/* roulang page: index */
:root {
            --color-primary: #06b6d4;
            --color-primary-dark: #0e7490;
            --color-accent: #f59e0b;
            --color-bg: #f8fafc;
            --color-text: #1e293b;
            --color-text-muted: #64748b;
            --color-border: #e2e8f0;
            --radius-lg: 1rem;
            --radius-xl: 1.5rem;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.16);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
        }

        input:focus-visible,
        button:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(6, 182, 212, 0.5);
            outline-offset: 2px;
            border-radius: 6px;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Navbar */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(8, 51, 68, 0.92);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition-base);
        }

        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }

        .logo-text {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #67e8f9 0%, #22d3ee 50%, #fbbf24 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .logo-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(6, 182, 212, 0.15);
            border: 1px solid rgba(6, 182, 212, 0.3);
            color: #67e8f9;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.15rem 0.6rem;
            border-radius: 999px;
            vertical-align: middle;
            margin-left: 0.5rem;
            letter-spacing: 0.02em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }

        .nav-links a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
            transition: var(--transition-base);
        }

        .nav-links a:hover {
            color: #fff;
            border-bottom-color: var(--color-accent);
        }

        .nav-links a.active {
            color: #fff;
            border-bottom-color: var(--color-primary);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: #fff !important;
            padding: 0.6rem 1.4rem !important;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
            transition: var(--transition-base);
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.4);
        }

        .nav-status {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.75rem;
            color: #6ee7b7;
            background: rgba(16, 185, 129, 0.12);
            border: 1px solid rgba(16, 185, 129, 0.3);
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            font-weight: 500;
        }

        .nav-status .dot {
            width: 6px;
            height: 6px;
            background: #34d399;
            border-radius: 50%;
            display: inline-block;
            animation: pulse-dot 1.5s infinite;
        }

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

        .menu-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 0.5rem;
        }

        /* Mobile Menu */
        .mobile-menu {
            display: none;
            background: #0f172a;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1rem;
        }

        .mobile-menu.show {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 0.8rem 1rem;
            color: rgba(255, 255, 255, 0.8);
            border-radius: 0.5rem;
            font-size: 0.95rem;
        }

        .mobile-menu a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: #fff;
            overflow: hidden;
            background: linear-gradient(135deg, rgba(8, 51, 68, 0.85), rgba(15, 23, 42, 0.9)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            padding: 2rem;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(6, 182, 212, 0.2);
            border: 1px solid rgba(6, 182, 212, 0.4);
            color: #67e8f9;
            padding: 0.5rem 1.2rem;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1.5rem;
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            text-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
        }

        .hero h1 .highlight {
            background: linear-gradient(135deg, #67e8f9, #fbbf24);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.25rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 2.5rem;
            line-height: 1.8;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.9rem 2rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition-base);
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, #06b6d4, #0ea5e9);
            color: #fff;
            box-shadow: 0 4px 20px rgba(6, 182, 212, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(6, 182, 212, 0.5);
        }

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

        .btn-outline:hover {
            border-color: #67e8f9;
            color: #67e8f9;
            background: rgba(6, 182, 212, 0.1);
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin-top: 4rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .stat-item {
            text-align: center;
        }

        .stat-value {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(135deg, #67e8f9, #fbbf24);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.3rem;
        }

        /* Section */
        .section {
            padding: 5rem 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-tag {
            display: inline-block;
            background: rgba(6, 182, 212, 0.1);
            color: #0891b2;
            font-weight: 600;
            font-size: 0.8rem;
            padding: 0.4rem 1rem;
            border-radius: 999px;
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            color: #0f172a;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            color: var(--color-text-muted);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1.05rem;
        }

        /* Feature Cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 2rem;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #06b6d4, #f59e0b);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.5s ease;
        }

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

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

        .feature-icon {
            width: 52px;
            height: 52px;
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(245, 158, 11, 0.15));
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #0891b2;
            margin-bottom: 1.25rem;
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: #0f172a;
        }

