/* ============================================================
   MOTOFORGE — 风格 C: wholesale（目录批发 B2B 风）
   Tokens: 白底 + 功能灰 + 藏青 #1d3557（导航/标题/表头/选中）
           + CTA 橙 #e76f51（仅按钮/询价/价格高亮）
   ============================================================ */

* { box-sizing: border-box; }

:root {
  --bg: #ffffff;
  --panel: #f4f5f7;
  --border: #e5e7eb;
  --ink: #111827;
  --ink-2: #4b5563;
  --navy: #1d3557;
  --navy-tint: #eef3f8;
  --navy-bd: #c5d5e6;
  --orange: #e76f51;
  --orange-dk: #cf5636;
  --orange-tint: #fdeee7;
  --ok: #1f7a3d;
  --warn-bg: #fdf6e3;
  --warn-bd: #ecd9a0;
  --warn-ink: #7a5b16;
  --err: #b91c1c;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
}

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 15px/1.55 "Open Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
a { color: var(--navy); }
img, svg { max-width: 100%; }
h1, h2, h3, h4 { line-height: 1.25; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid transparent; border-radius: 4px;
  padding: 9px 18px; font: 600 14px/1.2 "Open Sans", system-ui, sans-serif;
  cursor: pointer; text-decoration: none; white-space: nowrap;
}
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-dk); }
.btn-outline { background: #fff; border-color: var(--navy); color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-ghost { background: #fff; border-color: var(--border); color: var(--ink-2); }
.btn-ghost:hover { border-color: var(--navy); color: var(--navy); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }

/* ---------- 公告条（第一转化位） ---------- */
.mf-announce {
  background: var(--navy); color: #fff; font-size: 13px;
  display: flex; align-items: center; justify-content: center; gap: 8px 18px;
  padding: 7px 16px; flex-wrap: wrap;
}
.mf-announce-link { color: #ffc49b; font-weight: 700; text-decoration: underline; display: inline-block; padding: 8px 2px; margin: -8px 0; }
.mf-announce-link:hover { color: #fff; }

/* ---------- 页头 ---------- */
.mf-header {
  display: flex; align-items: center; gap: 28px;
  padding: 0 24px; min-height: 60px;
  background: #fff; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.mf-logo { font-weight: 800; font-size: 19px; letter-spacing: .6px; color: var(--ink); text-decoration: none; }
.mf-logo span { color: var(--orange); }
.mf-logo-sm { font-size: 16px; }
.mf-nav { display: flex; gap: 2px; margin-right: auto; }
.mf-nav a {
  padding: 19px 12px 17px; text-decoration: none; color: var(--ink-2);
  font-weight: 600; font-size: 14px; border-bottom: 3px solid transparent;
}
.mf-nav a:hover { color: var(--navy); }
.mf-nav a.is-active { color: var(--navy); border-bottom-color: var(--orange); }
.mf-header-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.mf-cart {
  border: 1px solid var(--border); border-radius: 4px; padding: 7px 12px;
  font-weight: 700; font-size: 13px; text-decoration: none; color: var(--navy);
  display: inline-flex; align-items: center; gap: 6px;
}
.mf-cart:hover { border-color: var(--navy); }
.mf-cart span { background: var(--navy); color: #fff; border-radius: 10px; padding: 1px 7px; font-size: 12px; }
.mf-burger {
  display: none; background: none; border: 1px solid var(--border); border-radius: 4px;
  width: 44px; height: 44px; font-size: 18px; cursor: pointer; color: var(--ink);
}

/* ---------- USP 条 ---------- */
.mf-usp { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--border); background: var(--panel); }
.mf-usp-item { padding: 14px 18px; border-right: 1px solid var(--border); display: flex; flex-direction: column; gap: 2px; }
.mf-usp-item:last-child { border-right: none; }
.mf-usp-value { font-weight: 800; color: var(--navy); font-size: 17px; }
.mf-usp-label { color: var(--ink-2); font-size: 12.5px; }

