@charset "UTF-8";
/* ==========================================================================
   Boer Tech · responsive.css
   断点：1280 / 1100 / 992 / 768 / 480
   对标站为定宽 PC 商城，本主题改为全响应式；移动端启用底部固定悬浮导航。
   ========================================================================== */

/* 1279 及以下 —— 容器收敛 + 主导航折叠为抽屉
   注意：主导航 11 个一级菜单项横向总宽约 1235px，加上「全部产品」按钮与右侧询价按钮
   需要约 1570px，1200px 容器装不下，会让整页出现横向滚动。故折叠断点从 992 提到 1279。 */
@media (max-width: 1279px) {
  :root { --container: 1140px; }
  .p-scroller__nav--prev { left: 0; }
  .p-scroller__nav--next { right: 0; }

  /* 顶部信息条与汉堡按钮（信息条先隐藏，避免抽屉定位露出缝隙） */
  .topbar { display: none; }
  .nav-toggle { display: flex; order: -1; }
  /* 品牌标语 12px 后在窄一点的桌面上会把报价按钮挤出右边界（1024 实测溢出 3px） */
  .site-brand__slogan { display: none; }

  /* 主导航收起为抽屉 */
  .site-nav { display: none; }
  .site-nav.is-open {
    display: block; position: fixed; left: 0; right: 0; top: var(--header-h); bottom: 0;
    background: #fff; z-index: 950; overflow-y: auto; padding-bottom: 90px;
  }
  .site-nav__inner { display: block; height: auto; }
  .site-nav__all { display: none; }
  .site-nav__list { display: block; }
  .site-nav__list > li { border-bottom: 1px solid var(--c-line-soft); }
  .site-nav__list > li > a { height: auto; padding: 15px 18px; font-size: 15.5px; justify-content: space-between; }
  .site-nav__list > li > a::after { display: none; }
  .site-nav__list .sub-menu {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border-top: 0; padding: 0 0 8px; background: var(--c-bg);
  }
  .site-nav__list .sub-menu a { padding: 11px 30px; font-size: 14px; }
  .site-nav__cta { padding: 18px; margin-left: 0; }
  .site-nav__cta .btn { width: 100%; }
}

/* 1280 及以上 —— 桌面横向导航，容器放宽并压缩菜单项间距，确保 11 项 + 按钮不溢出 */
@media (min-width: 1280px) {
  :root { --container: 1280px; }
  .site-nav__list > li > a { padding: 0 10px; font-size: 14px; }
  .site-nav__all-btn { width: 160px; font-size: 14px; }
  .site-nav__cta .btn { padding: 0 16px; font-size: 14px; }
}

/* 1600 及以上 —— 空间充裕，恢复舒展间距 */
@media (min-width: 1600px) {
  :root { --container: 1360px; }
  .site-nav__list > li > a { padding: 0 14px; font-size: 14.5px; }
  .site-nav__all-btn { width: 176px; }
}

/* 1100 —— 首页首屏改两列，侧栏下移 */
@media (max-width: 1100px) {
  .hero__grid { grid-template-columns: 200px 1fr; }
  .hero-side { grid-column: 1 / -1; flex-direction: row; }
  .hero-side__card { flex: 1; }
  .quick-entry__grid { grid-template-columns: repeat(4, 1fr); }
  .p-grid--5 { grid-template-columns: repeat(4, 1fr); }
  .p-grid--4 { grid-template-columns: repeat(3, 1fr); }
  .case-grid { grid-template-columns: repeat(3, 1fr); }
  .eng-zone__grid { grid-template-columns: 1fr; }
  .live-zone__grid { grid-template-columns: 1fr; }
  .inquiry-zone__grid { grid-template-columns: 1fr; gap: 30px; }
  .inquiry-zone__form { max-width: 620px; }
  .product-top { grid-template-columns: 380px 1fr; gap: 26px; }
  .with-sidebar { grid-template-columns: 1fr 260px; }
  .contact-layout { grid-template-columns: 1fr; }
  .about-intro { grid-template-columns: 1fr; }
  .about-intro__media { order: -1; }
  .svc-packages { grid-template-columns: 1fr 1fr; }
  .qual-grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 26px; }
  .footer-promise__grid { grid-template-columns: repeat(2, 1fr); }
  .header-hotline { display: none; }
}

