/* ==========================================================================
   特靠普 TEKOPU 粘合剂官网 —— 全站样式
   基于原站 (Heliux) 视觉规范还原：红色主色 + 白底导航 + 浅蓝灰 hero
   ========================================================================== */

:root {
  --brand-red: #e3000f;
  --brand-red-dark: #b8000c;
  --brand-red-light: #ff1f2d;
  --ink: #1a1a1a;
  --ink-2: #4a4a4a;
  --ink-3: #6b6b6b;
  --line: #e3e3e3;
  --bg: #ffffff;
  --bg-soft: #f4f6f8;
  --bg-hero: #dfe8ef;
  --max-w: 1440px;
  --limited: 1200px;
  --header-h: 72px;
  --font: 'Henkel GT Flexa', 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --radius: 2px;
  --shadow: 0 2px 16px rgba(0, 0, 0, .08);
}

@font-face {
  font-family: 'Henkel GT Flexa';
  src: url('/fonts/Henkel-GT-Flexa-Regular.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Henkel GT Flexa';
  src: url('/fonts/Henkel-GT-Flexa-Bold.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; line-height: 1.25; }
p { margin: 0 0 1em; }

.container-max-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}
.limited-container {
  max-width: var(--limited);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--brand-red); color: #fff; padding: 10px 20px; z-index: 9999;
}
.skip-link:focus { left: 0; }

/* ====================== 顶部条 ====================== */
.topbar {
  background: #fafafa;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-2);
}
.topbar__inner {
  max-width: var(--max-w); margin: 0 auto; padding: 6px 40px;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
}
.topbar__left, .topbar__right { display: flex; align-items: center; gap: 22px; }
.topbar__lang { display: inline-flex; align-items: center; gap: 6px; }
.topbar__brand-link { color: var(--ink-3); }
.topbar__phone { color: var(--brand-red); display: inline-flex; align-items: center; gap: 6px; }
.topbar__phone strong { font-size: 17px; letter-spacing: .3px; }
.topbar__hours { color: var(--ink-3); font-size: 12px; }

/* ====================== Header ====================== */
.site-header {
  position: sticky; top: 0; z-index: 900;
  background: #fff; border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex; align-items: center; gap: 40px;
  height: var(--header-h);
}
.site-header__logo {
  display: flex; align-items: center; flex-shrink: 0;
}
.site-header__logo img { height: 40px; width: auto; max-width: 150px; object-fit: contain; }
.main-nav { flex: 1; }
.main-nav__list { display: flex; gap: 34px; align-items: center; }
.main-nav__link {
  font-size: 17px; font-weight: 700; color: var(--ink);
  padding: 24px 0; display: block; position: relative; white-space: nowrap;
}
.main-nav__item.has-children > .main-nav__link::after {
  content: ''; position: absolute; left: 50%; bottom: 16px;
  width: 6px; height: 6px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: translateX(-50%) rotate(45deg); transition: transform .2s;
}
.main-nav__item:hover > .main-nav__link { color: var(--brand-red); }
.main-nav__item:hover .main-nav__dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.main-nav__dropdown {
  position: absolute; left: 0; right: 0; top: var(--header-h);
  background: #fff; border-top: 1px solid var(--line); box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: all .2s ease;
  padding: 26px 40px;
}
.main-nav__item:hover .main-nav__dropdown { display: block; }
.main-nav__dropdown ul { display: flex; flex-wrap: wrap; gap: 12px 40px; max-width: var(--max-w); margin: 0 auto; }
.main-nav__dropdown a { font-size: 15px; color: var(--ink-2); }
.main-nav__dropdown a:hover { color: var(--brand-red); }

.site-header__actions { display: flex; align-items: center; gap: 12px; }
.icon-btn {
  background: none; border: 0; cursor: pointer; color: var(--ink);
  width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%;
}
.icon-btn:hover { background: var(--bg-soft); color: var(--brand-red); }
.menu-toggle { display: none; flex-direction: column; gap: 5px; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: currentColor; }

