/* =====================================================================
   Crystal Store — site.css
   风格：深色沉浸式（近黑底 + 暖白文字 + 香槟金点缀 + 打光感）
   移动优先；断点 700px / 900px / 1120px
   ===================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  --bg:        #0a0a0b;   /* 页面底色 */
  --bg-2:      #101013;   /* 交替区块 */
  --bg-3:      #17171b;   /* 卡片 / 输入框 */
  --bg-4:      #1f1f24;   /* 悬停 */

  --ink:       #f5f2ec;   /* 主文字（暖白） */
  --ink-2:     rgba(245, 242, 236, .70);
  --muted:     rgba(245, 242, 236, .45);

  --line:      rgba(245, 242, 236, .12);
  --line-2:    rgba(245, 242, 236, .26);

  --gold:      #c8a56b;   /* 香槟金 */
  --gold-2:    #e3cd9d;   /* 浅金（悬停 / 强调文字） */
  --gold-dim:  rgba(200, 165, 107, .30);

  --ok:        #6fbf8b;
  --warn:      #d9a961;
  --danger:    #e08375;

  --container: 1180px;
  --gutter: 22px;
  --header-h: 68px;

  --serif: Georgia, "Times New Roman", "Songti SC", SimSun, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 2. 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
hr { border: 0; border-top: 1px solid var(--line); margin: 0; }
::selection { background: var(--gold-dim); color: var(--ink); }

:focus-visible { outline: 1.5px solid var(--gold); outline-offset: 3px; }

.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;
}
.muted { color: var(--muted); }
.small { font-size: .8125rem; }
.req { color: var(--gold); }
.lead { font-size: 1.0625rem; line-height: 1.75; color: var(--ink-2); }

/* ---------- 3. 排版 ---------- */
h1, h2, h3, h4 {
  margin: 0 0 .6em;
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -.012em;
  color: var(--ink);
}
h1 { font-size: clamp(2.2rem, 6.4vw, 4rem); letter-spacing: -.024em; }
h2 { font-size: clamp(1.6rem, 3.8vw, 2.6rem); }
h3 { font-size: 1.1875rem; line-height: 1.35; }
p  { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

.eyebrow,
.card-eyebrow {
  display: inline-block;
  margin: 0 0 20px;
  font-family: var(--sans);
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--gold);
}
.card-eyebrow { margin-bottom: 8px; font-size: .625rem; letter-spacing: .18em; color: var(--muted); }

.sub-title { margin-top: 48px; font-size: 1.375rem; }

.link-arrow {
  display: inline-block;
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--gold-dim);
  transition: border-color .3s var(--ease), color .3s var(--ease);
}
.link-arrow::after { content: " →"; }
.link-arrow:hover { color: var(--gold-2); border-color: var(--gold-2); }

/* ---------- 4. 布局 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding: 62px 0; border-top: 1px solid var(--line); }
.section--tight { padding: 36px 0 62px; }
.section--tint { background: var(--bg-2); }

.section-head { margin-bottom: 42px; max-width: 60ch; }
.section-head h2 { margin-bottom: 14px; }
.section-head p { color: var(--muted); font-size: .9375rem; margin: 0; }
.section-head--row {
  display: flex; flex-direction: column; gap: 18px; align-items: flex-start;
  max-width: none; justify-content: space-between;
}

.page-head { padding: 48px 0 28px; border-bottom: 1px solid var(--line); }
.page-head--compact { padding: 42px 0 22px; }
.page-head h1 { margin-bottom: 10px; }
.page-head p { color: var(--muted); max-width: 58ch; margin: 0; }
.page-head--error { text-align: center; padding: 96px 0 112px; border-bottom: 0; }
.error-code {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 4.5rem;
  line-height: 1;
  color: var(--gold-dim);
}

.breadcrumb { padding: 22px 0 0; font-size: .75rem; color: var(--muted); }
.breadcrumb .container { display: flex; flex-wrap: wrap; gap: 8px; letter-spacing: .06em; }
.breadcrumb a { border-bottom: 1px solid transparent; }
.breadcrumb a:hover { color: var(--gold); border-color: var(--gold-dim); }

.result-count {
  margin: 0 0 28px;
  font-size: .6875rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted);
}
.empty-state {
  padding: 68px 20px; text-align: center; color: var(--muted);
  border: 1px solid var(--line);
}

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px 34px;
  font-family: var(--sans);
  font-size: .6875rem; font-weight: 600; line-height: 1;
  letter-spacing: .18em; text-transform: uppercase;
  border: 1px solid transparent; border-radius: 0;
  cursor: pointer; text-align: center; white-space: nowrap;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.btn--primary {
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  border-color: var(--gold); color: #14120d;
  box-shadow: 0 10px 30px -14px rgba(200, 165, 107, .8);
}
.btn--primary:hover { box-shadow: 0 14px 36px -14px rgba(200, 165, 107, 1); filter: brightness(1.06); }
.btn--ghost { background: transparent; border-color: var(--line-2); color: var(--ink); }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn--whatsapp { background: transparent; border-color: var(--line-2); color: var(--ink); }
.btn--whatsapp:hover { border-color: var(--gold); color: var(--gold); }
.btn--lg { padding: 19px 46px; }
.btn--sm { padding: 10px 18px; font-size: .625rem; letter-spacing: .14em; }
.btn--block { width: 100%; }

/* ---------- 6. 页头 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background .35s var(--ease), border-color .35s var(--ease);
}
.site-header.is-scrolled,
.site-header.is-solid {
  background: rgba(10, 10, 11, .86);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom-color: var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  min-height: var(--header-h);
}

.brand { display: flex; align-items: center; gap: 11px; min-width: 0; }
.brand-mark {
  width: 12px; height: 12px; flex: 0 0 12px;
  border: 1.5px solid var(--gold); transform: rotate(45deg);
}
.brand-text { display: flex; flex-direction: column; min-width: 0; }
.brand-text strong {
  font-family: var(--serif); font-size: 1.25rem; font-weight: 400;
  letter-spacing: -.01em; line-height: 1.2; white-space: nowrap; color: var(--ink);
}
.brand-text small {
  font-size: .5625rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--muted); white-space: nowrap;
}

.site-nav { display: none; }
.site-nav.is-open {
  position: fixed; inset: var(--header-h) 0 auto 0; z-index: 55;
  display: flex; flex-direction: column; gap: 0;
  padding: 8px var(--gutter) 26px;
  background: rgba(10, 10, 11, .97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  max-height: calc(100vh - var(--header-h)); overflow-y: auto;
}
.site-nav.is-open a {
  padding: 17px 2px;
  font-size: .75rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
  border-bottom: 1px solid var(--line);
}
.site-nav a.is-active { color: var(--gold); }
.site-nav-cta { display: none; }

