/* roulang page: index */
:root {
            --primary: #163A5F;
            --primary-light: #1D4E82;
            --primary-lighter: #2B5FD9;
            --primary-dark: #0C1F36;
            --accent: #F97316;
            --accent-light: #FB923C;
            --accent-dark: #EA580C;
            --bg: #F5F7FB;
            --bg-alt: #FFFFFF;
            --bg-deep: #EEF2F8;
            --text: #1E293B;
            --text-light: #64748B;
            --text-lighter: #94A3B8;
            --border: #E2E8F0;
            --border-light: #EDF1F7;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 10px rgba(15, 36, 64, 0.05);
            --shadow-md: 0 10px 32px rgba(15, 36, 64, 0.08);
            --shadow-lg: 0 24px 60px rgba(15, 36, 64, 0.12);
            --shadow-accent: 0 8px 28px rgba(249, 115, 22, 0.25);
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: inline-block;
            vertical-align: middle;
        }

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }

        ul, ol {
            list-style: none;
        }

        strong, b {
            font-weight: 600;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .grid-container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
            background: rgba(255, 255, 255, 0.97);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 78px;
            gap: 24px;
        }

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

        .logo-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            box-shadow: 0 4px 14px rgba(22, 58, 95, 0.3);
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--primary-dark);
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }

        .main-nav .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
        }

        .main-nav .nav-link i {
            font-size: 15px;
        }

        .main-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(22, 58, 95, 0.06);
        }

        .main-nav .nav-link.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 18px rgba(22, 58, 95, 0.25);
        }

        .header-cta {
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.4;
        }

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

        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(249, 115, 22, 0.3);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.8);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
        }

        .btn-outline-dark {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid rgba(22, 58, 95, 0.3);
        }

        .btn-outline-dark:hover {
            border-color: var(--primary);
            background: rgba(22, 58, 95, 0.05);
        }

        .btn-sm {
            padding: 9px 22px;
            font-size: 14px;
        }

        .btn-lg {
            padding: 16px 38px;
            font-size: 17px;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            font-size: 20px;
            color: var(--primary);
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        /* ===== Mobile Bottom Tab ===== */
        .mobile-bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -4px 24px rgba(15, 36, 64, 0.08);
            padding-bottom: env(safe-area-inset-bottom);
        }

        .mobile-bottom-tab .tab-inner {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 64px;
        }

        .mobile-bottom-tab .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            flex: 1;
            color: var(--text-lighter);
            font-size: 11px;
            font-weight: 500;
            transition: var(--transition);
            padding: 6px 0;
        }

        .mobile-bottom-tab .tab-item i {
            font-size: 20px;
            transition: var(--transition);
        }

        .mobile-bottom-tab .tab-item.active {
            color: var(--primary);
        }

        .mobile-bottom-tab .tab-item.active i {
            transform: translateY(-1px);
        }

        .mobile-bottom-tab .tab-item:hover {
            color: var(--primary);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 170px 0 100px;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(12, 31, 54, 0.82) 0%, rgba(22, 58, 95, 0.6) 50%, rgba(10, 30, 50, 0.7) 100%);
        }

        .hero::after {
            content: '';
            position: absolute;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(249, 115, 22, 0.2) 0%, transparent 70%);
            top: -120px;
            right: -150px;
        }

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

        .hero-content {
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 999px;
            padding: 8px 20px;
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 28px;
            backdrop-filter: blur(8px);
        }

        .hero-badge i {
            color: #FBBF24;
        }

        .hero h1 {
            font-size: 54px;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }

        .hero h1 .highlight {
            color: #FBBF24;
        }

        .hero-desc {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 36px;
            max-width: 560px;
        }

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

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 54px;
            padding-top: 36px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hero-meta .meta-item i {
            font-size: 24px;
            color: #FBBF24;
        }

        .hero-meta .meta-item .meta-text {
            display: flex;
            flex-direction: column;
            line-height: 1.3;
        }

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

        .hero-meta .meta-item .meta-value {
            font-size: 17px;
            font-weight: 700;
        }

        /* ===== Stats ===== */
        .stats-section {
            padding: 80px 0;
            background: var(--bg);
        }

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

        .stat-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(249, 115, 22, 0.3);
        }

        .stat-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(22, 58, 95, 0.08), rgba(249, 115, 22, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin: 0 auto 18px;
        }

        .stat-number {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--primary-dark);
            margin-bottom: 4px;
        }

        .stat-number span {
            font-size: 24px;
            font-weight: 700;
        }

        .stat-label {
            font-size: 15px;
            color: var(--text-light);
        }

        /* ===== Section Common ===== */
        .section-pad {
            padding: 90px 0;
        }

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

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

        .section-head {
            max-width: 720px;
            margin: 0 auto 56px;
            text-align: center;
        }

        .section-head .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(249, 115, 22, 0.1);
            color: var(--accent-dark);
            border-radius: 999px;
            padding: 7px 18px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--primary-dark);
            letter-spacing: -0.3px;
            margin-bottom: 16px;
        }

        .section-head .section-desc {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ===== About ===== */
        .about-section {
            padding: 100px 0;
            background: var(--bg-alt);
            position: relative;
            overflow: hidden;
        }

        .about-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 70px;
            align-items: center;
        }

        .about-image {
            position: relative;
        }

        .about-image .main-img {
            width: 100%;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
        }

        .about-image .float-card {
            position: absolute;
            bottom: 30px;
            left: -20px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 18px 24px;
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            gap: 14px;
            animation: floatY 4s ease-in-out infinite;
        }

        .about-image .float-card .float-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(249, 115, 22, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 20px;
        }

        .about-image .float-card .float-text {
            line-height: 1.3;
        }

        .about-image .float-card .float-text strong {
            display: block;
            font-size: 16px;
            color: var(--primary-dark);
        }

        .about-image .float-card .float-text span {
            font-size: 13px;
            color: var(--text-light);
        }

        @keyframes floatY {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        .about-content h2 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--primary-dark);
            margin-bottom: 20px;
        }

        .about-content p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-light);
            margin-bottom: 16px;
        }

        .about-list {
            margin-top: 28px;
            display: grid;
            gap: 16px;
        }

        .about-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .about-list li i {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(249, 115, 22, 0.12);
            color: var(--accent-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
            margin-top: 4px;
        }

        .about-list li span {
            font-size: 15.5px;
            color: var(--text);
            line-height: 1.6;
        }

        /* ===== Categories ===== */
        .categories-section {
            padding: 100px 0;
            background: var(--bg);
        }

        .categories-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: block;
            min-height: 380px;
        }

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

        .category-card .card-img-wrap {
            position: relative;
            height: 220px;
            overflow: hidden;
        }

        .category-card .card-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(12, 31, 54, 0.05) 0%, rgba(12, 31, 54, 0.5) 100%);
        }

        .category-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .category-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .category-card .card-cat-badge {
            position: absolute;
            top: 18px;
            left: 20px;
            z-index: 2;
            background: var(--accent);
            color: #fff;
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.4);
        }

        .category-card .card-body {
            padding: 28px 30px 30px;
        }

        .category-card .card-body h3 {
            font-size: 21px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 10px;
        }

        .category-card .card-body p {
            font-size: 14.5px;
            line-height: 1.7;
            color: var(--text-light);
            margin-bottom: 20px;
        }

        .category-card .card-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
        }

        .category-card .card-more i {
            transition: transform 0.3s;
        }

        .category-card:hover .card-more i {
            transform: translateX(4px);
        }

        /* ===== News ===== */
        .news-section {
            padding: 100px 0;
            background: var(--bg-alt);
        }

        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .news-card {
            background: var(--bg-alt);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px 28px 24px;
            display: block;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(249, 115, 22, 0.25);
            transform: translateY(-3px);
        }

        .news-card .news-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 14px;
        }

        .news-card .news-category {
            display: inline-block;
            background: rgba(22, 58, 95, 0.08);
            color: var(--primary);
            border-radius: 999px;
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 600;
        }

        .news-card .news-date {
            font-size: 13px;
            color: var(--text-lighter);
        }

        .news-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text);
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-light);
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .news-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-dark);
        }

        .news-card .news-more i {
            transition: transform 0.3s;
        }

        .news-card:hover .news-more i {
            transform: translateX(4px);
        }

        .empty-tip {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-lighter);
            font-size: 16px;
            background: var(--bg);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border);
        }

        /* ===== Features ===== */
        .features-section {
            padding: 100px 0;
            background: var(--bg);
            position: relative;
        }

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

        .feature-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 34px 28px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .feature-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-5px);
            border-color: rgba(22, 58, 95, 0.15);
        }

        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: #fff;
            margin: 0 auto 20px;
            box-shadow: 0 8px 24px rgba(22, 58, 95, 0.25);
        }

        .feature-item:nth-child(2) .feature-icon {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.3);
        }

