/* ============================================================
   MedStockClearance (MSC) — design system
   深蓝大厂风 + 医疗白底卡片; 响应式; 无外部字体依赖
   ============================================================ */
:root {
  --navy: #0b2545;
  --navy-2: #0a2a55;
  --navy-3: #12335f;
  --brand: #0b66f0;
  --brand-dark: #084bb3;
  --ink: #0e2138;
  --sub: #5a6b82;
  --line: #e4eaf2;
  --bg: #ffffff;
  --bg-tint: #f4f7fb;
  --bg-navy: #0b2545;
  --accent: #ff7a1a;
  --green: #16a34a;
  --red: #e5484d;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(11, 37, 69, .06), 0 4px 14px rgba(11, 37, 69, .06);
  --shadow-md: 0 8px 30px rgba(11, 37, 69, .12);
  --shadow-lg: 0 24px 60px rgba(8, 28, 53, .22);
  --container: 1320px;
  /* 首页 hero 轮播图高度：放大后视觉体量略大于左侧字块，更大气 */
  --hv-h: min(600px, 46vw);
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .4em; color: var(--ink); }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--brand); color: #fff; padding: 8px 14px; z-index: 300; }
.skip-link:focus { left: 0; }

/* ---------- buttons / chips ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 600; border-radius: 999px; cursor: pointer;
  padding: 12px 26px; border: 1px solid transparent; transition: all .18s ease;
  text-decoration: none; white-space: nowrap; line-height: 1.2;
}
.btn--primary { background: var(--brand); color: #fff; box-shadow: 0 6px 18px rgba(11, 102, 240, .28); }
.btn--primary:hover { background: var(--brand-dark); color: #fff; transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn--ghost:hover { background: var(--navy); color: #fff; }
.btn--light { background: #fff; color: var(--brand-dark); }
.btn--light:hover { background: #eaf1ff; }
.btn--accent { background: var(--accent); color: #fff; box-shadow: 0 6px 18px rgba(255, 122, 26, .3); }
.btn--accent:hover { background: #e56600; color: #fff; }
.btn--lg { padding: 15px 34px; font-size: 17px; }
.btn--sm { padding: 8px 16px; font-size: 14px; }
.btn--block { width: 100%; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase; color: var(--brand);
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--accent); }

/* ---------- top utility bar ---------- */
.topbar { background: var(--navy); color: #c9d6e6; font-size: 13px; }
.topbar .container { display: flex; align-items: center; justify-content: space-between; min-height: 38px; gap: 16px; }
.topbar a { color: #dbe6f3; }
.topbar a:hover { color: #fff; }
.topbar__tag { display: flex; align-items: center; gap: 8px; }
.topbar__tag::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #31d07c; }
.topbar__links { display: flex; gap: 18px; align-items: center; }
.lang-switch { display: inline-flex; border: 1px solid rgba(255, 255, 255, .35); border-radius: 999px; overflow: hidden; }
.lang-switch a { padding: 2px 12px; color: #fff; font-weight: 600; }
.lang-switch a.on { background: #fff; color: var(--navy); }
.lang-switch a.off:hover { background: rgba(255, 255, 255, .14); }

/* ---------- main header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 120; background: #fff;
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s ease;
}
.site-head.scrolled { box-shadow: 0 6px 24px rgba(11, 37, 69, .1); }
.site-head .container { display: flex; align-items: center; gap: 26px; min-height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand-logo {
  width: 46px; height: 46px; border-radius: 12px; object-fit: cover;
  box-shadow: 0 4px 10px rgba(11, 37, 69, .18);
}
.brand-name { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name b { font-size: 22px; letter-spacing: .04em; color: var(--navy); }
.brand-name span { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--sub); }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav > li { list-style: none; position: relative; }
.nav-link {
  display: inline-flex; align-items: center; gap: 6px; padding: 26px 14px 24px;
  color: var(--ink); font-weight: 600; font-size: 15px; border: 0; background: none; cursor: pointer;
  font-family: inherit; border-bottom: 3px solid transparent;
}
.nav-link:hover, .nav-link[aria-expanded="true"], .nav-link.active { color: var(--brand); border-bottom-color: var(--brand); }
.nav-link .caret { transition: transform .18s; font-size: 10px; }
.nav-link[aria-expanded="true"] .caret { transform: rotate(180deg); }
.nav-actions { display: flex; align-items: center; gap: 12px; margin-left: 8px; }

/* mega menu */
.megamenu {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  background: #fff; border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow-lg); border-top: 3px solid var(--brand);
  padding: 18px; min-width: 760px;
  display: none;
}
.megamenu.open { display: block; animation: mmIn .16s ease; }
@keyframes mmIn { from { opacity: 0; transform: translate(-50%, -6px); } to { opacity: 1; transform: translate(-50%, 0); } }
.mm-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.mm-cat { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: var(--radius-sm); color: var(--ink); font-weight: 600; }
.mm-cat:hover { background: var(--bg-tint); color: var(--brand-dark); }
.mm-cat img { width: 52px; height: 52px; object-fit: contain; background: #fff; border-radius: 8px; border: 1px solid var(--line); padding: 4px; }
.mm-cat small { display: block; font-weight: 400; color: var(--sub); font-size: 12px; }
.mm-foot { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--line); margin-top: 10px; padding: 12px 6px 2px; }