/* 语言切换器：桌面端在右上角（--bar），移动端放在展开的菜单里（--inline） */
.lang-switch--bar { display: none; }
.lang-switch--inline { display: flex; flex-wrap: wrap; gap: 16px; padding-top: 22px; }
.lang-switch--inline a {
  font-size: .625rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--muted);
}
.lang-switch--inline a.is-active { color: var(--gold); }

.header-actions { display: flex; align-items: center; gap: 10px; }

.nav-toggle {
  width: 44px; height: 44px; display: grid; place-content: center; gap: 5px;
  padding: 0; background: transparent; border: 1px solid var(--line-2);
  cursor: pointer;
}
.nav-toggle-bar { display: block; width: 17px; height: 1px; background: var(--ink); transition: transform .3s var(--ease), opacity .3s var(--ease); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* ---------- 7. 主视觉（全屏沉浸） ---------- */
.hero {
  position: relative;
  display: grid; align-items: center;
  min-height: min(86vh, 800px);
  padding: 110px 0 76px;
  margin-top: calc(var(--header-h) * -1);
  padding-top: calc(var(--header-h) + 96px);
  overflow: hidden;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .42; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10, 10, 11, .62) 0%, rgba(10, 10, 11, .82) 55%, var(--bg) 100%);
}
.hero-glow {
  position: absolute; z-index: 0; border-radius: 50%;
  filter: blur(90px); pointer-events: none;
}
.hero-glow--gold { width: 620px; height: 620px; top: -180px; right: -140px; background: rgba(200, 165, 107, .22); }
.hero-glow--cool { width: 520px; height: 520px; bottom: -220px; left: -160px; background: rgba(108, 138, 196, .16); }

/* 主视觉背景：三四张产品图先叠在正中央，页面刷新后一张张旋转展开成扇形。
   透明度很低，只做氛围；顶部渐隐，文字层（z-index: 1）盖在它上面。 */
.hero-fan {
  --fan-w: 460px;
  --fan-h: 640px;
  --fan-spread: 18deg;
  --fan-opacity: .22;
  position: absolute; z-index: 0;
  left: 50%;
  /* 放在标题与按钮背后：以 hero 高度百分比定位，屏幕高矮都跟随 */
  bottom: -6%;
  width: 0; height: 0;
  transform: translateX(-50%);
  pointer-events: none;
}
.hero-fan-item {
  --fan-angle: calc((var(--fan-i) - (var(--fan-n) - 1) / 2) * var(--fan-spread));
  position: absolute; left: 0; bottom: 0;
  width: var(--fan-w); height: var(--fan-h);
  margin-left: calc(var(--fan-w) / -2);
  transform-origin: center bottom;
  transform: rotate(var(--fan-angle));
  opacity: var(--fan-opacity);
  overflow: hidden;
  border: 1px solid rgba(245, 242, 236, .18);
  box-shadow: 0 22px 44px -26px rgba(0, 0, 0, .85);
  /* 依次展开：初始全部叠在正中（0°），延迟按序号递增 */
  animation: fan-open .95s cubic-bezier(.22, .75, .22, 1) backwards;
  animation-delay: calc(var(--fan-i) * 120ms);
}
@keyframes fan-open {
  0% {
    transform: rotate(0deg) translateY(16px) scale(.9);
    opacity: 0;
    box-shadow: 0 0 0 rgba(200, 165, 107, 0);
  }
  55% {
    opacity: calc(var(--fan-opacity) * 1.7);
    box-shadow: 0 0 38px rgba(200, 165, 107, .32);
  }
  100% {
    transform: rotate(var(--fan-angle)) translateY(0) scale(1);
    opacity: var(--fan-opacity);
    box-shadow: 0 22px 44px -26px rgba(0, 0, 0, .85);
  }
}
.hero-fan-item img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(.7) brightness(.8);
}
/* 顶部渐隐：叠一层背景色，让扇形上缘柔和地融进深色背景（等价于原 mask 效果） */
.hero-fan-item::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10, 10, 11, .68) 0%, rgba(10, 10, 11, .30) 48%, rgba(10, 10, 11, 0) 84%);
  pointer-events: none;
}

/* 小屏：扇形再小一档 */
@media (max-width: 720px) {
  .hero-fan {
    --fan-w: 210px;
    --fan-h: 292px;
    --fan-spread: 13deg;
    --fan-opacity: .20;
    bottom: 2%;
  }
}

/* 系统设置了「减少动态效果」时不做逐张延迟，直接显示展开后的样子 */
@media (prefers-reduced-motion: reduce) {
  .hero-fan-item { animation: none; }
}

.hero-inner { position: relative; z-index: 1; }
.hero-copy { max-width: 44ch; margin-inline: auto; text-align: center; }
.hero-copy h1 { margin-bottom: 22px; }
.hero-copy h1 em { font-style: normal; color: var(--gold); }
.hero-sub { font-size: 1.0625rem; line-height: 1.75; color: var(--ink-2); }

.hero-actions {
  display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; justify-content: center;
}
.hero-actions .btn { flex: 1 1 auto; }

.hero-badges {
  display: flex; flex-wrap: wrap; gap: 12px 0; justify-content: center;
  margin: 44px 0 0; padding: 24px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  font-size: .625rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--muted);
}
.hero-badges li { display: flex; align-items: center; }
.hero-badges li + li::before { content: ""; width: 1px; height: 11px; background: var(--line-2); margin: 0 16px; }

/* ---------- 8. 分类 ---------- */
.category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.category-card { display: flex; flex-direction: column; }
.category-card-media {
  display: block; aspect-ratio: 4 / 5; overflow: hidden;
  background: var(--bg-3); border: 1px solid var(--line);
}
.category-card-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .9s var(--ease), opacity .5s var(--ease);
  opacity: .92;
}
.category-card:hover .category-card-media img { transform: scale(1.05); opacity: 1; }
.category-card:hover .category-card-media { border-color: var(--gold-dim); }
.category-card-body { display: flex; flex-direction: column; gap: 5px; padding: 16px 0 0; }
.category-card-body strong {
  font-family: var(--serif); font-size: 1.1875rem; font-weight: 400; color: var(--ink);
}
.category-card-body small { color: var(--muted); font-size: .8125rem; line-height: 1.55; }

