/* ==========================================================================
   超级辩手 · 官方周边 — Design System
   ========================================================================== */

:root {
  --ink: #080807;
  --ink-2: #0e0e0c;
  --plate: #141412;
  --plate-2: #1b1b18;
  --line: rgba(244, 240, 232, 0.10);
  --line-2: rgba(244, 240, 232, 0.20);
  --paper: #f4f0e8;
  --paper-2: #c9c4b8;
  --dim: #8b8780;
  --dim-2: #6b6862;
  --amber: #e8a33d;
  --amber-2: #f2be72;
  --amber-dim: rgba(232, 163, 61, 0.14);
  --ok: #6fa86f;
  --warn: #d97742;

  --max: 1240px;
  --pad: clamp(20px, 4vw, 56px);

  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --mono: "SF Mono", ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
::selection { background: var(--amber); color: #000; }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.wrap-wide { width: 100%; max-width: 1560px; margin: 0 auto; padding: 0 var(--pad); }
.sec { padding: clamp(56px, 8vw, 104px) 0; }
.sec-tight { padding: clamp(40px, 5vw, 64px) 0; }

/* ---------- Type ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--amber);
  flex: none;
}
.eyebrow.plain::before { display: none; }

.sec-title {
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.25;
  margin-top: 14px;
}
.sec-desc {
  color: var(--dim);
  max-width: 62ch;
  margin-top: 14px;
  font-size: 14.5px;
}
.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }

.hr { height: 1px; background: var(--line); border: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 50px;
  padding: 0 30px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  border: 1px solid transparent;
  transition: all 0.25s var(--ease);
  white-space: nowrap;
  cursor: pointer;
  position: relative;
}
.btn-primary { background: var(--amber); color: #17120a; }
.btn-primary:hover { background: var(--amber-2); }
.btn-ghost { border-color: var(--line-2); color: var(--paper); }
.btn-ghost:hover { border-color: var(--paper); background: rgba(244, 240, 232, 0.05); }
.btn-dark { background: var(--paper); color: #111; }
.btn-dark:hover { background: #fff; }
.btn-block { width: 100%; }
.btn-sm { height: 38px; padding: 0 18px; font-size: 12.5px; letter-spacing: 0.08em; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--paper);
  border-bottom: 1px solid var(--line-2);
  padding-bottom: 5px;
  transition: all 0.25s var(--ease);
}
.link-arrow:hover { color: var(--amber); border-color: var(--amber); }
.link-arrow svg { transition: transform 0.25s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- Header ---------- */
.site-head {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 8, 7, 0.82);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: background 0.3s var(--ease);
}
.head-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand-mark {
  width: 34px; height: 34px;
  border: 1px solid var(--amber);
  display: grid; place-items: center;
  font-size: 15px; font-weight: 800;
  color: var(--amber);
  letter-spacing: -0.02em;
  flex: none;
}
.brand-txt { display: flex; flex-direction: column; line-height: 1.15; }
.brand-cn { font-size: 16px; font-weight: 800; letter-spacing: 0.14em; }
.brand-en { font-family: var(--mono); font-size: 8.5px; letter-spacing: 0.24em; color: var(--dim); }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative;
  padding: 8px 14px;
  font-size: 14px;
  color: var(--paper-2);
  transition: color 0.2s var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 2px;
  height: 1px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s var(--ease);
}
.nav a:hover { color: var(--paper); }
.nav a:hover::after, .nav a.is-active::after { transform: scaleX(1); }
.nav a.is-active { color: var(--paper); font-weight: 600; }

.head-act { display: flex; align-items: center; gap: 14px; flex: none; }
.head-link {
  position: relative;
  display: inline-flex; align-items: center; gap: 9px;
  height: 38px; padding: 0 16px;
  border: 1px solid var(--line-2);
  font-size: 13px; letter-spacing: 0.04em;
  transition: all 0.2s var(--ease);
}
.head-link:hover { border-color: var(--amber); color: var(--amber); }

