/* FastenerDock 前台样式：深蓝工业风、响应式、支持 RTL */
:root {
  --navy-900: #071a30;
  --navy-800: #0b2340;
  --navy-700: #103052;
  --navy-600: #16406a;
  --navy-100: #e6edf5;
  --ink: #16233a;
  --ink-soft: #4a5b74;
  --line: #d8e1ec;
  --paper: #ffffff;
  --paper-soft: #f4f7fb;
  --accent: #e7a33c;
  --accent-dark: #c9871f;
  --green: #1f7a4d;
  --amber: #b7791f;
  --radius: 10px;
  --shadow: 0 10px 30px rgba(9, 27, 51, .10);
  --shadow-sm: 0 3px 12px rgba(9, 27, 51, .08);
  --font: "Segoe UI", "Helvetica Neue", Arial, "PingFang SC",
          "Microsoft YaHei", "Noto Sans", sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 15px;
}
img { max-width: 100%; display: block; border: 0; }
a { color: var(--navy-700); text-decoration: none; }
a:hover { color: var(--accent-dark); }
h1, h2, h3, h4 { color: var(--navy-900); line-height: 1.25; margin: 0 0 .5em; }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-inline-start: 1.4em; }
.container { width: min(1200px, 92%); margin: 0 auto; }
.narrow { width: min(720px, 92%); }
.muted { color: var(--ink-soft); font-size: .9rem; }

/* ---------- 顶部条与页头 ---------- */
.topbar {
  background: var(--navy-900);
  color: #b9c8db;
  font-size: .82rem;
  position: relative;
  z-index: 60;
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 36px;
  gap: 12px;
}
.topbar-links { display: flex; gap: 16px; align-items: center; }
.topbar a { color: #d5e0ee; }
.topbar a:hover { color: var(--accent); }
.topbar-hours { opacity: .7; }
.lang-switch-top .lang-btn {
  padding: 2px 7px;
  font-size: .78rem;
  color: #d5e0ee;
  border-color: rgba(255, 255, 255, .22);
}
.lang-switch-top .lang-panel { top: calc(100% + 8px); }
.cart-link-top { font-size: .8rem; color: #d5e0ee; }
.cart-link-top svg { width: 15px; height: 15px; }
.cart-link-top em { font-size: .68rem; padding: 0 5px; }

.site-header {
  background: var(--navy-800);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 74px;
}
.logo { display: flex; align-items: center; gap: 10px; color: #fff; flex-shrink: 0; }
.logo:hover { color: #fff; }
.logo-mark { color: var(--accent); display: inline-flex; }
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-text strong { font-size: 1.15rem; letter-spacing: .04em; text-transform: uppercase; }
.logo-text small { font-size: .7rem; color: #a9bdd6; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-inline-start: 12px;
}
.main-nav > a,
.nav-dropdown > a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 10px 11px;
  color: #dbe6f3;
  font-size: .9rem;
  border-radius: 6px;
}
.main-nav > a:hover,
.nav-dropdown > a:hover { background: rgba(255, 255, 255, .08); color: #fff; }
.nav-dropdown { position: relative; }
.dropdown-panel {
  position: absolute;
  top: 100%;
  inset-inline-start: 0;
  display: none;
  grid-template-columns: repeat(2, minmax(200px, 1fr));
  gap: 18px;
  width: 520px;
  padding: 20px;
  background: #fff;
  color: var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-top: 3px solid var(--accent);
}
.nav-dropdown:hover .dropdown-panel { display: grid; }
.dropdown-col { display: flex; flex-direction: column; gap: 3px; }
.dropdown-title { font-weight: 700; color: var(--navy-800); padding: 4px 0; }
.dropdown-link { color: var(--ink-soft); font-size: .87rem; padding: 2px 0; }
.dropdown-link:hover { color: var(--accent-dark); }
.caret { font-size: .7rem; opacity: .7; }