/* ---------- 布局骨架 ---------- */
.ws-wrap { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.ws-section { padding: 34px 0; }
.ws-sec-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  margin: 0 0 16px; border-bottom: 2px solid var(--ink); padding-bottom: 8px; flex-wrap: wrap;
}
.ws-sec-head h2 { margin: 0; font-size: 20px; }
.ws-sec-sub { color: var(--ink-2); font-size: 13px; margin: 0; }
.ws-panel { background: #fff; border: 1px solid var(--border); border-radius: 6px; }
.ws-panel-head {
  background: var(--navy); color: #fff; padding: 12px 18px; font-weight: 700;
  border-radius: 5px 5px 0 0; display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.ws-panel-head small { font-weight: 400; opacity: .8; }
.ws-panel-body { padding: 18px; }

/* ---------- 首页 hero：车型选择器 + 直达入口 ---------- */
.ws-hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; padding: 32px 0 8px; align-items: start; }
.ws-hero-title { font-size: 30px; font-weight: 800; margin: 0 0 6px; color: var(--navy); }
.ws-hero-sub { color: var(--ink-2); margin: 0 0 18px; }
.ws-veh { padding: 18px; display: grid; gap: 12px; }
.ws-veh-row { display: grid; grid-template-columns: 1fr 1fr 1fr auto; gap: 10px; align-items: end; }
.ws-veh-note { font-size: 12.5px; color: var(--ink-2); margin: 0; }
.ws-veh-note a { font-weight: 700; }
.ws-express { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.ws-express a {
  border: 1px solid var(--border); border-radius: 6px; padding: 16px;
  text-decoration: none; display: block; background: var(--panel);
}
.ws-express a:hover { border-color: var(--navy); background: #fff; }
.ws-express b { color: var(--navy); font-size: 16px; display: block; }
.ws-express span { display: block; color: var(--ink-2); font-size: 12.5px; margin-top: 3px; }

/* ---------- 表单 ---------- */
.ws-field label {
  display: block; font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .5px; color: var(--ink-2); margin-bottom: 4px;
}
.ws-field select, .ws-field input, .ws-field textarea {
  width: 100%; padding: 9px 10px; border: 1px solid var(--border); border-radius: 4px;
  font: inherit; background: #fff; color: var(--ink);
}
.ws-field select:focus, .ws-field input:focus, .ws-field textarea:focus {
  outline: 2px solid rgba(29, 53, 87, .18); border-color: var(--navy);
}
.ws-field.is-err select, .ws-field.is-err input, .ws-field.is-err textarea { border-color: var(--err); }
.ws-field .ws-err-msg { display: none; color: var(--err); font-size: 12px; margin-top: 3px; }
.ws-field.is-err .ws-err-msg { display: block; }
.ws-hint { font-size: 12px; color: var(--ink-2); margin-top: 4px; }
.ws-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ---------- 品类网格 ---------- */
.ws-cats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.ws-cat {
  border: 1px solid var(--border); border-radius: 6px; padding: 14px 16px;
  text-decoration: none; display: flex; flex-direction: column; gap: 4px; background: #fff;
}
.ws-cat:hover { border-color: var(--navy); box-shadow: 0 2px 0 var(--navy); }
.ws-cat b { color: var(--navy); font-size: 14.5px; }
.ws-cat p { margin: 0; font-size: 12.5px; color: var(--ink-2); }
.ws-cat .ws-count { font-size: 12px; color: var(--orange); font-weight: 800; text-transform: uppercase; letter-spacing: .5px; }

