:root { --primary: #ff6b81; --accent: #ffeb3b; --dark: #2d3436; --light: #f9f9f9; }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: 'PingFang SC', sans-serif; line-height: 1.6; color: var(--dark); background-color: #fff; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        header { background: #fff; padding: 15px 0; border-bottom: 1px solid #eee; position: sticky; top: 0; z-index: 1000; }
        nav { display: flex; justify-content: space-between; align-items: center; }
        .nav-links { display: flex; gap: 0; }
        .nav-links a { padding: 0 15px; text-decoration: none; color: var(--dark); font-weight: 500; }
        .hero { padding: 100px 0; background: linear-gradient(135deg, #fff5f7, #f0faff); text-align: center; }
        h1 { font-size: 3rem; 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; }
        .section { padding: 60px 0; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
        .card { padding: 30px; border-radius: 15px; background: #fff; box-shadow: 0 10px 30px rgba(0,0,0,0.05); transition: 0.3s; }
        .card:hover { transform: translateY(-10px); }
        .faq-item { margin-bottom: 15px; border-bottom: 1px solid #eee; }
        .faq-q { padding: 15px; cursor: pointer; font-weight: bold; }
        .faq-a { padding: 15px; display: none; }
        footer { background: var(--dark); color: #fff; padding: 40px 0; text-align: center; }
        .footer-links a { color: #ccc; margin: 0 10px; text-decoration: none; }
        .floating-kefu { position: fixed; right: 20px; bottom: 20px; z-index: 999; }
        @media (max-width: 768px) { .nav-links { display: none; } }