/* ================= 基础与变量 ================= */
:root {
  --ink: #16233a;
  --ink-2: #45566f;
  --ink-3: #7a899e;
  --line: #e3e9f2;
  --line-2: #eef2f8;
  --bg: #f4f7fb;
  --bg-soft: #eef3fa;
  --white: #ffffff;
  --primary: #1257a8;
  --primary-d: #0d3f7d;
  --primary-l: #e9f1fb;
  --primary-ll: #f4f8fd;
  --accent: #0f8a7d;
  --accent-l: #e6f5f2;
  --warn: #b46a12;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(18, 40, 74, 0.05);
  --shadow: 0 6px 20px rgba(18, 40, 74, 0.07);
  --shadow-lg: 0 14px 38px rgba(18, 40, 74, 0.11);
  --wrap: 1200px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; line-height: 1.35; }
p { margin: 0 0 12px; }
ul { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
svg { width: 100%; height: 100%; display: block; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

/* ================= 通用元件 ================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 11px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}
.btn:hover { border-color: #c6d5e8; box-shadow: var(--shadow-sm); }
.btn--primary {
  background: linear-gradient(180deg, #1a67bd, var(--primary));
  border-color: var(--primary);
  color: #fff;
}
.btn--primary:hover { background: linear-gradient(180deg, #1760b4, var(--primary-d)); border-color: var(--primary-d); }
.btn--ghost { background: var(--primary-l); border-color: transparent; color: var(--primary-d); }
.btn--ghost:hover { background: #ddebfa; }
.btn--outline { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn--sm { padding: 7px 14px; font-size: 13.5px; border-radius: 8px; }
.btn--lg { padding: 13px 30px; font-size: 16px; }
.btn--block { width: 100%; }
.btn--muted { background: var(--bg-soft); border-color: transparent; color: var(--ink-2); }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; }

.icon { display: inline-block; width: 18px; height: 18px; flex: 0 0 auto; }
.module-card__icon svg,
.feature__icon svg,
.empty-state__icon svg { width: 100%; height: 100%; }
.icon--sm { width: 15px; height: 15px; }
.icon--lg { width: 24px; height: 24px; }

.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--primary-l);
  color: var(--primary-d);
  font-size: 12.5px;
  font-weight: 600;
}
.tag--accent { background: var(--accent-l); color: #0b6d62; }
.tag--soft { background: var(--bg-soft); color: var(--ink-2); }

.section { padding: 54px 0; }
.section--tight { padding: 38px 0; }
.section--white { background: var(--white); }

.section-head { text-align: center; margin-bottom: 34px; }
.section-head__eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 10px;
}
.section-head h2 { font-size: 27px; letter-spacing: 0.5px; }
.section-head p { color: var(--ink-2); margin: 12px auto 0; max-width: 720px; }

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.crumb { font-size: 13.5px; color: var(--ink-3); padding: 18px 0 0; }
.crumb a:hover { color: var(--primary); }
.crumb span { margin: 0 6px; }

.notice-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  border-radius: var(--radius);
  background: var(--primary-ll);
  border: 1px solid #dce8f7;
  color: var(--primary-d);
  font-size: 13.5px;
}
.notice-bar .icon { color: var(--primary); }

/* ================= 页头 ================= */
#site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(18, 40, 74, 0.06);
}
.hd-top { background: var(--primary-d); color: #d5e4f6; font-size: 13px; }
.hd-top__inner { display: flex; align-items: center; gap: 26px; height: 36px; }
.hd-top__item { display: inline-flex; align-items: center; gap: 6px; }
.hd-top__item .icon { color: #7fb4ea; }
.hd-top__item--wide { margin-left: auto; }

.hd-main { display: flex; align-items: center; gap: 22px; height: 76px; }
.brand { display: flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.brand__mark { width: 42px; height: 42px; flex: 0 0 auto; }
.brand__mark svg { border-radius: 11px; }
.brand__text { display: flex; flex-direction: column; line-height: 1.3; }
.brand__text strong { font-size: 18.5px; letter-spacing: 0.4px; color: var(--ink); }
.brand__text em { font-style: normal; font-size: 11.5px; color: var(--ink-3); letter-spacing: 0.5px; }

.hd-nav { display: flex; align-items: center; gap: 4px; margin-left: 8px; }
.hd-nav a {
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-2);
  transition: all 0.16s ease;
}
.hd-nav a:hover { color: var(--primary); background: var(--primary-ll); }
.hd-nav a.is-active { color: var(--primary-d); background: var(--primary-l); }