/* burger + mobile */
.nav-burger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-burger span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px 0; border-radius: 2px; transition: .2s; }
.mobile-menu { display: none; }
body.menu-open .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.menu-open .nav-burger span:nth-child(2) { opacity: 0; }
body.menu-open .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background:
    radial-gradient(900px 480px at 88% -10%, rgba(16, 111, 255, .5), transparent 60%),
    radial-gradient(700px 420px at -5% 110%, rgba(16, 197, 177, .25), transparent 55%),
    linear-gradient(118deg, #071a33 0%, #0b2545 52%, #0e3064 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.05'/%3E%3C/svg%3E");
}
.hero .container { position: relative; z-index: 1; }
.hero-inner { display: grid; grid-template-columns: .92fr 1.08fr; gap: 40px; align-items: center; padding: 84px 0 92px; }
.hero-copy { padding-left: 46px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px; color: #9fc1ff; font-weight: 700;
  font-size: 13px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 18px;
}
.hero-eyebrow::before { content: ""; width: 30px; height: 2px; background: var(--accent); }
.hero-h1 { color: #fff; font-size: clamp(34px, 4.6vw, 58px); font-weight: 800; letter-spacing: -.01em; margin-bottom: 18px; }
.hero-h1 em { font-style: normal; color: var(--accent); }
.hero-sub { color: #c6d6ea; font-size: 17px; max-width: 560px; margin-bottom: 28px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 30px; }
.hero-chips { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-chip {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600;
  background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .18);
  color: #e8f0fb; padding: 7px 14px; border-radius: 999px; backdrop-filter: blur(4px);
}
.hero-chip::before { content: "✓"; color: #37d67a; font-weight: 800; }
.hero-visual { position: relative; }
.hv-frame {
  position: relative; background: #fff; border-radius: 22px;
  box-shadow: var(--shadow-lg); transform: rotate(1.2deg);
  border: 6px solid rgba(255, 255, 255, .9);
}
.hv-frame {
  position: relative; background: #fff; border-radius: 22px;
  box-shadow: var(--shadow-lg);
  border: 6px solid rgba(255, 255, 255, .9);
  transform: perspective(1100px) rotate(1.2deg) rotateY(var(--tx, 0deg)) rotateX(var(--ty, 0deg));
  transition: transform .3s ease, box-shadow .3s ease;
  transform-style: preserve-3d;
}
.hv-clip { overflow: hidden; border-radius: 15px; height: var(--hv-h); position: relative; background: #fff; }
.hv-stage { position: relative; height: 100%; }
.hv-item { position: absolute; inset: 0; margin: 0; opacity: 0; z-index: 0; pointer-events: none; transition: opacity .6s ease; }
.hv-item.is-active { opacity: 1; z-index: 1; pointer-events: auto; }
.hv-img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.02); }
.hv-item.is-active .hv-img { transform: scale(1.18); transition: transform 4.8s linear; }
.hv-frame > img { width: 100%; height: var(--hv-h); object-fit: cover; border-radius: 15px; }
.hv-badge { z-index: 5; }
.hv-note { z-index: 5; }
.hv-count {
  position: absolute; top: 12px; left: 14px; z-index: 4; display: flex; align-items: baseline; gap: 5px;
  font-size: 17px; font-weight: 800; color: #fff; letter-spacing: .06em;
  text-shadow: 0 1px 8px rgba(11, 37, 69, .55);
}
.hv-count span { font-size: 12px; font-weight: 600; opacity: .8; }
.hv-count.bump span { animation: hvPop .4s ease; }
@keyframes hvPop { from { transform: translateY(10px); opacity: 0; } to { transform: none; opacity: .8; } }
.hv-progress {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 4;
  display: flex; gap: 4px; padding: 0 14px 12px;
}
.hv-seg {
  flex: 1; height: 3px; padding: 0; border: 0; cursor: pointer; overflow: hidden;
  background: rgba(255, 255, 255, .32); border-radius: 2px;
}
.hv-seg-fill { display: block; height: 100%; width: 0; background: var(--accent); border-radius: 2px; }
.hv-arrow {
  position: absolute; top: 50%; margin-top: -20px; z-index: 4;
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .6);
  background: rgba(11, 37, 69, .32); color: #fff; font-size: 22px; line-height: 1;
  cursor: pointer; display: grid; place-items: center; transition: all .2s ease;
  backdrop-filter: blur(3px); opacity: 0;
}
.hero-carousel:hover .hv-arrow, .hv-arrow:focus { opacity: 1; }
@media (hover: none) {
  .hero-carousel .hv-arrow { opacity: .9; }
}
.hv-arrow:hover { background: var(--brand); transform: scale(1.12); }
.hv-arrow.hv-arrow--prev { left: 12px; }
.hv-arrow.hv-arrow--next { right: 12px; }
.hv-badge {
  position: absolute; right: -8px; top: 26px; background: var(--accent); color: #fff;
  padding: 10px 18px; border-radius: 12px; font-weight: 800; box-shadow: var(--shadow-md);
  transform: rotate(4deg); text-align: center; font-size: 14px; line-height: 1.3;
}
.hv-badge small { display: block; font-weight: 600; font-size: 11px; opacity: .9; }
.hv-note {
  position: absolute; left: -14px; bottom: 30px; background: rgba(255, 255, 255, .96); color: var(--navy);
  font-size: 13px; font-weight: 700; padding: 10px 16px; border-radius: 12px; box-shadow: var(--shadow-md);
}
.hv-note b { color: var(--accent); }

