:root {
  color-scheme: light;
  --ink: #1d1d1f;
  --muted: #86868b;
  --surface: #f5f5f7;
  --line: #d2d2d7;
  --accent: #0071e3;
  --radius-pill: 980px;
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; color: var(--ink); background: #fff; letter-spacing: -0.01em; }
h1,h2,h3,p { margin: 0; }
a { color: inherit; text-decoration: none; }
button,input,textarea,select { font: inherit; }
button { cursor: pointer; }
button,a,input,textarea,select { -webkit-tap-highlight-color: transparent; }
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
button:disabled { cursor: not-allowed; opacity: .35; }
.wrap { width: min(1120px, calc(100% - 80px)); margin-inline: auto; }
.preview-note { text-align: center; font-size: 11px; font-weight: 400; padding: 8px 16px; line-height: 1.5; background: #f5f5f7; color: var(--muted); letter-spacing: 0; }
.delivery-strip { text-align: center; font-size: 12px; font-weight: 400; background: #000; padding: 11px 16px; color: #f5f5f7; letter-spacing: 0.02em; }
.delivery-strip { display:flex;justify-content:center;flex-wrap:wrap;gap:4px 24px;line-height:1.6; }
.delivery-strip span { margin:0;color:inherit;white-space:nowrap; }
.site-header { width: 100%; padding: 0 max(28px, calc((100vw - 1120px)/2)); height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 20px; position: sticky; top: 0; background: rgba(255,255,255,.72); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); z-index: 20; border-bottom: 1px solid rgba(0,0,0,.06); }
.site-header.wrap { width: 100%; }
.brand { display: flex; align-items: center; gap: 8px; }
.brand img { width: 28px; height: 28px; object-fit: contain; }
.brand>span { font-size: 14px; font-weight: 600; letter-spacing: 0.04em; }
.brand small { display: block; font-size: 7px; font-weight: 500; letter-spacing: 0.12em; margin-top: 2px; color: var(--muted); }
nav { display: flex; gap: 28px; font-size: 12px; color: #424245; font-weight: 400; }
nav a { padding: 12px 0; opacity: .88; transition: opacity .2s; }
nav a:hover, nav a.active { opacity: 1; color: #000; }
.cart-button { border: 0; background: transparent; padding: 8px 0 8px 8px; color: var(--ink); font-size: 12px; font-weight: 400; white-space: nowrap; }
.cart-button span { display: inline-grid; place-items: center; min-width: 18px; height: 18px; font-size: 10px; font-weight: 600; margin-left: 6px; background: var(--ink); color: #fff; border-radius: var(--radius-pill); padding: 0 5px; }
.hero { position: relative; min-height: 720px; height: calc(100svh - 92px); max-height: 980px; background: #111 url('assets/videos/cover-v2/poster.jpg') center / cover no-repeat; color: #f5f5f7; isolation: isolate; display: flex; justify-content: center; text-align: center; }
.hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.45) 0%, transparent 42%, rgba(0,0,0,.55) 100%); z-index: -1; }
.hero:has(.hero-video:not([hidden]))::before { background: linear-gradient(180deg, rgba(0,0,0,.52), rgba(0,0,0,.48) 60%, rgba(0,0,0,.62)); }
.hero-copy { padding: clamp(64px, 10vh, 120px) 24px 160px; max-width: 920px; }
.eyebrow { font-size: 12px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.hero .eyebrow { color: rgba(245,245,247,.72); font-size: 12px; letter-spacing: 0.18em; }
h1 { font-size: clamp(48px, 7vw, 80px); line-height: 1.05; font-weight: 600; letter-spacing: -0.045em; margin-top: 16px; }
h1 span { color: rgba(245,245,247,.55); font-weight: 600; }
.hero p { font-size: 19px; line-height: 1.47; font-weight: 400; color: rgba(245,245,247,.78); margin-top: 18px; letter-spacing: 0.01em; max-width: 34em; margin-inline: auto; }
.hero-actions { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.primary-link,.secondary-link { display: inline-flex; justify-content: center; align-items: center; gap: 8px; min-width: 168px; min-height: 44px; padding: 12px 28px; font-size: 14px; font-weight: 400; border-radius: var(--radius-pill); transition: background .2s, color .2s, opacity .2s; }
.primary-link { background: var(--accent); color: #fff; }
.primary-link:hover { background: #0077ed; }
