* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; background: linear-gradient(145deg, #f0f9ff 0%, #e0f2fe 100%); color: #1e293b; line-height: 1.6; min-height: 100vh; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        /* 导航 */
        nav { background: rgba(255,255,255,0.7); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255,255,255,0.3); position: sticky; top: 0; z-index: 100; padding: 12px 0; }
        .nav-inner { display: flex; justify-content: space-between; align-items: center; }
        .nav-links { display: flex; gap: 24px; flex-wrap: wrap; }
        .nav-links a { text-decoration: none; color: #0c4a6e; font-weight: 500; padding: 6px 12px; border-radius: 30px; transition: all 0.2s; font-size: 0.95rem; }
        .nav-links a:hover { background: linear-gradient(135deg, #0ea5e9, #7dd3fc); color: white; }
        .logo { font-size: 1.5rem; font-weight: 800; background: linear-gradient(135deg, #0ea5e9, #0284c7); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        /* 卡片 */
        .card { background: rgba(255,255,255,0.55); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-radius: 28px; padding: 28px 32px; box-shadow: 0 8px 32px rgba(14,165,233,0.08); border: 1px solid rgba(255,255,255,0.6); transition: transform 0.2s; margin-bottom: 28px; }
        .card:hover { transform: translateY(-2px); }
        /* 标题 */
        h1 { font-size: 2.6rem; font-weight: 800; background: linear-gradient(135deg, #0369a1, #0ea5e9); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 18px; letter-spacing: -0.01em; }
        h2 { font-size: 2rem; font-weight: 700; color: #0369a1; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
        h2::before { content: "⚡"; font-size: 1.8rem; }
        h3 { font-size: 1.3rem; font-weight: 600; color: #0c4a6e; margin-bottom: 8px; }
        /* 网格 */
        .grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
        .grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
        /* 图片 */
        .img-fluid { width: 100%; height: auto; border-radius: 20px; object-fit: cover; max-height: 300px; box-shadow: 0 4px 16px rgba(0,0,0,0.04); }
        .img-gallery { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
        .img-gallery img { width: calc(33.333% - 12px); min-width: 200px; flex: 1 1 auto; }
        /* 按钮/CTA */
        .btn-cta { display: inline-block; background: linear-gradient(135deg, #0ea5e9, #38bdf8); color: white; padding: 14px 44px; border-radius: 60px; font-weight: 600; font-size: 1.1rem; text-decoration: none; box-shadow: 0 8px 24px rgba(14,165,233,0.3); transition: all 0.3s; border: none; cursor: pointer; }
        .btn-cta:hover { transform: scale(1.02); box-shadow: 0 12px 32px rgba(14,165,233,0.4); }
        /* 页脚 */
        footer { background: rgba(255,255,255,0.5); backdrop-filter: blur(12px); border-top: 1px solid rgba(255,255,255,0.4); padding: 32px 0; margin-top: 40px; font-size: 0.9rem; color: #334155; }
        footer a { color: #0ea5e9; text-decoration: none; }
        footer .links { display: flex; flex-wrap: wrap; gap: 12px 20px; justify-content: center; margin: 16px 0; }
        /* 新闻卡片 */
        .news-item { padding: 18px 0; border-bottom: 1px solid rgba(14,165,233,0.15); }
        .news-item:last-child { border: none; }
        .news-date { color: #64748b; font-size: 0.85rem; margin-bottom: 4px; }
        .news-title { font-weight: 600; font-size: 1.1rem; color: #0c4a6e; margin-bottom: 6px; }
        .news-summary { color: #475569; }
        /* FAQ */
        .faq-item { padding: 20px 0; border-bottom: 1px solid rgba(14,165,233,0.1); }
        .faq-q { font-weight: 600; color: #0369a1; margin-bottom: 6px; font-size: 1.1rem; }
        .faq-a { color: #334155; }
        /* 统计数字 */
        .stat-number { font-size: 2.8rem; font-weight: 800; background: linear-gradient(135deg, #0ea5e9, #7dd3fc); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .stat-label { font-size: 0.95rem; color: #475569; }
        /* 响应式 */
        @media (max-width: 768px) {
            h1 { font-size: 2rem; }
            .nav-links { gap: 8px; }
            .nav-links a { font-size: 0.8rem; padding: 4px 10px; }
            .img-gallery img { width: 100%; }
        }
        .hero-section { padding: 60px 0 30px; text-align: center; }
        .hero-section p { max-width: 720px; margin: 0 auto; font-size: 1.15rem; color: #1e293b; }
        .tagline { font-size: 1.2rem; color: #0c4a6e; margin-bottom: 20px; }
        .geo-text { margin: 20px 0; line-height: 1.8; color: #1e293b; font-size: 1rem; }