@charset "utf-8";

/* ==========================================================================
   永赫商城 · 设计系统
   ========================================================================== */
:root {
  --brand: #0e7c66;
  --brand-dark: #0a5c4c;
  --brand-deep: #073e34;
  --brand-soft: #e8f4f0;
  --brand-tint: #f2faf7;
  --accent: #ff7247;
  --accent-soft: #fff0ea;
  --ink: #0f211c;
  --ink-2: #334d45;
  --muted: #6f8780;
  --line: #e2eae7;
  --line-soft: #eef3f1;
  --bg: #fbfcfb;
  --card: #ffffff;
  --radius-lg: 26px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 18px rgba(15, 33, 28, .05);
  --shadow-md: 0 20px 48px -24px rgba(15, 33, 28, .3);
  --shadow-lg: 0 38px 80px -34px rgba(7, 62, 52, .38);
  --font: "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

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

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
ul, ol { list-style: none; }
::selection { background: var(--brand); color: #fff; }

.container { width: min(1200px, calc(100% - 48px)); margin: 0 auto; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  transition: transform .3s var(--ease), background .3s, color .3s, box-shadow .3s, border-color .3s;
  white-space: nowrap;
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 14px 30px -14px rgba(14, 124, 102, .7); }
.btn-primary:hover { background: var(--brand-dark); transform: translateY(-2px); box-shadow: 0 20px 36px -14px rgba(14, 124, 102, .65); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #1c3a32; transform: translateY(-2px); }
.btn-ghost { border: 1px solid var(--line); background: #fff; color: var(--ink); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--brand-deep); }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; }
.btn-lg { padding: 16px 34px; font-size: 16px; }

.link-arrow { display: inline-flex; align-items: center; gap: 8px; color: var(--brand); font-weight: 600; }
.link-arrow svg { transition: transform .3s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- 顶部通栏 ---------- */
.topbar {
  background: var(--brand-deep);
  color: rgba(255, 255, 255, .82);
  font-size: 12.5px;
  letter-spacing: .02em;
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 38px; }
.topbar strong { color: #fff; font-weight: 700; letter-spacing: .06em; }
.topbar-links { display: flex; align-items: center; gap: 12px; }
.topbar-links a:hover { color: #fff; }
.topbar .dot { width: 3px; height: 3px; border-radius: 50%; background: rgba(255, 255, 255, .4); }

/* ---------- 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 252, 251, .88);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  border-bottom: 1px solid var(--line-soft);
}
.header-inner { display: flex; align-items: center; gap: 32px; height: 76px; }

.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-mark { width: 42px; height: 42px; flex-shrink: 0; }
.brand-mark svg { width: 100%; height: 100%; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text b { font-size: 19px; letter-spacing: .04em; font-weight: 700; }
.brand-text em { font-style: normal; font-size: 9.5px; letter-spacing: .28em; color: var(--muted); font-weight: 600; }

.main-nav { display: flex; align-items: center; gap: 4px; margin-right: auto; }
.main-nav a {
  position: relative;
  padding: 9px 15px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-2);
  transition: color .25s, background .25s;
}
.main-nav a:hover { color: var(--brand); background: var(--brand-soft); }
.main-nav a.active { color: var(--brand-dark); font-weight: 700; }
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brand);
  transform: translateX(-50%);
}

.header-actions { display: flex; align-items: center; gap: 10px; }
.search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 6px 0 16px;
  height: 42px;
  width: 230px;
  transition: border-color .25s, box-shadow .25s, width .3s var(--ease);
}
.search:focus-within { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(14, 124, 102, .09); width: 260px; }
.search svg { color: var(--muted); flex-shrink: 0; }
.search input { border: none; outline: none; background: none; width: 100%; font-size: 13.5px; }
.search input::placeholder { color: #9aaba5; }
.search button {
  width: 32px; height: 32px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand);
  flex-shrink: 0; transition: background .25s, color .25s;
}
.search button:hover { background: var(--brand); color: #fff; }

.icon-btn {
  position: relative;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  transition: border-color .25s, color .25s, transform .25s;
}
.icon-btn:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-1px); }
.cart-count {
  position: absolute;
  top: -3px; right: -3px;
  min-width: 19px; height: 19px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  line-height: 19px;
  text-align: center;
  border: 2px solid var(--bg);
}
.menu-btn { display: none; }

.mobile-nav { display: none; border-top: 1px solid var(--line-soft); background: #fff; padding: 10px 0 18px; }
body.nav-open .mobile-nav { display: block; }
body.nav-open .menu-btn { background: var(--brand-soft); color: var(--brand); border-color: transparent; }
.mobile-nav a { display: block; padding: 12px 4px; font-size: 15px; border-bottom: 1px solid var(--line-soft); }
.mobile-nav a:last-child { border-bottom: none; }
.mobile-search { display: flex; gap: 8px; margin-top: 10px; }
.mobile-search input { flex: 1; height: 44px; border: 1px solid var(--line); border-radius: 10px; padding: 0 14px; outline: none; }
.mobile-search input:focus { border-color: var(--brand); }

/* ---------- 首页 Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 56px 0 24px; }
.hero::before {
  content: "";
  position: absolute;
  width: 760px; height: 760px;
  right: -220px; top: -300px;
  background: radial-gradient(circle, rgba(14, 124, 102, .16), rgba(14, 124, 102, 0) 66%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  width: 480px; height: 480px;
  left: -240px; bottom: -260px;
  background: radial-gradient(circle, rgba(255, 114, 71, .12), rgba(255, 114, 71, 0) 68%);
  pointer-events: none;
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.04fr .96fr; gap: 56px; align-items: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12.5px; font-weight: 600; letter-spacing: .16em;
  color: var(--brand-dark); text-transform: uppercase;
  background: rgba(255, 255, 255, .8);
  border: 1px solid var(--line);
  padding: 7px 16px;
  border-radius: 999px;
}
.eyebrow i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

