:root { --primary-color: #6366f1; --dark-bg: #0f172a; --text-color: #1e293b; --light-bg: #f8fafc; }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'PingFang SC', sans-serif; line-height: 1.6; color: var(--text-color); background: #ffffff; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        header { padding: 20px 0; background: #fff; position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid #e2e8f0; }
        .nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
        .nav-links { display: flex; gap: 0; list-style: none; }
        .nav-links a { padding: 10px 15px; text-decoration: none; color: var(--text-color); font-weight: 500; }
        .hero { padding: 80px 0; background: linear-gradient(135deg, #eef2ff 0%, #ffffff 100%); text-align: center; }
        .hero h1 { font-size: 3rem; margin-bottom: 20px; color: var(--dark-bg); }
        .btn { padding: 12px 30px; background: var(--primary-color); color: #fff; border-radius: 8px; text-decoration: none; display: inline-block; transition: 0.3s; }
        .section { padding: 60px 0; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
        .card { padding: 25px; border: 1px solid #e2e8f0; border-radius: 12px; transition: 0.3s; background: #fff; }
        .card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.05); }
        .footer { background: var(--dark-bg); color: #cbd5e1; padding: 40px 0; text-align: center; }
        .faq-item { margin-bottom: 15px; border-bottom: 1px solid #334155; }
        .faq-question { padding: 15px; cursor: pointer; font-weight: bold; }
        table { width: 100%; border-collapse: collapse; margin-top: 20px; }
        th, td { border: 1px solid #e2e8f0; padding: 12px; text-align: left; }
        @media (max-width: 768px) { .nav-links { display: none; } .hero h1 { font-size: 2rem; } }