/* ---------- stats ---------- */
.statbar { border-bottom: 1px solid var(--line); background: var(--bg-tint); }
.statbar .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; padding: 34px 24px; }
.stat { text-align: center; }
.stat b { display: block; font-size: clamp(28px, 3.4vw, 42px); color: var(--brand); font-weight: 800; line-height: 1.1; }
.stat b small { font-size: 18px; }
.stat span { color: var(--sub); font-size: 14px; font-weight: 600; }

/* ---------- generic sections ---------- */
.section { padding: 84px 0; }
.section--tint { background: var(--bg-tint); }
.section--navy { background: var(--bg-navy); color: #fff; }
.section-head { max-width: 760px; margin: 0 auto 46px; text-align: center; }
.section-head .eyebrow { justify-content: center; }
.section-head .eyebrow::before { display: none; }
.section-head h2 { font-size: clamp(26px, 3.2vw, 40px); font-weight: 800; margin-top: 10px; }
.section-head .lead { color: var(--sub); font-size: 16px; }
.section--navy .section-head .lead { color: #b9c8dd; }
.hl { color: var(--accent); }

/* ---------- category cards ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cat-card {
  display: flex; gap: 16px; align-items: center; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px 16px; transition: all .2s ease;
}
.cat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: transparent; }
.cat-card img { width: 74px; height: 74px; object-fit: contain; flex: none; }
.cat-card b { color: var(--ink); font-size: 17px; display: block; }
.cat-card span { color: var(--sub); font-size: 13px; }
.cat-card .arrow { margin-left: auto; color: var(--brand); font-size: 18px; flex: none; }
.cat-card .count { display: inline-block; background: #e8f1ff; color: var(--brand-dark); border-radius: 999px; padding: 1px 10px; font-size: 12px; font-weight: 700; margin-top: 4px; }

/* ---------- feature rows (GE style) ---------- */
.feature { padding: 96px 0; border-top: 1px solid var(--line); }
.feature--tint { background: var(--bg-tint); }
.feature-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.feature-inner.flip .f-copy { order: 2; }
.feature-inner.flip .f-media { order: 1; }
.f-copy .eyebrow { margin-bottom: 14px; }
.f-copy h2 { font-size: clamp(26px, 3vw, 38px); font-weight: 800; margin-bottom: 14px; }
.f-copy p.lead { color: var(--sub); font-size: 16.5px; }
.f-points { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 12px; }
.f-points li { display: flex; gap: 12px; font-weight: 600; color: var(--ink); }
.f-points li::before { content: "✓"; flex: none; width: 24px; height: 24px; border-radius: 50%; background: #e3f3e9; color: var(--green); font-weight: 800; display: grid; place-items: center; font-size: 13px; }
.f-media { position: relative; }
.f-media img.media-img { border-radius: var(--radius); box-shadow: var(--shadow-md); width: 100%; object-fit: cover; }
.f-media .caption {
  margin-top: 10px; font-size: 13px; color: var(--sub); text-align: center;
}
.brands-frame { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow-sm); }
.brands-frame img { width: 100%; }

/* steps 01-04 */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 30px; }
.step {
  background: var(--bg-tint); border-radius: var(--radius); padding: 24px 20px; position: relative;
  border: 1px solid var(--line); counter-increment: steps;
}
.steps { counter-reset: steps; }
.step-no { font-size: 40px; font-weight: 800; color: var(--brand); opacity: .85; line-height: 1; font-variant-numeric: tabular-nums; }
.step h3 { font-size: 16px; margin: 12px 0 6px; }
.step p { font-size: 13.5px; color: var(--sub); margin: 0; }
.price-result { margin-top: 34px; background: linear-gradient(90deg, var(--navy), var(--navy-3)); border-radius: var(--radius); padding: 26px 30px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; color: #fff; }
.price-result b { font-size: 26px; color: var(--accent); }
.price-result span { color: #c9d8ee; }

/* ---------- hot strip ---------- */
.hot-head { display: flex; justify-content: space-between; align-items: end; margin-bottom: 30px; gap: 20px; }
.hot-head h2 { font-size: clamp(26px, 3vw, 36px); margin: 0; }
.hs-wrap { position: relative; }
.hs-track { display: grid; grid-auto-flow: column; grid-auto-columns: 252px; gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 4px 4px 14px; scrollbar-width: none; }
.hs-track::-webkit-scrollbar { display: none; }
.hs-nav { display: flex; gap: 8px; }
.hs-btn { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); background: #fff; cursor: pointer; font-size: 16px; color: var(--ink); transition: .15s; }
.hs-btn:hover { background: var(--brand); border-color: var(--brand); color: #fff; }

