding {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .section-title h2 {
                font-size: 24px;
            }
            .advantage-card {
                padding: 24px 16px 20px;
            }
            .advantage-card .adv-icon {
                width: 52px;
                height: 52px;
                font-size: 22px;
            }
            .feature-item {
                flex-direction: column;
                align-items: center;
                text-align: center;
                padding: 20px 16px;
            }
            .feature-item .feat-icon {
                flex: 0 0 44px;
                width: 44px;
                height: 44px;
                font-size: 18px;
            }
            .milestone-item .num {
                font-size: 32px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section p {
                font-size: 15px;
            }
            .btn-cta-primary,
            .btn-cta-secondary {
                padding: 12px 28px;
                font-size: 15px;
            }
            .timeline-item .tl-year {
                font-size: 18px;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
            .site-footer .footer-bottom {
                font-size: 12px;
            }
        }
        @media (max-width: 520px) {
            .page-hero .hero-content h1 {
                font-size: 24px;
            }
            .page-hero .hero-content p {
                font-size: 14px;
            }
            h2 {
                font-size: 22px;
            }
            .section-title h2 {
                font-size: 22px;
            }
            .brand-story .story-text h3 {
                font-size: 20px;
            }
            .cta-section .btn-group {
                flex-direction: column;
                align-items: center;
            }
        }

/* roulang page: category2 */
/* ===== Design Variables ===== */
        :root {
            --primary: #FF6F00;
            --primary-dark: #E65A00;
            --secondary: #1B5E20;
            --secondary-light: #2E7D32;
            --accent-gold: #FFB300;
            --bg-dark: #0B1D11;
            --bg-light: #F5F5F5;
            --bg-white: #FFFFFF;
            --text-primary: #212121;
            --text-secondary: #616161;
            --text-light: #9E9E9E;
            --text-white: #FFFFFF;
            --border-color: #E0E0E0;
            --radius-card: 16px;
            --radius-btn: 8px;
            --shadow-card: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-card-hover: 0 8px 30px rgba(0,0,0,0.15);
            --transition-base: 0.3s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-primary);
            background: var(--bg-white);
            opacity: 0;
            animation: fadeIn 0.5s forwards;
        }
        @keyframes fadeIn { to { opacity: 1; } }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition-base); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; }
        ul { list-style: none; padding: 0; margin: 0; }
        .container { max-width: var(--container-max); padding-left: 24px; padding-right: 24px; margin: 0 auto; }
        .section-padding { padding-top: 80px; padding-bottom: 80px; }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky; top: 0; z-index: 1020;
            background: var(--bg-white);
            box-shadow: 0 2px 16px rgba(0,0,0,0.06);
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            padding: 12px 0;
            flex-wrap: wrap;
        }
        .header-brand {
            display: flex; align-items: center; gap: 10px;
        }
        .brand-icon {
            width: 40px; height: 40px; border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff; font-size: 22px; font-weight: 700;
            display: flex; align-items: center; justify-content: center;
        }
        .brand-text {
            font-size: 22px; font-weight: 700; color: var(--secondary);
            letter-spacing: 0.5px;
        }
        .brand-text span { color: var(--primary); font-weight: 300; }

        .nav-channel {
            display: flex; gap: 8px; align-items: center;
        }
        .nav-channel .nav-link {
            font-size: 14px; font-weight: 500; color: var(--text-secondary);
            padding: 8px 18px; border-radius: 20px;
            transition: all var(--transition-base);
            position: relative;
        }
        .nav-channel .nav-link:hover {
            color: var(--primary);
            background: rgba(255,111,0,0.06);
        }
        .nav-channel .nav-link.active {
            color: var(--primary);
            background: rgba(255,111,0,0.10);
            font-weight: 600;
        }
        .nav-channel .nav-link.active::after {
            content: ''; display: block; height: 3px; width: 24px;
            background: var(--primary); border-radius: 2px;
            margin: 4px auto 0;
        }

        .header-right {
            display: flex; align-items: center; gap: 16px;
        }
        .search-box {
            display: flex; align-items: center;
            background: var(--bg-light); border-radius: 20px;
            padding: 0 16px; border: 1px solid transparent;
            transition: border var(--transition-base);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            background: var(--bg-white);
        }
        .search-box input {
            border: none; background: transparent;
            padding: 8px 8px; font-size: 13px; outline: none;
            width: 140px; color: var(--text-primary);
        }
        .search-box input::placeholder { color: var(--text-light); }
        .search-box i { color: var(--text-light); font-size: 14px; }
        .hot-tags {
            display: flex; gap: 6px; align-items: center;
            font-size: 12px;
        }
        .hot-tags span { color: var(--text-light); white-space: nowrap; }
        .hot-tags a {
            background: var(--bg-light); padding: 4px 12px;
            border-radius: 12px; color: var(--text-secondary);
            font-size: 12px; transition: all var(--transition-base);
            white-space: nowrap;
        }
        .hot-tags a:hover { background: rgba(255,111,0,0.12); color: var(--primary); }