/* ---------- 9. 产品卡片 ---------- */
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.product-card { display: flex; flex-direction: column; }
.product-card-media {
  display: block; aspect-ratio: 1 / 1; overflow: hidden;
  background: var(--bg-3); border: 1px solid var(--line);
  transition: border-color .4s var(--ease);
}
.product-card-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .9s var(--ease), filter .5s var(--ease);
  filter: brightness(.94) contrast(1.02);
}
.product-card:hover .product-card-media { border-color: var(--gold-dim); }
.product-card:hover .product-card-media img { transform: scale(1.05); filter: brightness(1.04) contrast(1.02); }
.product-card-body { display: flex; flex-direction: column; gap: 7px; padding: 16px 0 0; flex: 1; }
.product-card-title { margin: 0; font-size: 1.125rem; }
.product-card-title a { color: var(--ink); }
.product-card:hover .product-card-title a { color: var(--gold-2); }
.product-card-tagline {
  margin: 0; font-size: .8125rem; line-height: 1.6; color: var(--muted);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.product-card-foot {
  display: flex; align-items: baseline; justify-content: space-between; gap: 10px;
  margin-top: auto; padding-top: 13px; border-top: 1px solid var(--line);
  font-size: .8125rem;
}
.product-card-foot .price { color: var(--muted); font-size: .6875rem; letter-spacing: .12em; text-transform: uppercase; }
.product-card-foot .price strong {
  display: block; margin-top: 5px;
  font-family: var(--serif); font-size: 1.0625rem; font-weight: 400;
  letter-spacing: 0; text-transform: none; color: var(--gold);
}

.media-fallback {
  position: relative; display: block; width: 100%; height: 100%;
  background:
    radial-gradient(60% 50% at 50% 40%, rgba(200, 165, 107, .10), transparent 70%),
    var(--bg-3);
}
.media-fallback::after {
  content: ""; position: absolute; inset: 40% 44%;
  border: 1px solid var(--gold-dim); transform: rotate(45deg);
}
.media-fallback--lg { min-height: 280px; }

/* ---------- 10. 首页 · 卖点 ---------- */
.benefit-grid {
  display: grid; gap: 0; margin: 0; padding: 0; list-style: none;
  border-top: 1px solid var(--line);
}
.benefit { display: block; padding: 32px 0; border-bottom: 1px solid var(--line); }
.benefit-icon { display: block; margin-bottom: 16px; color: var(--gold); }
.benefit p { margin: 0; font-size: .9375rem; line-height: 1.65; color: var(--ink-2); }

/* ---------- 11. 首页 · 流程 ---------- */
.step-track {
  display: grid; gap: 0; margin: 0; padding: 0; list-style: none;
  border-top: 1px solid var(--line);
}
.step-track-item {
  display: grid; grid-template-columns: 52px 1fr; gap: 16px; align-items: baseline;
  padding: 28px 0; border-bottom: 1px solid var(--line);
}
.step-track-num { font-family: var(--serif); font-size: 1.5rem; color: var(--gold-dim); line-height: 1; }
.step-track-item p { margin: 0; font-size: .9375rem; line-height: 1.65; }
.step-track-note {
  display: flex; align-items: center; gap: 9px;
  margin: 26px 0 0;
  font-size: .75rem; letter-spacing: .04em; color: var(--muted);
}
.step-track-note .icon { color: var(--gold); }

.step-grid {
  display: grid; gap: 0; margin: 0; padding: 0; list-style: none;
  border-top: 1px solid var(--line);
}
.step-grid--compact { margin-top: 6px; }
.step-card { padding: 20px 0; border-bottom: 1px solid var(--line); }
.step-index {
  display: block; margin-bottom: 9px;
  font-size: .5625rem; font-weight: 600; letter-spacing: .2em;
  text-transform: uppercase; color: var(--gold);
}
.step-card p { margin: 0; font-size: .875rem; line-height: 1.65; color: var(--ink-2); }

/* ---------- 12. 首页 · 关于 ---------- */
.about-grid { display: grid; gap: 40px; }
.about-copy h2 { margin-bottom: 18px; }
.about-copy p { color: var(--ink-2); }
.about-aside { display: flex; flex-direction: column; align-items: flex-start; gap: 26px; }

.check-list { margin: 0; padding: 0; list-style: none; }
.check-list li {
  position: relative;
  padding: 14px 0 14px 26px;
  font-size: .9375rem;
  border-bottom: 1px solid var(--line);
}
.check-list li:first-child { border-top: 1px solid var(--line); }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 1.35em;
  width: 11px; height: 1px; background: var(--gold);
}

/* ---------- 13. 首页 · 客户评价 ---------- */
.review-grid { display: grid; gap: 0; border-top: 1px solid var(--line); }
.review {
  display: flex; flex-direction: column; gap: 16px;
  margin: 0; padding: 32px 0;
  border-bottom: 1px solid var(--line);
}
.review-stars { display: flex; gap: 4px; color: var(--gold); }
.review-stars .icon { fill: currentColor; stroke: none; }
.review-text { margin: 0; font-family: var(--serif); font-size: 1.0625rem; line-height: 1.7; color: var(--ink); }
.review-author { display: flex; flex-direction: column; gap: 3px; }
.review-author strong {
  font-size: .6875rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--ink);
}
.review-author .small { font-size: .75rem; color: var(--muted); }

/* ---------- 14. 底部行动区（全页唯一亮色块） ---------- */
.cta-band {
  position: relative; overflow: hidden;
  padding: 68px 0;
  background: linear-gradient(135deg, var(--gold) 0%, #a9873f 100%);
  color: #14120d;
}
.cta-band h2 { color: #14120d; margin-bottom: 14px; }
.cta-band p { color: rgba(20, 18, 13, .72); margin: 0; max-width: 52ch; font-size: .9375rem; }
.cta-band-inner { display: flex; flex-direction: column; gap: 28px; align-items: flex-start; }
.cta-band .btn--primary {
  background: #14120d; border-color: #14120d; color: #f5f2ec; box-shadow: none;
}
.cta-band .btn--primary:hover { background: transparent; color: #14120d; border-color: #14120d; }

/* ---------- 15. 产品详情 ---------- */
.product-layout { display: grid; gap: 34px; padding-block: 30px 64px; }

.gallery, .order-form, .contact-form-wrap { min-width: 0; }
.gallery-main {
  aspect-ratio: 1 / 1; overflow: hidden;
  background: var(--bg-3); border: 1px solid var(--line);
}
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs { display: flex; gap: 10px; margin-top: 12px; overflow-x: auto; padding-bottom: 4px; }
.gallery-thumb {
  flex: 0 0 74px; width: 74px; height: 74px; padding: 0; overflow: hidden; cursor: pointer;
  background: var(--bg-3); border: 1px solid transparent; border-radius: 0;
  transition: border-color .25s var(--ease);
}
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; opacity: .85; }
.gallery-thumb:hover { border-color: var(--line-2); }
.gallery-thumb:hover img { opacity: 1; }
.gallery-thumb.is-active { border-color: var(--gold); }
.gallery-thumb.is-active img { opacity: 1; }

