:root { --primary-red: #d32f2f; --dark-text: #2c3e50; --bg-light: #fff5f5; --white: #ffffff; --gray: #f8f9fa; }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; color: var(--dark-text); line-height: 1.6; background-color: var(--white); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        header { padding: 20px 0; background: var(--white); border-bottom: 2px solid var(--bg-light); position: sticky; top: 0; z-index: 1000; }
        .nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
        .nav-links { display: flex; gap: 0; }
        .nav-links a { padding: 10px 15px; color: var(--dark-text); text-decoration: none; font-weight: 500; }
        .hero { padding: 80px 0; background: linear-gradient(135deg, #fff0f0 0%, #ffffff 100%); text-align: center; }
        h1 { font-size: 3rem; color: var(--primary-red); margin-bottom: 20px; }
        .btn { display: inline-block; padding: 12px 30px; background: var(--primary-red); color: white; text-decoration: none; border-radius: 4px; transition: 0.3s; }
        .section { padding: 60px 0; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
        .card { padding: 30px; border: 1px solid #eee; border-radius: 8px; transition: 0.3s; }
        .card:hover { box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
        .faq-item { margin-bottom: 15px; border-bottom: 1px solid #eee; padding-bottom: 10px; }
        footer { background: var(--dark-text); color: #ccc; padding: 40px 0; text-align: center; }
        .form-group { margin-bottom: 15px; }
        input, select, textarea { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; }