/* styles.css — BOSTO MOTOR storefront (2026 refresh) */
:root {
  --navy: #0a2240;
  --navy-2: #12325c;
  --blue: #0b63e5;
  --blue-2: #2f86ff;
  --blue-d: #084bb0;
  --ink: #0d1a2b;
  --ink-2: #2a3a52;
  --muted: #5a6a80;
  --faint: #8b9aae;
  --line: #e3e9f1;
  --line-2: #eef2f8;
  --bg: #ffffff;
  --card: #fff;
  --ok: #0f9d58;
  --warn: #b45309;
  --amber: #f5a623;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(13, 26, 43, .05);
  --shadow: 0 2px 6px rgba(13, 26, 43, .05), 0 14px 34px -18px rgba(13, 26, 43, .28);
  --shadow-lg: 0 30px 70px -26px rgba(10, 34, 64, .45);
  --wrap: 1480px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: calc(15px * var(--fs));
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, h5 { margin: 0; line-height: 1.22; letter-spacing: -.3px; }
img { max-width: 100%; }
.hidden { display: none !important; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.main { padding-bottom: 64px; min-height: 56vh; }

/* ---------------- buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 42px; padding: 0 20px; border-radius: 10px; border: 1px solid transparent;
  font-size: calc(13.5px * var(--fs)); font-weight: 600; cursor: pointer; font-family: inherit;
  transition: transform .14s, box-shadow .14s, background .14s, border-color .14s, color .14s;
  white-space: nowrap;
}
.btn.primary {
  background: linear-gradient(180deg, var(--blue-2), var(--blue));
  color: #fff; box-shadow: 0 8px 20px -10px rgba(11, 99, 229, .9);
}
.btn.primary:hover { transform: translateY(-1px); box-shadow: 0 12px 26px -12px rgba(11, 99, 229, .95); }
.btn.line { background: #fff; border-color: #d3dded; color: var(--ink); }
.btn.line:hover { border-color: var(--blue); color: var(--blue); }
.btn.light { background: #fff; color: var(--navy); }
.btn.light:hover { transform: translateY(-1px); box-shadow: 0 12px 30px -14px rgba(0, 0, 0, .6); }
.btn.lg { height: 48px; padding: 0 26px; font-size: calc(14.5px * var(--fs)); border-radius: 11px; }
.btn.sm { height: 36px; padding: 0 14px; font-size: calc(12.5px * var(--fs)); }
.btn.block { width: 100%; }

/* ---------------- utility strip ---------------- */
.utility { background: var(--navy); color: #b9c9de; font-size: calc(12px * var(--fs)); }
.urow { display: flex; justify-content: space-between; align-items: center; height: 38px; gap: 16px; }
.uleft, .uright { display: flex; align-items: center; gap: 12px; white-space: nowrap; overflow: hidden; }
.u-item { display: inline-flex; align-items: center; gap: 6px; }
.u-item svg { width: 14px; height: 14px; opacity: .8; }
.u-sep { width: 1px; height: 12px; background: rgba(255, 255, 255, .16); }
.uright a { color: #b9c9de; transition: color .15s; }
.uright a:hover { color: #fff; }

/* ---------------- header ---------------- */
.topbar {
  background: #fff; border-bottom: 1px solid var(--line);
  position: relative; z-index: 60;
  box-shadow: 0 1px 0 rgba(13, 26, 43, .02);
}
.nav { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; height: 82px; }
.brand { display: flex; align-items: center; }
.logo-img { height: 42px; width: auto; display: block; }

.search {
  display: flex; align-items: stretch; height: 46px; border: 1.5px solid #d7e0ec;
  border-radius: 11px; overflow: hidden; background: #fff; transition: border-color .15s, box-shadow .15s;
  max-width: 640px; width: 100%; justify-self: center;
}
.search:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3.5px rgba(11, 99, 229, .1); }
.qcat {
  border: 0; background: #f6f8fc; border-right: 1px solid var(--line); padding: 0 30px 0 14px;
  font-family: inherit; font-size: calc(12.5px * var(--fs)); color: var(--ink-2); outline: none; cursor: pointer;
  appearance: none; min-width: 132px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11' viewBox='0 0 24 24' fill='none' stroke='%235a6a80' stroke-width='2.4'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 11px center;
}
.search input {
  flex: 1; border: 0; outline: none; padding: 0 14px; font-family: inherit; font-size: calc(13.5px * var(--fs)); color: var(--ink); min-width: 0;
}
.search input::placeholder { color: #9aa8bd; }
.search button {
  width: 54px; border: 0; background: var(--blue); color: #fff; cursor: pointer; display: grid; place-items: center;
  transition: background .15s;
}
.search button:hover { background: var(--blue-d); }
.search button svg { width: 18px; height: 18px; }

.hacts { display: flex; align-items: center; gap: 2px; margin-left: 8px; }
.hact {
  display: flex; align-items: center; gap: 10px; padding: 6px 10px; border-radius: 10px;
  color: var(--ink-2); font-size: calc(12.5px * var(--fs)); line-height: 1.15; transition: background .15s;
}
.hact .hico { position: relative; display: grid; place-items: center; width: 21px; height: 21px; flex: 0 0 21px; }
.hact .hico svg { width: 21px; height: 21px; color: var(--navy); }
.hact .htxt { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.hact em { font-style: normal; color: var(--faint); font-size: calc(10.5px * var(--fs)); letter-spacing: .3px; line-height: 1.1; white-space: nowrap; }
.hact b { font-weight: 600; color: var(--ink); line-height: 1.15; white-space: nowrap; }
.hact:hover { background: #f3f7fd; }
.hact .badge {
  position: absolute; top: -5px; right: -4px; background: var(--blue); color: #fff;
  font-size: calc(10px * var(--fs)); font-weight: 700; min-width: 16px; height: 16px; border-radius: 9px;
  display: grid; place-items: center; padding: 0 4px; border: 2px solid #fff; line-height: 1;
}

/* ---------------- sticky header + main nav ---------------- */
.sitehead { position: sticky; top: 0; z-index: 60; box-shadow: 0 1px 0 rgba(13,26,43,.04); }
.mainnav { background: var(--navy); color: #d8e3f1; position: relative; z-index: 55; }
.nrow { display: flex; align-items: center; gap: 8px; height: 54px; }
.nlinks { display: flex; align-items: center; gap: 2px; flex: 1; min-width: 0; }
.nlinks > a {
  padding: 8px 14px; border-radius: 8px; font-size: calc(14.5px * var(--fs)); font-weight: 600; color: #d7e2f0;
  transition: .15s; white-space: nowrap; position: relative; letter-spacing: -.1px;
}
.nlinks > a::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 1px; height: 2px;
  border-radius: 2px; background: #4d8cf6; transform: scaleX(0); transition: transform .16s;
}
.nlinks > a:hover::after { transform: scaleX(1); }
.nlinks > a:hover { background: rgba(255, 255, 255, .1); color: #fff; }
.nitem { position: relative; }
.nlink {
  display: inline-flex; align-items: center; gap: 5px; padding: 8px 14px; border-radius: 8px;
  font-size: calc(14.5px * var(--fs)); font-weight: 600; color: #d7e2f0; white-space: nowrap; transition: .15s;
  letter-spacing: -.1px;
}
.nchev { width: 12px; height: 12px; opacity: .6; transition: transform .18s; }
.nitem:hover .nchev { transform: rotate(180deg); opacity: 1; }
.nitem:hover > .nlink { background: rgba(255, 255, 255, .12); color: #fff; }

.ndrop {
  position: absolute; top: 100%; left: -14px; width: 560px; z-index: 70;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  box-shadow: var(--shadow-lg); padding: 10px;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .16s, transform .16s, visibility .16s;
}
.nitem.align-r .ndrop { left: auto; right: -14px; }
.nitem:hover .ndrop { opacity: 1; visibility: visible; transform: translateY(0); }
.nitem::after { content: ''; position: absolute; left: 0; right: 0; top: 100%; height: 12px; }
.ndrop-in { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.ndi { display: flex; align-items: center; gap: 11px; padding: 10px 11px; border-radius: 9px; transition: background .14s; }
.ndi:hover { background: #f3f7fd; }
.nico {
  width: 34px; height: 34px; flex: 0 0 34px; border-radius: 8px; display: grid; place-items: center;
  background: #f4f7fc; border: 1px solid #eaf0f8; color: #4a6180;
}
.nico svg, .nico img { width: 20px; height: 20px; object-fit: contain; display: block; color: #45618a; }
.ndi:hover .nico { background: #eaf2fe; border-color: #d4e4fb; }
.ndt { display: flex; flex-direction: column; min-width: 0; }
.ndt b { font-size: calc(13.5px * var(--fs)); font-weight: 600; color: var(--ink); line-height: 1.35; }
.ndt em { font-style: normal; font-size: calc(11px * var(--fs)); color: var(--faint); margin-top: 1px; }
.ndall {
  display: block; margin-top: 8px; padding: 10px; text-align: center; border-top: 1px solid var(--line-2);
  font-size: calc(12.5px * var(--fs)); font-weight: 600; color: var(--blue); border-radius: 0 0 8px 8px;
}
.ndall:hover { background: #f4f9ff; }

.nquote {
  display: inline-flex; align-items: center; gap: 7px; padding: 8px 15px; border-radius: 8px;
  background: rgba(47, 134, 255, .16); color: #9dc6ff; font-size: calc(12.5px * var(--fs)); font-weight: 600;
  border: 1px solid rgba(47, 134, 255, .32); transition: .15s; white-space: nowrap;
}
.nquote svg { width: 15px; height: 15px; }
.nquote:hover { background: rgba(47, 134, 255, .28); color: #fff; }

/* ---------------- hero（宽幅居中，参考 stepperonline） ---------------- */
.hero2 {
  background: #fff;
  margin-left: calc(50% - 50vw); margin-right: calc(50% - 50vw);
  padding: 56px calc(50vw - 50%) 40px;
  border-bottom: 1px solid var(--line); text-align: center;
  background-image: radial-gradient(720px 320px at 50% -8%, rgba(11, 99, 229, .07), transparent 70%);
}
.hero2-in { max-width: 880px; margin: 0 auto; }
.eyebrow2 {
  display: inline-block; font-size: calc(10.5px * var(--fs)); font-weight: 700; letter-spacing: 1.6px;
  text-transform: uppercase; color: var(--blue); margin-bottom: 18px;
}
.hero2 h1 { font-size: calc(46px * var(--fs)); line-height: 1.16; letter-spacing: -1.6px; color: var(--navy); margin: 0 0 18px; }
.lede2 { font-size: calc(14.5px * var(--fs)); line-height: 1.8; color: #4c5e76; margin: 0 auto 28px; max-width: 700px; }
.lede2 b { color: var(--navy); font-weight: 650; }

.hsearch {
  display: flex; align-items: stretch; max-width: 780px; margin: 0 auto; height: 54px;
  background: #fff; border: 1.5px solid #d6dfec; border-radius: 11px; overflow: hidden;
  box-shadow: 0 10px 30px -22px rgba(10, 34, 64, .5); transition: border-color .15s, box-shadow .15s;
}
.hsearch:focus-within { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(11, 99, 229, .1); }
.hsearch .hqcat {
  border: 0; border-right: 1px solid var(--line); background: #f7f9fc; padding: 0 34px 0 16px;
  font-family: inherit; font-size: calc(13px * var(--fs)); color: var(--ink-2); outline: none; cursor: pointer;
  appearance: none; min-width: 150px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11' viewBox='0 0 24 24' fill='none' stroke='%235a6a80' stroke-width='2.4'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 13px center;
}
.hsearch input { flex: 1; border: 0; outline: none; padding: 0 16px; font-family: inherit; font-size: calc(14px * var(--fs)); color: var(--ink); min-width: 0; }
.hsearch input::placeholder { color: #9aa8bd; }
.hsearch button {
  width: 124px; border: 0; background: var(--blue); color: #fff; font-family: inherit;
  font-size: calc(14px * var(--fs)); font-weight: 600; cursor: pointer; transition: background .15s;
}
.hsearch button:hover { background: var(--blue-d); }
.statcards { max-width: 1400px; margin: 44px auto 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; text-align: left; }
.statcard { background: #f7f9fc; border: 1px solid #eef2f8; border-radius: 12px; padding: 20px 22px; display: flex; flex-direction: column; gap: 5px; }
.statcard b { font-size: calc(19px * var(--fs)); letter-spacing: -.4px; color: var(--navy); }
.statcard span { font-size: calc(12px * var(--fs)); color: var(--muted); line-height: 1.5; }

/* ---------------- sections ---------------- */
.sec { margin-top: 54px; }
.sechead { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.sechead h3 { font-size: calc(25px * var(--fs)); letter-spacing: -.7px; }
.sechead p { margin: 7px 0 0; font-size: calc(13px * var(--fs)); color: var(--muted); }
.secmore {
  display: inline-flex; align-items: center; gap: 7px; font-size: calc(12.5px * var(--fs)); font-weight: 600;
  color: var(--blue); white-space: nowrap; padding-bottom: 2px;
}
.secmore svg { width: 15px; height: 15px; transition: transform .15s; }
.secmore:hover svg { transform: translateX(3px); }

/* categories — 分类卡：大图标 + 名称 + 二级分类清单 + "+N more" */
.cats { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; align-items: stretch; }
.cat {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 12px 14px; display: flex; flex-direction: column; min-width: 0;
  transition: transform .18s, border-color .18s, box-shadow .18s;
}
.cat:hover { transform: translateY(-3px); border-color: #c9dcf8; box-shadow: var(--shadow); }
.cat-top { display: block; }
.cat .ico {
  aspect-ratio: 16 / 10; display: grid; place-items: center; border-radius: 9px;
  background: #f2f5f9; border: 1px solid #eef2f8;
}
.cat .ico svg { width: 84px; height: 84px; color: #4a6f9e; }
.cat .ico img { width: 88px; height: 88px; object-fit: contain; display: block; }
.cat h4 { font-size: calc(15px * var(--fs)); font-weight: 650; line-height: 1.35; margin: 12px 0 3px; color: var(--ink); }
.cat-models { font-size: calc(11.5px * var(--fs)); color: var(--faint); }
.cat-kids { display: flex; flex-direction: column; gap: 1px; margin-top: 12px; }
.cat-kids a {
  display: flex; align-items: center; gap: 8px; padding: 5px 4px; border-radius: 6px;
  font-size: calc(12px * var(--fs)); line-height: 1.35; color: var(--ink-2);
  transition: background .14s, color .14s;
}
.cat-kids a:hover { background: #f3f8ff; color: var(--blue); }
.kico { flex: 0 0 20px; width: 20px; height: 20px; display: grid; place-items: center; }
.kico svg, .kico img { width: 18px; height: 18px; object-fit: contain; display: block; color: #7b94b4; }
.cat-more {
  margin-top: auto; padding-top: 14px; display: inline-flex; align-items: center; gap: 6px;
  font-size: calc(12px * var(--fs)); font-weight: 650; color: var(--blue);
}
.cat-more svg { width: 14px; height: 14px; transition: transform .15s; }
.cat:hover .cat-more svg { transform: translateX(3px); }

