:root { --primary: #007bff; --text: #333; --bg: #fff; --gray: #f8f9fa; }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.6; color: var(--text); background: var(--bg); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        header { padding: 20px 0; border-bottom: 1px solid #eee; }
        .nav-inner { display: flex; align-items: center; justify-content: space-between; }
        .nav-links { display: flex; gap: 0; }
        .nav-links a { padding: 0 15px; text-decoration: none; color: var(--text); font-weight: 500; }
        .hero { padding: 80px 0; text-align: center; background: linear-gradient(135deg, #f0f7ff, #ffffff); }
        h1 { font-size: 2.5rem; margin-bottom: 20px; color: #000; }
        .btn { display: inline-block; padding: 12px 30px; background: var(--primary); color: #fff; border-radius: 5px; text-decoration: none; transition: 0.3s; }
        .btn:hover { background: #0056b3; }
        section { padding: 60px 0; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
        .card { padding: 30px; border: 1px solid #eee; border-radius: 10px; transition: 0.3s; }
        .card:hover { box-shadow: 0 10px 20px rgba(0,0,0,0.1); transform: translateY(-5px); }
        table { width: 100%; border-collapse: collapse; margin-top: 20px; }
        th, td { padding: 15px; border: 1px solid #eee; text-align: left; }
        footer { padding: 40px 0; background: #333; color: #ccc; text-align: center; }
        .faq-item { margin-bottom: 15px; border: 1px solid #ddd; padding: 15px; cursor: pointer; }
        .comment { font-style: italic; border-left: 4px solid var(--primary); padding-left: 15px; margin: 20px 0; }
        @media (max-width: 768px) { .nav-links { display: none; } }