/* ---------- advantages ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.adv-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 18px; position: relative; transition: .2s;
}
.adv-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: transparent; }
.adv-num { position: absolute; top: 14px; right: 16px; font-size: 30px; font-weight: 800; color: #e7eef7; }
.adv-ico { width: 46px; height: 46px; border-radius: 12px; background: #e8f1ff; display: grid; place-items: center; margin-bottom: 14px; color: var(--brand); font-size: 22px; }
.adv-card h3 { font-size: 15.5px; margin-bottom: 6px; }
.adv-card p { font-size: 13px; color: var(--sub); margin: 0; }
.section--navy .adv-card p { color: #b9c8dd; }
.section--navy .adv-card h3 { color: #fff; }

/* ---------- CTA band ---------- */
.ctaband { background: linear-gradient(115deg, var(--navy) 0%, #0d3f86 70%, #0b66f0 130%); color: #fff; position: relative; overflow: hidden; }
.ctaband::before { content: ""; position: absolute; right: -60px; top: -90px; width: 340px; height: 340px; border-radius: 50%; background: radial-gradient(circle, rgba(255, 122, 26, .35), transparent 65%); }
.ctaband .container { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 60px 24px; position: relative; flex-wrap: wrap; }
.ctaband h2 { color: #fff; font-size: clamp(24px, 3vw, 34px); margin: 0 0 8px; }
.ctaband p { color: #c6d8f0; margin: 0 0 14px; max-width: 640px; }
.ctaband .mail-line { color: #9fc1ff; font-size: 14px; }
.ctaband .mail-line a { color: #fff; font-weight: 700; text-decoration: underline; }

/* ---------- footer ---------- */
.site-foot { background: #071a33; color: #aebfda; }
.foot-top { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 36px; padding: 58px 0 36px; }
.f-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.f-brand img { width: 42px; height: 42px; border-radius: 10px; }
.f-brand b { color: #fff; font-size: 18px; }
.f-brand span { display: block; font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: #7d93b4; }
.foot-desc { font-size: 14px; margin-bottom: 18px; max-width: 340px; }
.foot-contact li { list-style: none; margin-bottom: 8px; font-size: 14px; }
.foot-contact b { color: #fff; }
.foot-col h4 { color: #fff; font-size: 14px; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 14px; }
.foot-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot-col a { color: #aebfda; font-size: 14px; }
.foot-col a:hover { color: #fff; }
.foot-legal { border-top: 1px solid rgba(255, 255, 255, .1); padding: 18px 0; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12.5px; color: #6d83a3; }
.foot-legal a { color: #8fa6c7; }

/* ---------- page hero (inner) ---------- */
.page-hero { background: linear-gradient(115deg, #0a2445, #0e3a7a); color: #fff; padding: 52px 0; }
.page-hero h1 { color: #fff; font-size: clamp(28px, 3.4vw, 42px); margin: 6px 0 10px; }
.page-hero .lead { color: #c3d4ec; max-width: 720px; margin: 0; font-size: 16.5px; }
.crumbs { display: flex; gap: 8px; list-style: none; margin: 0; padding: 0; font-size: 13.5px; color: #9cb4d6; flex-wrap: wrap; }
.crumbs a { color: #9cb4d6; }
.crumbs a:hover { color: #fff; }
.crumbs li + li::before { content: "/"; margin-right: 8px; color: #55719b; }