        .feature-card p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* Category Cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .category-card {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            cursor: pointer;
            display: block;
            min-height: 260px;
        }

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

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

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

        .category-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 1.8rem;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.75) 100%);
            color: #fff;
        }

        .category-overlay h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
        }

        .category-overlay p {
            font-size: 0.9rem;
            opacity: 0.85;
            line-height: 1.6;
        }

        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: #67e8f9;
            font-size: 0.85rem;
            font-weight: 600;
            margin-top: 0.8rem;
        }

        /* News List */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
            align-items: start;
        }

        .news-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .news-card-image {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .news-card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 0.8rem;
        }

        .news-card-meta .category {
            background: #f0f9ff;
            color: #0582a4;
            padding: 0.15rem 0.6rem;
            border-radius: 999px;
            font-weight: 500;
        }

        .news-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            line-height: 1.4;
            flex: 1;
        }

        .news-card h3 a {
            color: #0f172a;
            transition: var(--transition-base);
        }

        .news-card h3 a:hover {
            color: #0891b2;
        }

        .news-excerpt {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .news-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 1rem;
            border-top: 1px solid #f1f5f9;
        }

        .read-more {
            color: #0891b2;
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .read-more i {
            transition: transform 0.3s ease;
            font-size: 0.75rem;
        }

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

        .news-date {
            font-size: 0.8rem;
            color: #94a3b8;
        }

        /* Journey / Timeline */
        .journey-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #083344 100%);
            color: #fff;
        }

        .journey-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            position: relative;
        }

        .journey-item {
            text-align: center;
            padding: 2.5rem 1.5rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-xl);
            border: 1px solid rgba(255, 255, 255, 0.1);
            position: relative;
            transition: var(--transition-base);
        }

        .journey-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-5px);
        }

        .journey-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, #06b6d4, #f59e0b);
            border-radius: 50%;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 1.2rem;
        }

        .journey-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }

        .journey-item p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* Data Section */
        .data-section {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }

        .data-block {
            text-align: center;
            padding: 2rem;
            background: #fff;
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
        }

        .data-block .data-number {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, #0891b2, #d97706);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .data-block .data-title {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            margin-top: 0.5rem;
        }

        /* FAQ */
        .faq-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-card);
            border-color: #cbd5e1;
        }

        .faq-item h3 {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            font-size: 1rem;
            font-weight: 600;
            color: #0f172a;
            margin-bottom: 0.8rem;
        }

        .faq-item h3 .icon-circle {
            width: 28px;
            height: 28px;
            background: rgba(6, 182, 212, 0.1);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: #0891b2;
            flex-shrink: 0;
        }

        .faq-item p {
            color: var(--color-text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-left: 2.8rem;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0f172a 0%, #083344 100%);
            padding: 5rem 0;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, transparent 50%);
            animation: rotate-glow 20s linear infinite;
        }

        @keyframes rotate-glow {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

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

        .cta-content h2 {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 4rem 0 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-brand .logo-text {
            font-size: 1.25rem;
            display: inline-block;
            margin-bottom: 1rem;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-links h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

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

        .footer-links li {
            margin-bottom: 0.7rem;
        }

        .footer-links a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }

        .footer-links a:hover {
            color: #67e8f9;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .footer-bottom a {
            color: #64748b;
        }

        .footer-bottom a:hover {
            color: #67e8f9;
        }

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

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

            .hero h1 {
                font-size: 2.75rem;
            }
        }

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

            .menu-btn {
                display: block;
            }

            .hero h1 {
                font-size: 2.2rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .nav-status,
            .nav-cta {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }

            .feature-grid,
            .category-grid,
            .journey-grid,
            .data-section,
            .faq-list {
                grid-template-columns: 1fr;
            }

            .hero {
                min-height: auto;
                padding: 8rem 0 4rem;
            }

