/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #0f1b2d;
            --primary-light: #1a2d4a;
            --primary-dark: #070f1a;
            --accent: #f0b90b;
            --accent-hover: #d4a309;
            --accent-light: #fce68a;
            --bg-dark: #0a1628;
            --bg-light: #f8f9fc;
            --bg-card: #ffffff;
            --text-light: #ffffff;
            --text-dark: #1a1a2e;
            --text-muted: #6c7a8d;
            --text-body: #2d3748;
            --border: #e2e8f0;
            --border-light: #f0f2f5;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --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 40px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.18);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --container-width: 1200px;
            --header-height: 72px;
            --nav-top-height: 40px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-dark);
        }
        h1 {
            font-size: 2.8rem;
        }
        h2 {
            font-size: 2.2rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
        }
        p {
            margin-bottom: 1rem;
        }

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

        /* ===== Section Spacing ===== */
        .section-padding {
            padding: 80px 0;
        }
        .section-padding-sm {
            padding: 48px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            position: relative;
            display: inline-block;
            margin-bottom: 12px;
        }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
            margin: 12px auto 0;
        }
        .section-title p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 16px auto 0;
        }

        /* ===== Header & Top Bar ===== */
        .top-bar {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.85rem;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px 16px;
        }
        .top-bar .hot-tags {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .top-bar .hot-tags .label {
            color: var(--accent);
            font-weight: 600;
            margin-right: 4px;
        }
        .top-bar .hot-tags a {
            color: rgba(255, 255, 255, 0.75);
            padding: 2px 10px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.08);
            font-size: 0.8rem;
            transition: var(--transition);
        }
        .top-bar .hot-tags a:hover {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .top-bar .top-info {
            display: flex;
            align-items: center;
            gap: 16px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.8rem;
        }
        .top-bar .top-info i {
            margin-right: 4px;
            color: var(--accent);
        }

        /* ===== Header / Nav ===== */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 27, 45, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }
        .logo i {
            color: var(--accent);
            font-size: 1.8rem;
        }
        .logo span {
            background: linear-gradient(135deg, var(--accent), #f7d94e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo:hover {
            color: var(--text-light);
        }

        /* Navigation */
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-menu a {
            color: rgba(255, 255, 255, 0.8);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .nav-menu a:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-menu a.active {
            color: var(--text-light);
            background: rgba(240, 185, 11, 0.15);
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 0 16px;
            margin-left: 12px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .nav-search:focus-within {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--accent);
        }
        .nav-search input {
            background: transparent;
            border: none;
            color: var(--text-light);
            padding: 8px 8px 8px 0;
            font-size: 0.9rem;
            width: 120px;
            transition: var(--transition);
        }
        .nav-search input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .nav-search button {
            color: rgba(255, 255, 255, 0.6);
            padding: 8px 0 8px 8px;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .nav-search button:hover {
            color: var(--accent);
        }

        /* Mobile Toggle */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.6rem;
            padding: 4px;
            cursor: pointer;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            color: var(--accent);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.6;
            transform: scale(1.05);
            transition: transform 8s ease;
        }
        .hero:hover .hero-bg {
            transform: scale(1);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 22, 40, 0.88) 0%, rgba(10, 22, 40, 0.6) 50%, rgba(10, 22, 40, 0.85) 100%);
        }
        .hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 60px 24px;
        }
        .hero-content {
            max-width: 700px;
        }
        .hero-content .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(240, 185, 11, 0.18);
            color: var(--accent);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(240, 185, 11, 0.2);
        }
        .hero-content .badge i {
            font-size: 0.75rem;
        }
        .hero-content h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--text-light);
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .hero-content h1 .highlight {
            color: var(--accent);
        }
        .hero-content p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 580px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            border: 2px solid transparent;
            text-align: center;
            justify-content: center;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(240, 185, 11, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-light);
            border-color: rgba(255, 255, 255, 0.3);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.5);
            color: var(--text-light);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 1.1rem;
            border-radius: var(--radius-md);
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            flex-wrap: wrap;
        }
        .hero-stats .stat-item {
            text-align: center;
        }
        .hero-stats .stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .hero-stats .stat-item .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