/* ---------- product listing ---------- */
.listing { padding: 44px 0 80px; }
.listing-grid { display: grid; grid-template-columns: 250px 1fr; gap: 34px; align-items: start; }
.rail { position: sticky; top: 96px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; max-height: calc(100vh - 120px); display: flex; flex-direction: column; }
.rail h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--sub); padding: 16px 18px 8px; margin: 0; flex: none; }
.rail ul { list-style: none; margin: 0; padding: 0 8px 10px; display: grid; gap: 2px; }
/* 品类多时侧栏内部滚动（含二级展开后），CTA 固定底部 */
.rail-cats { overflow-y: auto; flex: 1 1 auto; }
.rail-link { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 9px 12px; border-radius: 8px; color: var(--ink); font-weight: 600; font-size: 14.5px; }
.rail-link small { color: #9aa8bd; font-weight: 500; font-size: 12px; }
.rail-link:hover { background: var(--bg-tint); color: var(--brand-dark); }
.rail-link.active { background: #e8f1ff; color: var(--brand-dark); }
/* 侧栏二级分类：<details> 折叠，无需 JS */
.rail-cat { border-radius: 8px; }
.rail-cat__sum {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 9px 12px; border-radius: 8px; cursor: pointer; list-style: none;
  color: var(--ink); font-weight: 600; font-size: 14.5px;
}
.rail-cat__sum::-webkit-details-marker { display: none; }
.rail-cat__sum::after {
  content: "▾"; font-size: 10px; color: var(--sub); transition: transform .16s ease;
}
.rail-cat[open] > .rail-cat__sum::after { transform: rotate(180deg); }
.rail-cat__sum:hover { background: var(--bg-tint); color: var(--brand-dark); }
.rail-cat[open] > .rail-cat__sum { color: var(--brand-dark); }
.rail-cat__name { flex: 1; min-width: 0; }
.rail-cat__sum small { color: #9aa8bd; font-weight: 500; font-size: 12px; }
.rail-cat__viewall { display: block; padding: 6px 12px 2px; font-size: 12.5px; color: var(--brand); font-weight: 600; }
.rail-facets { padding: 0 0 8px; }
.rail-facet__label {
  margin: 8px 0 4px; padding: 0 12px; font-size: 11px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; color: var(--sub);
}
.rail-subs { padding: 0 0 0 4px !important; }
.rail-sub {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: 6px; font-size: 13.5px; font-weight: 500;
  color: var(--ink); border-left: 2px solid transparent;
}
.rail-sub small { color: #9aa8bd; font-weight: 500; font-size: 11.5px; }
.rail-sub:hover { background: var(--bg-tint); color: var(--brand-dark); }
.rail-sub.active {
  background: #e8f1ff; color: var(--brand-dark); font-weight: 700;
  border-left-color: var(--brand);
}
.rail-sub.active small { color: var(--brand); }
.rail-cta { border-top: 1px solid var(--line); padding: 14px; flex: none; }
.pane-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.pane-head h2 { font-size: 24px; margin: 0; }
.pane-head .count { color: var(--sub); font-size: 14px; }
.searchbox { position: relative; }
.searchbox input {
  border: 1px solid var(--line); border-radius: 999px; padding: 10px 40px 10px 42px; font: inherit;
  font-size: 14px; width: 250px; background: #fff; outline: none;
}
.searchbox input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(11, 102, 240, .15); }
.searchbox::before { content: "⌕"; position: absolute; left: 16px; top: 50%; transform: translateY(-50%); font-size: 18px; color: var(--sub); }
.pgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(268px, 1fr)); gap: 20px; }
.pcard {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column; transition: .2s ease; position: relative;
}
.pcard:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: transparent; }
.pcard-media { background: #fff; aspect-ratio: 4 / 3; display: grid; place-items: center; padding: 16px; position: relative; border-bottom: 1px solid #f0f4f9; }
.pcard-media img { max-height: 100%; max-width: 100%; object-fit: contain; transition: transform .25s ease; }
.pcard:hover .pcard-media img { transform: scale(1.05); }
.pcard-hot { position: absolute; top: 12px; left: 12px; background: var(--accent); color: #fff; font-size: 11px; font-weight: 800; padding: 3px 10px; border-radius: 999px; letter-spacing: .04em; }
.pcard-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.pcard-cat { font-size: 11px; font-weight: 700; color: var(--brand); text-transform: uppercase; letter-spacing: .08em; }
.pcard-body h3 { font-size: 15.5px; margin: 0; }
.pcard-body h3 a { color: var(--ink); }
.pcard-body h3 a:hover { color: var(--brand); }
.pcard-tag { font-size: 13px; color: var(--sub); line-height: 1.5; }
.pcard-foot { margin-top: auto; padding-top: 10px; display: flex; gap: 8px; align-items: center; border-top: 1px dashed var(--line); }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px rgba(22, 163, 74, .18); flex: none; }
.pcard-status { font-size: 12px; color: var(--green); font-weight: 700; flex: 1; }
.pcard .btn { padding: 7px 14px; font-size: 13px; }
.alert-empty { padding: 40px; text-align: center; color: var(--sub); background: #fff; border: 1px dashed var(--line); border-radius: var(--radius); }

/* ---------- product detail ---------- */
.detail { padding: 40px 0 20px; }
.dtop { display: grid; grid-template-columns: 1fr 1.1fr; gap: 44px; align-items: start; }
.d-gallery { background: var(--bg-tint); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; position: sticky; top: 100px; }
.d-gallery img { width: 100%; max-height: 460px; object-fit: contain; mix-blend-mode: multiply; }
.d-badge { display: inline-flex; gap: 6px; align-items: center; background: #e3f3e9; color: var(--green); font-weight: 700; font-size: 12.5px; padding: 5px 12px; border-radius: 999px; margin-bottom: 12px; }
.d-badge::before { content: "●"; font-size: 8px; }
.d-cat { color: var(--brand); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: 12.5px; }
.d-summary h1 { font-size: clamp(24px, 2.8vw, 34px); margin: 6px 0 4px; }
.d-model { color: var(--sub); font-size: 14.5px; margin-bottom: 10px; }
.d-tag { font-size: 16px; color: var(--ink); background: #fff7ed; border: 1px solid #ffd9b3; color: #9a4a00; padding: 10px 16px; border-radius: var(--radius-sm); margin: 14px 0; font-weight: 600; }
.facts { width: 100%; border-collapse: collapse; margin: 8px 0 18px; }
.facts td { padding: 9px 12px; border-bottom: 1px solid #eef2f8; font-size: 14.5px; }
.facts td:first-child { color: var(--sub); width: 128px; font-weight: 600; }
.facts td:last-child { font-weight: 600; color: var(--ink); }
.d-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.d-price-note { font-size: 13.5px; color: var(--sub); margin-top: 12px; }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 20px; }
.why-item { background: var(--bg-tint); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px; font-size: 13.5px; font-weight: 600; display: flex; gap: 10px; align-items: flex-start; }
.why-item::before { content: "✓"; color: var(--green); font-weight: 800; flex: none; }

