/* ===================================================================
   端云化学 DUANYUN CHEM — 主样式表
   专业科研试剂 / 活性化合物 / 信号通路抑制剂
   =================================================================== */

:root {
  --ink: #081F33;
  --ink-2: #123047;
  --brand: #0E4A6B;
  --brand-600: #14608B;
  --brand-700: #0A3A55;
  --teal: #11B39B;
  --teal-600: #0E9C87;
  --teal-soft: #E6F7F4;
  --amber: #EFA328;
  --bg: #F5F8FA;
  --white: #fff;
  --line: #E2EAF1;
  --line-2: #EFF4F8;
  --muted: #5A7085;
  --muted-2: #8FA5B6;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(8, 31, 51, .06);
  --shadow: 0 10px 30px rgba(8, 31, 51, .09);
  --shadow-lg: 0 24px 60px rgba(8, 31, 51, .15);
  --max: 1200px;
  --sans: "Inter", "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
*::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; line-height: 1.28; color: var(--ink); letter-spacing: -.02em; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input { font-family: inherit; }

::selection { background: var(--teal); color: #fff; }

/* ---------- 布局容器 ---------- */
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.section { padding: 84px 0; }
.section--tight { padding: 60px 0; }
.section--bg { background: var(--bg); }
.section--line { border-top: 1px solid var(--line); }

/* ---------- 通用标题 ---------- */
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 40px; }
.sec-head__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: var(--teal-600); margin-bottom: 12px;
}
.sec-head__eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--teal); border-radius: 2px; }
.sec-head h2 { font-size: 34px; letter-spacing: -.03em; }
.sec-head__desc { margin-top: 12px; color: var(--muted); max-width: 560px; font-size: 15px; }
.sec-head__more {
  flex: none; display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600; color: var(--brand-600);
  padding-bottom: 6px; border-bottom: 1.5px solid transparent; transition: .2s;
}
.sec-head__more:hover { border-color: var(--teal); color: var(--teal-600); }
.sec-head__more svg { transition: transform .25s; }
.sec-head__more:hover svg { transform: translateX(4px); }

/* =================================================================
   顶部信息条
   ================================================================= */
.topbar {
  background: var(--ink);
  color: rgba(255, 255, 255, .72);
  font-size: 12.5px;
  letter-spacing: .01em;
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 38px; }
.topbar__left { display: flex; align-items: center; gap: 10px; }
.topbar__dot { width: 5px; height: 5px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 3px rgba(17, 179, 155, .18); }
.topbar__right { display: flex; align-items: center; gap: 20px; }
.topbar__right a, .topbar__right span { display: inline-flex; align-items: center; gap: 6px; transition: color .2s; }
.topbar__right a:hover { color: #fff; }
.topbar__tel { color: #fff; font-weight: 600; letter-spacing: .03em; }
.topbar__cart b { color: var(--teal); font-weight: 700; }
.topbar__sep { width: 1px; height: 12px; background: rgba(255, 255, 255, .18); }

/* =================================================================
   主导航
   ================================================================= */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s, border-color .25s;
}
.site-header.is-stuck { box-shadow: 0 6px 24px rgba(8, 31, 51, .08); border-color: transparent; }
.site-header .wrap { display: flex; align-items: center; height: 74px; gap: 32px; }

.logo { display: flex; align-items: center; gap: 11px; flex: none; }
.logo__mark { width: 38px; height: 38px; flex: none; }
.logo__text { display: flex; flex-direction: column; line-height: 1.1; }
.logo__cn { font-size: 19px; font-weight: 800; color: var(--ink); letter-spacing: .06em; }
.logo__en { font-size: 9px; font-weight: 700; letter-spacing: .22em; color: var(--muted-2); margin-top: 4px; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav__item { position: relative; }
.nav__link {
  display: flex; align-items: center; gap: 5px;
  padding: 10px 14px; font-size: 14.5px; font-weight: 600; color: var(--ink-2);
  border-radius: 8px; transition: .2s;
}
.nav__link:hover { color: var(--teal-600); background: var(--teal-soft); }
.nav__item.is-active > .nav__link { color: var(--teal-600); }
.nav__item.is-active > .nav__link::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 0; height: 2px;
  background: var(--teal); border-radius: 2px;
}
.nav__drop {
  position: absolute; top: 100%; left: 0; min-width: 208px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  box-shadow: var(--shadow); padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: .22s cubic-bezier(.2, .8, .3, 1);
}
.nav__item:hover .nav__drop { opacity: 1; visibility: visible; transform: translateY(4px); }
.nav__drop a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 12px; border-radius: 8px; font-size: 14px; color: var(--muted);
  transition: .18s;
}
.nav__drop a:hover { background: var(--bg); color: var(--brand); }
.nav__drop a span { font-size: 11px; color: var(--muted-2); }

.header-actions { display: flex; align-items: center; gap: 10px; flex: none; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 42px; padding: 0 20px; border-radius: 9px;
  font-size: 14px; font-weight: 600; letter-spacing: .01em;
  transition: .22s; white-space: nowrap;
}
.btn--primary { background: var(--brand); color: #fff; box-shadow: 0 6px 16px rgba(14, 74, 107, .22); }
.btn--primary:hover { background: var(--brand-600); transform: translateY(-1px); box-shadow: 0 10px 24px rgba(14, 74, 107, .28); }
.btn--teal { background: var(--teal); color: #fff; box-shadow: 0 6px 18px rgba(17, 179, 155, .3); }
.btn--teal:hover { background: var(--teal-600); transform: translateY(-1px); }
.btn--ghost { border: 1.5px solid rgba(255, 255, 255, .32); color: #fff; }
.btn--ghost:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .6); }
.btn--outline { border: 1.5px solid var(--line); color: var(--ink-2); background: #fff; }
.btn--outline:hover { border-color: var(--teal); color: var(--teal-600); }
.btn--sm { height: 36px; padding: 0 15px; font-size: 13px; border-radius: 8px; }
.btn--lg { height: 50px; padding: 0 28px; font-size: 15px; border-radius: 10px; }