            .hero h1 {
                font-size: 1.8rem;
            }

            .section {
                padding: 3rem 0;
            }

            .section-title {
                font-size: 1.75rem;
            }

            .section-tag {
                font-size: 0.7rem;
            }
        }

/* roulang page: article */
:root {
    --bg-dark: #0c1022;
    --bg-deep: #070b18;
    --bg-card: #131a2d;
    --bg-card-hover: #1a2338;
    --border: #2a3550;
    --text-light: #eef2f9;
    --text-body: #c3cddd;
    --text-muted: #8192ab;
    --primary: #f0a94d;
    --primary-hover: #ffc06e;
    --accent: #55b7e6;
    --success: #3ecf8e;
    --radius: 14px;
    --radius-lg: 20px;
    --shadow: 0 8px 30px rgba(0, 0, 0, .25);
    --shadow-hover: 0 16px 44px rgba(0, 0, 0, .35);
    --transition: all .25s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg-deep);
    color: var(--text-body);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
}

ul,
ol {
    list-style: none;
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Header & Nav ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 15, 30, .82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, .06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 74px;
}

.logo-text {
    font-size: 22px;
    font-weight: 900;
    color: var(--text-light);
    letter-spacing: 1px;
    white-space: nowrap;
}

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

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

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

.nav-links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: 40px;
    color: var(--text-body);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--text-light);
    background: rgba(255, 255, 255, .06);
}

.nav-links a.active {
    color: var(--bg-dark);
    background: var(--primary);
    font-weight: 600;
}

.nav-status {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 14px;
    border-radius: 40px;
    background: rgba(62, 207, 142, .1);
    border: 1px solid rgba(62, 207, 142, .22);
    color: var(--success);
    font-size: 12px;
    font-weight: 500;
    margin: 0 6px;
}

.dot {
    width: 6px;
    height: 6px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 1.6s infinite;
}

@keyframes pulse {
    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(62, 207, 142, .5);
    }
    50% {
        box-shadow: 0 0 0 6px rgba(62, 207, 142, 0);
    }
}

.nav-cta {
    background: var(--primary) !important;
    color: var(--bg-dark) !important;
    font-weight: 600 !important;
    padding: 8px 22px !important;
    border-radius: 40px !important;
    box-shadow: 0 4px 18px rgba(240, 169, 77, .25);
}

.nav-cta:hover {
    background: var(--primary-hover) !important;
    color: var(--bg-dark) !important;
    transform: translateY(-1px);
    box-shadow: 0 8px 26px rgba(240, 169, 77, .35);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 22px;
    color: var(--text-light);
    padding: 8px 10px;
    border-radius: 8px;
}

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

/* ===== Article Banner ===== */
.article-banner {
    position: relative;
    padding: 90px 0 64px;
    background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
}

.article-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(7, 11, 24, .92), rgba(12, 16, 34, .78) 50%, rgba(7, 11, 24, .94));
}

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

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 22px;
}

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

.breadcrumb .sep {
    color: rgba(255, 255, 255, .25);
}

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

.article-banner h1 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 900;
    color: var(--text-light);
    line-height: 1.35;
    margin-bottom: 18px;
    max-width: 900px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: 40px;
    background: rgba(240, 169, 77, .14);
    color: var(--primary);
    border: 1px solid rgba(240, 169, 77, .28);
    font-size: 12px;
    font-weight: 500;
}

.meta-time,
.meta-read {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== Article Layout ===== */
.article-section {
    padding: 44px 0 56px;
    background: var(--bg-deep);
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 32px;
    align-items: start;
}

.article-main {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 44px;
    min-height: 360px;
    overflow: hidden;
}

.article-content {
    font-size: 15px;
    line-height: 1.9;
    color: var(--text-body);
}

.article-content h2 {
    font-size: 22px;
    color: var(--text-light);
    margin: 32px 0 16px;
    padding-left: 16px;
    border-left: 4px solid var(--primary);
    line-height: 1.4;
}

.article-content h3 {
    font-size: 18px;
    color: var(--text-light);
    margin: 24px 0 12px;
}

