:root { --primary-color: #FF4500; --text-color: #333; --bg-color: #fff; --gray-bg: #f9f9f9; }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: var(--text-color); line-height: 1.6; background: var(--bg-color); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        header { padding: 20px 0; border-bottom: 1px solid #eee; background: #fff; position: sticky; top: 0; z-index: 1000; }
        .nav-inner { display: flex; justify-content: space-between; align-items: center; }
        .nav-links { display: flex; gap: 0; list-style: none; }
        .nav-links a { text-decoration: none; color: #333; padding: 0 15px; font-weight: 500; transition: color 0.3s; }
        .hero { padding: 100px 0; text-align: center; background: linear-gradient(135deg, #fff5f0, #fff); }
        h1 { font-size: 3rem; color: var(--primary-color); margin-bottom: 20px; }
        .btn { display: inline-block; padding: 12px 30px; background: var(--primary-color); color: #fff; text-decoration: none; border-radius: 5px; font-weight: bold; transition: transform 0.2s; }
        .btn:hover { transform: translateY(-2px); }
        section { padding: 60px 0; }
        .grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 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); }
        footer { background: #333; color: #fff; padding: 40px 0; text-align: center; }
        .faq-item { margin-bottom: 20px; border-bottom: 1px solid #444; padding-bottom: 10px; cursor: pointer; }
        .faq-answer { display: none; padding: 10px 0; color: #ccc; }
        table { width: 100%; border-collapse: collapse; margin-top: 20px; }
        th, td { padding: 15px; border: 1px solid #eee; text-align: left; }