.hd-right { display: flex; align-items: center; gap: 16px; margin-left: auto; }
.hd-cart {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
}
.hd-cart:hover { color: var(--primary); border-color: #c6d5e8; }
.hd-cart .icon { width: 19px; height: 19px; }
.hd-cart__badge {
  position: absolute;
  top: -7px;
  right: -7px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  background: #c8342b;
  color: #fff;
  font-size: 11.5px;
  font-style: normal;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
}
.hd-user { display: flex; align-items: center; gap: 12px; }
.hd-user__name {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}
.hd-user__name .icon { color: var(--primary); }
.hd-link { font-size: 14px; font-weight: 600; color: var(--ink-2); }
.hd-link:hover { color: var(--primary); }
.hd-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--white);
  cursor: pointer;
}

/* ================= 页脚 ================= */
#site-footer { margin-top: 60px; background: #0e2138; color: #a9bdd4; }
.ft-main { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1.5fr; gap: 40px; padding: 50px 20px 40px; }
.ft-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 14px; }
.ft-brand__mark { width: 38px; height: 38px; }
.ft-brand__mark svg { border-radius: 10px; }
.ft-brand__text { color: #fff; font-size: 17px; font-weight: 700; letter-spacing: 0.3px; }
.ft-desc { font-size: 13.5px; line-height: 1.85; color: #93a9c2; margin-bottom: 10px; }
.ft-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; letter-spacing: 0.5px; }
.ft-col li { margin-bottom: 10px; font-size: 13.5px; }
.ft-col a:hover { color: #7fb4ea; }
.ft-contact li { display: flex; gap: 9px; align-items: flex-start; line-height: 1.75; }
.ft-contact .icon { color: #6f9dcb; margin-top: 3px; }
.ft-bar { border-top: 1px solid rgba(255, 255, 255, 0.09); }
.ft-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 58px;
  font-size: 13px;
  color: #8ba1ba;
}
.ft-bar__icp { color: #8ba1ba; }
.ft-bar__icp:hover { color: #7fb4ea; }

/* ================= 首页 ================= */
.hero {
  position: relative;
  background: linear-gradient(135deg, #0d3f7d 0%, #1257a8 52%, #176a9e 100%);
  color: #fff;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 82%);
}
.hero__inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 50px; align-items: center; padding: 66px 20px 70px; }
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.13);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 13px;
  letter-spacing: 0.6px;
  margin-bottom: 20px;
}
.hero h1 { font-size: 38px; line-height: 1.32; letter-spacing: 1px; }
.hero h1 em { font-style: normal; color: #a9d6ff; }
.hero p.hero__desc { margin: 18px 0 26px; font-size: 15.5px; line-height: 1.9; color: #cfe2f7; max-width: 620px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .btn--primary { background: #fff; border-color: #fff; color: var(--primary-d); }
.hero .btn--primary:hover { background: #eaf3ff; border-color: #eaf3ff; }
.hero .btn--outline { border-color: rgba(255, 255, 255, 0.55); color: #fff; }
.hero .btn--outline:hover { background: rgba(255, 255, 255, 0.12); }
.hero__stats { display: flex; gap: 40px; margin-top: 36px; padding-top: 26px; border-top: 1px solid rgba(255, 255, 255, 0.16); }
.hero__stat strong { display: block; font-size: 25px; color: #fff; letter-spacing: 0.5px; }
.hero__stat span { font-size: 13px; color: #b7cde6; }

.hero__panel { background: rgba(255, 255, 255, 0.09); border: 1px solid rgba(255, 255, 255, 0.18); border-radius: var(--radius-lg); padding: 22px; backdrop-filter: blur(2px); }
.hero__panel h3 { font-size: 16px; margin-bottom: 16px; display: flex; align-items: center; gap: 9px; }
.hero__panel h3 .icon { color: #a9d6ff; }
.hero-list li {
  display: flex;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.16);
  font-size: 14px;
}
.hero-list li:last-child { border-bottom: none; padding-bottom: 0; }
.hero-list .icon { color: #8fc4f0; margin-top: 4px; }
.hero-list strong { display: block; color: #fff; font-weight: 600; }
.hero-list span { color: #b7cde6; font-size: 13px; }