.secondary-link { border: 0; background: rgba(255,255,255,.14); color: #fff; backdrop-filter: blur(12px); }
.secondary-link:hover { background: rgba(255,255,255,.22); }
.secondary-link span { font-size: 20px; line-height: 12px; font-weight: 300; }
.hero-bottom { position: absolute; bottom: 28px; left: 40px; right: 40px; display: flex; justify-content: space-between; align-items: center; font-size: 11px; font-weight: 400; letter-spacing: 0.04em; color: rgba(245,245,247,.55); }
.hero-bottom a { position: absolute; left: 50%; transform: translateX(-50%); color: #fff; white-space: nowrap; font-size: 12px; }
.hero-bottom a span { margin-left: 10px; }
.promise { display: grid; grid-template-columns: repeat(3,1fr); gap: 40px; padding: 48px 0; border-bottom: 1px solid var(--line); }
.promise>div { display: flex; justify-content: center; align-items: flex-start; gap: 14px; text-align: left; }
.promise b { font-size: 12px; font-weight: 600; color: var(--muted); width: auto; height: auto; border: 0; border-radius: 0; display: block; padding-top: 2px; letter-spacing: 0.04em; }
.promise strong { display: block; font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.promise small { display: block; font-size: 13px; line-height: 1.47; font-weight: 400; color: var(--muted); margin-top: 6px; }
.market { padding-top: 100px; padding-bottom: 100px; }
.section-top { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; }
h2 { font-size: clamp(32px, 4vw, 48px); line-height: 1.1; font-weight: 600; letter-spacing: -0.03em; margin-top: 12px; }
.section-top h2 span { color: var(--muted); font-weight: 600; }
.section-top p { color: var(--muted); font-size: 17px; font-weight: 400; margin-top: 14px; line-height: 1.47; max-width: 28em; }
.search { display: flex; align-items: center; gap: 8px; border: 1px solid transparent; border-radius: var(--radius-pill); padding: 10px 16px; background: var(--surface); min-width: 220px; }
.search>span { font-size: 16px; line-height: 1; color: var(--muted); }
.search input { width: 160px; border: 0; outline: 0; background: transparent; font-size: 14px; color: var(--ink); }
.search:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; background: #fff; border-color: transparent; }
.filter-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 40px; margin-bottom: 28px; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filters button { border: 0; background: transparent; color: var(--muted); font-size: 13px; font-weight: 400; border-radius: var(--radius-pill); padding: 8px 18px; transition: background .2s, color .2s; }
.filters button:hover { color: var(--ink); }
.filters button.selected { background: var(--ink); color: #fff; }
#result-count { color: var(--muted); font-size: 13px; font-weight: 400; }
.products { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 20px; }
.product { min-width: 0; background: var(--surface); border-radius: 28px; overflow: hidden; padding: 24px 22px 28px; display: flex; flex-direction: column; transition: transform .35s cubic-bezier(.25,.1,.25,1), box-shadow .35s; border: 0; }
.product:hover { transform: scale(1.01); box-shadow: 0 20px 40px rgba(0,0,0,.06); }
.product-category { height: 16px; line-height: 16px; margin-bottom: 14px; font-size: 11px; font-weight: 400; color: var(--muted); letter-spacing: 0.02em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.product-art { width: 100%; height: auto; aspect-ratio: 1 / 1; display: block; position: relative; overflow: hidden; flex-shrink: 0; border-radius: 18px; background: #fff; }
.product-art svg { position: absolute; inset: 0; width: 100%; height: 100%; filter: saturate(.85); }
.product-tag { position: absolute; left: 0; top: 20px; font-size: 9px; color: var(--muted); letter-spacing: .5px; }
.product-body { padding-top: 20px; display: grid; grid-template-rows: 48px 36px 40px 18px; row-gap: 8px; }
.product h3 { font-size: 16px; font-weight: 600; line-height: 1.3; height: 48px; letter-spacing: -0.015em; overflow: hidden; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.product-spec { margin-top: 0; font-size: 12px; line-height: 1.4; min-height: 0; color: var(--muted); font-weight: 400; }