.head-qr {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: 176px;
  background: #fff;
  padding: 10px 10px 8px;
  border: 1px solid var(--line-2);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease), visibility 0.22s;
  pointer-events: none;
  z-index: 130;
}
/* 悬停桥接区：鼠标从按钮移到弹层时不会闪断 */
.head-qr::before {
  content: "";
  position: absolute;
  top: -14px;
  left: 0;
  right: 0;
  height: 14px;
}
.head-qr img { width: 100%; display: block; }
.head-qr em {
  display: block;
  text-align: center;
  font-style: normal;
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: #8a8a85;
  padding-top: 7px;
}
.head-link:hover .head-qr,
.head-link:focus-visible .head-qr,
.head-link:focus-within .head-qr {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.burger { display: none; width: 38px; height: 38px; border: 1px solid var(--line-2); place-items: center; }
.burger span { display: block; width: 16px; height: 1px; background: var(--paper); position: relative; }
.burger span::before, .burger span::after {
  content: ""; position: absolute; left: 0; width: 16px; height: 1px; background: var(--paper);
}
.burger span::before { top: -5px; }
.burger span::after { top: 5px; }

/* Drawer */
.drawer {
  position: fixed; inset: 0; z-index: 150;
  background: rgba(8, 8, 7, 0.98);
  display: flex; flex-direction: column;
  padding: 24px var(--pad) 40px;
  transform: translateY(-100%);
  transition: transform 0.36s var(--ease);
  visibility: hidden;
}
.drawer.open { transform: translateY(0); visibility: visible; }
.drawer-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
.drawer-close { font-size: 26px; line-height: 1; color: var(--dim); padding: 4px 8px; }
.drawer nav { display: flex; flex-direction: column; }
.drawer nav a {
  font-size: 26px; font-weight: 700; letter-spacing: 0.06em;
  padding: 18px 0; border-bottom: 1px solid var(--line);
}
.drawer-foot { margin-top: auto; padding-top: 32px; color: var(--dim); font-size: 13px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: min(88vh, 780px);
  display: flex;
  align-items: flex-end;
  padding: clamp(56px, 10vw, 96px) 0 clamp(40px, 6vw, 64px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(80% 60% at 72% 10%, rgba(232, 163, 61, 0.16) 0%, transparent 62%),
    radial-gradient(50% 50% at 10% 90%, rgba(232, 163, 61, 0.07) 0%, transparent 70%),
    linear-gradient(180deg, #0c0c0a 0%, #080807 100%);
}
.hero-grid-lines {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(244, 240, 232, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 240, 232, 0.045) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(120% 90% at 50% 30%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 90% at 50% 30%, #000 20%, transparent 78%);
}
.hero-inner { position: relative; z-index: 1; width: 100%; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(36px, 5vw, 64px);
  align-items: center;
}
@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: 1.12fr 0.88fr; }
}
.hero-visual { display: none; }
@media (min-width: 1024px) { .hero-visual { display: block; } }
.hero-frame {
  position: relative;
  background: #f2f2f0;
  padding: 10px;
  border: 1px solid var(--line-2);
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.9);
}
.hero-frame img { width: 100%; display: block; }
.hero-frame-cap {
  position: absolute; left: 0; bottom: -30px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em;
  color: var(--dim-2);
  white-space: nowrap;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 10px;
  border: 1px solid var(--line-2);
  padding: 7px 14px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.2em;
  color: var(--paper-2);
  margin-bottom: clamp(24px, 4vw, 40px);
}
.dot { width: 5px; height: 5px; background: var(--amber); border-radius: 50%; }

.hero h1 {
  font-size: clamp(40px, 7.6vw, 92px);
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.06;
  max-width: 16ch;
}
.hero h1 em { font-style: normal; color: var(--amber); }
.hero-sub {
  margin-top: 26px;
  max-width: 46ch;
  color: var(--paper-2);
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.85;
}
.hero-actions { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; }

.hero-strip {
  margin-top: clamp(40px, 7vw, 72px);
  border-top: 1px solid var(--line);
  padding-top: 22px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.hero-strip div { font-size: 12.5px; color: var(--dim); display: flex; align-items: center; gap: 9px; }
.hero-strip svg { flex: none; color: var(--amber); }

/* ---------- Value strip ---------- */
.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.values > div {
  padding: 26px clamp(16px, 2vw, 28px);
  border-right: 1px solid var(--line);
  display: flex; align-items: center; gap: 14px;
}
.values > div:last-child { border-right: 0; }
.values strong { display: block; font-size: 14px; font-weight: 700; letter-spacing: 0.03em; }
.values span { display: block; font-size: 12px; color: var(--dim); margin-top: 2px; }
.values svg { color: var(--amber); flex: none; }