.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 9px; border: 1px solid var(--line); align-items: center; justify-content: center; }
.nav-toggle span { display: block; width: 18px; height: 1.8px; background: var(--ink); border-radius: 2px; position: relative; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 1.8px; background: var(--ink); border-radius: 2px;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

/* =================================================================
   HERO
   ================================================================= */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 520px at 82% -10%, rgba(17, 179, 155, .30), transparent 62%),
    radial-gradient(900px 480px at 8% 110%, rgba(20, 96, 139, .55), transparent 60%),
    linear-gradient(135deg, #061A2B 0%, #0A3251 52%, #0C4055 100%);
  color: #fff;
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(ellipse at 50% 40%, #000 30%, transparent 82%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 30%, transparent 82%);
}
.hero .wrap {
  position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 40px; align-items: center; padding-top: 88px; padding-bottom: 88px;
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  height: 32px; padding: 0 14px; border-radius: 100px;
  background: rgba(17, 179, 155, .14); border: 1px solid rgba(17, 179, 155, .34);
  font-size: 12.5px; font-weight: 600; color: #7BE8D8; letter-spacing: .06em;
}
.hero__eyebrow i { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px rgba(17, 179, 155, .2); }
.hero h1 {
  margin-top: 26px; color: #fff;
  font-size: clamp(34px, 4.1vw, 54px); line-height: 1.16; letter-spacing: -.035em; font-weight: 800;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(96deg, #5FE3CE 0%, #9BF0DF 45%, #FFD27A 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__lede { margin-top: 22px; max-width: 520px; font-size: 16px; line-height: 1.85; color: rgba(255, 255, 255, .72); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero__points { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 40px; padding-top: 26px; border-top: 1px solid rgba(255, 255, 255, .12); }
.hero__points li { display: flex; align-items: center; gap: 9px; font-size: 13.5px; color: rgba(255, 255, 255, .66); }
.hero__points svg { flex: none; color: var(--teal); }

/* 分子视觉 */
.hero__visual { position: relative; display: flex; align-items: center; justify-content: center; }
.hero__visual svg { width: 100%; max-width: 470px; height: auto; overflow: visible; }
.mol-ring { stroke: rgba(122, 232, 216, .55); stroke-width: 1.4; fill: rgba(17, 179, 155, .05); }
.mol-bond { stroke: rgba(122, 232, 216, .5); stroke-width: 1.4; }
.mol-bond-d { stroke: rgba(122, 232, 216, .5); stroke-width: 1.4; }
.mol-atom { fill: #0A3251; stroke: #59DCC8; stroke-width: 1.4; }
.mol-atom--teal { fill: var(--teal); stroke: #8DF0E0; }
.mol-atom--amber { fill: var(--amber); stroke: #FFDE9E; }
.mol-label { fill: rgba(255, 255, 255, .82); font: 700 13px var(--mono); }
.mol-label--sm { fill: rgba(255, 255, 255, .55); font: 600 11px var(--mono); }

@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
@keyframes spin-slow { to { transform: rotate(360deg); } }
@keyframes dash { to { stroke-dashoffset: -420; } }
.float-a { animation: floaty 7s ease-in-out infinite; }
.float-b { animation: floaty 9s ease-in-out infinite .8s; }
.float-a, .float-b, .spin-slow { transform-box: fill-box; transform-origin: center; }
.spin-slow { animation: spin-slow 46s linear infinite; }
.dash-flow { stroke-dasharray: 6 10; animation: dash 16s linear infinite; }

.hero__chip {
  position: absolute; display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: 12px;
  background: rgba(255, 255, 255, .96); color: var(--ink);
  box-shadow: 0 14px 34px rgba(3, 16, 28, .35);
  font-size: 12.5px; font-weight: 600;
}
.hero__chip b { display: block; font-size: 14px; color: var(--ink); }
.hero__chip small { display: block; font-size: 10.5px; color: var(--muted-2); font-weight: 600; letter-spacing: .04em; }
.hero__chip--1 { top: 8%; right: -4%; animation: floaty 8s ease-in-out infinite; }
.hero__chip--2 { bottom: 6%; left: -6%; animation: floaty 10s ease-in-out infinite 1.2s; }
.hero__chip i {
  width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center;
  background: var(--teal-soft); color: var(--teal-600); flex: none;
}

/* =================================================================
   数据条 / 信任徽标
   ================================================================= */
.trustbar { background: var(--ink); color: #fff; }
.trustbar .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.trustbar__item { padding: 30px 26px; border-left: 1px solid rgba(255, 255, 255, .1); }
.trustbar__item:first-child { border-left: 0; padding-left: 0; }
.trustbar__item strong { display: block; font-size: 27px; font-weight: 800; letter-spacing: -.03em; color: #fff; line-height: 1.2; }
.trustbar__item strong span { font-size: 15px; color: var(--teal); margin-left: 2px; }
.trustbar__item p { font-size: 13px; color: rgba(255, 255, 255, .58); margin-top: 5px; }

