:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-2: #eef3f8;
  --ink: #101828;
  --muted: #667085;
  --line: #d9e2ec;
  --blue: #155eef;
  --blue-dark: #0f3f9f;
  --green: #07835d;
  --amber: #b54708;
  --radius: 8px;
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.topbar .container { width: min(1440px, calc(100% - 32px)); }
.skip { position: absolute; left: 16px; top: 8px; transform: translateY(-160%); background: var(--ink); color: white; padding: 10px 14px; border-radius: var(--radius); z-index: 10; }
.skip:focus { transform: translateY(0); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 248, 251, .92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  font-weight: 800;
  letter-spacing: 0;
}
.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: contain;
}
.brand-text {
  display: grid;
  gap: 0;
  line-height: 1.05;
}
.brand-subtitle {
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
  white-space: nowrap;
}
.mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--blue), var(--green));
  display: grid;
  place-items: center;
  color: white;
  font-size: 18px;
  font-weight: 900;
}
.navlinks { display: flex; align-items: center; justify-content: flex-start; gap: 4px; flex: 1 1 auto; flex-wrap: nowrap; }
.navlinks a, .pill, .nav-trigger, .language-trigger {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 6px 8px;
  border-radius: var(--radius);
  color: #344054;
  font-weight: 650;
  font-size: 13px;
  white-space: nowrap;
}
.navlinks .nav-home {
  width: 34px;
  flex: 0 0 34px;
  padding: 0;
  color: #ff2d20;
}
.nav-home svg {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
}
.navlinks a:hover, .navlinks a:focus-visible, .pill:hover, .pill:focus-visible, .nav-trigger:hover, .nav-trigger:focus-visible, .language-trigger:hover, .language-trigger:focus-visible {
  background: var(--surface-2);
  color: #ff2d20;
}
.nav-menu, .language-menu { position: relative; flex: 0 0 auto; }
.nav-menu summary, .language-menu summary { list-style: none; cursor: pointer; }
.nav-menu summary::-webkit-details-marker, .language-menu summary::-webkit-details-marker { display: none; }
.category-panel {
  position: absolute;
  left: 0;
  top: calc(100% + 8px);
  width: min(340px, calc(100vw - 24px));
  max-height: min(560px, calc(100vh - 96px));
  overflow: auto;
  display: grid;
  gap: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 18px 45px rgba(16, 24, 40, .14);
  z-index: 40;
}
.navlinks .category-panel a {
  min-height: 56px;
  justify-content: flex-start;
  border-radius: 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 16px;
  font-weight: 850;
  padding: 14px 18px;
}
.navlinks .category-panel a:last-child { border-bottom: 0; }
.navlinks .category-panel a:hover, .navlinks .category-panel a:focus-visible { background: var(--surface-2); color: #ff2d20; }
.navlinks .category-panel .catalog-link {
  min-height: 70px;
  color: #344054;
  font-size: 15px;
  line-height: 1.35;
  white-space: normal;
}
.language-icon { width: 18px; height: 18px; flex: 0 0 auto; }
.language-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: min(430px, calc(100vw - 24px));
  max-height: min(620px, calc(100vh - 96px));
  overflow: auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 8px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 18px 45px rgba(16, 24, 40, .14);
  z-index: 40;
}
.language-option {
  min-height: 44px;
  width: 100%;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
  color: #475467;
  font: inherit;
  font-weight: 650;
  text-align: left;
  padding: 8px 14px;
  cursor: pointer;
}
.language-option:hover, .language-option[aria-current="true"] {
  background: #eef7e8;
  color: #4ca30d;
}
.skiptranslate, #google_translate_element { display: none !important; }
body { top: 0 !important; }
.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 15px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--blue);
  color: white;
  font-weight: 750;
  cursor: pointer;
}
.btn:hover { background: var(--blue-dark); }
.btn.secondary { color: var(--ink); background: white; border-color: var(--line); }
.btn.secondary:hover { background: var(--surface-2); }