/* ---------- 表格化产品行卡 ---------- */
.ws-list { border: 1px solid var(--border); border-radius: 6px; overflow: hidden; background: #fff; }
.ws-list-head, .ws-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr) 90px 130px 120px 190px;
  gap: 14px; align-items: center; padding: 10px 14px;
}
.ws-list-head {
  background: var(--navy); color: #fff; font-size: 11.5px;
  text-transform: uppercase; letter-spacing: .5px; font-weight: 700;
}
.ws-row { border-top: 1px solid var(--border); }
.ws-row:hover { background: var(--panel); }
.ws-row-media svg { width: 64px; height: 64px; display: block; }
/* 实拍照片：contain 不裁切 */
.ws-row-media img.mf-photo, .ws-product-media img.mf-photo, .ws-cart-line img.mf-photo { object-fit: contain; background: #fff; max-width: 100%; height: auto; }
.ws-row-media img.mf-photo { width: 64px; height: 64px; }
.ws-product-media img.mf-photo { width: 280px; height: 280px; }
.ws-cat img.mf-photo { width: 56px; height: 56px; }
.ws-cart-line img.mf-photo { width: 56px; height: 56px; }
.ws-row-name { font-weight: 700; color: var(--ink); text-decoration: none; font-size: 14.5px; display: inline; }
.ws-row-name:hover { color: var(--navy); text-decoration: underline; }
.ws-row-meta { display: flex; flex-wrap: wrap; gap: 6px 12px; font-size: 12.5px; color: var(--ink-2); margin-top: 4px; align-items: center; }
.ws-partno {
  font-family: var(--mono); color: var(--navy); font-weight: 600; letter-spacing: .3px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 3px;
  padding: 1px 6px; font-size: 12px;
}
.ws-k {
  display: block; font-size: 12px; text-transform: uppercase;
  letter-spacing: .5px; color: var(--ink-2); font-weight: 700; margin-bottom: 1px;
}
.ws-price { color: var(--orange); font-weight: 800; font-size: 15px; }
.ws-tierflag { display: inline-block; font-size: 12px; color: var(--ok); font-weight: 700; }
.ws-stock-ok { color: var(--ok); font-size: 12.5px; font-weight: 600; }
.ws-stock-mto { color: var(--navy); font-size: 12.5px; font-weight: 600; }
.ws-stock-bo { color: var(--warn-ink); font-size: 12.5px; font-weight: 600; }
.ws-row-actions { display: flex; gap: 8px; justify-content: flex-end; }

/* ---------- 目录页：左栏筛选 ---------- */
.ws-cat-layout { display: grid; grid-template-columns: 252px 1fr; gap: 24px; align-items: start; padding-top: 24px; }
.ws-side {
  border: 1px solid var(--border); border-radius: 6px; padding: 16px;
  position: sticky; top: 76px; display: grid; gap: 20px; background: #fff;
}
.ws-side-toggle { display: none; } /* 仅 ≤820 显示，见响应式块 */
.ws-side h3 { margin: 0 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: .6px; color: var(--navy); }
.ws-side-group { border-top: 1px solid var(--border); padding-top: 14px; }
.ws-side-list { display: grid; gap: 1px; }
.ws-side-list a {
  padding: 5px 8px; font-size: 13.5px; text-decoration: none; color: var(--ink-2);
  border-radius: 3px; display: flex; justify-content: space-between; gap: 8px;
}
.ws-side-list a:hover { background: var(--panel); color: var(--navy); }
.ws-side-list a.is-active { background: var(--navy); color: #fff; font-weight: 600; }
.ws-side-list a span { font-size: 12px; opacity: .75; }
.ws-check { display: flex; gap: 8px; align-items: center; font-size: 13.5px; padding: 3px 0; cursor: pointer; }
.ws-check input { accent-color: var(--navy); }
.ws-check .n { color: var(--ink-2); font-size: 12px; }
.ws-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.ws-toolbar .ws-found { color: var(--ink-2); font-size: 13.5px; margin: 0; }
.ws-toolbar .ws-found b { color: var(--ink); }
.ws-sort { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-2); }
.ws-sort select { padding: 7px 8px; border: 1px solid var(--border); border-radius: 4px; font: inherit; font-size: 13px; background: #fff; color: var(--ink); }
.ws-vehicle-bar {
  display: flex; align-items: center; gap: 10px; background: var(--navy-tint);
  border: 1px solid var(--navy-bd); padding: 10px 14px; border-radius: 6px;
  margin-bottom: 14px; font-size: 13.5px; flex-wrap: wrap;
}
.ws-vehicle-bar b { color: var(--navy); }
.ws-vehicle-bar .btn { margin-left: auto; }
.ws-pager { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 14px; flex-wrap: wrap; }
.ws-pager .ws-pageinfo { color: var(--ink-2); font-size: 13px; }