/* product grid */
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column; transition: .18s;
}
.card:hover { transform: translateY(-3px); border-color: #c9dcf8; box-shadow: var(--shadow); }
.card .thumb {
  position: relative; aspect-ratio: 1 / 1; display: grid; place-items: center;
  background: linear-gradient(165deg, #f7fafe, #eef4fc); overflow: hidden;
}
.card .thumb svg { width: 70%; height: auto; transition: transform .3s; }
.card:hover .thumb svg { transform: scale(1.04); }
/* 产品主图铺满整个方框：正方形图源在 1:1 容器里正好完整显示，无内边距留白 */
.thumb-img { width: 100%; height: 100%; object-fit: cover; padding: 0; display: block; transition: transform .3s; }
.card:hover .thumb-img { transform: scale(1.04); }
/* 产品卡：名称 / 价格 / 星级 / 阶梯最低价 / Add to Cart，无多余信息 */
.card .body { padding: 16px 16px 18px; display: flex; flex-direction: column; flex: 1; }
.card .nm {
  font-size: calc(14px * var(--fs)); font-weight: 500; line-height: 1.45; color: #48586e;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: 2.9em;
}
.card .nm:hover { color: var(--blue); }
.card .cprice { font-size: calc(21px * var(--fs)); font-weight: 700; color: var(--ink); letter-spacing: -.5px; margin-top: 8px; }
.card .clow { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 3px 8px; min-height: 24px; margin-top: 3px; }
.card .clow > span:first-child { font-size: calc(12px * var(--fs)); color: var(--muted); }
.card .clow b { color: var(--blue); font-weight: 700; }
.card .clow .cstars { display: inline-flex; align-items: center; }
.card .clow .stars { font-size: calc(13px * var(--fs)); }
.card .cact { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line-2); }
.card .cbtn {
  width: 100%; height: 42px; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid #cbd6e6; border-radius: 9px; background: #fff; color: var(--ink);
  font-family: inherit; font-size: calc(13.5px * var(--fs)); font-weight: 650; cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}
.card .cbtn:hover { border-color: var(--blue); color: var(--blue); background: #f7fbff; }
.card .cbtn svg { width: 17px; height: 17px; }

/* SKU 选择弹窗（多规格产品加购时弹出） */
.modal-box.sku-modal { max-width: 640px; max-height: 86vh; overflow-y: auto; }
.sku-list { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.sku-opt {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
  font-family: inherit; cursor: pointer; transition: border-color .15s, background .15s;
}
.sku-opt:hover { border-color: #b9d3f7; background: #fafcff; }
.sku-opt.active { border-color: var(--blue); background: #f4f9ff; box-shadow: 0 0 0 2px rgba(11, 99, 229, .1); }
.sku-opt-img { width: 46px; height: 46px; flex: 0 0 46px; border-radius: 8px; border: 1px solid var(--line); object-fit: contain; background: #fff; display: block; }
.sku-opt-img.ph { background: #f4f7fc; }
.sku-opt-txt { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.sku-opt-txt b { font-size: calc(12.5px * var(--fs)); font-weight: 600; color: var(--ink); line-height: 1.45; }
.sku-opt-txt small { font-size: calc(11px * var(--fs)); color: var(--faint); }
.sku-opt-pr { flex: 0 0 auto; text-align: right; display: flex; flex-direction: column; gap: 2px; }
.sku-opt-pr b { font-size: calc(14px * var(--fs)); color: var(--navy); }
.sku-opt-pr em { font-style: normal; font-size: calc(11px * var(--fs)); color: var(--blue); }
.sku-foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line-2); }
.sku-qty { display: inline-flex; align-items: center; gap: 8px; font-size: calc(12.5px * var(--fs)); color: var(--muted); }
.sku-qty button { width: 30px; height: 32px; border: 1px solid var(--line); background: #fff; border-radius: 7px; font-size: calc(17px * var(--fs)); color: var(--muted); cursor: pointer; }
.sku-qty button:hover { border-color: var(--blue); color: var(--blue); }
.sku-modal .sku-qty input {
  width: 56px; height: 32px; padding: 0 6px; text-align: center;
  border: 1px solid var(--line); border-radius: 7px; font-family: inherit;
  font-size: calc(13px * var(--fs)); outline: none;
}
.sku-modal .sku-qty input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(11, 99, 229, .1); }

/* trust row */
.trustrow {
  margin-top: 48px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
}
.tr-item { background: #fff; padding: 20px 22px; display: flex; flex-direction: column; gap: 3px; }
.tr-item b { font-size: calc(14.5px * var(--fs)); color: var(--navy); letter-spacing: -.2px; }
.tr-item span { font-size: calc(11.5px * var(--fs)); color: var(--faint); }

/* promo band */
.band {
  margin-top: 52px; background: linear-gradient(115deg, var(--navy) 0%, #16386a 58%, #1a4a8f 100%);
  border-radius: 20px; padding: 40px 46px; display: flex; align-items: center; justify-content: space-between;
  gap: 30px; flex-wrap: wrap; position: relative; overflow: hidden; color: #fff;
}
.band::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(115deg, rgba(255,255,255,.05) 0 1px, transparent 1px 46px);
}
.band-txt { position: relative; max-width: 640px; }
.band-tag {
  display: inline-block; font-size: calc(10.5px * var(--fs)); font-weight: 700; letter-spacing: 1.4px;
  color: #9dc6ff; background: rgba(47,134,255,.16); border: 1px solid rgba(47,134,255,.34);
  border-radius: 5px; padding: 3px 9px; margin-bottom: 12px;
}
.band h4 { font-size: calc(25px * var(--fs)); letter-spacing: -.6px; margin-bottom: 10px; }
.band p { margin: 0; font-size: calc(13.5px * var(--fs)); color: #b9cbe2; line-height: 1.8; }
.band .btn { position: relative; }

/* ---------------- inquiry & ordering flow（整块可点击 → 帮助文章） ---------------- */
.flow-sec { margin-top: 46px; }
.flow-head { margin-bottom: 20px; }
.flow-head h3 { font-size: calc(25px * var(--fs)); letter-spacing: -.7px; color: var(--ink); }
.flow-headlink {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 7px;
  font-size: calc(13px * var(--fs)); font-weight: 600; color: var(--blue);
}
.flow-headlink svg { width: 14px; height: 14px; transition: transform .15s; }
.flow-headlink:hover svg { transform: translateX(3px); }
.flow {
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: repeat(6, minmax(0, 1fr));
  text-decoration: none; color: inherit; cursor: pointer;
  background: linear-gradient(180deg, #f6faff 0%, #fff 64%);
  border: 1px solid #dbe7f8; border-radius: 16px;
  padding: 32px 20px 32px; box-shadow: var(--shadow-sm);
  transition: transform .18s, border-color .18s, box-shadow .18s;
}
.flow::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue-2), var(--blue) 55%, #8dbaff);
}
.flow:hover { transform: translateY(-3px); border-color: #b7d2f6; box-shadow: var(--shadow); }
.flow:focus-visible { outline: 3px solid rgba(11, 99, 229, .35); outline-offset: 3px; }
.flow-step { position: relative; text-align: center; padding: 0 10px; min-width: 0; }
.flow-node {
  width: 44px; height: 44px; margin: 0 auto; border-radius: 50%;
  display: grid; place-items: center; position: relative; z-index: 2;
  background: linear-gradient(160deg, var(--blue-2), var(--blue)); color: #fff;
  box-shadow: 0 0 0 5px #eaf2fe, 0 8px 16px -8px rgba(11, 99, 229, .9);
  transition: transform .18s;
}
.flow:hover .flow-node { transform: scale(1.06); }
.flow-node b { font-size: calc(17px * var(--fs)); font-weight: 750; line-height: 1; }
/* 用 .is-last 判断，避免以后再加子元素时最后一步多画一段连接线 */
.flow-step:not(.is-last)::before {
  content: ''; position: absolute; z-index: 1; top: 21px;
  left: calc(50% + 30px); width: calc(100% - 60px); height: 2px;
  background: repeating-linear-gradient(90deg, #c8dcfa 0 6px, transparent 6px 11px);
}
.flow-step:not(.is-last)::after {
  content: ''; position: absolute; z-index: 3; top: 18px; left: calc(150% - 36px);
  width: 0; height: 0;
  border-left: 9px solid #9dbdea; border-top: 5px solid transparent; border-bottom: 5px solid transparent;
}
.flow-ico {
  width: 46px; height: 46px; margin: 24px auto 15px; border-radius: 12px;
  display: grid; place-items: center; color: var(--blue); background: #ecf4ff;
  transition: background .18s;
}
.flow:hover .flow-ico { background: #ddebff; }
.flow-step h5 { font-size: calc(15px * var(--fs)); font-weight: 650; line-height: 1.4; color: var(--ink); }

/* ---------------- breadcrumb / list page ---------------- */
.bread { font-size: calc(12.5px * var(--fs)); color: var(--faint); padding: 22px 0 18px; }
.bread a { color: var(--muted); }
.bread a:hover { color: var(--blue); }
.empty { text-align: center; padding: 64px 20px; color: var(--muted); font-size: calc(14px * var(--fs)); }
.empty a { color: var(--blue); font-weight: 600; }

/* ---------------- shop layout: 左侧筛选 + 右侧工具栏/产品 ---------------- */
.shop-layout { display: grid; grid-template-columns: 216px minmax(0, 1fr); gap: 28px; align-items: start; margin-top: 8px; }
.shop-side {
  position: sticky; top: 140px; max-height: calc(100vh - 160px); overflow-y: auto;
  border-right: 1px solid var(--line); padding-right: 18px;
}
.shop-side::-webkit-scrollbar { width: 5px; }
.shop-side::-webkit-scrollbar-thumb { background: #d9e2f0; border-radius: 4px; }
.side-h { font-size: calc(17px * var(--fs)); font-weight: 700; color: var(--ink); padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.side-block { padding-top: 6px; }
.side-block-h {
  font-size: calc(12px * var(--fs)); font-weight: 700; letter-spacing: .7px; text-transform: uppercase;
  color: var(--faint); padding: 14px 0 8px;
}
.side-link {
  display: block; font-size: calc(13px * var(--fs)); line-height: 1.45; color: var(--ink-2);
  padding: 7px 10px; margin: 1px 0; border-radius: 7px; transition: background .14s, color .14s;
}
.side-link:hover { color: var(--blue); background: #f4f8ff; }
.side-link.active { color: var(--blue); background: #eaf2fe; font-weight: 650; }
.side-link.root { font-weight: 650; color: var(--navy); padding-top: 10px; }
.side-link.root:hover { color: var(--blue); }
.side-link.root.active { color: var(--blue); }
.side-link.child { padding-left: 18px; font-size: calc(12.5px * var(--fs)); color: var(--muted); }

.shop-main { min-width: 0; }
.shop-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  border: 1px solid var(--line); border-radius: 11px; background: #fff;
  padding: 9px 14px; margin-bottom: 18px;
}
.view-toggle { display: inline-flex; gap: 4px; }
.view-btn {
  width: 34px; height: 34px; display: grid; place-items: center;
  border: 1px solid transparent; border-radius: 7px; background: transparent; color: #8b9aae;
  cursor: pointer; transition: .15s;
}
.view-btn:hover { color: var(--blue); background: #f4f8ff; }
.view-btn.active { color: var(--blue); border-color: #c9dcf8; background: #eef5ff; }
.shop-sort { display: inline-flex; align-items: center; gap: 9px; }
.shop-sort label, .shop-count { font-size: calc(12px * var(--fs)); color: var(--muted); }
.shop-count { margin-right: 8px; }
.shop-sort select {
  height: 34px; min-width: 178px; padding: 0 30px 0 11px; border: 1px solid var(--line); border-radius: 8px;
  background: #fff; color: var(--ink-2); font-family: inherit; font-size: calc(12.5px * var(--fs)); outline: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11' viewBox='0 0 24 24' fill='none' stroke='%235a6a80' stroke-width='2.4'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center; cursor: pointer;
}
.shop-sort select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(11, 99, 229, .1); }

.view-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
/* 列表视图：图片 | SKU+标题+规格 | 价格+加购，全部横向排列 */
.view-list { display: flex; flex-direction: column; gap: 12px; }
.lrow {
  display: grid; grid-template-columns: 142px minmax(0, 1fr) 186px; gap: 18px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px;
  transition: border-color .16s, box-shadow .16s;
}
.lrow:hover { border-color: #c9dcf8; box-shadow: var(--shadow-sm); }
.lrow-media { width: 142px; height: 142px; border-radius: 9px; overflow: hidden; background: #f4f7fc; display: block; }
.lrow-img, .lrow-art { width: 100%; height: 100%; display: block; object-fit: cover; }
.lrow-art svg { width: 100%; height: 100%; display: block; }
.lrow-main { min-width: 0; }
.lrow-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.lrow-code { font-size: calc(12px * var(--fs)); font-weight: 650; color: var(--muted); letter-spacing: .2px; }
.lrow-stock {
  font-size: calc(10px * var(--fs)); font-weight: 700; letter-spacing: .4px; text-transform: uppercase;
  color: #0f9d58; background: #e9f8f0; border-radius: 4px; padding: 2px 7px;
}
.lrow-title {
  display: block; margin-top: 5px; font-size: calc(16px * var(--fs)); font-weight: 600; line-height: 1.4;
  color: var(--blue); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.lrow-title:hover { text-decoration: underline; }
.lrow-specs {
  display: flex; flex-wrap: wrap; margin-top: 12px; border: 1px solid var(--line-2);
  border-radius: 8px; overflow: hidden;
}
.lrow-specs > span {
  flex: 1 1 0; min-width: 96px; padding: 7px 10px; border-right: 1px solid var(--line-2);
  display: flex; flex-direction: column; gap: 2px;
}
.lrow-specs > span:last-child { border-right: 0; }
.lrow-specs em { font-style: normal; font-size: calc(10px * var(--fs)); letter-spacing: .5px; text-transform: uppercase; color: var(--faint); }
.lrow-specs b { font-size: calc(12px * var(--fs)); font-weight: 600; color: var(--ink-2); }
.lrow-buy { display: flex; flex-direction: column; align-items: flex-end; gap: 3px; text-align: right; }
.lrow-low { font-size: calc(11.5px * var(--fs)); color: var(--muted); }
.lrow-low b { color: var(--blue); }
.lrow-price { font-size: calc(22px * var(--fs)); font-weight: 700; color: var(--ink); letter-spacing: -.5px; line-height: 1.2; }
.lrow-stars .stars { font-size: calc(13px * var(--fs)); }
.lrow-cart { width: 100%; height: 38px; margin-top: 7px; }
.lrow-cart svg { width: 16px; height: 16px; }