/* =================================================================
   服务项目卡片
   ================================================================= */
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.svc {
  position: relative; display: flex; flex-direction: column;
  padding: 28px 24px 24px; border-radius: var(--radius);
  background: #fff; border: 1px solid var(--line);
  transition: .28s cubic-bezier(.2, .8, .3, 1); overflow: hidden;
}
.svc::after {
  content: ""; position: absolute; inset: 0 0 auto; height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--brand-600));
  transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.svc:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.svc:hover::after { transform: scaleX(1); }
.svc__icon {
  width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(145deg, var(--teal-soft), #F0F7FB);
  color: var(--brand); margin-bottom: 18px; transition: .28s;
}
.svc:hover .svc__icon { background: var(--brand); color: #fff; }
.svc h3 { font-size: 16.5px; margin-bottom: 8px; }
.svc p { font-size: 13.5px; color: var(--muted); line-height: 1.72; flex: 1; }
.svc__link {
  margin-top: 18px; display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 700; color: var(--teal-600);
}
.svc__link svg { transition: transform .25s; }
.svc:hover .svc__link svg { transform: translateX(4px); }

/* =================================================================
   特色产品
   ================================================================= */
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.prod {
  display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: .28s;
}
.prod:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: transparent; }
.prod__mol {
  position: relative; height: 138px; display: grid; place-items: center;
  background:
    radial-gradient(circle at 50% 45%, #F7FBFD 0%, #EEF5F9 100%);
  border-bottom: 1px solid var(--line-2);
}
.prod__mol::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(14, 74, 107, .10) 1px, transparent 1px);
  background-size: 15px 15px; opacity: .8;
}
.prod__mol svg { position: relative; width: 142px; height: 96px; }
.prod__mol .mol-s { stroke: #8FA7B8; stroke-width: 1.35; fill: none; }
.prod__mol .mol-s2 { stroke: #B9CBD8; stroke-width: 1.35; fill: none; }
.prod__mol .atom {
  fill: #fff; stroke: var(--brand-600); stroke-width: 1.3;
}
.prod__mol .atom--teal { fill: var(--teal); stroke: var(--teal-600); }
.prod__mol .atom--amber { fill: var(--amber); stroke: #D9910F; }
.prod__badge {
  position: absolute; top: 10px; left: 10px; z-index: 1;
  height: 21px; padding: 0 8px; border-radius: 5px;
  display: inline-flex; align-items: center;
  background: var(--ink); color: #fff;
  font: 700 10px var(--mono); letter-spacing: .06em;
}
.prod__stock {
  position: absolute; top: 10px; right: 10px; z-index: 1;
  height: 21px; padding: 0 8px; border-radius: 5px;
  display: inline-flex; align-items: center; gap: 5px;
  background: rgba(17, 179, 155, .12); color: var(--teal-600);
  font-size: 10.5px; font-weight: 700;
}
.prod__stock i { width: 5px; height: 5px; border-radius: 50%; background: var(--teal); }
.prod__body { padding: 16px 16px 18px; display: flex; flex-direction: column; flex: 1; }
.prod__name {
  font-size: 14.5px; font-weight: 700; color: var(--ink); line-height: 1.45;
  min-height: 42px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.prod__meta {
  margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px;
  font: 600 11px var(--mono); color: var(--muted);
}
.prod__meta span { padding: 2px 6px; background: var(--bg); border-radius: 4px; letter-spacing: .01em; }
.prod__foot {
  margin-top: auto; padding-top: 14px; display: flex; align-items: flex-end; justify-content: space-between; gap: 8px;
}
.prod__price { font-size: 17px; font-weight: 800; color: var(--brand); letter-spacing: -.02em; }
.prod__price small { font-size: 11px; color: var(--muted-2); font-weight: 600; margin-left: 4px; letter-spacing: 0; }
.prod__btn {
  width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center;
  border: 1px solid var(--line); color: var(--muted); transition: .2s; flex: none;
}
.prod:hover .prod__btn { background: var(--teal); border-color: var(--teal); color: #fff; }

/* =================================================================
   品质 / 流程
   ================================================================= */
.quality { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 64px; align-items: center; }
.quality__panel {
  position: relative; padding: 36px; border-radius: 18px; overflow: hidden;
  background: linear-gradient(150deg, #0A3251, #0E4A6B 55%, #11636A);
  color: #fff;
}
.quality__panel::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 240px; height: 240px;
  border-radius: 50%; border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: 0 0 0 34px rgba(255, 255, 255, .04), 0 0 0 70px rgba(255, 255, 255, .03);
}
.quality__panel h3 { color: #fff; font-size: 22px; position: relative; }
.quality__panel > p { color: rgba(255, 255, 255, .62); font-size: 13.5px; margin-top: 10px; position: relative; }
.q-stat { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 26px; position: relative; }
.q-stat li { padding: 16px 14px; border-radius: 11px; background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .1); }
.q-stat b { display: block; font-size: 22px; font-weight: 800; letter-spacing: -.02em; color: #7BE8D8; }
.q-stat span { font-size: 12px; color: rgba(255, 255, 255, .6); }

.steps { position: relative; padding-left: 8px; }
.step { position: relative; display: flex; gap: 20px; padding-bottom: 28px; }
.step:last-child { padding-bottom: 0; }
.step::before {
  content: ""; position: absolute; left: 17px; top: 38px; bottom: 4px; width: 1.5px;
  background: linear-gradient(var(--line), transparent);
}
.step:last-child::before { display: none; }
.step__no {
  flex: none; width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center;
  background: #fff; border: 1.5px solid var(--line);
  font: 800 13px var(--mono); color: var(--brand); position: relative; z-index: 1;
  transition: .25s;
}
.step:hover .step__no { background: var(--teal); border-color: var(--teal); color: #fff; }
.step h4 { font-size: 15.5px; margin-bottom: 5px; }
.step p { font-size: 13.5px; color: var(--muted); line-height: 1.7; }

