:root { --primary: #ff6b81; --secondary: #70a1ff; --bg: #fff5f7; --text: #2d3436; }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: 'PingFang SC', sans-serif; background-color: var(--bg); color: var(--text); line-height: 1.6; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        header { background: #fff; padding: 15px 0; position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
        .nav-wrapper { display: flex; align-items: center; justify-content: space-between; }
        .nav-links { display: flex; gap: 0; }
        .nav-links a { padding: 10px 15px; text-decoration: none; color: var(--text); font-weight: 500; }
        .hero { padding: 80px 0; text-align: center; background: linear-gradient(135deg, #fff 0%, #ffeef2 100%); }
        h1 { font-size: 2.8rem; margin-bottom: 20px; color: var(--primary); }
        .btn { display: inline-block; padding: 12px 30px; background: var(--primary); color: #fff; text-decoration: none; border-radius: 50px; font-weight: bold; transition: 0.3s; }
        .btn:hover { transform: translateY(-3px); box-shadow: 0 5px 15px rgba(255,107,129,0.3); }
        section { padding: 60px 0; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
        .card { background: #fff; padding: 30px; border-radius: 20px; box-shadow: 0 5px 20px rgba(0,0,0,0.05); transition: 0.3s; }
        .card:hover { transform: translateY(-10px); }
        table { width: 100%; border-collapse: collapse; margin-top: 20px; }
        th, td { padding: 15px; border: 1px solid #eee; text-align: left; }
        footer { background: #2d3436; color: #fff; padding: 40px 0; text-align: center; }
        .float-kefu { position: fixed; right: 20px; bottom: 50px; z-index: 999; }
        @media (max-width: 768px) { .nav-links { display: none; } }