/* ---------- Product grid ---------- */
.filters {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-top: 32px;
}
.chip {
  height: 34px; padding: 0 16px;
  border: 1px solid var(--line);
  font-size: 13px; color: var(--paper-2);
  transition: all 0.2s var(--ease);
  letter-spacing: 0.03em;
}
.chip:hover { border-color: var(--line-2); color: var(--paper); }
.chip.is-on { background: var(--paper); color: #111; border-color: var(--paper); font-weight: 600; }

.grid-products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 2.4vw, 32px) clamp(14px, 1.8vw, 24px);
  margin-top: 36px;
}
.grid-products.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card { display: block; position: relative; }
.card-media {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: #f2f2f0;
  border: 1px solid var(--line);
}
.card-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.card:hover .card-media img { transform: scale(1.035); }
.card-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 62%, rgba(8, 8, 7, 0.30) 100%);
  opacity: 0; transition: opacity 0.4s var(--ease);
  pointer-events: none;
}
.card:hover .card-media::after { opacity: 1; }

.card-quick {
  position: absolute; left: 12px; right: 12px; bottom: 12px;
  height: 38px;
  background: var(--ink); color: var(--paper);
  font-size: 12px; font-weight: 700; letter-spacing: 0.12em;
  display: grid; place-items: center;
  opacity: 0; transform: translateY(8px);
  transition: all 0.3s var(--ease);
  z-index: 2;
}
.card:hover .card-quick { opacity: 1; transform: translateY(0); }

.card-badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  background: var(--amber); color: #17120a;
  font-size: 10.5px; font-weight: 800; letter-spacing: 0.1em;
  padding: 4px 9px;
}
.card-badge.sold { background: rgba(244, 240, 232, 0.86); color: #111; }

.card-body { padding: 16px 2px 0; }
.card-cat { font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em; color: var(--dim-2); text-transform: uppercase; }
.card-name {
  margin-top: 6px;
  font-size: 14.5px; font-weight: 600; letter-spacing: 0.02em;
  line-height: 1.45;
  transition: color 0.2s var(--ease);
}
.card:hover .card-name { color: var(--amber); }
.card-price { margin-top: 10px; display: flex; align-items: baseline; gap: 8px; }
.price {
  font-size: 17px; font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.price .cur { font-size: 11.5px; font-weight: 600; margin-right: 1px; }
.price-old {
  font-size: 12px; color: var(--dim-2);
  text-decoration: line-through;
  font-variant-numeric: tabular-nums;
}

/* ---------- Placeholder tile ---------- */
.ph {
  position: relative;
  width: 100%; height: 100%;
  display: grid; place-items: center;
  background:
    radial-gradient(120% 90% at 50% 0%, #1e1e1a 0%, #131311 55%, #0d0d0b 100%);
  overflow: hidden;
}
.ph::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(244, 240, 232, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 240, 232, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(80% 80% at 50% 50%, #000 10%, transparent 80%);
  -webkit-mask-image: radial-gradient(80% 80% at 50% 50%, #000 10%, transparent 80%);
}
.ph-idx {
  position: absolute; top: 12px; left: 14px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em;
  color: var(--dim-2);
}
.ph-name {
  position: relative;
  font-size: clamp(15px, 1.6vw, 21px);
  font-weight: 800;
  letter-spacing: 0.12em;
  color: rgba(244, 240, 232, 0.20);
  text-align: center;
  line-height: 1.6;
  padding: 0 24px;
  max-width: 100%;
  word-break: break-word;
}
.ph-tip {
  position: absolute; bottom: 12px; right: 12px;
  font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.1em;
  color: var(--dim-2);
  border: 1px solid var(--line);
  padding: 3px 6px;
}

/* ---------- Stats / brand band ---------- */
.band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(232, 163, 61, 0.045), transparent 60%);
}
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  padding: clamp(32px, 4vw, 48px) 0;
}
.stats > div { text-align: center; border-right: 1px solid var(--line); }
.stats > div:last-child { border-right: 0; }
.stats b {
  display: block;
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 800; letter-spacing: -0.02em;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.stats b i { font-style: normal; font-size: 0.45em; color: var(--amber); margin-left: 3px; }
.stats span { display: block; margin-top: 10px; font-size: 12px; color: var(--dim); letter-spacing: 0.1em; }