        .feature-item:nth-child(3) .feature-icon {
            background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
            box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3);
        }

        .feature-item:nth-child(4) .feature-icon {
            background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
            box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
        }

        .feature-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 10px;
        }

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

        /* ===== Process ===== */
        .process-section {
            padding: 100px 0;
            background: var(--bg-alt);
            position: relative;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            counter-reset: step;
        }

        .process-step {
            position: relative;
            text-align: center;
            padding: 0 10px;
        }

        .process-step::after {
            content: '';
            position: absolute;
            top: 40px;
            right: -16px;
            width: 32px;
            height: 2px;
            background: linear-gradient(90deg, var(--border) 0%, transparent 100%);
            display: none;
        }

        .process-step:last-child::after {
            display: none;
        }

        .step-number {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin: 0 auto 22px;
            box-shadow: 0 12px 32px rgba(22, 58, 95, 0.25);
            position: relative;
        }

        .process-step:nth-child(2) .step-number {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
            box-shadow: 0 12px 32px rgba(249, 115, 22, 0.25);
        }

        .process-step:nth-child(3) .step-number {
            background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
            box-shadow: 0 12px 32px rgba(16, 185, 129, 0.25);
        }

        .process-step:nth-child(4) .step-number {
            background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
            box-shadow: 0 12px 32px rgba(99, 102, 241, 0.25);
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-light);
            max-width: 220px;
            margin: 0 auto;
        }

        /* ===== Showcase ===== */
        .showcase-section {
            padding: 100px 0;
            background: var(--bg);
        }

        .showcase-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .showcase-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }

        .showcase-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 35%, rgba(12, 31, 54, 0.75) 100%);
            z-index: 1;
        }

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

        .showcase-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .showcase-body {
            position: relative;
            z-index: 2;
            padding: 36px;
            color: #fff;
        }

        .showcase-body h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .showcase-body p {
            font-size: 14.5px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 18px;
        }

        .showcase-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
        }

        .showcase-link i {
            transition: transform 0.3s;
        }

        .showcase-card:hover .showcase-link i {
            transform: translateX(4px);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 100px 0;
            background: var(--bg-alt);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: grid;
            gap: 16px;
        }

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

        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(22, 58, 95, 0.15);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 22px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            cursor: pointer;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            transition: var(--transition);
        }

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

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(249, 115, 22, 0.1);
            color: var(--accent-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-answer-inner {
            padding: 0 28px 24px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-light);
        }

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

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

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            color: #fff;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(12, 31, 54, 0.88) 0%, rgba(22, 58, 95, 0.78) 100%);
        }

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

        .cta-section h2 {
            font-size: 40px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 32px;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 70px 0 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 18px;
        }

        .footer-brand .footer-logo .logo-icon {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
        }

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 24px;
            max-width: 320px;
        }

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

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
        }

        .footer-col ul {
            display: grid;
            gap: 12px;
        }

        .footer-col ul a {
            font-size: 14.5px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }

        .footer-col ul a i {
            font-size: 12px;
        }

        .footer-bottom {
            padding: 26px 0;
            text-align: center;
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.45);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

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

        /* ===== Focus States ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(249, 115, 22, 0.6);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px 30px;
            }

            .process-step::after {
                display: none;
            }

            .hero h1 {
                font-size: 44px;
            }

            .section-head h2 {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }

            .header-cta {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .mobile-bottom-tab {
                display: block;
            }

            .site-header {
                height: 68px;
            }

            .header-inner {
                height: 68px;
            }

            .logo-text {
                font-size: 18px;
            }

            .logo-icon {
                width: 38px;
                height: 38px;
                font-size: 17px;
                border-radius: 10px;
            }

            body {
                padding-bottom: 64px;
            }

            .hero {
                padding: 130px 0 70px;
            }

            .hero h1 {
                font-size: 36px;
            }

            .hero-desc {
                font-size: 16px;
            }

            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-meta {
                gap: 18px;
                margin-top: 34px;
                padding-top: 24px;
            }

            .section-pad,
            .stats-section,
            .about-section,
            .categories-section,
            .news-section,
            .features-section,
            .process-section,
            .showcase-section,
            .faq-section {
                padding: 64px 0;
            }

            .about-wrapper {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .about-image .main-img {
                max-height: 320px;
                object-fit: cover;
            }

            .about-image .float-card {
                left: 10px;
                bottom: 16px;
            }

            .categories-grid,
            .showcase-grid,
            .news-list {
                grid-template-columns: 1fr;
            }

            .category-card {
                min-height: auto;
            }

            .cta-section h2 {
                font-size: 30px;
            }

            .cta-buttons .btn {
                width: 100%;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .footer-brand p {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .stat-card {
                padding: 22px 16px;
            }

            .stat-number {
                font-size: 30px;
            }

            .features-grid {
                grid-template-columns: 1fr;
            }

            .process-steps {
                grid-template-columns: 1fr;
            }

            .logo-text {
                font-size: 16px;
            }

            .hero h1 {
                font-size: 30px;
            }

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

            .section-head h2 {
                font-size: 28px;
            }

            .section-head .section-desc {
                font-size: 15px;
            }

            .news-card {
                padding: 22px 18px;
            }

            .faq-question {
                padding: 18px 20px;
                font-size: 15px;
            }

            .faq-answer-inner {
                padding: 0 20px 20px;
                font-size: 14px;
            }

            .showcase-body {
                padding: 24px;
            }

            .showcase-body h3 {
                font-size: 20px;
            }

            .cta-section h2 {
                font-size: 26px;
            }

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

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

/* roulang page: article */
:root {
  --primary: #FF6B35;
  --primary-dark: #E8551E;
  --primary-light: #FFF0E8;
  --secondary: #0F3460;
  --secondary-light: #1A4A7A;
  --ink: #1E293B;
  --gray: #64748B;
  --light: #F8FAFC;
  --border: #E2E8F0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(15, 52, 96, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 52, 96, 0.14);
  --transition: all 0.3s ease;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: #FFFFFF;
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

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

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

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

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), #FF9A5A);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 6px 16px rgba(255, 107, 53, 0.35);
}

.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--secondary);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.logo-text em {
  font-style: normal;
  color: var(--primary);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 10px 18px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 500;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.nav-link i {
  font-size: 14px;
}

.nav-link:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}

.nav-cta {
  margin-left: 8px;
  background: linear-gradient(135deg, var(--primary), #FF8A50);
  color: #fff !important;
  padding: 10px 22px;
  border-radius: 30px;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(255, 107, 53, 0.3);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255, 107, 53, 0.4);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--secondary);
  cursor: pointer;
  padding: 8px;
}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tabbar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
  padding-bottom: env(safe-area-inset-bottom);
}

.tabbar-inner {
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 64px;
}

.tabbar-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  color: var(--gray);
  padding: 6px 12px;
  border-radius: 12px;
  transition: var(--transition);
}

.tabbar-item i {
  font-size: 20px;
}

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

.tabbar-item:hover {
  color: var(--primary);
  background: var(--primary-light);
}

/* ---------- 页面横幅 ---------- */
.page-banner {
  position: relative;
  padding: 70px 0 50px;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity: 0.12;
}

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

.breadcrumb-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 16px;
}

.breadcrumb-wrap a {
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb-wrap a:hover {
  color: #fff;
}

.breadcrumb-wrap span {
  color: rgba(255, 255, 255, 0.4);
}

.page-title {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  line-height: 1.35;
  max-width: 800px;
  margin-bottom: 12px;
}

.page-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 640px;
}

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

.article-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 40px;
  align-items: start;
}

.article-main {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.article-hero {
  position: relative;
  height: 360px;
  overflow: hidden;
}

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

.article-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.55) 0%, transparent 60%);
  pointer-events: none;
}

.article-meta-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px;
  z-index: 1;
}

.article-category-badge {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.article-meta-line {
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.article-meta-line i {
  margin-right: 5px;
}

.article-body {
  padding: 40px;
}

.article-body h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--secondary);
  margin: 32px 0 16px;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  line-height: 1.4;
}

.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--secondary);
  margin: 24px 0 12px;
}

.article-body p {
  margin-bottom: 18px;
  color: #334155;
  font-size: 16px;
  line-height: 2;
}

.article-body ul,
.article-body ol {
  margin: 16px 0 24px;
  padding-left: 28px;
  color: #334155;
}

.article-body ul li,
.article-body ol li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 10px;
  line-height: 1.9;
}

.article-body ul li::before {
  content: '▸';
  position: absolute;
  left: -18px;
  color: var(--primary);
  font-weight: 700;
}

.article-body ol {
  list-style: decimal;
}

.article-body ol li::marker {
  color: var(--primary);
  font-weight: 700;
}

.article-body blockquote {
  background: var(--primary-light);
  border-radius: 12px;
  padding: 20px 24px;
  margin: 24px 0;
  border-left: 4px solid var(--primary);
  color: #7C2D12;
  font-style: italic;
}