.article-content p {
    margin-bottom: 18px;
}

.article-content ul {
    margin: 16px 0 22px;
    padding-left: 22px;
}

.article-content ul li {
    margin-bottom: 10px;
    position: relative;
}

.article-content ul li::before {
    content: '';
    position: absolute;
    left: -18px;
    top: 11px;
    width: 7px;
    height: 7px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(240, 169, 77, .4);
}

.article-content img {
    max-width: 100%;
    border-radius: var(--radius);
    margin: 22px 0;
    border: 1px solid var(--border);
}

.article-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 4px;
}

.article-content blockquote {
    border-left: 4px solid var(--primary);
    padding: 16px 20px;
    background: rgba(240, 169, 77, .07);
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 20px 0;
    color: var(--text-light);
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.article-content th {
    background: rgba(240, 169, 77, .12);
    padding: 11px 16px;
    border: 1px solid var(--border);
    color: var(--text-light);
    font-weight: 600;
    text-align: left;
    font-size: 14px;
}

.article-content td {
    padding: 11px 16px;
    border: 1px solid var(--border);
    font-size: 14px;
}

.empty-content {
    padding: 60px 20px;
    text-align: center;
    color: var(--text-muted);
}

.empty-content i {
    font-size: 42px;
    color: var(--primary);
    margin-bottom: 16px;
    opacity: .6;
}

.empty-content p {
    font-size: 15px;
}

/* ===== Error Box ===== */
.error-box {
    padding: 80px 30px;
    text-align: center;
    border-radius: var(--radius-lg);
    border: 1px dashed rgba(240, 169, 77, .3);
    background: rgba(240, 169, 77, .04);
}

.error-box i {
    font-size: 50px;
    color: var(--primary);
    opacity: .7;
    margin-bottom: 18px;
}

.error-box h2 {
    font-size: 28px;
    color: var(--text-light);
    margin-bottom: 12px;
    font-weight: 900;
}

.error-box p {
    color: var(--text-muted);
    margin-bottom: 28px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--primary);
    color: var(--bg-dark);
    border-radius: 40px;
    font-weight: 600;
    font-size: 14px;
    border: none;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(240, 169, 77, .22);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 32px rgba(240, 169, 77, .3);
    color: var(--bg-dark);
}

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

.btn-primary:focus-visible {
    outline: 2px solid var(--text-light);
    outline-offset: 3px;
}

/* ===== Sidebar ===== */
.article-side {
    display: grid;
    gap: 22px;
    position: sticky;
    top: 96px;
}

.side-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px;
    transition: var(--transition);
}

.side-card:hover {
    border-color: rgba(240, 169, 77, .3);
}

.side-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.side-card h3 i {
    color: var(--primary);
}

.side-list {
    display: grid;
    gap: 12px;
}

.side-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-muted);
    padding: 10px 14px;
    background: rgba(255, 255, 255, .03);
    border-radius: 10px;
}

.side-list li strong {
    color: var(--text-light);
    font-weight: 500;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.side-list .status-text {
    color: var(--success);
}

.side-links {
    display: grid;
    gap: 6px;
}

.side-links a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 14px;
    border-radius: 10px;
    font-size: 14px;
    color: var(--text-body);
    transition: var(--transition);
}

.side-links a i {
    font-size: 10px;
    color: var(--primary);
}

.side-links a:hover {
    background: rgba(240, 169, 77, .08);
    color: var(--primary);
    padding-left: 18px;
}

.side-tip p {
    font-size: 13px;
    line-height: 1.8;
    color: var(--text-muted);
}

.side-tip p strong {
    color: var(--text-light);
}

/* ===== Related Section ===== */
.related-section {
    padding: 56px 0 64px;
    background: var(--bg-dark);
    border-top: 1px solid rgba(255, 255, 255, .05);
}

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 32px;
}

.section-overline {
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 6px;
}

.section-head h2 {
    font-size: 30px;
    font-weight: 900;
    color: var(--text-light);
    line-height: 1.3;
}

