:root { --primary-color: #2e7d32; --bg-color: #f8fdf8; --text-color: #333; --accent-color: #66bb6a; }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; background: var(--bg-color); color: var(--text-color); line-height: 1.6; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        header { background: #fff; border-bottom: 1px solid #e8f5e9; padding: 15px 0; position: sticky; top: 0; z-index: 1000; }
        .nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
        .nav-links { display: flex; gap: 0; align-items: center; }
        .nav-links a { text-decoration: none; color: #333; padding: 10px 15px; font-weight: 500; transition: color 0.3s; }
        .hero { padding: 80px 0; text-align: center; background: linear-gradient(135deg, #e8f5e9 0%, #fff 100%); }
        h1 { font-size: 2.5rem; margin-bottom: 20px; color: #1b5e20; }
        .btn { display: inline-block; padding: 12px 30px; background: var(--primary-color); color: #fff; border-radius: 6px; text-decoration: none; margin-top: 20px; transition: transform 0.2s; }
        .btn:hover { 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: 12px; border: 1px solid #e8f5e9; transition: box-shadow 0.3s; }
        .card:hover { box-shadow: 0 10px 20px rgba(0,0,0,0.05); }
        .faq-item { margin-bottom: 15px; border-bottom: 1px solid #eee; }
        .faq-q { padding: 15px; cursor: pointer; font-weight: bold; background: #f1f8e9; }
        .faq-a { padding: 15px; display: none; }
        footer { background: #1b5e20; color: #fff; padding: 40px 0; text-align: center; }
        .footer-links a { color: #c8e6c9; margin: 0 10px; text-decoration: none; }