:root {
  --primary: #1668dc;
  --primary-dark: #0f4fb0;
  --accent: #ff6a00;
  --accent-dark: #e35c00;
  --ink: #1f2937;
  --ink-2: #374151;
  --muted: #6b7280;
  --line: #e5e7eb;
  --line-2: #f0f2f5;
  --bg: #f5f7fa;
  --white: #fff;
  --success: #16a34a;
  --danger: #d93025;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(16, 24, 40, .06), 0 1px 2px rgba(16, 24, 40, .04);
  --shadow-lg: 0 12px 32px rgba(16, 24, 40, .12);
  --container: 1280px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 14px;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
h1, h2, h3, h4 { margin: 0 0 12px; line-height: 1.3; font-weight: 700; }
h1 { font-size: 26px; }
h2 { font-size: 20px; }
h3 { font-size: 16px; }
p { margin: 0 0 10px; }
ul { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 16px; }
.row { display: flex; gap: 16px; }
.spacer { flex: 1; }
.muted { color: var(--muted); }
.center { text-align: center; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }

/* ---------- top bar ---------- */
.topbar { background: #14181f; color: #d6dae1; font-size: 12.5px; }
.topbar .container { display: flex; align-items: center; gap: 18px; height: 38px; }
.topbar a { color: #d6dae1; }
.topbar a:hover { color: #fff; }
.topbar .promo { color: #ffb020; font-weight: 600; }
.topbar select {
  background: transparent; color: #d6dae1; border: 1px solid #333a45; border-radius: 6px;
  padding: 3px 6px; font-size: 12px; outline: none;
}
.topbar select option { color: #1f2937; }

/* ---------- header ---------- */
.site-header { background: var(--white); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 60; }
.site-header .container { display: flex; align-items: center; gap: 20px; height: 68px; }
.logo { display: flex; align-items: center; gap: 9px; font-size: 20px; font-weight: 800; letter-spacing: -.4px; color: var(--primary); white-space: nowrap; }
.logo span { color: var(--ink); }
.logo-mark {
  width: 34px; height: 34px; border-radius: 9px; background: linear-gradient(135deg, var(--primary), #4f9bf5);
  color: #fff; display: grid; place-items: center; font-size: 15px; font-weight: 800;
}
.searchbox { flex: 1; max-width: 620px; position: relative; }
.searchbox form { display: flex; }
.searchbox input {
  width: 100%; height: 40px; padding: 0 14px; border: 2px solid var(--primary); border-right: none;
  border-radius: 8px 0 0 8px; outline: none; background: #fff;
}
.searchbox button {
  height: 40px; padding: 0 20px; border: none; background: var(--primary); color: #fff; font-weight: 600;
  border-radius: 0 8px 8px 0; cursor: pointer;
}
.searchbox button:hover { background: var(--primary-dark); }
.suggest {
  position: absolute; top: 42px; left: 0; right: 0; background: #fff; border: 1px solid var(--line);
  border-radius: 8px; box-shadow: var(--shadow-lg); z-index: 70; overflow: hidden; display: none;
}
.suggest a { display: flex; justify-content: space-between; gap: 10px; padding: 9px 14px; border-bottom: 1px solid var(--line-2); font-size: 13px; }
.suggest a:hover { background: #f3f7ff; }
.header-actions { display: flex; align-items: center; gap: 14px; white-space: nowrap; }
.hdr-item { display: flex; flex-direction: column; align-items: center; gap: 1px; font-size: 12px; color: var(--ink-2); position: relative; }
.hdr-item svg { width: 21px; height: 21px; }
.cart-badge {
  position: absolute; top: -6px; right: -10px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 9px;
  background: var(--accent); color: #fff; font-size: 11px; font-weight: 700; display: grid; place-items: center;
}
.hdr-phone { font-size: 13px; font-weight: 600; color: var(--ink); }