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: max(420px, calc(100vw * 887 / 1774 * .6667));
  padding: 38px 0 26px;
  color: white;
  background-color: #1a130d;
  background-image:
    linear-gradient(90deg, rgba(9, 18, 33, .52) 0%, rgba(9, 18, 33, .30) 46%, rgba(9, 18, 33, .08) 100%),
    url("/assets/hero-logistics.png");
  background-position: center, center;
  background-size: cover, 100% auto;
  background-repeat: no-repeat, no-repeat;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 860px);
  gap: 28px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: white;
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .26);
  border-radius: 999px;
  padding: 7px 11px;
  font-weight: 750;
  font-size: 13px;
  backdrop-filter: blur(10px);
}
h1 {
  font-size: clamp(38px, 5vw, 68px);
  line-height: 1.02;
  letter-spacing: 0;
  margin: 18px 0 18px;
  max-width: 820px;
}
.hero h1 {
  font-size: 48px;
  max-width: 900px;
  text-shadow: 0 3px 18px rgba(0, 0, 0, .56);
}
.lead {
  font-size: clamp(18px, 2vw, 21px);
  color: rgba(255, 255, 255, .88);
  max-width: 730px;
}
.hero .lead {
  font-size: 18px;
  line-height: 1.5;
  max-width: 820px;
  text-shadow: 0 2px 14px rgba(0, 0, 0, .58);
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.hero .btn.secondary {
  color: white;
  background: rgba(255, 255, 255, .14);
  border-color: rgba(255, 255, 255, .38);
}
.hero .btn.secondary:hover { background: rgba(255, 255, 255, .22); }
.hero-search {
  display: flex;
  width: min(100%, 820px);
  gap: 10px;
  margin-top: 22px;
  padding: 8px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
}
.hero-search input {
  min-width: 0;
  flex: 1;
  border: 0;
  border-radius: calc(var(--radius) - 4px);
  padding: 0 14px;
  color: var(--ink);
  background: rgba(255, 255, 255, .94);
  font: inherit;
  font-weight: 650;
}
.hero-search input:focus { outline: 3px solid rgba(37, 99, 235, .45); }
.hero-search .btn { white-space: nowrap; }

.section { padding: 38px 0; }
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}
.section h2 {
  margin: 0;
  font-size: clamp(26px, 3vw, 38px);
  letter-spacing: 0;
  line-height: 1.15;
}
.section p { color: var(--muted); }

.controls {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 180px 180px 140px;
  gap: 10px;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  margin-bottom: 18px;
}
.field {
  min-height: 44px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 12px;
  font: inherit;
  background: white;
  color: var(--ink);
}

