:root { --primary-color: #ff6a00; --text-dark: #1a1a1a; --text-light: #666; --bg-gray: #f8f9fa; --accent-orange: #ff9d00; }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; color: var(--text-dark); line-height: 1.6; background-color: #ffffff; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        header { padding: 20px 0; background: #fff; border-bottom: 1px solid #eee; position: sticky; top: 0; z-index: 1000; }
        .nav-inner { display: flex; justify-content: space-between; align-items: center; }
        .logo-box { width: 150px; }
        .nav-links { display: flex; align-items: center; gap: 0; }
        .nav-links a { padding: 0 15px; text-decoration: none; color: var(--text-dark); font-weight: 500; font-size: 14px; }
        .btn { padding: 10px 20px; border-radius: 5px; text-decoration: none; transition: 0.3s; display: inline-block; }
        .btn-primary { background: var(--primary-color); color: #fff; }
        .hero { padding: 80px 0; text-align: center; background: linear-gradient(135deg, #fff5eb 0%, #fff 100%); }
        h1 { font-size: 3rem; margin-bottom: 20px; color: var(--primary-color); }
        .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: 12px; transition: 0.3s; background: #fff; }
        .card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
        .faq-item { margin-bottom: 15px; border-bottom: 1px solid #eee; }
        .faq-q { padding: 15px; cursor: pointer; font-weight: bold; }
        .faq-a { padding: 15px; display: none; color: var(--text-light); }
        footer { background: #333; color: #ccc; padding: 40px 0; text-align: center; }
        .footer-links a { color: #ccc; margin: 0 10px; text-decoration: none; }