/* ---------- nav ---------- */
.main-nav { background: var(--white); border-bottom: 1px solid var(--line); position: relative; z-index: 50; }
.main-nav .container { display: flex; align-items: center; gap: 4px; height: 46px; overflow-x: auto; }
.main-nav a.nav-link { padding: 0 12px; height: 46px; display: flex; align-items: center; font-weight: 600; font-size: 13.5px; color: var(--ink-2); }
.main-nav a.nav-link:hover { color: var(--primary); }
.main-nav a.nav-link.active { color: var(--primary); box-shadow: inset 0 -3px 0 var(--primary); }
.nav-item { position: relative; }
.nav-item:hover .mega { display: block; }
.mega {
  display: none; position: absolute; top: 46px; left: 0; min-width: 560px; background: #fff; border: 1px solid var(--line);
  border-radius: 0 0 10px 10px; box-shadow: var(--shadow-lg); padding: 16px 18px;
}
.mega h4 { font-size: 12px; text-transform: uppercase; color: var(--muted); letter-spacing: .6px; margin-bottom: 8px; }
.mega .mega-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px 14px; }
.mega a { font-size: 13px; padding: 4px 0; color: var(--ink-2); }
.mega a:hover { color: var(--primary); }
.mega .mega-side { border-left: 1px solid var(--line-2); padding-left: 16px; }

/* ---------- hero ---------- */
.hero { background: linear-gradient(120deg, #eef4ff 0%, #f7fafd 55%, #eaf1ff 100%); border-bottom: 1px solid var(--line); }
.hero .container { display: grid; grid-template-columns: 1.05fr .95fr; gap: 24px; align-items: center; padding-top: 34px; padding-bottom: 34px; }
.hero h1 { font-size: 34px; margin-bottom: 14px; letter-spacing: -.5px; }
.hero p.lead { color: var(--ink-2); font-size: 15px; max-width: 560px; }
.hero-cta { display: flex; gap: 12px; margin: 20px 0 20px; flex-wrap: wrap; }
.hero-usps { display: grid; grid-template-columns: repeat(4, auto); gap: 18px; margin-top: 6px; }
.usp { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.usp-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); }
.hero-art { display: flex; justify-content: center; }
.hero-art img { max-width: 100%; height: auto; }

/* ---------- sections ---------- */
.section { padding: 34px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 16px; gap: 12px; }
.section-head h2 { margin: 0; }
.section-head .more { color: var(--primary); font-size: 13px; font-weight: 600; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.pad { padding: 20px; }

/* ---------- category tiles ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(168px, 1fr)); gap: 14px; }
.cat-tile { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; text-align: center; transition: .18s; }
.cat-tile:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.cat-tile img { width: 100%; height: 92px; object-fit: contain; margin-bottom: 8px; }
.cat-tile strong { display: block; font-size: 13px; }

