/* ==========================================================================
   ElleBuy — 视觉主题
   浅色编辑风：暖白纸感底 + 酒红点缀 + 衬线标题 + 发丝线分隔 + 极小圆角。
   刻意与 KlingBuy 的深色/金色/大圆角/投影风格拉开距离，
   避免两个站点在视觉指纹上被识别为同一套模板。
   ========================================================================== */

:root {
  --paper: #faf8f4;
  --card: #ffffff;
  --ink: #191817;
  --ink2: #6b6157;
  --ink3: #9b9284;
  --line: #e6e0d4;
  --line2: #f0ebe1;
  --accent: #7a2b33;
  --accent-soft: #f6ecec;
  --green: #2f5d50;
  --green-soft: #eaf1ee;
  --serif: Georgia, "Iowan Old Style", "Times New Roman", "Songti SC", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.72 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: #fff; padding: 10px 16px; z-index: 99;
}
.skip:focus { left: 0; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 34px 24px 96px; }

/* ---------------- 页头 ---------------- */
.hdr {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.hdr-in {
  max-width: 1080px; margin: 0 auto; padding: 15px 24px;
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
}
.brand {
  font: 600 21px/1 var(--serif); color: var(--ink); letter-spacing: .01em;
  text-decoration: none; flex-shrink: 0;
}
.brand:hover { text-decoration: none; }
.brand i { font-style: normal; color: var(--accent); }

.nav { display: flex; gap: 17px; flex-wrap: wrap; flex: 1; }
.nav a {
  color: var(--ink2); font-size: 14px; text-decoration: none;
  padding: 3px 0; border-bottom: 1px solid transparent;
}
.nav a:hover { color: var(--ink); border-bottom-color: var(--line); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--accent); border-bottom-color: var(--accent); }

.hdr-btn {
  background: var(--accent); color: #fff; padding: 9px 17px; border-radius: 3px;
  font-size: 13.5px; font-weight: 600; text-decoration: none; white-space: nowrap;
}
.hdr-btn:hover { background: #611f26; text-decoration: none; }

/* ---------------- 首页 hero ---------------- */
.hero {
  padding: 44px 0 40px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 44px;
}
.eyebrow {
  font-size: 12.5px; text-transform: uppercase; letter-spacing: .13em;
  color: var(--ink3); margin: 0 0 14px;
}
.hero h1 {
  font: 600 clamp(30px, 4.4vw, 46px)/1.18 var(--serif);
  margin: 0 0 18px; letter-spacing: -.015em; max-width: 20ch;
}
.hero .lead {
  font-size: 18px; color: var(--ink2); max-width: 62ch;
  margin: 0 0 26px; line-height: 1.66;
}
.btns { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-block; background: var(--ink); color: #fff;
  padding: 12px 24px; border-radius: 3px; font-weight: 600; font-size: 14.5px;
  text-decoration: none;
}
.btn:hover { background: #000; text-decoration: none; }
.btn.quiet { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.quiet:hover { background: var(--card); border-color: var(--ink3); }

/* ---------------- 三段说明条 ---------------- */
.strip { margin: 0 0 52px; }
.strip h2 { font: 600 21px/1.3 var(--serif); margin: 0 0 20px; }
.cols3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(232px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cols3 > div { background: var(--card); padding: 22px 20px; }
.cols3 b { display: block; font: 600 16px/1.4 var(--serif); margin-bottom: 8px; }
.cols3 p { margin: 0; font-size: 14.5px; color: var(--ink2); line-height: 1.65; }

/* ---------------- 区块标题 ---------------- */
.phead { margin: 0 0 22px; }
.phead h1, .phead h2 {
  font: 600 clamp(23px, 3vw, 31px)/1.24 var(--serif);
  margin: 0 0 10px; letter-spacing: -.01em;
}
.phead .lead { font-size: 17px; color: var(--ink2); max-width: 66ch; margin: 0; line-height: 1.66; }
.phead .sub { font-size: 15px; color: var(--ink3); margin: 8px 0 0; }
.badge {
  display: inline-block; margin-left: 12px; vertical-align: 4px;
  background: var(--accent-soft); color: var(--accent);
  font: 600 12px/1 var(--sans); padding: 5px 11px; border-radius: 20px;
  letter-spacing: .02em;
}
.cta-line { margin: 18px 0 0; }