.hero h1 {
  margin: 22px 0 20px;
  font-size: clamp(38px, 4.6vw, 62px);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 800;
}
.hero h1 .accent { color: var(--brand); position: relative; white-space: nowrap; isolation: isolate; }
.hero h1 .accent::after {
  content: "";
  position: absolute;
  left: 2px; right: 2px; bottom: 6px;
  height: 10px;
  background: rgba(255, 114, 71, .22);
  border-radius: 4px;
  z-index: -1;
}
.hero-lead { max-width: 500px; color: var(--ink-2); font-size: 16px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-trust { display: flex; align-items: center; gap: 26px; margin-top: 40px; flex-wrap: wrap; }
.hero-trust .item { display: flex; align-items: center; gap: 9px; }
.hero-trust .item svg { color: var(--brand); }
.hero-trust b { font-size: 15px; }
.hero-trust span { font-size: 12.5px; color: var(--muted); }

.hero-visual { position: relative; }
.hero-media {
  position: relative;
  border-radius: 30px;
  overflow: hidden;
  aspect-ratio: 4 / 3.55;
  background: var(--brand-soft);
  box-shadow: var(--shadow-lg);
}
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7, 62, 52, 0) 55%, rgba(7, 62, 52, .28));
}
.hero-float {
  position: absolute;
  left: -26px; bottom: 34px;
  display: flex; align-items: center; gap: 13px;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, .7);
  border-radius: 16px;
  padding: 10px 18px 10px 10px;
  box-shadow: var(--shadow-md);
  animation: floatY 6s ease-in-out infinite;
}
.hero-float img { width: 54px; height: 54px; border-radius: 11px; object-fit: cover; align-self: flex-start; }
.hero-float .lbl { font-size: 11px; color: var(--muted); letter-spacing: .08em; }
.hero-float .nm { font-size: 13.5px; font-weight: 700; margin: 1px 0 2px; }
.hero-float .pr { font-size: 14px; font-weight: 800; color: var(--brand); }
.hero-badge {
  position: absolute;
  top: 26px; right: -14px;
  width: 92px; height: 92px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: grid; place-items: center;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
  box-shadow: 0 16px 30px -14px rgba(255, 114, 71, .8);
  transform: rotate(8deg);
}
.hero-badge b { display: block; font-size: 22px; letter-spacing: -.02em; }
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ---------- 服务承诺条 ---------- */
.promise-bar { border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); background: #fff; }
.promise-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.promise-item { display: flex; align-items: center; gap: 13px; padding: 24px 26px; border-left: 1px solid var(--line-soft); }
.promise-item:first-child { border-left: none; }
.promise-icon {
  width: 42px; height: 42px; flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand);
}
.promise-item b { display: block; font-size: 14.5px; }
.promise-item span { font-size: 12.5px; color: var(--muted); }

/* ---------- 区块标题 ---------- */
.section { padding: 78px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; margin-bottom: 38px; }
.section-tag { font-size: 12px; font-weight: 700; letter-spacing: .18em; color: var(--brand); text-transform: uppercase; margin-bottom: 10px; display: block; }
.section-head h2 { font-size: clamp(26px, 3vw, 36px); line-height: 1.25; letter-spacing: -.02em; font-weight: 800; }
.section-head p { color: var(--muted); margin-top: 10px; max-width: 560px; font-size: 14.5px; }
.section-head .head-side { flex-shrink: 0; padding-bottom: 4px; }

/* ---------- 分类卡 ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cat-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 3 / 3.8;
  background: var(--brand-soft);
  display: block;
  box-shadow: var(--shadow-sm);
}
.cat-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.cat-card::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7, 62, 52, 0) 38%, rgba(7, 62, 52, .82));
}
.cat-card:hover img { transform: scale(1.06); }
.cat-body { position: absolute; left: 0; right: 0; bottom: 0; padding: 22px; z-index: 2; color: #fff; }
.cat-body small { font-size: 11px; letter-spacing: .16em; opacity: .72; }
.cat-body h3 { font-size: 19px; margin: 5px 0 2px; font-weight: 700; }
.cat-body p { font-size: 12.5px; opacity: .78; display: flex; align-items: center; gap: 6px; }
.cat-body .go {
  position: absolute; right: 20px; bottom: 22px;
  width: 34px; height: 34px; border-radius: 50%;
  background: rgba(255, 255, 255, .18);
  border: 1px solid rgba(255, 255, 255, .35);
  display: grid; place-items: center;
  backdrop-filter: blur(6px);
  transition: background .3s, transform .3s;
}
.cat-card:hover .go { background: #fff; color: var(--brand-dark); transform: rotate(-45deg); }

/* ---------- 商品卡 ---------- */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.product-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }

.product-card {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .3s;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }

.pc-media { position: relative; aspect-ratio: 1; overflow: hidden; background: #f3f6f4; display: block; }
.pc-img-link { display: block; width: 100%; height: 100%; }
.pc-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.product-card:hover .pc-media img { transform: scale(1.055); }
.pc-badge {
  position: absolute; top: 12px; left: 12px;
  background: var(--brand-deep);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  padding: 4px 10px;
  border-radius: 999px;
}
.pc-badge.hot { background: var(--accent); }
.pc-quick {
  position: absolute;
  left: 12px; right: 12px; bottom: 12px;
  background: rgba(255, 255, 255, .94);
  border: 1px solid rgba(255, 255, 255, .8);
  backdrop-filter: blur(8px);
  color: var(--ink);
  border-radius: 10px;
  padding: 10px;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .3s, transform .3s, background .25s, color .25s;
}
.pc-quick:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
.product-card:hover .pc-quick { opacity: 1; transform: translateY(0); }