.article-body img {
  border-radius: 12px;
  margin: 24px 0;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.tag-label {
  background: var(--primary-light);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
}

.article-share {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.share-label {
  color: var(--gray);
  font-size: 14px;
}

.share-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  color: var(--gray);
  transition: var(--transition);
}

.share-btn:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

.article-nav-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 30px;
}

.article-pager-item {
  background: var(--light);
  border-radius: 12px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.article-pager-item:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  transform: translateY(-3px);
}

.pager-label {
  font-size: 12px;
  color: var(--gray);
  display: block;
  margin-bottom: 6px;
}

.pager-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- 侧边栏 ---------- */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: 90px;
}

.sidebar-widget {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(226, 232, 240, 0.5);
}

.widget-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.widget-title::after {
  content: '';
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), transparent);
  border-radius: 2px;
}

.widget-title i {
  color: var(--primary);
  font-size: 16px;
}

.sidebar-thumb-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sidebar-item {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 10px;
  border-radius: 10px;
  transition: var(--transition);
}

.sidebar-item:hover {
  background: var(--light);
  transform: translateX(4px);
}

.sidebar-thumb {
  width: 72px;
  height: 64px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--primary-light);
}

.sidebar-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sidebar-item-info h5 {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 4px;
}

.sidebar-item-info span {
  font-size: 12px;
  color: var(--gray);
}

.sidebar-cat-list li {
  margin-bottom: 8px;
}

.sidebar-cat-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: 10px;
  background: var(--light);
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

.sidebar-cat-list a:hover {
  background: var(--primary-light);
  color: var(--primary);
  padding-left: 22px;
}

.sidebar-cat-list a span {
  background: #fff;
  border-radius: 20px;
  padding: 2px 10px;
  font-size: 12px;
  color: var(--gray);
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}

.widget-cta {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
  border-radius: var(--radius);
  padding: 30px 28px;
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.widget-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 120%;
  height: 120%;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 60%);
}

.widget-cta i {
  font-size: 36px;
  color: var(--primary);
  margin-bottom: 16px;
}

.widget-cta h4 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.widget-cta p {
  font-size: 14px;
  opacity: 0.85;
  margin-bottom: 20px;
}

.btn-white {
  display: inline-block;
  background: #fff;
  color: var(--secondary);
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 14px;
  transition: var(--transition);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.15);
}

/* ---------- FAQ 区块 ---------- */
.faq-section {
  padding: 70px 0 50px;
  background: #fff;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 12px;
  line-height: 1.3;
}

.section-head p {
  color: var(--gray);
  font-size: 16px;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--light);
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(255, 107, 53, 0.4);
  box-shadow: 0 8px 20px rgba(15, 52, 96, 0.06);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 22px 28px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-question i {
  color: var(--primary);
  font-size: 24px;
  font-weight: 300;
  transition: transform 0.3s ease;
}

.faq-section .faq-item.open .faq-question i {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 28px 22px;
  color: var(--gray);
  font-size: 15px;
}

/* ---------- CTA 区块 ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--primary), #FF9A5A);
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::after {
  content: '';
  position: absolute;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: 0.08;
  inset: 0;
}

.cta-wrap {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
}

.cta-wrap h2 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-wrap p {
  font-size: 17px;
  opacity: 0.95;
  margin-bottom: 30px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.btn-gradient {
  display: inline-block;
  background: #fff;
  color: var(--primary);
  padding: 16px 42px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 16px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
  transition: var(--transition);
}

.btn-gradient:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.25);
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: #0B1B33;
  color: rgba(255, 255, 255, 0.75);
  padding: 70px 0 30px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.footer-logo .logo-icon {
  width: 36px;
  height: 36px;
  font-size: 15px;
}

.footer-logo .logo-text {
  color: #fff;
  font-size: 20px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 22px;
}

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

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 22px;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  display: inline-block;
  transition: var(--transition);
}

.footer-col ul a i {
  color: var(--primary);
  margin-right: 6px;
  font-size: 12px;
}

.footer-col ul a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 30px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.6);
}

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

/* ---------- 响应式 ---------- */
@media screen and (max-width: 1024px) {
  .article-grid {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .widget-cta {
    grid-column: span 2;
  }

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

@media screen and (max-width: 768px) {
  .header-inner {
    height: 62px;
  }

  .main-nav {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .mobile-tabbar {
    display: block;
  }

  .site-footer {
    padding-bottom: 90px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .article-hero {
    height: 280px;
  }

  .article-body {
    padding: 28px 22px;
  }

  .article-body h2 {
    font-size: 22px;
  }

  .article-nav-pager {
    grid-template-columns: 1fr;
  }

  .page-banner {
    padding: 50px 0 36px;
  }

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

  .sidebar-widget {
    grid-column: span 2;
  }

  .article-sidebar {
    grid-template-columns: 1fr;
  }

  .widget-cta {
    grid-column: span 1;
  }

  .section-head h2 {
    font-size: 28px;
  }

  .cta-wrap h2 {
    font-size: 28px;
  }

  .faq-question {
    font-size: 15px;
    padding: 18px 20px;
  }

  .faq-answer-inner {
    padding: 0 20px 18px;
  }
}

@media screen and (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .logo-text {
    font-size: 17px;
  }

  .article-hero {
    height: 220px;
  }

  .article-meta-overlay {
    padding: 20px;
  }

  .article-body p {
    font-size: 15px;
  }

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

  .page-desc {
    font-size: 14px;
  }

  .breadcrumb-wrap {
    font-size: 12px;
  }

  .section-tag {
    font-size: 12px;
  }
}

/* roulang page: category1 */
:root {
        --primary: #0d1f3c;
        --primary-dark: #081527;
        --primary-light: #1b3260;
        --accent: #e9a13b;
        --accent-light: #f7c26b;
        --accent-dark: #cf8a22;
        --bg: #f4f6fb;
        --bg-deep: #eef1f7;
        --white: #ffffff;
        --text: #1f2937;
        --text-weak: #6b7280;
        --text-light: #f9fafb;
        --border: #e5e7eb;
        --border-light: #f1f3f8;
        --radius: 18px;
        --radius-sm: 10px;
        --shadow: 0 6px 24px rgba(13, 31, 60, 0.07);
        --shadow-hover: 0 14px 36px rgba(13, 31, 60, 0.13);
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --font: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    }

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

    html {
        scroll-behavior: smooth;
        font-size: 16px;
    }

    body {
        font-family: var(--font);
        background: var(--bg);
        color: var(--text);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
        margin: 0;
        padding: 0;
    }

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

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

    img {
        max-width: 100%;
        height: auto;
        display: inline-block;
        vertical-align: middle;
    }

    ul, ol {
        list-style: none;
    }

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

    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
        width: 100%;
    }

    .section {
        padding: 90px 0;
        position: relative;
    }

    .section-narrow {
        padding: 60px 0;
    }

    .section-head {
        text-align: center;
        max-width: 720px;
        margin: 0 auto 56px;
    }

    .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(233, 161, 59, 0.12);
        color: var(--accent-dark);
        font-size: 13px;
        font-weight: 700;
        padding: 6px 16px;
        border-radius: 100px;
        letter-spacing: 1px;
        margin-bottom: 16px;
    }

    .section-tag i {
        font-size: 12px;
    }

    .section-head h2 {
        font-size: 38px;
        font-weight: 800;
        color: var(--primary);
        line-height: 1.3;
        letter-spacing: -0.5px;
        margin-bottom: 14px;
    }

    .section-head p {
        font-size: 16px;
        color: var(--text-weak);
        line-height: 1.8;
    }

    .section-head.left {
        text-align: left;
        margin-left: 0;
        margin-bottom: 36px;
    }

    /* ========== Header ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(255, 255, 255, 0.92);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(229, 231, 235, 0.7);
        box-shadow: 0 2px 16px rgba(13, 31, 60, 0.04);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 76px;
        gap: 24px;
    }

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

    .logo-icon {
        width: 42px;
        height: 42px;
        border-radius: 13px;
        background: linear-gradient(135deg, var(--accent), #f6b75d);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 18px;
        box-shadow: 0 4px 14px rgba(233, 161, 59, 0.4);
    }

    .logo-text {
        font-size: 20px;
        font-weight: 800;
        color: var(--primary);
        letter-spacing: 0.5px;
        white-space: nowrap;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 6px;
        margin-left: auto;
    }

    .main-nav .nav-link {
        display: flex;
        align-items: center;
        gap: 7px;
        padding: 10px 18px;
        border-radius: 100px;
        font-size: 15px;
        font-weight: 600;
        color: var(--text);
        background: transparent;
        border: 1px solid transparent;
        transition: var(--transition);
    }