.product-info h1 { margin-bottom: 12px; }
.product-tagline { font-size: 1.0625rem; color: var(--muted); }

.price-display { display: flex; align-items: baseline; gap: 12px; margin: 26px 0; }
.price-display-value { font-family: var(--serif); font-size: 2rem; color: var(--gold); }
.price-display-note { font-size: .6875rem; letter-spacing: .16em; text-transform: uppercase; }

.product-bullets { margin: 0 0 34px; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.product-bullets li {
  padding: 12px 0 12px 22px; position: relative;
  font-size: .875rem; border-bottom: 1px solid var(--line);
}
.product-bullets li::before {
  content: ""; position: absolute; left: 0; top: 1.65em; width: 10px; height: 1px; background: var(--gold);
}

.spec-form { border-top: 1px solid var(--line); padding-top: 30px; }
.spec-title { font-size: 1.25rem; margin-bottom: 6px; }
.spec-hint { font-size: .8125rem; margin-bottom: 22px; }

.chip-row { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 8px; margin-bottom: 26px; scrollbar-width: none; }
.chip-row::-webkit-scrollbar { display: none; }
.chip {
  flex: 0 0 auto; padding: 11px 18px;
  font-size: .625rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  background: transparent; border: 1px solid var(--line); border-radius: 0;
  transition: background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
}
.chip:hover { border-color: var(--line-2); }
.chip.is-active {
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  border-color: var(--gold); color: #14120d;
}

.spec-group { margin: 0 0 26px; padding: 0; border: 0; }
.spec-group legend {
  padding: 0 0 12px;
  font-size: .625rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--muted);
}
.spec-options { display: grid; gap: 0; border-top: 1px solid var(--line); }
.spec-option { display: block; cursor: pointer; }
.spec-option input { position: absolute; opacity: 0; width: 0; height: 0; }
.spec-option-body {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 15px 2px;
  background: transparent; border-bottom: 1px solid var(--line);
  transition: padding .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.spec-option:hover .spec-option-body { padding-left: 8px; background: rgba(245, 242, 236, .02); }
.spec-option input:checked + .spec-option-body {
  padding-left: 16px;
  border-left: 2px solid var(--gold);
  border-bottom-color: var(--gold-dim);
  background: rgba(200, 165, 107, .06);
}
.spec-option input:focus-visible + .spec-option-body { outline: 1.5px solid var(--gold); outline-offset: 2px; }
.spec-option-main { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.spec-size { font-size: .9375rem; font-weight: 400; color: var(--ink); }
.spec-base, .spec-sku { font-size: .75rem; color: var(--muted); }
.spec-option-side { display: flex; align-items: baseline; gap: 10px; white-space: nowrap; }
.spec-compare { color: var(--muted); font-size: .8125rem; }
.spec-price { font-family: var(--serif); font-size: 1.0625rem; font-weight: 400; color: var(--gold); }

.spec-actions { display: flex; flex-direction: column; gap: 14px; margin-top: 30px; }
.qty-field {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  border-bottom: 1px solid var(--line); padding-bottom: 12px;
}
.qty-field span { font-size: .6875rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.qty-field input {
  width: 88px; padding: 10px 12px; text-align: center;
  background: var(--bg-3); border: 1px solid var(--line); border-radius: 0; color: var(--ink);
}
.spec-selected { margin: 20px 0 0; font-size: .875rem; }
.spec-selected .muted { font-size: .6875rem; letter-spacing: .16em; text-transform: uppercase; }

.spec-meta { display: grid; margin: 26px 0 0; padding: 0; border-top: 1px solid var(--line); font-size: .875rem; }
.spec-meta div {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 13px 0; border-bottom: 1px solid var(--line);
}
.spec-meta dt { color: var(--muted); }
.spec-meta dd { margin: 0; text-align: right; color: var(--ink); }

.detail-grid { display: grid; gap: 42px; }
.detail-block h2 { font-size: 1.25rem; margin-bottom: 14px; }
.detail-block p { color: var(--ink-2); }

/* ---------- 16. 表单 ---------- */
.field-grid { display: grid; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 9px; }
.field--wide { grid-column: 1 / -1; }
.field--narrow { max-width: 180px; }
.field label, .field > span {
  font-size: .625rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--muted);
}
.field input[type="text"], .field input[type="email"], .field input[type="tel"],
.field input[type="number"], .field input[type="search"], .field input[type="url"],
.field select, .field textarea, .track-form input {
  width: 100%; padding: 14px 15px;
  background: var(--bg-3);
  border: 1px solid var(--line); border-radius: 0;
  color: var(--ink);
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.field select { background-image: none; }
.field select option { background: var(--bg-3); color: var(--ink); }
.field textarea { resize: vertical; min-height: 110px; }
.field input::placeholder, .field textarea::placeholder { color: rgba(245, 242, 236, .28); }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--gold); outline: none;
  background: var(--bg-4);
  box-shadow: 0 0 0 3px rgba(200, 165, 107, .12);
}
.field input[type="file"] {
  padding: 12px; font-size: .8125rem;
  background: var(--bg-3); border: 1px dashed var(--line-2); color: var(--ink-2);
}
.field-hint { font-size: .75rem; line-height: 1.6; color: var(--muted); }
.field-error { font-size: .75rem; color: var(--danger); }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--danger); }
.checkbox { display: flex; align-items: flex-start; gap: 10px; font-size: .8125rem; color: var(--ink-2); }
.checkbox input { margin-top: 3px; width: 15px; height: 15px; accent-color: var(--gold); }
.form-note { margin: 4px 0 18px; font-size: .75rem; line-height: 1.7; color: var(--muted); }

/* ---------- 17. 下单页 ---------- */
.order-layout { display: grid; gap: 40px; padding-block: 34px 72px; }
/* 三个步骤区块：由 CSS 自动编号 01 / 02 / 03，模板里不用写序号 */
.order-form { counter-reset: fstep; }
.form-section {
  padding-top: 34px; margin-bottom: 30px;
  background: none; border: 0; border-top: 1px solid var(--line);
  counter-increment: fstep;
}
.form-section h2 {
  display: flex; align-items: baseline; gap: 14px;
  font-size: 1.375rem; margin-bottom: 24px;
}
.form-section h2::before {
  content: "0" counter(fstep);
  font-family: var(--serif);
  font-size: 1rem;
  letter-spacing: .08em;
  color: var(--gold);
}