        /* ===== Features Section ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent-light);
        }
        .feature-card .icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(240, 185, 11, 0.12), rgba(240, 185, 11, 0.05));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.6rem;
            color: var(--accent);
            transition: var(--transition);
        }
        .feature-card:hover .icon {
            background: var(--accent);
            color: var(--primary-dark);
            transform: scale(1.05);
        }
        .feature-card h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== Category Section ===== */
        .category-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .category-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(240, 185, 11, 0.05), transparent 70%);
            pointer-events: none;
        }
        .category-section .section-title h2 {
            color: var(--text-light);
        }
        .category-section .section-title p {
            color: rgba(255, 255, 255, 0.6);
        }
        .category-section .section-title h2::after {
            background: var(--accent);
        }
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--primary-light);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
            min-height: 260px;
            display: flex;
            align-items: stretch;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
            border-color: rgba(240, 185, 11, 0.2);
        }
        .category-card .card-img {
            width: 45%;
            flex-shrink: 0;
            overflow: hidden;
            position: relative;
        }
        .category-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .category-card:hover .card-img img {
            transform: scale(1.06);
        }
        .category-card .card-img .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, transparent 40%, rgba(15, 27, 45, 0.9) 100%);
        }
        .category-card .card-body {
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex: 1;
        }
        .category-card .card-body .tag {
            display: inline-block;
            background: rgba(240, 185, 11, 0.15);
            color: var(--accent);
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .category-card .card-body h3 {
            color: var(--text-light);
            font-size: 1.3rem;
            margin-bottom: 8px;
        }
        .category-card .card-body p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .category-card .card-body .btn-link {
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            align-self: flex-start;
            transition: var(--transition);
        }
        .category-card .card-body .btn-link:hover {
            gap: 12px;
            color: var(--accent-hover);
        }

        /* ===== Latest News Section ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent-light);
        }
        .news-card .card-top {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: var(--primary-light);
        }
        .news-card .card-top img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .news-card:hover .card-top img {
            transform: scale(1.06);
        }
        .news-card .card-top .cat-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: var(--primary-dark);
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 700;
            z-index: 2;
        }
        .news-card .card-body {
            padding: 20px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-body h3 {
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: var(--text-dark);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
        }
        .news-card .card-body h3 a {
            color: inherit;
        }
        .news-card .card-body h3 a:hover {
            color: var(--accent-hover);
        }
        .news-card .card-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .card-body .meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
        }
        .news-card .card-body .meta .date i {
            margin-right: 4px;
        }
        .news-card .card-body .meta .more-link {
            color: var(--primary-light);
            font-weight: 500;
            font-size: 0.82rem;
        }
        .news-card .card-body .meta .more-link:hover {
            color: var(--accent-hover);
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            font-size: 1.05rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border);
        }
        .news-empty i {
            font-size: 2.4rem;
            color: var(--border);
            margin-bottom: 16px;
            display: block;
        }

        /* ===== Data Stats Section ===== */
        .stats-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .stats-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(240, 185, 11, 0.04), transparent 70%);
            pointer-events: none;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 2;
        }
        .stat-card {
            text-align: center;
            padding: 40px 20px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(240, 185, 11, 0.15);
            transform: translateY(-4px);
        }
        .stat-card .num {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-card .num .suffix {
            font-size: 1.6rem;
        }
        .stat-card .label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.6);
            font-weight: 500;
        }

        /* ===== Steps / Process ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .step-card .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: var(--primary-dark);
            font-size: 1.2rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
            z-index: 2;
        }
        .step-card .step-num::after {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            border: 2px dashed rgba(240, 185, 11, 0.2);
            animation: spin 12s linear infinite;
        }
        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }
        .step-card h3 {
            font-size: 1.1rem;
            margin-bottom: 6px;
            color: var(--text-dark);
        }
        .step-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .step-connector {
            display: none;
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            background: var(--bg-light);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            background: transparent;
            text-align: left;
            transition: var(--transition);
            gap: 12px;
        }
        .faq-item .faq-question:hover {
            color: var(--accent-hover);
        }
        .faq-item .faq-question i {
            color: var(--accent);
            font-size: 0.85rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 20px;
        }
        .cta-content h2 {
            color: var(--text-light);
            font-size: 2.2rem;
            margin-bottom: 12px;
        }
        .cta-content p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 1.1rem;
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-content .btn-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.65);
            padding: 56px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .logo {
            font-size: 1.3rem;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
            max-width: 320px;
            line-height: 1.7;
        }
        .footer-col h4 {
            color: var(--text-light);
            font-size: 1rem;
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-bottom .social-links {
            display: flex;
            gap: 12px;
        }
        .footer-bottom .social-links a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }
        .footer-bottom .social-links a:hover {
            background: var(--accent);
            color: var(--primary-dark);
        }