.product-body>.product-spec { height: 36px; overflow: hidden; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.product-bottom { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 0; min-width: 0; }
.price { font-size: 19px; font-weight: 600; letter-spacing: -0.02em; white-space: nowrap; }
.price small { font-size: 12px; color: var(--muted); font-weight: 400; letter-spacing: 0; margin-left: 4px; }
.add { width: 36px; height: 36px; border: 0; border-radius: var(--radius-pill); color: #fff; background: var(--accent); font-size: 22px; font-weight: 300; line-height: 1; flex-shrink: 0; transition: background .2s; }
.add:hover { background: #0077ed; }
.catalog-note { font-size: 12px; color: var(--muted); line-height: 1.6; margin-top: 32px; font-weight: 400; }
.empty-results { grid-column: 1/-1; text-align: center; padding: 100px 20px; color: var(--muted); font-size: 17px; font-weight: 400; }
.how { background: var(--surface); border-radius: 32px; padding: 64px; display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px; margin-top: 0; }
.how h2 { font-size: 36px; line-height: 1.15; letter-spacing: -0.03em; }
.how ol { display: flex; gap: 36px; padding: 0; margin: 20px 0 0; list-style: none; }
.how li { flex: 1; min-width: 0; }
.how li>span { font-size: 40px; font-weight: 600; color: #d2d2d7; display: block; margin-bottom: 20px; letter-spacing: -0.04em; }
.how h3 { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.how p { font-size: 14px; color: var(--muted); line-height: 1.5; margin-top: 10px; font-weight: 400; }
.about { margin-top: 120px; padding: 120px 24px; text-align: center; background: #000; color: #f5f5f7; }
.about .eyebrow { color: #86868b; }
.about h2 { font-size: clamp(40px, 5.5vw, 72px); margin-top: 20px; letter-spacing: -0.04em; line-height: 1.05; }
.about h2 span { color: #86868b; }
.about p { font-size: 17px; color: #a1a1a6; line-height: 1.47; margin-top: 24px; font-weight: 400; max-width: 32em; margin-inline: auto; }
.about-link { display: inline-flex; gap: 10px; align-items: center; margin-top: 28px; font-size: 17px; color: var(--accent); font-weight: 400; }
.about-link:hover { text-decoration: underline; }
.about-link span { font-size: 22px; font-weight: 300; }
footer { padding: 40px 0 48px; display: flex; justify-content: space-between; gap: 24px; color: var(--muted); font-size: 12px; line-height: 1.5; font-weight: 400; border-top: 1px solid var(--line); margin-top: 0; }
footer small { display: block; font-size: 11px; margin-top: 4px; color: #a1a1a6; }
dialog { width: min(520px, calc(100% - 32px)); max-height: 90dvh; border: 0; border-radius: 28px; background: #fff; color: var(--ink); padding: 36px; box-shadow: 0 40px 80px rgba(0,0,0,.18); }
dialog::backdrop { background: rgba(0,0,0,.4); backdrop-filter: blur(16px); }
body:has(dialog[open]) { overflow: hidden; }
.dialog-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 28px; gap: 16px; }
.dialog-top h2 { font-size: 28px; margin-top: 8px; letter-spacing: -0.03em; }
.close { border: 0; border-radius: var(--radius-pill); background: var(--surface); color: var(--muted); font-size: 22px; line-height: 1; width: 36px; height: 36px; }
.primary { background: var(--accent); color: #fff; border: 0; border-radius: var(--radius-pill); padding: 14px 24px; font-size: 14px; font-weight: 400; transition: background .2s; }
.primary:hover { background: #0077ed; }
.full { display: flex; width: 100%; justify-content: center; margin-top: 24px; }
.dialog-note,.form-note { color: var(--muted); font-size: 12px; line-height: 1.5; margin-top: 14px; font-weight: 400; }
.form-note { padding: 14px 16px; border-radius: 16px; background: var(--surface); margin: 0 0 20px; }
.cart-line { display: flex; justify-content: space-between; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.cart-line h3 { font-size: 14px; line-height: 1.4; font-weight: 600; }