/* =================================================================
   新闻
   ================================================================= */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news {
  display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  transition: .28s;
}
.news:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: transparent; }
.news__top {
  position: relative; height: 158px; padding: 20px;
  display: flex; flex-direction: column; justify-content: space-between;
  background: linear-gradient(140deg, #0C3B59, #0F5A6E);
  overflow: hidden;
}
.news__top::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 30px 30px;
}
.news:nth-child(2) .news__top { background: linear-gradient(140deg, #123F52, #0B6B63); }
.news:nth-child(3) .news__top { background: linear-gradient(140deg, #17324C, #1B4C67); }
.news__tag {
  position: relative; z-index: 1; align-self: flex-start;
  height: 24px; padding: 0 10px; border-radius: 5px;
  display: inline-flex; align-items: center;
  background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .2);
  color: #fff; font-size: 11.5px; font-weight: 600; letter-spacing: .04em;
}
.news__date { position: relative; z-index: 1; display: flex; align-items: baseline; gap: 8px; color: rgba(255, 255, 255, .9); }
.news__date b { font: 800 30px var(--mono); letter-spacing: -.03em; line-height: 1; }
.news__date span { font: 600 11.5px var(--mono); color: rgba(255, 255, 255, .55); letter-spacing: .06em; }
.news__body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.news h3 { font-size: 16px; line-height: 1.55; transition: color .2s; }
.news:hover h3 { color: var(--brand-600); }
.news p {
  margin-top: 10px; font-size: 13px; color: var(--muted); line-height: 1.72;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news__meta {
  margin-top: auto; padding-top: 16px; display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; color: var(--muted-2); border-top: 1px solid var(--line-2);
}
.news__meta .more { display: inline-flex; align-items: center; gap: 5px; font-weight: 700; color: var(--teal-600); }

/* =================================================================
   CTA 条
   ================================================================= */
.cta {
  position: relative; overflow: hidden; border-radius: 20px;
  background: linear-gradient(112deg, #0A3251 0%, #0E4A6B 46%, #12707A 100%);
  padding: 52px 56px; color: #fff;
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
}
.cta::before {
  content: ""; position: absolute; right: -80px; bottom: -140px; width: 420px; height: 420px;
  border-radius: 50%; border: 1px solid rgba(255, 255, 255, .1);
  box-shadow: 0 0 0 40px rgba(255, 255, 255, .04), 0 0 0 90px rgba(255, 255, 255, .03);
}
.cta h2 { color: #fff; font-size: 30px; letter-spacing: -.03em; position: relative; }
.cta p { margin-top: 10px; color: rgba(255, 255, 255, .66); font-size: 14.5px; position: relative; }
.cta__actions { display: flex; gap: 12px; flex: none; position: relative; }

/* =================================================================
   页脚
   ================================================================= */
.site-footer { background: var(--ink); color: rgba(255, 255, 255, .6); padding-top: 62px; font-size: 13.5px; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.25fr; gap: 44px; padding-bottom: 48px; }
.footer-brand .logo__cn { color: #fff; }
.footer-brand .logo__en { color: rgba(255, 255, 255, .35); }
.footer-brand p { margin-top: 18px; max-width: 300px; line-height: 1.85; color: rgba(255, 255, 255, .5); }
.footer-social { display: flex; gap: 10px; margin-top: 22px; }
.footer-social a {
  width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
  background: rgba(255, 255, 255, .06); color: rgba(255, 255, 255, .7); transition: .2s;
}
.footer-social a:hover { background: var(--teal); color: #fff; }
.footer-col h4 { color: #fff; font-size: 14px; margin-bottom: 18px; letter-spacing: .02em; }
.footer-col li { margin-bottom: 11px; }
.footer-col a { transition: color .2s; }
.footer-col a:hover { color: var(--teal); }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 14px; line-height: 1.7; }
.footer-contact svg { flex: none; margin-top: 4px; color: var(--teal); }
.footer-contact b { color: #fff; font-size: 17px; font-weight: 800; letter-spacing: .02em; display: block; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 20px 0; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  font-size: 12.5px; color: rgba(255, 255, 255, .38); flex-wrap: wrap;
}
.footer-bottom a:hover { color: rgba(255, 255, 255, .8); }
.footer-links { display: flex; gap: 20px; }

/* =================================================================
   内页通用
   ================================================================= */
.page-hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(760px 380px at 85% 0%, rgba(17, 179, 155, .26), transparent 60%),
    linear-gradient(118deg, #061A2B, #0A3251 60%, #0D4A5A);
  padding: 62px 0 56px;
}
.page-hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to right, #000, transparent 85%);
  -webkit-mask-image: linear-gradient(to right, #000, transparent 85%);
}
.page-hero .wrap { position: relative; }
.page-hero h1 { color: #fff; font-size: clamp(28px, 3.2vw, 40px); letter-spacing: -.03em; }
.page-hero p { margin-top: 14px; max-width: 620px; color: rgba(255, 255, 255, .66); font-size: 14.5px; line-height: 1.85; }
.crumb { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: rgba(255, 255, 255, .48); margin-bottom: 18px; }
.crumb a:hover { color: #fff; }
.crumb svg { opacity: .5; }

.inner-layout { display: grid; grid-template-columns: 232px minmax(0, 1fr); gap: 44px; align-items: start; }