.header-actions {
  margin-inline-start: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.header-search {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, .12);
  border-radius: 20px;
  padding: 2px 4px 2px 12px;
}
.header-search input {
  width: 150px;
  border: 0;
  background: transparent;
  color: #fff;
  padding: 6px 0;
  outline: none;
  font-size: .85rem;
}
.header-search input::placeholder { color: #aebfd6; }
.header-search button {
  border: 0;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  display: inline-flex;
  padding: 4px 8px;
}
.lang-switch { position: relative; }
.lang-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .25);
  color: #e3ecf7;
  border-radius: 6px;
  padding: 5px 8px;
  cursor: pointer;
  font-size: .8rem;
}
.lang-panel {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  inset-inline-end: 0;
  background: #fff;
  border-radius: 8px;
  box-shadow: var(--shadow);
  min-width: 150px;
  padding: 6px;
  z-index: 20;
}
.lang-switch:hover .lang-panel,
.lang-switch:focus-within .lang-panel { display: block; }
.lang-panel a {
  display: block;
  padding: 6px 10px;
  border-radius: 5px;
  color: var(--ink);
  font-size: .85rem;
  white-space: nowrap;
}
.lang-panel a:hover { background: var(--paper-soft); }
.lang-active { font-weight: 700; color: var(--navy-700) !important; }
.cart-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #e3ecf7;
  font-size: .85rem;
  position: relative;
}
.cart-link:hover { color: var(--accent); }
.cart-link em {
  font-style: normal;
  background: var(--accent);
  color: var(--navy-900);
  font-weight: 700;
  border-radius: 10px;
  padding: 0 6px;
  font-size: .72rem;
}
.header-cta { white-space: nowrap; }
.menu-toggle {
  display: none;
  background: transparent;
  border: 0;
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-size: .92rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
  text-align: center;
}
.btn-accent { background: var(--accent); color: var(--navy-900); }
.btn-accent:hover { background: var(--accent-dark); color: var(--navy-900); }
.btn-primary { background: var(--navy-700); color: #fff; }
.btn-primary:hover { background: var(--navy-600); color: #fff; }
.btn-ghost { background: transparent; color: var(--navy-700); border-color: var(--line); }
.btn-ghost:hover { background: var(--paper-soft); border-color: var(--navy-600); }
.btn-outline { background: transparent; color: var(--navy-700); border-color: var(--navy-700); }
.btn-outline:hover { background: var(--navy-700); color: #fff; }
.btn-light { background: #fff; color: var(--navy-800); }
.btn-light:hover { background: var(--navy-100); color: var(--navy-900); }
.hero .btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .5); }
.hero .btn-ghost:hover { color: var(--navy-700); border-color: var(--navy-600); }
.btn-sm { padding: 7px 14px; font-size: .82rem; }
.btn-wide { width: 100%; }

/* ---------- 首页 Hero ---------- */
.hero {
  background: linear-gradient(120deg, var(--navy-900) 0%, var(--navy-700) 55%, #1c4a78 100%);
  color: #e9f0f8;
  padding: 70px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 46px 46px;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 48px;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  background: rgba(231, 163, 60, .15);
  color: var(--accent);
  border: 1px solid rgba(231, 163, 60, .4);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: .8rem;
  letter-spacing: .06em;
  margin-bottom: 18px;
}
.hero h1 {
  color: #fff;
  font-size: 2.9rem;
  line-height: 1.12;
  letter-spacing: -.01em;
  max-width: 620px;
}
.hero p { color: #b9cbe0; max-width: 540px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0 30px; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  border-top: 1px solid rgba(255, 255, 255, .14);
  padding-top: 20px;
  max-width: 620px;
}
.hero-stats strong { display: block; font-size: 1.5rem; color: #fff; }
.hero-stats span { font-size: .78rem; color: #a9bdd6; }
.hero-panel {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 12px;
  padding: 18px;
  backdrop-filter: blur(6px);
}
.panel-top { display: flex; align-items: center; gap: 6px; padding-bottom: 14px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.panel-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); opacity: .8; }
.panel-title { margin-inline-start: auto; font-size: .75rem; color: #a9bdd6; letter-spacing: .08em; }
.panel-rows { padding: 12px 0; }
.panel-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, .1);
  font-size: .82rem;
}
.panel-row span { color: #9fb5ce; letter-spacing: .04em; }
.panel-row strong { color: #fff; font-weight: 600; }
.panel-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 10px;
  font-size: .75rem;
  color: #a9bdd6;
  letter-spacing: .08em;
}
.panel-bars { display: inline-flex; gap: 3px; }
.panel-bars i { display: block; width: 4px; height: 14px; background: var(--accent); opacity: .8; }
.panel-bars i:nth-child(2) { height: 20px; }
.panel-bars i:nth-child(3) { height: 10px; }
.panel-bars i:nth-child(4) { height: 17px; }
.panel-bars i:nth-child(5) { height: 12px; }

/* ---------- 通用区块 ---------- */
.section { padding: 64px 0; }
.section-tint { background: var(--paper-soft); }
.section-flush { padding-top: 0; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 30px;
}
.section-head h2 { margin-bottom: 4px; }
.section-head p { color: var(--ink-soft); margin: 0; }
.section-head-center { justify-content: center; text-align: center; }
.link-arrow { font-weight: 600; color: var(--navy-700); font-size: .9rem; }
.link-arrow:hover { color: var(--accent-dark); }

/* ---------- 分类 ---------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.category-tile {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.category-tile:hover {
  border-color: var(--navy-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.tile-icon {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--navy-100);
  color: var(--navy-700);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}
.tile-body strong { display: block; color: var(--navy-900); }
.tile-body small { color: var(--ink-soft); }