/* ---------------- 品类瓦片 ---------------- */
.cats {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(196px, 1fr));
  gap: 1px; background: var(--line); border: 1px solid var(--line); margin-bottom: 56px;
}
.cat {
  background: var(--card); padding: 20px 19px; text-decoration: none; color: var(--ink);
  border-left: 2px solid transparent;
}
.cat:hover { text-decoration: none; border-left-color: var(--accent); background: #fffdfa; }
.cat b { display: block; font: 600 16.5px/1.35 var(--serif); margin-bottom: 5px; }
.cat em { font-style: normal; font-size: 13px; color: var(--ink3); }

/* ---------------- 商品网格 ---------------- */
.grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(216px, 1fr));
  gap: 20px; margin: 0 0 20px;
}
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 2px;
  overflow: hidden; display: flex; flex-direction: column;
  text-decoration: none; color: inherit;
  transition: border-color .16s ease;
}
.card:hover { border-color: var(--ink3); text-decoration: none; }
.thumb { aspect-ratio: 1 / 1; background: var(--line2); overflow: hidden; }
.thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.card:hover .thumb img { transform: scale(1.035); }
.cbody { padding: 13px 14px 15px; flex: 1; display: flex; flex-direction: column; justify-content: space-between; gap: 9px; }
.cname {
  font: 500 14.5px/1.45 var(--sans); margin: 0;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.cprice { font: 600 15.5px/1 var(--sans); color: var(--ink); font-variant-numeric: tabular-nums; }
.cprice span { font-weight: 400; font-size: 12.5px; color: var(--ink3); }

/* ---------------- 正文 ---------------- */
.prose { max-width: 74ch; }
.prose h2 {
  font: 600 23px/1.3 var(--serif); margin: 46px 0 14px;
  padding-bottom: 10px; border-bottom: 1px solid var(--line);
}
.prose h3 { font: 600 17.5px/1.4 var(--serif); margin: 30px 0 10px; }
.prose p { margin: 13px 0; color: #322d27; }
.prose ul, .prose ol { margin: 14px 0; padding-left: 22px; }
.prose li { margin: 8px 0; }
.plainlist { list-style: none; padding-left: 0; }
.plainlist li { padding-left: 20px; position: relative; }
.plainlist li::before {
  content: ""; position: absolute; left: 2px; top: 11px;
  width: 5px; height: 5px; background: var(--accent); border-radius: 50%;
}
.numlist { counter-reset: n; list-style: none; padding-left: 0; }
.numlist li { counter-increment: n; padding-left: 38px; position: relative; margin: 13px 0; }
.numlist li::before {
  content: counter(n); position: absolute; left: 0; top: 0;
  width: 25px; height: 25px; border-radius: 50%; background: var(--ink); color: #fff;
  font: 600 12.5px/25px var(--sans); text-align: center;
}
.fine { font-size: 13.5px; color: var(--ink3); line-height: 1.6; }

/* ---------------- 步骤 ---------------- */
.steps { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 22px 0; }
.step { background: var(--card); padding: 19px 21px; }
.step b { display: block; font: 600 16px/1.4 var(--serif); margin-bottom: 6px; color: var(--accent); }
.step p { margin: 0; font-size: 14.5px; color: var(--ink2); }

/* ---------------- FAQ ---------------- */
.faq { border-top: 1px solid var(--line); margin: 22px 0; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; padding: 15px 0; font: 600 16px/1.45 var(--serif);
  list-style: none; display: flex; justify-content: space-between; gap: 14px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 19px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq .a { padding: 0 0 17px; color: var(--ink2); font-size: 15px; max-width: 68ch; }

/* ---------------- 提示块 ---------------- */
.notice {
  background: var(--accent-soft); border-left: 3px solid var(--accent);
  padding: 15px 19px; margin: 24px 0; font-size: 14.5px; color: #4a3a34;
  border-radius: 2px;
}
.notice.blue { background: var(--green-soft); border-left-color: var(--green); color: #2b3f39; }

