* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: linear-gradient(135deg, #fbfcfd 0%, #f4f6f9 100%);
            color: #1a2332;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        /* 导航栏 */
        .navbar {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(200, 215, 230, 0.3);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 14px 0;
        }
        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .nav-links {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .nav-links a {
            text-decoration: none;
            color: #2c3e50;
            font-weight: 500;
            font-size: 15px;
            transition: color 0.2s;
            letter-spacing: 0.3px;
        }
        .nav-links a:hover {
            color: #4a90d9;
        }
        .nav-brand {
            font-weight: 600;
            font-size: 18px;
            color: #1a2a3a;
            letter-spacing: 0.5px;
        }
        .nav-brand span {
            color: #4a90d9;
        }
        /* H1 */
        .hero-title {
            text-align: center;
            padding: 50px 0 20px;
        }
        .hero-title h1 {
            font-size: 36px;
            font-weight: 700;
            color: #0f1a2b;
            letter-spacing: 1px;
        }
        .hero-title h1 span {
            background: linear-gradient(135deg, #3b7dd8, #5fa3f0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-sub {
            color: #5a6f84;
            font-size: 16px;
            margin-top: 8px;
        }
        /* 通用卡片 */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            padding: 30px 0;
        }
        .card {
            background: #ffffff;
            border-radius: 20px;
            padding: 24px 20px;
            border: 1px solid rgba(220, 230, 245, 0.5);
            box-shadow: 0 4px 12px rgba(0, 20, 40, 0.03);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 20, 40, 0.06);
        }
        .card img {
            width: 100%;
            height: auto;
            border-radius: 12px;
            margin-bottom: 16px;
            object-fit: cover;
            aspect-ratio: 16/9;
            background: #eef2f7;
        }
        .card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: #1a2a3a;
        }
        .card p {
            color: #4a5a6e;
            font-size: 14px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            text-align: center;
            padding: 40px 0 10px;
            color: #0f1a2b;
        }
        .section-sub {
            text-align: center;
            color: #5a6f84;
            margin-bottom: 20px;
            font-size: 15px;
        }
        /* GEO 区域 */
        .geo-block {
            background: #ffffff;
            border-radius: 24px;
            padding: 36px 32px;
            margin: 20px 0 30px;
            border: 1px solid rgba(200, 215, 230, 0.4);
            box-shadow: 0 2px 10px rgba(0,0,0,0.02);
        }
        .geo-block p {
            font-size: 15px;
            color: #2c3e50;
            line-height: 1.9;
        }
        /* 新闻 */
        .news-item {
            background: #ffffff;
            border-radius: 18px;
            padding: 24px;
            margin-bottom: 20px;
            border: 1px solid rgba(220, 230, 245, 0.5);
            transition: background 0.2s;
        }
        .news-item:hover {
            background: #fafcff;
        }
        .news-item .date {
            font-size: 13px;
            color: #7a8b9f;
            margin-bottom: 4px;
        }
        .news-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: #1a2a3a;
            margin-bottom: 6px;
        }
        .news-item p {
            color: #4a5a6e;
            font-size: 14px;
        }
        /* FAQ */
        .faq-item {
            background: #ffffff;
            border-radius: 18px;
            padding: 20px 24px;
            margin-bottom: 16px;
            border: 1px solid rgba(220, 230, 245, 0.4);
        }
        .faq-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: #1a2a3a;
            margin-bottom: 8px;
        }
        .faq-item p {
            color: #3a4b5e;
            font-size: 14px;
            line-height: 1.8;
        }
        /* 页脚 */
        .footer {
            background: #f0f3f8;
            border-top: 1px solid #dce5ef;
            padding: 40px 0 30px;
            margin-top: 50px;
        }
        .footer .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 30px;
        }
        .footer-info {
            flex: 2;
            min-width: 240px;
        }
        .footer-info p {
            font-size: 13px;
            color: #4a5a6e;
            margin-bottom: 6px;
        }
        .footer-links {
            flex: 1;
            min-width: 160px;
            text-align: right;
        }
        .footer-links a {
            color: #2c5f8a;
            text-decoration: none;
            font-size: 13px;
            margin: 0 8px;
        }
        .footer-links a:hover {
            text-decoration: underline;
        }
        .footer-divider {
            width: 100%;
            border-top: 1px solid #d0dceb;
            margin: 20px 0;
        }
        .footer-bottom {
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            font-size: 12px;
            color: #6a7a8e;
        }
        .footer-bottom a {
            color: #2c5f8a;
            text-decoration: none;
            margin: 0 6px;
        }
        .friend-links {
            width: 100%;
            margin: 10px 0;
            font-size: 13px;
        }
        .friend-links a {
            color: #2c5f8a;
            text-decoration: none;
            margin: 0 4px;
        }
        @media (max-width: 768px) {
            .navbar .container {
                flex-direction: column;
                gap: 12px;
            }
            .nav-links {
                gap: 16px;
                justify-content: center;
            }
            .hero-title h1 {
                font-size: 26px;
            }
            .footer .container {
                flex-direction: column;
            }
            .footer-links {
                text-align: left;
            }
        }