.module-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.module-card {
  position: relative;
  padding: 30px 30px 28px;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.module-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.module-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--primary); }
.module-card--accent::before { background: var(--accent); }
.module-card__icon {
  width: 52px;
  height: 52px;
  padding: 13px;
  border-radius: 13px;
  background: var(--primary-l);
  color: var(--primary);
  margin-bottom: 18px;
}
.module-card--accent .module-card__icon { background: var(--accent-l); color: #0b6d62; }
.module-card h3 { font-size: 21px; margin-bottom: 10px; }
.module-card p { color: var(--ink-2); font-size: 14.5px; line-height: 1.85; }
.module-card__points { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 20px; }
.module-card__more { display: inline-flex; align-items: center; gap: 7px; color: var(--primary); font-weight: 700; font-size: 14.5px; }
.module-card__more .icon { width: 17px; height: 17px; }

.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.feature {
  padding: 26px 22px;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--line);
  text-align: center;
}
.feature__icon {
  width: 52px;
  height: 52px;
  padding: 13px;
  margin: 0 auto 15px;
  border-radius: 50%;
  background: var(--primary-ll);
  color: var(--primary);
  border: 1px solid #dbe7f6;
}
.feature h4 { font-size: 16px; margin-bottom: 8px; }
.feature p { font-size: 13.5px; color: var(--ink-2); margin: 0; line-height: 1.75; }

.merchant-strip { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.merchant-tile {
  padding: 22px 18px;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--line);
  text-align: center;
  transition: all 0.18s ease;
}
.merchant-tile:hover { border-color: #c6d5e8; box-shadow: var(--shadow); }
.merchant-tile__mark {
  width: 46px;
  height: 46px;
  margin: 0 auto 13px;
  border-radius: 12px;
  background: linear-gradient(150deg, #eaf2fc, #d8e8fa);
  color: var(--primary-d);
  font-size: 19px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.merchant-tile strong { display: block; font-size: 14.5px; margin-bottom: 6px; }
.merchant-tile span { font-size: 12.5px; color: var(--ink-3); display: block; }
.merchant-tile em { font-style: normal; font-size: 12.5px; color: var(--accent); margin-top: 8px; display: block; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: st; }
.step { position: relative; padding: 26px 22px 24px; border-radius: var(--radius-lg); background: var(--white); border: 1px solid var(--line); }
.step__no {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
}
.step h4 { font-size: 16px; margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--ink-2); margin: 0; line-height: 1.75; }

.company-brief { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: start; }
.company-brief__panel { padding: 30px; background: var(--primary-ll); border: 1px solid #dce8f7; border-radius: var(--radius-lg); }
.kv-list li { display: flex; gap: 14px; padding: 11px 0; border-bottom: 1px dashed #cfdff2; font-size: 14px; }
.kv-list li:last-child { border-bottom: none; }
.kv-list dt, .kv-list b { flex: 0 0 96px; color: var(--ink-3); font-weight: 600; }
.kv-list span { color: var(--ink); }

/* ================= 筛选栏 ================= */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
}
.filter-group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.filter-group__label { font-size: 13.5px; color: var(--ink-3); font-weight: 600; margin-right: 4px; }
.chip {
  padding: 6px 15px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--white);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-2);
  cursor: pointer;
  transition: all 0.16s ease;
}
.chip:hover { color: var(--primary); border-color: #c6d5e8; }
.chip.is-active { background: var(--primary); border-color: var(--primary); color: #fff; }

.search-box { display: flex; align-items: center; gap: 0; margin-left: auto; }
.search-box input {
  width: 240px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-right: none;
  border-radius: 9px 0 0 9px;
  background: var(--bg);
  outline: none;
}
.search-box input:focus { background: var(--white); border-color: #b9cde5; }
.search-box button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border: 1px solid var(--primary);
  border-radius: 0 9px 9px 0;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}
.search-box button .icon { width: 16px; height: 16px; }

.result-line { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; font-size: 13.5px; color: var(--ink-3); }
.result-line strong { color: var(--primary); font-size: 15px; }