.spreadsheet-table-wrap {
  overflow-x: auto;
  border: 1px solid #263141;
  border-radius: var(--radius);
  background: #111827;
}
.spreadsheet-table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
}
.spreadsheet-table th,
.spreadsheet-table td {
  padding: 12px;
  border-bottom: 1px solid #263141;
  color: #f8fafc;
  text-align: left;
  vertical-align: middle;
}
.spreadsheet-table th {
  background: #1f2937;
  color: #cbd5e1;
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
}
.spreadsheet-table tr:last-child td { border-bottom: 0; }
.spreadsheet-find {
  min-width: 280px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.spreadsheet-find img {
  width: 58px;
  height: 58px;
  flex: 0 0 58px;
  border-radius: 6px;
  object-fit: cover;
  background: white;
}
.spreadsheet-find strong {
  display: block;
  color: white;
  font-size: 14px;
  line-height: 1.25;
}
.spreadsheet-summary {
  display: -webkit-box;
  max-width: 330px;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  color: #94a3b8;
  font-size: 12px;
  line-height: 1.35;
}
.spreadsheet-price {
  color: #22c55e;
  font-weight: 900;
  white-space: nowrap;
}
.spreadsheet-status {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 3px 8px;
  border: 1px solid #bef264;
  border-radius: 4px;
  background: rgba(190, 242, 100, .12);
  color: #d9f99d;
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
  white-space: nowrap;
}
.row-link {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 11px;
  border: 1px solid #fde047;
  border-radius: 4px;
  background: #fef08a;
  color: #422006;
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  white-space: nowrap;
}
.row-link:hover { background: #fde047; color: #422006; }
.spreadsheet-muted { color: #cbd5e1; font-size: 13px; }
.spreadsheet-category-group {
  margin-top: 22px;
}
.spreadsheet-category-group:first-child {
  margin-top: 0;
}
.spreadsheet-category-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}
.spreadsheet-category-head h2 {
  margin: 0;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.2;
}
.spreadsheet-category-head span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}
.spreadsheet-secondary {
  margin-top: 14px;
}
.spreadsheet-secondary summary {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid #263141;
  border-radius: var(--radius);
  background: #111827;
  color: #f8fafc;
  cursor: pointer;
  font-weight: 850;
}
.spreadsheet-secondary summary::-webkit-details-marker {
  display: none;
}
.spreadsheet-secondary summary::after {
  content: "+";
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border: 1px solid #334155;
  border-radius: 50%;
  color: #bef264;
}
.spreadsheet-secondary[open] summary {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}
.spreadsheet-secondary[open] summary::after {
  content: "-";
}
.spreadsheet-secondary summary strong {
  color: #cbd5e1;
  font-size: 13px;
  font-weight: 750;
  text-align: right;
}
.spreadsheet-secondary .spreadsheet-table-wrap {
  border-top: 0;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.category {
  min-height: 112px;
  padding: 0;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: white;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.category-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  background: #f8fafc;
  border-bottom: 1px solid var(--line);
}
.category-body {
  min-height: 170px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  flex: 1;
}
.category strong { display: block; font-size: 18px; }
.category span { color: var(--muted); font-weight: 650; font-size: 13px; }
.category-product-title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 8px;
  color: var(--ink);
  font-weight: 800;
  line-height: 1.28;
}
.category-product-title:hover { color: #ff2d20; }
.category-product-meta {
  display: block;
  margin-top: 5px;
}
.category-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 7px;
  width: 100%;
}
.category-action {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 10px;
  border-radius: var(--radius);
  background: #2563eb;
  color: white;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  overflow-wrap: anywhere;
}
.category-action:hover { background: #1d4ed8; color: white; }
.category-action.secondary {
  background: #f1f5f9;
  color: #344054;
}
.category-action.secondary:hover {
  background: #e2e8f0;
  color: #111827;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 4px rgba(16, 24, 40, .02);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover {
  border-color: #ff6b4a;
  box-shadow: 0 12px 24px rgba(255, 45, 32, .10);
  transform: translateY(-4px);
}
.card-media {
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--surface-2);
}
.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: white;
  transition: transform .4s ease;
}
.card:hover .card-img { transform: scale(1.05); }
.image-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  max-width: calc(100% - 20px);
  min-height: 24px;
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border: 1px solid rgba(255, 255, 255, .75);
  border-radius: 6px;
  background: rgba(255, 255, 255, .90);
  color: #344054;
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.card-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.brand-name {
  color: #c2261d;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .05em;
  line-height: 1.3;
  text-transform: uppercase;
}
a.brand-name, .meta a {
  color: inherit;
  text-decoration: none;
}
a.brand-name:hover, a.brand-name:focus-visible, .meta a:hover, .meta a:focus-visible {
  color: var(--blue);
  text-decoration: underline;
}
.card h3 {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  min-height: 42px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.price { color: var(--ink); font-size: 17px; font-weight: 850; }
.card-actions {
  margin-top: auto;
  padding-top: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.featured-tag {
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid #fef08a;
  border-radius: 4px;
  background: #fefce8;
  color: #a16207;
  font-size: 10px;
  font-weight: 850;
  line-height: 1;
  padding: 5px 8px;
  text-transform: uppercase;
  white-space: nowrap;
}
.featured-tag:hover { background: #fef9c3; border-color: #fde047; }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 8px;
  border-radius: 999px;
  background: #ecfdf3;
  color: #05603a;
  font-size: 12px;
  font-weight: 800;
}
.badge.warn { background: #fff7ed; color: var(--amber); }