.section-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--primary);
    font-weight: 500;
    padding: 8px 18px;
    border-radius: 40px;
    border: 1px solid rgba(240, 169, 77, .3);
    transition: var(--transition);
}

.section-more:hover {
    background: rgba(240, 169, 77, .1);
    transform: translateX(4px);
}

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

.related-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.related-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(240, 169, 77, .35);
}

.thumb {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

.thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .45s ease;
}

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

.related-body {
    padding: 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.related-body .badge {
    align-self: flex-start;
}

.related-body h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-light);
    line-height: 1.5;
    transition: var(--transition);
}

.related-card:hover .related-body h3 {
    color: var(--primary);
}

.related-body p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ===== CTA ===== */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #070b18 0%, #131a2d 50%, #0c1022 100%);
    border-top: 1px solid rgba(255, 255, 255, .05);
    border-bottom: 1px solid rgba(255, 255, 255, .05);
}

.cta-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    background: rgba(240, 169, 77, .06);
    border: 1px solid rgba(240, 169, 77, .2);
    border-radius: var(--radius-lg);
    padding: 48px 56px;
    box-shadow: var(--shadow);
}

.cta-box h2 {
    font-size: 30px;
    font-weight: 900;
    color: var(--text-light);
    margin-bottom: 10px;
}

.cta-box p {
    font-size: 15px;
    color: var(--text-muted);
}

.btn-lg {
    font-size: 16px;
    padding: 15px 36px;
    white-space: nowrap;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--bg-deep);
    border-top: 1px solid rgba(255, 255, 255, .06);
    padding: 64px 0 28px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 44px;
}

.footer-brand .logo-text {
    font-size: 20px;
    margin-bottom: 16px;
    display: inline-block;
}

.footer-brand p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.9;
    max-width: 360px;
    margin-top: 14px;
}

.footer-links h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 18px;
    letter-spacing: .5px;
}

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

.footer-links a {
    font-size: 13px;
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-top: 26px;
    border-top: 1px solid rgba(255, 255, 255, .06);
    font-size: 13px;
    color: var(--text-muted);
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-side {
        position: static;
        grid-template-columns: 1fr 1fr;
    }

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

    .cta-box {
        flex-direction: column;
        text-align: center;
        padding: 40px 30px;
    }

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

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .header-inner {
        height: 66px;
    }

    .nav-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 66px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: rgba(10, 15, 30, .97);
        backdrop-filter: blur(14px);
        padding: 20px 24px;
        gap: 8px;
        border-bottom: 1px solid var(--border);
        display: none;
        box-shadow: 0 20px 40px rgba(0, 0, 0, .4);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a,
    .nav-links .nav-status {
        justify-content: center;
        padding: 13px 18px;
        font-size: 15px;
        margin: 0;
    }

    .article-banner {
        padding: 64px 0 48px;
    }

    .article-banner h1 {
        font-size: 28px;
    }

    .article-main {
        padding: 28px;
    }

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

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

    .cta-box {
        padding: 32px 24px;
    }

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

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .section-head {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 520px) {
    .container {
        padding: 0 18px;
    }

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

    .article-main {
        padding: 20px;
        border-radius: 16px;
    }

    .article-content {
        font-size: 14px;
    }

    .article-content h2 {
        font-size: 19px;
    }

    .article-meta {
        gap: 10px;
    }

    .cta-box {
        padding: 28px 18px;
    }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --bg-primary: #0b1222;
            --bg-secondary: #111a30;
            --bg-card: #182238;
            --bg-deep: #080e1e;
            --border-color: #2a3650;
            --text-primary: #e8edf5;
            --text-secondary: #8b9bb4;
            --text-muted: #667188;
            --brand: #4f7cff;
            --brand-light: #5b8cff;
            --brand-dark: #2b5fff;
            --accent: #d4a853;
            --accent-light: #e4b962;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 18px 40px rgba(0, 0, 0, 0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        input,
        textarea {
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(11, 18, 34, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(42, 54, 80, 0.6);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(8, 14, 30, 0.96);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
        }