@media (max-width: 1180px) {
  .view-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 980px) {
  .shop-layout { grid-template-columns: 1fr; gap: 18px; }
  .shop-side { position: static; max-height: none; overflow: visible; border-right: 0; border-bottom: 1px solid var(--line); padding: 0 0 14px; }
  .side-block { display: flex; flex-wrap: wrap; gap: 4px 6px; }
  .side-block-h { width: 100%; padding-top: 10px; }
  .side-link { border: 1px solid var(--line-2); padding: 5px 10px; }
  .side-link.root { font-weight: 600; }
  .side-link.child { padding-left: 10px; }
  .lrow { grid-template-columns: 112px minmax(0, 1fr) 160px; gap: 12px; }
  .lrow-media { width: 112px; height: 112px; }
}
@media (max-width: 720px) {
  .lrow { grid-template-columns: 104px minmax(0, 1fr); gap: 12px; padding: 12px; }
  .lrow-media { width: 104px; height: 104px; }
  .lrow-buy {
    grid-column: 1 / -1; flex-direction: row; align-items: center; justify-content: space-between;
    flex-wrap: wrap; text-align: left; border-top: 1px solid var(--line-2); padding-top: 10px;
  }
  .lrow-cart { width: auto; min-width: 150px; margin-top: 0; }
  .lrow-specs > span { min-width: 88px; }
  .shop-count { display: none; }
  .shop-sort { margin-left: auto; }
}
@media (max-width: 480px) {
  .view-grid { grid-template-columns: 1fr; }
  .lrow { grid-template-columns: 84px minmax(0, 1fr); gap: 10px; padding: 10px; }
  .lrow-media { width: 84px; height: 84px; }
  .lrow-title {
    white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    font-size: calc(14px * var(--fs));
  }
  .lrow-specs > span { flex: 1 1 40%; min-width: 40%; border-bottom: 1px solid var(--line-2); }
  .lrow-specs > span:nth-child(2n) { border-right: 0; }
  .lrow-specs > span:nth-last-child(-n+2) { border-bottom: 0; }
  .lrow-price { font-size: calc(19px * var(--fs)); }
  .lrow-cart { min-width: 130px; }
}

/* ---------------- product detail ---------------- */
.detail { display: grid; grid-template-columns: 1.02fr 1fr; gap: 38px; align-items: start; margin-top: 6px; }
.media { min-width: 0; }
.gallery { display: flex; gap: 14px; align-items: flex-start; }
.gallery.no-img { display: block; }
.gthumbs { display: flex; flex-direction: column; gap: 10px; max-height: 560px; overflow-y: auto; padding-right: 2px; }
.gthumbs::-webkit-scrollbar { width: 4px; }
.gthumbs::-webkit-scrollbar-thumb { background: #dbe3ef; border-radius: 4px; }
.gthumb {
  width: 64px; height: 64px; flex: 0 0 64px; padding: 0; border-radius: 10px; overflow: hidden;
  border: 1px solid var(--line); background: #fff; cursor: pointer; transition: .15s; display: grid; place-items: center;
}
.gthumb img { width: 100%; height: 100%; object-fit: contain; display: block; padding: 4px; }
.gthumb:hover { border-color: #b9cdea; }
.gthumb.on { border-color: var(--blue); box-shadow: 0 0 0 2px rgba(11,99,229,.16); }
.gmain {
  position: relative; flex: 1; min-width: 0; aspect-ratio: 1 / 1;
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  display: grid; place-items: center; overflow: hidden; cursor: zoom-in;
}
.gmain > div { width: 100%; height: 100%; display: grid; place-items: center; }
.gallery.no-img .gmain { cursor: default; }
.gmain > div svg { width: 78%; height: auto; }
.gmain .gimg { width: 100%; height: 100%; object-fit: contain; padding: 0; display: block; }
.gzoom {
  position: absolute; right: 12px; bottom: 12px; width: 36px; height: 36px; border-radius: 10px;
  border: 1px solid var(--line); background: rgba(255,255,255,.95); color: #48607f;
  display: grid; place-items: center; cursor: pointer; opacity: .6; transition: .15s;
  box-shadow: 0 4px 14px -6px rgba(13,26,43,.4);
}
.gzoom svg { width: 17px; height: 17px; }
.gzoom:hover { opacity: 1; color: var(--blue); border-color: #b9cdea; }

.lightbox {
  position: fixed; inset: 0; z-index: 200; background: rgba(6,12,22,.92);
  display: grid; place-items: center; padding: 40px 70px; backdrop-filter: blur(2px);
}
.lightbox img { max-width: 100%; max-height: 86vh; object-fit: contain; border-radius: 10px; background: #fff; cursor: default; box-shadow: 0 24px 70px -20px rgba(0,0,0,.6); }
.lb-close {
  position: absolute; top: 18px; right: 22px; width: 40px; height: 40px; border-radius: 50%;
  border: 0; background: rgba(255,255,255,.14); color: #fff; font-size: calc(24px * var(--fs)); line-height: 1; cursor: pointer;
}
.lb-close:hover { background: rgba(255,255,255,.26); }
.lb-nav {
  position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 64px;
  border: 0; border-radius: 10px; background: rgba(255,255,255,.12); color: #fff; font-size: calc(30px * var(--fs)); line-height: 1; cursor: pointer;
}
.lb-nav:hover { background: rgba(255,255,255,.24); }
.lb-nav.prev { left: 16px; }
.lb-nav.next { right: 16px; }
.lb-cap { position: absolute; bottom: 18px; color: rgba(255,255,255,.62); font-size: calc(12.5px * var(--fs)); letter-spacing: .5px; }

.info { min-width: 0; }
.dtitle { font-size: calc(27px * var(--fs)); letter-spacing: -.8px; line-height: 1.28; color: var(--navy); }
.dzh { color: var(--muted); font-size: calc(13.5px * var(--fs)); margin-top: 7px; }
.dstars { display: flex; align-items: center; gap: 8px; margin-top: 11px; font-size: calc(12.5px * var(--fs)); color: var(--muted); }
.dstars a { color: var(--blue); }
.dstars em { font-style: normal; font-weight: 700; color: var(--ink); font-size: calc(13px * var(--fs)); }
.dstars.muted { color: var(--faint); }
.stars { display: inline-flex; gap: 1px; font-size: calc(14px * var(--fs)); line-height: 1; }
.stars i { font-style: normal; color: #d7dfea; }
.stars i.on { color: var(--amber); }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: calc(12.5px * var(--fs)); color: var(--muted); margin-top: 14px; }
.meta-row b { color: var(--ink); font-weight: 600; }
.pill {
  display: inline-flex; align-items: center; gap: 6px; font-size: calc(11.5px * var(--fs)); font-weight: 600;
  color: #0b7a45; background: #e6f7ee; border-radius: 20px; padding: 4px 11px;
}
.blk-h { font-size: calc(11.5px * var(--fs)); font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--faint); margin: 26px 0 10px; }
.specs { display: grid; gap: 8px; }
.spec {
  border: 1px solid var(--line); border-radius: 11px; padding: 8px 13px 8px 9px;
  font-size: calc(13px * var(--fs)); cursor: pointer; display: grid; grid-template-columns: 46px 1fr auto;
  align-items: center; gap: 12px; background: #fff; transition: .15s;
}
.spec:hover { border-color: #b9d0f2; }
.spec.active { border-color: var(--blue); background: #f4f9ff; box-shadow: 0 0 0 3px rgba(11,99,229,.09); }
.spec b { color: var(--navy); font-variant-numeric: tabular-nums; }
.spec-thumb { width: 46px; height: 46px; border-radius: 8px; border: 1px solid var(--line); object-fit: contain; background: #fff; padding: 3px; display: block; }
.spec-thumb.ph { background: #f4f7fc; }
.spec-txt { line-height: 1.45; }

.tiers { width: 100%; border-collapse: collapse; font-size: calc(13px * var(--fs)); background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.tiers th { background: #f7f9fd; text-align: left; font-size: calc(11.5px * var(--fs)); color: var(--muted); font-weight: 600; padding: 9px 13px; letter-spacing: .4px; }
.tiers td { padding: 9px 13px; border-top: 1px solid var(--line-2); font-variant-numeric: tabular-nums; }

.buybox { display: flex; align-items: center; gap: 12px; margin-top: 22px; flex-wrap: wrap; }
.qty { display: flex; align-items: center; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff; }
.qty button { width: 38px; height: 44px; border: 0; background: #fff; font-size: calc(17px * var(--fs)); color: var(--muted); cursor: pointer; transition: background .14s; }
.qty button:hover { background: #f3f7fd; color: var(--blue); }
.qty input { width: 56px; height: 44px; border: 0; border-left: 1px solid var(--line); border-right: 1px solid var(--line); text-align: center; font-family: inherit; font-size: calc(14px * var(--fs)); font-weight: 600; outline: none; }
.buybox .btn { height: 44px; flex: 1; min-width: 200px; }

.ptabs { display: flex; gap: 26px; margin: 46px 0 0; border-bottom: 1px solid var(--line); }
.ptab { background: none; border: 0; padding: 0 0 14px; font-size: calc(14px * var(--fs)); font-weight: 600; color: var(--muted); cursor: pointer; position: relative; font-family: inherit; }
.ptab:hover { color: var(--ink); }
.ptab.active { color: var(--ink); }
.ptab.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--ink); border-radius: 2px 2px 0 0; }
.ppanel { padding: 26px 0 10px; font-size: calc(14px * var(--fs)); color: var(--ink-2); line-height: 1.85; max-width: 880px; }
.ppanel p { margin: 0 0 14px; }
.ppanel h2 { font-size: calc(19px * var(--fs)); letter-spacing: -.3px; margin: 24px 0 10px; color: var(--navy); }
.ppanel h3 { font-size: calc(16px * var(--fs)); margin: 20px 0 8px; color: var(--navy); }
.ppanel ul, .ppanel ol { margin: 0 0 14px; padding-left: 22px; }
.ppanel li { margin: 4px 0; }
.ppanel blockquote { margin: 0 0 14px; padding: 10px 16px; border-left: 3px solid var(--blue); background: #f6f9fe; color: #3d4f66; }
.ppanel img { max-width: 100%; height: auto; border-radius: 10px; margin: 8px 0; display: block; border: 1px solid var(--line); }
.ppanel a { color: var(--blue); text-decoration: underline; }
.ppanel strong { color: var(--ink); }
.ppanel hr { border: 0; border-top: 1px solid var(--line); margin: 20px 0; }
.ppanel table { border-collapse: collapse; width: 100%; margin: 0 0 14px; font-size: calc(13px * var(--fs)); }
.ppanel th, .ppanel td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }

/* reviews */
.rv-loading, .rv-empty { color: var(--muted); font-size: calc(13.5px * var(--fs)); padding: 6px 0 18px; }
.rv-top { display: flex; gap: 40px; align-items: center; padding: 18px 22px; background: #fff; border: 1px solid var(--line); border-radius: 12px; flex-wrap: wrap; }
.rv-score { display: flex; flex-direction: column; gap: 5px; min-width: 120px; }
.rv-score b { font-size: calc(34px * var(--fs)); letter-spacing: -1px; line-height: 1; color: var(--navy); }
.rv-score span { font-size: calc(12px * var(--fs)); color: var(--muted); }
.rv-dist { flex: 1; min-width: 240px; display: grid; gap: 6px; }
.rv-bar { display: grid; grid-template-columns: 40px 1fr 28px; align-items: center; gap: 10px; font-size: calc(11.5px * var(--fs)); color: var(--muted); }
.rv-bar .tr { height: 7px; background: #e9eef6; border-radius: 5px; overflow: hidden; }
.rv-bar .fl { display: block; height: 100%; background: var(--amber); border-radius: 5px; }
.rv-bar em { font-style: normal; text-align: right; font-variant-numeric: tabular-nums; }
.rv-list { margin-top: 22px; display: grid; gap: 18px; }
.rv { display: flex; gap: 14px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.rv:last-child { border-bottom: 0; }
.rv-av { width: 38px; height: 38px; flex: 0 0 38px; border-radius: 50%; display: grid; place-items: center; background: #eaf1fb; color: #2b5fa8; font-weight: 700; font-size: calc(15px * var(--fs)); }
.rv-main { min-width: 0; }
.rv-head { display: flex; align-items: baseline; gap: 9px; flex-wrap: wrap; }
.rv-head b { font-size: calc(13.5px * var(--fs)); color: var(--ink); }
.rv-co { font-size: calc(12px * var(--fs)); color: var(--muted); }
.rv-privacy { font-size: calc(11.5px * var(--fs)); color: var(--faint); line-height: 1.6; margin: 8px 0 12px; }
.rv-cc { font-size: calc(10.5px * var(--fs)); color: #6b7d95; background: #eef2f8; border-radius: 4px; padding: 1px 6px; }
.rv-date { font-size: calc(11.5px * var(--fs)); color: var(--faint); margin-left: auto; }
.rv-main p { margin: 6px 0 0; font-size: calc(13.5px * var(--fs)); color: var(--ink-2); line-height: 1.75; }
.rv-form { margin-top: 26px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; max-width: 620px; }
.rv-form-h { font-size: calc(13px * var(--fs)); font-weight: 700; letter-spacing: .3px; margin-bottom: 10px; }
.rv-stars { display: flex; gap: 4px; margin-bottom: 10px; }
.rv-stars button { background: none; border: 0; font-size: calc(22px * var(--fs)); line-height: 1; color: #d7dfea; cursor: pointer; padding: 0; }
.rv-stars button.on { color: var(--amber); }
.rv-form textarea { width: 100%; border: 1px solid var(--line); border-radius: 9px; padding: 10px 12px; font-family: inherit; font-size: calc(13.5px * var(--fs)); resize: vertical; outline: none; margin-bottom: 12px; }
.rv-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(11,99,229,.1); }
.rv-signin { margin-top: 22px; font-size: calc(13px * var(--fs)); color: var(--muted); }
.rv-signin a { color: var(--blue); }

