* {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
        background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #1e293b 100%);
        color: #e2e8f0;
        line-height: 1.75;
        min-height: 100vh;
        overflow-x: hidden;
    }
    a {
        color: #f97316;
        text-decoration: none;
        transition: color 0.2s ease;
    }
    a:hover {
        color: #fb923c;
    }
    img {
        max-width: 100%;
        display: block;
    }
    .site-header {
        position: fixed;
        top: 0;
        width: 100%;
        z-index: 1000;
        background: rgba(15, 23, 42, 0.92);
        backdrop-filter: blur(8px);
        border-bottom: 2px solid #334155;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    }
    .header-inner {
        max-width: 1280px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 12px 24px;
        gap: 16px;
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .logo img {
        width: 44px;
        height: 44px;
        border-radius: 6px;
        border: 2px solid #64748b;
        box-shadow: inset 0 0 0 2px #0f172a;
    }
    .nav-links {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
    }
    .nav-links a {
        display: inline-block;
        padding: 6px 16px;
        border-radius: 20px;
        background: #1e293b;
        border: 1px solid #475569;
        color: #e2e8f0;
        font-weight: 600;
        font-size: 15px;
    }
    .nav-links a:hover {
        background: #334155;
        color: #f97316;
        border-color: #f97316;
    }
    .main-container {
        max-width: 1280px;
        margin: 0 auto;
        padding: 96px 24px 40px;
    }
    .section {
        margin-bottom: 48px;
        background: rgba(30, 41, 59, 0.6);
        border: 2px solid #334155;
        border-radius: 16px;
        padding: 36px 28px;
        box-shadow: inset 0 0 0 2px #1e293b, 0 12px 24px rgba(0, 0, 0, 0.3);
        position: relative;
    }
    .section h2 {
        font-size: 28px;
        color: #f97316;
        margin-bottom: 18px;
        border-left: 4px solid #f97316;
        padding-left: 16px;
    }
    .section h3 {
        font-size: 18px;
        color: #f1f5f9;
        margin-bottom: 6px;
    }
    .hero {
        background: radial-gradient(ellipse at 30% 40%, rgba(249, 115, 22, 0.12), transparent 60%), linear-gradient(135deg, #0f172a, #1e293b);
        border: 2px solid #475569;
        padding: 60px 32px;
        text-align: center;
        box-shadow: inset 0 0 0 4px #1e293b, 0 20px 40px rgba(0, 0, 0, 0.5);
    }
    .hero h1 {
        font-size: 40px;
        font-weight: 800;
        color: #f8fafc;
        margin-bottom: 12px;
        letter-spacing: 2px;
    }
    .hero h1 span {
        color: #f97316;
    }
    .geo-content {
        max-width: 960px;
        margin: 20px auto 0;
        font-size: 16px;
        color: #cbd5e1;
        text-align: left;
        padding: 24px 28px;
        background: rgba(15, 23, 42, 0.6);
        border-radius: 12px;
        border: 1px solid #475569;
    }
    .grid-2 {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .grid-3 {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .grid-4 {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .card {
        background: linear-gradient(145deg, #334155, #1e293b);
        border: 2px solid #475569;
        border-radius: 12px;
        padding: 24px;
        box-shadow: inset 0 0 0 2px #0f172a, 0 6px 14px rgba(0, 0, 0, 0.4);
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .card:hover {
        transform: translateY(-4px);
        box-shadow: inset 0 0 0 2px #0f172a, 0 12px 20px rgba(0, 0, 0, 0.5);
    }
    .stat-number {
        font-size: 36px;
        font-weight: 800;
        color: #f97316;
        line-height: 1.2;
    }
    .stat-label {
        color: #94a3b8;
        font-size: 14px;
        margin-top: 6px;
    }
    .btn {
        display: inline-block;
        padding: 10px 28px;
        border-radius: 24px;
        font-weight: 700;
        background: linear-gradient(90deg, #f97316, #ea580c);
        color: #fff;
        border: 2px solid #fdba74;
        box-shadow: 0 4px 10px rgba(249, 115, 22, 0.4);
        margin: 6px 8px;
    }
    .btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 18px rgba(249, 115, 22, 0.5);
        color: #fff;
    }
    .btn-outline {
        background: transparent;
        border-color: #64748b;
        color: #e2e8f0;
        box-shadow: none;
    }
    .btn-outline:hover {
        border-color: #f97316;
        color: #f97316;
    }
    .flex-row {
        display: flex;
        align-items: center;
        gap: 24px;
        flex-wrap: wrap;
    }
    .flex-row img {
        width: 100%;
        max-width: 360px;
        border-radius: 12px;
        border: 2px solid #475569;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
    }
    .timeline-item {
        padding-left: 28px;
        border-left: 3px solid #f97316;
        margin-bottom: 16px;
        position: relative;
    }
    .timeline-item::before {
        content: "";
        position: absolute;
        left: -9px;
        top: 6px;
        width: 15px;
        height: 15px;
        background: #f97316;
        border-radius: 50%;
        border: 2px solid #0f172a;
    }
    .timeline-item h4 {