        /* ===== Scroll to Top ===== */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            box-shadow: 0 4px 20px rgba(240, 185, 11, 0.3);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: var(--transition);
            border: none;
        }
        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .scroll-top:hover {
            background: var(--accent-hover);
            transform: translateY(-4px);
            box-shadow: 0 8px 30px rgba(240, 185, 11, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-content h1 {
                font-size: 2.6rem;
            }
        }

        @media (max-width: 768px) {
            .top-bar .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .top-bar .hot-tags {
                width: 100%;
            }
            .top-bar .top-info {
                width: 100%;
                justify-content: flex-start;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15, 27, 45, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 16px 24px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
                gap: 2px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px 16px;
                font-size: 1rem;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-menu a.active::after {
                display: none;
            }
            .nav-menu a.active {
                background: rgba(240, 185, 11, 0.12);
            }
            .nav-search {
                margin-left: 0;
                width: 100%;
                margin-top: 8px;
            }
            .nav-search input {
                width: 100%;
            }
            .mobile-toggle {
                display: block;
            }
            .hero {
                min-height: 480px;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stats .stat-item .num {
                font-size: 1.6rem;
            }
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .category-card {
                flex-direction: column;
                min-height: auto;
            }
            .category-card .card-img {
                width: 100%;
                height: 180px;
            }
            .category-card .card-img .overlay {
                background: linear-gradient(to top, rgba(15, 27, 45, 0.9) 0%, transparent 60%);
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 24px 16px;
            }
            .feature-card .icon {
                width: 52px;
                height: 52px;
                font-size: 1.3rem;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-card {
                padding: 24px 16px;
            }
            .stat-card .num {
                font-size: 2rem;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .step-card {
                padding: 24px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-content h2 {
                font-size: 1.6rem;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card .num {
                font-size: 1.6rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .section-title h2 {
                font-size: 1.4rem;
            }
            .faq-item .faq-question {
                padding: 14px 16px;
                font-size: 0.92rem;
            }
            .faq-item .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.88rem;
            }
            .footer-grid {
                gap: 24px;
            }
            .cta-content {
                padding: 40px 16px;
            }
            .cta-content .btn-group {
                flex-direction: column;
                width: 100%;
            }
            .cta-content .btn-group .btn {
                width: 100%;
            }
        }

        /* ===== Focus & Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 8px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mt-4 {
            margin-top: 32px;
        }
        .mb-1 {
            margin-bottom: 8px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .mb-3 {
            margin-bottom: 24px;
        }
        .mb-4 {
            margin-bottom: 32px;
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a3a8a;
            --primary-light: #2a5ac8;
            --primary-dark: #0f1f4a;
            --secondary: #e8b830;
            --secondary-light: #f0d060;
            --secondary-dark: #c49a20;
            --accent: #ff6b35;
            --bg-dark: #0b1428;
            --bg-card: #111d3a;
            --bg-section: #0f1a30;
            --bg-light: #f4f6fc;
            --text-primary: #e8edf5;
            --text-body: #c8d0e0;
            --text-muted: #8899b8;
            --text-dark: #1a2a4a;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 70px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-dark);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary-light);
        }
        a:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / 导航 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: rgba(11, 20, 40, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .header.scrolled {
            background: rgba(11, 20, 40, 0.98);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo i {
            color: var(--secondary);
            font-size: 26px;
        }
        .logo span {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-menu::-webkit-scrollbar {
            display: none;
        }

        .nav-menu a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            white-space: nowrap;
            transition: background var(--transition), color var(--transition);
            position: relative;
        }
        .nav-menu a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
        }
        .nav-menu a.active {
            background: rgba(232, 184, 48, 0.12);
            color: var(--secondary);
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-sm);
            padding: 0 12px;
            border: 1px solid var(--border-color);
            transition: border-color var(--transition), background var(--transition);
            min-width: 180px;
            flex-shrink: 0;
        }
        .nav-search:focus-within {
            border-color: var(--secondary);
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-search input {
            padding: 8px 4px 8px 0;
            font-size: 14px;
            color: var(--text-primary);
            background: transparent;
            width: 100%;
            min-width: 0;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-search button {
            padding: 8px 4px;
            color: var(--text-muted);
            transition: color var(--transition);
            flex-shrink: 0;
        }
        .nav-search button:hover {
            color: var(--secondary);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            cursor: pointer;
            background: none;
            border: none;
            flex-shrink: 0;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1024px) {
            .nav-search {
                min-width: 140px;
            }
        }