/* ---------------- 面包屑 ---------------- */
.crumb {
  font-size: 13.5px; color: var(--ink3); margin: 0 0 22px;
  display: flex; gap: 9px; flex-wrap: wrap; align-items: center;
}
.crumb a { color: var(--ink3); }
.crumb a:hover { color: var(--accent); }
.crumb span { color: var(--line); }

/* ---------------- 商品详情 ---------------- */
.pd {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 44px; align-items: start; margin-bottom: 40px;
  padding-bottom: 40px; border-bottom: 1px solid var(--line);
}
.pd-img { margin: 0; }
.pd-img img { width: 100%; border: 1px solid var(--line); border-radius: 2px; background: var(--card); }
.pd-img figcaption { font-size: 12.5px; color: var(--ink3); margin-top: 10px; line-height: 1.55; }
.pd-meta h1 {
  font: 600 clamp(22px, 2.9vw, 31px)/1.26 var(--serif);
  margin: 0 0 18px; letter-spacing: -.01em;
}
.priceblock { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 16px 0; margin-bottom: 20px; }
.priceblock .usd {
  font: 600 32px/1 var(--serif); color: var(--ink);
  font-variant-numeric: tabular-nums; display: flex; align-items: baseline; gap: 9px;
}
.priceblock .usd small { font: 400 12.5px/1 var(--sans); color: var(--ink3); }
.priceblock .cny { font-size: 14.5px; color: var(--ink2); margin-top: 7px; }
.priceblock .fine { margin: 9px 0 0; }

.buy {
  display: block; text-align: center; background: var(--accent); color: #fff;
  padding: 15px 24px; border-radius: 3px; font-weight: 600; font-size: 16px;
  text-decoration: none; margin-bottom: 10px;
}
.buy:hover { background: #611f26; text-decoration: none; }

.facts { margin: 24px 0 0; border-top: 1px solid var(--line); }
.facts > div { display: flex; justify-content: space-between; gap: 18px; padding: 10px 0; border-bottom: 1px solid var(--line2); font-size: 14.5px; }
.facts dt { color: var(--ink3); margin: 0; }
.facts dd { margin: 0; text-align: right; font-weight: 500; font-variant-numeric: tabular-nums; }
.facts dd a { text-decoration: underline; }

/* ---------------- 空状态 ---------------- */
.empty { text-align: center; padding: 74px 20px; }
.empty h1 { font: 600 30px/1.3 var(--serif); margin: 0 0 14px; }
.empty p { color: var(--ink2); max-width: 52ch; margin: 0 auto 16px; }
.empty .btns { justify-content: center; margin-top: 24px; }

/* ---------------- 页脚 ---------------- */
.ftr { background: var(--card); border-top: 1px solid var(--line); margin-top: 60px; }
.ftr-in {
  max-width: 1080px; margin: 0 auto; padding: 44px 24px 32px;
  display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 34px;
}
.ftr h4 {
  font: 600 12.5px/1 var(--sans); text-transform: uppercase; letter-spacing: .12em;
  color: var(--ink3); margin: 0 0 15px;
}
.ftr a { display: block; color: var(--ink2); font-size: 14px; margin-bottom: 9px; text-decoration: none; }
.ftr a:hover { color: var(--accent); }
.ftr-desc { color: var(--ink2); font-size: 14px; margin: 12px 0 0; max-width: 38ch; line-height: 1.65; }
.ftr-btm {
  max-width: 1080px; margin: 0 auto; padding: 18px 24px 30px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  font-size: 12.5px; color: var(--ink3);
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 900px) {
  .pd { grid-template-columns: 1fr; gap: 30px; }
  .ftr-in { grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 620px) {
  .wrap { padding: 24px 17px 70px; }
  .hdr-in { padding: 13px 17px; gap: 14px; }
  .nav { gap: 13px; font-size: 13px; order: 3; width: 100%; }
  .hdr-btn { margin-left: auto; }
  .hero { padding: 30px 0 30px; }
  .hero h1 { font-size: 29px; }
  .hero .lead { font-size: 16.5px; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 13px; }
  .cats { grid-template-columns: 1fr 1fr; }
  .ftr-in { grid-template-columns: 1fr; gap: 24px; padding: 34px 17px 24px; }
  .ftr-btm { padding: 16px 17px 26px; flex-direction: column; }
  .prose h2 { font-size: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}