/* ---------- 商品卡片 ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.product-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
.product-card:hover {
  border-color: var(--navy-600);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.product-media { position: relative; background: #eef3f8; aspect-ratio: 1 / 1; overflow: hidden; }
.product-media img { width: 100%; height: 100%; object-fit: cover; }
.badge {
  position: absolute;
  top: 10px;
  inset-inline-start: 10px;
  font-size: .72rem;
  padding: 3px 9px;
  border-radius: 4px;
  font-weight: 600;
}
.badge-ready { background: var(--green); color: #fff; }
.badge-quote { background: var(--accent); color: var(--navy-900); }
.product-body { padding: 14px 16px 16px; display: flex; flex-direction: column; flex: 1; }
.product-body h3 {
  font-size: .95rem;
  margin: 0 0 8px;
  min-height: 2.6em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-meta { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 10px; }
.product-meta span {
  font-size: .72rem;
  color: var(--ink-soft);
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 1px 6px;
}
.product-foot { margin-top: auto; display: flex; justify-content: space-between; align-items: flex-end; gap: 8px; }
.price small { display: block; color: var(--ink-soft); font-size: .7rem; }
.price strong { color: var(--navy-800); font-size: 1.05rem; }
.price-quote { color: var(--amber) !important; font-size: .88rem !important; }
.moq { font-size: .75rem; color: var(--ink-soft); text-align: end; }

/* ---------- 优势 / 博客 / CTA ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.why-card {
  padding: 24px;
  border-top: 3px solid var(--navy-700);
  background: #fff;
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow-sm);
}
.why-num { color: var(--accent); font-weight: 700; font-size: .8rem; letter-spacing: .1em; }
.why-card h3 { margin-top: 6px; }
.why-card p { color: var(--ink-soft); font-size: .9rem; margin: 0; }

.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.blog-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .15s, box-shadow .15s;
}
.blog-card:hover { border-color: var(--navy-600); box-shadow: var(--shadow-sm); }
.blog-cover { display: block; margin: -24px -24px 18px; overflow: hidden; background: #eef3f8; }
.blog-cover img { width: 100%; height: 180px; object-fit: cover; }
.blog-tag { font-size: .74rem; color: var(--ink-soft); letter-spacing: .04em; }
.blog-card h3 { margin: 8px 0; }
.blog-card p { color: var(--ink-soft); font-size: .9rem; }
.blog-card .link-arrow { margin-top: auto; }
.blog-grid-wide { grid-template-columns: repeat(3, 1fr); }

.cta-band { background: linear-gradient(110deg, var(--navy-800), var(--navy-600)); color: #fff; padding: 44px 0; }
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.cta-band h2 { color: #fff; margin-bottom: 4px; }
.cta-band p { color: #b9cbe0; margin: 0; }
.cta-inline { border-radius: var(--radius); margin-top: 40px; }

/* ---------- 列表页 ---------- */
.page-head { background: var(--paper-soft); border-bottom: 1px solid var(--line); padding: 30px 0 26px; }
.page-head-compact { padding: 16px 0; }
.breadcrumb { font-size: .8rem; color: var(--ink-soft); display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.breadcrumb a { color: var(--ink-soft); }
.breadcrumb a:hover { color: var(--navy-700); }
.page-head-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; }
.page-head h1 { margin: 0 0 6px; }
.page-head p { color: var(--ink-soft); margin: 0; max-width: 760px; }
.result-count { font-size: .85rem; color: var(--ink-soft); white-space: nowrap; }
.subcat-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.subcat-chip {
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  font-size: .82rem;
  color: var(--navy-700);
}
.subcat-chip:hover { border-color: var(--navy-600); background: var(--navy-100); }

.catalog-layout { display: grid; grid-template-columns: 240px 1fr; gap: 32px; padding-top: 36px; }
.filter-panel h3 { font-size: 1rem; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.filter-group { margin-bottom: 16px; }
.filter-group label { display: block; font-size: .82rem; font-weight: 600; margin-bottom: 5px; }
.filter-group select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font-size: .85rem;
}
.filter-actions { display: flex; gap: 8px; margin-top: 18px; }
.filter-actions .btn { flex: 1; }
.catalog-main { min-width: 0; }
.catalog-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
  color: var(--ink-soft);
  font-size: .86rem;
}
.sort-form { display: flex; align-items: center; gap: 8px; }
.sort-form label { font-size: .82rem; }
.sort-form select {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  font-size: .82rem;
}
.catalog-main .product-grid { grid-template-columns: repeat(3, 1fr); }
.empty-state {
  padding: 60px 20px;
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: var(--paper-soft);
  color: var(--ink-soft);
}
.pagination { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 36px; }
.page-btn { padding: 8px 16px; border: 1px solid var(--line); border-radius: 6px; background: #fff; font-size: .85rem; }
.page-btn:hover { border-color: var(--navy-600); background: var(--navy-100); }
.page-info { font-size: .85rem; color: var(--ink-soft); }