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-menu {
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                flex-direction: column;
                background: rgba(11, 20, 40, 0.98);
                backdrop-filter: blur(20px);
                padding: 16px 24px 24px;
                gap: 8px;
                transform: translateY(-120%);
                opacity: 0;
                transition: transform 0.4s ease, opacity 0.4s ease;
                border-bottom: 1px solid var(--border-color);
                max-height: calc(100vh - var(--header-height));
                overflow-y: auto;
                align-items: stretch;
            }
            .nav-menu.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-menu a {
                padding: 12px 16px;
                font-size: 16px;
                text-align: center;
            }
            .nav-menu a.active::after {
                width: 40px;
                bottom: 4px;
            }
            .nav-search {
                margin-top: 8px;
                min-width: 0;
                width: 100%;
            }
        }

        /* ===== 文章页横幅 ===== */
        .article-banner {
            padding: 120px 0 60px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-card) 60%, var(--bg-dark) 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .article-banner .container {
            position: relative;
            z-index: 1;
        }

        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .article-breadcrumb a:hover {
            color: var(--secondary);
        }
        .article-breadcrumb .sep {
            color: var(--text-muted);
            opacity: 0.4;
        }
        .article-breadcrumb .current {
            color: var(--text-body);
        }

        .article-meta-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px 24px;
            margin-bottom: 16px;
        }
        .article-meta-header .category-tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            background: rgba(232, 184, 48, 0.15);
            color: var(--secondary);
            border: 1px solid rgba(232, 184, 48, 0.25);
        }
        .article-meta-header .date {
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta-header .date i {
            font-size: 13px;
        }

        .article-title {
            font-size: clamp(28px, 4.5vw, 48px);
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        .article-desc {
            font-size: 18px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 800px;
        }

        /* ===== 文章正文 ===== */
        .article-main {
            padding: 60px 0 80px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }

        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .article-body .content {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-body);
        }
        .article-body .content p {
            margin-bottom: 20px;
        }
        .article-body .content h2,
        .article-body .content h3 {
            color: var(--text-primary);
            margin-top: 36px;
            margin-bottom: 16px;
            font-weight: 700;
            line-height: 1.3;
        }
        .article-body .content h2 {
            font-size: 26px;
        }
        .article-body .content h3 {
            font-size: 21px;
        }
        .article-body .content ul,
        .article-body .content ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }
        .article-body .content li {
            margin-bottom: 8px;
            position: relative;
        }
        .article-body .content ul li::before {
            content: '•';
            color: var(--secondary);
            font-weight: bold;
            position: absolute;
            left: -18px;
        }
        .article-body .content ol {
            list-style: decimal;
        }
        .article-body .content a {
            color: var(--secondary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body .content a:hover {
            color: var(--secondary-light);
        }
        .article-body .content blockquote {
            border-left: 4px solid var(--secondary);
            padding: 14px 20px;
            background: rgba(232, 184, 48, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin-bottom: 20px;
            color: var(--text-body);
            font-style: italic;
        }
        .article-body .content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            width: 100%;
            object-fit: cover;
        }
        .article-body .content .highlight {
            background: rgba(232, 184, 48, 0.1);
            padding: 2px 8px;
            border-radius: 4px;
            color: var(--secondary-light);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }
        .article-tags .tag {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 20px;
            font-size: 13px;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-muted);
            border: 1px solid var(--border-color);
            transition: background var(--transition), color var(--transition), border-color var(--transition);
        }
        .article-tags .tag:hover {
            background: rgba(232, 184, 48, 0.12);
            color: var(--secondary);
            border-color: rgba(232, 184, 48, 0.3);
        }

        .article-nav {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            flex-wrap: wrap;
        }
        .article-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            color: var(--text-muted);
            transition: color var(--transition);
            max-width: 45%;
        }
        .article-nav a:hover {
            color: var(--secondary);
        }
        .article-nav .next {
            text-align: right;
            justify-content: flex-end;
        }

        /* ===== 侧边栏 ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card h3 i {
            color: var(--secondary);
            font-size: 18px;
        }