/* ---------- product grid ---------- */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(212px, 1fr)); gap: 16px; }
/* a fixed five-column shelf: two rows of five on the homepage highlights */
.product-grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
@media (max-width: 1180px) {
  .product-grid-5 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .product-grid-5 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .product-grid-5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.p-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 12px;
  display: flex; flex-direction: column; position: relative; transition: .18s; overflow: hidden;
}
.p-card:hover { border-color: #c9d9f2; box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.p-card .thumb { position: relative; background: #f7f9fc; border-radius: 8px; overflow: hidden; margin-bottom: 10px; }
.p-card .thumb img { width: 100%; height: auto; aspect-ratio: 1/1; object-fit: cover; }
.p-card .thumb { aspect-ratio: 1/1; }
.badge {
  position: absolute; top: 8px; left: 8px; padding: 2px 7px; border-radius: 5px; font-size: 11px; font-weight: 700; color: #fff;
}
.badge.new { background: var(--primary); }
.badge.sale { background: var(--accent); }
.badge.best { background: #7c3aed; }
.badge.hot { background: var(--danger); }
.p-card .p-brand { font-size: 11px; color: var(--muted); font-weight: 600; letter-spacing: .3px; }
.p-card .p-name {
  font-size: 13px; font-weight: 500; line-height: 1.4; margin: 4px 0 8px; color: var(--ink);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 36px;
}
.p-card .p-name:hover { color: var(--primary); }
.p-meta { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.stars { color: #f5a623; letter-spacing: -1px; }
.price-row { display: flex; align-items: baseline; gap: 8px; margin-top: auto; flex-wrap: wrap; }
.price { font-size: 17px; font-weight: 800; color: var(--danger); }
.price-old { font-size: 12.5px; color: var(--muted); text-decoration: line-through; }
.p-code { font-size: 11px; color: var(--muted); }
.p-actions { display: flex; gap: 8px; margin-top: 10px; }
.p-actions .btn { flex: 1; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 38px; padding: 0 18px;
  border-radius: 8px; border: 1px solid transparent; font-size: 13.5px; font-weight: 600; cursor: pointer;
  transition: .15s; background: #eef2f7; color: var(--ink);
}
.btn:hover { filter: brightness(.97); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); }
.btn-outline { background: #fff; border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: #f0f6ff; }
.btn-block { width: 100%; }
.btn-sm { height: 32px; padding: 0 12px; font-size: 12.5px; }
.btn-lg { height: 46px; padding: 0 26px; font-size: 15px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* ---------- layout: shop ---------- */
.shop-layout { display: grid; grid-template-columns: 250px 1fr; gap: 20px; align-items: start; }
.filters { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; position: sticky; top: 120px; }
.filters h3 { font-size: 13px; text-transform: uppercase; color: var(--muted); letter-spacing: .5px; margin: 18px 0 8px; }
.filters h3:first-child { margin-top: 0; }
.filters label { display: flex; align-items: center; gap: 8px; padding: 4px 0; font-size: 13px; cursor: pointer; }
.filters input[type="text"] { width: 100%; height: 32px; padding: 0 8px; border: 1px solid var(--line); border-radius: 6px; }
.filters select { width: 100%; height: 34px; border: 1px solid var(--line); border-radius: 6px; padding: 0 8px; background: #fff; }
.price-range { display: flex; align-items: center; gap: 6px; }
.breadcrumb { font-size: 12.5px; color: var(--muted); padding: 14px 0 0; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.list-toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 14px; margin-bottom: 14px; }
.list-toolbar select { height: 32px; border: 1px solid var(--line); border-radius: 6px; padding: 0 8px; }
.subcats { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.subcats a { padding: 5px 12px; border: 1px solid var(--line); border-radius: 20px; background: #fff; font-size: 12.5px; }
.subcats a.active { border-color: var(--primary); color: var(--primary); font-weight: 600; }

.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 24px; flex-wrap: wrap; }
.pagination a, .pagination span { min-width: 34px; height: 34px; padding: 0 10px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 8px; background: #fff; font-size: 13px; }
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); font-weight: 700; }

/* ---------- product detail ---------- */
.pd { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.pd-gallery { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.pd-gallery img { width: 100%; }
.pd-thumbs { display: flex; gap: 8px; padding: 10px; }
.pd-thumbs img { width: 62px; height: 62px; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; object-fit: cover; }
.pd-thumbs img.active { border-color: var(--primary); }
.pd-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.pd-price { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.pd-price .price { font-size: 28px; }
.pd-stock { display: inline-flex; align-items: center; gap: 6px; color: var(--success); font-weight: 600; font-size: 13px; }
.pd-stock.out { color: var(--muted); }
.qty { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; height: 40px; }
.qty button { width: 38px; height: 38px; border: none; background: #f3f5f9; cursor: pointer; font-size: 16px; color: var(--ink-2); }
.qty button:hover { background: #e6ebf2; }
.qty input { width: 52px; height: 38px; border: none; text-align: center; font-weight: 600; outline: none; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.spec-table td { padding: 8px 10px; border-bottom: 1px solid var(--line-2); }
.spec-table td:first-child { color: var(--muted); width: 150px; background: #fafbfc; }
.bullets li { position: relative; padding-left: 18px; margin-bottom: 6px; color: var(--ink-2); }
.bullets li:before { content: "✓"; position: absolute; left: 0; color: var(--success); font-weight: 700; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 14px; flex-wrap: wrap; }
.tabs button { border: none; background: none; padding: 10px 16px; font-weight: 600; color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; }
.tabs button.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- cart & checkout ---------- */
.cart-layout { display: grid; grid-template-columns: 1fr 340px; gap: 20px; align-items: start; }
.cart-row { display: grid; grid-template-columns: 84px 1fr 130px 100px 60px; gap: 12px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line-2); }
.cart-row img { width: 72px; height: 72px; border-radius: 8px; border: 1px solid var(--line); object-fit: cover; }
.summary-row { display: flex; justify-content: space-between; padding: 7px 0; font-size: 13.5px; }
.summary-row.total { border-top: 1px solid var(--line); margin-top: 8px; padding-top: 12px; font-size: 17px; font-weight: 800; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 12.5px; font-weight: 600; color: var(--ink-2); }
.field input, .field select, .field textarea {
  height: 38px; padding: 0 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; outline: none;
}
.field textarea { height: 92px; padding: 8px 10px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--primary); }
.field .err { color: var(--danger); font-size: 12px; }