/* ---------- 商品详情 ---------- */
.product-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; padding-top: 32px; }
.product-gallery { min-width: 0; }
.gallery-main {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #eef3f8;
  aspect-ratio: 1 / 1;
}
.gallery-main img { width: 100%; height: 100%; object-fit: contain; }
.gallery-thumbs { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.thumb {
  width: 72px;
  height: 72px;
  padding: 0;
  border: 2px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: #fff;
  cursor: pointer;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb.active { border-color: var(--accent); }
.product-info h1 { font-size: 1.6rem; margin-bottom: 8px; }
.product-model { color: var(--ink-soft); font-size: .85rem; }
.product-flags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.flag { font-size: .72rem; padding: 3px 8px; border-radius: 4px; background: var(--paper-soft); border: 1px solid var(--line); color: var(--ink-soft); }
.flag-green { background: #e6f5ec; border-color: #b8e0c8; color: var(--green); }
.flag-amber { background: #fdf3e3; border-color: #f0d6a8; color: var(--amber); }
.spec-chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0; }
.spec-chips span {
  background: var(--navy-100);
  color: var(--navy-700);
  border-radius: 4px;
  padding: 3px 9px;
  font-size: .78rem;
}
.price-box { background: var(--paper-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin: 18px 0; }
.price-main { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.price-main span { font-size: .8rem; color: var(--ink-soft); }
.price-main strong { font-size: 1.8rem; color: var(--navy-800); }
.price-main small { color: var(--ink-soft); }
.price-main.price-quote strong { color: var(--amber); font-size: 1.1rem; }
.price-note { font-size: .78rem; color: var(--ink-soft); margin-top: 6px; }
.moq-line { font-size: .85rem; margin-top: 8px; }
.retail-min { font-size: .8rem; color: var(--ink-soft); margin-top: 8px; }
.qty-hint { font-size: .75rem; color: var(--ink-soft); }
.quote-notice, .quote-notice-sm {
  background: #fff8e6;
  border: 1px solid #f1dfae;
  border-radius: 6px;
  color: #8a6414;
  font-size: .82rem;
  line-height: 1.5;
  padding: 11px 14px;
  margin: 10px 0 16px;
}
.quote-notice-sm { font-size: .76rem; padding: 8px 11px; margin: 10px 0 0; }
.tier-table h3 { font-size: .95rem; }
.tier-table table { width: 100%; border-collapse: collapse; font-size: .86rem; }
.tier-table th, .tier-table td { border-bottom: 1px solid var(--line); padding: 7px 6px; text-align: start; }
.tier-table th { color: var(--ink-soft); font-weight: 600; }
.buy-form { margin: 20px 0 14px; }
.qty-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.qty-row label { font-size: .85rem; font-weight: 600; }
.qty-row input {
  width: 110px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: .9rem;
}
.buy-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.buy-actions .btn { flex: 1; min-width: 150px; }
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.detail-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.detail-card h2 { font-size: 1.15rem; }
.spec-table { width: 100%; border-collapse: collapse; font-size: .86rem; }
.spec-table th, .spec-table td { border-bottom: 1px solid var(--line); padding: 8px 6px; text-align: start; vertical-align: top; }
.spec-table th { width: 38%; color: var(--ink-soft); font-weight: 600; }
.description-text { font-size: .9rem; color: var(--ink-soft); white-space: pre-line; }