/* 992 —— 平板/手机：页头收窄，单列布局 */
@media (max-width: 992px) {
  :root { --header-h: 62px; }

  /* 页头 */
  .site-header__main { gap: 14px; }
  .header-search { max-width: none; flex: 1 1 0; min-width: 0; }
  .header-search__input { min-width: 0; padding: 0 12px; }
  .header-search__hot { left: 0; right: 0; min-width: 0; }
  .site-brand { min-width: 0; }
  .site-brand__slogan { display: none; }
  .site-brand__name { font-size: 17px; }
  .site-brand__mark { width: 38px; height: 38px; font-size: 18px; border-radius: 10px; }

  /* 首页 */
  .hero { padding-top: 14px; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero-cats { display: none; }
  .hero-slider { min-height: 200px; }
  .hero-slider__slide img { aspect-ratio: 16 / 7; }
  .hero-slider__caption { padding: 34px 20px 18px; }
  .hero-slider__t { font-size: 19px; }
  .hero-slider__d { font-size: 12.5px; }
  .hero-slider__arrow { display: none; }
  .quick-entry__grid { grid-template-columns: repeat(4, 1fr); gap: 6px; }
  .quick-entry__item { padding: 12px 4px; }
  .quick-entry__icon { width: 42px; height: 42px; font-size: 20px; }
  .quick-entry__label { font-size: 12.5px; }
  .promise-bar__grid { grid-template-columns: 1fr 1fr; }
  .p-grid--5, .p-grid--4, .p-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .p-scroller__track { grid-auto-columns: 158px; gap: 10px; }
  .p-scroller__nav { display: none; }
  .sec { padding: 30px 0; }
  .sec-head__title { font-size: 19px; }
  .sec-head__sub { display: none; }
  .case-grid, .case-list { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: 1fr; }
  .stat-bar { grid-template-columns: repeat(2, 1fr); }
  .eng-flow { grid-template-columns: repeat(2, 1fr); }
  .lease-zone__banner { grid-template-columns: 1fr; }
  .live-frame, .live-frame iframe { min-height: 260px; }

  /* 列表页 */
  .archive-layout { grid-template-columns: 1fr; }
  .archive-rail { position: static; display: flex; overflow-x: auto; gap: 8px; padding: 10px; }
  .archive-rail__head { display: none; }
  .archive-rail__item a { white-space: nowrap; border-bottom: 0; border-radius: var(--radius-pill); padding: 7px 15px; background: var(--c-bg); }
  .archive-rail__item.is-on a { border-left: 0; padding-left: 15px; background: var(--c-primary-soft); }
  .eng-list { grid-template-columns: 1fr 1fr; }
  .toolbar { gap: 12px; padding: 10px 12px; }
  .toolbar__count { width: 100%; margin-left: 0; }

  /* 详情页 */
  .product-wrap { padding: 16px; }
  .product-top { grid-template-columns: 1fr; gap: 20px; }
  .pd-gallery__main { padding: 16px; }
  .pd-info__title { font-size: 19px; }
  .pd-price-row .now { font-size: 28px; }
  .pd-actions .btn { flex: 1; min-width: 0; }
  .pd-tabs__head { overflow-x: auto; }
  .pd-tabs__item { padding: 13px 20px; font-size: 14px; white-space: nowrap; }
  .pd-tabs__panel { padding: 18px 16px; }
  .spec-table th { width: 110px; padding: 10px 13px; }
  .spec-table td { padding: 10px 13px; }
  .svc-list, .plan-points { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .flow-step::after { display: none; }
  .eng-detail__hero { padding: 26px 20px; }
  .eng-detail__hero-t { font-size: 23px; }
  .rel-zone { padding: 18px 16px; }