/* ---------- Editorial block ---------- */
.editorial {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(32px, 6vw, 88px);
  align-items: center;
}
.editorial h2 {
  font-size: clamp(26px, 3.6vw, 44px);
  font-weight: 800; line-height: 1.32; letter-spacing: 0.03em;
}
.editorial p { color: var(--paper-2); margin-top: 20px; font-size: 14.5px; line-height: 1.95; }
.editorial-media { aspect-ratio: 5 / 4; border: 1px solid var(--line); overflow: hidden; background: var(--plate); position: relative; }
.editorial-media img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Detail page ---------- */
.crumbs {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--dim);
  padding: 22px 0;
}
.crumbs a:hover { color: var(--paper); }
.crumbs span.sep { color: var(--dim-2); }

.pd {
  display: grid;
  grid-template-columns: 1.02fr 1fr;
  gap: clamp(28px, 5vw, 72px);
  padding-bottom: clamp(48px, 7vw, 88px);
}
.pd-media { display: flex; flex-direction: column; gap: 10px; }
.pd-main { aspect-ratio: 3 / 2; border: 1px solid var(--line); overflow: hidden; background: #f2f2f0; }
.pd-main img { width: 100%; height: 100%; object-fit: contain; }
.pd-thumbs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.pd-thumb { position: relative; aspect-ratio: 3 / 2; border: 1px solid var(--line); overflow: hidden; background: #f2f2f0; opacity: 0.55; transition: opacity .2s, border-color .2s; }
.pd-thumb.is-on, .pd-thumb:hover { opacity: 1; border-color: var(--paper); }
.pd-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

.pd-info { padding-top: 6px; }
.pd-cat { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.2em; color: var(--amber); text-transform: uppercase; }
.pd-name { font-size: clamp(24px, 3vw, 36px); font-weight: 800; line-height: 1.3; margin-top: 12px; letter-spacing: 0.02em; }
.pd-sub { color: var(--dim); margin-top: 10px; font-size: 14px; }
.pd-price { display: flex; align-items: baseline; gap: 12px; margin-top: 26px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.pd-price .price { font-size: 32px; }
.pd-price .cur { font-size: 17px; }
.pd-price .price-old { font-size: 14px; }

.opt-group { margin-top: 24px; }
.opt-label { font-size: 12px; color: var(--dim); letter-spacing: 0.12em; margin-bottom: 10px; }
.opt-label b { color: var(--paper); font-weight: 600; margin-left: 6px; letter-spacing: 0; }
.opts { display: flex; gap: 8px; flex-wrap: wrap; }
.opts.long { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.opt {
  min-width: 52px; height: 40px; padding: 0 14px;
  border: 1px solid var(--line-2);
  font-size: 13px; display: inline-flex; align-items: center; justify-content: center;
  transition: all 0.18s var(--ease);
}
.opts.long .opt {
  height: auto; min-height: 46px; padding: 8px 13px;
  justify-content: flex-start; text-align: left;
  line-height: 1.45; font-size: 12.5px; letter-spacing: 0.01em;
}
.opt:hover { border-color: var(--paper); }
.opt.is-on { border-color: var(--paper); background: var(--paper); color: #111; font-weight: 600; }

.qty { display: inline-flex; align-items: stretch; border: 1px solid var(--line-2); height: 44px; }
.qty button { width: 42px; font-size: 17px; color: var(--paper-2); transition: background .2s, color .2s; }
.qty button:hover { background: rgba(244, 240, 232, 0.06); color: var(--paper); }
.qty input {
  width: 54px; text-align: center;
  background: none; border: 0;
  border-left: 1px solid var(--line); border-right: 1px solid var(--line);
  font-variant-numeric: tabular-nums; font-size: 14px;
  -moz-appearance: textfield;
}
.qty input::-webkit-outer-spin-button, .qty input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.pd-buy { display: flex; gap: 12px; margin-top: 30px; }
.pd-buy .btn { flex: 1; height: 54px; }

.pd-promise { margin-top: 26px; display: flex; flex-direction: column; gap: 10px; }
.pd-promise div { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--paper-2); }
.pd-promise svg { color: var(--amber); flex: none; }