.spec-picked {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 26px; padding: 14px;
  background: var(--bg-2); border: 1px solid var(--line);
}
.spec-picked-media {
  width: 72px; height: 72px; flex: 0 0 72px; overflow: hidden;
  background: var(--bg-3); border: 1px solid var(--line);
}
.spec-picked-media img { width: 100%; height: 100%; object-fit: cover; }
.spec-picked-body { display: flex; flex-direction: column; gap: 3px; }
.spec-picked-body strong { font-family: var(--serif); font-size: 1.125rem; font-weight: 400; color: var(--ink); }

/* 照片改为下单后在 WhatsApp 上发给客服，这里只做说明 */
.artwork-note {
  display: flex; align-items: flex-start; gap: 16px;
  margin-bottom: 26px; padding: 22px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
}
.artwork-note-icon {
  display: grid; place-content: center;
  width: 42px; height: 42px; flex: 0 0 42px;
  border: 1px solid var(--gold-dim); border-radius: 50%;
  color: var(--gold);
}
.artwork-note-body { display: flex; flex-direction: column; gap: 6px; }
.artwork-note-body strong { font-family: var(--serif); font-size: 1.0625rem; font-weight: 400; color: var(--ink); }
.artwork-note-body p { margin: 0; font-size: .875rem; line-height: 1.7; color: var(--muted); }

/* 提交区：与上方拉开距离，突出按钮 */
.form-submit { margin-top: 34px; padding-top: 28px; border-top: 1px solid var(--line); }
.form-submit .form-note { margin-bottom: 18px; }

.order-summary {
  align-self: start;
  padding: 28px 26px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  position: relative;
}
.order-summary::before {
  content: ""; position: absolute; left: 0; top: 0; width: 42px; height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}
.order-summary h2 { font-size: 1.1875rem; margin-bottom: 20px; }
.summary-list { display: grid; margin: 0; font-size: .875rem; }
.summary-list > div, .summary-item {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 12px 0; border-bottom: 1px solid var(--line);
}
.summary-list dt { color: var(--muted); }
.summary-list dd { margin: 0; text-align: right; color: var(--ink); }
.summary-item dt { display: flex; flex-direction: column; color: var(--ink); }
.summary-item dt small { color: var(--muted); font-size: .75rem; }
.summary-total { border-bottom: 0 !important; padding-top: 18px !important; }
.summary-total dt { color: var(--ink); }
.summary-total dd { font-family: var(--serif); font-size: 1.375rem; color: var(--gold); }
.summary-note { margin-top: 16px; font-size: .75rem; line-height: 1.7; color: var(--muted); }
.summary-block { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); }
.summary-block h3 {
  font-family: var(--sans); font-size: .625rem; font-weight: 600; letter-spacing: .18em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 12px;
}
.summary-block p { font-size: .875rem; }

/* ---------- 18. 下单成功 ---------- */
.success-layout { display: grid; gap: 44px; }
.success-main { max-width: 62ch; }
.success-check {
  display: block; width: 42px; height: 42px; margin-bottom: 26px;
  border: 1px solid var(--gold-dim); position: relative;
}
.success-check::after {
  content: ""; position: absolute; left: 13px; top: 12px; width: 14px; height: 8px;
  border-left: 1.5px solid var(--gold); border-bottom: 1.5px solid var(--gold);
  transform: rotate(-45deg);
}
.order-no-box {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  margin: 30px 0 12px; padding: 22px 24px;
  background: var(--bg-2); border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
}
.order-no-box strong {
  display: block; margin-top: 6px;
  font-family: var(--serif); font-size: 1.375rem; font-weight: 400; letter-spacing: .04em;
  color: var(--gold);
}

/* ---------- 19. 客服卡片 ---------- */
.agent-card {
  display: flex; align-items: flex-start; gap: 18px; flex-wrap: wrap;
  margin: 32px 0; padding: 24px;
  background: var(--bg-2); border: 1px solid var(--line); border-left: 2px solid var(--gold);
}
.agent-avatar {
  width: 46px; height: 46px; flex: 0 0 46px;
  display: grid; place-content: center;
  border: 1px solid var(--gold-dim); border-radius: 50%;
  font-family: var(--serif); font-size: 1.125rem; color: var(--gold);
}
.agent-body { display: flex; flex-direction: column; gap: 3px; flex: 1 1 160px; min-width: 0; }
.agent-label { font-size: .5625rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.agent-name { font-family: var(--serif); font-size: 1.125rem; font-weight: 400; color: var(--ink); }
.agent-number { font-size: .8125rem; color: var(--muted); letter-spacing: .04em; }
.agent-actions { display: flex; flex-direction: column; gap: 10px; width: 100%; }

/* ---------- 20. 订单查询 ---------- */
.track-form { display: flex; flex-direction: column; gap: 12px; margin-bottom: 34px; }
.track-form input { padding: 16px 18px; }
.order-list { display: grid; gap: 0; margin-bottom: 50px; }
.order-card { padding: 30px 0; border-bottom: 1px solid var(--line); }
.order-card:first-child { border-top: 1px solid var(--line); }
.order-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; margin-bottom: 20px; }
.order-card-head > div { display: flex; flex-direction: column; gap: 5px; }
.order-no { font-family: var(--serif); font-size: 1.1875rem; font-weight: 400; letter-spacing: .04em; color: var(--ink); }

.order-card-items { list-style: none; margin: 0 0 20px; padding: 0; display: grid; gap: 12px; }
.order-card-items li { display: flex; align-items: flex-start; gap: 14px; font-size: .875rem; }
.item-name { flex: 1; display: flex; flex-direction: column; gap: 2px; color: var(--ink); }
.item-name small { color: var(--muted); font-size: .75rem; }
.item-qty { color: var(--muted); white-space: nowrap; }
.item-total { color: var(--gold); white-space: nowrap; }

.order-card-meta { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 24px; margin: 0; }
.order-card-meta div { display: flex; flex-direction: column; gap: 3px; }
.order-card-meta dt { font-size: .5625rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.order-card-meta dd { margin: 0; font-size: .875rem; color: var(--ink); word-break: break-word; }

.tracking-box {
  display: flex; flex-wrap: wrap; align-items: center; gap: 16px 34px;
  margin-top: 22px; padding: 20px 22px;
  background: var(--bg-2); border: 1px solid var(--line);
}
.tracking-box div { display: flex; flex-direction: column; gap: 3px; }
.tracking-box strong { font-family: var(--serif); font-weight: 400; color: var(--ink); letter-spacing: .03em; }