/* ---------- 阶梯价表 / 规格表 ---------- */
.ws-table-wrap { overflow-x: auto; }
.ws-tiers { width: 100%; border-collapse: collapse; }
.ws-tiers th {
  background: var(--navy); color: #fff; text-align: left; padding: 8px 12px;
  font-size: 12px; text-transform: uppercase; letter-spacing: .5px; font-weight: 700;
}
.ws-tiers td { border: 1px solid var(--border); padding: 8px 12px; font-size: 14px; background: #fff; }
.ws-tiers tr.is-active td { background: var(--orange-tint); border-color: var(--orange); font-weight: 700; }
.ws-tiers .ws-save { color: var(--ok); font-weight: 700; font-size: 12.5px; }
.ws-tiers-note { font-size: 12.5px; color: var(--ink-2); margin: 8px 0 0; }
.ws-tiers-note b { color: var(--orange); }
.ws-spec { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.ws-spec th {
  text-align: left; color: var(--ink-2); font-weight: 600; padding: 7px 12px 7px 0;
  width: 40%; vertical-align: top; border-bottom: 1px solid var(--border);
}
.ws-spec td { padding: 7px 0; border-bottom: 1px solid var(--border); }
.ws-fit-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.ws-fit-table th {
  background: var(--navy); color: #fff; text-align: left; padding: 7px 12px;
  font-size: 12px; text-transform: uppercase; letter-spacing: .5px;
}
.ws-fit-table td { border: 1px solid var(--border); padding: 7px 12px; }

/* ---------- 徽章 / chips ---------- */
.ws-chip {
  display: inline-block; border: 1px solid var(--border); background: var(--panel);
  color: var(--ink-2); border-radius: 3px; padding: 2px 8px;
  font-size: 12px; font-weight: 700; letter-spacing: .3px;
}
.ws-chip-cert { border-color: var(--navy); color: var(--navy); background: #fff; }
.ws-chip-video { border-color: var(--ok); color: var(--ok); background: #fff; }
.ws-badge-line { display: inline-block; background: var(--navy); color: #fff; border-radius: 3px; padding: 2px 8px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; }

/* ---------- 产品页 ---------- */
.ws-breadcrumb { font-size: 12.5px; color: var(--ink-2); padding: 16px 0 0; }
.ws-breadcrumb a { color: var(--ink-2); text-decoration: none; }
.ws-breadcrumb a:hover { color: var(--navy); text-decoration: underline; }
.ws-product { display: grid; grid-template-columns: 380px 1fr; gap: 28px; padding-top: 14px; align-items: start; }
.ws-product-media {
  border: 1px solid var(--border); border-radius: 6px; padding: 24px;
  display: flex; align-items: center; justify-content: center; background: #fff; position: sticky; top: 84px;
}
.ws-product-media svg { width: 280px; height: 280px; }
.ws-product-title { font-size: 24px; font-weight: 800; margin: 4px 0 6px; }
.ws-product-brandline { color: var(--ink-2); font-size: 13px; margin: 0 0 10px; }
.ws-product-brandline b { color: var(--navy); }
.ws-product-summary { color: var(--ink-2); font-size: 14px; margin: 0 0 14px; }
.ws-rating { color: var(--ink-2); font-size: 13px; }
.ws-rating b { color: var(--ink); }
.ws-cert-row { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin: 10px 0 14px; }
.ws-buy { border: 1px solid var(--border); border-radius: 6px; padding: 16px; background: var(--panel); display: grid; gap: 12px; margin: 14px 0; }
.ws-buy-row { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; }
.ws-buy-row .ws-field { flex: 0 0 110px; }
.ws-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.ws-chips label {
  border: 1px solid var(--border); background: #fff; border-radius: 4px;
  padding: 6px 12px; font-size: 13px; font-weight: 600; cursor: pointer; color: var(--ink-2);
}
.ws-chips label:hover { border-color: var(--navy); color: var(--navy); }
.ws-chips input { position: absolute; opacity: 0; pointer-events: none; }
.ws-chips label:has(input:checked) { background: var(--navy); border-color: var(--navy); color: #fff; }
.ws-moq-warn { font-size: 12.5px; color: var(--warn-ink); background: var(--warn-bg); border: 1px solid var(--warn-bd); border-radius: 4px; padding: 6px 10px; }
.ws-mini-rfq { border: 1px solid var(--navy-bd); border-radius: 6px; padding: 16px; background: var(--navy-tint); display: grid; gap: 12px; margin: 14px 0; }
.ws-mini-rfq h3 { margin: 0; font-size: 15px; color: var(--navy); }
.ws-trust-row {
  display: flex; gap: 8px 20px; align-items: center; flex-wrap: wrap;
  border: 1px solid var(--border); border-left: 4px solid var(--ok);
  background: var(--panel); border-radius: 4px; padding: 10px 14px;
  font-size: 13.5px; font-weight: 600; color: var(--ink); margin: 18px 0;
}
.ws-block { margin-top: 26px; }
.ws-block > h2 { font-size: 17px; margin: 0 0 10px; border-bottom: 2px solid var(--ink); padding-bottom: 6px; }