    .main-nav .nav-link i {
        font-size: 14px;
        color: var(--text-weak);
        transition: var(--transition);
    }

    .main-nav .nav-link:hover {
        color: var(--primary);
        background: rgba(13, 31, 60, 0.05);
    }

    .main-nav .nav-link:hover i {
        color: var(--accent);
    }

    .main-nav .nav-link.active {
        background: var(--primary);
        color: var(--white);
        border-color: var(--primary);
        box-shadow: 0 6px 18px rgba(13, 31, 60, 0.22);
    }

    .main-nav .nav-link.active i {
        color: var(--accent);
    }

    .header-action {
        margin-left: 8px;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 26px;
        border-radius: 100px;
        font-size: 15px;
        font-weight: 700;
        border: 2px solid transparent;
        cursor: pointer;
        transition: var(--transition);
        line-height: 1.4;
    }

    .btn:focus {
        outline: none;
        box-shadow: 0 0 0 4px rgba(233, 161, 59, 0.3);
    }

    .btn-accent {
        background: var(--accent);
        color: #fff;
        box-shadow: 0 6px 20px rgba(233, 161, 59, 0.38);
    }

    .btn-accent:hover {
        background: var(--accent-dark);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 10px 26px rgba(233, 161, 59, 0.45);
    }

    .btn-accent:active {
        transform: translateY(0);
        box-shadow: 0 4px 12px rgba(233, 161, 59, 0.3);
    }

    .btn-primary {
        background: var(--primary);
        color: var(--white);
        box-shadow: 0 6px 18px rgba(13, 31, 60, 0.2);
    }

    .btn-primary:hover {
        background: var(--primary-light);
        color: var(--white);
        transform: translateY(-2px);
        box-shadow: 0 10px 24px rgba(13, 31, 60, 0.28);
    }

    .btn-outline-light {
        background: transparent;
        border-color: rgba(255, 255, 255, 0.7);
        color: #fff;
    }

    .btn-outline-light:hover {
        background: rgba(255, 255, 255, 0.1);
        border-color: #fff;
        color: #fff;
        transform: translateY(-2px);
    }

    .btn-sm {
        padding: 8px 18px;
        font-size: 13px;
    }

    .btn-white {
        background: #fff;
        color: var(--primary);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    }

    .btn-white:hover {
        background: var(--bg-deep);
        color: var(--primary);
        transform: translateY(-2px);
    }

    /* ========== Banner ========== */
    .page-banner {
        position: relative;
        padding: 130px 0 110px;
        background-size: cover;
        background-position: center;
        isolation: isolate;
    }

    .page-banner::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(13, 31, 60, 0.92), rgba(13, 31, 60, 0.62), rgba(13, 31, 60, 0.35));
        z-index: -1;
    }

    .banner-inner {
        position: relative;
        color: var(--white);
        max-width: 780px;
    }

    .banner-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(233, 161, 59, 0.18);
        border: 1px solid rgba(233, 161, 59, 0.4);
        color: var(--accent-light);
        font-size: 14px;
        font-weight: 600;
        padding: 7px 18px;
        border-radius: 100px;
        letter-spacing: 1px;
        margin-bottom: 24px;
    }

    .banner-inner h1 {
        font-size: 50px;
        font-weight: 800;
        line-height: 1.2;
        letter-spacing: 0px;
        margin-bottom: 20px;
        color: var(--white);
    }

    .banner-inner h1 span {
        color: var(--accent);
    }

    .banner-inner .banner-desc {
        font-size: 17px;
        line-height: 1.9;
        color: rgba(255, 255, 255, 0.85);
        margin-bottom: 36px;
        max-width: 640px;
    }

    .banner-actions {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
    }

    .banner-meta {
        display: flex;
        gap: 28px;
        margin-top: 48px;
        padding-top: 24px;
        border-top: 1px solid rgba(255, 255, 255, 0.18);
        flex-wrap: wrap;
    }

    .banner-meta .meta-item {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 14px;
        color: rgba(255, 255, 255, 0.8);
    }

    .banner-meta .meta-item i {
        color: var(--accent);
    }

    /* ========== Feature Cards ========== */
    .feature-grid {
        margin-top: 20px;
    }

    .feature-card {
        background: var(--white);
        border-radius: var(--radius);
        padding: 32px 28px;
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow);
        transition: var(--transition);
        height: 100%;
        position: relative;
        overflow: hidden;
    }

    .feature-card::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: linear-gradient(90deg, var(--accent), var(--accent-light));
        transform: scaleX(0);
        transform-origin: left;
        transition: var(--transition);
    }

    .feature-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-hover);
    }

    .feature-card:hover::after {
        transform: scaleX(1);
    }

    .feature-icon {
        width: 58px;
        height: 58px;
        border-radius: 16px;
        background: linear-gradient(135deg, rgba(233, 161, 59, 0.15), rgba(233, 161, 59, 0.06));
        border: 1px solid rgba(233, 161, 59, 0.2);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
        color: var(--accent-dark);
        margin-bottom: 22px;
    }

    .feature-card h3 {
        font-size: 19px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 12px;
    }

    .feature-card p {
        font-size: 14px;
        color: var(--text-weak);
        line-height: 1.8;
        margin-bottom: 18px;
    }

    .feature-link {
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .feature-link:hover {
        color: var(--accent-dark);
        gap: 10px;
    }

    /* ========== News Section ========== */
    .news-section {
        background: var(--bg-deep);
    }

    .news-list-item {
        display: flex;
        gap: 20px;
        background: var(--white);
        border-radius: var(--radius);
        border: 1px solid var(--border-light);
        padding: 18px;
        margin-bottom: 20px;
        transition: var(--transition);
        box-shadow: 0 2px 10px rgba(13, 31, 60, 0.04);
    }

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

    .news-thumb {
        width: 150px;
        height: 100px;
        border-radius: 12px;
        object-fit: cover;
        flex-shrink: 0;
        background: var(--bg-deep);
    }

    .news-content {
        flex: 1;
        min-width: 0;
    }

    .news-cat {
        display: inline-block;
        font-size: 12px;
        font-weight: 700;
        color: var(--accent-dark);
        background: rgba(233, 161, 59, 0.12);
        padding: 3px 10px;
        border-radius: 100px;
        margin-bottom: 8px;
    }

    .news-content h3 {
        font-size: 17px;
        font-weight: 700;
        color: var(--primary);
        line-height: 1.5;
        margin-bottom: 8px;
    }

    .news-content h3 a {
        color: var(--primary);
    }

    .news-content h3 a:hover {
        color: var(--accent-dark);
    }

    .news-content p {
        font-size: 13px;
        color: var(--text-weak);
        line-height: 1.7;
        margin-bottom: 10px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .news-meta {
        display: flex;
        gap: 16px;
        font-size: 12px;
        color: var(--text-weak);
    }

    .news-meta span {
        display: inline-flex;
        align-items: center;
        gap: 5px;
    }

    .news-meta i {
        font-size: 11px;
        color: var(--accent);
    }

    /* Sidebar */
    .side-card {
        background: var(--white);
        border-radius: var(--radius);
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow);
        padding: 28px;
        margin-bottom: 24px;
    }

    .side-card .side-title {
        font-size: 18px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 20px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .side-card .side-title i {
        color: var(--accent);
        font-size: 16px;
    }

    .tags-wrap {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 7px 14px;
        border-radius: 100px;
        font-size: 13px;
        font-weight: 600;
        background: var(--bg);
        color: var(--text);
        border: 1px solid var(--border);
        transition: var(--transition);
    }

    .tag:hover {
        background: var(--accent);
        border-color: var(--accent);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(233, 161, 59, 0.3);
    }

    .tag-hot {
        color: var(--accent-dark);
        background: rgba(233, 161, 59, 0.1);
        border-color: rgba(233, 161, 59, 0.25);
    }

    .recommend-list li {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        padding: 14px 0;
        border-bottom: 1px dashed var(--border);
    }

    .recommend-list li:last-child {
        border-bottom: none;
    }

    .recommend-list li i {
        color: var(--accent);
        font-size: 13px;
        margin-top: 5px;
        flex-shrink: 0;
    }

    .recommend-list li a {
        font-size: 14px;
        font-weight: 600;
        color: var(--text);
        line-height: 1.6;
    }

    .recommend-list li a:hover {
        color: var(--accent-dark);
    }

    /* ========== Data Section ========== */
    .data-section {
        background-size: cover;
        background-position: center;
        background-attachment: fixed;
        position: relative;
        isolation: isolate;
        color: var(--white);
    }

    .data-section::before {
        content: "";
        position: absolute;
        inset: 0;
        background: rgba(8, 21, 39, 0.9);
        z-index: -1;
    }

    .data-section .section-tag {
        background: rgba(233, 161, 59, 0.15);
        color: var(--accent-light);
        border: 1px solid rgba(233, 161, 59, 0.3);
    }