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

        .logo-text {
            font-size: 1.4rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: #fff;
            background: linear-gradient(135deg, #ffffff 0%, #c8d8ff 40%, #d4a853 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 1.75rem;
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 0.5rem 0.25rem;
            position: relative;
            transition: var(--transition);
        }

        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--brand), var(--accent));
            border-radius: 2px;
            transition: width 0.3s ease;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #fff;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-status {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.82rem;
            font-weight: 500;
            color: #7ce7c4;
            background: rgba(34, 197, 94, 0.12);
            border: 1px solid rgba(34, 197, 94, 0.25);
            padding: 0.35rem 0.85rem;
            border-radius: 999px;
            white-space: nowrap;
        }

        .nav-status .dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #22c55e;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(34, 197, 94, 0);
            }
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
            color: #fff !important;
            padding: 0.6rem 1.3rem !important;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 4px 18px rgba(43, 95, 255, 0.35);
            transition: var(--transition);
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(43, 95, 255, 0.5);
            color: #fff;
        }

        .nav-cta::after {
            display: none;
        }

        .mobile-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 1.2rem;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.16);
        }

        @media (min-width: 1024px) {
            .mobile-toggle {
                display: none;
            }
        }

        /* ===== 移动端菜单 ===== */
        .mobile-menu {
            position: fixed;
            top: 76px;
            left: 0;
            right: 0;
            z-index: 45;
            background: rgba(8, 14, 30, 0.98);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(42, 54, 80, 0.7);
            padding: 1rem 1.5rem 1.5rem;
            transform: translateY(-110%);
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            max-height: calc(100vh - 76px);
            overflow-y: auto;
        }

        .mobile-menu.open {
            transform: translateY(0);
        }

        .mobile-menu a {
            display: block;
            padding: 0.8rem 0.75rem;
            border-radius: 10px;
            font-weight: 500;
            font-size: 1rem;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #fff;
            background: rgba(79, 124, 255, 0.12);
        }

        .mobile-menu .mobile-status {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: #7ce7c4;
            margin: 0.5rem 0.75rem;
            background: rgba(34, 197, 94, 0.1);
            padding: 0.3rem 0.8rem;
            border-radius: 999px;
        }

        .mobile-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            margin-top: 0.75rem;
            background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
            color: #fff !important;
            border-radius: 999px;
            font-weight: 600;
            text-align: center;
            width: 100%;
        }

        /* ===== Hero 区域 ===== */
        .page-hero {
            position: relative;
            padding: 8rem 0 4.5rem;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-bottom: 1px solid rgba(42, 54, 80, 0.5);
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 14, 30, 0.86) 0%, rgba(8, 14, 30, 0.72) 40%, rgba(11, 18, 34, 0.94) 100%);
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 1.25rem;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .sep {
            color: var(--text-muted);
            opacity: 0.6;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(212, 168, 83, 0.15);
            border: 1px solid rgba(212, 168, 83, 0.35);
            color: var(--accent-light);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 0.35rem 1rem;
            border-radius: 999px;
            margin-bottom: 1.25rem;
        }

        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #fff 0%, #d9e4ff 60%, #e4b962 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero .hero-desc {
            font-size: 1.1rem;
            color: #a9b4cc;
            max-width: 640px;
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            gap: 0.9rem;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.8rem 1.6rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
            color: #fff;
            box-shadow: 0 4px 20px rgba(43, 95, 255, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(43, 95, 255, 0.5);
        }

        .btn-outline {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(212, 168, 83, 0.5);
            transform: translateY(-3px);
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
            color: #0b1222;
            box-shadow: 0 4px 20px rgba(212, 168, 83, 0.3);
        }

        .btn-gold:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(212, 168, 83, 0.45);
            color: #0b1222;
        }