/* ---------- 购物车 / 结算 ---------- */
.cart-freight-tip { margin-top: 12px; padding: 12px 16px; background: var(--paper-soft); border: 1px solid var(--line); border-inline-start: 3px solid var(--accent); border-radius: 6px; max-width: 720px; }
.cart-freight-tip strong { display: block; font-size: .86rem; margin-bottom: 4px; }
.cart-freight-tip p { margin: 0; font-size: .82rem; color: var(--ink-soft); }
.cart-table { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.cart-head, .cart-row {
  display: grid;
  grid-template-columns: 2.4fr .9fr .9fr .9fr 44px;
  gap: 12px;
  align-items: center;
  padding: 14px 18px;
}
.cart-head { background: var(--paper-soft); font-size: .8rem; font-weight: 600; color: var(--ink-soft); border-bottom: 1px solid var(--line); }
.cart-row { border-bottom: 1px solid var(--line); }
.cart-row:last-child { border-bottom: 0; }
.cart-product { display: flex; gap: 12px; align-items: center; }
.cart-product img { width: 64px; height: 64px; object-fit: cover; border-radius: 6px; border: 1px solid var(--line); }
.cart-product a { font-weight: 600; color: var(--navy-800); }
.cart-product small { display: block; color: var(--ink-soft); font-size: .76rem; }
.cart-qty input { width: 74px; padding: 6px 8px; border: 1px solid var(--line); border-radius: 5px; }
.cart-remove button { border: 0; background: transparent; color: var(--ink-soft); cursor: pointer; font-size: 1rem; }
.cart-remove button:hover { color: #c0392b; }
.cart-summary {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  margin-top: 22px;
  padding: 22px;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.summary-total span { display: block; font-size: .82rem; color: var(--ink-soft); }
.summary-total strong { font-size: 1.5rem; color: var(--navy-800); }
.summary-total small { display: block; font-size: .75rem; color: var(--ink-soft); }
.summary-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.checkout-layout { display: grid; grid-template-columns: 1.6fr 1fr; gap: 32px; padding-top: 32px; }
.checkout-form h2, .checkout-summary h2 { font-size: 1.1rem; margin-top: 20px; }
.checkout-form h2:first-child { margin-top: 0; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.checkout-form label, .track-form label, .inquiry-form label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.checkout-form input, .checkout-form textarea,
.track-form input, .inquiry-form input, .inquiry-form textarea {
  width: 100%;
  margin-top: 5px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-family: inherit;
  font-size: .88rem;
  font-weight: 400;
  color: var(--ink);
}
.checkout-form input:focus, .checkout-form textarea:focus,
.track-form input:focus, .inquiry-form input:focus, .inquiry-form textarea:focus {
  outline: none;
  border-color: var(--navy-600);
}
.form-full { display: block; }
.form-error, .form-success {
  padding: 11px 14px;
  border-radius: 6px;
  font-size: .85rem;
  margin-bottom: 14px;
}
.form-error { background: #fdecea; color: #a23527; border: 1px solid #f5c6c0; }
.form-success { background: #e8f6ee; color: var(--green); border: 1px solid #bfe3cd; }
.payment-options { display: flex; gap: 16px; flex-wrap: wrap; margin: 10px 0 22px; }
.payment-options label { display: inline-flex; align-items: center; gap: 6px; font-weight: 400; }
.payment-options input { width: auto; margin: 0; }
.checkout-summary { background: var(--paper-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; align-self: start; }
.summary-line { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: .85rem; }
.summary-line span { color: var(--ink-soft); }

/* ---------- 订单 ---------- */
.success-card {
  text-align: center;
  padding: 46px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
  margin-top: 40px;
}
.success-icon {
  display: inline-flex;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: #e8f6ee;
  color: var(--green);
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 14px;
}
.order-number { display: inline-flex; flex-direction: column; gap: 2px; padding: 12px 26px; background: var(--paper-soft); border: 1px dashed var(--line); border-radius: 8px; margin: 10px 0 14px; }
.order-number span { font-size: .75rem; color: var(--ink-soft); }
.order-number strong { font-size: 1.15rem; letter-spacing: .06em; color: var(--navy-800); }
.success-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 18px; }
.track-form {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.order-detail { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.order-detail-head { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 20px; background: var(--paper-soft); border-bottom: 1px solid var(--line); }
.track-steps { display: flex; flex-wrap: wrap; gap: 6px; padding: 16px 20px; background: #fff; border-bottom: 1px solid var(--line); }
.track-step { display: flex; align-items: center; gap: 6px; flex: 1 1 0; min-width: 108px; font-size: .76rem; color: var(--ink-soft); }
.track-dot { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; background: #e6edf5; color: var(--navy-700); font-weight: 700; font-size: .72rem; flex: none; }
.track-step.is-done .track-dot { background: var(--navy-700); color: #fff; }
.track-step.is-current .track-dot { background: var(--accent); color: #fff; box-shadow: 0 0 0 3px rgba(201, 122, 27, .18); }
.track-step.is-current .track-step-label { color: var(--navy-800); font-weight: 700; }
.track-cancel { padding: 12px 20px; background: #fdecea; color: #a23527; border-bottom: 1px solid #f5c6c0; font-size: .85rem; }
.order-detail-head span { display: block; font-size: .75rem; color: var(--ink-soft); }
.order-detail-head strong { color: var(--navy-800); }
.status { font-size: .82rem !important; }
.status-new { color: var(--amber) !important; }
.status-quoted { color: var(--amber) !important; font-weight: 700; }
.status-paid, .status-shipped { color: var(--navy-600) !important; }
.status-completed { color: var(--green) !important; }
.status-cancelled { color: #a23527 !important; }
.order-detail-table { padding: 0 20px; }
.order-head, .order-row { display: grid; grid-template-columns: 2.4fr .6fr .9fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: .85rem; }
.order-head { color: var(--ink-soft); font-size: .78rem; font-weight: 600; }
.order-product { display: flex; align-items: center; gap: 10px; }
.order-product img { width: 46px; height: 46px; object-fit: cover; border-radius: 5px; border: 1px solid var(--line); }
.order-total { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; background: var(--paper-soft); }
.order-total strong { font-size: 1.2rem; color: var(--navy-800); }
.order-quote-note {
  padding: 14px 20px;
  border-top: 1px solid var(--line);
  font-size: .85rem;
  color: var(--ink-soft);
  white-space: pre-line;
}
.order-pay-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 16px 20px;
  border-top: 1px solid var(--line);
}