.dblock { padding: 56px 0 8px; }
.dblock h2 { font-size: 26px; }
.spec-card { background: var(--bg-tint); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.inq-panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); }
.inq-panel h3 { margin-top: 0; font-size: 19px; }
.side-inq { margin-top: 22px; }
.related { padding: 20px 0 70px; }
.related h2 { margin-bottom: 20px; }

/* ---------- forms ---------- */
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; font-weight: 700; color: var(--ink); }
.field input, .field select, .field textarea {
  font: inherit; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 11px 14px;
  background: #fff; color: var(--ink); outline: none; transition: .15s;
}
.field textarea { resize: vertical; min-height: 108px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(11, 102, 240, .14); }
.field .hint { font-size: 12px; color: var(--sub); font-weight: 400; }
.msg { padding: 14px 18px; border-radius: var(--radius-sm); font-weight: 600; font-size: 14.5px; margin-bottom: 18px; }
.msg--ok { background: #e3f3e9; color: #14653a; border: 1px solid #bfe6cd; }
.msg--err { background: #fdeaea; color: #a1272b; border: 1px solid #f5c2c4; }
.form-note { font-size: 12.5px; color: var(--sub); grid-column: 1 / -1; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------- contact page ---------- */
.contact-grid {
  display: grid; grid-template-columns: 1.25fr .75fr; gap: 36px; align-items: start;
  padding: 48px 24px 84px; width: 100%; max-width: calc(var(--container) + 48px); margin: 0 auto;
}
.contact-grid--flat { padding: 0; max-width: 100%; }
.info-card { background: var(--bg-tint); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.info-card h3 { margin-top: 0; }
.info-card ul { list-style: none; padding: 0; margin: 0 0 18px; display: grid; gap: 12px; }
.info-card li { display: flex; gap: 12px; align-items: center; font-weight: 600; }
.info-card .ico { width: 38px; height: 38px; border-radius: 10px; background: #e8f1ff; color: var(--brand); display: grid; place-items: center; flex: none; font-size: 18px; }
.info-extra { border-top: 1px solid var(--line); padding-top: 16px; font-size: 14px; color: var(--sub); }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 860px; margin: 0 auto; padding: 44px 0 84px; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 12px; overflow: hidden; background: #fff; }
.faq-item summary {
  cursor: pointer; list-style: none; padding: 18px 22px; font-weight: 700; font-size: 16px;
  display: flex; justify-content: space-between; gap: 16px; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 24px; color: var(--brand); font-weight: 400; transition: .2s; flex: none; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin: 0; padding: 0 22px 20px; color: var(--sub); }
.faq-cta { text-align: center; margin-top: 26px; }
.faq-cta p { color: var(--sub); }

/* ---------- about page ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; padding: 54px 0 30px; }
.about-grid img { border-radius: var(--radius); box-shadow: var(--shadow-md); }
.about-p { color: var(--sub); font-size: 16px; margin-bottom: 14px; }
.five { padding: 70px 0; }

/* ---------- 404 ---------- */
.err404 { text-align: center; padding: 120px 24px; }
.err404 .code { font-size: 120px; font-weight: 800; color: #e7eef7; line-height: 1; }
.err404 h1 { font-size: 30px; }

/* ---------- 询价清单 / 多产品询盘 ---------- */
/* 顶栏入口 + 角标 */
.nav-cart {
  display: inline-flex; align-items: center; gap: 8px; position: relative;
  padding: 9px 14px; border-radius: 10px; font-weight: 700; font-size: 14px;
  color: var(--navy); border: 1px solid var(--line); background: #fff;
  text-decoration: none; white-space: nowrap;
}
.nav-cart:hover { border-color: var(--brand); color: var(--brand); }
.nav-cart__badge {
  display: none; min-width: 20px; height: 20px; padding: 0 5px; border-radius: 999px;
  background: var(--accent); color: #fff; font-size: 12px; font-weight: 800;
  line-height: 20px; text-align: center;
}
.nav-cart.has-items .nav-cart__badge { display: inline-block; }
.nav-cart__badge.bump { animation: hvPop .4s ease; }

/* 吸底操作条 */
.cartbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  background: var(--navy); color: #fff;
  box-shadow: 0 -8px 30px rgba(8, 28, 53, .28);
  transform: translateY(110%); transition: transform .28s ease;
}
.cartbar.is-on { transform: none; }
.cartbar .container {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap;
}
.cartbar__txt { font-size: 14px; }
.cartbar__txt strong { color: var(--accent); font-size: 17px; margin: 0 3px; }
.cartbar__acts { display: flex; gap: 10px; align-items: center; }
.cartbar .btn--ghost { color: #fff; border-color: rgba(255, 255, 255, .45); }
.cartbar .btn--ghost:hover { background: rgba(255, 255, 255, .12); }
body.has-cartbar { padding-bottom: 78px; }

/* 轻提示 */
.cart-toast {
  position: fixed; left: 50%; bottom: 26px; z-index: 60;
  transform: translate(-50%, 20px); opacity: 0; pointer-events: none;
  background: var(--navy); color: #fff; font-size: 14px; font-weight: 600;
  padding: 11px 20px; border-radius: 999px; box-shadow: var(--shadow-md);
  transition: opacity .22s ease, transform .22s ease;
}
.cart-toast.is-on { opacity: 1; transform: translate(-50%, 0); }
body.has-cartbar .cart-toast { bottom: 96px; }

