* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Segoe UI', 'Noto Sans SC', sans-serif; background: #f2efe8; color: #2d2a24; line-height: 1.7; }
        a { color: #3a5c3a; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #7c5c3a; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        /* 导航 */
        .navbar { background: linear-gradient(135deg, #1a3a1a, #7c5c3a); padding: 12px 0; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 12px rgba(0,0,0,0.3); }
        .navbar .container { display: flex; align-items: center; justify-content: space-between; }
        .logo { color: #f5efe0; font-weight: 700; font-size: 1.5rem; letter-spacing: 2px; }
        .nav-links { display: flex; gap: 28px; }
        .nav-links a { color: #e8e0d0; font-weight: 500; padding: 6px 0; border-bottom: 2px solid transparent; transition: border-color 0.3s; }
        .nav-links a:hover { border-bottom-color: #d4b48c; color: #fff; }
        /* 通用卡片 */
        .card { background: #fcf9f2; border-radius: 16px; padding: 28px; box-shadow: 0 4px 16px rgba(0,0,0,0.06); border: 1px solid #e2d9c8; position: relative; overflow: hidden; }
        .card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: linear-gradient(90deg, #1a3a1a, #7c5c3a); }
        .section-title { font-size: 1.8rem; font-weight: 700; color: #1a3a1a; margin-bottom: 24px; display: flex; align-items: center; gap: 12px; }
        .section-title::after { content: ''; flex: 1; height: 2px; background: linear-gradient(90deg, #7c5c3a, transparent); }
        .btn-cta { display: inline-block; background: linear-gradient(135deg, #1a3a1a, #5a7a3a); color: #fff; padding: 14px 36px; border-radius: 40px; font-weight: 600; letter-spacing: 1px; transition: transform 0.3s, box-shadow 0.3s; }
        .btn-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(26,58,26,0.3); color: #fff; }
        /* hero */
        .hero { background: linear-gradient(135deg, #1a3a1a 0%, #3f5a3a 40%, #7c5c3a 100%); padding: 80px 0; color: #f5efe0; position: relative; }
        .hero::after { content: ''; position: absolute; inset: 0; background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" opacity="0.05"><path d="M20 20 L80 20 L80 80 L20 80 Z" fill="none" stroke="%23fff" stroke-width="0.5"/><path d="M30 30 L70 30 L70 70 L30 70 Z" fill="none" stroke="%23fff" stroke-width="0.5"/></svg>') repeat; pointer-events: none; }
        .hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
        .hero h1 { font-size: 2.6rem; font-weight: 800; line-height: 1.2; margin-bottom: 20px; }
        .hero p { font-size: 1.1rem; opacity: 0.9; margin-bottom: 28px; }
        .hero-img img { width: 100%; border-radius: 20px; box-shadow: 0 20px 40px rgba(0,0,0,0.4); border: 2px solid rgba(255,255,255,0.1); }
        /* 网格 */
        .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
        /* geo section */
        .geo-card { background: #f5efe6; border-left: 6px solid #7c5c3a; padding: 28px; border-radius: 12px; }
        /* 新闻卡片 */
        .news-item { background: #fff; border-radius: 14px; padding: 20px; box-shadow: 0 2px 8px rgba(0,0,0,0.04); border: 1px solid #eae3d6; transition: transform 0.2s; }
        .news-item:hover { transform: translateY(-3px); }
        .news-item .date { font-size: 0.85rem; color: #7c5c3a; font-weight: 600; }
        .news-item h3 { font-size: 1.2rem; margin: 8px 0 10px; color: #1a3a1a; }
        .news-item p { color: #5a5548; font-size: 0.95rem; }
        /* faq */
        .faq-item { border-bottom: 1px solid #e2d9c8; padding: 20px 0; }
        .faq-item h4 { font-size: 1.1rem; color: #1a3a1a; margin-bottom: 10px; cursor: pointer; }
        .faq-item p { color: #4d483e; }
        /* 统计 */
        .stat-number { font-size: 2.8rem; font-weight: 800; color: #1a3a1a; }
        .stat-label { color: #6a5f4a; font-weight: 500; }
        /* footer */
        .footer { background: #1a2a18; color: #cdc5b0; padding: 40px 0 20px; margin-top: 60px; }
        .footer a { color: #b8ad96; }
        .footer a:hover { color: #e8dcc8; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
        .footer-bottom { border-top: 1px solid #2f3f2a; margin-top: 30px; padding-top: 20px; text-align: center; font-size: 0.9rem; }
        /* 响应式 */
        @media (max-width: 768px) {
            .hero-grid { grid-template-columns: 1fr; }
            .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
            .nav-links { gap: 14px; flex-wrap: wrap; }
        }
        .feature-icon { font-size: 2.2rem; margin-bottom: 10px; }
        .img-fluid { max-width: 100%; height: auto; border-radius: 12px; }
        .mt-4 { margin-top: 40px; }
        .mb-4 { margin-bottom: 40px; }
        .text-center { text-align: center; }
        .badge { display: inline-block; background: #d4c5a8; color: #1a3a1a; padding: 4px 14px; border-radius: 20px; font-size: 0.8rem; font-weight: 600; }