.order-card-timeline { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line); }
.order-card-timeline summary {
  cursor: pointer; font-size: .625rem; font-weight: 600; letter-spacing: .18em;
  text-transform: uppercase; color: var(--muted); list-style: none;
}
.order-card-timeline summary::-webkit-details-marker { display: none; }
.order-card-timeline summary::after { content: " +"; color: var(--gold); }
.order-card-timeline[open] summary { margin-bottom: 20px; }
.order-card-timeline[open] summary::after { content: " −"; }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline-item { position: relative; padding: 0 0 24px 24px; border-left: 1px solid var(--line); }
.timeline-item:last-child { padding-bottom: 0; border-left-color: transparent; }
.timeline-dot {
  position: absolute; left: -3.5px; top: 7px; width: 7px; height: 7px;
  border-radius: 50%; background: var(--line-2);
}
.timeline-dot--ok { background: var(--ok); }
.timeline-dot--info { background: #6c8ac4; }
.timeline-dot--accent { background: var(--gold); }
.timeline-dot--warn { background: var(--warn); }
.timeline-dot--muted { background: var(--line-2); }
.timeline-item.is-current .timeline-dot { box-shadow: 0 0 0 4px rgba(200, 165, 107, .18); }
.timeline-body { display: flex; flex-direction: column; gap: 4px; font-size: .875rem; }
.timeline-body strong { font-weight: 600; color: var(--ink); }
.timeline-location { font-size: .8125rem; color: var(--ink-2); }
.timeline-note { margin: 0; font-size: .8125rem; color: var(--ink-2); }
.timeline-time { font-size: .75rem; color: var(--muted); letter-spacing: .04em; }

/* ---------- 21. 联系我们 ---------- */
.contact-layout { display: grid; gap: 46px; }
.contact-form { display: grid; gap: 22px; }
.contact-info { padding-top: 4px; }
.contact-info h2 { font-size: 1.25rem; margin-bottom: 22px; }
.info-list { display: grid; margin: 0 0 28px; }
.info-list div { display: flex; flex-direction: column; gap: 4px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.info-list div:first-child { border-top: 1px solid var(--line); }
.info-list dt { font-size: .5625rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.info-list dd { margin: 0; font-size: .9375rem; color: var(--ink); word-break: break-word; }
.info-list a { border-bottom: 1px solid var(--gold-dim); }
.info-list a:hover { color: var(--gold); border-color: var(--gold); }

.verify-block {
  margin: 0; padding: 24px;
  background: var(--bg-2); border: 1px solid var(--line);
}
.verify-block legend {
  padding: 0 10px; margin-left: -10px;
  font-size: .5625rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--gold);
}
.verify-hint { margin: 0 0 14px; font-size: .75rem; }
.verify-block .field { margin-bottom: 0; }

/* 验证题：显示成 "5 + 6 = ?" 的算式，数字放大高亮、运算符跟着放大 */
.verify-block .verify-question {
  display: block;
  font-size: 1.0625rem;
  font-weight: 400;
  letter-spacing: .02em;
  text-transform: none;
  color: var(--ink-2);
  line-height: 1.6;
}
.verify-num {
  display: inline-block;
  margin: 0 .18em;
  padding: .02em .34em;
  font-family: var(--serif);
  font-size: 1.75em;
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: .02em;
  color: var(--gold-2);
  background: rgba(200, 165, 107, .12);
  border-bottom: 2px solid var(--gold);
  vertical-align: -.08em;
}
.verify-op {
  display: inline-block;
  margin: 0 .1em;
  font-family: var(--serif);
  font-size: 1.2em;
  font-weight: 700;
  color: var(--gold);
  vertical-align: -.02em;
}

.hp-field {
  position: absolute; left: -9999px; top: auto;
  width: 1px; height: 1px; overflow: hidden; opacity: 0; pointer-events: none;
}

/* ---------- 22. 提示 / 徽标 ---------- */
.notice {
  margin: 0 0 28px; padding: 20px 22px;
  background: var(--bg-2); border: 1px solid var(--line); border-left: 2px solid var(--gold);
  font-size: .9375rem; color: var(--ink-2);
}
.notice p { margin: 0 0 10px; }
.notice--info { border-left-color: #6c8ac4; }
.notice--ok { border-left-color: var(--ok); }
.notice--warn { border-left-color: var(--warn); }

.flash-stack { display: grid; gap: 1px; }
.flash {
  padding: 16px 22px; font-size: .875rem;
  background: var(--bg-2); border-left: 2px solid var(--gold); color: var(--ink-2);
}
.flash--success { border-left-color: var(--ok); }
.flash--error { border-left-color: var(--danger); }

.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 0; border: 0; background: none;
  font-size: .625rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-2); white-space: nowrap;
}
.badge::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: currentColor; flex: 0 0 5px;
}
.badge--ok { color: var(--ok); }
.badge--info { color: #8faddb; }
.badge--accent { color: var(--gold); }
.badge--warn { color: var(--warn); }
.badge--muted { color: var(--muted); }

/* ---------- 23. 付款区块 ---------- */
.pay-block { padding-top: 30px; margin-top: 30px; border-top: 1px solid var(--line); }
.pay-block--compact { padding-top: 22px; }
.pay-block h2 { font-size: 1.25rem; margin-bottom: 10px; }
.pay-block-sub { font-size: .875rem; color: var(--muted); margin-bottom: 20px; }
.pay-steps { margin: 0; padding: 0; list-style: none; display: grid; border-top: 1px solid var(--line); }
.pay-steps li {
  padding: 14px 0 14px 26px; position: relative;
  font-size: .875rem; border-bottom: 1px solid var(--line);
}
.pay-steps li::before {
  content: ""; position: absolute; left: 0; top: 1.7em;
  width: 11px; height: 1px; background: var(--line-2);
}
.pay-step--key { color: var(--ink); }
.pay-step--key::before { background: var(--gold) !important; }
.pay-methods { margin-top: 22px; }
.pay-methods-label {
  display: block; margin-bottom: 12px;
  font-size: .5625rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted);
}
.pay-methods ul { margin: 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 8px 10px; }
.pay-methods li { padding: 8px 14px; font-size: .75rem; border: 1px solid var(--line); color: var(--ink-2); }
.pay-notice { margin-top: 20px; font-size: .8125rem; line-height: 1.7; color: var(--muted); }

.pay-hint {
  margin: 0 0 20px; padding: 16px 20px;
  background: var(--bg-2); border: 1px solid var(--line); border-left: 2px solid var(--warn);
  font-size: .875rem; color: var(--ink-2);
}
.pay-hint--ok { border-left-color: var(--ok); }

