:root { --primary: #6366f1; --accent: #f472b6; --bg: #f8fafc; --text: #1e293b; }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: 'PingFang SC', sans-serif; background: 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; border-bottom: 1px solid #e2e8f0; position: sticky; top: 0; z-index: 100; }
        .nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
        .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, #eef2ff, #fff); }
        .hero h1 { font-size: 3rem; margin-bottom: 20px; }
        .btn { display: inline-block; padding: 12px 30px; background: var(--primary); color: #fff; border-radius: 8px; text-decoration: none; transition: 0.3s; }
        .btn:hover { opacity: 0.9; transform: translateY(-2px); }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin: 40px 0; }
        .card { background: #fff; padding: 30px; border-radius: 16px; border: 1px solid #e2e8f0; }
        section { padding: 60px 0; }
        footer { background: #1e293b; color: #cbd5e1; padding: 40px 0; text-align: center; }
        footer a { color: #fff; text-decoration: none; margin: 0 10px; }