/* ---------- 询价 / 内容页 ---------- */
.inquiry-layout { display: grid; grid-template-columns: 1.7fr 1fr; gap: 32px; padding-top: 32px; }
.inquiry-form { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.inquiry-items { margin-bottom: 22px; }
.inquiry-items h3 { margin: 0 0 10px; font-size: .95rem; }
.inquiry-items-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.inquiry-items-table th, .inquiry-items-table td { padding: 9px 10px; border-bottom: 1px solid var(--line); text-align: start; vertical-align: middle; }
.inquiry-items-table th { background: var(--paper-soft); font-weight: 600; white-space: nowrap; }
.inquiry-items-table input[type="number"] { width: 96px; margin: 0; padding: 6px 8px; }
.inquiry-items-table a { font-weight: 600; }
.inquiry-aside, .side-card {
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  align-self: start;
}
.inquiry-aside h3, .side-card h3 { margin-top: 0; font-size: 1rem; }
.inquiry-aside a, .side-card a { display: block; margin-bottom: 10px; }
.prose-grid { display: grid; grid-template-columns: 1.7fr 1fr; gap: 32px; padding-top: 32px; }
.prose h2 { margin-top: 1.4em; }
.prose p { color: var(--ink-soft); }
.stat-big { display: block; font-size: 2rem; color: var(--navy-800); margin-bottom: 14px; }
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding-top: 32px; }
.cert-card { background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--navy-700); border-radius: 0 0 var(--radius) var(--radius); padding: 22px; }
.cert-card p { color: var(--ink-soft); font-size: .88rem; margin: 0; }
.contact-layout { display: grid; grid-template-columns: 1.7fr 1fr; gap: 32px; padding-top: 32px; }
.contact-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; align-content: start; }
.contact-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.contact-card h3 { font-size: .95rem; color: var(--ink-soft); font-weight: 600; }
.contact-card a { font-weight: 600; }
.contact-card p { color: var(--ink-soft); font-size: .86rem; margin: 6px 0 0; }
.contact-layout-single { grid-template-columns: 1fr; }
.contact-card-wholesale { grid-column: 1 / -1; }
.contact-card-wholesale h2 { margin: 0 0 8px; font-size: 1.25rem; }
.wholesale-points { margin: 14px 0 0; padding-inline-start: 18px; color: var(--ink-soft); font-size: .9rem; }
.wholesale-points li { margin-bottom: 6px; }
.wholesale-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.topbar-track { font-size: .8rem; }

/* ---------- 文章 ---------- */
.article-layout { display: grid; grid-template-columns: 1.8fr 1fr; gap: 36px; padding-top: 32px; }
.article-head h1 { font-size: 1.9rem; }
.article-lead { color: var(--ink-soft); font-size: 1rem; }
.article-cover { border-radius: var(--radius); overflow: hidden; margin: 18px 0; background: #eef3f8; }
.article-cover img { width: 100%; max-height: 420px; object-fit: cover; }
.article-body { font-size: .95rem; color: var(--ink-soft); line-height: 1.8; margin-bottom: 20px; }
.article-body h2, .article-body h3 { color: var(--navy-900); margin-top: 1.4em; }
.article-body img { border-radius: 6px; margin: 12px 0; }
.article-aside { display: flex; flex-direction: column; gap: 18px; }
.aside-link { font-size: .88rem; border-bottom: 1px dashed var(--line); padding-bottom: 8px; }

/* ---------- 404 ---------- */
.not-found { text-align: center; padding: 50px 20px; }
.not-found-code { display: block; font-size: 4.4rem; line-height: 1; color: var(--navy-700); letter-spacing: .1em; }
.not-found h1 { margin-top: 10px; }
.not-found p { color: var(--ink-soft); }
.not-found-search { display: flex; gap: 8px; max-width: 440px; margin: 18px auto; }
.not-found-search input { flex: 1; padding: 10px 12px; border: 1px solid var(--line); border-radius: 6px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--navy-900); color: #a9bdd6; margin-top: 20px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 32px;
  padding: 50px 0 34px;
}
.footer-brand p { color: #8fa5bf; font-size: .86rem; margin-top: 14px; }
.footer-logo { color: #fff; }
.footer-col { display: flex; flex-direction: column; gap: 8px; }
.footer-col h4 { color: #fff; font-size: .9rem; letter-spacing: .05em; margin: 0 0 4px; }
.footer-col a, .footer-col span { color: #a9bdd6; font-size: .85rem; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 16px 0;
  font-size: .78rem;
  color: #8199b5;
}
.footer-legal { display: flex; gap: 16px; }
.footer-legal a { color: #8199b5; }

