/* 全局样式 */
    html { scroll-behavior: smooth; }
    .lp-wrapper { max-width: 1100px; margin: 0 auto; font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.7; color: #333; padding: 20px; }
    
    /* 首屏 */
    .lp-hero { text-align: center; padding: 60px 20px; background: #2c3e50; color: #fff; border-radius: 8px; margin-bottom: 40px; }
    .lp-hero h1 { font-size: 32px; margin-bottom: 20px; }
    .btn-quote { display: inline-block; padding: 15px 40px; background: #e74c3c; color: #fff; text-decoration: none; font-weight: bold; border-radius: 5px; font-size: 18px; }

    /* 信任栏 */
    .trust-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 20px; text-align: center; border-bottom: 2px solid #eee; margin-bottom: 40px; }
    .trust-item { font-weight: bold; color: #555; font-size: 14px; }

    /* 场景导航 */
    .nav-box { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 60px; }
    .nav-box a { border: 2px solid #e74c3c; padding: 25px 15px; text-align: center; text-decoration: none; color: #333; border-radius: 8px; font-weight: bold; display: block; transition: 0.3s; }
    .nav-box a:hover { background: #e74c3c; color: #fff; }

    /* 板块布局 */
    .lp-section { padding: 60px 0; border-bottom: 1px solid #eee; }
    .lp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
    .lp-img { width: 100%; height: auto; border-radius: 8px; box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
    .lp-ul { list-style: none; padding: 0; }
    .lp-ul li { margin-bottom: 12px; padding-left: 25px; position: relative; }
    .lp-ul li::before { content: '✔'; position: absolute; left: 0; color: #e74c3c; font-weight: bold; }
    
    @media (max-width: 768px) {
        .trust-bar { grid-template-columns: 1fr 1fr; }
        .nav-box { grid-template-columns: 1fr; }
        .lp-grid { grid-template-columns: 1fr; }
    }