/* ---------------- cart / forms ---------------- */
.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; }
.cart-item {
  display: grid; grid-template-columns: 96px 1fr 110px 130px 36px; gap: 16px; align-items: center;
  padding: 16px 0; border-bottom: 1px solid var(--line-2);
}
.cart-item .mini { width: 100%; aspect-ratio: 1/1; background: linear-gradient(160deg, #f7fafe, #eef4fc); border-radius: 10px; display: grid; place-items: center; overflow: hidden; border: 1px solid var(--line-2); }
.cart-item .mini svg { width: 72%; }
.cart-item .mini img { width: 100%; height: 100%; object-fit: contain; padding: 6px; display: block; }
.cart-item .nm { font-weight: 600; font-size: calc(14px * var(--fs)); }
.cart-item .sp { font-size: calc(12px * var(--fs)); color: var(--muted); margin-top: 3px; }
.cart-item input[type=number] {
  width: 100%; height: 38px; border: 1px solid var(--line); border-radius: 9px;
  text-align: center; font-family: inherit; font-size: calc(13.5px * var(--fs)); font-weight: 600; outline: none;
}
.cart-item input[type=number]:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(11,99,229,.1); }
.cart-item .ln { text-align: right; font-weight: 700; color: var(--navy); font-variant-numeric: tabular-nums; }
.cart-item .rm { background: none; border: 0; font-size: calc(20px * var(--fs)); color: #b6c2d2; cursor: pointer; line-height: 1; }
.cart-item .rm:hover { color: #dc2626; }
.summary { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); display: grid; gap: 8px; max-width: 380px; margin-left: auto; }
.summary .r { display: flex; justify-content: space-between; font-size: calc(13.5px * var(--fs)); color: var(--muted); }
.summary .r span:last-child { color: var(--ink); font-variant-numeric: tabular-nums; }
.summary .grand { font-size: calc(18px * var(--fs)); font-weight: 700; color: var(--navy); padding-top: 10px; border-top: 1px dashed var(--line); }
.summary .grand span:last-child { color: var(--navy); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: calc(12px * var(--fs)); font-weight: 600; color: var(--ink-2); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid #dde4ef; border-radius: 9px; padding: 10px 12px;
  font-family: inherit; font-size: calc(13.5px * var(--fs)); outline: none; background: #fff; color: var(--ink); transition: .15s;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(11,99,229,.1); }
.field .tip { font-size: calc(11.5px * var(--fs)); color: var(--faint); margin-top: 5px; }
.field label .opt { font-weight: 500; color: var(--faint); }

/* 询单页：隐私 / 运费 / 税号说明 */
.submit-grid { grid-template-columns: 1.4fr 1fr; }
@media (max-width: 980px) { .submit-grid { grid-template-columns: 1fr; } }
.sub-priv { display: inline-flex; align-items: center; gap: 7px; font-size: calc(12.3px * var(--fs)); line-height: 1.5; color: #5b6b82; }
.sub-priv svg { width: 14px; height: 14px; flex: 0 0 14px; color: var(--blue); }
.sub-note {
  display: flex; align-items: flex-start; gap: 10px; margin-top: 16px; padding: 13px 15px;
  background: #f5f8fd; border: 1px solid #e4ecf8; border-radius: 10px;
}
/* 右侧固定咨询栏会压住版心右边缘，说明块留出避让空间 */
.sub-note { padding-right: 34px; }
@media (max-width: 1180px) { .sub-note { padding-right: 15px; } }
.sub-note svg { width: 15px; height: 15px; flex: 0 0 15px; margin-top: 1px; color: var(--blue); }
.sub-note p { margin: 0 0 7px; font-size: calc(12px * var(--fs)); line-height: 1.65; color: #4d5f75; }
.sub-note p:last-child { margin-bottom: 0; }
.sub-note b { color: #1b3350; font-weight: 700; }

/* ---------------- modals / toast ---------------- */
.modal { position: fixed; inset: 0; background: rgba(10,34,64,.5); backdrop-filter: blur(3px); z-index: 80; display: grid; place-items: center; padding: 20px; }
.modal-box { background: #fff; border-radius: 16px; padding: 28px; width: 100%; max-width: 420px; max-height: 90vh; overflow-y: auto; position: relative; box-shadow: var(--shadow-lg); }
.modal-box h3 { font-size: calc(21px * var(--fs)); letter-spacing: -.4px; }
.msub { color: var(--muted); font-size: calc(13px * var(--fs)); margin: 6px 0 18px; }
.modal-box label { display: block; font-size: calc(12px * var(--fs)); font-weight: 600; color: #44536b; margin: 12px 0 6px; }
.modal-box label i { font-style: normal; color: #dc2626; margin-left: 3px; }
.modal-box label .opt { color: var(--faint); font-weight: 500; }
.modal-box input, .modal-box select { width: 100%; border: 1px solid var(--line); border-radius: 9px; padding: 10px 13px; font-family: inherit; font-size: calc(14px * var(--fs)); outline: none; background: #fff; color: var(--ink); }
.modal-box select { height: 42px; cursor: pointer; }
.modal-box input:focus, .modal-box select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(11,99,229,.12); }
/* 注册：密码强度提示 + 二次输入一致性 */
.pw-rules { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.pw-rules span { font-size: calc(11px * var(--fs)); color: var(--faint); background: #f4f7fb; border: 1px solid var(--line); border-radius: 6px; padding: 3px 7px; transition: .15s; }
.pw-rules span.met { color: #0b7a45; background: #e8f7ee; border-color: #a7e0bf; font-weight: 600; }
.pw-hint { margin: 8px 0 2px; font-size: calc(11.5px * var(--fs)); color: var(--muted); line-height: 1.6; }
.pw-match { font-size: calc(11.5px * var(--fs)); line-height: 1.5; min-height: 0; margin-top: 6px; }
.pw-match.bad { color: #dc2626; font-weight: 600; }
.pw-match.good { color: #0b7a45; font-weight: 600; }
.modal-box .x { position: absolute; right: 14px; top: 12px; background: transparent; border: 0; font-size: calc(22px * var(--fs)); color: #9aa8bd; cursor: pointer; line-height: 1; }
.modal-box .x:hover { color: var(--ink); }
.switch { font-size: calc(12.5px * var(--fs)); color: var(--muted); text-align: center; margin: 14px 0 0; }
.switch a { color: var(--blue); font-weight: 600; }
.demo { font-size: calc(11.5px * var(--fs)); color: #9aa8bd; text-align: center; margin: 10px 0 0; }
.err { color: #dc2626; font-size: calc(12.5px * var(--fs)); min-height: 0; }
.err:not(:empty) { background: #fef2f2; border: 1px solid #fecaca; border-radius: 8px; padding: 9px 12px; margin-bottom: 6px; }

.toast {
  position: fixed; left: 50%; bottom: 32px; transform: translateX(-50%);
  background: var(--navy); color: #fff; padding: 12px 22px; border-radius: 10px;
  font-size: calc(13.5px * var(--fs)); z-index: 99; box-shadow: 0 16px 40px rgba(10,34,64,.35);
  animation: tin .2s ease-out; max-width: 90vw;
}
@keyframes tin { from { transform: translate(-50%, 10px); opacity: 0; } to { transform: translate(-50%, 0); opacity: 1; } }
.toast.ok { background: #0b7a45; }
.toast.bad { background: #b91c1c; }

/* ---------------- success ---------------- */
.success { text-align: center; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 52px 30px; max-width: 660px; margin: 26px auto; }
.success .tick { width: 62px; height: 62px; border-radius: 50%; background: #e6f7ee; color: var(--ok); display: grid; place-items: center; font-size: calc(30px * var(--fs)); margin: 0 auto 20px; }
.success h2 { font-size: calc(25px * var(--fs)); letter-spacing: -.6px; margin-bottom: 10px; }
.success p { color: var(--muted); font-size: calc(14px * var(--fs)); max-width: 440px; margin: 0 auto 8px; }
.success .ref { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; background: #f2f6fb; border-radius: 8px; padding: 9px 16px; display: inline-block; margin: 16px 0 22px; font-weight: 700; color: var(--navy); font-size: calc(15px * var(--fs)); }

/* ---------------- inquiry status ---------------- */
.inq { display: flex; align-items: center; justify-content: space-between; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; margin-bottom: 10px; cursor: pointer; transition: .15s; }
.inq:hover { border-color: #c9dcf8; box-shadow: var(--shadow-sm); }
.inq .t { font-weight: 600; font-size: calc(14px * var(--fs)); }
.inq .l { min-width: 0; }
.inq .s { font-size: calc(12px * var(--fs)); color: var(--muted); margin-top: 4px; }
.status { display: inline-block; font-size: calc(11px * var(--fs)); font-weight: 700; padding: 4px 11px; border-radius: 6px; white-space: nowrap; text-transform: capitalize; letter-spacing: .2px; }
.s-submitted { background: #e0edff; color: #0b4ec7; }
.s-pi_ready { background: #fff2d9; color: #a35a00; }
.s-pi_sent { background: #ede9fe; color: #6d28d9; }
.s-confirmed { background: #d8f3e4; color: #0b7a45; }
.s-paid { background: #d1fae5; color: #047857; }
.s-to_ship { background: #ffeede; color: #b45309; }
.s-shipped { background: #dbeafe; color: #1d4ed8; }
.s-closed { background: #f1f5f9; color: #64748b; }

.timeline { display: flex; margin: 26px 0 8px; }
.tl { flex: 1; text-align: center; position: relative; font-size: calc(11.5px * var(--fs)); color: #9aa8bd; }
.tl::before { content: ""; display: block; width: 15px; height: 15px; border-radius: 50%; background: #e6ecf5; margin: 0 auto 8px; border: 3px solid #fff; box-shadow: 0 0 0 1px #e6ecf5; position: relative; z-index: 1; }
.tl::after { content: ""; position: absolute; top: 7px; left: 50%; width: 100%; height: 2px; background: #e6ecf5; z-index: 0; }
.tl:last-child::after { display: none; }
.tl.done { color: var(--ink); font-weight: 600; }
.tl.done::before { background: var(--blue); box-shadow: 0 0 0 1px var(--blue); }
.tl.done:has(+ .tl.done)::after { background: var(--blue); }

/* ---------------- shipment tracking ---------------- */
.note-box { margin-top: 18px; border-radius: 10px; padding: 13px 15px; font-size: calc(13px * var(--fs)); }
.note-box.warn { background: #fff8ec; border: 1px solid #f5e0bb; }
.note-box.ok { background: #eefaf2; border: 1px solid #cdeed9; color: #0b6b3a; }
.ship { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px 16px; margin-top: 18px; box-shadow: var(--shadow-sm); }
.ship-head { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; padding-bottom: 16px; border-bottom: 1px solid var(--line-2); }
.ship-k { font-size: calc(10.5px * var(--fs)); letter-spacing: .8px; text-transform: uppercase; color: var(--faint); font-weight: 600; }
.ship-v { font-size: calc(14.5px * var(--fs)); font-weight: 650; margin-top: 4px; letter-spacing: -.2px; }
.ship-v.mono { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: calc(13.5px * var(--fs)); }
.track { margin-top: 14px; min-height: 40px; }
.track-list { position: relative; }
.tk { position: relative; display: flex; gap: 14px; padding-bottom: 20px; }
.tk::before { content: ""; position: absolute; left: 4px; top: 16px; bottom: 0; width: 1.5px; background: #e8eef7; }
.tk:last-child { padding-bottom: 4px; }
.tk:last-child::before { display: none; }
.tk-dot { width: 9px; height: 9px; border-radius: 50%; background: #d3dcea; margin-top: 6px; flex: 0 0 9px; position: relative; z-index: 1; }
.tk.cur .tk-dot { background: var(--blue); box-shadow: 0 0 0 4px rgba(11,99,229,.14); }
.tk-body { min-width: 0; }
.tk-h { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.tk-stage { font-size: calc(11px * var(--fs)); font-weight: 700; letter-spacing: .3px; color: #6c7d94; background: #f2f6fc; border-radius: 5px; padding: 1px 7px; }
.tk.cur .tk-stage { background: #e6efff; color: var(--blue-d); }
.tk-time { font-size: calc(12px * var(--fs)); color: #93a2b8; font-variant-numeric: tabular-nums; }
.tk-desc { font-size: calc(13.5px * var(--fs)); color: #33445c; margin-top: 3px; }
.tk.cur .tk-desc { color: var(--ink); font-weight: 600; }
.tk-loc { font-size: calc(12px * var(--fs)); color: #8494ab; margin-top: 2px; }
.track-empty { font-size: calc(13px * var(--fs)); color: var(--muted); padding: 8px 0 4px; }
.track-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 12px; padding-top: 12px; border-top: 1px dashed #e8eef7; font-size: calc(12px * var(--fs)); color: #93a2b8; }
.linkbtn { background: none; border: 0; color: var(--blue); font-size: calc(12.5px * var(--fs)); font-weight: 600; cursor: pointer; padding: 0; }
.linkbtn:hover { text-decoration: underline; }

/* ---------------- footer ---------------- */
.foot { background: var(--navy); color: #b6c8de; margin-top: 64px; }
.fgrid { display: grid; grid-template-columns: 1.5fr .9fr .9fr 1.1fr; gap: 40px; padding: 54px 24px 42px; }
.brandcol .flogo { height: 46px; width: auto; display: block; margin-bottom: 18px; opacity: .96; }
.fcol p { font-size: calc(12.5px * var(--fs)); line-height: 1.85; color: #93a9c4; margin: 0 0 10px; }
.fcol h5 { font-size: calc(12px * var(--fs)); letter-spacing: 1.2px; text-transform: uppercase; color: #fff; margin-bottom: 16px; font-weight: 700; }
.fcol a { display: block; font-size: calc(12.5px * var(--fs)); color: #a9bdd6; padding: 5px 0; transition: color .15s; }
.fcol a:hover { color: #fff; }
.fcert { font-size: calc(11.5px * var(--fs)) !important; color: #7e96b4 !important; letter-spacing: .4px; }
.fsoc { display: flex; gap: 10px; margin-top: 16px; }
.fsoc a { width: 34px; height: 34px; border-radius: 9px; border: 1px solid rgba(255,255,255,.14); display: grid; place-items: center; color: #cfe0f3; padding: 0; }
.fsoc a:hover { background: rgba(255,255,255,.1); color: #fff; }
.fsoc svg { width: 16px; height: 16px; }
.fcontact .frow { display: flex; gap: 10px; font-size: calc(12.5px * var(--fs)); margin-bottom: 9px; color: #a9bdd6; }
.fcontact .frow span { color: #6f88a6; min-width: 66px; }
.fcontact .frow b { color: #dce8f6; font-weight: 500; word-break: break-word; }
.fnote { font-size: calc(11.5px * var(--fs)) !important; color: #7e96b4 !important; margin-top: 14px !important; }
.fbottom {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 20px 24px; border-top: 1px solid rgba(255,255,255,.09); font-size: calc(11.5px * var(--fs)); color: #8298b8;
}
.fbottom b { color: #cfe0f3; font-weight: 600; }
.fbottom a { color: #9dc2ff; }