/* 侧边竖排分类 */
.sidenav { position: sticky; top: 98px; }
.sidenav__group + .sidenav__group { margin-top: 26px; }
.sidenav__title {
  font-size: 11.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted-2); padding: 0 14px 10px;
}
.sidenav a {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 11px 14px; border-radius: 9px; font-size: 14px; font-weight: 600;
  color: var(--muted); transition: .2s; margin-bottom: 2px;
}
.sidenav a:hover { background: var(--bg); color: var(--brand); }
.sidenav a.is-active { background: var(--brand); color: #fff; box-shadow: 0 6px 16px rgba(14, 74, 107, .2); }
.sidenav a.is-active span { color: rgba(255, 255, 255, .6); }
.sidenav a span { font: 600 11px var(--mono); color: var(--muted-2); }
.sidenav__note {
  margin-top: 24px; padding: 18px; border-radius: 12px;
  background: var(--bg); border: 1px solid var(--line);
}
.sidenav__note b { display: block; font-size: 13px; color: var(--ink); }
.sidenav__note p { font-size: 12.5px; color: var(--muted); margin-top: 6px; line-height: 1.7; }

/* 内容块 */
.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.prose h2 { font-size: 22px; margin-bottom: 14px; }
.prose h3 { font-size: 17px; margin: 26px 0 10px; }
.prose p { color: var(--muted); margin-bottom: 14px; line-height: 1.9; font-size: 14.5px; }
.prose ul { margin: 0 0 16px; }
.prose ul li { position: relative; padding-left: 20px; margin-bottom: 9px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.prose ul li::before {
  content: ""; position: absolute; left: 3px; top: 11px; width: 6px; height: 6px;
  border-radius: 2px; background: var(--teal); transform: rotate(45deg);
}

/* 表单 */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 12.5px; font-weight: 700; color: var(--ink-2); letter-spacing: .02em; }
.field label i { color: #E2574C; font-style: normal; }
.field input, .field textarea, .field select {
  height: 44px; padding: 0 14px; border-radius: 9px;
  border: 1.5px solid var(--line); background: #fff; color: var(--ink);
  font-size: 14px; transition: .2s; outline: none; width: 100%;
}
.field textarea { height: auto; padding: 12px 14px; resize: vertical; min-height: 108px; line-height: 1.7; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(17, 179, 155, .13); }
.field input::placeholder, .field textarea::placeholder { color: var(--muted-2); }

/* 表格 */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; background: #fff; }
thead th {
  text-align: left; padding: 13px 16px; background: var(--bg);
  font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted);
  border-bottom: 1px solid var(--line); white-space: nowrap;
}
tbody td { padding: 13px 16px; border-bottom: 1px solid var(--line-2); color: var(--muted); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: #FAFCFD; }
tbody td b { color: var(--ink); font-weight: 700; }
.mono { font-family: var(--mono); font-size: 12.5px; }

/* 提示条 */
.callout {
  display: flex; gap: 14px; padding: 18px 20px; border-radius: 12px;
  background: var(--teal-soft); border: 1px solid rgba(17, 179, 155, .22);
}
.callout svg { flex: none; color: var(--teal-600); margin-top: 2px; }
.callout b { color: var(--ink); display: block; font-size: 14px; margin-bottom: 4px; }
.callout p { font-size: 13.5px; color: #3E6A64; line-height: 1.75; margin: 0; }

/* 卡片网格通用 */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.mini-card {
  padding: 22px; border-radius: 12px; background: #fff; border: 1px solid var(--line); transition: .24s;
}
.mini-card:hover { border-color: rgba(17, 179, 155, .4); box-shadow: var(--shadow-sm); }
.mini-card h4 { font-size: 15px; margin-bottom: 7px; }
.mini-card p { font-size: 13.5px; color: var(--muted); line-height: 1.75; }
.mini-card__icon { color: var(--teal-600); margin-bottom: 14px; }

/* 联系卡片 */
.contact-card {
  display: flex; gap: 16px; padding: 22px; border-radius: 12px; background: #fff;
  border: 1px solid var(--line); transition: .24s;
}
.contact-card:hover { box-shadow: var(--shadow-sm); border-color: rgba(17, 179, 155, .35); }
.contact-card__icon {
  width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; flex: none;
  background: var(--teal-soft); color: var(--teal-600);
}
.contact-card h4 { font-size: 13px; color: var(--muted); font-weight: 600; letter-spacing: .04em; }
.contact-card b { display: block; margin-top: 4px; font-size: 16px; color: var(--ink); font-weight: 700; line-height: 1.6; word-break: break-all; }

/* 空状态骨架 */
.skeleton-note {
  font-size: 12.5px; color: var(--muted-2); text-align: center; padding: 22px;
}

/* ---------- 结构式搜索演示 ---------- */
.sketch { display: grid; grid-template-columns: 196px minmax(0, 1fr); gap: 22px; align-items: start; }
.sketch__palette { display: flex; flex-direction: column; gap: 8px; }
.sketch__frag {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 7px 12px; border: 1px solid var(--line); border-radius: 9px;
  background: #fff; font-size: 13.5px; font-weight: 600; color: var(--ink-2);
  transition: .18s; text-align: left;
}
.sketch__frag:hover { border-color: var(--teal); color: var(--teal-600); background: #F8FDFC; }
.sketch__frag svg { width: 34px; height: 34px; flex: none; }
.sketch__stage {
  border: 1.5px dashed #D2DFE9; border-radius: 12px; background: #FBFDFE;
  min-height: 150px; display: grid; place-items: center; padding: 16px;
  overflow-x: auto; position: relative;
}
.sketch__stage::after {
  content: "STRUCTURE CANVAS"; position: absolute; right: 12px; bottom: 8px;
  font: 700 9px var(--mono); letter-spacing: .18em; color: #C3D3DE;
}
.sketch__empty { text-align: center; color: var(--muted-2); font-size: 13px; }
.sketch__empty svg { margin: 0 auto 10px; opacity: .45; }
.sketch__bar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line-2); flex-wrap: wrap;
}
.sketch__result { font-size: 13px; color: var(--muted); }
.sketch__result b { color: var(--brand); font-weight: 800; }
.btn--text { font-size: 13px; font-weight: 700; color: var(--muted); padding: 6px 10px; border-radius: 7px; transition: .2s; }
.btn--text:hover { background: var(--bg); color: #E2574C; }