/* ---------- bulk 询价向导 ---------- */
.ws-steps { display: flex; gap: 8px; list-style: none; padding: 0; margin: 0 0 22px; flex-wrap: wrap; }
.ws-steps li {
  display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--ink-2);
  font-weight: 600; padding: 6px 14px 6px 6px; border: 1px solid var(--border); border-radius: 999px; background: #fff;
}
.ws-steps li .n {
  width: 22px; height: 22px; border-radius: 50%; background: var(--panel);
  border: 1px solid var(--border); display: grid; place-items: center; font-size: 12px; color: var(--ink-2);
}
.ws-steps li.is-active { border-color: var(--navy); color: var(--navy); }
.ws-steps li.is-active .n { background: var(--navy); border-color: var(--navy); color: #fff; }
.ws-steps li.is-done .n { background: var(--ok); border-color: var(--ok); color: #fff; }
.ws-wizard { display: grid; grid-template-columns: 1fr 320px; gap: 24px; align-items: start; padding-top: 20px; }
.ws-step-panel { display: none; }
.ws-step-panel.is-active { display: block; }
.ws-step-nav { display: flex; justify-content: space-between; gap: 10px; margin-top: 18px; }
.ws-line { display: grid; grid-template-columns: 1fr 110px 36px; gap: 10px; align-items: end; padding: 10px 0; border-bottom: 1px dashed var(--border); }
.ws-line-add { display: grid; grid-template-columns: 1fr 110px auto; gap: 10px; align-items: end; padding-top: 12px; }
.ws-line-list { margin: 0 0 6px; }
.ws-line-item { display: grid; grid-template-columns: 1fr 90px 36px; gap: 10px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--border); }
.ws-line-item .ws-partno { justify-self: start; }
.ws-line-item .ws-qty { font-weight: 700; }
.ws-line-item button { border: 1px solid var(--border); background: #fff; border-radius: 4px; cursor: pointer; color: var(--err); font-weight: 700; height: 32px; }
.ws-line-item button:hover { border-color: var(--err); }
.ws-aside { border: 1px solid var(--border); border-radius: 6px; padding: 16px; background: var(--panel); display: grid; gap: 12px; align-content: start; }
.ws-aside h3 { margin: 0; font-size: 14px; color: var(--navy); }
.ws-aside p { margin: 0; font-size: 13px; color: var(--ink-2); }
.ws-rfq-done { border: 1px solid var(--ok); border-radius: 6px; background: #f0f7f1; padding: 34px 24px; text-align: center; display: grid; gap: 10px; justify-items: center; }
.ws-rfq-done .ws-rfq-number { font-family: var(--mono); font-size: 30px; font-weight: 800; color: var(--ok); letter-spacing: 1px; }
.ws-rfq-done p { margin: 0; color: var(--ink-2); max-width: 480px; }
.ws-error-box { border: 1px solid var(--err); background: #fdf1f1; color: var(--err); border-radius: 6px; padding: 10px 14px; font-size: 13.5px; margin-top: 12px; display: none; }
.ws-error-box.is-on { display: block; }