/* ---------------- 悬浮客服栏 ---------------- */
.rail { position: fixed; right: 18px; bottom: 110px; z-index: 70; display: flex; flex-direction: column; gap: 10px; }
.rail-btn {
  position: relative; width: 56px; height: 56px; border-radius: 15px; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  background: #fff; color: var(--navy); border: 1px solid var(--line);
  box-shadow: 0 10px 26px -12px rgba(10, 34, 64, .5); font-family: inherit;
  font-size: calc(8.5px * var(--fs)); font-weight: 700; text-decoration: none; letter-spacing: 0;
  white-space: nowrap; padding: 0 3px; line-height: 1.1;
  transition: transform .15s, box-shadow .15s, background .15s;
}
.rail-btn span { display: block; max-width: 100%; overflow: hidden; text-overflow: clip; }
.rail-btn svg { width: 21px; height: 21px; }
.rail-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -12px rgba(10, 34, 64, .55); }
.rail-btn.wa { background: #22c55e; border-color: #22c55e; color: #fff; }
.rail-btn.wa:hover { background: #16a34a; }
.rail-btn.top { height: 42px; border-radius: 12px; color: var(--muted); }
.rail-btn.top svg { width: 17px; height: 17px; }
.rail-dot {
  position: absolute; top: -3px; right: -3px; width: 12px; height: 12px; border-radius: 50%;
  background: #22c55e; border: 2.5px solid #fff; box-shadow: 0 0 0 1px rgba(34,197,94,.4);
  animation: railPulse 2s infinite;
}
@keyframes railPulse { 0%,100% { box-shadow: 0 0 0 0 rgba(34,197,94,.55); } 50% { box-shadow: 0 0 0 6px rgba(34,197,94,0); } }

/* ---------------- responsive ---------------- */
@media (max-width: 1180px) {
  .nav { grid-template-columns: auto 1fr auto; gap: 18px; }
  .hact .htxt { display: none; }
  .hact { padding: 6px 8px; }
  .grid { grid-template-columns: repeat(3, 1fr); }
  .cats { grid-template-columns: repeat(3, 1fr); }
  .hero2 { padding-top: 44px; padding-bottom: 34px; }
  .statcards { grid-template-columns: 1fr 1fr; max-width: 720px; }
  .fgrid { grid-template-columns: 1.4fr 1fr 1fr; }
  .fcol.fcontact { grid-column: 1 / -1; }
  .flow { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 28px; padding: 26px 16px 28px; }
  .flow-step::before, .flow-step::after { display: none; }
  .flow-ico { margin-top: 18px; margin-bottom: 10px; }
}
@media (max-width: 980px) {
  .search { max-width: none; }
  .nav { height: auto; padding-top: 14px; padding-bottom: 14px; grid-template-columns: 1fr auto; grid-template-areas: "brand acts" "search search"; row-gap: 12px; }
  .brand { grid-area: brand; }
  .hacts { grid-area: acts; }
  .search { grid-area: search; max-width: none; }
  .nlinks { overflow-x: auto; }
  .ndrop, .nitem::after { display: none; }
  .nchev { display: none; }
  .nlinks::-webkit-scrollbar { height: 0; }
  .hero2 h1 { font-size: calc(36px * var(--fs)); letter-spacing: -1.2px; }
  .statcards { grid-template-columns: 1fr 1fr; }
  .trustrow { grid-template-columns: 1fr 1fr; }
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .utility { display: none; }
  .hero2 { padding: 34px calc(50vw - 50%) 28px; }
  .hero2 h1 { font-size: calc(28px * var(--fs)); letter-spacing: -1px; }
  .lede2 { font-size: calc(13.5px * var(--fs)); }
  .hsearch { height: 48px; }
  .hsearch .hqcat { display: none; }
  .hsearch button { width: 92px; font-size: calc(13px * var(--fs)); }
  .statcards { grid-template-columns: 1fr; gap: 10px; margin-top: 30px; }
  .statcard { padding: 16px 18px; }
  .nrow { gap: 0; height: 46px; }
  .catbtn { padding: 0 12px 0 0; font-size: calc(12.5px * var(--fs)); }
  .wrap { padding: 0 16px; }
  .grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .cats { grid-template-columns: 1fr 1fr; }
  .cat .ico { aspect-ratio: 16/10; }
  .sechead { flex-direction: column; align-items: flex-start; gap: 10px; }
  .sechead h3 { font-size: calc(21px * var(--fs)); }
  .band { padding: 28px 24px; }
  .band h4 { font-size: calc(21px * var(--fs)); }
  .nquote { display: none; }
  .fgrid { grid-template-columns: 1fr; gap: 26px; padding: 40px 16px 30px; }
  .cart-item { grid-template-columns: 72px 1fr; gap: 10px; }
  .cart-item .ln, .cart-item .rm { grid-column: 2; text-align: left; justify-self: start; }
  .form-grid { grid-template-columns: 1fr; }
  .gallery { flex-direction: column-reverse; gap: 10px; }
  .gthumbs { flex-direction: row; max-height: none; overflow-x: auto; overflow-y: hidden; width: 100%; }
  .gthumb { width: 56px; height: 56px; flex: 0 0 56px; }
  .gmain { width: 100%; }
  .lightbox { padding: 20px 14px; }
  .lb-nav { display: none; }
  .ptabs { gap: 18px; }
  .ppanel { padding-top: 18px; }
  .rv-top { gap: 18px; }
  .timeline { overflow-x: auto; }
  .tl { min-width: 74px; }
  .ship-head { grid-template-columns: 1fr; gap: 10px; }
  .buybox .btn { min-width: 100%; }
  .rail { right: 10px; bottom: 16px; gap: 8px; }
  .rail-btn { width: 46px; height: 46px; border-radius: 12px; }
  .rail-btn span { display: none; }
  .rail-btn.top { height: 38px; }
  .flow { row-gap: 22px; padding: 22px 12px 24px; }
  .flow-step { padding: 0 6px; }
  .flow-ico { width: 40px; height: 40px; margin: 14px auto 9px; }
  .flow-step h5 { font-size: calc(13.2px * var(--fs)); }
}
@media (max-width: 480px) {
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; padding: 20px 12px 20px; }
  .flow-step { background: #fbfdff; border: 1px solid var(--line-2); border-radius: 12px; padding: 16px 8px 15px; }
  .flow-node { width: 34px; height: 34px; box-shadow: 0 0 0 4px #eaf2fe; }
  .flow-node b { font-size: calc(14px * var(--fs)); }
  .flow-ico { width: 36px; height: 36px; margin: 14px auto 9px; border-radius: 10px; }
  .flow-ico svg { width: 19px; height: 19px; }
  .flow-step h5 { font-size: calc(12.5px * var(--fs)); }
  .cats { grid-template-columns: 1fr; }
  .cat .ico { aspect-ratio: 16 / 8; }
  .cat .ico svg { width: 72px; height: 72px; }
  .cat .ico img { width: 76px; height: 76px; }
}

/* ---------------- global type scale ----------------
   全部正文/标题字号统一放大；导航栏 .mainnav 内继承 --fs:1 保持原尺寸。
   想再调大小，只改下面这几个数字即可。 */
:root { --fs: 1.18; }
.mainnav { --fs: 1; }
@media (max-width: 980px) { :root { --fs: 1.14; } }
@media (max-width: 720px) { :root { --fs: 1.10; } }
@media (max-width: 480px) { :root { --fs: 1.08; } }

/* ---------------- help center / SEO articles ---------------- */
.help-hero {
  background: linear-gradient(180deg, #f0f6ff 0%, #fff 100%);
  margin-left: calc(50% - 50vw); margin-right: calc(50% - 50vw);
  padding: 54px calc(50vw - 50%) 42px;
  border-bottom: 1px solid var(--line); text-align: center;
}
.help-eyebrow {
  display: inline-block; font-size: calc(10.5px * var(--fs)); font-weight: 700;
  letter-spacing: 1.7px; text-transform: uppercase; color: var(--blue); margin-bottom: 14px;
}
.help-hero h1 { font-size: calc(42px * var(--fs)); letter-spacing: -1.4px; color: var(--navy); margin: 0 0 14px; }
.help-hero > p { font-size: calc(15px * var(--fs)); color: var(--muted); max-width: 640px; margin: 0 auto 26px; line-height: 1.8; }
.help-search {
  display: flex; align-items: center; gap: 10px; max-width: 620px; margin: 0 auto; height: 54px;
  background: #fff; border: 1.5px solid #cfdcee; border-radius: 11px; padding: 0 16px;
  box-shadow: 0 12px 30px -24px rgba(10, 34, 64, .7); transition: border-color .15s, box-shadow .15s;
}
.help-search:focus-within { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(11, 99, 229, .1); }
.help-search svg { width: 20px; height: 20px; flex: 0 0 20px; color: var(--faint); }
.help-search input { flex: 1; min-width: 0; border: 0; outline: 0; font-family: inherit; font-size: calc(14.5px * var(--fs)); color: var(--ink); }
.help-quick { margin-top: 18px; display: flex; justify-content: center; align-items: center; gap: 8px; flex-wrap: wrap; font-size: calc(12px * var(--fs)); color: var(--faint); }
.help-quick a { color: #41546d; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 4px 12px; font-weight: 500; }
.help-quick a:hover { color: var(--blue); border-color: var(--blue); background: #f5faff; }

.help-meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 28px 0 0; font-size: calc(12.5px * var(--fs)); color: var(--faint); }
.help-meta b { color: var(--ink-2); font-size: calc(13px * var(--fs)); }
.help-empty { margin-top: 24px; padding: 30px; text-align: center; background: #fff; border: 1px dashed var(--line); border-radius: 12px; color: var(--muted); font-size: calc(13.5px * var(--fs)); }
.help-group { margin-top: 42px; }
.help-group-h {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  margin: 0 0 2px; padding: 0 0 12px 13px; border-bottom: 1px solid var(--line);
  position: relative; font-size: calc(17px * var(--fs)); font-weight: 700;
  letter-spacing: -.3px; color: var(--navy);
}
.help-group-h::before {
  content: ''; position: absolute; left: 0; top: 1px; bottom: 13px; width: 3px;
  border-radius: 2px; background: var(--blue);
}
.help-group-h span { font-size: calc(11.5px * var(--fs)); font-weight: 600; color: var(--faint); letter-spacing: .2px; }
.help-list { list-style: none; margin: 0; padding: 0; }
.help-row {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 15px 2px; border-bottom: 1px solid var(--line-2);
  font-size: calc(15px * var(--fs)); font-weight: 600; line-height: 1.5; color: var(--ink);
  transition: color .15s, padding-left .15s;
}
.help-row span { min-width: 0; }
.help-row svg { width: 16px; height: 16px; flex: 0 0 16px; color: #b6c3d3; transition: transform .15s, color .15s; }
.help-row:hover { color: var(--blue); padding-left: 6px; }
.help-row:hover svg { color: var(--blue); transform: translateX(2px); }

.help-cta {
  margin-top: 48px; background: linear-gradient(120deg, var(--navy), var(--navy-2)); border-radius: 16px;
  padding: 30px 34px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.help-cta h3 { font-size: calc(21px * var(--fs)); color: #fff; margin-bottom: 6px; }
.help-cta p { margin: 0; font-size: calc(13px * var(--fs)); color: #b9cbe2; max-width: 560px; line-height: 1.75; }
.help-cta-btns { display: flex; gap: 10px; flex-wrap: wrap; }

/* 首页「Help & buying guides」 */
.home-help { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.home-help-card {
  position: relative; display: flex; flex-direction: column; gap: 8px; min-height: 190px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 22px 20px;
  transition: transform .16s, border-color .16s, box-shadow .16s;
}
.home-help-card:hover { transform: translateY(-3px); border-color: #c4d9f7; box-shadow: var(--shadow); }
.hh-num { position: absolute; right: 18px; top: 12px; font-size: calc(30px * var(--fs)); font-weight: 800; color: #edf3fc; letter-spacing: -1px; }
.hh-cat { font-size: calc(11px * var(--fs)); font-weight: 700; letter-spacing: .6px; text-transform: uppercase; color: var(--blue); }
.home-help-card b { font-size: calc(16px * var(--fs)); line-height: 1.4; color: var(--ink); max-width: 90%; }
.hh-txt { font-size: calc(12.8px * var(--fs)); line-height: 1.7; color: var(--muted); flex: 1; }
.hh-more { display: inline-flex; align-items: center; gap: 6px; font-size: calc(12.5px * var(--fs)); font-weight: 650; color: var(--blue); }
.hh-more svg { width: 14px; height: 14px; }

/* 文章详情 */
.help-bread { flex-wrap: wrap; }
.help-layout { display: grid; grid-template-columns: minmax(0, 1fr) 282px; gap: 36px; align-items: start; padding-bottom: 20px; }
.help-article { min-width: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 38px 30px; }
.help-article-head { border-bottom: 1px solid var(--line-2); padding-bottom: 22px; margin-bottom: 8px; }
.help-article-head h1 { font-size: calc(32px * var(--fs)); line-height: 1.25; letter-spacing: -.9px; color: var(--navy); margin: 0 0 12px; }
.help-lead { font-size: calc(15px * var(--fs)); line-height: 1.8; color: var(--muted); margin: 0 0 16px; }
.help-byline { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: calc(12px * var(--fs)); color: var(--faint); }
.help-prose { max-width: none; font-size: calc(15px * var(--fs)); padding-top: 12px; }
.help-prose h2 { font-size: calc(22px * var(--fs)); margin: 32px 0 12px; scroll-margin-top: 90px; }
.help-prose h3 { font-size: calc(17px * var(--fs)); margin: 24px 0 8px; }
.help-prose p, .help-prose li { line-height: 1.9; }
.help-prose table { font-size: calc(13.5px * var(--fs)); }
.help-prose th { background: #f5f8fd; }
.help-prose th, .help-prose td { padding: 10px 12px; }