.cart-line p { color: var(--muted); font-size: 12px; line-height: 1.5; margin-top: 4px; }
.cart-line>strong { white-space: nowrap; font-size: 14px; font-weight: 600; }
.quantity { display: flex; align-items: center; gap: 12px; margin-top: 12px; }
.quantity button { background: var(--surface); color: var(--ink); border: 0; border-radius: var(--radius-pill); width: 32px; height: 32px; }
.quantity span { font-size: 13px; }
.quantity .remove { width: auto; color: var(--muted); background: transparent; text-decoration: underline; font-size: 12px; border-radius: 0; }
.summary-row { display: flex; justify-content: space-between; gap: 16px; font-size: 13px; line-height: 2.4; font-weight: 400; }
.summary-total { border-top: 1px solid var(--line); padding-top: 12px; margin-top: 10px; font-size: 17px; }
.shipping-hint { padding: 14px 16px; background: var(--surface); color: #515154; border-radius: 16px; font-size: 12px; line-height: 1.5; margin: 20px 0 12px; font-weight: 400; }
.empty-cart { text-align: center; padding: 48px 0; font-size: 15px; color: var(--muted); font-weight: 400; }
form label { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; font-size: 13px; font-weight: 400; color: var(--muted); }
form input,form textarea { width: 100%; min-width: 0; padding: 14px 16px; border: 1px solid var(--line); background: #fff; border-radius: 14px; color: var(--ink); font-size: 15px; }
form input:focus, form textarea:focus { border-color: var(--accent); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.checkout-summary { margin-top: 24px; }
.consent { flex-direction: row; align-items: flex-start; line-height: 1.5; color: var(--ink); }
.consent input { width: 16px; flex-shrink: 0; margin: 3px 8px 0 0; accent-color: var(--accent); }
#success-dialog { text-align: center; padding: 48px 32px; }
.success-close { position: absolute; right: 16px; top: 16px; }
.success-icon { border-radius: var(--radius-pill); background: var(--surface); width: 64px; height: 64px; display: grid; place-items: center; margin: 8px auto 24px; font-size: 24px; color: var(--accent); }
#success-dialog h2 { font-size: 28px; letter-spacing: -0.03em; }
#success-dialog p { font-size: 14px; color: var(--muted); line-height: 1.5; margin-top: 16px; font-weight: 400; }
#success-summary { font-size: 15px; margin-top: 20px; font-weight: 600; }
.toast { position: fixed; bottom: 28px; left: 50%; transform: translate(-50%, 12px); opacity: 0; pointer-events: none; z-index: 40; background: rgba(29,29,31,.92); backdrop-filter: blur(20px); color: #fff; font-size: 13px; line-height: 1.4; padding: 12px 22px; border-radius: var(--radius-pill); max-width: 90vw; width: max-content; text-align: center; transition: .25s; font-weight: 400; }
.toast.visible { opacity: 1; transform: translate(-50%, 0); }
@media(min-width:1600px) { .hero { background-position: center 60%; } }
@media(max-width:1100px) {
  .wrap { width: calc(100% - 48px); }
  .products { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .how { padding: 40px; grid-template-columns: 1fr; gap: 28px; }
  .how h2 br { display: none; }
  .how ol { margin: 0; }
  .section-top h2 { font-size: 36px; }
}
@media(max-width:650px) {
  html { scroll-padding-top: 56px; }
  .wrap { width: calc(100% - 32px); }
  .preview-note { font-size: 10px; padding: 7px 12px; }
  .delivery-strip { padding: 10px 12px; font-size: 11px; }
  .delivery-strip span { margin: 0; }
  .site-header { height: 48px; padding: 0 16px; gap: 10px; }
  .brand img { width: 24px; height: 24px; }
  .brand>span { font-size: 13px; }
  .brand small { font-size: 6px; letter-spacing: 0.1em; }
  nav { display: none; }
  .cart-button { font-size: 12px; }
  .hero { min-height: 620px; height: calc(100svh - 100px); max-height: 860px; background-position: 61% bottom; }
  .hero::before { background: linear-gradient(180deg, rgba(0,0,0,.5) 0%, rgba(0,0,0,.15) 40%, transparent 58%, rgba(0,0,0,.5) 100%); }
  .hero-copy { padding: 56px 18px 130px; width: 100%; }
  .hero .eyebrow { font-size: 10px; letter-spacing: 0.14em; }