/* ================= 商品卡片 ================= */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.2s ease;
}
.product-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #cbd9ea; }
.product-card__media { position: relative; aspect-ratio: 4 / 3; background: var(--bg-soft); overflow: hidden; }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s ease; }
.product-card:hover .product-card__media img { transform: scale(1.045); }
.product-card__cat {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 4px 11px;
  border-radius: 7px;
  background: rgba(13, 63, 125, 0.86);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
}
.product-card__body { padding: 18px 18px 20px; display: flex; flex-direction: column; flex: 1; }
.product-card__title { font-size: 16.5px; line-height: 1.55; margin-bottom: 9px; }
.product-card__title a:hover { color: var(--primary); }
.product-card__summary { font-size: 13.5px; color: var(--ink-2); line-height: 1.75; margin-bottom: 13px; flex: 1; }
.product-card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.product-card__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 13px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  color: var(--ink-3);
}
.product-card__meta span { display: inline-flex; align-items: center; gap: 5px; }
.product-card__meta .icon { width: 15px; height: 15px; color: #9fb1c7; }
.product-card__foot { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin-top: 14px; }
.price { color: #c8342b; font-weight: 700; }
.price strong { font-size: 21px; letter-spacing: -0.3px; }
.price del { color: var(--ink-3); font-size: 13px; font-weight: 400; margin-left: 7px; }
.price em { font-style: normal; font-size: 13px; }

/* ================= 商品详情 ================= */
.detail { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding: 26px 0 0; align-items: start; }
.gallery__main {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--white);
}
.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 {
  aspect-ratio: 4 / 3;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 9px;
  overflow: hidden;
  background: var(--white);
  cursor: pointer;
  transition: all 0.16s ease;
}
.gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery__thumb.is-active { border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary-l); }

.detail-info h1 { font-size: 25px; line-height: 1.45; margin-bottom: 14px; }
.detail-info__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.detail-price {
  padding: 18px 20px;
  border-radius: var(--radius);
  background: linear-gradient(120deg, #fff5f4, #fdf0ee);
  border: 1px solid #f6dedb;
  margin-bottom: 20px;
}
.detail-price__label { font-size: 13px; color: var(--ink-3); }
.detail-price .price strong { font-size: 30px; }
.detail-summary { font-size: 14.5px; color: var(--ink-2); line-height: 1.9; padding: 16px 18px; background: var(--bg); border-radius: var(--radius); border: 1px solid var(--line); margin-bottom: 20px; }
.spec-table { width: 100%; border-collapse: collapse; margin-bottom: 22px; font-size: 14px; }
.spec-table th, .spec-table td { padding: 11px 14px; border-bottom: 1px solid var(--line-2); text-align: left; vertical-align: top; }
.spec-table th { width: 112px; color: var(--ink-3); font-weight: 600; background: var(--primary-ll); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }

.buy-box { padding: 20px; border-radius: var(--radius-lg); background: var(--white); border: 1px solid var(--line); }
.buy-row { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.buy-row__label { font-size: 14px; color: var(--ink-3); flex: 0 0 62px; }
.qty { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; }
.qty button { width: 36px; height: 38px; border: none; background: var(--bg); color: var(--ink-2); cursor: pointer; display: flex; align-items: center; justify-content: center; }
.qty button:hover { background: var(--primary-l); color: var(--primary); }
.qty button .icon { width: 15px; height: 15px; }
.qty input { width: 58px; height: 38px; border: none; border-left: 1px solid var(--line); border-right: 1px solid var(--line); text-align: center; outline: none; font-weight: 600; }
.buy-meta { display: flex; flex-wrap: wrap; gap: 10px 24px; font-size: 13.5px; color: var(--ink-2); margin-bottom: 18px; }
.buy-meta span { display: inline-flex; align-items: center; gap: 6px; }
.buy-meta .icon { width: 16px; height: 16px; color: #9fb1c7; }
.buy-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.merchant-card { display: flex; gap: 16px; padding: 20px; border-radius: var(--radius-lg); background: var(--primary-ll); border: 1px solid #dce8f7; margin-top: 22px; }
.merchant-card__mark {
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  border-radius: 13px;
  background: linear-gradient(150deg, #1a67bd, var(--primary-d));
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.merchant-card h4 { font-size: 16px; margin-bottom: 5px; }
.merchant-card p { font-size: 13.5px; color: var(--ink-2); margin: 0; }
.merchant-card__meta { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 13px; color: var(--ink-3); margin-top: 8px; }

.detail-tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--line); margin: 44px 0 0; }
.detail-tabs button {
  padding: 12px 22px;
  border: none;
  background: none;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-3);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.detail-tabs button.is-active { color: var(--primary); border-bottom-color: var(--primary); }
.detail-panel { padding: 28px 0 10px; }
.detail-panel h3 { font-size: 18px; margin-bottom: 14px; }
.detail-panel p { color: var(--ink-2); line-height: 1.95; font-size: 14.5px; }
.content-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 26px; margin-top: 8px; }
.content-list li { display: flex; gap: 10px; font-size: 14.5px; color: var(--ink-2); line-height: 1.8; }
.content-list .icon { width: 18px; height: 18px; color: var(--accent); flex: 0 0 auto; margin-top: 4px; }