/* ---------- 工具栏 ---------- */
.toolbar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 13px 16px; background: #fff; border: 1px solid var(--line);
  border-radius: 12px; margin-bottom: 20px;
}
.toolbar__search {
  flex: 1; min-width: 200px; display: flex; align-items: center; gap: 9px;
  height: 40px; padding: 0 12px; border: 1.5px solid var(--line); border-radius: 9px;
  color: var(--muted-2); transition: .2s;
}
.toolbar__search:focus-within { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(17, 179, 155, .12); }
.toolbar__search input { border: 0; outline: 0; flex: 1; font-size: 14px; color: var(--ink); background: transparent; }
.toolbar__search input::placeholder { color: var(--muted-2); }
.toolbar select {
  height: 40px; padding: 0 34px 0 12px; border-radius: 9px; border: 1.5px solid var(--line);
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235A7085' stroke-width='2.4'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;
  font-size: 13.5px; color: var(--ink-2); appearance: none; cursor: pointer; outline: none;
}
.toolbar__count { font-size: 13px; color: var(--muted); margin-left: auto; white-space: nowrap; }
.toolbar__count b { color: var(--brand); font-weight: 800; font-size: 15px; }

/* ---------- 新闻列表（竖排） ---------- */
.news-list { border-top: 1px solid var(--line); }
.news-item {
  display: grid; grid-template-columns: 76px minmax(0, 1fr) 20px; gap: 24px;
  align-items: center; padding: 24px 6px; border-bottom: 1px solid var(--line);
  transition: .22s;
}
.news-item:hover { background: #FAFCFD; padding-left: 16px; padding-right: 16px; border-radius: 10px; }
.news-item__date { text-align: center; border-right: 1px solid var(--line); padding-right: 18px; }
.news-item__date b { display: block; font: 800 25px var(--mono); color: var(--brand); line-height: 1.1; letter-spacing: -.02em; }
.news-item__date span { font: 600 10.5px var(--mono); color: var(--muted-2); letter-spacing: .08em; }
.news-item__tag {
  display: inline-flex; align-items: center; height: 20px; padding: 0 8px;
  border-radius: 4px; background: var(--teal-soft); color: var(--teal-600);
  font-size: 11px; font-weight: 700; margin-bottom: 8px;
}
.news-item h3 { font-size: 16.5px; margin-bottom: 6px; transition: color .2s; }
.news-item:hover h3 { color: var(--teal-600); }
.news-item p {
  font-size: 13.5px; color: var(--muted); line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.news-item__arrow { color: var(--muted-2); display: grid; place-items: center; transition: .2s; }
.news-item:hover .news-item__arrow { color: var(--teal-600); transform: translateX(3px); }

/* ---------- 时间线 ---------- */
.timeline { position: relative; padding-left: 26px; }
.timeline::before { content: ""; position: absolute; left: 5px; top: 8px; bottom: 10px; width: 1.5px; background: var(--line); }
.tl-item { position: relative; padding-bottom: 26px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -26px; top: 5px; width: 12px; height: 12px;
  border-radius: 50%; background: #fff; border: 2.5px solid var(--teal);
}
.tl-item b { display: block; font: 800 13px var(--mono); color: var(--teal-600); letter-spacing: .06em; margin-bottom: 5px; }
.tl-item h4 { font-size: 15.5px; margin-bottom: 5px; }
.tl-item p { font-size: 13.5px; color: var(--muted); line-height: 1.78; }

/* ---------- 地图占位 ---------- */
.map {
  position: relative; height: 330px; border-radius: 14px; overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(rgba(14, 74, 107, .05) 1px, transparent 1px) 0 0 / 100% 34px,
    linear-gradient(90deg, rgba(14, 74, 107, .05) 1px, transparent 1px) 0 0 / 34px 100%,
    linear-gradient(135deg, #EEF6FA, #E4F1EF);
  display: grid; place-items: center;
}
.map::before {
  content: ""; position: absolute; left: -10%; top: 42%; width: 130%; height: 16px;
  background: rgba(255, 255, 255, .8); transform: rotate(-8deg);
}
.map::after {
  content: ""; position: absolute; left: 34%; top: -10%; width: 14px; height: 130%;
  background: rgba(255, 255, 255, .8); transform: rotate(6deg);
}
.map__pin {
  position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.map__dot {
  width: 18px; height: 18px; border-radius: 50%; background: var(--teal);
  box-shadow: 0 0 0 8px rgba(17, 179, 155, .18), 0 0 0 18px rgba(17, 179, 155, .1);
  animation: ping 2.6s cubic-bezier(0, 0, .2, 1) infinite;
}
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(17,179,155,.35), 0 0 0 0 rgba(17,179,155,.22); } 70% { box-shadow: 0 0 0 12px rgba(17,179,155,0), 0 0 0 26px rgba(17,179,155,0); } 100% { box-shadow: 0 0 0 0 rgba(17,179,155,0), 0 0 0 0 rgba(17,179,155,0); } }
.map__label {
  padding: 8px 14px; border-radius: 9px; background: #fff; box-shadow: var(--shadow-sm);
  font-size: 12.5px; font-weight: 700; color: var(--ink); text-align: center; line-height: 1.5;
}
.map__label small { display: block; font-weight: 500; color: var(--muted-2); font-size: 11px; }