/* ---------- content pages ---------- */
.prose { max-width: 820px; }
.prose h2 { margin-top: 26px; }
.prose p, .prose li { color: var(--ink-2); }
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.why { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.why strong { display: block; margin-bottom: 4px; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stat { background: linear-gradient(135deg, #1668dc, #4f9bf5); color: #fff; border-radius: var(--radius); padding: 18px; text-align: center; }
.stat b { display: block; font-size: 26px; }
.stat span { font-size: 12.5px; opacity: .9; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 10px; overflow: hidden; }
.faq-item summary { padding: 14px 18px; font-weight: 600; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:after { content: "+"; float: right; color: var(--primary); font-size: 18px; }
.faq-item[open] summary:after { content: "−"; }
.faq-item .faq-body { padding: 0 18px 16px; color: var(--ink-2); }
.contact-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 20px; align-items: start; }
.contact-item { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.contact-item b { display: block; }

/* ---------- brand strip ---------- */
.brand-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.brand-chip {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); height: 74px; display: grid;
  place-items: center; font-weight: 800; font-size: 16px; color: var(--ink-2); letter-spacing: .5px; transition: .15s;
}
.brand-chip:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow); }
.brand-chip small { display: block; font-weight: 500; font-size: 11px; color: var(--muted); }

/* ---------- newsletter / footer ---------- */
.newsletter { background: linear-gradient(120deg, #1668dc, #4f9bf5); color: #fff; border-radius: 14px; padding: 26px; display: flex; align-items: center; gap: 20px; flex-wrap: wrap; justify-content: space-between; }
.newsletter h2 { margin: 0 0 4px; }
.newsletter form { display: flex; gap: 8px; }
.newsletter input { height: 42px; width: 260px; padding: 0 12px; border: none; border-radius: 8px; outline: none; }
.newsletter .btn { height: 42px; background: #14181f; color: #fff; }
.site-footer { background: #14181f; color: #b9c0cc; margin-top: 40px; padding: 40px 0 20px; }
.site-footer h4 { color: #fff; font-size: 14px; margin-bottom: 12px; }
.site-footer a { color: #b9c0cc; font-size: 13px; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 26px; }
.footer-bottom { border-top: 1px solid #232833; margin-top: 26px; padding-top: 16px; font-size: 12.5px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.socials { display: flex; gap: 8px; }
.socials a { width: 32px; height: 32px; border-radius: 50%; background: #232833; display: grid; place-items: center; font-size: 12px; color: #fff; }