/* ---------- 购物车 ---------- */
.ws-cart-layout { display: grid; grid-template-columns: 1fr 320px; gap: 24px; align-items: start; padding-top: 24px; }
.ws-cart-line { display: grid; grid-template-columns: 72px minmax(0, 1fr) 110px 130px 110px 90px; gap: 14px; align-items: center; padding: 12px 14px; border-top: 1px solid var(--border); }
.ws-cart-line:first-of-type { border-top: none; }
.ws-cart-line svg { width: 56px; height: 56px; display: block; }
.ws-qtybox { display: inline-flex; align-items: center; border: 1px solid var(--border); border-radius: 4px; background: #fff; }
.ws-qtybox button { width: 30px; height: 32px; border: none; background: none; cursor: pointer; font-size: 15px; color: var(--navy); font-weight: 700; }
.ws-qtybox button:hover { background: var(--panel); }
.ws-qtybox input { width: 44px; height: 32px; border: none; border-left: 1px solid var(--border); border-right: 1px solid var(--border); text-align: center; font: inherit; font-weight: 600; }
.ws-remove { border: 1px solid var(--border); background: #fff; border-radius: 4px; cursor: pointer; color: var(--err); font-size: 12.5px; font-weight: 700; padding: 6px 10px; }
.ws-remove:hover { border-color: var(--err); }
.ws-moq-note { grid-column: 1 / -1; background: var(--warn-bg); border: 1px solid var(--warn-bd); color: var(--warn-ink); border-radius: 4px; font-size: 12.5px; padding: 6px 10px; }
.ws-progress { height: 8px; background: var(--border); border-radius: 99px; overflow: hidden; }
.ws-progress i { display: block; height: 100%; background: var(--orange); }
.ws-progress i.is-done { background: var(--ok); }
.ws-ship-note { font-size: 13px; color: var(--ink-2); margin: 8px 0 0; }
.ws-ship-note b { color: var(--ok); }
.ws-summary-row { display: flex; justify-content: space-between; font-size: 14px; padding: 5px 0; }
.ws-summary-row.is-total { border-top: 2px solid var(--ink); margin-top: 6px; padding-top: 10px; font-weight: 800; font-size: 16px; }

/* ---------- 指南 ---------- */
.ws-guide-row { display: grid; grid-template-columns: minmax(0, 1fr) 120px 110px 150px; gap: 14px; align-items: center; padding: 14px; border-top: 1px solid var(--border); }
.ws-guide-row:first-of-type { border-top: none; }
.ws-guide-row h3 { margin: 0 0 3px; font-size: 15px; }
.ws-guide-row h3 a { color: var(--ink); text-decoration: none; }
.ws-guide-row h3 a:hover { color: var(--navy); text-decoration: underline; }
.ws-guide-row p { margin: 0; color: var(--ink-2); font-size: 13px; }
.ws-guide-meta { color: var(--ink-2); font-size: 12.5px; }
.ws-guide-body { max-width: 780px; }
.ws-guide-body h3 { color: var(--navy); font-size: 17px; margin: 22px 0 6px; }
.ws-guide-body ul { margin: 8px 0; padding-left: 22px; }
.ws-guide-body li { margin: 4px 0; }
.ws-guide-body p { margin: 10px 0; }