.pd-tabs { border-top: 1px solid var(--line); margin-top: 12px; }
.tab-head { display: flex; gap: 0; border-bottom: 1px solid var(--line); }
.tab-head button {
  padding: 20px 0; margin-right: 36px;
  font-size: 14px; font-weight: 600; letter-spacing: 0.06em;
  color: var(--dim); position: relative;
}
.tab-head button::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: var(--amber); transform: scaleX(0); transition: transform .25s var(--ease);
}
.tab-head button.is-on { color: var(--paper); }
.tab-head button.is-on::after { transform: scaleX(1); }
.tab-panel { display: none; padding: 32px 0; color: var(--paper-2); font-size: 14.5px; line-height: 1.95; }
.tab-panel.is-on { display: block; }

.spec-table { width: 100%; border-collapse: collapse; margin-top: 8px; }
.spec-table th, .spec-table td {
  text-align: left; padding: 13px 16px; font-size: 13.5px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.spec-table th { color: var(--dim); font-weight: 500; width: 160px; letter-spacing: 0.04em; }
.spec-table td { color: var(--paper-2); }

/* ---------- 购买区 ---------- */
.buy-qr {
  display: flex;
  gap: 16px;
  align-items: center;
  border: 1px solid var(--line);
  background: var(--plate);
  padding: 14px 16px;
  margin-top: 18px;
}
.buy-qr img { width: 112px; height: 112px; background: #fff; padding: 5px; flex: none; }
.buy-qr b { display: block; font-size: 13.5px; letter-spacing: 0.03em; }
.buy-qr p { font-size: 12.5px; color: var(--dim); line-height: 1.7; margin-top: 5px; }

.empty { text-align: center; padding: 80px 20px; border: 1px dashed var(--line-2); }
.empty h3 { font-size: 18px; font-weight: 700; }
.empty p { color: var(--dim); font-size: 13.5px; margin-top: 10px; }
.empty .btn { margin-top: 26px; }

/* ---------- 数量选择 ---------- */
.qty { display: inline-flex; align-items: stretch; border: 1px solid var(--line-2); height: 44px; }
.qty button { width: 42px; font-size: 17px; color: var(--paper-2); transition: background .2s, color .2s; }
.qty button:hover { background: rgba(244, 240, 232, 0.06); color: var(--paper); }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 12.5px; color: var(--dim); letter-spacing: 0.06em; }
.field label i { color: var(--warn); font-style: normal; margin-left: 2px; }
.field input, .field select, .field textarea {
  height: 46px; padding: 0 14px;
  background: var(--plate); border: 1px solid var(--line);
  font-size: 14px; transition: border-color .2s, background .2s;
  width: 100%;
}
.field textarea { height: 92px; padding: 12px 14px; resize: vertical; line-height: 1.6; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--amber); background: var(--plate-2);
}
.field .err { font-size: 11.5px; color: var(--warn); display: none; }
.field.invalid input, .field.invalid select { border-color: var(--warn); }
.field.invalid .err { display: block; }

.radio-row { display: flex; gap: 12px; flex-wrap: wrap; }
.radio-card {
  flex: 1; min-width: 180px;
  border: 1px solid var(--line-2);
  padding: 16px; display: flex; align-items: center; gap: 12px;
  cursor: pointer; transition: all .2s var(--ease);
}
.radio-card:hover { border-color: var(--paper-2); }
.radio-card input { accent-color: var(--amber); width: 15px; height: 15px; }
.radio-card.is-on { border-color: var(--amber); background: rgba(232, 163, 61, 0.06); }
.radio-card strong { font-size: 13.5px; font-weight: 600; display: block; }
.radio-card span { font-size: 11.5px; color: var(--dim); display: block; margin-top: 2px; }

/* ---------- Prose (policy pages) ---------- */
.page-head { padding: clamp(40px, 6vw, 72px) 0 clamp(24px, 3vw, 36px); border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(30px, 4.4vw, 52px); font-weight: 800; letter-spacing: 0.04em; margin-top: 16px; }
.page-head p { color: var(--dim); margin-top: 14px; max-width: 60ch; font-size: 14px; }