  h1 { font-size: 44px; line-height: 1.08; letter-spacing: -0.04em; margin-top: 14px; }
  .hero p { font-size: 15px; margin-top: 14px; }
  .hero-actions { gap: 10px; margin-top: 24px; }
  .primary-link,.secondary-link { min-width: 0; padding: 11px 20px; min-height: 40px; font-size: 13px; }
  .hero-bottom { bottom: 20px; left: 16px; right: 16px; font-size: 10px; }
  .hero-bottom a { bottom: 32px; font-size: 11px; }
  .promise { gap: 12px; padding: 32px 0; }
  .promise>div { flex-direction: column; text-align: center; gap: 6px; align-items: center; }
  .promise b { font-size: 11px; }
  .promise strong { font-size: 13px; }
  .promise small { font-size: 11px; line-height: 1.4; max-width: 110px; margin-inline: auto; }
  .market { padding-top: 56px; padding-bottom: 64px; }
  .section-top { display: block; }
  .section-top .eyebrow { font-size: 11px; }
  .section-top h2 { font-size: 32px; }
  .section-top h2 span { display: block; }
  .section-top p { font-size: 14px; margin-top: 10px; }
  .search { margin-top: 20px; width: 100%; }
  .search input { width: 100%; }
  .filter-row { margin-top: 24px; margin-bottom: 20px; gap: 8px; }
  .filters button { padding: 8px 14px; font-size: 12px; }
  #result-count { font-size: 11px; }
  .products { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
  .product { border-radius: 22px; padding: 14px 12px 18px; }
  .product:hover { transform: none; }
  .product-tag { top: 14px; font-size: 8px; }
  .product-art { border-radius: 14px; }
  .product-body { padding-top: 14px; grid-template-rows: 40px 32px 34px 16px; row-gap: 6px; }
  .product h3 { font-size: 13px; line-height: 1.3; height: 40px; }
  .product-body>.product-spec { height: 32px; }
  .product-spec { font-size: 11px; }
  .product-bottom { margin-top: 0; gap: 4px; }
  .price { font-size: 15px; }
  .price small { font-size: 10px; margin-left: 2px; }
  .add { width: 30px; height: 30px; font-size: 18px; }
  .catalog-note { font-size: 11px; }
  .how { padding: 28px 22px; border-radius: 24px; gap: 24px; }
  .how h2 { font-size: 26px; }
  .how h2 br { display: initial; }
  .how ol { display: block; }
  .how li { display: grid; grid-template-columns: 28px 1fr; gap: 12px; margin-top: 24px; }
  .how li:first-child { margin-top: 0; }
  .how li>span { font-size: 24px; margin: 0; }
  .how h3 { font-size: 15px; }
  .how p { font-size: 13px; margin-top: 6px; }
  .about { margin-top: 64px; padding: 72px 20px; }
  .about h2 { font-size: 40px; }
  .about p { font-size: 14px; }
  .about-link { font-size: 15px; }
  footer { flex-wrap: wrap; gap: 12px; padding: 28px 0; font-size: 11px; }
  footer>span:first-child { width: 100%; }
  dialog { border-radius: 22px; padding: 24px 18px; max-height: 94dvh; }
  .dialog-top h2 { font-size: 24px; }
  .form-grid { gap: 10px; }
  form input,form textarea { font-size: 16px; }
  .quantity { gap: 8px; }
}
@media(prefers-reduced-motion:reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { transition: none!important; }
}
[hidden] { display: none!important; }
.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; }
.category-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; margin-top: 36px; }
.category-card { display: flex; align-items: center; gap: 12px; padding: 12px 14px; background: var(--surface); border: 1px solid transparent; border-radius: 18px; min-width: 0; color: var(--ink); font-size: 13px; font-weight: 400; text-align: left; transition: background .2s, border-color .2s; }
.category-card:hover { background: #ebebed; }
.category-card.selected { border-color: var(--ink); background: #e8e8ed; }
.category-card img,.category-letter { width: 40px; height: 40px; object-fit: cover; border-radius: 12px; flex-shrink: 0; }
.category-letter { display: grid; place-items: center; background: #e8e8ed; color: var(--muted); font-size: 16px; font-weight: 600; }
.product-picture { width: 100%; padding: 0; border: 0; background: #fff; color: inherit; }
.product-picture img { position: absolute; inset: 0; width: 100%; height: 100%; max-width: 100%; max-height: 100%; margin: 0; object-fit: contain; border-radius: 0; display: block; }