/* ================= 购物车 ================= */
.cart-layout { display: grid; grid-template-columns: 1fr 340px; gap: 26px; align-items: start; padding: 24px 0 0; }
.cart-table { width: 100%; border-collapse: collapse; table-layout: fixed; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.cart-table th, .cart-table td { padding: 15px 13px; border-bottom: 1px solid var(--line-2); text-align: left; font-size: 14px; vertical-align: middle; word-break: break-word; }
.cart-table th { background: var(--primary-ll); color: var(--ink-2); font-weight: 600; font-size: 13.5px; }
.cart-item { display: flex; gap: 14px; align-items: center; }
.cart-item__thumb { width: 88px; height: 66px; flex: 0 0 auto; border-radius: 9px; overflow: hidden; border: 1px solid var(--line); }
.cart-item__thumb img { width: 100%; height: 100%; object-fit: cover; }
.cart-item__title { font-size: 15px; font-weight: 600; line-height: 1.5; }
.cart-item__title:hover { color: var(--primary); }
.cart-item__sub { font-size: 12.5px; color: var(--ink-3); margin-top: 4px; }
.cart-remove { border: none; background: none; color: var(--ink-3); cursor: pointer; padding: 6px; border-radius: 7px; width: 34px; height: 34px; }
.cart-remove:hover { color: #c8342b; background: #fdf0ee; }
.cart-remove .icon { width: 17px; height: 17px; }

.summary { position: sticky; top: 132px; padding: 24px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.summary h3 { font-size: 17px; margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--line-2); }
.summary-row { display: flex; align-items: center; justify-content: space-between; font-size: 14px; color: var(--ink-2); margin-bottom: 12px; }
.summary-total { display: flex; align-items: flex-end; justify-content: space-between; padding-top: 14px; border-top: 1px solid var(--line-2); margin: 6px 0 18px; }
.summary-total span { font-size: 14px; color: var(--ink-2); }
.summary-total strong { color: #c8342b; font-size: 26px; }
.summary-note { font-size: 12.5px; color: var(--ink-3); line-height: 1.8; margin: 14px 0 0; }

.empty-state { padding: 70px 20px; text-align: center; }
.empty-state__icon { width: 66px; height: 66px; padding: 17px; margin: 0 auto 18px; border-radius: 50%; background: var(--primary-ll); color: var(--primary); }
.empty-state h3 { font-size: 18px; margin-bottom: 8px; }
.empty-state p { color: var(--ink-3); font-size: 14px; margin-bottom: 20px; }

/* ================= 信息发布 ================= */
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.info-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.2s ease;
}
.info-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #cbd9ea; }
.info-card__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-soft); }
.info-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s ease; }
.info-card:hover .info-card__media img { transform: scale(1.045); }
.info-card__cat {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 4px 11px;
  border-radius: 7px;
  background: rgba(15, 138, 125, 0.9);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
}
.info-card__body { padding: 18px; display: flex; flex-direction: column; flex: 1; }
.info-card__title { font-size: 16.5px; line-height: 1.55; margin-bottom: 10px; }
.info-card__title a:hover { color: var(--primary); }
.info-card__summary { font-size: 13.5px; color: var(--ink-2); line-height: 1.75; margin-bottom: 14px; flex: 1; }
.info-card__publisher {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 9px;
  background: var(--bg);
  border: 1px solid var(--line-2);
  font-size: 13px;
  margin-bottom: 13px;
}
.info-card__publisher b { font-weight: 600; color: var(--ink); }
.phone-mask { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-2); font-weight: 600; letter-spacing: 0.4px; }
.phone-mask .icon { width: 15px; height: 15px; color: #9fb1c7; }
.phone-mask--full { color: var(--primary); }
.info-card__foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 12.5px; color: var(--ink-3); }
.info-card__foot .btn { padding: 7px 14px; font-size: 13px; }
.views { display: inline-flex; align-items: center; gap: 5px; }
.views .icon { width: 15px; height: 15px; color: #b3c1d3; }