.search-panel {
  max-height: 0; overflow: hidden; transition: max-height .3s ease;
  background: var(--bg-soft);
}
.search-panel.open { max-height: 90px; }
.search-panel__form {
  max-width: var(--max-w); margin: 0 auto; padding: 18px 40px;
  display: flex; gap: 10px;
}
.search-panel__form input {
  flex: 1; height: 46px; padding: 0 20px; font-size: 15px; font-family: inherit;
  border: 1px solid #d5d5d5; border-radius: var(--radius); background: #fff; outline: none;
}
.search-panel__form input:focus { border-color: var(--brand-red); }
.search-panel__submit {
  width: 46px; height: 46px; border: 0; cursor: pointer;
  background: var(--brand-red); color: #fff; display: grid; place-items: center;
}

/* ====================== 移动端导航 ====================== */
.mobile-nav {
  position: fixed; inset: 0 0 0 auto; width: 340px; max-width: 86vw; background: #fff;
  z-index: 1000; transform: translateX(100%); transition: transform .3s ease;
  overflow-y: auto; box-shadow: -4px 0 30px rgba(0,0,0,.15);
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav__head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px; border-bottom: 1px solid var(--line);
}
.mobile-nav__logo { height: 30px; }
.mobile-nav__close { background: none; border: 0; font-size: 30px; cursor: pointer; line-height: 1; }
.mobile-nav__list > li { border-bottom: 1px solid var(--line); }
.mobile-nav__list > li > a { display: block; padding: 16px 20px; font-weight: 700; font-size: 16px; }
.mobile-nav__sub { background: var(--bg-soft); padding: 6px 0; }
.mobile-nav__sub a { display: block; padding: 9px 32px; font-size: 14px; color: var(--ink-2); }
.mobile-nav__langs { display: flex; gap: 14px; padding: 20px; flex-wrap: wrap; }
.mobile-nav__langs a { font-size: 14px; color: var(--ink-3); }
.mobile-nav__langs a.active { color: var(--brand-red); font-weight: 700; }

/* ====================== Hero ====================== */
.hero {
  position: relative; background: var(--bg-hero); overflow: hidden;
}
.hero__grid {
  display: grid; grid-template-columns: minmax(340px, 40%) 1fr; align-items: stretch;
  min-height: 580px; position: relative; max-width: var(--max-w); margin: 0 auto;
}
.hero__content { padding: 80px 40px; position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.hero__title {
  font-size: 54px; line-height: 1.15; color: var(--brand-red);
  font-weight: 700; margin-bottom: 26px; letter-spacing: -1px;
}
.hero__title .line { display: inline; }
.hero__text { font-size: 17px; color: var(--ink-2); max-width: 520px; margin-bottom: 34px; }
.hero__img { position: relative; z-index: 1; min-height: 580px; }
.hero__img img { width: 100%; height: 100%; object-fit: cover; }
.hero--overlay .hero__img { position: relative; inset: auto; height: 100%; }
.hero--overlay .hero__grid { grid-template-columns: 1fr; }
.hero--overlay .hero__content {
  background: linear-gradient(90deg, rgba(0,0,0,.55) 0%, rgba(0,0,0,.2) 60%, transparent 100%);
  color: #fff; padding: 90px 0; max-width: 640px;
}
.hero--overlay .hero__title { color: #fff; }
.hero--overlay .hero__text { color: rgba(255,255,255,.92); }

/* ====================== 按钮 ====================== */
.btn {
  display: inline-flex; align-items: center; gap: 10px; align-self: flex-start;
  padding: 13px 30px; font-size: 15px; font-weight: 700; font-family: inherit;
  border-radius: 999px; border: 2px solid transparent; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
  width: fit-content;
}
.btn--primary { background: var(--brand-red); color: #fff; }
.btn--primary:hover { background: var(--brand-red-dark); }
.btn--outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn--outline:hover { border-color: var(--brand-red); color: var(--brand-red); }
.btn--light { background: #fff; color: var(--brand-red); }
.btn--light:hover { background: var(--ink); color: #fff; }
.btn--ghost { border-color: rgba(255,255,255,.7); color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--ink); }

/* ====================== Section ====================== */
.section { padding: 72px 0; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding: 48px 0; }
.section__head { margin-bottom: 44px; max-width: 760px; }
.section__eyebrow {
  font-size: 13px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--brand-red); font-weight: 700; margin-bottom: 12px;
}
.section__title { font-size: 38px; margin-bottom: 16px; letter-spacing: -.5px; }
.section__lead { font-size: 17px; color: var(--ink-2); }
.section__head--center { margin-left: auto; margin-right: auto; text-align: center; }