/* ---------- 数据卡 ---------- */
.o-stat { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.o-stat li { padding: 24px 20px; border-radius: 12px; background: var(--bg); border: 1px solid var(--line); }
.o-stat b { display: block; font-size: 32px; font-weight: 800; color: var(--brand); letter-spacing: -.03em; line-height: 1.1; }
.o-stat b span { font-size: 15px; color: var(--teal-600); }
.o-stat p { font-size: 13px; color: var(--muted); margin-top: 6px; }

/* ---------- 分子骨架全局基础样式 ---------- */
.mol-s { stroke: #8FA7B8; stroke-width: 1.35; fill: none; }
.mol-s2 { stroke: #B9CBD8; stroke-width: 1.35; fill: none; }
.atom { fill: #fff; stroke: var(--brand-600); stroke-width: 1.3; }
.atom--teal { fill: var(--teal); stroke: var(--teal-600); }
.atom--amber { fill: var(--amber); stroke: #D9910F; }

/* ---------- 面包屑条（浅色） ---------- */
.crumb-bar { background: var(--bg); border-bottom: 1px solid var(--line); font-size: 12.5px; color: var(--muted-2); }
.crumb-bar .wrap { display: flex; align-items: center; gap: 8px; height: 44px; flex-wrap: wrap; }
.crumb-bar a:hover { color: var(--brand); }
.crumb-bar b { color: var(--ink); font-weight: 700; }
.crumb-bar svg { opacity: .42; flex: none; }

/* =================================================================
   产品详情页
   ================================================================= */
.pd { padding: 34px 0 12px; }
.pd__grid { display: grid; grid-template-columns: minmax(0, .94fr) minmax(0, 1.06fr); gap: 44px; align-items: start; }

.pd__visual { border: 1px solid var(--line); border-radius: 16px; background: #fff; overflow: hidden; }
.pd__molbox {
  position: relative; height: 328px; display: grid; place-items: center; padding: 26px;
  background: radial-gradient(circle at 50% 45%, #F9FCFD 0%, #EBF3F8 100%);
  border-bottom: 1px solid var(--line-2);
}
.pd__molbox::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(14, 74, 107, .10) 1px, transparent 1px);
  background-size: 16px 16px; opacity: .7;
}
.pd__molbox svg { position: relative; width: 100%; max-width: 360px; height: auto; }
.pd__molbox .mol-s { stroke-width: 1.5; }
.pd__molcap {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 11px 18px; font-size: 11.5px; color: var(--muted-2); border-bottom: 1px solid var(--line-2);
  flex-wrap: wrap;
}
.pd__molbox .mol-s { stroke: #3E7CA0; stroke-width: 1.5; }
.pd__molbox .mol-s2 { stroke: #A9C4D4; stroke-width: 1.5; }
.pd__molbox .atom { stroke-width: 1.4; }
.pd__molcap span:first-child { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-weight: 600; }
.pd__molcap i { width: 5px; height: 5px; border-radius: 50%; background: var(--teal); }
.pd__quick { display: grid; grid-template-columns: repeat(3, 1fr); }
.pd__quick div { padding: 15px 16px; border-left: 1px solid var(--line-2); }
.pd__quick div:first-child { border-left: 0; }
.pd__quick small { display: block; font-size: 10.5px; letter-spacing: .08em; color: var(--muted-2); margin-bottom: 5px; text-transform: uppercase; }
.pd__quick b { font-size: 13.5px; color: var(--ink); font-weight: 700; }

.pd__info { padding-top: 2px; }
.pd__tag {
  display: inline-flex; align-items: center; height: 26px; padding: 0 11px; border-radius: 6px;
  background: var(--teal-soft); color: var(--teal-600);
  font-size: 11.5px; font-weight: 700; letter-spacing: .02em;
}
.pd__h1 { font-size: 34px; margin: 14px 0 10px; letter-spacing: -.035em; word-break: break-word; }
.pd__eng { font-size: 13px; color: var(--muted); line-height: 1.7; word-break: break-word; }
.pd__metas {
  display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 18px 0 20px;
  padding: 13px 0; border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2);
  font-size: 12.5px; color: var(--muted-2);
}
.pd__metas b { color: var(--ink); font-weight: 700; margin-left: 5px; }
.in-stock { display: inline-flex; align-items: center; gap: 5px; color: var(--teal-600); font-weight: 700; font-size: 12px; }
.in-stock i { width: 5px; height: 5px; border-radius: 50%; background: var(--teal); }

.spec-table { width: 100%; border-collapse: separate; border-spacing: 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.spec-table thead th {
  background: var(--bg); font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--muted-2); padding: 11px 16px; text-align: left; border-bottom: 1px solid var(--line); font-weight: 700;
}
.spec-table tbody td { padding: 0 16px; height: 54px; border-bottom: 1px solid var(--line-2); font-size: 14px; background: #fff; }
.spec-table tbody tr:last-child td { border-bottom: 0; }
.spec-row { cursor: pointer; transition: .18s; }
.spec-row:hover td { background: #FAFCFD; }
.spec-row.is-selected td { background: var(--teal-soft); }
.spec-row.is-selected td:first-child { box-shadow: inset 3px 0 0 var(--teal); }
.spec-radio { display: flex; align-items: center; gap: 9px; cursor: pointer; position: relative; }
.spec-radio input { position: absolute; opacity: 0; pointer-events: none; }
.spec-radio span { width: 15px; height: 15px; border-radius: 50%; border: 1.5px solid #C4D2DC; transition: .2s; flex: none; position: relative; }
.spec-radio input:checked + span { border-color: var(--teal); }
.spec-radio input:checked + span::after { content: ""; position: absolute; inset: 3px; border-radius: 50%; background: var(--teal); }
.spec-radio b { font-weight: 700; color: var(--ink); }
.spec-price { color: var(--brand); font-weight: 800; font-size: 15px; letter-spacing: -.01em; }