        .navbar-toggler-custom {
            background: none; border: 1px solid var(--border-color);
            border-radius: 8px; padding: 8px 12px;
            color: var(--text-primary); font-size: 18px;
            cursor: pointer; display: none;
        }

        /* Mobile Nav */
        .mobile-nav {
            display: none; width: 100%;
            background: var(--bg-white); padding: 12px 0 16px;
            border-top: 1px solid var(--border-color);
        }
        .mobile-nav.open { display: block; }
        .mobile-nav .nav-link {
            display: block; padding: 10px 0; font-size: 15px;
            color: var(--text-secondary); border-bottom: 1px solid var(--border-color);
        }
        .mobile-nav .nav-link:last-child { border-bottom: none; }
        .mobile-nav .nav-link.active { color: var(--primary); font-weight: 600; }

        /* ===== FAQ Hero ===== */
        .faq-hero {
            position: relative;
            background: linear-gradient(135deg, var(--bg-dark) 0%, #162e1f 100%);
            min-height: 280px;
            display: flex; align-items: center;
            overflow: hidden;
        }
        .faq-hero::before {
            content: '';
            position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.20;
            mix-blend-mode: overlay;
        }
        .faq-hero .container { position: relative; z-index: 2; text-align: center; }
        .faq-hero h1 {
            font-size: 48px; font-weight: 700; color: var(--text-white);
            margin-bottom: 12px; letter-spacing: 1px;
        }
        .faq-hero p {
            font-size: 20px; color: rgba(255,255,255,0.85);
            max-width: 600px; margin: 0 auto;
        }
        .faq-hero .breadcrumb-custom {
            font-size: 14px; color: rgba(255,255,255,0.6);
            margin-bottom: 20px;
        }
        .faq-hero .breadcrumb-custom a { color: rgba(255,255,255,0.7); }
        .faq-hero .breadcrumb-custom a:hover { color: var(--accent-gold); }
        .faq-hero .breadcrumb-custom span { color: var(--accent-gold); }

        /* ===== Quick Help Cards ===== */
        .quick-help {
            background: var(--bg-light);
            padding: 60px 0;
        }
        .quick-help .help-card {
            background: var(--bg-white); border-radius: var(--radius-card);
            padding: 32px 24px; text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            height: 100%;
            border: 1px solid rgba(0,0,0,0.04);
        }
        .quick-help .help-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }
        .quick-help .help-card .icon {
            width: 64px; height: 64px; border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent-gold));
            display: flex; align-items: center; justify-content: center;
            margin: 0 auto 18px; font-size: 28px; color: #fff;
        }
        .quick-help .help-card h4 {
            font-size: 20px; font-weight: 600; color: var(--text-primary);
            margin-bottom: 8px;
        }
        .quick-help .help-card p {
            font-size: 14px; color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            background: var(--bg-white);
            padding: 80px 0;
        }
        .faq-section .section-title {
            text-align: center; margin-bottom: 48px;
        }
        .faq-section .section-title h2 {
            font-size: 36px; font-weight: 700; color: var(--text-primary);
            margin-bottom: 12px;
        }
        .faq-section .section-title p {
            font-size: 16px; color: var(--text-secondary);
            max-width: 600px; margin: 0 auto;
        }

        .accordion-custom .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: 12px !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0,0,0,0.04);
        }
        .accordion-custom .accordion-button {
            font-size: 16px; font-weight: 500; color: var(--text-primary);
            padding: 18px 24px;
            background: var(--bg-white);
            box-shadow: none !important;
            border-radius: 12px !important;
            transition: background var(--transition-base);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(255,111,0,0.05);
            color: var(--primary);
            font-weight: 600;
        }
        .accordion-custom .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23FF6F00' viewBox='0 0 16 16'%3E%3Cpath d='M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4z'/%3E%3C/svg%3E");
            transition: transform var(--transition-base);
        }
        .accordion-custom .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23FF6F00' viewBox='0 0 16 16'%3E%3Cpath d='M4 8a.5.5 0 0 1 .5-.5h7a.5.5 0 0 1 0 1h-7A.5.5 0 0 1 4 8z'/%3E%3C/svg%3E");
        }
        .accordion-custom .accordion-body {
            padding: 18px 24px 24px;
            font-size: 15px; color: var(--text-secondary);
            line-height: 1.8;
            background: var(--bg-white);
            border-top: 1px solid rgba(0,0,0,0.04);
        }
        .accordion-custom .accordion-body strong {
            color: var(--primary);
        }