.copy-block {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(18px, 3vw, 28px);
}
.copy-block h2, .copy-block h3 { color: var(--ink); }
.copy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.process-step {
  min-height: 180px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
}
.process-step span {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  margin-bottom: 12px;
  padding: 3px 9px;
  border-radius: 999px;
  background: #e9f1ff;
  color: var(--blue-dark);
  font-size: 12px;
  font-weight: 850;
}
.process-step h3 { margin: 0 0 8px; font-size: 18px; }
.process-step p { margin: 0; color: var(--muted); }
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.trust-card {
  min-height: 190px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
}
.trust-card strong {
  display: block;
  margin-bottom: 8px;
  color: #c2261d;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.trust-card h3 { margin: 0 0 8px; font-size: 19px; }
.trust-card p { margin: 0; color: var(--muted); }
.guide-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.faq details {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 10px;
}
.faq summary { cursor: pointer; font-weight: 800; }

.product-layout {
  display: grid;
  grid-template-columns: minmax(280px, 440px) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  padding: 36px 0;
}
.product-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
}
.detail-panel {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(18px, 3vw, 28px);
}
.detail-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 20px 0;
}
.detail-list div {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
}
.detail-list span { display: block; color: var(--muted); font-size: 12px; font-weight: 800; }
.detail-list strong { display: block; margin-top: 3px; }

.footer {
  margin-top: 36px;
  background: #111827;
  color: #d0d5dd;
  padding: 34px 0;
}
.footer a { color: white; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 24px;
}
.footer h3, .footer h4 { color: white; margin-top: 0; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 60;
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 8px;
  background: #f2f0f4;
  color: #ff2d65;
  box-shadow: 0 14px 30px rgba(15, 23, 42, .18);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px);
  transition: opacity .18s ease, transform .18s ease, box-shadow .18s ease;
}
.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.back-to-top:hover,
.back-to-top:focus-visible {
  box-shadow: 0 18px 38px rgba(15, 23, 42, .24);
}
.back-to-top svg {
  width: 28px;
  height: 28px;
}

@media (max-width: 920px) {
  .nav { align-items: flex-start; flex-direction: column; }
  .navlinks { width: 100%; justify-content: flex-start; flex-wrap: wrap; }
  .hero-grid, .product-layout, .copy-grid, .process-grid, .trust-grid, .guide-strip { grid-template-columns: 1fr; }
  .controls { grid-template-columns: 1fr 1fr; }
  .product-grid, .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .spreadsheet-table { min-width: 760px; }
  .spreadsheet-table .optional-column { display: none; }
}
@media (max-width: 560px) {
  .container { width: min(100% - 24px, 1180px); }
  .nav { align-items: flex-start; flex-direction: column; padding: 12px 0; }
  .navlinks { width: 100%; }
  .navlinks a { flex: 1; }
  .navlinks .nav-home { flex: 0 0 38px; width: 38px; }
  .nav-menu { width: 100%; }
  .nav-trigger { width: 100%; }
  .category-panel {
    left: 0;
    right: 0;
    width: min(100%, calc(100vw - 24px));
  }
  .navlinks .category-panel a { flex: none; }
  .language-menu { width: 100%; }
  .language-trigger { width: 100%; }
  .language-panel { left: 0; right: auto; grid-template-columns: 1fr; }
  .hero {
    min-height: min(520px, calc(100vh - 139px));
    padding-top: 38px;
    padding-bottom: 34px;
    background-position: center, center;
    background-size: cover, auto 100%;
  }
  .hero h1 { font-size: 36px; }
  .hero-search { flex-direction: column; }
  .hero-search input { min-height: 46px; }
  .stats, .controls, .category-grid, .footer-grid, .detail-list { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .card-body { padding: 14px; }
  .card h3 { font-size: 14px; }
  .featured-tag { padding: 4px 6px; }
  .spreadsheet-category-head { align-items: flex-start; flex-direction: column; gap: 4px; }
  .spreadsheet-table th, .spreadsheet-table td { padding: 10px; }
  .spreadsheet-find { min-width: 235px; gap: 10px; }
  .spreadsheet-find img { width: 50px; height: 50px; flex-basis: 50px; }
  .back-to-top {
    right: 16px;
    bottom: 16px;
    width: 56px;
    height: 56px;
  }
  .back-to-top svg {
    width: 24px;
    height: 24px;
  }
}