/* 产品卡"询价"按钮已加入态 */
.btn.is-added { background: var(--green); border-color: var(--green); }
.btn.is-busy { opacity: .65; pointer-events: none; }

/* 「询价」按钮合并了加入清单功能：已加入时按钮上的数量角标 */
.btn--inq { display: inline-flex; align-items: center; gap: 6px; }
.btn__count {
  display: inline-block; min-width: 18px; height: 18px; padding: 0 5px;
  border-radius: 999px; background: rgba(255, 255, 255, .28);
  color: inherit; font-size: 11.5px; font-weight: 800; line-height: 18px;
  text-align: center;
}
.nav-cart .btn__count { background: rgba(255, 255, 255, .35); }

/* 表单辅助文字 */
.field .opt { font-weight: 400; color: var(--sub); font-size: 13px; }
.field-hint { margin: 6px 0 0; font-size: 12.5px; color: var(--sub); line-height: 1.5; }
.field-readonly {
  margin: 0; padding: 11px 14px; border: 1px dashed var(--line);
  border-radius: var(--radius-sm); background: var(--bg-tint);
  font-weight: 700; color: var(--ink);
}
.field-readonly__tag {
  margin-left: 8px; font-weight: 500; font-size: 11.5px; color: var(--sub);
  border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px;
  background: #fff;
}

/* 清单页 */
.cart-page { padding: 40px 0 72px; }
.cart-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 18px; flex-wrap: wrap;
}
.cart-count { margin: 0; color: var(--sub); font-size: 15px; }
.cart-count strong { color: var(--ink); font-size: 19px; }
.cart-list { list-style: none; margin: 0 0 26px; padding: 0; border-top: 1px solid var(--line); }
.cart-row {
  display: grid; grid-template-columns: 110px 1fr auto auto;
  gap: 18px; align-items: center;
  padding: 16px 4px; border-bottom: 1px solid var(--line);
}
.cart-row__media img {
  width: 110px; height: 84px; object-fit: contain; background: var(--bg-tint);
  border-radius: var(--radius-sm); display: block;
}
.cart-row__info { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.cart-row__name { font-weight: 700; color: var(--ink); font-size: 16px; }
.cart-row__name:hover { color: var(--brand); }
.cart-row__cat { font-size: 12px; color: var(--sub); letter-spacing: .04em; text-transform: uppercase; }
.cart-row__price { font-size: 13px; color: var(--accent); font-weight: 700; }
.cart-row__act { position: relative; display: flex; align-items: center; }

/* 数量步进器 */
.qty-form {
  display: inline-flex; align-items: center; gap: 0;
  border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff;
}
.qty-btn {
  width: 34px; height: 36px; border: 0; background: #fff; cursor: pointer;
  font-size: 18px; line-height: 1; color: var(--ink);
}
.qty-btn:hover:not(:disabled) { background: var(--bg-tint); color: var(--brand); }
.qty-btn:disabled { opacity: .35; cursor: not-allowed; }
.qty-input {
  width: 48px; height: 36px; border: 0; border-left: 1px solid var(--line);
  border-right: 1px solid var(--line); text-align: center; font-weight: 700;
  font-size: 15px; color: var(--ink); -moz-appearance: textfield;
}
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.cart-remove {
  width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--line);
  background: #fff; color: var(--sub); font-size: 19px; line-height: 1; cursor: pointer;
}
.cart-remove:hover { border-color: var(--red); color: var(--red); background: #fff5f5; }
/* 有 JS 时显示 × 按钮, 无 JS 时回退为文字链接(避免按了没反应) */
.cart-remove { display: none; }
html.js .cart-remove { display: block; }
html.js .cart-remove-fb { display: none; }
.cart-remove-fb { display: block; }
.linklike {
  border: 0; background: none; color: var(--brand); cursor: pointer;
  font-size: 13px; text-decoration: underline; padding: 0;
}

.cart-actions { display: flex; gap: 14px; flex-wrap: wrap; }
/* 就地更新后的短暂高亮，给"已生效"的确认反馈（不重载页面） */
@keyframes cartFlash {
  0%   { background: rgba(11, 102, 240, .12); }
  100% { background: transparent; }
}
.cart-row.is-flash { animation: cartFlash .55s ease-out; }
.cart-empty {
  text-align: center; padding: 72px 20px; border: 1px dashed var(--line);
  border-radius: var(--radius); background: var(--bg-tint); color: var(--sub);
}
.cart-empty p { font-size: 17px; margin-bottom: 20px; }