        color: #f1f5f9;
        font-size: 18px;
        margin-bottom: 4px;
    }
    .timeline-item p {
        color: #94a3b8;
    }
    .resource-block {
        padding: 18px;
        border-radius: 12px;
        background: #0f172a;
        border: 1px solid #1e293b;
        margin-bottom: 12px;
    }
    .news-card {
        background: #0f172a;
        border: 2px solid #334155;
        border-radius: 12px;
        padding: 20px;
        box-shadow: inset 0 0 0 2px #1e293b, 0 6px 12px rgba(0, 0, 0, 0.3);
        transition: border-color 0.2s;
    }
    .news-card:hover {
        border-color: #f97316;
    }
    .news-card h3 {
        color: #f8fafc;
        font-size: 18px;
        margin-bottom: 8px;
    }
    .news-card p {
        color: #94a3b8;
        font-size: 14px;
        margin-top: 6px;
    }
    .faq-item {
        margin-bottom: 16px;
        background: #0f172a;
        border: 1px solid #334155;
        border-radius: 10px;
        padding: 18px 20px;
    }
    .faq-item h3 {
        color: #f97316;
        font-size: 17px;
    }
    .faq-item p {
        margin-top: 6px;
        color: #cbd5e1;
        font-size: 15px;
    }
    .testimonial {
        background: #0f172a;
        border: 2px solid #334155;
        border-radius: 12px;
        padding: 20px;
        box-shadow: inset 0 0 0 2px #1e293b;
    }
    .testimonial p {
        font-style: italic;
        color: #cbd5e1;
        margin-bottom: 8px;
    }
    .testimonial span {
        color: #f97316;
        font-weight: 600;
        font-size: 14px;
    }
    .cta-section {
        text-align: center;
        background: linear-gradient(135deg, rgba(249, 115, 22, 0.08), transparent), #1e293b;
        padding: 56px 32px;
    }
    .cta-section h2 {
        margin-bottom: 8px;
    }
    .cta-section p {
        max-width: 720px;
        margin: 12px auto 24px;
        color: #94a3b8;
    }
    .rank-list {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 14px;
    }
    .rank-item {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 14px;
        background: #0f172a;
        border: 1px solid #334155;
        border-radius: 10px;
    }
    .rank-item .rank-num {
        font-size: 20px;
        font-weight: 800;
        color: #f97316;
        width: 36px;
        text-align: center;
    }
    .rank-item .rank-name {
        flex: 1;
        color: #e2e8f0;
        font-weight: 600;
    }
    .rank-item .rank-val {
        color: #94a3b8;
        font-size: 13px;
    }
    .partner-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        justify-content: center;
        margin-top: 16px;
    }
    .partner-badge {
        padding: 10px 22px;
        background: #0f172a;
        border: 2px solid #334155;
        border-radius: 24px;
        font-weight: 700;
        color: #94a3b8;
        font-size: 14px;
    }
    .partner-badge:hover {
        border-color: #f97316;
        color: #f97316;
    }
    .site-footer {
        background: #0f172a;
        border-top: 2px solid #334155;
        padding: 40px 24px 24px;
        margin-top: 24px;
    }
    .footer-inner {
        max-width: 1280px;
        margin: 0 auto;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
        margin-bottom: 28px;
    }
    .footer-grid h4 {
        color: #f97316;
        margin-bottom: 10px;
        font-size: 16px;
    }
    .footer-grid ul {
        list-style: none;
    }
    .footer-grid li {
        margin-bottom: 8px;
    }
    .footer-grid a {
        color: #94a3b8;
        font-size: 14px;
    }
    .footer-grid a:hover {
        color: #f97316;
    }
    .footer-bottom {
        border-top: 1px solid #1e293b;
        padding-top: 18px;
        text-align: center;
        color: #64748b;
        font-size: 14px;
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        justify-content: center;
    }
    .footer-bottom a {
        color: #94a3b8;
    }
    .footer-bottom a:hover {
        color: #f97316;
    }
    .footer-bottom p {
        margin: 4px 12px;
    }
    .footer-addr {
        color: #94a3b8;
        font-size: 13px;
        max-width: 220px;
    }
    .live-badge {
        display: inline-block;
        background: #ef4444;
        color: #fff;
        font-size: 12px;
        border-radius: 10px;
        padding: 2px 10px;
        font-weight: 700;
        margin-left: 8px;
        animation: pulse 1s infinite alternate;
    }
    @keyframes pulse {
        from {
            opacity: 0.7;
        }
        to {
            opacity: 1;
        }
    }
    .stats-icon {
        text-align: center;
        margin-bottom: 10px;
    }
    .stats-icon img {
        width: 60px;
        height: 60px;
        margin: 0 auto;
        border-radius: 12px;
        border: 2px solid #475569;
    }
    @media (max-width: 768px) {
        .grid-2,
        .grid-3,
        .grid-4,
        .rank-list {
            grid-template-columns: 1fr;
        }
        .header-inner {
            flex-direction: column;
            padding: 12px;
        }
        .nav-links {
            justify-content: center;
        }
        .main-container {
            padding: 120px 12px 24px;
        }
        .hero h1 {
            font-size: 28px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
        }
    }