        /* ===== Contact Form Section ===== */
        .contact-section {
            background: var(--bg-light);
            padding: 80px 0;
        }
        .contact-section .contact-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            box-shadow: var(--shadow-card);
            max-width: 700px; margin: 0 auto;
        }
        .contact-section .contact-card h3 {
            font-size: 28px; font-weight: 700; color: var(--text-primary);
            text-align: center; margin-bottom: 8px;
        }
        .contact-section .contact-card .sub {
            text-align: center; color: var(--text-secondary);
            margin-bottom: 32px; font-size: 15px;
        }
        .contact-section .form-control {
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-color);
            padding: 12px 16px; font-size: 14px;
            transition: border var(--transition-base), box-shadow var(--transition-base);
        }
        .contact-section .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255,111,0,0.12);
        }
        .contact-section .form-control::placeholder { color: var(--text-light); }
        .contact-section textarea.form-control { min-height: 120px; resize: vertical; }
        .contact-section .btn-submit {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff; border: none; border-radius: var(--radius-btn);
            padding: 14px 40px; font-size: 16px; font-weight: 600;
            width: 100%; transition: all var(--transition-base);
            cursor: pointer;
        }
        .contact-section .btn-submit:hover {
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            transform: scale(1.01);
        }
        .contact-section .btn-submit:active {
            transform: scale(0.98);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.85);
            padding: 60px 0 0;
        }
        .site-footer .footer-brand {
            display: flex; align-items: center; gap: 12px; margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-icon {
            width: 44px; height: 44px; font-size: 26px; border-radius: 12px;
        }
        .site-footer .footer-brand .brand-name {
            font-size: 24px; font-weight: 700; color: #fff;
        }
        .site-footer .footer-brand .brand-name span { color: var(--primary); }
        .site-footer .footer-about p {
            font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.7);
        }
        .site-footer h5 {
            font-size: 16px; font-weight: 600; color: #fff;
            margin-bottom: 18px; position: relative;
            padding-bottom: 10px;
        }
        .site-footer h5::after {
            content: ''; display: block; width: 30px; height: 3px;
            background: var(--primary); border-radius: 2px; margin-top: 8px;
        }
        .site-footer ul li { margin-bottom: 10px; }
        .site-footer ul li a {
            font-size: 14px; color: rgba(255,255,255,0.65);
            transition: color var(--transition-base);
        }
        .site-footer ul li a:hover { color: var(--primary); }
        .site-footer .footer-contact p {
            font-size: 14px; color: rgba(255,255,255,0.7);
            margin-bottom: 8px;
        }
        .site-footer .footer-contact p i {
            width: 24px; color: var(--primary); margin-right: 4px;
        }
        .site-footer .footer-social {
            display: flex; gap: 16px; margin-top: 16px;
        }
        .site-footer .footer-social a {
            width: 40px; height: 40px; border-radius: 50%;
            background: rgba(255,255,255,0.08);
            display: flex; align-items: center; justify-content: center;
            color: rgba(255,255,255,0.7); font-size: 18px;
            transition: all var(--transition-base);
        }
        .site-footer .footer-social a:hover {
            background: var(--primary); color: #fff; transform: translateY(-3px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 20px 0; margin-top: 40px;
            text-align: center; font-size: 13px; color: rgba(255,255,255,0.5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .nav-channel { display: none !important; }
            .navbar-toggler-custom { display: block; }
            .header-right { gap: 10px; }
            .search-box input { width: 100px; }
            .hot-tags { display: none; }
            .faq-hero h1 { font-size: 36px; }
            .faq-hero p { font-size: 17px; }
            .faq-section .section-title h2 { font-size: 28px; }
            .contact-section .contact-card { padding: 32px 24px; }
            .section-padding { padding-top: 48px; padding-bottom: 48px; }
        }

        @media (max-width: 767px) {
            .header-inner { padding: 10px 0; }
            .brand-text { font-size: 18px; }
            .brand-icon { width: 34px; height: 34px; font-size: 18px; }
            .search-box { display: none; }
            .faq-hero { min-height: 200px; }
            .faq-hero h1 { font-size: 28px; }
            .faq-hero p { font-size: 15px; }
            .quick-help .help-card { padding: 24px 16px; }
            .quick-help .help-card .icon { width: 52px; height: 52px; font-size: 22px; }
            .faq-section { padding: 48px 0; }
            .faq-section .section-title h2 { font-size: 24px; }
            .accordion-custom .accordion-button { font-size: 14px; padding: 14px 18px; }
            .accordion-custom .accordion-body { font-size: 14px; padding: 14px 18px 18px; }
            .contact-section { padding: 48px 0; }
            .contact-section .contact-card { padding: 24px 18px; }
            .contact-section .contact-card h3 { font-size: 22px; }
            .site-footer { padding: 40px 0 0; }
            .footer-bottom { margin-top: 24px; }
            .section-padding { padding-top: 32px; padding-bottom: 32px; }
            .container { padding-left: 16px; padding-right: 16px; }
        }

        @media (max-width: 520px) {
            .faq-hero h1 { font-size: 24px; }
            .faq-hero p { font-size: 14px; }
            .quick-help .help-card h4 { font-size: 17px; }
            .brand-text { font-size: 16px; }
            .brand-icon { width: 30px; height: 30px; font-size: 16px; }
        }