    .data-section .section-head h2 {
        color: var(--white);
    }

    .data-section .section-head p {
        color: rgba(255, 255, 255, 0.7);
    }

    .data-card {
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.12);
        backdrop-filter: blur(6px);
        border-radius: var(--radius);
        padding: 32px 28px;
        text-align: center;
        height: 100%;
        transition: var(--transition);
    }

    .data-card:hover {
        background: rgba(255, 255, 255, 0.1);
        transform: translateY(-6px);
        border-color: rgba(233, 161, 59, 0.4);
    }

    .data-card .data-num {
        font-size: 48px;
        font-weight: 800;
        color: var(--accent);
        line-height: 1.2;
        margin-bottom: 8px;
    }

    .data-card .data-num small {
        font-size: 18px;
        margin-left: 2px;
    }

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

    .progress-track {
        height: 6px;
        background: rgba(255, 255, 255, 0.15);
        border-radius: 100px;
        overflow: hidden;
        margin-top: 14px;
    }

    .progress-fill {
        height: 100%;
        border-radius: 100px;
        background: linear-gradient(90deg, var(--accent), var(--accent-light));
        position: relative;
    }

    /* ========== Topic Cards ========== */
    .topic-card {
        position: relative;
        border-radius: var(--radius);
        overflow: hidden;
        height: 320px;
        box-shadow: var(--shadow);
        transition: var(--transition);
        display: block;
    }

    .topic-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-hover);
    }

    .topic-card img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

    .topic-card:hover img {
        transform: scale(1.06);
    }

    .topic-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, transparent 30%, rgba(8, 21, 39, 0.85) 100%);
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        padding: 28px;
    }

    .topic-overlay .topic-cat {
        display: inline-block;
        background: var(--accent);
        color: #fff;
        font-size: 12px;
        font-weight: 700;
        padding: 4px 12px;
        border-radius: 100px;
        margin-bottom: 12px;
        width: fit-content;
    }

    .topic-overlay h3 {
        color: #fff;
        font-size: 20px;
        font-weight: 700;
        line-height: 1.4;
        margin-bottom: 8px;
    }

    .topic-overlay p {
        color: rgba(255, 255, 255, 0.8);
        font-size: 13px;
        line-height: 1.6;
        margin-bottom: 10px;
    }

    .topic-more {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--accent-light);
        font-size: 13px;
        font-weight: 600;
    }

    /* ========== Steps ========== */
    .step-item {
        text-align: center;
        padding: 36px 28px;
        background: var(--white);
        border-radius: var(--radius);
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow);
        height: 100%;
        position: relative;
        transition: var(--transition);
    }

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

    .step-num {
        width: 54px;
        height: 54px;
        border-radius: 50%;
        background: var(--primary);
        color: var(--accent);
        font-size: 20px;
        font-weight: 800;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 20px;
        box-shadow: 0 8px 20px rgba(13, 31, 60, 0.25);
        position: relative;
    }

    .step-num::after {
        content: "";
        position: absolute;
        inset: -6px;
        border-radius: 50%;
        border: 2px dashed rgba(13, 31, 60, 0.12);
    }

    .step-item h3 {
        font-size: 17px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 10px;
    }

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

    /* ========== FAQ ========== */
    .faq-section {
        background: var(--bg-deep);
    }

    .faq-list {
        max-width: 820px;
        margin: 0 auto;
    }

    .faq-item {
        background: var(--white);
        border-radius: var(--radius-sm);
        padding: 24px 28px;
        margin-bottom: 16px;
        border: 1px solid var(--border-light);
        box-shadow: 0 2px 10px rgba(13, 31, 60, 0.04);
        display: flex;
        gap: 18px;
        transition: var(--transition);
    }

    .faq-item:hover {
        border-color: rgba(233, 161, 59, 0.3);
        box-shadow: var(--shadow);
    }

    .faq-icon {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: rgba(233, 161, 59, 0.1);
        border: 1px solid rgba(233, 161, 59, 0.25);
        color: var(--accent-dark);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 15px;
        flex-shrink: 0;
        margin-top: 2px;
    }

    .faq-content h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 6px;
    }

    .faq-content p {
        font-size: 14px;
        color: var(--text-weak);
        line-height: 1.7;
    }

    /* ========== CTA ========== */
    .cta-section {
        padding: 70px 0;
    }

    .cta-box {
        background: linear-gradient(120deg, var(--primary), var(--primary-light));
        border-radius: 24px;
        padding: 56px 48px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 36px;
        position: relative;
        overflow: hidden;
        box-shadow: 0 20px 50px rgba(13, 31, 60, 0.3);
    }

    .cta-box::after {
        content: "";
        position: absolute;
        top: -40px;
        right: -40px;
        width: 200px;
        height: 200px;
        border-radius: 50%;
        background: rgba(233, 161, 59, 0.15);
        z-index: 0;
    }

    .cta-box::before {
        content: "";
        position: absolute;
        bottom: -60px;
        left: 30%;
        width: 160px;
        height: 160px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.04);
        z-index: 0;
    }

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

    .cta-content h2 {
        font-size: 34px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 12px;
    }

    .cta-content p {
        font-size: 15px;
        color: rgba(255, 255, 255, 0.75);
        line-height: 1.7;
    }

    .cta-actions {
        position: relative;
        z-index: 1;
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
        flex-shrink: 0;
    }

    /* ========== Footer ========== */
    .site-footer {
        background: var(--primary-dark);
        color: rgba(255, 255, 255, 0.7);
        padding: 70px 0 30px;
        border-top: 3px solid var(--accent);
    }

    .footer-top {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr;
        gap: 48px;
        padding-bottom: 44px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        margin-bottom: 30px;
    }

    .footer-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 18px;
    }

    .footer-logo .logo-icon {
        width: 38px;
        height: 38px;
        border-radius: 12px;
        font-size: 16px;
    }

    .footer-logo .logo-text {
        color: #fff;
        font-size: 19px;
    }

    .footer-brand p {
        font-size: 14px;
        line-height: 1.8;
        margin-bottom: 22px;
        color: rgba(255, 255, 255, 0.55);
        max-width: 320px;
    }

    .footer-social {
        display: flex;
        gap: 10px;
    }

    .footer-social a {
        width: 38px;
        height: 38px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.12);
        display: flex;
        align-items: center;
        justify-content: center;
        color: rgba(255, 255, 255, 0.7);
        font-size: 15px;
        transition: var(--transition);
    }

    .footer-social a:hover {
        background: var(--accent);
        color: #fff;
        border-color: var(--accent);
        transform: translateY(-3px);
    }

    .footer-col h4 {
        font-size: 16px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 20px;
        position: relative;
        padding-bottom: 12px;
    }

    .footer-col h4::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 28px;
        height: 3px;
        border-radius: 100px;
        background: var(--accent);
    }

    .footer-col ul li {
        margin-bottom: 10px;
    }

    .footer-col ul li a {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.6);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: var(--transition);
    }

    .footer-col ul li a i {
        font-size: 11px;
        color: var(--accent);
    }

    .footer-col ul li a:hover {
        color: var(--accent);
        padding-left: 4px;
    }

    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
        padding-top: 6px;
    }

    .footer-bottom p {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.4);
    }

    .footer-bottom a {
        color: rgba(255, 255, 255, 0.6);
    }

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

    /* ========== Bottom Tabbar (Mobile) ========== */
    .bottom-tabbar {
        display: none;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 66px;
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(14px);
        border-top: 1px solid var(--border);
        box-shadow: 0 -4px 24px rgba(13, 31, 60, 0.08);
        z-index: 1001;
        align-items: center;
        justify-content: space-around;
        padding: 0 12px;
    }

    .tab-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 3px;
        padding: 8px 18px;
        border-radius: 14px;
        font-size: 11px;
        font-weight: 600;
        color: var(--text-weak);
        transition: var(--transition);
        min-width: 70px;
    }

    .tab-item i {
        font-size: 18px;
        margin-bottom: 2px;
    }

    .tab-item:hover {
        color: var(--primary);
        background: rgba(13, 31, 60, 0.04);
    }

    .tab-item.active {
        color: var(--accent-dark);
        background: rgba(233, 161, 59, 0.1);
    }

    .tab-item.active i {
        transform: translateY(-1px);
    }

    /* ========== Scroll Top ========== */
    .scroll-top {
        position: fixed;
        bottom: 90px;
        right: 24px;
        width: 46px;
        height: 46px;
        border-radius: 50%;
        background: var(--primary);
        color: var(--accent);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 16px;
        box-shadow: 0 8px 24px rgba(13, 31, 60, 0.3);
        z-index: 900;
        transition: var(--transition);
        opacity: 0;
        visibility: hidden;
        border: none;
        cursor: pointer;
    }