.pc-body { padding: 16px 17px 18px; display: flex; flex-direction: column; flex: 1; }
.pc-cat { font-size: 11px; color: var(--muted); letter-spacing: .1em; }
.pc-body h3 { font-size: 15.5px; font-weight: 700; margin: 5px 0 4px; line-height: 1.45; }
.pc-body h3 a:hover { color: var(--brand); }
.pc-sub { font-size: 12.5px; color: var(--muted); line-height: 1.6; margin-bottom: 8px; }
.pc-meta { display: flex; align-items: center; gap: 8px; font-size: 11.5px; color: var(--muted); margin-bottom: 12px; }
.stars { display: inline-flex; gap: 1.5px; color: #f5a623; letter-spacing: -1px; font-size: 11px; }
.pc-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.price { font-size: 19px; font-weight: 800; color: var(--ink); letter-spacing: -.01em; }
.price small { font-size: 12px; font-weight: 700; margin-right: 1px; }
.old-price { font-size: 12px; color: #a5b5af; text-decoration: line-through; margin-left: 5px; }
.pc-add {
  width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--brand-soft);
  color: var(--brand-dark);
  transition: background .25s, color .25s, transform .25s;
}
.pc-add:hover { background: var(--brand); color: #fff; transform: rotate(90deg); }

/* ---------- 品牌理念 ---------- */
.story { background: var(--brand-deep); color: #fff; border-radius: 34px; overflow: hidden; }
.story-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: stretch; }
.story-media { position: relative; min-height: 460px; }
.story-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.story-body { padding: 60px 58px; }
.story-body .section-tag { color: #7fd3bd; }
.story-body h2 { font-size: clamp(26px, 2.7vw, 34px); line-height: 1.3; letter-spacing: -.02em; margin-bottom: 18px; }
.story-body p { color: rgba(255, 255, 255, .72); font-size: 14.5px; line-height: 1.9; }
.story-points { display: grid; gap: 14px; margin-top: 26px; }
.story-point { display: flex; gap: 12px; align-items: flex-start; }
.story-point svg { flex-shrink: 0; margin-top: 3px; color: #7fd3bd; }
.story-point b { display: block; font-size: 14px; }
.story-point span { font-size: 12.5px; color: rgba(255, 255, 255, .6); }
.story-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255, 255, 255, .12); margin-top: 32px; border-radius: 14px; overflow: hidden; }
.story-stat { background: var(--brand-deep); padding: 18px 14px; text-align: center; }
.story-stat b { display: block; font-size: 24px; letter-spacing: -.02em; }
.story-stat span { font-size: 11.5px; color: rgba(255, 255, 255, .58); }
.stats-light .story-stat span { color: var(--muted); }
.stats-light .story-stat b { color: var(--brand-dark); }

/* ---------- 用户评价 ---------- */
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.review-card {
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform .4s var(--ease), box-shadow .4s;
}
.review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.review-top { display: flex; align-items: center; justify-content: space-between; }
.review-user { display: flex; align-items: center; gap: 11px; }
.avatar {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-weight: 700;
  font-size: 14px;
}
.review-user b { display: block; font-size: 13.5px; }
.review-user span { font-size: 11.5px; color: var(--muted); }
.review-card blockquote { font-size: 14px; color: var(--ink-2); line-height: 1.85; }
.review-bought { font-size: 11.5px; color: var(--muted); border-top: 1px dashed var(--line); padding-top: 12px; margin-top: auto; }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  border-radius: 30px;
  background: linear-gradient(120deg, #e8f4f0, #f6fbf4 55%, #fff1ea);
  border: 1px solid #dfeee8;
  padding: 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 36px;
}
.cta-band::after {
  content: "";
  position: absolute; right: -80px; top: -80px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 124, 102, .16), transparent 65%);
}
.cta-band h2 { font-size: clamp(24px, 2.6vw, 32px); letter-spacing: -.02em; margin-bottom: 8px; }
.cta-band p { color: var(--ink-2); font-size: 14.5px; }
.cta-band p code {
  background: #fff; border: 1px dashed var(--brand); color: var(--brand-dark);
  padding: 2px 9px; border-radius: 6px; font-family: inherit; font-weight: 700; letter-spacing: .08em;
}
.cta-actions { display: flex; gap: 12px; flex-shrink: 0; position: relative; z-index: 1; }

/* ---------- 页脚 ---------- */
.site-footer { margin-top: 84px; background: #0d1c18; color: rgba(255, 255, 255, .62); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding: 62px 0 46px;
}
.footer-brand .brand { margin-bottom: 18px; }
.footer-brand .brand-text b { color: #fff; }
.footer-brand .brand-text em { color: rgba(255, 255, 255, .4); }
.footer-brand p { font-size: 13px; line-height: 1.9; max-width: 330px; }
.footer-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.footer-tags span {
  font-size: 11.5px;
  border: 1px solid rgba(255, 255, 255, .16);
  color: rgba(255, 255, 255, .7);
  padding: 4px 10px;
  border-radius: 999px;
}
.footer-col h4 { color: #fff; font-size: 13.5px; letter-spacing: .04em; margin-bottom: 18px; font-weight: 600; }
.footer-col li { margin-bottom: 11px; font-size: 13px; }
.footer-col a:hover { color: #fff; }
.footer-col .contact-item { display: flex; gap: 9px; align-items: flex-start; font-size: 12.5px; line-height: 1.7; }
.footer-col .contact-item svg { flex-shrink: 0; margin-top: 3px; color: #7fd3bd; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 22px 0 30px;
  display: flex; flex-wrap: wrap; gap: 10px 26px;
  align-items: center; justify-content: space-between;
  font-size: 12px; color: rgba(255, 255, 255, .45);
}
.footer-bottom a:hover { color: #fff; }