.pay-online {
  margin: 26px 0 0; padding: 26px 24px;
  background: var(--bg-2); border: 1px solid var(--line);
}
.pay-online-head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 16px;
  padding-bottom: 18px; margin-bottom: 18px; border-bottom: 1px solid var(--line);
}
.pay-online-total { display: flex; flex-direction: column; gap: 6px; }
.pay-online-title { font-size: .5625rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.pay-online-amount { font-family: var(--serif); font-size: 1.75rem; color: var(--gold); }
.pay-online-button { min-height: 48px; }
.pay-online-status, .pay-online-error { margin: 12px 0 0; font-size: .8125rem; }
.pay-online-error { color: var(--danger); }
.pay-online-note { margin: 16px 0 0; font-size: .75rem; line-height: 1.65; }
.pay-online-sandbox { color: var(--warn); margin-left: 6px; }
.pay-online-offline { margin: 10px 0 0; font-size: .75rem; }

.pay-success {
  position: fixed; inset: 0; z-index: 200;
  display: grid; place-items: center; padding: 24px;
  background: rgba(6, 6, 7, .82);
  backdrop-filter: blur(6px);
}
.pay-success[hidden] { display: none; }
.pay-success-card {
  max-width: 380px; padding: 40px 34px; text-align: center;
  background: var(--bg-2); border: 1px solid var(--gold-dim);
}
.pay-success-check {
  display: block; width: 38px; height: 38px; margin: 0 auto 22px;
  border: 1px solid var(--gold-dim); position: relative;
}
.pay-success-check::after {
  content: ""; position: absolute; left: 11px; top: 10px; width: 13px; height: 7px;
  border-left: 1.5px solid var(--gold); border-bottom: 1.5px solid var(--gold);
  transform: rotate(-45deg);
}
.pay-success-title { display: block; font-family: var(--serif); font-size: 1.375rem; color: var(--ink); margin-bottom: 10px; }
.pay-success-text { display: block; font-size: .875rem; color: var(--muted); }

.pay-success-banner {
  display: flex; align-items: center; gap: 16px;
  padding: 20px 22px; margin-top: 24px;
  background: var(--bg-2); border: 1px solid var(--line); border-left: 2px solid var(--ok);
}
.pay-success-banner-check {
  width: 26px; height: 26px; flex: 0 0 26px; border: 1px solid var(--ok); position: relative;
}
.pay-success-banner-check::after {
  content: ""; position: absolute; left: 6px; top: 6px; width: 11px; height: 6px;
  border-left: 1.5px solid var(--ok); border-bottom: 1.5px solid var(--ok);
  transform: rotate(-45deg);
}
.pay-success-banner-body { display: flex; flex-direction: column; gap: 3px; }
.pay-success-banner-body strong { font-family: var(--serif); font-weight: 400; font-size: 1.125rem; color: var(--ink); }
.pay-success-banner-body span { font-size: .8125rem; color: var(--muted); }

/* ---------- 24. 页脚 ---------- */
.site-footer {
  padding: 60px 0 32px;
  background: var(--bg-2);
  border-top: 1px solid var(--line);
}
.footer-grid { display: grid; gap: 34px; }
.footer-brand { display: flex; flex-direction: column; gap: 14px; }
.brand--footer { margin-bottom: 2px; }
.footer-tagline { font-size: .875rem; color: var(--ink-2); max-width: 34ch; margin: 0; }
.footer-note { font-size: .75rem; line-height: 1.7; color: var(--muted); max-width: 36ch; margin: 0; }
.footer-col h3 {
  font-family: var(--sans); font-size: .5625rem; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase; color: var(--muted);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: .875rem; }
.footer-col a { border-bottom: 1px solid transparent; transition: color .25s var(--ease), border-color .25s var(--ease); }
.footer-col a:hover { color: var(--gold); border-color: var(--gold-dim); }
.social-list { margin-top: 18px !important; }
.footer-bottom {
  display: flex; flex-direction: column; gap: 16px;
  margin-top: 46px; padding-top: 22px; border-top: 1px solid var(--line);
  font-size: .75rem; color: var(--muted);
}
.footer-copy { margin: 0; }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; }
.footer-legal { display: flex; flex-wrap: wrap; gap: 18px; margin: 0; }
.footer-legal a { border-bottom: 1px solid var(--line-2); }
.footer-legal a:hover { color: var(--gold); border-color: var(--gold-dim); }

/* 支付方式小图标（页脚，在 Privacy / Terms 左侧） */
.pay-marks { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 0; padding: 0; list-style: none; }
.pay-mark {
  display: grid; place-content: center;
  min-width: 42px; height: 26px; padding: 0 8px;
  background: rgba(245, 242, 236, .04);
  border: 1px solid var(--line);
  font-size: .5625rem; font-weight: 700; letter-spacing: .05em;
  color: rgba(245, 242, 236, .68);
}
.pay-mark--paypal { font-style: italic; letter-spacing: .01em; }
.pay-mark--mc { display: flex; align-items: center; padding: 0 8px; }
.pay-mark--mc i { display: block; width: 11px; height: 11px; border-radius: 50%; }
.pay-mark--mc i:first-child { background: rgba(214, 78, 66, .85); }
.pay-mark--mc i:last-child { background: rgba(226, 163, 58, .8); margin-left: -5px; }

/* ---------- 24b. 长文页（隐私政策 / 服务条款） ---------- */
.legal-updated {
  margin: 0 0 40px;
  font-size: .625rem; font-weight: 600; letter-spacing: .18em;
  text-transform: uppercase; color: var(--muted);
}
.legal { max-width: 74ch; }

.legal-block { padding-top: 34px; margin-top: 34px; border-top: 1px solid var(--line); }
.legal-block:first-child { padding-top: 0; margin-top: 0; border-top: 0; }
.legal-block h2 { font-size: 1.25rem; margin-bottom: 16px; }
.legal-block h2::before {
  content: ""; display: block; width: 26px; height: 1px;
  background: var(--gold); margin-bottom: 15px;
}
.legal-block p { margin: 0 0 1.1em; color: var(--ink-2); }

.legal-list {
  margin: 0 0 1.1em; padding: 0; list-style: none;
  border-top: 1px solid var(--line);
}
.legal-list li {
  position: relative; padding: 12px 0 12px 22px;
  font-size: .9375rem; line-height: 1.7; color: var(--ink-2);
  border-bottom: 1px solid var(--line);
}
.legal-list li::before {
  content: ""; position: absolute; left: 0; top: 1.55em;
  width: 10px; height: 1px; background: var(--gold);
}

.legal-foot {
  max-width: 74ch; margin-top: 46px; padding-top: 30px;
  border-top: 1px solid var(--line);
  display: flex; flex-direction: column; align-items: flex-start; gap: 20px;
}
.legal-foot p { margin: 0; color: var(--ink-2); }

/* ---------- 25. 图标 / 其它 ---------- */
.icon { width: 22px; height: 22px; flex: 0 0 auto; stroke-width: 1.25; }
.icon--sm { width: 15px; height: 15px; }