.info-detail { display: grid; grid-template-columns: 1fr 336px; gap: 30px; align-items: start; padding: 22px 0 0; }
.article { padding: 32px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.article__cat { display: inline-block; padding: 4px 12px; border-radius: 7px; background: var(--accent-l); color: #0b6d62; font-size: 12.5px; font-weight: 700; margin-bottom: 14px; }
.article h1 { font-size: 26px; line-height: 1.5; margin-bottom: 16px; }
.article__meta { display: flex; flex-wrap: wrap; gap: 10px 24px; padding-bottom: 18px; border-bottom: 1px solid var(--line-2); margin-bottom: 22px; font-size: 13.5px; color: var(--ink-3); }
.article__meta span { display: inline-flex; align-items: center; gap: 6px; }
.article__meta .icon { width: 16px; height: 16px; color: #b3c1d3; }
.article__figure { margin: 0 0 24px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.article__figure img { width: 100%; }
.article__lead { font-size: 15.5px; color: var(--primary-d); background: var(--primary-ll); border-left: 3px solid var(--primary); padding: 16px 18px; border-radius: 0 9px 9px 0; line-height: 1.9; margin-bottom: 22px; }
.article p { font-size: 15px; line-height: 2.05; color: var(--ink-2); }
.article__end { margin-top: 26px; padding-top: 18px; border-top: 1px dashed var(--line); font-size: 13.5px; color: var(--ink-3); }

.contact-card { position: sticky; top: 132px; padding: 26px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.contact-card h3 { font-size: 17px; margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--line-2); display: flex; align-items: center; gap: 9px; }
.contact-card h3 .icon { color: var(--primary); width: 19px; height: 19px; }
.contact-card__pub { display: flex; gap: 13px; align-items: center; padding-bottom: 18px; border-bottom: 1px dashed var(--line); margin-bottom: 18px; }
.contact-card__mark { width: 48px; height: 48px; flex: 0 0 auto; border-radius: 12px; background: linear-gradient(150deg, #1a67bd, var(--primary-d)); color: #fff; font-size: 19px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.contact-card__pub strong { display: block; font-size: 15.5px; }
.contact-card__pub span { font-size: 13px; color: var(--ink-3); }
.contact-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.contact-row:last-of-type { border-bottom: none; }
.contact-row b { flex: 0 0 70px; color: var(--ink-3); font-weight: 600; font-size: 13.5px; }
.contact-row .value { color: var(--ink); font-weight: 600; }
.contact-row .value--phone { letter-spacing: 0.6px; color: var(--primary); }
.locked-note {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  padding: 14px 15px;
  border-radius: 9px;
  background: var(--primary-ll);
  border: 1px solid #dce8f7;
  font-size: 13px;
  color: var(--primary-d);
  line-height: 1.8;
  margin-top: 16px;
}
.locked-note .icon { color: var(--primary); width: 17px; height: 17px; flex: 0 0 auto; margin-top: 3px; }
.locked-note a { font-weight: 700; text-decoration: underline; }

.side-block { padding: 22px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); margin-top: 22px; }
.side-block h4 { font-size: 15.5px; margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--line-2); }
.side-list li { padding: 11px 0; border-bottom: 1px dashed var(--line); font-size: 13.5px; }
.side-list li:last-child { border-bottom: none; }
.side-list a { display: block; line-height: 1.65; }
.side-list a:hover { color: var(--primary); }
.side-list time { display: block; color: var(--ink-3); font-size: 12.5px; margin-top: 5px; }

/* ================= 表单 ================= */
.form-layout { display: grid; grid-template-columns: 1fr 380px; gap: 30px; align-items: start; padding: 22px 0 0; }
.form-card { padding: 32px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.form-card h2 { font-size: 21px; margin-bottom: 6px; }
.form-card__sub { font-size: 13.5px; color: var(--ink-3); margin-bottom: 24px; }
.form-row { margin-bottom: 18px; }
.form-row--half { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.form-row label i { font-style: normal; color: #c8342b; margin-left: 3px; }
.form-row input[type="text"],
.form-row input[type="password"],
.form-row input[type="tel"],
.form-row input[type="email"],
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--bg);
  outline: none;
  transition: all 0.16s ease;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  background: var(--white);
  border-color: #9dbfe4;
  box-shadow: 0 0 0 3px rgba(18, 87, 168, 0.09);
}
.form-row textarea { min-height: 130px; resize: vertical; line-height: 1.85; }
.form-row__hint { font-size: 12.5px; color: var(--ink-3); margin-top: 7px; line-height: 1.7; }
.form-row.is-error input, .form-row.is-error select, .form-row.is-error textarea { border-color: #d9534a; background: #fef7f6; }
.form-error { font-size: 12.5px; color: #c8342b; margin-top: 6px; display: none; }
.form-row.is-error .form-error { display: block; }
.form-msg { padding: 12px 15px; border-radius: 9px; font-size: 13.5px; margin-bottom: 18px; display: none; line-height: 1.75; }
.form-msg.is-show { display: block; }
.form-msg--ok { background: var(--accent-l); color: #0b6d62; border: 1px solid #c6e8e2; }
.form-msg--err { background: #fdf0ee; color: #b0301f; border: 1px solid #f6dedb; }

