/* ============================================================
   响应式适配 平板 768-1024 / 手机 <768
   ============================================================ */

/* 平板 */
@media (max-width: 1024px) {
    :root { --header-height: 70px; }
    .container { padding: 0 16px; }
    .banner-slider { height: 380px; }
    .banner-content h1 { font-size: 34px; }
    .banner-content p { font-size: 17px; }

    .business-grid { grid-template-columns: repeat(2, 1fr); }
    .advantage-grid { grid-template-columns: repeat(2, 1fr); }
    .cases-grid { grid-template-columns: repeat(2, 1fr); }
    .home-grid { grid-template-columns: 1fr; gap: 24px; }

    .about-wrap { grid-template-columns: 1fr; }
    .detail-wrap { grid-template-columns: 1fr; }
    .detail-sidebar { flex-direction: row; flex-wrap: wrap; }
    .detail-sidebar .sidebar-block { flex: 1; min-width: 240px; }
    .booking-wrap { grid-template-columns: 1fr; }
    .contact-wrap { grid-template-columns: 1fr; }

    .footer-inner { grid-template-columns: 1fr 1fr; gap: 24px; }
    .process-flow { gap: 8px; }
    .process-step { width: 140px; padding: 18px 12px; }
    .case-gallery { grid-template-columns: repeat(2, 1fr); }
}

/* 手机 */
@media (max-width: 768px) {
    :root { --header-height: 60px; }
    body { font-size: 14px; }

    /* 顶部栏 */
    .top-bar { font-size: 12px; line-height: 32px; }
    .top-bar .container { flex-direction: column; gap: 2px; }
    .top-right { gap: 12px; }

    /* 导航 */
    .nav-toggle { display: flex; }
    .main-nav {
        position: fixed; top: calc(32px + var(--header-height)); left: 0; right: 0;
        background: #fff; flex-direction: column; padding: 12px;
        box-shadow: 0 8px 24px rgba(0,0,0,.12); gap: 2px;
        max-height: 0; overflow: hidden; transition: max-height .3s ease;
        z-index: 999;
    }
    .main-nav.open { max-height: 600px; padding: 12px; }
    .main-nav > a, .nav-dropdown > a { width: 100%; padding: 12px 16px; }
    .nav-dropdown .dropdown-menu {
        position: static; opacity: 1; visibility: visible; transform: none;
        box-shadow: none; padding: 0; display: none;
    }
    .nav-dropdown.open .dropdown-menu { display: block; }
    .nav-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

    /* 轮播 */
    .banner-slider { height: 280px; }
    .banner-content { text-align: center; }
    .banner-content h1 { font-size: 24px; margin-bottom: 10px; }
    .banner-content p { font-size: 14px; margin-bottom: 18px; }
    .banner-content .btn { padding: 8px 20px; font-size: 14px; margin: 0 4px; }
    .banner-arrow { width: 36px; height: 36px; font-size: 22px; }

    /* Section */
    .section { padding: 40px 0; }
    .section-title { font-size: 24px; }
    .section-subtitle { font-size: 14px; }

    /* 业务/优势/案例 */
    .business-grid { grid-template-columns: 1fr; }
    .advantage-grid { grid-template-columns: 1fr; }
    .cases-grid { grid-template-columns: 1fr; }
    .case-img img { height: 220px; }

    /* 流程 */
    .process-flow { flex-direction: column; gap: 12px; }
    .process-step { width: 100%; max-width: 320px; }
    .process-arrow { transform: rotate(90deg); }

    /* 页面 Banner */
    .page-banner { height: 160px; }
    .page-banner h1 { font-size: 24px; }

    /* 新闻列表 */
    .news-item { grid-template-columns: 1fr; }
    .news-item-img img { width: 100%; height: 180px; }

    /* 详情 */
    .detail-article { padding: 20px; }
    .detail-title { font-size: 20px; }
    .case-gallery { grid-template-columns: 1fr; }

    /* 预约表单 */
    .booking-form .form-row { grid-template-columns: 1fr; gap: 0; }
    .booking-form-wrap { padding: 20px; }
    .booking-cta h2 { font-size: 22px; }

    /* 联系 */
    .contact-cta { flex-direction: column; gap: 10px; }
    .contact-cta .btn { width: 100%; }

    /* 底部 */
    .footer-inner { grid-template-columns: 1fr; gap: 20px; }
    .footer-bottom .container { display: flex; flex-direction: column; gap: 4px; }

    /* 悬浮 */
    .float-bar { display: none; }
    .mobile-booking-bar { display: flex; }
    body { padding-bottom: 52px; }

    /* 业务详情 CTA */
    .business-cta .btn { display: block; width: 100%; margin: 0 0 10px 0; }
    .faq-cta .btn { display: block; width: 100%; margin: 0 0 10px 0; }

    /* 关于我们图片 */
    .about-image img { height: 260px; }
    .region-tag { padding: 8px 18px; font-size: 14px; }
}