        .sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .sidebar-list li a {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.02);
            transition: background var(--transition);
        }
        .sidebar-list li a:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .sidebar-list .thumb {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-section);
        }
        .sidebar-list .info {
            flex: 1;
            min-width: 0;
        }
        .sidebar-list .info .title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
        }
        .sidebar-list .info .meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .sidebar-categories {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-categories a {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-body);
            border: 1px solid var(--border-color);
            transition: background var(--transition), color var(--transition), border-color var(--transition);
        }
        .sidebar-categories a:hover {
            background: rgba(232, 184, 48, 0.1);
            color: var(--secondary);
            border-color: rgba(232, 184, 48, 0.25);
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 60px 0 80px;
            background: var(--bg-section);
            border-top: 1px solid var(--border-color);
        }
        .related-section .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            text-align: center;
            margin-bottom: 40px;
            letter-spacing: -0.01em;
        }
        .related-section .section-title i {
            color: var(--secondary);
            margin-right: 10px;
        }

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

        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .card-body {
            padding: 20px 22px;
        }
        .related-card .card-body .card-cat {
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .related-card .card-body .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body .card-desc {
            font-size: 14px;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .related-card .card-body .card-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 16px;
        }

        /* ===== 内容未找到 ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
        }
        .not-found-box i {
            font-size: 56px;
            color: var(--text-muted);
            margin-bottom: 20px;
            opacity: 0.4;
        }
        .not-found-box h2 {
            font-size: 28px;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .not-found-box p {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .not-found-box .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            background: var(--secondary);
            color: var(--bg-dark);
            transition: background var(--transition), transform var(--transition);
        }
        .not-found-box .btn-back:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
        }

        /* ===== FAQ 区块 ===== */
        .article-faq {
            padding: 60px 0 80px;
        }
        .article-faq .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            text-align: center;
            margin-bottom: 40px;
        }
        .article-faq .section-title i {
            color: var(--secondary);
            margin-right: 10px;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(232, 184, 48, 0.2);
        }
        .faq-item .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            background: none;
            text-align: left;
            gap: 16px;
            transition: color var(--transition);
        }
        .faq-item .faq-question i {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform var(--transition), color var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-question:hover i {
            color: var(--secondary);
        }
        .faq-item .faq-question.open i {
            transform: rotate(180deg);
            color: var(--secondary);
        }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-item .faq-answer.open {
            display: block;
        }

        /* ===== CTA 区块 ===== */
        .article-cta {
            padding: 60px 0 80px;
            background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-dark) 100%);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .article-cta .cta-box {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .article-cta .cta-box h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .article-cta .cta-box p {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 28px;
        }
        .article-cta .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .article-cta .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-size: 17px;
            font-weight: 700;
            background: var(--secondary);
            color: var(--bg-dark);
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .article-cta .btn-primary:hover {
            background: var(--secondary-light);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(232, 184, 48, 0.3);
        }
        .article-cta .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-size: 17px;
            font-weight: 600;
            background: transparent;
            color: var(--text-primary);
            border: 2px solid var(--border-light);
            transition: border-color var(--transition), color var(--transition), transform var(--transition);
        }
        .article-cta .btn-outline:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            transform: translateY(-3px);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 20px;
            margin-bottom: 16px;
        }
        .footer-brand .logo i {
            font-size: 22px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--secondary);
        }
        .footer-col ul li a i {
            font-size: 15px;
            width: 18px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            gap: 16px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--secondary);
        }
        .social-links {
            display: flex;
            gap: 12px;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-muted);
            font-size: 18px;
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }
        .social-links a:hover {
            background: rgba(232, 184, 48, 0.15);
            color: var(--secondary);
            transform: translateY(-3px);
        }

        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .article-body {
                padding: 24px 20px;
            }
            .article-body .content {
                font-size: 16px;
            }
            .article-body .content h2 {
                font-size: 22px;
            }
            .article-body .content h3 {
                font-size: 18px;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-nav a {
                max-width: 100%;
                font-size: 14px;
            }
            .article-nav .next {
                text-align: left;
                justify-content: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .article-banner {
                padding: 100px 0 40px;
            }
            .article-title {
                font-size: 26px;
            }
            .article-desc {
                font-size: 16px;
            }
            .article-cta .cta-box h2 {
                font-size: 26px;
            }
            .article-cta .cta-box p {
                font-size: 16px;
            }
            .article-cta .btn-primary,
            .article-cta .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .related-section .section-title {
                font-size: 22px;
            }
            .article-faq .section-title {
                font-size: 22px;
            }
            .sidebar-card {
                padding: 20px 16px;
            }
        }