/* ---------- about / custom 页 ---------- */
.ws-cols3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.ws-cols2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.ws-cols4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.ws-card { border: 1px solid var(--border); border-radius: 6px; padding: 18px; background: #fff; display: grid; gap: 8px; align-content: start; }
.ws-card h3 { margin: 0; font-size: 15px; color: var(--navy); }
.ws-card p { margin: 0; font-size: 13.5px; color: var(--ink-2); }
.ws-card .ws-kicker { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .6px; color: var(--orange); }
.ws-brand-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.ws-brand {
  border: 1px solid var(--border); border-radius: 6px; padding: 16px 12px; text-align: center;
  background: #fff; display: grid; gap: 2px;
}
.ws-brand b { color: var(--navy); font-size: 15px; letter-spacing: .5px; }
.ws-brand span { font-size: 11.5px; color: var(--ink-2); }
.ws-rfq-banner {
  background: var(--navy); color: #fff; border-radius: 6px; padding: 30px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
}
.ws-rfq-banner h2 { margin: 0 0 4px; font-size: 22px; }
.ws-rfq-banner p { margin: 0; color: #c9d6e4; font-size: 14px; }
.ws-rfq-banner .ws-banner-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- 空态 / 错误态 / toast ---------- */
.ws-empty {
  border: 1px dashed var(--border); background: var(--panel); border-radius: 6px;
  padding: 30px 20px; text-align: center; color: var(--ink-2);
  display: grid; gap: 8px; justify-items: center; font-size: 14px;
}
.ws-empty b { color: var(--ink); font-size: 15px; }
.ws-toast {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: 24px;
  background: var(--ink); color: #fff; padding: 10px 18px; border-radius: 6px;
  font-size: 13.5px; z-index: 100; box-shadow: 0 4px 14px rgba(17, 24, 39, .3);
}
.ws-toast.is-err { background: var(--err); }

/* ---------- 页脚 ---------- */
.mf-footer { border-top: 1px solid var(--border); background: var(--panel); margin-top: 44px; padding: 34px 24px 20px; }
.mf-footer-cols { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 28px; }
.mf-footer p { color: var(--ink-2); font-size: 13px; margin: 8px 0 0; }
.mf-footer h4 { margin: 0 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: .6px; color: var(--navy); }
.mf-footer a { display: block; color: var(--ink-2); text-decoration: none; font-size: 13.5px; padding: 8px 0; }
.mf-footer a:hover { color: var(--navy); text-decoration: underline; }
.mf-footer-legal { max-width: 1240px; margin: 22px auto 0; border-top: 1px solid var(--border); padding-top: 12px; font-size: 12px; color: var(--ink-2); }

/* ---------- 移动端吸底栏（产品页） ---------- */
.ws-stickybar { display: none; }

/* ---------- 响应式 ≤820px ---------- */
@media (max-width: 820px) {
  .mf-header { gap: 12px; padding: 0 14px; min-height: 54px; }
  .mf-nav {
    display: none; position: absolute; top: 54px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    flex-direction: column; padding: 6px 16px 12px; z-index: 49;
    box-shadow: 0 10px 18px rgba(17, 24, 39, .08);
  }
  .mf-nav.is-open { display: flex; }
  .mf-nav a { border-bottom: none; padding: 12px 4px; font-size: 15px; }
  .mf-burger { display: grid; place-items: center; margin-left: auto; }
  .mf-header-actions { margin-left: 0; }

  .ws-wrap { padding: 0 14px; }
  body[data-page="product"] { padding-bottom: 78px; }
  body[data-page="product"] .ws-stickybar {
    display: flex; position: fixed; bottom: 0; left: 0; right: 0;
    background: #fff; border-top: 1px solid var(--border);
    box-shadow: 0 -4px 14px rgba(17, 24, 39, .1);
    padding: 10px 14px; gap: 10px; align-items: center; z-index: 60;
  }
  .ws-stickybar .ws-sticky-price { font-weight: 800; color: var(--orange); font-size: 16px; margin-right: auto; }