/* ---------- toast ---------- */
#toast {
  position: fixed; right: 18px; bottom: 18px; z-index: 999; display: flex; flex-direction: column; gap: 8px;
}
.toast-item {
  background: #14181f; color: #fff; padding: 10px 16px; border-radius: 10px; box-shadow: var(--shadow-lg);
  font-size: 13px; animation: slide .25s ease;
}
@keyframes slide { from { transform: translateY(10px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------- admin ---------- */
.admin-wrap { display: grid; grid-template-columns: 200px 1fr; gap: 20px; align-items: start; }
.admin-side { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 10px; }
.admin-side a { display: block; padding: 9px 12px; border-radius: 8px; font-size: 13.5px; font-weight: 600; color: var(--ink-2); }
.admin-side a:hover, .admin-side a.active { background: #f0f6ff; color: var(--primary); }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; background: #fff; }
table.data th, table.data td { padding: 10px 12px; border-bottom: 1px solid var(--line-2); text-align: left; }
table.data th { background: #fafbfc; font-size: 12px; text-transform: uppercase; color: var(--muted); letter-spacing: .4px; }
table.data tr:hover td { background: #fbfcfe; }
.pill { padding: 2px 9px; border-radius: 20px; font-size: 11.5px; font-weight: 700; }
.pill.pending { background: #fff4e5; color: #b35c00; }
.pill.paid { background: #e7f6ec; color: #14763a; }
.pill.shipped { background: #e8f0ff; color: #0f4fb0; }
.pill.completed { background: #eef0f3; color: #3d4b5c; }
.pill.cancelled { background: #fdecec; color: #b3261e; }
.login-box { max-width: 380px; margin: 80px auto; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 28px; box-shadow: var(--shadow); }
.admin-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.admin-stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.admin-stat b { display: block; font-size: 22px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
.banner { border-radius: var(--radius); padding: 11px 14px; font-size: 14px; }
.banner.ok { background: #e7f6ec; color: #14763a; border: 1px solid #b6e3c6; }
.banner.err { background: #fdecec; color: #b3261e; border: 1px solid #f3c3c0; }
.addr-row { border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; margin-bottom: 10px; font-size: 14px; }
.btn-danger { background: #d6453d; color: #fff; border: 1px solid #c23b33; }
.btn-danger:hover { background: #b8382f; }
.btn-danger { color: #fff; }
hr.mt-24 { border: none; border-top: 1px solid var(--line); }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-art { display: none; }
  .shop-layout { grid-template-columns: 1fr; }
  .filters { position: static; }
  .cart-layout { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .site-header .container { height: auto; flex-wrap: wrap; padding: 10px 16px; gap: 10px; }
  .searchbox { order: 3; max-width: none; flex-basis: 100%; }
  .pd { grid-template-columns: 1fr; }
  .featured-box { grid-template-columns: 1fr !important; }
  .featured-box img { max-width: 100%; height: auto; }
  .cart-row { grid-template-columns: 64px 1fr; grid-auto-rows: auto; }
  .cart-row .qty, .cart-row .cart-total, .cart-row .cart-del { grid-column: 2; }
  .form-grid { grid-template-columns: 1fr; }
  .stat-grid, .admin-stats { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 26px; }
  .admin-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .mega { min-width: 0; left: 0; right: 0; }
}

/* ---------- three level catalogue ---------- */
.mega.mega-wide { min-width: 860px; }
.mega-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px 22px; }
.mega-col h5 { font-size: 12.5px; margin: 0 0 4px; }
.mega-col h5 a { color: var(--ink); font-weight: 700; }
.mega-sub { display: flex; flex-direction: column; max-height: 330px; overflow-y: auto; }
.mega-sub a.mega-deep { font-size: 12px; color: var(--muted); padding-left: 10px; border-left: 1px solid var(--line-2); margin-left: 3px; }
.mega-sub a.mega-more { font-size: 12px; color: var(--primary); font-weight: 600; }
.mega .mega-scroll { max-height: 340px; overflow-y: auto; }
.mega-col h5 { margin: 0 0 6px; font-size: 13px; }
.mega-col h5 a { color: var(--ink); font-weight: 700; }
.mega-col h5 a:hover { color: var(--primary); }
.mega-sub { display: flex; flex-direction: column; gap: 2px; }
.mega-sub a { font-size: 12.3px; color: var(--muted); padding: 1px 0; }
.mega-sub a:hover { color: var(--primary); }
.mega-foot { display: flex; gap: 18px; margin-top: 14px; padding-top: 10px; border-top: 1px solid var(--line-2); }
.mega-foot a { font-size: 12.5px; font-weight: 600; color: var(--primary); }