/* ====================== 卡片网格 ====================== */
.grid { display: grid; gap: 26px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: box-shadow .25s, transform .25s, border-color .25s;
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: #d5d5d5; }
.card__media { aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-soft); }
.card__media img { width: 100%; height: 100%; object-fit: contain; padding: 18px; transition: transform .4s; }
.card__media--empty {
  display: grid; place-items: center;
  background: linear-gradient(135deg, #f0f3f6 0%, #e4e9ee 100%);
}
.card__media--empty::before {
  content: ''; width: 44px; height: 44px; opacity: .28;
  background: currentColor; color: var(--ink-3);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M21 8v12H3V8h18zm-3-2H6a2 2 0 00-2 2v12a2 2 0 002 2h12a2 2 0 002-2V8a2 2 0 00-2-2zm-9 5l2.5 3.01L14.5 11l1.5 1.5L12 16l-4-5 1.5-1.5z'/%3E%3C/svg%3E") center/contain no-repeat;
}
.card:hover .card__media img { transform: scale(1.04); }
.card__body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.card__kicker { font-size: 12.5px; color: var(--brand-red); font-weight: 700; margin-bottom: 7px; }
.card__title { font-size: 18px; margin-bottom: 9px; }
.card__text { font-size: 14.5px; color: var(--ink-2); flex: 1; }
.card__more { margin-top: 16px; font-size: 14px; font-weight: 700; color: var(--brand-red); }

/* 行业大卡 */
.tile-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.tile {
  position: relative; overflow: hidden; border-radius: var(--radius);
  min-height: 220px; display: flex; align-items: flex-end;
  background: var(--ink); color: #fff;
}
.tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.tile::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,.75) 100%); }
.tile:hover img { transform: scale(1.07); }
.tile__body { position: relative; z-index: 2; padding: 24px; width: 100%; }
.tile__title { font-size: 20px; margin-bottom: 5px; }
.tile__count { font-size: 13px; opacity: .85; }

/* 产品卡 */
.product-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; display: flex; flex-direction: column; gap: 12px;
  transition: box-shadow .25s, transform .25s;
}
.product-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.product-card__media {
  aspect-ratio: 1; background: var(--bg-soft); display: grid; place-items: center;
  overflow: hidden; border-radius: var(--radius);
}
.product-card__media img { width: 100%; height: 100%; object-fit: contain; padding: 12px; }
.product-card__cat { font-size: 12px; color: var(--brand-red); font-weight: 700; }
.product-card__name { font-size: 15.5px; font-weight: 700; line-height: 1.35; }
.product-card__tag { font-size: 13px; color: var(--ink-3); }
.product-card__sizes { display: flex; gap: 6px; flex-wrap: wrap; margin-top: auto; }
.product-card__sizes span {
  font-size: 11.5px; padding: 3px 9px; background: var(--bg-soft); border-radius: 999px; color: var(--ink-2);
}

/* ====================== 特性条 ====================== */
.feature-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.feature {
  background: #fff; border: 1px solid var(--line); padding: 34px 28px; border-radius: var(--radius);
  display: flex; flex-direction: column; gap: 14px;
}
.feature__icon {
  width: 54px; height: 54px; border-radius: 50%; background: rgba(227,0,15,.08);
  display: grid; place-items: center; font-size: 24px; color: var(--brand-red);
}
.feature__title { font-size: 22px; }
.feature__text { font-size: 15px; color: var(--ink-2); }
.feature__link { margin-top: auto; font-weight: 700; color: var(--brand-red); font-size: 15px; }

/* ====================== 面包屑 ====================== */
.breadcrumb { padding: 18px 0; font-size: 13.5px; color: var(--ink-3); background: var(--bg-soft); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.breadcrumb li::after { content: '›'; margin-left: 8px; color: #bbb; }
.breadcrumb li:last-child::after { content: ''; }
.breadcrumb a:hover { color: var(--brand-red); }

/* ====================== 页头 ====================== */
.page-hero { background: var(--bg-soft); padding: 56px 0; }
.page-hero__title { font-size: 42px; margin-bottom: 14px; }
.page-hero__lead { font-size: 17px; color: var(--ink-2); max-width: 820px; }