/* 文章里的真实操作演示图（可点开看大图） */
.help-prose .guide-note {
  background: #f2f7ff; border: 1px solid #d9e8fd; border-radius: 9px;
  padding: 11px 15px; margin: 16px 0 22px; font-size: calc(12.5px * var(--fs));
  color: #37557f; line-height: 1.7;
}
.help-prose .guide-note strong { color: var(--navy); }
.help-prose figure.guide-fig { margin: 22px 0 28px; }
.help-prose figure.guide-fig a {
  display: block; position: relative; text-decoration: none;
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  background: #f8fafc; transition: border-color .16s, box-shadow .16s;
}
.help-prose figure.guide-fig a:hover { border-color: #b9d3f7; box-shadow: var(--shadow); }
.help-prose figure.guide-fig a::after {
  content: 'Click to enlarge ↗'; position: absolute; right: 10px; top: 10px;
  background: rgba(10, 34, 64, .82); color: #fff; border-radius: 6px;
  padding: 5px 9px; font-size: calc(11px * var(--fs)); font-weight: 600;
  opacity: 0; transition: opacity .16s;
}
.help-prose figure.guide-fig a:hover::after { opacity: 1; }
.help-prose figure.guide-fig img {
  width: 100%; height: auto; display: block; margin: 0; padding: 0;
  border: 0; border-radius: 0;
}
.help-prose figure.guide-fig figcaption {
  margin-top: 9px; text-align: center; line-height: 1.7;
  font-size: calc(12.5px * var(--fs)); color: var(--muted);
}
.help-prose figure.guide-fig figcaption strong { color: var(--ink-2); }
.help-article-foot { margin-top: 26px; border-top: 1px solid var(--line-2); padding-top: 20px; }
.help-pn { display: flex; justify-content: space-between; gap: 16px; }
.help-pn a { display: flex; flex-direction: column; gap: 3px; max-width: 46%; padding: 12px 16px; border: 1px solid var(--line); border-radius: 10px; transition: .15s; }
.help-pn a:hover { border-color: var(--blue); background: #f7fbff; }
.help-pn a.next { text-align: right; margin-left: auto; }
.help-pn small { font-size: calc(11px * var(--fs)); color: var(--faint); }
.help-pn b { font-size: calc(13px * var(--fs)); color: var(--ink-2); line-height: 1.45; }

.help-aside { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 14px; }
.help-toc, .help-aside-box, .help-related { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; }
.help-toc h4, .help-aside-box h4, .help-related h4 { font-size: calc(12px * var(--fs)); font-weight: 700; letter-spacing: .8px; text-transform: uppercase; color: var(--faint); margin: 0 0 12px; }
.help-toc a { display: block; font-size: calc(12.8px * var(--fs)); color: var(--muted); padding: 6px 0 6px 12px; border-left: 2px solid var(--line); line-height: 1.5; }
.help-toc a:hover, .help-toc a.active { color: var(--blue); border-left-color: var(--blue); }
.help-aside-box { background: #f3f8ff; border-color: #dceafd; }
.help-aside-box h4 { color: var(--navy); text-transform: none; letter-spacing: 0; font-size: calc(15px * var(--fs)); }
.help-aside-box p { margin: 0 0 14px; font-size: calc(12.8px * var(--fs)); line-height: 1.75; color: var(--muted); }
.help-aside-box .btn svg { width: 14px; height: 14px; }
.help-related a { display: block; font-size: calc(12.8px * var(--fs)); color: var(--ink-2); padding: 7px 0; border-bottom: 1px dashed var(--line-2); line-height: 1.5; }
.help-related a:last-child { border-bottom: 0; }
.help-related a:hover { color: var(--blue); }

@media (max-width: 1180px) {
  .home-help { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .help-layout { grid-template-columns: minmax(0, 1fr) 240px; gap: 24px; }
  .help-article { padding: 28px 26px 26px; }
}
@media (max-width: 980px) {
  .help-layout { grid-template-columns: 1fr; }
  .help-aside { position: static; flex-direction: row; flex-wrap: wrap; }
  .help-aside > * { flex: 1 1 260px; }
}
@media (max-width: 720px) {
  .help-hero { padding: 34px calc(50vw - 50%) 30px; }
  .help-hero h1 { font-size: calc(30px * var(--fs)); }
  .help-hero > p { font-size: calc(13.5px * var(--fs)); }
  .help-search { height: 48px; }
  .home-help { grid-template-columns: 1fr; }
  .help-cta { padding: 24px; }
  .help-article { padding: 22px 18px; }
  .help-article-head h1 { font-size: calc(25px * var(--fs)); }
  .help-aside { flex-direction: column; }
}

/* ---------------- 导航金色角标：提示提供定制化服务 ---------------- */
.nlinks > a.nav-featured { color: #ffe2a4; }
.nlinks > a.nav-featured:hover { color: #fff; }
.nav-badge {
  display: inline-grid; place-items: center; width: 17px; height: 17px;
  margin-left: 3px; vertical-align: -3px; border-radius: 50%;
  background: linear-gradient(160deg, #ffdd75, #e9a51b); color: #6a4400;
  box-shadow: 0 0 0 2px rgba(245, 179, 1, .16);
  animation: navStarGlow 2.8s ease-in-out infinite;
}
.nav-badge svg { display: block; }
@keyframes navStarGlow {
  0%, 100% { box-shadow: 0 0 0 2px rgba(245, 179, 1, .16); }
  50% { box-shadow: 0 0 0 4px rgba(245, 179, 1, .28), 0 0 10px rgba(245, 179, 1, .45); }
}

/* ---------------- Custom motors / OEM & ODM services page ---------------- */
.svc-bread { padding-top: 22px; }
.svc-eyebrow {
  display: inline-block; font-size: calc(10.5px * var(--fs)); font-weight: 700;
  letter-spacing: 1.6px; text-transform: uppercase; color: var(--blue);
}
/* 全宽工业风首屏：AI 生成的深色电机制造背景，横向铺满 */
.svc-hero {
  position: relative; overflow: hidden; display: flex; align-items: center;
  margin-left: calc(50% - 50vw); margin-right: calc(50% - 50vw);
  padding: 0 calc(50vw - 50%);
  min-height: 470px; margin-top: 6px;
  background: #071426 url('/img/services-hero.jpg') center 46% / cover no-repeat;
}
.svc-hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(4, 14, 30, .95) 0%, rgba(4, 14, 30, .86) 34%, rgba(4, 14, 30, .42) 66%, rgba(4, 14, 30, .12) 100%);
}
.svc-hero::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue-2), var(--blue) 32%, rgba(47, 134, 255, .12) 76%, transparent);
}
.svc-hero-in { position: relative; z-index: 1; width: 100%; padding: 58px 0 62px; }
.svc-hero .svc-eyebrow { color: #8dc0ff; }
.svc-hero h1 {
  font-size: calc(48px * var(--fs)); line-height: 1.1; letter-spacing: -1.8px; color: #fff;
  margin: 16px 0 16px; text-shadow: 0 2px 24px rgba(0, 0, 0, .38);
}
.svc-hero p { font-size: calc(14.5px * var(--fs)); line-height: 1.85; color: #c5d6ea; margin: 0 0 26px; max-width: 590px; }
.svc-hero .btn.light { box-shadow: 0 10px 28px -12px rgba(0, 0, 0, .7); }
.svc-hero-wa svg { width: 17px; height: 17px; flex: 0 0 auto; }
.svc-hero-wa svg:first-child { color: #16a34a; }
.svc-hero-tag {
  position: absolute; right: 72px; bottom: 24px; display: inline-flex; align-items: center; gap: 9px;
  font-size: calc(11px * var(--fs)); font-weight: 600; letter-spacing: .6px; color: #cfe2f8;
  background: rgba(6, 22, 44, .55); border: 1px solid rgba(160, 200, 255, .24);
  border-radius: 20px; padding: 7px 14px; backdrop-filter: blur(6px);
}
.svc-hero-tag span { width: 6px; height: 6px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 8px #4ade80; }

.svc-section { padding: 52px 0 8px; }
.svc-section.svc-alt {
  background: #f6f9fe; border-top: 1px solid #edf2fa; border-bottom: 1px solid #edf2fa;
  margin-left: calc(50% - 50vw); margin-right: calc(50% - 50vw);
  padding: 52px calc(50vw - 50%) 12px;
}
.svc-sec-h { display: flex; align-items: flex-start; gap: 18px; margin-bottom: 22px; }
.svc-num {
  flex: 0 0 44px; width: 44px; height: 44px; border-radius: 11px;
  background: #eaf2fe; color: var(--blue); display: grid; place-items: center;
  font-size: calc(15px * var(--fs)); font-weight: 800; letter-spacing: -.3px;
}
.svc-sec-h h2 { font-size: calc(26px * var(--fs)); letter-spacing: -.7px; color: var(--navy); margin: 4px 0 0; }
.svc-lead { font-size: calc(14px * var(--fs)); line-height: 1.9; color: var(--ink-2); margin: 12px 0 0; max-width: 940px; }
.svc-cap-h {
  font-size: calc(11.5px * var(--fs)); font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  color: var(--faint); margin: 26px 0 12px;
}
/* 真实部件照片网格（素材来自参考站 /skin/images） */
.svc-gallery { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.svc-gallery.svc-gallery-few { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.svc-gallery-item {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 10px 10px 12px;
  transition: transform .16s, border-color .16s, box-shadow .16s;
}
.svc-gallery-item:hover { transform: translateY(-3px); border-color: #b9d3f7; box-shadow: var(--shadow); }
.svc-gallery-img { width: 100%; aspect-ratio: 1 / 1; display: grid; place-items: center; background: #fff; border-radius: 9px; overflow: hidden; }
.svc-gallery-img img { width: 100%; height: 100%; object-fit: contain; display: block; transition: transform .2s; }
.svc-gallery-item:hover .svc-gallery-img img { transform: scale(1.06); }
.svc-gallery-label { font-size: calc(12px * var(--fs)); font-weight: 600; color: var(--ink-2); text-align: center; line-height: 1.35; }

/* OEM 章节：三大能力支柱 + 规整编号清单，取代大段长文和零散标签 */
.svc-pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin: 6px 0 4px; }
.svc-pillar { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 24px 24px 26px; }
.svc-pillar-ico {
  width: 44px; height: 44px; border-radius: 11px; display: grid; place-items: center;
  background: #eaf2fe; color: var(--blue); margin-bottom: 16px;
}
.svc-pillar-ico svg { width: 23px; height: 23px; }
.svc-pillar h4 { font-size: calc(15.5px * var(--fs)); color: var(--navy); margin-bottom: 9px; }
.svc-pillar p { margin: 0; font-size: calc(12.8px * var(--fs)); line-height: 1.85; color: var(--muted); }
.svc-numbered { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.svc-numbered-item {
  display: flex; align-items: flex-start; gap: 11px; min-height: 78px;
  background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 15px 15px;
  transition: border-color .15s, background .15s;
}
.svc-numbered-item:hover { border-color: #c2d9f7; background: #fbfdff; }
.svc-numbered-item b {
  flex: 0 0 auto; font-size: calc(10.5px * var(--fs)); font-weight: 800; color: var(--blue);
  background: #eaf2fe; border-radius: 5px; padding: 3px 6px; letter-spacing: .3px;
}
.svc-numbered-item span { font-size: calc(12.5px * var(--fs)); line-height: 1.6; color: var(--ink-2); }

.svc-methods { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 8px 0 26px; }
.svc-method { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px 22px; }
.svc-method h4 { font-size: calc(15px * var(--fs)); color: var(--navy); margin-bottom: 8px; line-height: 1.4; }
.svc-method p { margin: 0; font-size: calc(13px * var(--fs)); line-height: 1.8; color: var(--muted); }
.svc-checks { list-style: none; margin: 24px 0 30px; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 26px; }
.svc-checks li { display: flex; align-items: flex-start; gap: 9px; font-size: calc(13px * var(--fs)); line-height: 1.7; color: var(--ink-2); }
.svc-checks li svg { flex: 0 0 16px; width: 16px; height: 16px; color: var(--ok); margin-top: 4px; }

.svc-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin: 8px 0 26px; }
.svc-step { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px 20px 22px; }
.svc-step b { display: inline-block; font-size: calc(12px * var(--fs)); font-weight: 800; color: var(--blue); letter-spacing: .5px; margin-bottom: 10px; }
.svc-step h4 { font-size: calc(15px * var(--fs)); color: var(--navy); margin-bottom: 7px; }
.svc-step p { margin: 0; font-size: calc(12.5px * var(--fs)); line-height: 1.7; color: var(--muted); }

/* 底部咨询入口：邮件 / WhatsApp 二选一 */
.svc-consult {
  margin-top: 56px; background: linear-gradient(120deg, var(--navy), var(--navy-2));
  border-radius: 18px; padding: 40px 44px 34px; text-align: center; scroll-margin-top: 100px;
}
.svc-consult .svc-eyebrow { color: #8dbaff; }
.svc-consult h2 { font-size: calc(28px * var(--fs)); color: #fff; letter-spacing: -.7px; margin: 12px 0 10px; }
.svc-consult > p { font-size: calc(13.5px * var(--fs)); line-height: 1.85; color: #b9cbe2; max-width: 720px; margin: 0 auto 26px; }
.svc-consult-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; max-width: 760px; margin: 0 auto; }
.svc-contact-card {
  display: flex; align-items: center; gap: 14px; text-align: left;
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 12px; padding: 16px 18px; transition: background .16s, transform .16s, border-color .16s;
}
.svc-contact-card:hover { background: rgba(255, 255, 255, .14); transform: translateY(-2px); border-color: rgba(255, 255, 255, .36); }
.svc-contact-ico { flex: 0 0 44px; width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center; background: #fff; color: var(--blue); }
.svc-contact-card.wa .svc-contact-ico { background: #22c55e; color: #fff; }
.svc-contact-ico svg { width: 22px; height: 22px; }
.svc-contact-txt { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.svc-contact-txt b { font-size: calc(14.5px * var(--fs)); color: #fff; }
.svc-contact-txt small { font-size: calc(12px * var(--fs)); color: #a9c1df; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.svc-contact-go { color: #8dbaff; }
.svc-contact-go svg { width: 19px; height: 19px; display: block; }
.svc-consult-foot { margin-top: 22px !important; font-size: calc(11.5px * var(--fs)) !important; color: #8ba5c8 !important; }