.prose { max-width: 82ch; padding: clamp(40px, 5vw, 64px) 0 clamp(56px, 8vw, 96px); }
.prose h2 {
  font-size: 19px; font-weight: 700; letter-spacing: 0.06em;
  margin: 44px 0 14px; padding-left: 14px; border-left: 2px solid var(--amber);
}
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 15.5px; font-weight: 700; margin: 26px 0 8px; color: var(--paper); }
.prose p { color: var(--paper-2); font-size: 14.5px; line-height: 1.95; margin-bottom: 14px; }
.prose ul, .prose ol { margin: 0 0 16px 20px; color: var(--paper-2); font-size: 14.5px; line-height: 1.95; }
.prose li { margin-bottom: 8px; }
.prose strong { color: var(--paper); font-weight: 600; }
.prose a { color: var(--amber); border-bottom: 1px solid rgba(232,163,61,.35); }
.prose .note {
  border: 1px solid var(--line);
  background: var(--plate);
  padding: 18px 22px; margin: 24px 0;
  font-size: 13.5px; color: var(--paper-2);
}
.prose .note b { color: var(--amber); }

/* ---------- Info cards ---------- */
.info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.info-cell { position: relative; background: var(--ink); padding: 30px 28px; display: flex; gap: 16px; }
.info-cell svg { color: var(--amber); flex: none; margin-top: 3px; }
.info-cell .k { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em; color: var(--dim-2); text-transform: uppercase; }
.info-cell .v { font-size: 15px; margin-top: 8px; line-height: 1.7; }
.info-cell .v a:hover { color: var(--amber); }
.info-cell .v small { display: block; color: var(--dim); font-size: 12px; margin-top: 4px; }

/* 信息格：悬停展示客服二维码 */
.info-cell.has-qr:hover,
.info-cell.has-qr:focus-within { z-index: 30; }
.cell-qr {
  position: absolute;
  top: calc(100% + 10px);
  left: 24px;
  width: 176px;
  background: #fff;
  padding: 10px 10px 8px;
  border: 1px solid var(--line-2);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease), visibility 0.22s;
  pointer-events: none;
  z-index: 40;
}
.cell-qr::before {
  content: "";
  position: absolute;
  top: -12px;
  left: 0;
  right: 0;
  height: 12px;
}
.cell-qr img { width: 100%; display: block; }
.cell-qr em {
  display: block;
  text-align: center;
  font-style: normal;
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: #8a8a85;
  padding-top: 7px;
}
.info-cell.has-qr:hover .cell-qr,
.info-cell.has-qr:focus-within .cell-qr {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.step { background: var(--ink); padding: 28px 24px; }
.step .n { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; color: var(--amber); }
.step h4 { font-size: 14.5px; font-weight: 700; margin-top: 12px; letter-spacing: 0.04em; }
.step p { font-size: 12.5px; color: var(--dim); margin-top: 8px; line-height: 1.75; }

/* ---------- CTA ---------- */
.cta {
  border: 1px solid var(--line);
  padding: clamp(36px, 5vw, 64px);
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  background: radial-gradient(120% 140% at 100% 0%, rgba(232,163,61,.10), transparent 60%), var(--plate);
  flex-wrap: wrap;
}
.cta h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; letter-spacing: 0.04em; }
.cta p { color: var(--dim); margin-top: 10px; font-size: 14px; }