/* ====================== 产品列表页 ====================== */
.listing { display: grid; grid-template-columns: 270px 1fr; gap: 40px; align-items: start; }
.filters { position: sticky; top: 96px; }
.filter-group { border-bottom: 1px solid var(--line); padding: 20px 0; }
.filter-group__title { font-size: 15px; font-weight: 700; margin-bottom: 12px; }
.filter-group ul li a {
  display: flex; justify-content: space-between; padding: 6px 0; font-size: 14px; color: var(--ink-2);
}
.filter-group ul li a:hover { color: var(--brand-red); }
.filter-group ul li a.active { color: var(--brand-red); font-weight: 700; }
.filter-group .count { color: #999; font-size: 12.5px; }

.listing__bar {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 18px; border-bottom: 1px solid var(--line); margin-bottom: 28px; flex-wrap: wrap; gap: 14px;
}
.listing__count { font-size: 15px; color: var(--ink-2); }
.listing__count strong { color: var(--ink); font-size: 19px; }
.sort-select {
  height: 40px; padding: 0 14px; border: 1px solid #d5d5d5; border-radius: var(--radius);
  font-family: inherit; font-size: 14px; background: #fff; cursor: pointer;
}
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

/* ====================== 产品详情 ====================== */
.pdp { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: start; }
.pdp__media { background: var(--bg-soft); border-radius: var(--radius); padding: 40px; }
.pdp__media img { width: 100%; height: auto; max-height: 480px; object-fit: contain; margin: 0 auto; }
.pdp__thumbs { display: flex; gap: 12px; margin-top: 16px; flex-wrap: wrap; }
.pdp__thumb {
  width: 76px; height: 76px; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 6px; cursor: pointer; background: #fff;
}
.pdp__thumb img { width: 100%; height: 100%; object-fit: contain; }
.pdp__brand { font-size: 13px; color: var(--brand-red); font-weight: 700; letter-spacing: 1px; margin-bottom: 10px; }
.pdp__title { font-size: 36px; margin-bottom: 10px; }
.pdp__ext { font-size: 18px; color: var(--ink-3); margin-bottom: 20px; }
.pdp__tagline { font-size: 18px; color: var(--ink); margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.pdp__block { margin-bottom: 26px; }
.pdp__block h3 { font-size: 17px; margin-bottom: 12px; }
.pdp__block p { color: var(--ink-2); font-size: 15.5px; }
.pdp__variants { display: flex; flex-direction: column; gap: 10px; }
.pdp__variant {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 13px 18px; border: 1px solid var(--line); border-radius: var(--radius); font-size: 15px;
}
.pdp__variant:hover { border-color: var(--brand-red); }
.pdp__sku { font-size: 13px; color: var(--ink-3); }
.pdp__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }

/* ====================== 富文本 ====================== */
.rte { font-size: 16px; color: var(--ink-2); }
.rte h2 { font-size: 27px; color: var(--ink); margin: 34px 0 14px; }
.rte h3 { font-size: 21px; color: var(--ink); margin: 26px 0 12px; }
.rte p { margin-bottom: 15px; }
.rte ul { list-style: disc; padding-left: 24px; margin-bottom: 16px; }
.rte ol { list-style: decimal; padding-left: 24px; margin-bottom: 16px; }
.rte li { margin-bottom: 7px; }
.rte a { color: var(--brand-red); text-decoration: underline; }
.rte img { margin: 20px 0; border-radius: var(--radius); }
.rte table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14.5px; }
.rte th, .rte td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; }
.rte th { background: var(--bg-soft); font-weight: 700; }

/* ====================== 表格 ====================== */
.data-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.data-table th, .data-table td { border: 1px solid var(--line); padding: 12px 16px; text-align: left; }
.data-table th { background: var(--bg-soft); font-weight: 700; white-space: nowrap; }
.data-table tbody tr:hover { background: #fafafa; }
.table-wrap { overflow-x: auto; }

/* ====================== 快捷 Tab 条 ====================== */
.quick-tabs {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 800;
  background: var(--brand-red); display: flex; justify-content: center; gap: 0;
}
.quick-tabs__item {
  flex: 1; max-width: 260px; text-align: center; color: #fff;
  padding: 15px 20px; font-size: 16px; font-weight: 700; position: relative;
}
.quick-tabs__item::after {
  content: ''; position: absolute; left: 20%; right: 20%; bottom: 0; height: 3px;
  background: #fff; opacity: 0; transition: opacity .2s;
}
.quick-tabs__item:hover::after, .quick-tabs__item.active::after { opacity: 1; }
.quick-tabs__item.active { background: var(--brand-red-dark); }