@media (max-width: 1180px) {
  .svc-gallery { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .svc-numbered { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .svc-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 980px) {
  .svc-hero { min-height: 400px; background-position: 18% 46%; }
  .svc-hero::before { background: linear-gradient(90deg, rgba(4, 14, 30, .97) 0%, rgba(4, 14, 30, .90) 55%, rgba(4, 14, 30, .62) 100%); }
  .svc-hero-in { padding: 46px 0 50px; }
  .svc-gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .svc-pillars { grid-template-columns: 1fr; }
  .svc-pillar { padding: 18px 20px 20px; }
  .svc-pillar-ico { margin-bottom: 10px; }
  .svc-numbered { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .svc-checks, .svc-methods { grid-template-columns: 1fr; }
  .svc-section.svc-alt { padding: 40px calc(50vw - 50%) 12px; }
}
@media (max-width: 720px) {
  .svc-hero { min-height: 350px; background-position: 0% 46%; }
  .svc-hero::before { background: linear-gradient(90deg, rgba(4, 14, 30, .97) 0%, rgba(4, 14, 30, .92) 62%, rgba(4, 14, 30, .72) 100%); }
  .svc-hero-in { padding: 34px 0 38px; }
  .svc-hero h1 { font-size: calc(32px * var(--fs)); }
  .svc-hero p { font-size: calc(13px * var(--fs)); }
  .svc-hero-tag { display: none; }
  .svc-gallery, .svc-gallery.svc-gallery-few { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .svc-numbered { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .svc-numbered-item { min-height: 70px; padding: 12px; }
  .svc-steps { grid-template-columns: 1fr; }
  .svc-sec-h { gap: 12px; }
  .svc-sec-h h2 { font-size: calc(21px * var(--fs)); }
  .svc-num { flex-basis: 36px; width: 36px; height: 36px; }
  .svc-consult { padding: 30px 20px 26px; }
  .svc-consult h2 { font-size: calc(23px * var(--fs)); }
  .svc-consult-btns { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .svc-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .svc-gallery-item { padding: 7px 7px 9px; }
  .svc-gallery-label { font-size: calc(11px * var(--fs)); }
  .svc-numbered { grid-template-columns: 1fr; }
  .svc-numbered-item { min-height: 0; }
  .nav-badge { width: 15px; height: 15px; }
}

/* ================= About Us page (about-us) ================= */
.abt-page {
  --abt-navy: #0a2240;
  --abt-navy-2: #12325c;
  --abt-accent: #0b63e5;
  --abt-accent-d: #084bb0;
  --abt-bg: #f6f9fe;
  --abt-ink: #263445;
  --abt-mut: #5c6b7d;
  --abt-line: #e3e9f1;
  color: var(--abt-ink);
}
.abt-page .abt-h2 {
  margin: 14px 0 0; font-size: clamp(26px, 2.9vw, 40px); line-height: 1.16;
  letter-spacing: -1.1px; font-weight: 800; color: var(--abt-navy);
}

/* ---- buttons ---- */
.abt-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  height: 48px; padding: 0 24px; border-radius: 10px; border: 1px solid transparent;
  font-size: calc(14px * var(--fs)); font-weight: 700; white-space: nowrap; cursor: pointer;
  transition: transform .18s, box-shadow .18s, background .18s, border-color .18s, color .18s;
}
.abt-btn svg { width: 15px; height: 15px; }
.abt-btn.accent {
  background: linear-gradient(180deg, var(--blue-2), var(--blue)); color: #fff;
  box-shadow: 0 10px 24px -12px rgba(11, 99, 229, .95);
}
.abt-btn.accent:hover {
  background: linear-gradient(180deg, var(--blue), var(--blue-d)); transform: translateY(-1px);
  box-shadow: 0 16px 32px -14px rgba(11, 99, 229, 1);
}
.abt-btn.ghost { border-color: rgba(255, 255, 255, .42); color: #fff; }
.abt-btn.ghost:hover { background: rgba(255, 255, 255, .14); border-color: rgba(255, 255, 255, .72); }
.abt-btn.light { background: #fff; color: var(--abt-navy); }
.abt-btn.light:hover { transform: translateY(-1px); box-shadow: 0 16px 32px -18px rgba(0, 0, 0, .65); }
.abt-btn.outline { background: #fff; border-color: #d3dded; color: var(--abt-navy); }
.abt-btn.outline:hover { border-color: var(--abt-accent); color: var(--abt-accent-d); }

/* ---- 01 hero ---- */
.abt-hero {
  position: relative; overflow: hidden; display: flex; align-items: center;
  margin: 0 calc(50% - 50vw); padding: 0 calc(50vw - 50%);
  min-height: 620px; background: #0a2240; border-bottom: 3px solid var(--abt-accent);
}
.abt-hero-media { position: absolute; inset: 0; z-index: 0; overflow: hidden; background: #0a2240; }
.abt-hero-media img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: right center; }
.abt-hero::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, #0a2240 0%, rgba(10, 34, 64, .96) 34%, rgba(10, 34, 64, .72) 62%, rgba(10, 34, 64, .24) 100%);
}
.abt-hero-in { position: relative; z-index: 1; width: 100%; padding: 78px 0; }
.abt-hero-txt { max-width: 660px; }
.abt-eyebrow {
  display: inline-block; font-size: calc(11px * var(--fs)); font-weight: 800;
  letter-spacing: 2.4px; text-transform: uppercase; color: #8dc0ff;
}
.abt-hero h1 {
  margin: 18px 0 20px; font-size: clamp(34px, 3.9vw, 56px); line-height: 1.08;
  letter-spacing: -1.8px; font-weight: 800; color: #fff; text-shadow: 0 2px 30px rgba(0, 0, 0, .35);
}
.abt-hero p { margin: 0 0 24px; max-width: 600px; font-size: calc(14.5px * var(--fs)); line-height: 1.82; color: #a9bccf; }
.abt-hero p.abt-hero-lead { margin-bottom: 16px; font-size: clamp(15px, 1.35vw, 17.5px); line-height: 1.7; color: #e0e9f3; font-weight: 500; }
.abt-hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.abt-tagline {
  display: inline-flex; align-items: center; gap: 11px; margin-top: 34px;
  font-size: calc(11px * var(--fs)); font-weight: 800; letter-spacing: 2.2px;
  text-transform: uppercase; color: #8dc0ff;
}
.abt-tagline::before { content: ''; width: 26px; height: 2px; border-radius: 2px; background: var(--abt-accent); }

/* ---- anchor navigation ---- */
.abt-anchors {
  position: sticky; top: var(--abt-top, 128px); z-index: 45;
  margin: 0 calc(50% - 50vw); padding: 0 calc(50vw - 50%);
  background: rgba(255, 255, 255, .94); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--abt-line);
}
.abt-anchors-in { display: flex; align-items: center; gap: 2px; height: 56px; overflow-x: auto; scrollbar-width: none; }
.abt-anchors-in::-webkit-scrollbar { display: none; }
.abt-anchors a {
  position: relative; padding: 9px 14px; border-radius: 8px; white-space: nowrap;
  font-size: calc(13.5px * var(--fs)); font-weight: 600; color: var(--abt-mut);
  letter-spacing: -.1px; transition: color .15s, background .15s;
}
.abt-anchors a:hover { color: var(--abt-navy); background: #f1f4f7; }
.abt-anchors a.on { color: var(--abt-navy); background: #eaf2ff; }
.abt-anchors a.on::after {
  content: ''; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 2px; border-radius: 2px; background: var(--abt-accent);
}
.abt-anchors a.abt-anchors-cta {
  display: inline-flex; align-items: center; gap: 7px; margin-left: auto;
  padding: 9px 16px; background: var(--abt-navy); color: #fff; font-weight: 700;
}
.abt-anchors a.abt-anchors-cta svg { width: 14px; height: 14px; }
.abt-anchors a.abt-anchors-cta:hover { background: var(--abt-navy-2); color: #fff; }
.abt-anchors a.abt-anchors-cta::after { display: none; }

/* ---- shared section bits ---- */
.abt-sec { padding: 88px 0; }
.abt-sec.abt-alt {
  margin: 0 calc(50% - 50vw); padding: 88px calc(50vw - 50%);
  background: var(--abt-bg); border-top: 1px solid #e9eef4; border-bottom: 1px solid #e9eef4;
}
.abt-head { max-width: 840px; margin-bottom: 46px; }
.abt-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: calc(11px * var(--fs)); font-weight: 800; letter-spacing: 2.2px;
  text-transform: uppercase; color: var(--abt-accent);
}
.abt-kicker::before { content: ''; width: 22px; height: 1px; background: currentColor; opacity: .55; }
.abt-kicker b { margin-right: 2px; color: #a9b6c5; }
.abt-lead {
  margin: 16px 0 0; font-size: clamp(15.5px, 1.35vw, 17.5px); line-height: 1.72; color: #3f5062;
}

/* ---- 02 who we are ---- */
.abt-who-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(36px, 5vw, 80px); align-items: center; }
.abt-who-txt p { margin: 16px 0 0; font-size: calc(14.8px * var(--fs)); line-height: 1.86; color: #465568; }
.abt-who-txt p.abt-lead { color: #2b3c50; font-size: clamp(16px, 1.4vw, 18px); font-weight: 500; line-height: 1.65; }
.abt-quote {
  margin: 28px 0 0; padding: 18px 22px; border-left: 3px solid var(--abt-accent);
  background: #f4f8ff; border-radius: 0 10px 10px 0;
  font-size: calc(14.5px * var(--fs)); line-height: 1.72; color: #2b3c50; font-weight: 500;
}
.abt-who-fig { position: relative; margin: 0; }
.abt-who-fig::before {
  content: ''; position: absolute; left: -16px; top: -16px; width: 88px; height: 88px;
  border-top: 3px solid var(--abt-accent); border-left: 3px solid var(--abt-accent); border-radius: 12px 0 0 0;
}
.abt-who-fig img {
  display: block; width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover;
  border-radius: 18px; box-shadow: 0 34px 64px -44px rgba(10, 34, 64, .5);
}
.abt-who-fig figcaption {
  display: flex; align-items: center; gap: 9px; margin-top: 14px;
  font-size: calc(12px * var(--fs)); color: var(--abt-mut);
}
.abt-who-fig figcaption span { width: 6px; height: 6px; border-radius: 50%; background: var(--abt-accent); }

/* ---- 03 our story ---- */
.abt-story { padding: 0 0 88px; }
.abt-story-band {
  position: relative; overflow: hidden; height: clamp(250px, 34vw, 470px);
  margin: 0 calc(50% - 50vw); background: #0a2240;
}
.abt-story-band img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center 56%; }
.abt-story-band::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10, 34, 64, .3) 0%, rgba(10, 34, 64, 0) 42%, rgba(255, 255, 255, .05) 100%);
}
.abt-story-txt { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(30px, 4.5vw, 72px); padding-top: 58px; }
.abt-story-body p { margin: 0 0 16px; max-width: 660px; font-size: calc(14.8px * var(--fs)); line-height: 1.86; color: #465568; }
.abt-story-body p.abt-story-close { margin-bottom: 0; color: #22334a; font-weight: 600; }

/* ---- 04 what we offer ---- */
.abt-offers { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.abt-offer {
  display: flex; flex-direction: column; overflow: hidden; background: #fff;
  border: 1px solid var(--abt-line); border-radius: 16px;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.abt-offer:hover { transform: translateY(-3px); border-color: #c9d8ea; box-shadow: 0 26px 50px -34px rgba(10, 34, 64, .5); }
.abt-offer-img { display: block; overflow: hidden; aspect-ratio: 16 / 10; background: #eef1f4; }
.abt-offer-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s cubic-bezier(.2, .7, .3, 1); }
.abt-offer:hover .abt-offer-img img { transform: scale(1.045); }
.abt-offer-body { display: block; padding: 24px 26px 22px; }
.abt-offer-title { display: block; font-size: calc(18px * var(--fs)); font-weight: 800; color: var(--abt-navy); letter-spacing: -.3px; line-height: 1.3; }
.abt-offer-list { display: grid; grid-template-columns: 1fr 1fr; gap: 7px 18px; margin: 16px 0 20px; }
.abt-offer-list i { position: relative; padding-left: 15px; font-size: calc(13.2px * var(--fs)); font-style: normal; line-height: 1.5; color: #4e5e72; }
.abt-offer-list i::before {
  content: ''; position: absolute; left: 0; top: 7px; width: 5px; height: 5px; border-radius: 1px; background: var(--abt-accent);
}
.abt-offer-more { display: inline-flex; align-items: center; gap: 7px; font-size: calc(13px * var(--fs)); font-weight: 700; color: var(--abt-accent-d); }
.abt-offer-more svg { width: 14px; height: 14px; transition: transform .18s; }
.abt-offer:hover .abt-offer-more svg { transform: translateX(4px); }
.abt-foot-note { margin: 30px 0 0; max-width: 880px; font-size: calc(13.6px * var(--fs)); line-height: 1.8; color: var(--abt-mut); }

/* ---- 05 supply network ---- */
.abt-net-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.abt-net-card {
  position: relative; padding: 34px 32px 28px; background: #fff;
  border: 1px solid var(--abt-line); border-radius: 16px; transition: box-shadow .2s, border-color .2s;
}
.abt-net-card:hover { border-color: #c9d8ea; box-shadow: 0 26px 50px -38px rgba(10, 34, 64, .5); }
.abt-net-card::before { content: ''; position: absolute; left: 0; right: 0; top: 0; height: 3px; border-radius: 16px 16px 0 0; }
.abt-net-card.own::before { background: var(--abt-navy); }
.abt-net-card.oem::before { background: var(--abt-accent); }
.abt-net-badge {
  display: inline-block; padding: 5px 10px; border-radius: 6px; background: #f1f4f7;
  font-size: calc(10.5px * var(--fs)); font-weight: 800; letter-spacing: 1.4px;
  text-transform: uppercase; color: var(--abt-mut);
}
.abt-net-card h3 { margin: 16px 0 14px; font-size: calc(20px * var(--fs)); font-weight: 800; letter-spacing: -.4px; color: var(--abt-navy); }
.abt-net-card p { margin: 0 0 12px; font-size: calc(14.5px * var(--fs)); line-height: 1.8; color: #4a596c; }
.abt-net-card p b { color: var(--abt-navy); }
.abt-net-meta {
  display: block; margin-top: 16px; padding-top: 16px; border-top: 1px dashed #dde5ee;
  font-size: calc(12.5px * var(--fs)); font-weight: 600; color: var(--abt-mut);
}
.abt-merge { display: block; width: 100%; height: 76px; margin: 6px 0 0; }
.abt-merge path { fill: none; stroke: #bfcedd; stroke-width: 1.6; }
.abt-merge circle { fill: var(--abt-accent); }
.abt-platform {
  position: relative; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 32px;
  padding: 36px 40px; border-radius: 18px; color: #fff;
  background: linear-gradient(135deg, #0a2240 0%, #12325c 100%);
}
.abt-platform::after {
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: .45;
  background-image: linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 56px 100%;
}
.abt-platform-txt { position: relative; z-index: 1; }
.abt-platform-tag { display: inline-block; font-size: calc(10.5px * var(--fs)); font-weight: 800; letter-spacing: 1.8px; text-transform: uppercase; color: #8dc0ff; }
.abt-platform h3 { margin: 12px 0 10px; font-size: calc(24px * var(--fs)); font-weight: 800; letter-spacing: -.6px; }
.abt-platform p { margin: 0; max-width: 640px; font-size: calc(14.3px * var(--fs)); line-height: 1.8; color: #b8c9db; }
.abt-platform-cta { position: relative; z-index: 1; flex: 0 0 auto; }
.abt-net-note {
  display: flex; align-items: flex-start; gap: 9px; margin: 20px 0 0;
  font-size: calc(12.8px * var(--fs)); line-height: 1.7; color: var(--abt-mut);
}
.abt-net-note::before { content: ''; flex: 0 0 5px; width: 5px; height: 5px; margin-top: 8px; border-radius: 50%; background: var(--abt-accent); }
.abt-partner {
  display: grid; grid-template-columns: minmax(210px, 265px) 1fr auto; gap: 32px; align-items: center;
  margin-top: 30px; padding: 28px 32px; background: #fff;
  border: 1px solid var(--abt-line); border-left: 3px solid var(--abt-accent); border-radius: 14px;
}
.abt-partner-brand b { display: block; font-size: calc(21px * var(--fs)); font-weight: 800; letter-spacing: 1.6px; color: var(--abt-navy); }
.abt-partner-brand span { display: block; margin-top: 6px; font-size: calc(12.6px * var(--fs)); line-height: 1.5; color: var(--abt-mut); }
.abt-partner p { margin: 0; max-width: 560px; font-size: calc(14px * var(--fs)); line-height: 1.75; color: #4a596c; }