        .btn:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 5rem 0;
        }

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

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 3.5rem;
        }

        .section-head .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-light);
            text-transform: none;
            letter-spacing: 0.08em;
            background: rgba(212, 168, 83, 0.1);
            border: 1px solid rgba(212, 168, 83, 0.25);
            padding: 0.3rem 1rem;
            border-radius: 999px;
            margin-bottom: 1rem;
        }

        .section-head h2 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 1rem;
            color: #fff;
        }

        .section-head p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .section-head .head-line {
            width: 56px;
            height: 3px;
            background: linear-gradient(90deg, var(--brand), var(--accent));
            border-radius: 3px;
            margin: 1.25rem auto 0;
        }

        /* ===== 核心说明 ===== */
        .overview-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3.5rem;
            align-items: center;
        }

        .overview-text h3 {
            font-size: 1.65rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
            color: #fff;
            line-height: 1.3;
        }

        .overview-text p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.9rem;
            padding: 1rem 1.25rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(42, 54, 80, 0.6);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .feature-list li:hover {
            background: rgba(79, 124, 255, 0.06);
            border-color: rgba(79, 124, 255, 0.3);
        }

        .feature-list li i {
            font-size: 1.1rem;
            color: var(--accent-light);
            margin-top: 2px;
            flex-shrink: 0;
        }

        .feature-list li span {
            font-size: 0.97rem;
            color: #c6d0e2;
            line-height: 1.6;
        }

        .overview-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(42, 54, 80, 0.6);
        }

        .overview-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .overview-visual::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 14, 30, 0.2) 0%, rgba(8, 14, 30, 0.85) 100%);
            pointer-events: none;
        }

        .overview-card-tag {
            position: absolute;
            left: 1.5rem;
            bottom: 1.5rem;
            z-index: 2;
            color: #fff;
        }

        .overview-card-tag span {
            font-size: 0.8rem;
            color: var(--accent-light);
            display: block;
            margin-bottom: 0.3rem;
        }

        .overview-card-tag strong {
            font-size: 1.15rem;
            font-weight: 700;
        }

        @media (min-width: 1024px) {
            .overview-grid {
                grid-template-columns: 1fr 1fr;
                gap: 4rem;
            }
        }

        /* ===== 功能卡片 ===== */
        .feature-card-wrap {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 1.75rem;
        }

        @media (min-width: 768px) {
            .feature-card-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .feature-card-wrap {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid rgba(42, 54, 80, 0.6);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(79, 124, 255, 0.35);
        }

        .feature-card .card-img {
            position: relative;
            height: 170px;
            overflow: hidden;
        }

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

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

        .feature-card .card-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 14, 30, 0) 40%, rgba(8, 14, 30, 0.5) 100%);
        }

        .feature-card .card-icon {
            position: absolute;
            right: 1rem;
            bottom: 1rem;
            z-index: 2;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            color: #0b1222;
            font-size: 1.1rem;
            box-shadow: 0 6px 16px rgba(212, 168, 83, 0.3);
        }

        .feature-card .card-body {
            padding: 1.5rem 1.5rem 1.75rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .feature-card .card-body h3 {
            font-size: 1.18rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.65rem;
        }

        .feature-card .card-body p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        .feature-card .card-tags {
            display: flex;
            gap: 0.5rem;
            margin-top: 1.25rem;
            flex-wrap: wrap;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            background: rgba(79, 124, 255, 0.12);
            color: #a3c0ff;
            border: 1px solid rgba(79, 124, 255, 0.25);
        }

        .badge-gold {
            background: rgba(212, 168, 83, 0.12);
            color: var(--accent-light);
            border-color: rgba(212, 168, 83, 0.3);
        }

        .badge-green {
            background: rgba(34, 197, 94, 0.12);
            color: #7ce7c4;
            border-color: rgba(34, 197, 94, 0.3);
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            position: relative;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-top: 1px solid rgba(42, 54, 80, 0.5);
            border-bottom: 1px solid rgba(42, 54, 80, 0.5);
        }

        .stats-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8, 14, 30, 0.92), rgba(11, 18, 34, 0.96));
        }