.subcat-groups { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; margin-bottom: 18px; }
.subcat-group { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.subcat-group h4 { margin: 0 0 8px; font-size: 13.5px; }
.subcat-group h4 a { color: var(--ink); }
.subcat-group h4 a:hover { color: var(--primary); }
.subcat-group .chips { display: flex; flex-wrap: wrap; gap: 6px; }
.subcat-group .chips a { font-size: 12.3px; padding: 3px 10px; border: 1px solid var(--line-2); border-radius: 14px; color: var(--ink-2); background: #fff; }
.subcat-group .chips a:hover { border-color: var(--primary); color: var(--primary); }
.subcat-group .chips a.active { border-color: var(--primary); color: var(--primary); font-weight: 600; }

.catalog-block { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 16px; box-shadow: var(--shadow); }
.catalog-block h2 { display: flex; align-items: center; gap: 10px; margin: 0 0 4px; font-size: 19px; }
.catalog-block h2 img { width: 30px; height: 30px; }
.catalog-block .block-lead { color: var(--muted); font-size: 13px; margin: 0 0 14px; }
.catalog-groups { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.catalog-group { border: 1px solid var(--line-2); border-radius: 10px; padding: 12px 14px; background: #fcfdff; }
.catalog-group h3 { margin: 0 0 8px; font-size: 14px; }
.catalog-group h3 a { color: var(--ink); }
.catalog-group h3 a:hover { color: var(--primary); }
.catalog-group ul { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 16px; }
.catalog-group li { font-size: 12.8px; padding: 3px 0; break-inside: avoid; }
.catalog-group li a { color: var(--ink-2); display: flex; justify-content: space-between; gap: 8px; }
.catalog-group li a:hover { color: var(--primary); }
.catalog-group .cnt { color: var(--muted); font-size: 11.5px; }
.catalog-group ul.catalog-leaves { columns: 1; }
.catalog-deep { display: flex; flex-wrap: wrap; gap: 4px 8px; padding: 2px 0 6px 8px; border-left: 1px solid var(--line-2); margin-left: 3px; }
.catalog-deep a { font-size: 11.8px; color: var(--muted); display: inline-flex; gap: 4px; }
.catalog-deep a:hover { color: var(--primary); }
.catalog-jump { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.catalog-jump a { padding: 6px 14px; border: 1px solid var(--line); border-radius: 20px; background: #fff; font-size: 13px; font-weight: 600; }
.catalog-jump a:hover { border-color: var(--primary); color: var(--primary); }

@media (max-width: 1024px) {
  .mega.mega-wide { min-width: 0; left: 0; right: 0; }
  .mega-cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .mega-cols { grid-template-columns: 1fr; }
  .catalog-group ul { columns: 1; }
}

/* ---- customer account ---- */
.auth-wrap { max-width: 460px; margin: 0 auto; }
.acct-nav { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.acct-nav a { padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line); font-size: 13.5px; font-weight: 600; color: var(--ink-2); }
.acct-nav a.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.acct-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
.acct-grid .full { grid-column: 1 / -1; }
.stat-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.stat-card .n { font-size: 26px; font-weight: 700; line-height: 1.1; }
.stat-card .l { color: var(--muted); font-size: 12.5px; margin-top: 4px; }
.data-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.data-table th, .data-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); font-size: 13.5px; }
.data-table th { background: #f6f8fb; font-weight: 600; color: var(--ink-2); }
.data-table tr:last-child td { border-bottom: none; }
.data-table .num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.status-pill { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; background: #eef4ff; color: var(--primary); }
.addr-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; background: #fff; position: relative; }
.addr-card.is-default { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary) inset; }
.addr-card .tag { position: absolute; top: 10px; right: 12px; font-size: 11px; color: var(--primary); font-weight: 700; }
.addr-card .acts { margin-top: 10px; display: flex; gap: 8px; }
.addr-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.addr-form { border: 1px dashed var(--line); border-radius: var(--radius); padding: 16px; background: #fff; }

@media (max-width: 720px) {
  .acct-grid, .addr-grid { grid-template-columns: 1fr; }
}