* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            background: #f5f7fa;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            color: #1e293b;
            line-height: 1.6;
            overflow-x: hidden;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        /* 导航 */
        .navbar {
            background: #ffffff;
            border-bottom: 1px solid #e9edf2;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 4px rgba(0,0,0,0.02);
        }
        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 1.6rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: #0b2b40;
        }
        .logo span {
            color: #3b8fc2;
        }
        .nav-links {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .nav-links a {
            text-decoration: none;
            color: #334155;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
            padding: 4px 0;
            border-bottom: 2px solid transparent;
        }
        .nav-links a:hover {
            color: #1e7aa3;
            border-bottom-color: #3b8fc2;
        }
        /* H1 */
        .hero-title {
            text-align: center;
            padding: 60px 0 20px;
        }
        .hero-title h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: #0b2b40;
            letter-spacing: -0.02em;
        }
        .hero-title .sub {
            color: #5b6e84;
            max-width: 720px;
            margin: 16px auto 0;
            font-size: 1.1rem;
        }
        /* 通用卡片 */
        .section-card {
            background: #ffffff;
            border-radius: 20px;
            border: 1px solid #eef1f5;
            padding: 40px 36px;
            margin: 40px 0;
            transition: box-shadow 0.25s;
        }
        .section-card:hover {
            box-shadow: 0 8px 24px rgba(0,20,40,0.04);
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 600;
            margin-bottom: 28px;
            color: #0b2b40;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .section-title:after {
            content: '';
            flex: 1;
            height: 1px;
            background: #dce2e9;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 28px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 28px;
        }
        .img-fluid {
            width: 100%;
            height: auto;
            border-radius: 16px;
            object-fit: cover;
            background: #eef2f6;
        }
        .badge {
            background: #e5f0f9;
            color: #1e6f99;
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 500;
            display: inline-block;
        }
        .btn-outline {
            display: inline-block;
            padding: 10px 28px;
            border: 1.5px solid #3b8fc2;
            border-radius: 40px;
            color: #1e6f99;
            font-weight: 600;
            font-size: 0.95rem;
            text-decoration: none;
            transition: all 0.2s;
            background: transparent;
        }
        .btn-outline:hover {
            background: #3b8fc2;
            color: #fff;
        }
        .text-muted {
            color: #64748b;
            font-size: 0.95rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        /* 新闻卡片 */
        .news-item {
            border-bottom: 1px solid #edf1f7;
            padding: 24px 0;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item h3 {
            font-size: 1.2rem;
            margin-bottom: 6px;
            color: #0f2a3b;
        }
        .news-meta {
            font-size: 0.85rem;
            color: #7a8a9f;
            margin-bottom: 8px;
        }
        .news-summary {
            color: #3c4b5e;
            line-height: 1.7;
        }
        /* FAQ */
        .faq-item {
            padding: 20px 0;
            border-bottom: 1px solid #e9edf3;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: #0b2b40;
        }
        .faq-answer {
            color: #2c3e50;
            padding-left: 6px;
        }
        /* 合作伙伴 */
        .partner-list {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 30px;
            justify-content: center;
            align-items: center;
        }
        .partner-list span {
            background: #f2f6fb;
            padding: 8px 24px;
            border-radius: 40px;
            font-weight: 500;
            color: #1a4d6b;
            border: 1px solid #dce5ef;
        }
        /* 页脚 */
        .footer {
            background: #ffffff;
            border-top: 1px solid #e4eaf0;
            padding: 40px 0 28px;
            margin-top: 60px;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 20px;
        }
        .footer-links a {
            color: #2c4d66;
            text-decoration: none;
            margin: 0 10px;
            font-size: 0.9rem;
        }
        .footer-links a:hover {
            text-decoration: underline;
        }
        .footer-bottom {
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid #e4eaf0;
            text-align: center;
            font-size: 0.85rem;
            color: #5f738b;
        }
        .footer-bottom a {
            color: #2c4d66;
            text-decoration: none;
            margin: 0 6px;
        }
        .friend-links {
            margin: 12px 0;
        }
        /* 响应式 */
        @media (max-width: 700px) {
            .nav-links {
                gap: 16px;
                margin-top: 12px;
            }
            .hero-title h1 {
                font-size: 2rem;
            }
            .section-card {
                padding: 28px 18px;
            }
        }
        .img-gallery {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
            gap: 16px;
            margin: 16px 0;
        }