    .scroll-top.show {
        opacity: 1;
        visibility: visible;
    }

    .scroll-top:hover {
        background: var(--primary-light);
        transform: translateY(-4px);
    }

    .scroll-top:focus {
        outline: none;
        box-shadow: 0 0 0 4px rgba(233, 161, 59, 0.3);
    }

    /* ========== Responsive ========== */
    @media (max-width: 1024px) {
        .header-inner {
            height: 68px;
        }
        .main-nav .nav-link {
            padding: 8px 14px;
            font-size: 14px;
        }
        .logo-text {
            font-size: 18px;
        }
        .page-banner h1 {
            font-size: 42px;
        }
        .section {
            padding: 72px 0;
        }
        .section-head h2 {
            font-size: 32px;
        }
        .footer-top {
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 36px;
        }
        .cta-box {
            flex-direction: column;
            text-align: center;
            padding: 44px 32px;
        }
        .cta-actions {
            justify-content: center;
        }
        .news-list-item {
            flex-direction: column;
        }
        .news-thumb {
            width: 100%;
            height: 180px;
        }
    }

    @media (max-width: 768px) {
        .header-inner {
            height: 62px;
        }
        .main-nav {
            display: none;
        }
        .header-action {
            display: none;
        }
        .logo-text {
            font-size: 17px;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            font-size: 15px;
            border-radius: 11px;
        }
        .page-banner {
            padding: 90px 0 70px;
        }
        .page-banner h1 {
            font-size: 30px;
        }
        .page-banner .banner-desc {
            font-size: 15px;
        }
        .banner-actions .btn {
            padding: 10px 20px;
            font-size: 14px;
        }
        .banner-meta {
            gap: 14px;
            margin-top: 30px;
        }
        .section {
            padding: 56px 0;
        }
        .section-head {
            margin-bottom: 36px;
        }
        .section-head h2 {
            font-size: 26px;
        }
        .section-head p {
            font-size: 14px;
        }
        .footer-top {
            grid-template-columns: 1fr;
            gap: 36px;
        }
        .footer-brand p {
            max-width: 100%;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .body-mobile-pad {
            padding-bottom: 80px;
        }
        .bottom-tabbar {
            display: flex;
        }
        .cta-box {
            padding: 36px 24px;
        }
        .cta-content h2 {
            font-size: 24px;
        }
        .topic-card {
            height: 260px;
        }
        .step-item {
            margin-bottom: 20px;
        }
        .faq-item {
            padding: 20px;
        }
        .scroll-top {
            bottom: 84px;
            right: 16px;
            width: 40px;
            height: 40px;
        }
        .container {
            padding: 0 18px;
        }
        .news-list-item {
            padding: 14px;
        }
        .news-thumb {
            height: 140px;
            border-radius: 10px;
        }
        .side-card {
            padding: 20px;
        }
    }

    @media (max-width: 520px) {
        .logo-text {
            font-size: 15px;
            letter-spacing: 0;
        }
        .page-banner h1 {
            font-size: 26px;
        }
        .banner-actions {
            flex-direction: column;
            width: 100%;
        }
        .banner-actions .btn {
            width: 100%;
            justify-content: center;
        }
        .banner-meta {
            flex-direction: column;
        }
        .section-head h2 {
            font-size: 23px;
        }
        .section-tag {
            font-size: 12px;
        }
        .data-card .data-num {
            font-size: 36px;
        }
        .tab-item {
            min-width: 60px;
            padding: 6px 10px;
        }
        .cta-actions {
            flex-direction: column;
            width: 100%;
        }
        .cta-actions .btn {
            width: 100%;
            justify-content: center;
        }
        .footer-social a {
            width: 34px;
            height: 34px;
        }
        .bottom-tabbar {
            height: 60px;
        }
        body {
            padding-bottom: 0;
        }
        .body-mobile-pad {
            padding-bottom: 70px;
        }
    }

/* roulang page: category2 */
:root {
        --primary: #0e1f3d;
        --primary-2: #162a4e;
        --primary-3: #1d3560;
        --accent: #f59e42;
        --accent-2: #ff7a59;
        --accent-gradient: linear-gradient(135deg, #f59e42 0%, #ff7a59 100%);
        --bg: #f5f7fb;
        --bg-deep: #0b1629;
        --white: #ffffff;
        --text: #1d2939;
        --text-light: #6b7b90;
        --text-faint: #9aa8bb;
        --border: #e4e9f0;
        --radius-lg: 22px;
        --radius-md: 16px;
        --radius-sm: 10px;
        --shadow-sm: 0 4px 16px rgba(14, 30, 61, 0.06);
        --shadow: 0 10px 40px rgba(14, 30, 61, 0.09);
        --shadow-lg: 0 20px 60px rgba(14, 30, 61, 0.16);
        --max-width: 1200px;
        --transition: all 0.3s ease;
    }

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

    html {
        font-size: 16px;
        scroll-behavior: smooth;
    }

    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        line-height: 1.7;
        color: var(--text);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }

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

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

    ul,
    ol {
        list-style: none;
    }

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

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

    .page-main {
        padding-bottom: 0;
        overflow: hidden;
    }

    /* ===== 顶部导航 ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: saturate(180%) blur(18px);
        -webkit-backdrop-filter: saturate(180%) blur(18px);
        border-bottom: 1px solid var(--border);
        box-shadow: 0 2px 20px rgba(14, 30, 61, 0.05);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 72px;
        gap: 20px;
    }

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

    .logo-icon {
        width: 42px;
        height: 42px;
        border-radius: 12px;
        background: var(--primary);
        color: var(--accent);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        box-shadow: 0 6px 20px rgba(14, 30, 61, 0.22);
    }

    .logo-text {
        font-size: 1.28rem;
        font-weight: 800;
        color: var(--primary);
        letter-spacing: 0.5px;
        white-space: nowrap;
    }

    .logo-text .hl {
        color: var(--accent);
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .nav-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 18px;
        border-radius: 999px;
        font-size: 0.95rem;
        font-weight: 600;
        color: var(--text-light);
        white-space: nowrap;
        transition: var(--transition);
        border: 1px solid transparent;
    }

    .nav-link i {
        font-size: 0.9rem;
        opacity: 0.85;
    }

    .nav-link:hover {
        color: var(--primary);
        background: rgba(14, 30, 61, 0.05);
    }

    .nav-link.active {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 6px 20px rgba(14, 30, 61, 0.25);
    }

    .nav-link.active i {
        color: var(--accent);
        opacity: 1;
    }

    .header-search {
        display: flex;
        align-items: center;
        gap: 10px;
        background: #f0f2f6;
        border-radius: 999px;
        padding: 8px 16px;
        border: 1px solid var(--border);
        transition: var(--transition);
        flex-shrink: 0;
    }

    .header-search:focus-within {
        border-color: var(--accent);
        background: #fff;
        box-shadow: 0 0 0 4px rgba(245, 158, 66, 0.15);
    }

    .header-search i {
        color: var(--text-faint);
        font-size: 0.9rem;
    }

    .header-search input {
        border: none;
        outline: none;
        background: transparent;
        font-size: 0.88rem;
        width: 130px;
        color: var(--text);
    }

    .header-search input::placeholder {
        color: var(--text-faint);
    }

    @media (max-width: 900px) {
        .main-nav {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid var(--border);
            box-shadow: 0 -8px 30px rgba(14, 30, 61, 0.08);
            padding: 10px 8px calc(10px + env(safe-area-inset-bottom, 0px));
            justify-content: space-around;
            z-index: 200;
            display: flex;
            gap: 4px;
        }

        .main-nav .nav-link {
            flex-direction: column;
            gap: 4px;
            padding: 8px 12px;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 14px;
            color: var(--text-light);
            flex: 1;
            justify-content: center;
            text-align: center;
        }

        .main-nav .nav-link i {
            font-size: 1.15rem;
            margin: 0;
        }

        .main-nav .nav-link.active {
            background: rgba(14, 30, 61, 0.08);
            color: var(--primary);
            box-shadow: none;
        }

        .main-nav .nav-link.active i {
            color: var(--accent);
        }

        .header-search {
            display: none;
        }
    }

    @media (max-width: 520px) {
        .logo-text {
            font-size: 1.05rem;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            font-size: 17px;
        }
    }

    @media (min-width: 901px) {
        body {
            padding-bottom: 0;
        }
    }

    /* ===== Hero 区域 ===== */
    .page-hero {
        position: relative;
        background: linear-gradient(135deg, rgba(14, 30, 61, 0.92), rgba(22, 42, 78, 0.85)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        padding: 96px 0 88px;
        color: #fff;
        overflow: hidden;
    }

    .page-hero::after {
        content: '';
        position: absolute;
        bottom: -60px;
        right: -40px;
        width: 360px;
        height: 360px;
        background: radial-gradient(circle, rgba(245, 158, 66, 0.35) 0%, transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }

    .hero-breadcrumb {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 0.88rem;
        margin-bottom: 24px;
        color: rgba(255, 255, 255, 0.75);
    }

    .hero-breadcrumb a {
        color: var(--accent);
        font-weight: 600;
    }

    .hero-breadcrumb i {
        font-size: 0.7rem;
        opacity: 0.6;
    }

    .page-hero h1 {
        font-size: clamp(2rem, 5vw, 3.4rem);
        font-weight: 800;
        line-height: 1.15;
        margin-bottom: 18px;
        letter-spacing: 0.5px;
    }

    .page-hero h1 .grad-text {
        background: linear-gradient(135deg, #f59e42, #ff8a5c);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .hero-desc {
        font-size: 1.1rem;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.88);
        max-width: 640px;
        margin-bottom: 34px;
    }

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

    .btn {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 13px 30px;
        border-radius: 999px;
        font-weight: 700;
        font-size: 0.95rem;
        border: none;
        cursor: pointer;
        transition: var(--transition);
        outline: none;
    }

    .btn-primary {
        background: var(--accent-gradient);
        color: #1d2130;
        box-shadow: 0 8px 30px rgba(245, 158, 66, 0.35);
    }

    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 12px 40px rgba(245, 158, 66, 0.45);
    }

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

    .btn-outline-light:hover {
        border-color: #fff;
        background: rgba(255, 255, 255, 0.1);
        transform: translateY(-3px);
    }

    .btn-block {
        width: 100%;
        justify-content: center;
    }

    .btn:focus-visible {
        outline: 3px solid rgba(245, 158, 66, 0.5);
        outline-offset: 3px;
    }

    /* ===== 亮点数据 ===== */
    .feature-strip {
        position: relative;
        z-index: 2;
        margin-top: -58px;
        padding-bottom: 20px;
    }

    .feature-strip .grid-container {
        max-width: var(--max-width);
    }

    .feature-card {
        background: var(--white);
        border-radius: var(--radius-lg);
        padding: 30px 26px;
        text-align: center;
        box-shadow: var(--shadow-lg);
        border: 1px solid rgba(228, 233, 240, 0.7);
        transition: var(--transition);
        height: 100%;
        position: relative;
        overflow: hidden;
    }

    .feature-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: var(--accent-gradient);
        opacity: 0;
        transition: var(--transition);
    }

    .feature-card:hover::before {
        opacity: 1;
    }

    .feature-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 20px 50px rgba(14, 30, 61, 0.14);
    }

    .feature-icon {
        width: 64px;
        height: 64px;
        margin: 0 auto 20px;
        border-radius: 18px;
        background: linear-gradient(135deg, rgba(245, 158, 66, 0.12), rgba(255, 122, 89, 0.12));
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 28px;
        color: var(--accent);
    }

    .feature-num {
        font-size: 2.2rem;
        font-weight: 800;
        color: var(--primary);
        line-height: 1.2;
    }

    .feature-label {
        font-size: 0.95rem;
        color: var(--text-light);
        margin-top: 6px;
        font-weight: 500;
    }

    /* ===== 板块通用 ===== */
    .section {
        padding: 90px 0;
    }

    .section-alt {
        background: linear-gradient(180deg, #f5f7fb 0%, #eef1f6 100%);
    }

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

    .section-head {
        text-align: center;
        max-width: 760px;
        margin: 0 auto 58px;
    }

    .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 6px 18px;
        border-radius: 999px;
        background: rgba(245, 158, 66, 0.1);
        color: var(--accent);
        font-size: 0.82rem;
        font-weight: 700;
        letter-spacing: 1px;
        margin-bottom: 16px;
        text-transform: uppercase;
    }

    .section-head h2 {
        font-size: clamp(1.8rem, 3.5vw, 2.6rem);
        font-weight: 800;
        color: var(--primary);
        line-height: 1.25;
        margin-bottom: 14px;
    }

    .section-head p {
        color: var(--text-light);
        font-size: 1.05rem;
        line-height: 1.75;
    }

    .section-head.light h2 {
        color: #fff;
    }

    .section-head.light p {
        color: rgba(255, 255, 255, 0.7);
    }

    /* ===== 步骤流程 ===== */
    .steps-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
    }

    .step-item {
        position: relative;
        background: var(--white);
        border-radius: var(--radius-lg);
        padding: 36px 28px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border);
        transition: var(--transition);
        text-align: left;
    }

    .step-item:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow);
        border-color: rgba(245, 158, 66, 0.3);
    }

    .step-num {
        width: 52px;
        height: 52px;
        border-radius: 16px;
        background: var(--accent-gradient);
        color: #1d2130;
        font-size: 1.4rem;
        font-weight: 800;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 20px;
        box-shadow: 0 8px 24px rgba(245, 158, 66, 0.3);
    }

    .step-item h3 {
        font-size: 1.15rem;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 10px;
    }

    .step-item p {
        font-size: 0.95rem;
        color: var(--text-light);
        line-height: 1.75;
    }

    .step-arrow {
        position: absolute;
        top: 50%;
        right: -22px;
        transform: translateY(-50%);
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: var(--bg);
        border: 1px solid var(--border);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--accent);
        font-size: 1.1rem;
        z-index: 2;
        box-shadow: var(--shadow-sm);
    }

    @media (max-width: 900px) {
        .steps-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .step-arrow {
            display: none;
        }
    }

    @media (max-width: 520px) {
        .steps-grid {
            grid-template-columns: 1fr;
        }
    }

    /* ===== 功能模块卡片 ===== */
    .module-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }

    .module-card {
        background: var(--white);
        border-radius: var(--radius-lg);
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        padding: 34px 30px;
        transition: var(--transition);
        position: relative;
        overflow: hidden;
    }

    .module-card::after {
        content: '';
        position: absolute;
        right: -30px;
        bottom: -30px;
        width: 120px;
        height: 120px;
        border-radius: 50%;
        background: linear-gradient(135deg, rgba(245, 158, 66, 0.06), rgba(255, 122, 89, 0.04));
        pointer-events: none;
    }

    .module-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow);
        border-color: rgba(14, 30, 61, 0.15);
    }

    .module-icon {
        width: 58px;
        height: 58px;
        border-radius: 16px;
        background: var(--primary);
        color: var(--accent);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
        margin-bottom: 22px;
        box-shadow: 0 8px 24px rgba(14, 30, 61, 0.22);
        transition: var(--transition);
    }

    .module-card:hover .module-icon {
        background: var(--accent-gradient);
        color: #1d2130;
        box-shadow: 0 8px 30px rgba(245, 158, 66, 0.35);
    }

    .module-card h3 {
        font-size: 1.16rem;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 10px;
    }

    .module-card p {
        font-size: 0.94rem;
        color: var(--text-light);
        line-height: 1.72;
    }

    .module-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        margin-top: 18px;
        font-size: 0.88rem;
        font-weight: 700;
        color: var(--accent);
    }

    .module-link i {
        transition: transform 0.2s ease;
    }

    .module-link:hover i {
        transform: translateX(4px);
    }

    @media (max-width: 900px) {
        .module-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 520px) {
        .module-grid {
            grid-template-columns: 1fr;
        }
    }

    /* ===== 图文区块 ===== */
    .guide-blocks {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 44px;
        align-items: center;
        margin-bottom: 0;
    }

    .guide-blocks.reverse .guide-img-wrap {
        order: 2;
    }

    .guide-blocks.reverse .guide-content {
        order: 1;
    }

    .guide-img-wrap {
        position: relative;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-lg);
    }

    .guide-img-wrap img {
        width: 100%;
        height: 340px;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

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

    .guide-img-badge {
        position: absolute;
        bottom: 20px;
        left: 20px;
        background: rgba(255, 255, 255, 0.94);
        backdrop-filter: blur(10px);
        padding: 8px 18px;
        border-radius: 999px;
        font-size: 0.82rem;
        font-weight: 700;
        color: var(--primary);
        box-shadow: var(--shadow-sm);
    }

    .guide-content {
        padding: 20px 0;
    }

    .guide-content .tag {
        display: inline-block;
        background: rgba(245, 158, 66, 0.12);
        color: var(--accent);
        font-size: 0.78rem;
        font-weight: 700;
        padding: 5px 14px;
        border-radius: 999px;
        margin-bottom: 16px;
        letter-spacing: 0.5px;
    }

    .guide-content h3 {
        font-size: 1.65rem;
        font-weight: 800;
        color: var(--primary);
        line-height: 1.35;
        margin-bottom: 16px;
    }

    .guide-content p {
        color: var(--text-light);
        line-height: 1.8;
        margin-bottom: 20px;
        font-size: 1rem;
    }

    .guide-list {
        margin-bottom: 24px;
    }

    .guide-list li {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        padding: 7px 0;
        font-size: 0.95rem;
        color: var(--text);
    }