/* ---------- 内页页头 ---------- */
.page-hero {
  position: relative;
  padding: 42px 0 46px;
  background: linear-gradient(180deg, #f2faf7, var(--bg));
  border-bottom: 1px solid var(--line-soft);
}
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 12.5px; color: var(--muted); margin-bottom: 18px; }
.crumbs a:hover { color: var(--brand); }
.crumbs .sep { opacity: .55; }
.crumbs .now { color: var(--ink-2); }
.page-hero h1 { font-size: clamp(28px, 3.4vw, 40px); letter-spacing: -.02em; line-height: 1.25; margin-bottom: 10px; }
.page-hero p { color: var(--ink-2); max-width: 620px; font-size: 14.5px; }
.page-hero .hero-stats { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 22px; font-size: 12.5px; color: var(--muted); }
.page-hero .hero-stats b { color: var(--brand-dark); }

/* ---------- 商品列表 ---------- */
.shop-layout { display: grid; grid-template-columns: 244px 1fr; gap: 44px; align-items: start; padding: 44px 0 0; }
.filters { position: sticky; top: 94px; }
.filter-block { border-bottom: 1px solid var(--line); padding: 0 0 22px; margin-bottom: 22px; }
.filter-block:last-child { border-bottom: none; }
.filter-block h4 { font-size: 13px; letter-spacing: .06em; margin-bottom: 14px; }
.filter-list li { margin-bottom: 2px; }
.filter-list a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 10px; border-radius: 8px;
  font-size: 13.5px; color: var(--ink-2);
  transition: background .2s, color .2s;
}
.filter-list a:hover { background: var(--brand-tint); color: var(--brand-dark); }
.filter-list a.active { background: var(--brand-soft); color: var(--brand-dark); font-weight: 700; }
.filter-list a em { font-style: normal; font-size: 11.5px; color: var(--muted); }
.filter-list a.active em { color: var(--brand); }
.price-checks { display: grid; gap: 4px; }
.price-checks label {
  display: flex; align-items: center; gap: 9px;
  font-size: 13.5px; color: var(--ink-2);
  padding: 7px 10px; border-radius: 8px; cursor: pointer;
}
.price-checks label:hover { background: var(--brand-tint); }
.price-checks input { accent-color: var(--brand); width: 15px; height: 15px; }
.filter-note { background: var(--brand-tint); border: 1px solid #dcece6; border-radius: 12px; padding: 14px 16px; font-size: 12.5px; color: var(--ink-2); line-height: 1.75; }

.shop-main { min-width: 0; }
.shop-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding-bottom: 18px; margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.result-count { font-size: 13.5px; color: var(--muted); }
.result-count b { color: var(--ink); font-size: 15px; }
.sort-select {
  display: flex; align-items: center; gap: 9px;
  font-size: 13px; color: var(--muted);
}
.sort-select select {
  height: 40px; border: 1px solid var(--line); background: #fff; border-radius: 10px;
  padding: 0 34px 0 14px; font-size: 13.5px; color: var(--ink);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236f8780' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
  cursor: pointer;
  outline: none;
}
.sort-select select:focus { border-color: var(--brand); }
.search-chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--brand-soft); color: var(--brand-dark);
  border-radius: 999px; padding: 5px 8px 5px 14px;
  font-size: 12.5px; margin-bottom: 20px;
}
.search-chip button { width: 20px; height: 20px; border-radius: 50%; background: rgba(14, 124, 102, .15); display: grid; place-items: center; font-size: 13px; }

/* ---------- 商品详情 ---------- */
.detail-section { padding: 34px 0 0; }
.detail-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 56px; align-items: start; }
.gallery-main {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1;
  background: #f2f6f4;
  border: 1px solid var(--line-soft);
}
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 12px; }
.gallery-thumb {
  border-radius: 12px; overflow: hidden; aspect-ratio: 1;
  border: 2px solid transparent; background: #f2f6f4; padding: 0;
  transition: border-color .25s, transform .25s;
}
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumb:hover { transform: translateY(-2px); }
.gallery-thumb.active { border-color: var(--brand); }
.gallery-note { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); margin-top: 14px; }

.detail-info .pc-cat { font-size: 11.5px; letter-spacing: .14em; color: var(--brand); font-weight: 700; }
.detail-info h1 { font-size: clamp(24px, 2.8vw, 33px); line-height: 1.3; letter-spacing: -.02em; margin: 10px 0 8px; }
.detail-sub { color: var(--muted); font-size: 14px; }
.detail-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin: 16px 0 20px; font-size: 12.5px; color: var(--muted); }
.detail-meta .stars { font-size: 12px; }
.detail-meta .score { color: var(--ink); font-weight: 700; }
.price-box {
  background: linear-gradient(120deg, var(--brand-tint), #fff);
  border: 1px solid #dfeee8;
  border-radius: 16px;
  padding: 20px 22px;
  display: flex; align-items: flex-end; flex-wrap: wrap; gap: 8px 14px;
}
.price-box .now { font-size: 36px; font-weight: 800; color: var(--brand-dark); letter-spacing: -.03em; line-height: 1; }
.price-box .now small { font-size: 16px; margin-right: 2px; }
.price-box .old { font-size: 13px; color: #9db0aa; text-decoration: line-through; }
.price-box .save { margin-left: auto; background: var(--accent-soft); color: #d1522a; font-size: 12px; font-weight: 700; padding: 5px 11px; border-radius: 999px; }
.price-box .tax { width: 100%; font-size: 11.5px; color: var(--muted); }

.highlights { margin: 24px 0 6px; display: grid; gap: 11px; }
.highlights li { display: flex; align-items: flex-start; gap: 10px; font-size: 13.5px; color: var(--ink-2); }
.highlights svg { flex-shrink: 0; margin-top: 3px; color: var(--brand); }
.highlights b { color: var(--ink); }

.service-row { display: flex; flex-wrap: wrap; gap: 10px; padding: 18px 0; border-top: 1px dashed var(--line); border-bottom: 1px dashed var(--line); margin: 18px 0; }
.service-chip { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-2); background: #f4f8f6; padding: 5px 11px; border-radius: 999px; }
.service-chip svg { color: var(--brand); }