/* ====================== Footer ====================== */
.site-footer { background: #1c1c1c; color: #c8c8c8; margin-top: 70px; }
.site-footer__main { padding: 62px 0 46px; }
.site-footer__grid {
  display: grid; grid-template-columns: 1.6fr repeat(4, 1fr) .9fr; gap: 40px;
}
.site-footer__logo { height: 42px; width: auto; max-width: 170px; object-fit: contain; margin-bottom: 20px; }
.site-footer__about { font-size: 14px; line-height: 1.7; margin-bottom: 22px; }
.site-footer__contact-item { margin-bottom: 10px; font-size: 14px; display: flex; gap: 10px; }
.site-footer__contact-label { color: #888; min-width: 62px; }
.site-footer__contact a:hover { color: #fff; }
.site-footer__title { font-size: 15px; color: #fff; margin-bottom: 18px; font-weight: 700; }
.site-footer__links li { margin-bottom: 10px; }
.site-footer__links a { font-size: 14px; color: #a8a8a8; }
.site-footer__links a:hover { color: #fff; }
.site-footer__socials { display: flex; gap: 10px; }
.social-btn {
  width: 38px; height: 38px; border: 1px solid #4a4a4a; border-radius: 50%;
  display: grid; place-items: center; font-size: 12px; color: #ccc;
}
.social-btn:hover { background: var(--brand-red); border-color: var(--brand-red); color: #fff; }
.site-footer__bottom { border-top: 1px solid #333; padding: 20px 0; font-size: 13px; }
.site-footer__bottom-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.site-footer__copy { margin: 0; color: #999; }
.site-footer__legal { display: flex; gap: 20px; flex-wrap: wrap; color: #999; }
.site-footer__legal a:hover { color: #fff; }

/* ====================== 分页 ====================== */
.pagination { display: flex; gap: 7px; justify-content: center; margin-top: 48px; flex-wrap: wrap; }
.pagination a, .pagination span {
  min-width: 40px; height: 40px; padding: 0 12px; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: var(--radius); font-size: 14px;
}
.pagination a:hover { border-color: var(--brand-red); color: var(--brand-red); }
.pagination .current { background: var(--brand-red); border-color: var(--brand-red); color: #fff; font-weight: 700; }
.pagination .disabled { color: #bbb; }

/* ====================== 面包屑/提示 ====================== */
.notice { padding: 60px 0; text-align: center; color: var(--ink-3); }
.empty-state { padding: 70px 0; text-align: center; color: var(--ink-3); }
.empty-state__title { font-size: 22px; color: var(--ink); margin-bottom: 10px; }

/* ====================== 返回顶部 ====================== */
.back-to-top {
  position: fixed; right: 24px; bottom: 78px; width: 44px; height: 44px;
  border-radius: 50%; border: 0; cursor: pointer; background: var(--ink); color: #fff;
  font-size: 20px; opacity: 0; visibility: hidden; transition: all .25s; z-index: 850;
}
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--brand-red); }

/* ====================== 响应式 ====================== */
@media (max-width: 1200px) {
  .site-footer__grid { grid-template-columns: 1.4fr repeat(3, 1fr); }
  .site-footer__col--social { grid-column: span 3; }
  .tile-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
  .container-max-grid { padding: 0 24px; }
  .topbar__inner { padding: 6px 24px; }
  .main-nav { display: none; }
  .menu-toggle { display: flex; }
  .hero__grid { grid-template-columns: 1fr; min-height: 460px; }
  .hero__img { position: relative; inset: auto; }
  .hero__title { font-size: 40px; }
  .listing { grid-template-columns: 1fr; }
  .filters { position: static; }
  .pdp { grid-template-columns: 1fr; gap: 34px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .grid--4, .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .feature-strip { grid-template-columns: 1fr; }
  .tile-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .container-max-grid, .topbar__inner { padding: 0 16px; }
  .topbar__hours, .topbar__brand-link { display: none; }
  .section { padding: 48px 0; }
  .section__title { font-size: 28px; }
  .hero__title { font-size: 32px; }
  .grid--2, .grid--3, .grid--4, .product-grid, .tile-grid { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: 1fr; }
  .site-footer__col--social { grid-column: auto; }
  .quick-tabs__item { font-size: 14px; padding: 12px 8px; }
  .page-hero__title { font-size: 30px; }
  .pdp__title { font-size: 26px; }
}