  /* 独立页 */
  .page-hero { padding: 34px 0 30px; }
  .page-hero__t { font-size: 24px; }
  .page-hero__d { font-size: 14px; }
  .content-wrap, .legal-wrap, .about-block, .plan-block { padding: 22px 18px; }
  .with-sidebar { grid-template-columns: 1fr; }
  .svc-packages, .qual-grid, .about-biz { grid-template-columns: 1fr; }
  .repair-steps { grid-template-columns: 1fr 1fr; }
  .promise-grid { grid-template-columns: 1fr; }
  .post-item { flex-direction: column; gap: 14px; }
  .post-item__media { width: 100%; height: 180px; }
  .cta-band { padding: 24px 20px; }
  .cta-band__t { font-size: 19px; }
  .cta-band__actions { width: 100%; }
  .cta-band__actions .btn { flex: 1; }
  .form-grid { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-promise__grid { grid-template-columns: 1fr; }
  .footer-promise__item { border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, .06); padding: 15px 16px; }

  /* 悬浮组件让位给底部导航 */
  .to-top { right: 14px; bottom: 96px; width: 42px; height: 42px; }
  .side-tools { display: none; }
  .float-ai { right: 14px; bottom: 96px; width: 52px; height: 52px; }
  .float-ai__label { display: none; }
  .marketing-pop { right: 12px; left: 12px; width: auto; bottom: 158px; }

  /* 启用移动端底部固定悬浮导航 */
  body { padding-bottom: 58px; }
  .mobile-nav {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 940;
    height: 58px; background: #fff; box-shadow: 0 -2px 14px rgba(31, 39, 51, .1);
    padding-bottom: env(safe-area-inset-bottom, 0);
  }
  .mobile-nav__item {
    flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 2px; font-size: 12px; color: var(--c-muted); position: relative;
  }
  .mobile-nav__item .ico { font-size: 19px; line-height: 1; }
  .mobile-nav__item.is-on { color: var(--c-primary); }
  .mobile-nav__item--call { color: var(--c-price); }
  .mobile-nav__item--ai { color: var(--c-primary); }

  /* 询价弹层改底部抽屉 */
  .boer-modal { align-items: flex-end; padding: 0; }
  .boer-modal__box { max-width: 100%; border-radius: var(--radius-lg) var(--radius-lg) 0 0; max-height: 92vh; }
  .boer-modal__head { padding: 18px 18px 14px; }
  .boer-modal__body { padding: 18px 18px 26px; }
}

/* 600 —— 小屏手机：页头两行式（品牌行 + 搜索行），
   避免把搜索框压缩到只剩一个按钮；报价按钮让位给底部固定导航的「询价」入口 */
@media (max-width: 600px) {
  :root { --header-h: 108px; }
  .site-header__main { flex-wrap: wrap; height: auto; min-height: var(--header-h); padding: 8px 0; row-gap: 8px; }
  .site-brand { flex: 1 1 auto; }
  .site-brand__name {
    font-size: 15px; display: block; max-width: 220px;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  }
  .header-search { order: 5; flex: 1 1 100%; }
  .header-search__input { padding: 0 12px; font-size: 13px; }
  .header-actions .btn--price { display: none; }
}

/* 480 —— 小屏 */
@media (max-width: 480px) {
  .boer-container { padding: 0 12px; }
  .quick-entry__grid { grid-template-columns: repeat(4, 1fr); }
  .promise-bar__grid { grid-template-columns: 1fr; }
  .case-grid, .case-list, .eng-list { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .pd-lease-calc { grid-template-columns: 1fr; }
  .pd-assure { gap: 12px; }
  .repair-steps, .eng-flow, .stat-bar { grid-template-columns: 1fr; }
  .hero-slider__caption { padding: 28px 16px 14px; }
  .hero-slider__t { font-size: 17px; }
  .inquiry-zone__t { font-size: 22px; }
  .inquiry-zone__form { padding: 18px 16px 16px; }
  .legal-wrap { padding: 20px 16px; }
  .post-head__t { font-size: 22px; }
  .about-intro__media { display: none; }
}

/* 打印 */
@media print {
  .site-header, .site-nav, .site-footer, .mobile-nav, .float-ai, .side-tools,
  .to-top, .marketing-pop, .cta-band, .inquiry-zone { display: none !important; }
  body { background: #fff; }
}