.buy-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 6px; }
.qty { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 999px; height: 48px; overflow: hidden; background: #fff; }
.qty button { width: 44px; height: 100%; display: grid; place-items: center; font-size: 17px; color: var(--ink-2); transition: background .2s, color .2s; }
.qty button:hover { background: var(--brand-soft); color: var(--brand); }
.qty input { width: 42px; height: 100%; border: none; outline: none; text-align: center; font-weight: 700; font-size: 14px; background: transparent; }
.buy-row .btn { flex: 1; min-width: 140px; height: 48px; }
.stock-note { font-size: 12px; color: var(--muted); margin-top: 14px; display: flex; align-items: center; gap: 7px; }
.stock-note i { width: 6px; height: 6px; border-radius: 50%; background: #2fb37f; display: inline-block; }

/* Tabs */
.detail-tabs { margin-top: 66px; border-top: 1px solid var(--line); }
.tab-nav { display: flex; gap: 8px; border-bottom: 1px solid var(--line); }
.tab-btn {
  position: relative;
  padding: 20px 22px;
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  transition: color .25s;
}
.tab-btn::after {
  content: ""; position: absolute; left: 20px; right: 20px; bottom: -1px; height: 2px;
  background: var(--brand); transform: scaleX(0); transition: transform .3s var(--ease);
}
.tab-btn:hover { color: var(--ink); }
.tab-btn.active { color: var(--brand-dark); }
.tab-btn.active::after { transform: scaleX(1); }
.tab-panel { display: none; padding: 34px 0 10px; }
.tab-panel.active { display: block; animation: fadeUp .45s var(--ease); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.detail-copy { max-width: 820px; }
.detail-copy h3 { font-size: 19px; margin: 0 0 14px; letter-spacing: -.01em; }
.detail-copy h3:not(:first-child) { margin-top: 30px; }
.detail-copy p { color: var(--ink-2); font-size: 14.5px; line-height: 2; margin-bottom: 14px; }
.detail-copy figure { margin: 24px 0; border-radius: var(--radius); overflow: hidden; background: #f2f6f4; }
.detail-copy figure img { width: 100%; aspect-ratio: 16 / 8; object-fit: cover; }
.detail-copy figcaption { font-size: 12px; color: var(--muted); padding: 11px 16px; background: #fff; border-top: 1px solid var(--line-soft); }

.spec-table { width: 100%; border-collapse: collapse; max-width: 780px; font-size: 13.5px; }
.spec-table tr { border-bottom: 1px solid var(--line-soft); }
.spec-table th {
  width: 160px; text-align: left; padding: 14px 18px;
  background: #f7faf9; color: var(--muted); font-weight: 500;
  border-radius: 6px 0 0 6px;
}
.spec-table td { padding: 14px 18px; color: var(--ink); }
.spec-table tr:first-child th { border-radius: 8px 0 0 0; }

.review-list { display: grid; gap: 16px; max-width: 820px; }
.review-item { border: 1px solid var(--line-soft); border-radius: 14px; padding: 20px 22px; background: #fff; }
.review-item .head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; flex-wrap: wrap; }
.review-item .head b { font-size: 13.5px; }
.review-item .head time { margin-left: auto; font-size: 11.5px; color: var(--muted); }
.review-item p { font-size: 13.5px; color: var(--ink-2); }
.review-item .sku { font-size: 11.5px; color: var(--muted); margin-top: 8px; }
.rating-summary { display: flex; align-items: center; gap: 22px; margin-bottom: 24px; background: #f7faf9; border-radius: 14px; padding: 20px 24px; max-width: 420px; }
.rating-summary .num { font-size: 42px; font-weight: 800; line-height: 1; letter-spacing: -.03em; }
.rating-summary span { font-size: 12px; color: var(--muted); display: block; margin-top: 5px; }

.related { padding-top: 56px; }

/* ---------- 购物车 ---------- */
.steps { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.step { display: flex; align-items: center; gap: 9px; font-size: 13px; color: var(--muted); }
.step .n {
  width: 26px; height: 26px; border-radius: 50%;
  display: grid; place-items: center;
  background: #eef3f1; color: var(--muted);
  font-size: 12px; font-weight: 700;
}
.step.done .n { background: var(--brand-soft); color: var(--brand); }
.step.active { color: var(--ink); font-weight: 700; }
.step.active .n { background: var(--brand); color: #fff; }
.step-line { width: 34px; height: 1px; background: var(--line); }

.cart-layout { display: grid; grid-template-columns: 1fr 356px; gap: 40px; align-items: start; padding: 34px 0 0; }
.cart-list { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.cart-head { display: grid; grid-template-columns: 1fr 120px 150px 90px 40px; gap: 12px; padding: 15px 22px; background: #f7faf9; font-size: 12px; color: var(--muted); border-bottom: 1px solid var(--line); }
.cart-row { display: grid; grid-template-columns: 1fr 120px 150px 90px 40px; gap: 12px; padding: 20px 22px; align-items: center; border-bottom: 1px solid var(--line-soft); }
.cart-row:last-child { border-bottom: none; }
.cart-prod { display: flex; align-items: center; gap: 14px; min-width: 0; }
.cart-prod img { width: 82px; height: 82px; border-radius: 12px; object-fit: cover; background: #f2f6f4; flex-shrink: 0; }
.cart-prod .info { min-width: 0; }
.cart-prod .info b { display: block; font-size: 14px; line-height: 1.5; }
.cart-prod .info b:hover { color: var(--brand); }
.cart-prod .info span { font-size: 11.5px; color: var(--muted); }
.cart-prod .info button { font-size: 11.5px; color: var(--muted); text-decoration: underline; margin-top: 6px; }
.cart-prod .info button:hover { color: var(--accent); }
.cart-price { font-size: 14px; color: var(--ink-2); }
.cart-price small { font-size: 11px; }
.cart-sub { font-weight: 800; font-size: 15px; }
.qty-sm { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 999px; height: 36px; background: #fff; }
.qty-sm button { width: 32px; height: 100%; display: grid; place-items: center; color: var(--ink-2); }
.qty-sm button:hover { color: var(--brand); }
.qty-sm span { width: 34px; text-align: center; font-size: 13px; font-weight: 700; }
.cart-del { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; color: #a5b5af; transition: background .2s, color .2s; }
.cart-del:hover { background: var(--accent-soft); color: var(--accent); }