/* 支付页 */
.pay-page { max-width: 860px; padding-top: 44px; padding-bottom: 64px; }
.pay-head { display: flex; justify-content: space-between; gap: 24px; align-items: flex-end; flex-wrap: wrap; }
.pay-head h1 { margin: 6px 0 8px; }
.pay-order-no { color: var(--muted); font-size: .92rem; }
.pay-total { text-align: end; }
.pay-total span { display: block; color: var(--muted); font-size: .8rem; }
.pay-total strong { font-size: 1.7rem; color: var(--navy-800); }
.pay-summary {
  display: flex; gap: 28px; flex-wrap: wrap; margin: 26px 0;
  padding: 16px 20px; background: var(--paper-soft);
  border: 1px solid var(--line); border-radius: var(--radius);
}
.pay-summary div { display: flex; flex-direction: column; gap: 3px; }
.pay-summary span { color: var(--muted); font-size: .78rem; }
.pay-alert {
  margin: 18px 0; padding: 14px 18px; border-radius: var(--radius);
  background: #fff8e1; border: 1px solid #f0d27a; color: #6b5100;
}
.pay-alert-success { background: #e9f7ee; border-color: #9ed7b0; color: #166534; }
.pay-alert-error { background: #fdecec; border-color: #e9a2a2; color: #8a1c1c; }
.pay-tabs { display: flex; gap: 8px; margin: 8px 0 18px; border-bottom: 1px solid var(--line); }
.pay-tab {
  padding: 10px 18px; border: 0; background: transparent; cursor: pointer;
  font-weight: 600; color: var(--muted); border-bottom: 2px solid transparent;
}
.pay-tab.active { color: var(--navy-800); border-bottom-color: var(--accent); }
.pay-panel { display: none; padding: 8px 0 20px; }
.pay-panel.active { display: block; }
.pay-chains { display: flex; gap: 8px; margin-bottom: 14px; }
.pay-chain {
  padding: 6px 14px; border: 1px solid var(--line); border-radius: 6px;
  background: #fff; cursor: pointer; color: var(--muted);
}
.pay-chain.active { border-color: var(--navy-600); color: var(--navy-800); font-weight: 600; }
.pay-usdt { display: flex; gap: 24px; align-items: flex-start; flex-wrap: wrap; }
.pay-qr svg { width: 180px; height: 180px; display: block; }
.pay-usdt-info { display: flex; flex-direction: column; gap: 10px; flex: 1; min-width: 240px; }
.pay-usdt-info div { display: flex; flex-direction: column; gap: 2px; }
.pay-usdt-info span { color: var(--muted); font-size: .78rem; }
.pay-usdt-info strong { word-break: break-all; color: var(--navy-800); }
.pay-hint { min-height: 1.4em; color: var(--muted); font-size: .86rem; }
.pay-usdt-submit { margin-top: 18px; display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.pay-usdt-submit input { width: 100%; max-width: 520px; }
[dir="rtl"] .pay-total { text-align: start; }

.order-pay-row {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap; margin: 14px 0 20px;
  padding-top: 14px; border-top: 1px dashed var(--line);
}
.order-pay-row span { color: var(--muted); }

/* 在线客服 */
.chat-fab {
  position: fixed; inset-inline-end: 22px; inset-block-end: 22px; z-index: 40;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 18px; border-radius: 999px; background: var(--accent);
  color: var(--navy-900); font-weight: 700; box-shadow: 0 10px 24px rgba(0,0,0,.18);
}
.chat-page { max-width: 820px; padding-top: 40px; padding-bottom: 56px; }
.chat-box { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.chat-log { height: 420px; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 12px; background: var(--paper-soft); }
.chat-msg { max-width: 78%; padding: 10px 14px; border-radius: 10px; line-height: 1.55; white-space: pre-wrap; word-break: break-word; }
.chat-msg.visitor { align-self: flex-end; background: var(--navy-700); color: #fff; }
.chat-msg.agent { align-self: flex-start; background: #fff; border: 1px solid var(--line); }
.chat-msg.system { align-self: center; background: transparent; color: var(--muted); font-size: .82rem; }
.chat-meta { font-size: .7rem; opacity: .75; margin-top: 4px; }
.chat-form { display: flex; gap: 10px; padding: 14px; border-top: 1px solid var(--line); }
.chat-form textarea { flex: 1; min-height: 56px; resize: vertical; }
.chat-status { color: var(--muted); font-size: .82rem; padding: 10px 18px 0; }