    .guide-list li i {
        color: var(--accent);
        margin-top: 4px;
        font-size: 0.85rem;
    }

    .btn-secondary {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 6px 24px rgba(14, 30, 61, 0.25);
    }

    .btn-secondary:hover {
        background: var(--primary-2);
        transform: translateY(-3px);
        box-shadow: 0 10px 32px rgba(14, 30, 61, 0.32);
    }

    @media (max-width: 900px) {
        .guide-blocks {
            grid-template-columns: 1fr;
            gap: 32px;
        }

        .guide-blocks.reverse .guide-img-wrap {
            order: 1;
        }

        .guide-blocks.reverse .guide-content {
            order: 2;
        }
    }

    /* ===== 资讯列表 ===== */
    .article-list {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }

    .article-card {
        background: var(--white);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border);
        transition: var(--transition);
        display: flex;
        flex-direction: column;
    }

    .article-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow);
        border-color: rgba(245, 158, 66, 0.3);
    }

    .article-img {
        height: 200px;
        position: relative;
        overflow: hidden;
    }

    .article-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

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

    .article-cate {
        position: absolute;
        top: 14px;
        left: 14px;
        background: rgba(255, 255, 255, 0.94);
        backdrop-filter: blur(10px);
        padding: 4px 14px;
        border-radius: 999px;
        font-size: 0.78rem;
        font-weight: 700;
        color: var(--primary);
    }

    .article-body {
        padding: 26px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .article-body h3 {
        font-size: 1.13rem;
        font-weight: 700;
        line-height: 1.5;
        color: var(--primary);
        margin-bottom: 12px;
    }

    .article-body h3 a:hover {
        color: var(--accent);
    }

    .article-body p {
        font-size: 0.92rem;
        color: var(--text-light);
        line-height: 1.7;
        flex: 1;
        margin-bottom: 18px;
    }

    .article-meta {
        display: flex;
        align-items: center;
        gap: 16px;
        font-size: 0.82rem;
        color: var(--text-faint);
        border-top: 1px solid var(--border);
        padding-top: 16px;
    }

    .article-meta i {
        margin-right: 4px;
        color: var(--accent);
    }

    @media (max-width: 900px) {
        .article-list {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 520px) {
        .article-list {
            grid-template-columns: 1fr;
        }
    }

    /* ===== 注意事项 ===== */
    .notice-wrap {
        background: var(--white);
        border-radius: var(--radius-lg);
        padding: 40px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border);
        display: grid;
        grid-template-columns: 1fr 1.2fr;
        gap: 40px;
        align-items: center;
    }

    .notice-title {
        display: flex;
        align-items: center;
        gap: 16px;
        margin-bottom: 18px;
    }

    .notice-title .icon {
        width: 56px;
        height: 56px;
        border-radius: 16px;
        background: var(--primary);
        color: var(--accent);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
    }

    .notice-title h3 {
        font-size: 1.45rem;
        font-weight: 800;
        color: var(--primary);
    }

    .notice-wrap p {
        color: var(--text-light);
        line-height: 1.8;
        font-size: 0.98rem;
    }

    .notice-list {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }

    .notice-item {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        background: var(--bg);
        border-radius: var(--radius-sm);
        padding: 16px 18px;
        border: 1px solid var(--border);
        font-size: 0.9rem;
        line-height: 1.65;
        color: var(--text);
    }

    .notice-item i {
        color: var(--accent);
        margin-top: 3px;
        font-size: 0.9rem;
    }

    @media (max-width: 900px) {
        .notice-wrap {
            grid-template-columns: 1fr;
            padding: 30px;
        }

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

    /* ===== FAQ ===== */
    .faq-wrap {
        max-width: 860px;
        margin: 0 auto;
    }

    .accordion-item {
        background: var(--white);
        border-radius: var(--radius-md);
        margin-bottom: 16px;
        overflow: hidden;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
    }

    .accordion-item:hover {
        border-color: rgba(245, 158, 66, 0.35);
    }

    .accordion-title {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 22px 28px;
        cursor: pointer;
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--primary);
        transition: var(--transition);
    }

    .accordion-title:hover {
        color: var(--accent);
    }

    .accordion-title .ai {
        width: 34px;
        height: 34px;
        border-radius: 50%;
        background: rgba(245, 158, 66, 0.1);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--accent);
        flex-shrink: 0;
        transition: var(--transition);
    }

    .accordion-content {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease;
        border-top: 0 solid var(--border);
    }

    .accordion-item.open .accordion-content {
        max-height: 400px;
        border-top-width: 1px;
    }

    .accordion-item.open .accordion-title .ai {
        background: var(--accent-gradient);
        color: #1d2130;
        transform: rotate(45deg);
    }

    .accordion-content .inner {
        padding: 20px 28px 26px;
        color: var(--text-light);
        font-size: 0.96rem;
        line-height: 1.8;
    }

    /* ===== CTA ===== */
    .cta-section {
        background: linear-gradient(135deg, #0e1f3d 0%, #162a4e 60%, #1d3560 100%);
        position: relative;
        overflow: hidden;
        padding: 70px 0;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        top: -80px;
        left: -60px;
        width: 320px;
        height: 320px;
        background: radial-gradient(circle, rgba(245, 158, 66, 0.2) 0%, transparent 70%);
        border-radius: 50%;
    }

    .cta-inner {
        text-align: center;
        position: relative;
        z-index: 2;
    }

    .cta-inner h2 {
        font-size: clamp(1.7rem, 3.5vw, 2.6rem);
        font-weight: 800;
        color: #fff;
        margin-bottom: 16px;
    }

    .cta-inner p {
        color: rgba(255, 255, 255, 0.7);
        font-size: 1.05rem;
        max-width: 560px;
        margin: 0 auto 30px;
        line-height: 1.75;
    }

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

    /* ===== 页脚 ===== */
    .site-footer {
        background: #0b1425;
        color: rgba(255, 255, 255, 0.72);
        padding-top: 64px;
    }

    .footer-top {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr;
        gap: 50px;
        padding-bottom: 48px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-logo {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 18px;
    }

    .footer-logo .logo-icon {
        background: rgba(255, 255, 255, 0.08);
        color: var(--accent);
        box-shadow: none;
    }

    .footer-logo .logo-text {
        color: #fff;
    }

    .footer-brand p {
        line-height: 1.8;
        font-size: 0.94rem;
        max-width: 340px;
    }

    .footer-social {
        display: flex;
        gap: 14px;
        margin-top: 24px;
    }

    .footer-social a {
        width: 42px;
        height: 42px;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.07);
        display: flex;
        align-items: center;
        justify-content: center;
        color: rgba(255, 255, 255, 0.7);
        transition: var(--transition);
        border: 1px solid transparent;
    }

    .footer-social a:hover {
        background: var(--accent-gradient);
        color: #1d2130;
        transform: translateY(-3px);
        box-shadow: 0 8px 24px rgba(245, 158, 66, 0.3);
    }

    .footer-col h4 {
        color: #fff;
        font-size: 1.05rem;
        font-weight: 700;
        margin-bottom: 20px;
    }

    .footer-col ul li {
        margin-bottom: 12px;
    }

    .footer-col ul a {
        color: rgba(255, 255, 255, 0.65);
        font-size: 0.92rem;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        transition: var(--transition);
    }

    .footer-col ul a i {
        font-size: 0.7rem;
        color: var(--accent);
        opacity: 0.7;
    }

    .footer-col ul a:hover {
        color: var(--accent);
        padding-left: 4px;
    }

    .footer-bottom {
        padding: 22px 0;
        text-align: center;
        font-size: 0.9rem;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-bottom a {
        color: var(--accent);
        font-weight: 600;
    }

    .footer-bottom a:hover {
        text-decoration: underline;
    }

    @media (max-width: 900px) {
        .footer-top {
            grid-template-columns: 1fr 1fr;
            gap: 36px;
        }
    }

    @media (max-width: 520px) {
        .footer-top {
            grid-template-columns: 1fr;
            gap: 30px;
        }

        .section {
            padding: 60px 0;
        }

        .page-hero {
            padding: 70px 0 80px;
        }
    }

    /* ===== 移动端底部预留空间 ===== */
    body {
        padding-bottom: env(safe-area-inset-bottom, 0px);
    }

    @media (max-width: 900px) {
        body {
            padding-bottom: 72px;
        }
    }

    /* ===== 动画 ===== */
    @keyframes fadeUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .animate-up {
        animation: fadeUp 0.6s ease both;
    }

    .d-1 { animation-delay: 0.1s; }
    .d-2 { animation-delay: 0.2s; }
    .d-3 { animation-delay: 0.3s; }
    .d-4 { animation-delay: 0.4s; }

    /* 响应式调整 */
    @media (max-width: 900px) {
        .header-inner {
            min-height: 62px;
        }
    }