/* ---------- 26. 响应式 ---------- */
@media (min-width: 560px) {
  .hero-actions .btn { flex: 0 0 auto; }
  .field-grid { grid-template-columns: repeat(2, 1fr); }
  .track-form { flex-direction: row; }
  .track-form input { flex: 1; }
  .agent-actions { flex-direction: row; width: auto; align-items: center; }
  .order-card-meta { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 700px) {
  :root { --gutter: 30px; }
  .section { padding: 90px 0; }
  .section--tight { padding: 48px 0 90px; }
  .section-head--row { flex-direction: row; align-items: flex-end; }
  .category-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .product-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .benefit-grid { grid-template-columns: repeat(2, 1fr); column-gap: 52px; }
  .benefit { padding: 36px 0; }
  .review-grid { grid-template-columns: repeat(2, 1fr); column-gap: 52px; }
  .review { padding: 36px 0; }
  .about-grid { grid-template-columns: 1.15fr .85fr; gap: 64px; }
  .detail-grid { grid-template-columns: repeat(3, 1fr); gap: 48px; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1.1fr; gap: 40px; }
  .step-grid { grid-template-columns: repeat(3, 1fr); column-gap: 44px; }
  .step-card { padding: 26px 0 0; border-bottom: 0; }
}

@media (min-width: 900px) {
  :root { --header-h: 84px; }
  .section { padding: 110px 0; }
  .section--tight { padding: 56px 0 110px; }
  .page-head { padding: 80px 0 42px; }
  .page-head--compact { padding: 60px 0 30px; }
  .cta-band { padding: 100px 0; }
  .cta-band-inner { flex-direction: row; align-items: center; justify-content: space-between; }

  .nav-toggle { display: none; }
  .site-nav {
    position: static; display: flex; flex-direction: row; align-items: center; gap: 38px;
    padding: 0; background: transparent; border: 0; overflow: visible; max-height: none;
  }
  .site-nav.is-open { position: static; }
  .site-nav a {
    padding: 0; border: 0;
    font-size: .625rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase;
    color: var(--ink-2); position: relative;
  }
  .site-nav a::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: -7px;
    height: 1px; background: var(--gold); transform: scaleX(0);
    transition: transform .3s var(--ease);
  }
  .site-nav a:hover, .site-nav a.is-active { color: var(--gold); }
  .site-nav a:hover::after, .site-nav a.is-active::after { transform: scaleX(1); }
  .site-nav-cta { display: none; }
  .lang-switch--bar { display: flex; gap: 14px; }
  .lang-switch--bar a { font-size: .625rem; letter-spacing: .18em; color: var(--muted); }
  .lang-switch--bar a.is-active { color: var(--gold); }

  .hero { min-height: min(92vh, 900px); padding-top: calc(var(--header-h) + 120px); padding-bottom: 96px; }
  .hero-copy { max-width: 52ch; }

  .product-layout { grid-template-columns: 1.08fr 1fr; gap: 72px; padding-block: 46px 110px; }
  .product-layout .product-info { position: sticky; top: calc(var(--header-h) + 36px); align-self: start; }
  .spec-actions { flex-direction: row; align-items: center; gap: 20px; }
  .spec-actions .btn--block { width: auto; flex: 1; }

  .order-layout { grid-template-columns: 1.5fr 1fr; gap: 64px; }
  .order-summary { position: sticky; top: calc(var(--header-h) + 36px); }
  .success-layout { grid-template-columns: 1.35fr 1fr; gap: 72px; align-items: start; }
  .contact-layout { grid-template-columns: 1.25fr .75fr; gap: 72px; }

  .step-track { grid-template-columns: repeat(4, 1fr); column-gap: 40px; border-top: 1px solid var(--line); }
  .step-track-item { display: block; padding: 34px 0 0; border-bottom: 0; }
  .step-track-num { display: block; margin-bottom: 20px; }
  .benefit-grid { grid-template-columns: repeat(4, 1fr); }
  .review-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; }
}

@media (min-width: 1120px) {
  .category-grid { grid-template-columns: repeat(4, 1fr); }
  .product-grid { grid-template-columns: repeat(3, 1fr); gap: 32px; }
}

/* ---------- 28. 移动端体验优化（主要面向手机客户） ---------- */
@media (max-width: 899px) {
  /* 触摸目标放大到适合手指的尺寸 */
  .btn { min-height: 46px; }
  .btn--sm { min-height: 40px; padding: 11px 18px; }
  .chip { min-height: 42px; }
  .nav-toggle { width: 46px; height: 46px; }
  .gallery-thumb { flex: 0 0 66px; width: 66px; height: 66px; }

  /* 产品详情：把「立即下单」固定在屏幕底部，不用滚到底 */
  .product-layout { padding-bottom: 110px; }
  .product-layout .spec-actions {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 45;
    flex-direction: row; align-items: center; gap: 12px;
    margin: 0;
    padding: 12px var(--gutter);
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    background: rgba(10, 10, 11, .95);
    backdrop-filter: saturate(140%) blur(12px);
    border-top: 1px solid var(--line);
  }
  .product-layout .qty-field { flex: 0 0 auto; border-bottom: 0; padding-bottom: 0; }
  .product-layout .qty-field span { font-size: .5625rem; }
  .product-layout .qty-field input { width: 68px; padding: 12px 8px; }
  .product-layout .spec-actions .btn { flex: 1 1 auto; width: auto; }

  /* 下单页：底部固定「提交订单」 */
  .order-layout { padding-bottom: 110px; }
  .order-layout .form-submit {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 45;
    margin: 0;
    padding: 12px var(--gutter);
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    background: rgba(10, 10, 11, .95);
    backdrop-filter: saturate(140%) blur(12px);
    border-top: 1px solid var(--line);
  }
  /* 固定栏里放不下长提示，交给页面内的说明 */
  .order-layout .form-submit .form-note { display: none; }

  /* 有固定底栏的页面，页脚留出空间别被压住 */
  body.route-product .site-footer,
  body.route-order .site-footer { padding-bottom: 104px; }

  /* 订单查询：按钮独占一行，更好点 */
  .track-form .btn { width: 100%; }

  /* 长文页：左侧支付卡在小屏变整宽（本来就是单列，这里只调间距） */
  .footer-meta { gap: 12px 18px; }
}
/* ---------- 27. 打印 ---------- */
@media print {
  .site-header, .site-footer, .cta-band, .hero-actions, .btn, .site-nav, .hero-glow, .hero-bg { display: none !important; }
  body { background: #fff; color: #000; }
  h1, h2, h3 { color: #000; }
}