/* ---------- RTL ---------- */
[dir="rtl"] .hero h1,
[dir="rtl"] .hero p { margin-inline-start: 0; }
[dir="rtl"] .panel-row { direction: rtl; }
[dir="rtl"] .cart-head,
[dir="rtl"] .cart-row,
[dir="rtl"] .order-head,
[dir="rtl"] .order-row { text-align: right; }
[dir="rtl"] .moq { text-align: start; }
[dir="rtl"] .link-arrow { display: inline-block; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .main-nav { gap: 0; }
  .main-nav > a, .nav-dropdown > a { padding: 10px 8px; font-size: .84rem; }
  .header-search input { width: 110px; }
  .hero h1 { font-size: 2.3rem; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .category-grid, .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .topbar-hours,
  .topbar-note { display: none; }
  .topbar-links { gap: 10px; }
  .cart-link-top span { display: none; }
  .main-nav {
    display: none;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 100%;
    inset-inline: 0;
    background: var(--navy-800);
    padding: 12px 6%;
    box-shadow: var(--shadow);
  }
  .main-nav.open { display: flex; }
  .main-nav > a, .nav-dropdown > a { padding: 11px 8px; }
  .dropdown-panel { position: static; width: auto; display: none; grid-template-columns: 1fr 1fr; box-shadow: none; }
  .nav-dropdown:hover .dropdown-panel { display: none; }
  .menu-toggle { display: inline-block; }
  .header-search { display: none; }
  .header-cta { display: none; }
  .site-header { position: relative; }
  .header-inner { flex-wrap: wrap; justify-content: space-between; }
  .hero { padding: 46px 0 50px; }
  .hero-inner { grid-template-columns: 1fr; gap: 30px; }
  .hero-panel { display: none; }
  .hero h1 { font-size: 2rem; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 42px 0; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .catalog-layout { grid-template-columns: 1fr; gap: 20px; }
  .filter-panel { order: 2; }
  .catalog-main .product-grid { grid-template-columns: repeat(2, 1fr); }
  .product-layout { grid-template-columns: 1fr; gap: 24px; }
  .product-detail-grid { grid-template-columns: 1fr; }
  .checkout-layout, .inquiry-layout, .prose-grid, .contact-layout, .article-layout { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .cart-head { display: none; }
  .cart-row { grid-template-columns: 1fr 1fr; gap: 10px; padding: 16px; }
  .cart-product { grid-column: 1 / -1; }
  .cart-price, .cart-qty, .cart-subtotal, .cart-remove { display: flex; justify-content: space-between; align-items: center; }
  .cart-price::before, .cart-subtotal::before { content: attr(data-label) ": "; color: var(--ink-soft); font-size: .78rem; }
  .cart-summary { flex-direction: column; align-items: stretch; }
  .summary-actions { justify-content: space-between; }
  .order-detail-head { grid-template-columns: 1fr; }
  .track-steps { padding: 12px 14px; }
  .track-step { flex: 1 1 40%; min-width: 0; font-size: .72rem; }
  .order-head, .order-row { grid-template-columns: 1fr .5fr .8fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 560px) {
  .product-grid, .catalog-main .product-grid { grid-template-columns: 1fr; }
  .category-grid, .cert-grid, .why-grid, .blog-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.75rem; }
  .hero-actions .btn { flex: 1 1 100%; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .not-found-code { font-size: 3.2rem; }
  .buy-actions .btn { flex: 1 1 100%; }
  .order-detail-table { padding: 0 14px; }
  .cart-row { grid-template-columns: 1fr; }
}

/* ---------- 关于我们：质量标准 ---------- */
.quality-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}
.quality-card {
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px 22px;
}
.quality-card h3 { margin: 0 0 8px; font-size: 1rem; }
.quality-card p { margin: 0; color: var(--muted); line-height: 1.7; }
.quality-note { margin-top: 16px; color: var(--muted); }

/* ---------- 关于我们：图片滚动 ---------- */
.about-gallery { overflow: hidden; }
.about-marquee { overflow: hidden; padding: 10px 0 6px; }
.about-marquee-track {
  display: flex;
  gap: 16px;
  width: max-content;
  animation: about-scroll 70s linear infinite;
}
.about-marquee-track img {
  flex: 0 0 auto;
  width: 260px;
  height: 180px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(10, 30, 60, .08);
}
.about-marquee:hover .about-marquee-track { animation-play-state: paused; }
@keyframes about-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (max-width: 760px) {
  .quality-grid { grid-template-columns: 1fr; }
  .about-marquee-track { gap: 12px; }
  .about-marquee-track img { width: 200px; height: 140px; }
}

@media (prefers-reduced-motion: reduce) {
  .about-marquee-track { animation: none; overflow-x: auto; }
}