.check-line { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; }
.check-line input[type="checkbox"] { width: 17px; height: 17px; margin-top: 3px; accent-color: var(--primary); flex: 0 0 auto; cursor: pointer; }
.check-line label { font-size: 13.5px; font-weight: 400; margin: 0; line-height: 1.75; color: var(--ink-2); cursor: pointer; }
.check-line a { color: var(--primary); font-weight: 600; text-decoration: underline; }

.radio-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.radio-chips label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--white);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-2);
  cursor: pointer;
  margin: 0;
  transition: all 0.16s ease;
}
.radio-chips input { accent-color: var(--primary); }
.radio-chips label:has(input:checked) { border-color: var(--primary); background: var(--primary-l); color: var(--primary-d); }

.auth-wrap { display: grid; grid-template-columns: 1fr 460px; gap: 46px; align-items: center; padding: 54px 0 60px; }
.auth-side h2 { font-size: 30px; line-height: 1.45; margin-bottom: 16px; }
.auth-side p { color: var(--ink-2); font-size: 15px; line-height: 1.9; }
.auth-side__list { margin-top: 26px; }
.auth-side__list li { display: flex; gap: 12px; align-items: flex-start; padding: 11px 0; font-size: 14.5px; color: var(--ink-2); }
.auth-side__list .icon { width: 20px; height: 20px; color: var(--accent); flex: 0 0 auto; margin-top: 4px; }
.auth-card { padding: 34px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.auth-card h2 { font-size: 22px; margin-bottom: 6px; }
.auth-card__sub { font-size: 13.5px; color: var(--ink-3); margin-bottom: 24px; }
.auth-foot { text-align: center; font-size: 13.5px; color: var(--ink-3); margin-top: 20px; }
.auth-foot a { color: var(--primary); font-weight: 700; }

/* ================= 政策文本 / 关于我们 ================= */
.doc-block { padding: 36px 40px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.doc-block h2 { font-size: 22px; margin-bottom: 8px; }
.doc-block__date { font-size: 13px; color: var(--ink-3); margin-bottom: 26px; padding-bottom: 18px; border-bottom: 1px solid var(--line-2); }
.doc-block h3 { font-size: 16.5px; margin: 26px 0 10px; }
.doc-block p, .doc-block li { font-size: 14.5px; line-height: 2.05; color: var(--ink-2); }
.doc-block ol { padding-left: 20px; }
.doc-block ol li { list-style: decimal; margin-bottom: 6px; }

.about-hero { background: linear-gradient(135deg, #0d3f7d, #1257a8); color: #fff; padding: 52px 0; }
.about-hero h1 { font-size: 32px; margin-bottom: 14px; }
.about-hero p { color: #cfe2f7; max-width: 780px; line-height: 1.95; margin: 0; }
.about-grid { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 34px; align-items: start; }
.about-panel { padding: 30px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.about-panel h3 { font-size: 18px; margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--line-2); }
.about-panel p { font-size: 14.5px; line-height: 2; color: var(--ink-2); }
.scope-tags { display: flex; flex-wrap: wrap; gap: 9px; }
.scope-tags span { padding: 7px 14px; border-radius: 8px; background: var(--primary-ll); border: 1px solid #dce8f7; color: var(--primary-d); font-size: 13.5px; font-weight: 600; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-box { padding: 20px; border-radius: var(--radius); background: var(--primary-ll); border: 1px solid #dce8f7; }
.stat-box strong { display: block; font-size: 19px; color: var(--primary-d); margin-bottom: 4px; }
.stat-box span { font-size: 12.5px; color: var(--ink-3); }