        .stats-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }

        @media (min-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .stat-item {
            text-align: center;
            padding: 1.5rem 1rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(212, 168, 83, 0.3);
            transform: translateY(-4px);
        }

        .stat-item .stat-icon {
            font-size: 1.6rem;
            margin-bottom: 0.5rem;
            color: var(--accent-light);
        }

        .stat-item .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 0.4rem;
        }

        /* ===== 流程 ===== */
        .process-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .process-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .process-item {
            position: relative;
            background: var(--bg-card);
            border: 1px solid rgba(42, 54, 80, 0.6);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem 1.75rem;
            transition: var(--transition);
        }

        .process-item:hover {
            border-color: rgba(79, 124, 255, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .process-item .step-num {
            position: absolute;
            top: 1rem;
            right: 1.25rem;
            font-size: 2.4rem;
            font-weight: 800;
            color: rgba(79, 124, 255, 0.2);
            line-height: 1;
            letter-spacing: -0.04em;
        }

        .process-item .step-icon {
            width: 50px;
            height: 50px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-light);
            background: rgba(212, 168, 83, 0.1);
            border: 1px solid rgba(212, 168, 83, 0.25);
            margin-bottom: 1.25rem;
        }

        .process-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
        }

        .process-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(42, 54, 80, 0.6);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(79, 124, 255, 0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.2rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            width: 100%;
            background: transparent;
            transition: var(--transition);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--text-secondary);
            font-size: 0.75rem;
            transition: var(--transition);
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: rgba(212, 168, 83, 0.15);
            border-color: rgba(212, 168, 83, 0.4);
            color: var(--accent-light);
        }

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

        .faq-answer p {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            background: linear-gradient(135deg, rgba(79, 124, 255, 0.12), rgba(212, 168, 83, 0.08));
            border-top: 1px solid rgba(42, 54, 80, 0.5);
            text-align: center;
        }

        .cta-box {
            background: var(--bg-card);
            border: 1px solid rgba(42, 54, 80, 0.7);
            border-radius: var(--radius-xl);
            padding: 3rem 2rem;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 168, 83, 0.18) 0%, transparent 70%);
        }

        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(79, 124, 255, 0.14) 0%, transparent 70%);
        }

        .cta-box .cta-icon {
            width: 64px;
            height: 64px;
            border-radius: 20px;
            margin: 0 auto 1.25rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-light);
            background: rgba(212, 168, 83, 0.12);
            border: 1px solid rgba(212, 168, 83, 0.3);
        }

        .cta-box h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
        }

        .cta-box p {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 480px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            gap: 0.9rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(42, 54, 80, 0.5);
            padding: 4rem 0 0;
            color: var(--text-secondary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            padding-bottom: 3rem;
            border-bottom: 1px solid rgba(42, 54, 80, 0.4);
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }

        .footer-brand .logo-text {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            display: inline-block;
        }

        .footer-brand p {
            font-size: 0.92rem;
            line-height: 1.7;
            margin-top: 1rem;
            color: var(--text-secondary);
            max-width: 380px;
        }

        .footer-links h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1.25rem;
        }

        .footer-links ul {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
            padding: 1.5rem 0;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-secondary);
            transition: var(--transition);
        }

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

        /* ===== 响应式微调 ===== */
        @media (max-width: 640px) {
            .page-hero {
                padding: 7rem 0 3.5rem;
            }

            .page-hero h1 {
                font-size: 2rem;
            }

            .page-hero .hero-desc {
                font-size: 1rem;
            }

            .section {
                padding: 3.5rem 0;
            }

            .section-head h2 {
                font-size: 1.7rem;
            }

            .cta-box {
                padding: 2rem 1.25rem;
            }

            .cta-box h2 {
                font-size: 1.5rem;
            }

            .stat-item .stat-number {
                font-size: 1.7rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .logo-text {
                font-size: 1.2rem;
            }

            .header-inner {
                height: 68px;
            }

            .mobile-menu {
                top: 68px;
            }

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