.spec-select { display: block; margin: 0; min-width: 0; height: 36px; }
.spec-select select { width: 100%; height: 36px; padding: 6px 24px 6px 10px; font-size: 12px; background: #fff; border: 1px solid var(--line); border-radius: 12px; color: var(--muted); white-space: nowrap; text-overflow: ellipsis; }
.pending-price { font-size: 13px; color: var(--muted); font-weight: 400; }
.availability-note { font-size: 11px; color: var(--muted); margin: 0; line-height: 18px; min-height: 0; font-weight: 400; }
.load-more { display: block; margin: 40px auto 0; padding: 12px 32px; background: var(--surface); border: 0; border-radius: var(--radius-pill); font-size: 14px; font-weight: 400; color: var(--ink); transition: background .2s; }
.load-more:hover { background: #e8e8ed; }
.minimum-hint { color: #b32d0f; background: #fff5f2; border-radius: 14px; padding: 12px 14px; font-size: 13px; font-weight: 600; margin-top: 18px; }
.contact-dock { position: fixed; right: 24px; bottom: 24px; z-index: 25; }
.contact-dock button { padding: 12px 20px; border: 0; border-radius: var(--radius-pill); background: rgba(29,29,31,.92); backdrop-filter: blur(16px); color: #fff; font-size: 13px; font-weight: 400; box-shadow: 0 8px 28px rgba(0,0,0,.18); }
.contact-dock span { margin-left: 10px; }
.whatsapp-links { display: grid; gap: 10px; }
.whatsapp-links a { display: flex; flex-direction: column; gap: 6px; padding: 18px 20px; border-radius: 18px; background: var(--surface); font-size: 15px; font-weight: 600; }
.whatsapp-links a span { font-size: 13px; color: var(--muted); font-weight: 400; }
.wechat-contact { text-align: center; border-top: 1px solid var(--line); padding-top: 24px; margin-top: 24px; }
.wechat-contact h3 { font-size: 17px; font-weight: 600; }
.wechat-contact p { font-size: 13px; color: var(--muted); line-height: 1.5; margin-top: 10px; font-weight: 400; }
.wechat-contact img { display: block; width: min(240px,100%); height: auto; margin: 14px auto; border-radius: 12px; }
.wechat-contact a { display: inline-block; font-size: 13px; color: var(--accent); margin-top: 12px; font-weight: 400; }
.text-button { border: 0; background: transparent; color: var(--accent); font-size: 12px; text-decoration: none; font-weight: 400; }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; opacity:0;transition:opacity .25s linear;pointer-events:none; }
.hero-video.is-current { opacity:1; }
.video-toggle { position: absolute; right: 24px; bottom: 64px; background: rgba(0,0,0,.45); color: #fff; border: 0; border-radius: var(--radius-pill); padding: 8px 16px; font-size: 12px; font-weight: 400; backdrop-filter: blur(10px); }
.video-badge { position: absolute; bottom: 14px; left: 12px; background: rgba(0,0,0,.72); color: #fff; font-size: 11px; font-weight: 400; padding: 6px 12px; border-radius: var(--radius-pill); }
#product-media img,#product-media video { width: 100%; max-height: 65dvh; object-fit: contain; border-radius: 18px; display: block; margin-bottom: 16px; background: var(--surface); }
.product-description { font-size: 14px; line-height: 1.5; margin-top: 16px; white-space: pre-wrap; font-weight: 400; color: #515154; }
@media(max-width:1000px) { .category-grid { grid-template-columns: repeat(3, minmax(0,1fr)); } }
@media(max-width:650px) {
  .category-grid { grid-template-columns: repeat(3, minmax(0,1fr)); gap: 8px; margin-top: 24px; }
  .category-card { flex-direction: column; gap: 8px; padding: 12px 6px; text-align: center; font-size: 11px; border-radius: 16px; }
  .category-card img,.category-letter { width: 36px; height: 36px; }
  .contact-dock { right: 14px; bottom: 16px; }
  .contact-dock button { font-size: 12px; padding: 11px 16px; }
  .spec-select select { font-size: 11px; max-width: 100%; }
  .spec-select,.spec-select select { height: 32px; }
  .product-category { font-size: 10px; height: 14px; line-height: 14px; margin-bottom: 10px; }
  .availability-note { font-size: 10px; line-height: 16px; }
  .pending-price { font-size: 11px; }
}