/* ---- 06 why choose ---- */
.abt-why { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.abt-why-card {
  position: relative; grid-column: span 2; padding: 30px 26px 26px; background: #fff;
  border: 1px solid var(--abt-line); border-radius: 14px; transition: transform .2s, box-shadow .2s, border-color .2s;
}
.abt-why-card:nth-child(4), .abt-why-card:nth-child(5) { grid-column: span 3; }
.abt-why-card:hover { transform: translateY(-3px); border-color: #c9d8ea; box-shadow: 0 24px 46px -34px rgba(10, 34, 64, .45); }
.abt-why-ico {
  display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px;
  background: #eef5ff; border: 1px solid #dbe8fb; color: var(--abt-accent-d);
}
.abt-why-ico svg { width: 23px; height: 23px; }
.abt-why-card h3 { margin: 18px 0 10px; font-size: calc(16.5px * var(--fs)); font-weight: 800; letter-spacing: -.2px; color: var(--abt-navy); }
.abt-why-card p { margin: 0; font-size: calc(13.8px * var(--fs)); line-height: 1.78; color: #4d5d70; }
.abt-why-num { position: absolute; right: 22px; top: 22px; font-size: calc(12px * var(--fs)); font-weight: 800; letter-spacing: 1.6px; color: #c3cdda; }

/* ---- 07 markets ---- */
.abt-mkts { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.abt-mkt {
  position: relative; display: flex; align-items: flex-end; overflow: hidden;
  aspect-ratio: 3 / 4; border-radius: 14px; background: #0a2240;
}
.abt-mkt img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s cubic-bezier(.2, .7, .3, 1);
}
.abt-mkt:hover img { transform: scale(1.06); }
.abt-mkt::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10, 34, 64, .06) 0%, rgba(10, 34, 64, .3) 38%, rgba(10, 34, 64, .78) 68%, rgba(10, 34, 64, .96) 100%);
}
.abt-mkt-txt { position: relative; z-index: 1; padding: 22px 20px; }
.abt-mkt-txt h3 {
  margin: 0 0 8px; font-size: calc(15px * var(--fs)); font-weight: 800; line-height: 1.32;
  letter-spacing: -.2px; color: #fff; text-shadow: 0 1px 12px rgba(6, 14, 24, .75);
}
.abt-mkt-txt p { margin: 0; font-size: calc(12.2px * var(--fs)); line-height: 1.6; color: #d5e1ee; text-shadow: 0 1px 10px rgba(6, 14, 24, .8); }

/* ---- 08 commitment ---- */
.abt-commit {
  position: relative; margin: 0 calc(50% - 50vw); padding: 96px calc(50vw - 50%);
  text-align: center; color: #fff;
  background: radial-gradient(120% 100% at 50% 0%, #12325c 0%, #0a2240 56%, #0a2240 100%);
}
.abt-commit::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(circle at 18% 18%, rgba(11, 99, 229, .2), transparent 44%),
    radial-gradient(circle at 84% 10%, rgba(47, 134, 255, .13), transparent 42%);
}
.abt-commit-in { position: relative; max-width: 820px; margin: 0 auto; }
.abt-commit .abt-kicker { color: #8dc0ff; }
.abt-commit .abt-kicker b { color: #71889d; }
.abt-commit .abt-h2 { margin: 16px 0 22px; color: #fff; font-size: clamp(26px, 3.1vw, 42px); }
.abt-commit p { margin: 0 auto 14px; max-width: 740px; font-size: calc(14.8px * var(--fs)); line-height: 1.86; color: #b6c6d8; }
.abt-commit-h3 { margin: 26px 0 10px; font-size: calc(20px * var(--fs)); font-weight: 800; color: #fff; }
.abt-commit p.abt-commit-sub { color: #9fb3c8; }
.abt-commit-cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 28px; }
.abt-commit-foot {
  margin-top: 34px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .13);
  font-size: calc(12px * var(--fs)); font-weight: 700; letter-spacing: 1.4px;
  text-transform: uppercase; color: #7f93a8;
}

/* ---- reveal on scroll ---- */
.abt-js .abt-reveal { opacity: 0; transform: translateY(22px); }
.abt-js .abt-reveal.in {
  opacity: 1; transform: none;
  transition: opacity .75s cubic-bezier(.2, .7, .3, 1), transform .75s cubic-bezier(.2, .7, .3, 1);
}

/* ---- responsive ---- */
@media (max-width: 1180px) {
  .abt-mkts { grid-template-columns: repeat(3, 1fr); }
  .abt-mkt { aspect-ratio: 4 / 5; }
  .abt-hero { min-height: 560px; }
  .abt-platform { padding: 32px; }
}
@media (max-width: 1024px) {
  .abt-sec { padding: 70px 0; }
  .abt-sec.abt-alt { padding: 70px calc(50vw - 50%); }
  .abt-story { padding-bottom: 70px; }
  .abt-who-grid { gap: 40px; }
}
@media (max-width: 980px) {
  .abt-who-grid { grid-template-columns: 1fr; gap: 38px; }
  .abt-who-fig img { aspect-ratio: 16 / 11; }
  .abt-story-txt { grid-template-columns: 1fr; gap: 22px; padding-top: 42px; }
  .abt-offers { grid-template-columns: 1fr; }
  .abt-net-grid { grid-template-columns: 1fr; }
  .abt-merge { display: none; }
  .abt-platform { flex-direction: column; align-items: flex-start; gap: 22px; }
  .abt-why { grid-template-columns: 1fr 1fr; }
  .abt-why-card:nth-child(4), .abt-why-card:nth-child(5) { grid-column: span 1; }
  .abt-partner { grid-template-columns: 1fr; gap: 18px; padding: 24px 24px; }
  .abt-anchors a.abt-anchors-cta { display: none; }
  .abt-hero { min-height: 520px; }
}
@media (max-width: 760px) {
  .abt-sec { padding: 54px 0; }
  .abt-sec.abt-alt { padding: 54px calc(50vw - 50%); }
  .abt-story { padding-bottom: 54px; }
  .abt-story-band { height: 240px; }
  /* 手机端改为上下堆叠：先文字，再完整展示产品图，避免文字压在图上 */
  .abt-hero { min-height: 0; flex-direction: column; align-items: stretch; border-bottom-width: 2px; }
  .abt-hero::after { display: none; }
  .abt-hero-media { position: relative; inset: auto; order: 2; height: 232px; }
  .abt-hero-media img { object-position: 62% center; }
  .abt-hero-media::after {
    content: ''; position: absolute; left: 0; right: 0; top: 0; height: 84px;
    background: linear-gradient(180deg, #0a2240, rgba(10, 34, 64, 0));
  }
  .abt-hero-in { order: 1; padding: 46px 0 40px; }
  .abt-hero p { color: #becddf; }
  .abt-hero p.abt-hero-lead { color: #e8eff7; }
  .abt-hero h1 { font-size: clamp(28px, 7.2vw, 38px); letter-spacing: -1.2px; }
  .abt-hero p { font-size: calc(13.6px * var(--fs)); }
  .abt-hero-cta { margin-top: 24px; gap: 10px; }
  .abt-btn { height: 46px; padding: 0 20px; }
  .abt-tagline { margin-top: 26px; font-size: calc(10.5px * var(--fs)); letter-spacing: 1.6px; }
  .abt-anchors-in { height: 48px; }
  .abt-mkts { grid-template-columns: 1fr 1fr; gap: 12px; }
  .abt-mkt { aspect-ratio: 4 / 5; }
  .abt-mkt-txt { padding: 16px 14px; }
  .abt-mkt-txt h3 { font-size: calc(13.8px * var(--fs)); }
  .abt-mkt-txt p { font-size: calc(11.6px * var(--fs)); }
  .abt-why { grid-template-columns: 1fr; }
  .abt-offer-list { grid-template-columns: 1fr; }
  .abt-who-fig::before { display: none; }
  .abt-commit { padding: 64px calc(50vw - 50%); }
  .abt-commit-foot { letter-spacing: 1px; }
  .abt-head { margin-bottom: 34px; }
}
@media (max-width: 520px) {
  .abt-mkts { grid-template-columns: 1fr; }
  .abt-mkt { aspect-ratio: 16 / 10; }
  .abt-anchors a { padding: 8px 11px; font-size: calc(12.4px * var(--fs)); }
  .abt-hero-cta { flex-direction: column; align-items: flex-start; }
  .abt-commit-cta .abt-btn { flex: 1 1 100%; }
}

/* 导航增加 About Us 后，中等宽度（981–1220）收紧间距，避免末项溢出 */
@media (max-width: 1220px) and (min-width: 981px) {
  .nrow { gap: 4px; }
  .nlinks { gap: 0; }
  .nlinks > a, .nlink { padding: 8px 9px; font-size: calc(13px * var(--fs)); }
  .nchev { width: 10px; height: 10px; }
  .nquote { padding: 7px 11px; }
}
@media (max-width: 1080px) and (min-width: 981px) {
  .nlinks > a, .nlink { padding: 8px 7px; font-size: calc(12.4px * var(--fs)); }
  .nquote { padding: 7px 9px; font-size: calc(11.6px * var(--fs)); }
  .nquote svg { width: 13px; height: 13px; }
}

/* ---------------- privacy consent banner ---------------- */
.cookie-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 95;
  background: rgba(255, 255, 255, .97); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  box-shadow: 0 -16px 36px -28px rgba(10, 34, 64, .5);
  padding: 15px 0;
  transform: translateY(104%);
  transition: transform .32s cubic-bezier(.2, .7, .3, 1);
}
.cookie-bar[hidden] { display: none; }
.cookie-bar.in { transform: none; }
.cookie-in {
  display: flex; align-items: center; justify-content: space-between; gap: 28px;
  max-width: var(--wrap); margin: 0 auto; padding: 0 24px;
}
.cookie-txt { min-width: 0; }
.cookie-txt b { display: block; font-size: calc(13.5px * var(--fs)); color: var(--navy); margin-bottom: 3px; letter-spacing: -.1px; }
.cookie-txt p { margin: 0; font-size: calc(12.4px * var(--fs)); line-height: 1.6; color: var(--muted); }
.cookie-txt a { color: var(--blue); text-decoration: underline; text-underline-offset: 2px; }
.cookie-btns { display: flex; gap: 10px; flex: 0 0 auto; }
.cookie-btns .btn { min-width: 108px; }

.flegal { display: flex; align-items: center; gap: 9px; }
.flegal i { font-style: normal; color: rgba(255, 255, 255, .28); }

@media (max-width: 860px) {
  .cookie-in { flex-direction: column; align-items: stretch; gap: 12px; padding: 0 18px; }
  .cookie-btns { gap: 8px; }
  .cookie-btns .btn { flex: 1; }
  .flegal { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .cookie-bar { transition: none; }
}

/* ---------------- 地址簿 / 询单页一键导入 ---------------- */
.addr-book { margin-top: 22px; }
.addr-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.addr-head h4 { font-size: calc(17px * var(--fs)); margin: 0 0 6px; color: var(--navy); }
.addr-head p { margin: 0; font-size: calc(12.5px * var(--fs)); color: var(--muted); line-height: 1.7; max-width: 620px; }
.addr-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; margin-top: 18px; }
.addr-card { border: 1px solid var(--line); border-radius: 12px; padding: 15px 16px; background: #fff; }
.addr-card.is-default { border-color: #9cc0f6; box-shadow: 0 0 0 2px rgba(11, 99, 229, .08); }
.addr-top { display: flex; align-items: center; gap: 8px; margin-bottom: 9px; flex-wrap: wrap; }
.addr-top b { font-size: calc(14px * var(--fs)); color: var(--ink); }
.addr-badge { font-size: calc(10.5px * var(--fs)); color: #0b4ec7; background: #eaf1fe; border-radius: 5px; padding: 2px 7px; font-weight: 600; }
.addr-line { font-size: calc(13px * var(--fs)); color: var(--ink-2); line-height: 1.65; margin-bottom: 3px; overflow-wrap: anywhere; }
.addr-line.muted { color: var(--muted); font-size: calc(12.5px * var(--fs)); }
.addr-ops { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 13px; }
.addr-empty { grid-column: 1 / -1; text-align: center; padding: 34px 16px; color: var(--muted); font-size: calc(13px * var(--fs)); border: 1px dashed var(--line); border-radius: 12px; }
.addr-form { margin-top: 18px; padding: 18px; border: 1px dashed #c9d7ea; border-radius: 12px; background: #fbfcfe; }
.addr-check { display: flex; align-items: center; gap: 8px; margin-top: 14px; font-size: calc(12.5px * var(--fs)); color: var(--ink-2); cursor: pointer; }
.addr-check input { width: 15px; height: 15px; margin: 0; accent-color: var(--blue); }
.addr-import { background: #f6f9fe; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; margin-bottom: 20px; }
.addr-import > label { display: block; font-size: calc(12.5px * var(--fs)); font-weight: 700; color: var(--navy-2); margin-bottom: 9px; }
.addr-import-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.addr-import select { width: 100%; max-width: 430px; height: 38px; border: 1px solid #dde4ef; border-radius: 9px; padding: 0 10px; font-family: inherit; font-size: calc(13px * var(--fs)); color: var(--ink); background: #fff; }
.addr-import a { font-size: calc(12px * var(--fs)); font-weight: 600; }
.addr-import .tip { font-size: calc(11.5px * var(--fs)); color: var(--faint); margin-top: 8px; line-height: 1.6; }
@media (max-width: 640px) {
  .addr-list { grid-template-columns: 1fr; }
  .addr-import select { max-width: 100%; }
}