/* ================= 个人中心 ================= */
.account-grid { display: grid; grid-template-columns: 300px 1fr; gap: 26px; align-items: start; padding: 22px 0 0; }
.account-side { padding: 26px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); text-align: center; }
.account-side__mark { width: 72px; height: 72px; margin: 0 auto 15px; border-radius: 50%; background: linear-gradient(150deg, #1a67bd, var(--primary-d)); color: #fff; font-size: 28px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.account-side h3 { font-size: 18px; margin-bottom: 5px; }
.account-side p { font-size: 13px; color: var(--ink-3); margin-bottom: 20px; }
.account-menu { text-align: left; border-top: 1px solid var(--line-2); padding-top: 16px; }
.account-menu li { padding: 10px 0; font-size: 14px; color: var(--ink-2); display: flex; align-items: center; justify-content: space-between; }
.account-menu li b { color: var(--ink); font-weight: 600; }
.order-item { padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 14px; }
.order-item__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 12px; border-bottom: 1px dashed var(--line); margin-bottom: 12px; font-size: 13.5px; color: var(--ink-3); }
.order-item__head b { color: var(--ink); font-weight: 600; }
.order-item__body { font-size: 14px; line-height: 1.9; color: var(--ink-2); }
.order-item__total { text-align: right; font-weight: 700; color: #c8342b; margin-top: 8px; }

.thumb-picker { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.thumb-picker .gallery__thumb { aspect-ratio: 4 / 3; }

/* ================= 分页 / 提示 ================= */
.pager { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 34px; }
.pager button {
  min-width: 38px;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--white);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  cursor: pointer;
}
.pager button:hover:not([disabled]) { border-color: #c6d5e8; color: var(--primary); }
.pager button.is-active { background: var(--primary); border-color: var(--primary); color: #fff; }
.pager button[disabled] { opacity: 0.45; cursor: not-allowed; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 46px;
  transform: translate(-50%, 14px);
  padding: 12px 24px;
  border-radius: 999px;
  background: rgba(16, 33, 58, 0.94);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: all 0.22s ease;
  z-index: 200;
  max-width: 82vw;
  text-align: center;
}
.toast.is-show { opacity: 1; transform: translate(-50%, 0); }
.toast--ok { background: rgba(12, 110, 98, 0.95); }
.toast--err { background: rgba(176, 48, 31, 0.95); }

/* ================= 响应式 ================= */
@media (max-width: 1080px) {
  .hero__inner { grid-template-columns: 1fr; gap: 36px; padding: 52px 20px 56px; }
  .hero h1 { font-size: 32px; }
  .product-grid, .info-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .merchant-strip { grid-template-columns: repeat(3, 1fr); }
  .detail, .auth-wrap, .company-brief, .about-grid { grid-template-columns: 1fr; gap: 30px; }
  .cart-layout, .info-detail, .form-layout { grid-template-columns: 1fr; }
  .summary, .contact-card { position: static; }
  .ft-main { grid-template-columns: 1fr 1fr; gap: 30px; }
  .account-grid { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .hd-top__item--wide { display: none; }
  .hd-main { height: 66px; gap: 14px; }
  .hd-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 10px 16px 16px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    display: none;
  }
  .hd-nav.is-open { display: flex; }
  .hd-nav a { padding: 12px 14px; }
  .hd-toggle { display: inline-flex; }
  .hd-cart span { display: none; }
  .hd-cart { padding: 8px 11px; }
  .brand__text strong { font-size: 16px; }
  .brand__text em { display: none; }
  .section { padding: 40px 0; }
  .hero h1 { font-size: 27px; }
  .hero__stats { gap: 24px; }
  .hero__stat strong { font-size: 21px; }
  .module-cards { grid-template-columns: 1fr; }
  .product-grid, .info-grid, .feature-grid, .steps, .merchant-strip { grid-template-columns: 1fr; }
  .search-box { margin-left: 0; width: 100%; }
  .search-box input { width: 100%; flex: 1; }
  .article { padding: 22px 18px; }
  .article h1 { font-size: 21px; }
  .doc-block { padding: 24px 18px; }
  .form-card, .auth-card { padding: 24px 18px; }
  .form-row--half { grid-template-columns: 1fr; gap: 0; }
  .content-list { grid-template-columns: 1fr; }
  .ft-main { grid-template-columns: 1fr; gap: 26px; padding: 36px 20px 28px; }
  .ft-bar__inner { flex-direction: column; justify-content: center; height: auto; padding: 16px 0; gap: 6px; }
  .cart-table thead { display: none; }
  .cart-table, .cart-table tbody, .cart-table tr, .cart-table td { display: block; width: 100%; }
  .cart-table tr { padding: 14px; border-bottom: 1px solid var(--line); }
  .cart-table td { padding: 6px 0; border: none; }
  .cart-table td::before { content: attr(data-label); display: block; font-size: 12.5px; color: var(--ink-3); margin-bottom: 3px; }
  .stat-grid { grid-template-columns: 1fr; }
  .auth-wrap { padding: 34px 0 44px; }
}