        @media (max-width: 520px) {
            .article-meta-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .article-body {
                padding: 16px 14px;
            }
            .article-tags {
                gap: 6px;
            }
            .article-tags .tag {
                font-size: 12px;
                padding: 4px 12px;
            }
            .related-card .card-body {
                padding: 14px 16px;
            }
            .related-card .card-body .card-title {
                font-size: 15px;
            }
            .nav-search {
                min-width: 0;
                width: 100%;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8e;
            --primary-dark: #0f1a4a;
            --secondary: #e94560;
            --secondary-light: #ff6b81;
            --secondary-dark: #c23350;
            --accent: #f5a623;
            --accent-light: #ffc857;
            --bg-dark: #0b0e1a;
            --bg-dark-alt: #11162b;
            --bg-light: #f8f9fc;
            --bg-card: #ffffff;
            --bg-card-alt: #f0f2f8;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #8888aa;
            --text-white: #ffffff;
            --text-muted: #a0a0c0;
            --border-color: #e0e3ed;
            --border-light: #eef0f5;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.10);
            --shadow-lg: 0 16px 48px rgba(26,42,108,0.15);
            --shadow-glow: 0 0 30px rgba(233,69,96,0.15);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-w: 1280px;
            --header-h: 72px;
        }

        /* ===== 基础重置 ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            color: var(--text-primary);
            background: var(--bg-light);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        a:hover { color: var(--secondary); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
        button { cursor: pointer; background: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide { max-width: 1440px; margin: 0 auto; padding: 0 24px; }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: var(--bg-dark); }
        ::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 3px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--secondary); }

        /* ===== 导航 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 14, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            height: var(--header-h);
            transition: var(--transition);
        }
        .header.scrolled { background: rgba(11, 14, 26, 0.98); box-shadow: 0 4px 30px rgba(0,0,0,0.3); }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-white);
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .logo i { color: var(--secondary); font-size: 26px; }
        .logo span { background: linear-gradient(135deg, #fff 60%, var(--secondary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-menu a {
            color: rgba(255,255,255,0.7);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-menu a:hover { color: #fff; background: rgba(255,255,255,0.08); }
        .nav-menu a.active {
            color: #fff;
            background: rgba(233,69,96,0.2);
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.08);
            border-radius: 50px;
            padding: 0 6px 0 16px;
            margin-left: 12px;
            border: 1px solid rgba(255,255,255,0.06);
            transition: var(--transition);
        }
        .nav-search:focus-within { background: rgba(255,255,255,0.14); border-color: var(--secondary); box-shadow: 0 0 20px rgba(233,69,96,0.1); }
        .nav-search input {
            background: transparent;
            color: #fff;
            padding: 8px 0;
            width: 140px;
            font-size: 14px;
        }
        .nav-search input::placeholder { color: rgba(255,255,255,0.35); }
        .nav-search button {
            color: rgba(255,255,255,0.5);
            padding: 8px 12px;
            border-radius: 50%;
            transition: var(--transition);
        }
        .nav-search button:hover { color: var(--secondary); }
        .mobile-toggle { display: none; color: #fff; font-size: 24px; padding: 8px; cursor: pointer; }

        /* ===== Hero 内页横幅 ===== */
        .page-hero {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-alt) 60%, #0d1a3a 100%);
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center 30% / cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(233,69,96,0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero .container { position: relative; z-index: 2; text-align: center; }
        .page-hero h1 {
            font-size: 48px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -1px;
            line-height: 1.2;
        }
        .page-hero h1 i { color: var(--secondary); margin-right: 10px; }
        .page-hero p {
            font-size: 20px;
            color: rgba(255,255,255,0.7);
            max-width: 700px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }
        .hero-breadcrumb {
            display: flex;
            justify-content: center;
            gap: 10px;
            color: rgba(255,255,255,0.4);
            font-size: 14px;
        }
        .hero-breadcrumb a { color: rgba(255,255,255,0.6); }
        .hero-breadcrumb a:hover { color: var(--secondary); }
        .hero-breadcrumb span { color: var(--text-white); }