.cart-tools { display: flex; align-items: center; justify-content: space-between; margin-top: 18px; gap: 14px; flex-wrap: wrap; }
.cart-tools .continue { font-size: 13px; color: var(--muted); display: inline-flex; align-items: center; gap: 7px; }
.cart-tools .continue:hover { color: var(--brand); }
.cart-tools button.clear { font-size: 12.5px; color: var(--muted); }
.cart-tools button.clear:hover { color: var(--accent); }

.summary {
  position: sticky; top: 94px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
}
.summary h3 { font-size: 17px; margin-bottom: 20px; }
.promo { display: flex; gap: 8px; margin-bottom: 6px; }
.promo input {
  flex: 1; min-width: 0; height: 42px;
  border: 1px solid var(--line); border-radius: 9px;
  padding: 0 13px; outline: none; font-size: 13px;
}
.promo input:focus { border-color: var(--brand); }
.promo button { height: 42px; padding: 0 16px; border-radius: 9px; background: var(--brand-soft); color: var(--brand-dark); font-size: 13px; font-weight: 600; }
.promo button:hover { background: var(--brand); color: #fff; }
.promo-msg { font-size: 12px; min-height: 20px; color: var(--brand); }
.promo-msg.err { color: #d1522a; }
.sum-lines { border-top: 1px solid var(--line-soft); margin-top: 12px; padding-top: 16px; display: grid; gap: 12px; }
.sum-line { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--muted); }
.sum-line b { color: var(--ink); font-weight: 600; }
.sum-line.discount b { color: var(--accent); }
.sum-total { border-top: 1px solid var(--line); margin-top: 16px; padding-top: 18px; display: flex; align-items: flex-end; justify-content: space-between; }
.sum-total span { font-size: 13px; color: var(--ink-2); }
.sum-total b { font-size: 28px; letter-spacing: -.02em; color: var(--brand-dark); line-height: 1; }
.summary .btn { margin-top: 18px; }
.summary-note { font-size: 11.5px; color: var(--muted); text-align: center; margin-top: 12px; line-height: 1.7; }

/* ---------- 结算 ---------- */
.checkout-layout { display: grid; grid-template-columns: 1fr 380px; gap: 40px; align-items: start; padding: 34px 0 0; }
.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; margin-bottom: 20px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 20px; }
.panel-head h3 { font-size: 17px; }
.panel-head span { font-size: 12px; color: var(--muted); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 12.5px; color: var(--ink-2); font-weight: 500; }
.field label em { color: var(--accent); font-style: normal; }
.field input, .field textarea {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 13.5px;
  outline: none;
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 76px; }
.field input:focus, .field textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(14, 124, 102, .08); }
.field input.invalid, .field textarea.invalid { border-color: var(--accent); }
.field .err { font-size: 11.5px; color: #d1522a; min-height: 0; display: none; }
.field .err.show { display: block; }
.err { font-size: 11.5px; color: #d1522a; display: none; margin-top: 6px; }
.err.show { display: block; }
.agree {
  display: flex; align-items: flex-start; gap: 9px;
  margin-top: 18px;
  font-size: 12.5px; color: var(--ink-2); line-height: 1.7;
  cursor: pointer;
}
.agree input { accent-color: var(--brand); width: 15px; height: 15px; margin-top: 3px; flex-shrink: 0; }
.agree a { color: var(--brand); text-decoration: underline; }
.region-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }

.option-list { display: grid; gap: 10px; }
.option {
  display: flex; align-items: center; gap: 13px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.option:hover { border-color: #bcd8cf; }
.option input { accent-color: var(--brand); width: 16px; height: 16px; flex-shrink: 0; }
.option-body { flex: 1; min-width: 0; }
.option-body b { display: block; font-size: 13.5px; }
.option-body span { font-size: 11.5px; color: var(--muted); }
.option .fee { font-size: 13px; font-weight: 700; color: var(--ink); }
.option.checked { border-color: var(--brand); background: var(--brand-tint); box-shadow: 0 0 0 1px var(--brand); }
.pay-icon {
  width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center;
  font-size: 12px; font-weight: 800; color: #fff;
  flex-shrink: 0;
}
.pay-icon.alipay { background: #1677ff; }
.pay-icon.wechat { background: #22b573; }
.pay-icon.card { background: linear-gradient(135deg, #2c3e50, #5a7285); font-size: 10px; letter-spacing: .04em; }

.order-items { display: grid; gap: 14px; max-height: 300px; overflow-y: auto; padding-right: 4px; margin-bottom: 18px; }
.order-item { display: flex; gap: 12px; align-items: center; }
.order-item img { width: 58px; height: 58px; border-radius: 10px; object-fit: cover; background: #f2f6f4; flex-shrink: 0; }
.order-item .oi-body { flex: 1; min-width: 0; }
.order-item .oi-body b { display: block; font-size: 12.5px; line-height: 1.45; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.order-item .oi-body span { font-size: 11px; color: var(--muted); }
.order-item .oi-price { font-size: 12.5px; font-weight: 700; white-space: nowrap; }

.checkout-note { font-size: 11.5px; color: var(--muted); line-height: 1.8; margin-top: 12px; }
.checkout-note a { color: var(--brand); text-decoration: underline; }
.mobile-sum-toggle { display: none; }

