:root { --primary: #0052cc; --accent: #00a3ff; --bg: #f8fbff; --text: #2d3436; --card-bg: #ffffff; }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: 'Segoe UI', Roboto, 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: 2px solid #e1e8ed; position: sticky; top: 0; z-index: 1000; }
        .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); font-weight: 500; transition: color 0.3s; }
        .hero { padding: 80px 0; text-align: center; background: linear-gradient(135deg, #e0eafc, #cfdef3); border-radius: 0 0 50px 50px; }
        .hero h1 { font-size: 3rem; margin-bottom: 20px; color: var(--primary); }
        .btn { display: inline-block; padding: 12px 30px; background: var(--primary); color: #fff; border-radius: 30px; text-decoration: none; font-weight: 600; margin: 10px; transition: transform 0.2s; }
        .btn:hover { transform: translateY(-3px); opacity: 0.9; }
        section { padding: 60px 0; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
        .card { background: var(--card-bg); padding: 30px; border-radius: 15px; box-shadow: 0 10px 20px rgba(0,0,0,0.05); }
        table { width: 100%; border-collapse: collapse; margin: 20px 0; }
        th, td { border: 1px solid #ddd; padding: 12px; text-align: center; }
        footer { background: #1a1a1a; color: #ccc; padding: 40px 0; text-align: center; }
        .form-group { margin-bottom: 15px; }
        input, select, textarea { width: 100%; padding: 10px; margin-top: 5px; border: 1px solid #ccc; border-radius: 5px; }