        /* ===== 板块通用 ===== */
        .section { padding: 80px 0; }
        .section-dark { background: var(--bg-dark); color: var(--text-white); }
        .section-dark-alt { background: var(--bg-dark-alt); color: var(--text-white); }
        .section-light { background: var(--bg-light); }
        .section-white { background: #fff; }
        .section-title {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 600px;
            margin-bottom: 48px;
            line-height: 1.6;
        }
        .section-dark .section-subtitle { color: rgba(255,255,255,0.6); }
        .section-tag {
            display: inline-block;
            background: rgba(233,69,96,0.12);
            color: var(--secondary);
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-dark .section-tag { background: rgba(233,69,96,0.2); }

        /* ===== 卡片 ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 28px 24px;
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }
        .card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: transparent; }
        .card-img {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 16px;
        }
        .card-img img { width: 100%; height: 200px; object-fit: cover; transition: var(--transition); }
        .card:hover .card-img img { transform: scale(1.04); }
        .card h3 { font-size: 20px; margin-bottom: 8px; }
        .card p { color: var(--text-secondary); font-size: 15px; line-height: 1.6; }
        .card .badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .card .badge-hot { background: var(--secondary); }
        .card .badge-new { background: var(--accent); color: var(--text-primary); }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--secondary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(233,69,96,0.3);
        }
        .btn-primary:hover { background: var(--secondary-dark); box-shadow: 0 8px 30px rgba(233,69,96,0.4); transform: translateY(-2px); color: #fff; }
        .btn-outline {
            background: transparent;
            border-color: rgba(255,255,255,0.3);
            color: #fff;
        }
        .btn-outline:hover { border-color: var(--secondary); background: rgba(233,69,96,0.1); color: #fff; }
        .btn-dark {
            background: var(--primary);
            color: #fff;
        }
        .btn-dark:hover { background: var(--primary-light); transform: translateY(-2px); color: #fff; }
        .btn-sm { padding: 8px 20px; font-size: 14px; }
        .btn-lg { padding: 16px 44px; font-size: 18px; }
        .btn i { font-size: 14px; }

        /* ===== 网格 ===== */
        .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
        .grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 28px; }
        .grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 24px; }

        /* ===== 步骤 / 流程 ===== */
        .steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 28px; counter-reset: step; }
        .step-card {
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid rgba(255,255,255,0.06);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover { background: rgba(255,255,255,0.08); border-color: rgba(233,69,96,0.2); transform: translateY(-4px); }
        .step-card .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--secondary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            margin: 0 auto 16px;
        }
        .step-card h4 { color: #fff; font-size: 18px; margin-bottom: 8px; }
        .step-card p { color: rgba(255,255,255,0.6); font-size: 14px; line-height: 1.6; }

        /* ===== FAQ ===== */
        .faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(233,69,96,0.15); }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 17px;
            cursor: pointer;
            transition: var(--transition);
            color: var(--text-primary);
        }
        .faq-question i { color: var(--secondary); transition: var(--transition); font-size: 14px; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .section-dark .faq-item { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.06); }
        .section-dark .faq-question { color: #fff; }
        .section-dark .faq-answer { color: rgba(255,255,255,0.7); }

        /* ===== 资讯列表 ===== */
        .article-list { display: flex; flex-direction: column; gap: 16px; }
        .article-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .article-item:hover { box-shadow: var(--shadow-sm); border-color: transparent; transform: translateX(4px); }
        .article-item .thumb {
            width: 100px;
            height: 72px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }
        .article-item .thumb img { width: 100%; height: 100%; object-fit: cover; }
        .article-item .info { flex: 1; }
        .article-item .info h4 { font-size: 17px; margin-bottom: 4px; }
        .article-item .info p { font-size: 14px; color: var(--text-light); }
        .article-item .meta { display: flex; gap: 16px; font-size: 13px; color: var(--text-light); margin-top: 6px; }
        .article-item .meta i { margin-right: 4px; }