/* ---------- Footer ---------- */
.site-foot { border-top: 1px solid var(--line); background: var(--ink-2); margin-top: clamp(40px, 6vw, 80px); }
.foot-main {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: clamp(24px, 4vw, 56px);
  padding: clamp(44px, 6vw, 72px) 0;
}
.foot-brand .brand { margin-bottom: 18px; }
.foot-brand p { color: var(--dim); font-size: 13px; max-width: 30ch; line-height: 1.85; }
.foot-col h4 {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.2em;
  color: var(--dim-2); text-transform: uppercase; margin-bottom: 18px;
}
.foot-col a, .foot-col p { display: block; font-size: 13.5px; color: var(--paper-2); padding: 5px 0; line-height: 1.7; }
.foot-col a:hover { color: var(--amber); }
.foot-col .muted { color: var(--dim); font-size: 12.5px; }
.foot-bottom {
  border-top: 1px solid var(--line);
  padding: 22px 0 26px;
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  font-size: 12px; color: var(--dim-2);
}
.foot-bottom a:hover { color: var(--paper-2); }
.foot-bottom .row { display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 40px; z-index: 300;
  transform: translate(-50%, 20px);
  background: var(--paper); color: #111;
  padding: 13px 24px; font-size: 13.5px; font-weight: 600; letter-spacing: 0.02em;
  opacity: 0; pointer-events: none;
  transition: all 0.32s var(--ease);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  max-width: calc(100vw - 40px);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.err { background: var(--warn); color: #fff; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Success ---------- */
.done { max-width: 640px; margin: 0 auto; text-align: center; padding: clamp(60px, 10vw, 120px) 0; }
.done .ico {
  width: 68px; height: 68px; margin: 0 auto 26px;
  border: 1px solid var(--amber); display: grid; place-items: center;
  color: var(--amber);
}
.done h1 { font-size: clamp(24px, 3.4vw, 34px); font-weight: 800; letter-spacing: 0.04em; }
.done p { color: var(--dim); margin-top: 16px; font-size: 14.5px; line-height: 1.9; }
.done .order-no { font-family: var(--mono); color: var(--amber); font-size: 15px; letter-spacing: 0.06em; margin-top: 20px; }

/* ---------- QR / 微信客服 ---------- */
.contact-qr {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
.contact-qr-card {
  margin: 0;
  background: #fff;
  padding: 14px 14px 10px;
  width: min(260px, 62vw);
  border: 1px solid var(--line-2);
}
.contact-qr-card img { width: 100%; display: block; }
.contact-qr-card figcaption {
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #8a8a85;
  padding-top: 10px;
}
.qr-inline {
  display: flex;
  gap: 20px;
  align-items: center;
  border: 1px solid var(--line);
  background: var(--plate);
  padding: 18px 20px;
  margin: 22px 0 6px;
}
.qr-inline img {
  width: 132px;
  height: 132px;
  background: #fff;
  padding: 6px;
  flex: none;
}
.qr-inline b { display: block; font-size: 14px; letter-spacing: 0.04em; color: var(--paper); }
.qr-inline p {
  font-size: 12.5px;
  color: var(--dim);
  line-height: 1.75;
  margin: 6px 0 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .grid-products { grid-template-columns: repeat(2, 1fr); }
  .foot-main { grid-template-columns: 1fr 1fr; }
  .pd { grid-template-columns: 1fr; }
  .pd-info { padding-top: 0; }
  .editorial { grid-template-columns: 1fr; }
  .editorial-media { order: -1; }
}

@media (max-width: 860px) {
  .hero {
    min-height: 0;
    align-items: flex-start;
    padding-top: clamp(40px, 9vw, 64px);
    padding-bottom: 36px;
  }
  .nav { display: none; }
  .burger { display: grid; }
  .head-link span.lbl { display: none; }
  .head-qr { display: none; }
  .hero-strip { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .values { grid-template-columns: 1fr; }
  .values > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .values > div:last-child { border-bottom: 0; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 34px 0; }
  .stats > div:nth-child(2) { border-right: 0; }
  .steps { grid-template-columns: 1fr 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .cell-qr { display: none; }
  .grid-products, .grid-products.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .cta { flex-direction: column; align-items: flex-start; }
  .contact-qr { grid-template-columns: 1fr; }
  .contact-qr-card { width: min(230px, 70vw); }
  .head-inner { height: 64px; gap: 12px; }
  .tab-head button { margin-right: 22px; font-size: 13px; }
  .sec-head { align-items: flex-start; }
}

@media (max-width: 520px) {
  body { font-size: 14.5px; }
  .brand-en { display: none; }
  .head-link { height: 36px; padding: 0 12px; }
  .hero { min-height: 0; }
  .hero h1 { font-size: clamp(32px, 9.4vw, 44px); }
  .hero-strip { grid-template-columns: 1fr 1fr; }
  .hero-strip div { font-size: 11.5px; }
  .foot-main { grid-template-columns: 1fr; gap: 32px; }
  .foot-bottom { flex-direction: column; gap: 10px; }
  .pd-buy { flex-direction: column; }
  .pd-buy .btn { width: 100%; }
  .qr-inline { flex-direction: column; text-align: center; align-items: center; }
  
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}