/* ---------- 空状态 ---------- */
.empty {
  text-align: center;
  padding: 72px 20px;
  background: #fff;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}
.empty .icon {
  width: 76px; height: 76px; margin: 0 auto 20px;
  border-radius: 50%; background: var(--brand-tint);
  display: grid; place-items: center; color: var(--brand);
}
.empty h3 { font-size: 19px; margin-bottom: 8px; }
.empty p { color: var(--muted); font-size: 13.5px; margin-bottom: 24px; }

/* ---------- 支付弹窗 ---------- */
.modal {
  position: fixed; inset: 0; z-index: 300;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  background: rgba(7, 30, 25, .55);
  backdrop-filter: blur(6px);
  opacity: 0; visibility: hidden;
  transition: opacity .3s, visibility .3s;
}
.modal.open { opacity: 1; visibility: visible; }
.modal-card {
  width: min(440px, 100%);
  background: #fff;
  border-radius: 22px;
  padding: 34px 32px 30px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  transform: translateY(16px) scale(.98);
  transition: transform .4s var(--ease);
}
.modal.open .modal-card { transform: translateY(0) scale(1); }
.modal-card h3 { font-size: 19px; margin-bottom: 6px; }
.modal-card .sub { font-size: 12.5px; color: var(--muted); }
.pay-amount { font-size: 40px; font-weight: 800; letter-spacing: -.03em; color: var(--brand-dark); margin: 14px 0 4px; }
.pay-amount small { font-size: 17px; margin-right: 2px; }
.spinner {
  width: 62px; height: 62px; margin: 28px auto 22px;
  border-radius: 50%;
  border: 3px solid var(--brand-soft);
  border-top-color: var(--brand);
  animation: spin .85s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.pay-stage-text { font-size: 13.5px; color: var(--ink-2); }
.pay-stages { display: flex; justify-content: center; gap: 18px; margin-top: 18px; font-size: 11.5px; color: #a5b5af; }
.pay-stages span.done { color: var(--brand); }
.success-check { width: 76px; height: 76px; margin: 8px auto 20px; }
.success-check circle { fill: none; stroke: var(--brand); stroke-width: 3; stroke-dasharray: 220; stroke-dashoffset: 220; animation: draw 0.7s var(--ease) forwards; }
.success-check path { fill: none; stroke: var(--brand); stroke-width: 4.5; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 50; stroke-dashoffset: 50; animation: draw 0.45s .55s var(--ease) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.order-no {
  margin: 16px 0 20px;
  background: #f7faf9;
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 11px;
  font-size: 12.5px;
  color: var(--muted);
}
.order-no b { color: var(--ink); letter-spacing: .04em; }
.modal-actions { display: flex; gap: 10px; margin-top: 18px; }
.modal-actions .btn { flex: 1; }

/* ---------- Toast ---------- */
.toast-wrap { position: fixed; left: 50%; bottom: 34px; transform: translateX(-50%); z-index: 400; display: grid; gap: 8px; justify-items: center; pointer-events: none; }
.toast {
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(13, 35, 29, .94);
  color: #fff;
  font-size: 13px;
  padding: 11px 20px;
  border-radius: 999px;
  box-shadow: var(--shadow-md);
  animation: toastIn .35s var(--ease);
  backdrop-filter: blur(8px);
}
.toast.out { animation: toastOut .3s var(--ease) forwards; }
@keyframes toastIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { to { opacity: 0; transform: translateY(8px); } }

/* ---------- 关于我们 / 条款 ---------- */
.about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.about-media { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4 / 3.4; background: #f2f6f4; box-shadow: var(--shadow-md); }
.about-media img { width: 100%; height: 100%; object-fit: cover; }
.about-copy h2 { font-size: clamp(24px, 2.8vw, 32px); line-height: 1.35; letter-spacing: -.02em; margin-bottom: 16px; }
.about-copy p { color: var(--ink-2); font-size: 14.5px; line-height: 2; margin-bottom: 14px; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.value-card { background: #fff; border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 28px 24px; }
.value-card .ic { width: 46px; height: 46px; border-radius: 13px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; margin-bottom: 16px; }
.value-card h3 { font-size: 16px; margin-bottom: 7px; }
.value-card p { font-size: 13px; color: var(--muted); line-height: 1.85; }
.info-table { width: 100%; border-collapse: collapse; font-size: 13.5px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.info-table th, .info-table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.info-table th { width: 190px; color: var(--muted); font-weight: 500; background: #f7faf9; }
.info-table tr:last-child th, .info-table tr:last-child td { border-bottom: none; }

.legal-layout { display: grid; grid-template-columns: 220px 1fr; gap: 52px; align-items: start; padding: 44px 0 0; }
.legal-nav { position: sticky; top: 94px; }
.legal-nav h4 { font-size: 12px; letter-spacing: .1em; color: var(--muted); margin-bottom: 12px; }
.legal-nav a { display: block; font-size: 13.5px; color: var(--ink-2); padding: 8px 12px; border-radius: 8px; border-left: 2px solid transparent; }
.legal-nav a:hover { background: var(--brand-tint); color: var(--brand-dark); }
.legal-nav a.active { color: var(--brand-dark); font-weight: 700; border-left-color: var(--brand); background: var(--brand-tint); }
.legal-body { max-width: 820px; }
.legal-body .updated { font-size: 12.5px; color: var(--muted); margin-bottom: 26px; }
.legal-body section { margin-bottom: 34px; scroll-margin-top: 100px; }
.legal-body h2 { font-size: 19px; margin-bottom: 12px; letter-spacing: -.01em; }
.legal-body h3 { font-size: 15px; margin: 18px 0 8px; }
.legal-body p { color: var(--ink-2); font-size: 14px; line-height: 2; margin-bottom: 10px; }
.legal-body ul { margin: 8px 0 12px 2px; }
.legal-body li { color: var(--ink-2); font-size: 14px; line-height: 1.95; padding-left: 16px; position: relative; }
.legal-body li::before { content: ""; position: absolute; left: 2px; top: 11px; width: 5px; height: 5px; border-radius: 50%; background: var(--brand); opacity: .6; }
.legal-body .notice { background: var(--brand-tint); border-left: 3px solid var(--brand); border-radius: 0 10px 10px 0; padding: 14px 18px; font-size: 13px; color: var(--ink-2); line-height: 1.85; margin: 14px 0 20px; }
.contact-card { display: grid; gap: 12px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; }
.contact-card div { display: flex; gap: 10px; font-size: 13px; color: var(--ink-2); }
.contact-card svg { flex-shrink: 0; margin-top: 3px; color: var(--brand); }