        /* ===== CTA ===== */
        .cta-block {
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        .cta-block h2 { color: #fff; font-size: 36px; margin-bottom: 12px; position: relative; }
        .cta-block p { color: rgba(255,255,255,0.7); font-size: 18px; max-width: 600px; margin: 0 auto 28px; position: relative; }
        .cta-block .btn-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; position: relative; }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 0;
            border-top: 1px solid rgba(255,255,255,0.04);
        }
        .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand .logo { margin-bottom: 16px; }
        .footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.5); max-width: 360px; }
        .footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a { color: rgba(255,255,255,0.5); font-size: 14px; transition: var(--transition); }
        .footer-col ul li a:hover { color: var(--secondary); padding-left: 4px; }
        .footer-col ul li a i { width: 20px; margin-right: 6px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--secondary); }
        .social-links { display: flex; gap: 12px; }
        .social-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.6);
            transition: var(--transition);
        }
        .social-links a:hover { background: var(--secondary); color: #fff; transform: translateY(-3px); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .grid-4 { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .page-hero h1 { font-size: 38px; }
        }
        @media (max-width: 768px) {
            .nav-menu { display: none; }
            .mobile-toggle { display: block; }
            .nav-menu.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(11,14,26,0.98);
                padding: 20px 24px;
                gap: 8px;
                border-bottom: 1px solid rgba(255,255,255,0.06);
            }
            .nav-menu.open a { width: 100%; padding: 12px 16px; }
            .nav-search { margin-left: 0; width: 100%; }
            .nav-search input { width: 100%; }
            .page-hero { padding: 120px 0 60px; min-height: 260px; }
            .page-hero h1 { font-size: 28px; }
            .page-hero p { font-size: 16px; }
            .section { padding: 56px 0; }
            .section-title { font-size: 26px; }
            .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 20px; }
            .steps { grid-template-columns: 1fr 1fr; gap: 16px; }
            .cta-block { padding: 40px 24px; }
            .cta-block h2 { font-size: 26px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .article-item { flex-direction: column; align-items: flex-start; }
            .article-item .thumb { width: 100%; height: 160px; }
        }
        @media (max-width: 520px) {
            .steps { grid-template-columns: 1fr; }
            .page-hero h1 { font-size: 22px; }
            .btn-lg { padding: 14px 32px; font-size: 16px; }
            .container { padding: 0 16px; }
            .header-inner { padding: 0 16px; }
        }

        /* ===== 附加样式 ===== */
        .text-center { text-align: center; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mt-32 { margin-top: 32px; }
        .mb-16 { margin-bottom: 16px; }
        .mb-24 { margin-bottom: 24px; }
        .gap-8 { gap: 8px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .inline-flex { display: inline-flex; align-items: center; gap: 6px; }
        .tag {
            display: inline-block;
            padding: 2px 14px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(233,69,96,0.1);
            color: var(--secondary);
        }
        .tag-blue { background: rgba(26,42,108,0.1); color: var(--primary); }
        .tag-gold { background: rgba(245,166,35,0.12); color: var(--accent); }

        /* 内容卡片图文 */
        .content-card { display: flex; gap: 32px; align-items: center; background: var(--bg-card); border-radius: var(--radius-md); padding: 28px; border: 1px solid var(--border-light); transition: var(--transition); }
        .content-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
        .content-card .text { flex: 1; }
        .content-card .text h3 { font-size: 22px; margin-bottom: 10px; }
        .content-card .text p { color: var(--text-secondary); font-size: 15px; line-height: 1.7; }
        .content-card .thumb { width: 240px; flex-shrink: 0; border-radius: var(--radius-sm); overflow: hidden; }
        .content-card .thumb img { width: 100%; height: 160px; object-fit: cover; }
        @media (max-width: 768px) { .content-card { flex-direction: column; } .content-card .thumb { width: 100%; } }

        /* 数据统计条 */
        .stat-bar { display: flex; gap: 32px; justify-content: center; flex-wrap: wrap; padding: 32px 0; }
        .stat-item { text-align: center; }
        .stat-item .num { font-size: 40px; font-weight: 800; color: var(--secondary); }
        .stat-item .label { font-size: 15px; color: rgba(255,255,255,0.6); margin-top: 4px; }
        .section-dark .stat-item .num { color: var(--secondary-light); }

        /* 实时状态条模拟 */
        .live-ticker {
            background: rgba(233,69,96,0.08);
            border: 1px solid rgba(233,69,96,0.15);
            border-radius: 50px;
            padding: 10px 24px;
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--text-white);
            margin-bottom: 24px;
        }
        .live-ticker .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--secondary);
            animation: pulse-dot 1.5s ease-in-out infinite;
        }
        @keyframes pulse-dot { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.4; transform: scale(0.8); } }
        .live-ticker span { font-weight: 600; }
        .live-ticker .count { color: var(--accent); font-weight: 700; }