:root { --primary-color: #2ecc71; --text-color: #333; --bg-color: #f9fffb; --accent-color: #27ae60; }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; color: var(--text-color); background: var(--bg-color); line-height: 1.6; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        header { background: #fff; padding: 15px 0; border-bottom: 1px solid #e1e1e1; position: sticky; top: 0; z-index: 1000; }
        .nav-inner { display: flex; justify-content: space-between; align-items: center; }
        .logo-box { width: 150px; }
        nav .nav-links { display: flex; gap: 0; }
        nav .nav-links a { padding: 10px 15px; text-decoration: none; color: #333; font-weight: 500; transition: color 0.3s; }
        .hero { padding: 80px 0; text-align: center; background: linear-gradient(135deg, #f0fff4 0%, #e8f5e9 100%); }
        .hero h1 { font-size: 2.8rem; margin-bottom: 20px; color: #1b5e20; }
        .btn { display: inline-block; padding: 12px 30px; background: var(--primary-color); color: #fff; border-radius: 5px; text-decoration: none; margin: 10px; transition: transform 0.2s; }
        .btn:hover { transform: translateY(-2px); }
        .section { padding: 60px 0; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
        .card { background: #fff; padding: 30px; border-radius: 10px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); transition: box-shadow 0.3s; }
        .card:hover { box-shadow: 0 8px 15px rgba(0,0,0,0.1); }
        table { width: 100%; border-collapse: collapse; margin: 20px 0; }
        th, td { border: 1px solid #ddd; padding: 12px; text-align: left; }
        footer { background: #2c3e50; color: #fff; padding: 40px 0; text-align: center; }
        .faq-item { margin-bottom: 15px; border-bottom: 1px solid #eee; padding-bottom: 10px; }
        .faq-q { font-weight: bold; cursor: pointer; }
        .hidden { display: none; }
        @media (max-width: 768px) { .nav-links { display: none; } }