/* ---------- 动效 ---------- */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.in { opacity: 1; transform: translateY(0); }
.js .reveal.d1 { transition-delay: .08s; }
.js .reveal.d2 { transition-delay: .16s; }
.js .reveal.d3 { transition-delay: .24s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .main-nav { display: none; }
  .menu-btn { display: grid; }
  .search { width: 190px; }
  .search:focus-within { width: 210px; }
  .hero-grid { gap: 40px; }
  .hero-badge { right: 0; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-card { aspect-ratio: 3 / 2.9; }
  .cart-layout { grid-template-columns: 1fr 320px; gap: 28px; }
  .detail-grid { gap: 36px; }
  .story-body { padding: 44px 38px; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; gap: 36px; }
  .footer-grid .footer-col:last-child { grid-column: 1 / -1; }
  .legal-layout { grid-template-columns: 180px 1fr; gap: 34px; }
}

@media (max-width: 900px) {
  .topbar-links { display: none; }
  .header-inner { height: 66px; gap: 16px; }
  .header-actions .search { display: none; }
  .brand-text b { font-size: 17px; }
  .hero { padding-top: 36px; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-visual { max-width: 560px; }
  .hero-float { left: 12px; bottom: 16px; }
  .hero-badge { top: 16px; right: 12px; width: 78px; height: 78px; font-size: 10.5px; }
  .hero-badge b { font-size: 18px; }
  .promise-grid { grid-template-columns: repeat(2, 1fr); }
  .promise-item:nth-child(3) { border-left: none; }
  .promise-item:nth-child(n+3) { border-top: 1px solid var(--line-soft); }
  .section { padding: 58px 0; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .product-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .review-grid { grid-template-columns: 1fr; }
  .story-grid { grid-template-columns: 1fr; }
  .story-media { min-height: 300px; }
  .cta-band { flex-direction: column; align-items: flex-start; padding: 36px 30px; }
  .shop-layout { grid-template-columns: 1fr; gap: 24px; padding-top: 28px; }
  .filters { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; background: #fff; }
  .filter-block { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
  .filter-block .filter-note { display: none; }
  .detail-grid { grid-template-columns: 1fr; }
  .gallery-main { max-width: 560px; }
  .detail-tabs { margin-top: 44px; }
  .cart-layout { grid-template-columns: 1fr; }
  .summary { position: static; }
  .cart-head { display: none; }
  .cart-row { grid-template-columns: 1fr auto; grid-template-areas: "prod del" "price qty"; gap: 14px 10px; }
  .cart-prod { grid-area: prod; }
  .cart-price { grid-area: price; }
  .cart-qty { grid-area: qty; justify-self: end; }
  .cart-sub { display: none; }
  .cart-del { grid-area: del; justify-self: end; }
  .checkout-layout { grid-template-columns: 1fr; }
  .checkout-layout .summary { order: -1; }
  .about-grid { grid-template-columns: 1fr; gap: 30px; }
  .value-grid { grid-template-columns: 1fr; }
  .legal-layout { grid-template-columns: 1fr; }
  .legal-nav { position: static; display: flex; flex-wrap: wrap; gap: 6px; }
  .legal-nav h4 { width: 100%; }
  .legal-nav a { border-left: none; background: #f7faf9; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; padding: 44px 0 34px; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  .container { width: calc(100% - 32px); }
  .topbar-inner { height: 34px; font-size: 11.5px; }
  .topbar-inner span:first-child strong { display: none; }
  .brand-mark { width: 36px; height: 36px; }
  .brand-text em { font-size: 8px; letter-spacing: .2em; }
  .icon-btn { width: 40px; height: 40px; }
  .hero h1 { font-size: clamp(32px, 9vw, 42px); }
  .hero-trust { gap: 16px; margin-top: 30px; }
  .hero-actions .btn { flex: 1; }
  .hero-media { aspect-ratio: 4 / 4.2; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .cat-grid { gap: 12px; }
  .cat-body { padding: 16px; }
  .cat-body h3 { font-size: 16px; }
  .cat-body .go { display: none; }
  .product-grid { gap: 12px; }
  .pc-body { padding: 12px 13px 14px; }
  .pc-body h3 { font-size: 14px; }
  .pc-sub { display: none; }
  .pc-quick { display: none; }
  .price { font-size: 17px; }
  .pc-meta { margin-bottom: 10px; }
  .story-body { padding: 34px 24px; }
  .story-stats { grid-template-columns: 1fr; }
  .cta-actions { flex-direction: column; width: 100%; }
  .cta-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
  .shop-toolbar { flex-direction: column; align-items: flex-start; }
  .filters { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .region-row { grid-template-columns: 1fr; }
  .panel { padding: 22px 18px; }
  .summary { padding: 22px 18px; }
  .gallery-thumbs { gap: 8px; }
  .buy-row .btn { min-width: 0; }
  .buy-row .qty { height: 44px; }
  .tab-btn { padding: 16px 12px; font-size: 14px; }
  .rating-summary { padding: 16px; }
  .about-media { aspect-ratio: 4 / 3.6; }
  .modal-card { padding: 28px 22px 24px; }
  .pay-amount { font-size: 34px; }
  .filters.is-collapsed { display: none; }
}