  .ws-hero { grid-template-columns: 1fr; padding-top: 20px; }
  .ws-hero-title { font-size: 24px; }
  .ws-veh-row { grid-template-columns: 1fr; }
  .ws-veh-row .btn { width: 100%; }
  .ws-cat-layout, .ws-product, .ws-wizard, .ws-cart-layout { grid-template-columns: 1fr; }
  /* 目录侧栏手机折叠（docs/12 P0）：默认只显示折叠条，展开才出分类树；
     JS 在 app.js renderSidebar 里切换，会话内记住状态 */
  .ws-side { position: static; padding: 12px 14px; gap: 0; }
  .ws-side-toggle {
    display: flex; align-items: center; justify-content: space-between; width: 100%;
    background: var(--navy-tint); border: 1px solid var(--navy-bd); border-radius: 6px;
    padding: 13px 14px; cursor: pointer; color: var(--navy);
    font: 700 14px/1.2 "Open Sans", system-ui, sans-serif;
  }
  .ws-side-toggle::after { content: '▾'; }
  .ws-side-toggle[aria-expanded="true"]::after { content: '▴'; }
  .ws-side:not(.is-open) .ws-side-groups { display: none; }
  .ws-side.is-open { gap: 12px; }
  .ws-side-list a { padding: 11px 10px; }
  .ws-check { padding: 8px 0; }
  .ws-product-media { position: static; }
  .ws-product-media svg { width: 200px; height: 200px; }
  .ws-cats { grid-template-columns: repeat(2, 1fr); }
  .ws-cols3, .ws-cols4, .ws-cols2 { grid-template-columns: 1fr; }
  .ws-cols2 { grid-template-columns: 1fr; }
  .ws-brand-wall { grid-template-columns: repeat(2, 1fr); }
  .mf-usp { grid-template-columns: repeat(2, 1fr); }
  .mf-usp-item:nth-child(2) { border-right: none; }
  .mf-usp-item:nth-child(1), .mf-usp-item:nth-child(2) { border-bottom: 1px solid var(--border); }
  .ws-form-grid { grid-template-columns: 1fr; }
  .ws-line, .ws-line-add { grid-template-columns: 1fr; }

  .ws-list-head { display: none; }
  .ws-list, .ws-row { display: block; }
  .ws-row { display: grid; grid-template-columns: 72px 1fr; gap: 2px 12px; padding: 12px 14px; }
  .ws-row-media { grid-row: 1 / span 4; align-self: start; }
  .ws-row-media svg { width: 64px; height: 64px; }
  .ws-row-main, .ws-row-moq, .ws-row-price, .ws-row-stock, .ws-row-actions { grid-column: 2; }
  .ws-row-stock { display: none; }
  .ws-row-actions { justify-content: flex-start; margin-top: 8px; }
  /* 行内 View/RFQ 小按钮手机上加高到 ≥37px 触控（docs/12） */
  .ws-row-actions .btn { padding: 11px 16px; }
  .ws-sort select { padding: 10px 8px; }
  .ws-k { display: inline; margin-right: 6px; }
  .ws-cart-line { grid-template-columns: 64px 1fr; grid-auto-rows: auto; row-gap: 8px; }
  .ws-cart-line > .ws-cart-col-price, .ws-cart-col-total, .ws-cart-col-qty, .ws-cart-col-remove { grid-column: 2; }
  .ws-cart-line svg { grid-row: 1 / span 4; }
  .ws-guide-row { grid-template-columns: 1fr; gap: 4px; }
  .ws-rfq-banner { padding: 22px; }
}

/* ---------- 响应式 ≤480px（docs/12 P1）：小屏按钮/磁贴放大 ---------- */
@media (max-width: 480px) {
  .ws-express { grid-template-columns: 1fr; }
  .ws-cat { padding: 16px 14px; }
  .ws-cat img.mf-photo { width: 64px; height: 64px; }
  .ws-line-item button { width: 40px; height: 40px; }
  .ws-qtybox button { width: 36px; height: 36px; }
  .ws-qtybox input { height: 36px; }
  .ws-remove { padding: 10px 14px; }
}