/* 询盘表单顶部清单摘要 */
.cart-summary {
  border: 1px solid var(--line); border-left: 3px solid var(--accent);
  background: var(--bg-tint); border-radius: var(--radius-sm);
  padding: 14px 16px; margin-bottom: 20px;
}
.cart-summary__head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; margin-bottom: 10px;
}
.cart-summary__head strong { font-size: 15px; color: var(--ink); }
.cart-summary__head a { font-size: 13px; color: var(--brand); }
.cart-summary__list { list-style: none; margin: 0; padding: 0; }
.cart-summary__list li {
  display: flex; justify-content: space-between; gap: 12px;
  font-size: 14px; padding: 5px 0; border-bottom: 1px dashed var(--line);
}
.cart-summary__list li:last-child { border-bottom: 0; }
/* 只读汇总表（型号 × 数量） */
.cart-summary__table { width: 100%; border-collapse: collapse; }
.cart-summary__table th {
  text-align: left; font-size: 11.5px; font-weight: 600; color: var(--sub);
  padding: 0 8px 6px 0; border-bottom: 1px solid var(--line);
}
.cart-summary__table th:last-child, .cart-summary__table td:last-child {
  text-align: right; padding-right: 0; width: 72px;
}
.cart-summary__table td { padding: 8px 8px 8px 0; border-bottom: 1px dashed var(--line); }
.cart-summary__table tr:last-child td { border-bottom: 0; }
.cs-name { color: var(--ink); font-weight: 600; }
.cs-qty { color: var(--accent); font-weight: 700; white-space: nowrap; }
.cart-summary__note { margin: 10px 0 0; font-size: 12.5px; color: var(--sub); line-height: 1.55; }
.cart-summary__note a { margin-left: 6px; color: var(--brand); font-weight: 600; }

/* ---------- 站内确认弹窗（替代原生 confirm） ---------- */
.modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal[hidden] { display: none; }
.modal__backdrop {
  position: absolute; inset: 0; background: rgba(8, 28, 53, .55);
  backdrop-filter: blur(2px); animation: modalFade .16s ease;
}
.modal__panel {
  position: relative; z-index: 1; width: 100%; max-width: 420px;
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg);
  padding: 26px 26px 20px; animation: modalPop .18s ease;
}
.modal__title { margin: 0 0 10px; font-size: 19px; color: var(--ink); }
.modal__desc { margin: 0 0 22px; font-size: 14.5px; line-height: 1.6; color: var(--sub); }
.modal__acts { display: flex; gap: 10px; justify-content: flex-end; }
body.modal-open { overflow: hidden; }
@keyframes modalFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalPop {
  from { opacity: 0; transform: translateY(10px) scale(.98); }
  to   { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .modal__backdrop, .modal__panel { animation: none; }
}
/* 破坏性操作按钮 */
.btn--danger { background: var(--red); border: 1px solid var(--red); color: #fff; }
.btn--danger:hover { background: #c93a3f; border-color: #c93a3f; color: #fff; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 64px 0 72px; }
  .hero-copy { padding-left: 0; }
  .hero-visual { max-width: 720px; }
  .hero-visual .hv-frame { transform: none; }
  .nav-cart__txt { display: none; }
  .nav-cart { padding: 9px 11px; }
  .cart-row { grid-template-columns: 92px 1fr auto; gap: 14px; }
  .cart-row__media img { width: 92px; height: 72px; }
  .cart-row__act { grid-column: 2 / -1; justify-content: flex-end; }
  .foot-top { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .site-head .container { min-height: 64px; }
  .nav, .nav-actions .btn-nav { display: none; }
  .nav-burger { display: inline-block; margin-left: auto; }
  .mobile-menu { display: none; background: #fff; border-top: 1px solid var(--line); position: absolute; left: 0; right: 0; top: 100%; box-shadow: var(--shadow-md); max-height: calc(100vh - 70px); overflow: auto; }
  body.menu-open .mobile-menu { display: block; }
  .mobile-menu ul { list-style: none; margin: 0; padding: 10px 20px 18px; }
  .mobile-menu a { display: block; padding: 12px 6px; border-bottom: 1px solid #f1f4f9; color: var(--ink); font-weight: 600; }
  .mobile-menu .mm-grp { font-size: 12px; text-transform: uppercase; color: var(--sub); letter-spacing: .08em; padding: 14px 6px 4px; font-weight: 700; }
  .mobile-menu .btn { margin: 14px 6px 4px; }
  .cartbar__txt { font-size: 13px; }
  .feature-inner, .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .feature-inner.flip .f-copy { order: 1; }
  .feature-inner.flip .f-media { order: 2; }
  .listing-grid { grid-template-columns: 1fr; }
  .rail { position: static; }
  .rail ul { grid-template-columns: repeat(3, 1fr); }
  .dtop { grid-template-columns: 1fr; }
  .d-gallery { position: static; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .statbar .container { grid-template-columns: repeat(2, 1fr); gap: 26px; }
  .mm-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .container { padding: 0 16px; }
  :root { --hv-h: 300px; }
  .cat-grid, .adv-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .foot-top { grid-template-columns: 1fr; gap: 26px; }
  .form { grid-template-columns: 1fr; }
  .rail ul { grid-template-columns: 1fr 1fr; }
  .statbar .container { grid-template-columns: 1fr 1fr; }
  .pane-head { align-items: stretch; flex-direction: column; }
  .searchbox input { width: 100%; }
  .cart-row { grid-template-columns: 74px 1fr; gap: 12px; align-items: start; }
  .cart-row__media img { width: 74px; height: 60px; }
  .cart-row__qty { grid-column: 2; }
  .cart-row__act { grid-column: 2; }
  .cart-actions .btn { width: 100%; }
  .cartbar .container { justify-content: center; text-align: center; }
  .hero-ctas .btn { width: 100%; }
}