.pd__buy { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.qty { display: flex; align-items: center; height: 44px; border: 1.5px solid var(--line); border-radius: 9px; overflow: hidden; background: #fff; }
.qty button { width: 38px; height: 100%; font-size: 17px; color: var(--muted); transition: .15s; line-height: 1; }
.qty button:hover { background: var(--bg); color: var(--brand); }
.qty input {
  width: 46px; height: 100%; border: 0; text-align: center; font-size: 14px; font-weight: 700;
  color: var(--ink); outline: 0; border-left: 1.5px solid var(--line); border-right: 1.5px solid var(--line);
}
.pd__total { font-size: 13px; color: var(--muted); margin-right: auto; }
.pd__total b { font-size: 19px; font-weight: 800; color: var(--brand); letter-spacing: -.02em; margin-left: 4px; }

.pd__docs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line-2); }
.pd__docs a {
  display: inline-flex; align-items: center; gap: 7px; height: 34px; padding: 0 13px; border-radius: 8px;
  border: 1px solid var(--line); font-size: 12.5px; font-weight: 600; color: var(--muted); transition: .2s;
}
.pd__docs a:hover { border-color: var(--teal); color: var(--teal-600); background: #F8FDFC; }
.pd__assure { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 18px; }
.pd__assure li { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--muted); }
.pd__assure svg { color: var(--teal); flex: none; }

.pd__body { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 24px; align-items: start; }
.pd__main > .panel + .panel, .pd__side > .panel + .panel { margin-top: 22px; }
.pd__main .panel h2 { font-size: 18px; margin-bottom: 16px; }
.pd__side .panel h3 { font-size: 15.5px; margin-bottom: 12px; }
.pd__desc { font-size: 14.5px; line-height: 1.95; color: var(--muted); }

.info-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.info-table th {
  width: 88px; text-align: left; font-weight: 600; color: var(--muted-2); font-size: 12.5px;
  padding: 11px 0; vertical-align: top; border-bottom: 1px solid var(--line-2);
}
.info-table td { padding: 11px 14px 11px 0; color: var(--ink-2); border-bottom: 1px solid var(--line-2); vertical-align: top; line-height: 1.78; }
.info-table tr:last-child th, .info-table tr:last-child td { border-bottom: 0; }
.info-table td.mono { font-family: var(--mono); font-size: 12.5px; }

.pd__tech p { font-size: 13px; color: var(--muted); line-height: 1.78; }
.pd__tech ul { margin-top: 14px; }
.pd__tech li { padding: 10px 0; border-top: 1px solid var(--line-2); }
.pd__tech li b { display: block; font-size: 16px; color: var(--brand); font-weight: 800; letter-spacing: .01em; }
.pd__tech li span { font-size: 12px; color: var(--muted-2); }
.pd__note p { font-size: 13px; color: var(--muted); line-height: 1.78; margin-bottom: 10px; }

.rel-list { display: flex; flex-direction: column; gap: 10px; margin-top: 4px; }
.rel-item { display: flex; gap: 12px; padding: 10px; border-radius: 10px; border: 1px solid var(--line); transition: .2s; }
.rel-item:hover { border-color: rgba(17, 179, 155, .45); background: #FAFDFC; }
.rel-item__mol {
  width: 50px; height: 46px; flex: none; display: grid; place-items: center;
  background: var(--bg); border-radius: 7px; overflow: hidden;
}
.rel-item__mol svg { width: 44px; height: auto; }
.rel-item__body { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.rel-item__body b {
  font-size: 13px; color: var(--ink); font-weight: 700; line-height: 1.35;
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.rel-item__body small { font-size: 10.5px; color: var(--muted-2); }
.rel-item__body em { font-style: normal; font-size: 12px; font-weight: 800; color: var(--brand); }

/* =================================================================
   响应式
   ================================================================= */
@media (max-width: 1080px) {
  .svc-grid, .prod-grid { grid-template-columns: repeat(3, 1fr); }
  .hero .wrap { grid-template-columns: 1fr; gap: 30px; padding-top: 64px; padding-bottom: 64px; }
  .hero__visual { display: none; }
  .quality { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 34px; }
  .news-grid { grid-template-columns: 1fr; }
  .inner-layout { grid-template-columns: 1fr; gap: 28px; }
  .pd__grid { grid-template-columns: 1fr; gap: 26px; }
  .pd__body { grid-template-columns: 1fr; }
  .pd__molbox { height: 280px; }
  .sidenav { position: static; }
  .sidenav__group { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px; }
  .sidenav__title { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .topbar { display: none; }
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .site-header .wrap { height: 64px; gap: 12px; }
  .header-actions .btn span { display: none; }
  .header-actions .btn { width: 42px; padding: 0; }
  .svc-grid, .prod-grid, .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .trustbar .wrap { grid-template-columns: repeat(2, 1fr); }
  .trustbar__item { padding: 22px 18px; }
  .trustbar__item:nth-child(3) { border-left: 0; padding-left: 0; }
  .section { padding: 60px 0; }
  .sec-head { flex-direction: column; align-items: flex-start; gap: 14px; }
  .sec-head h2 { font-size: 26px; }
  .cta { flex-direction: column; align-items: flex-start; padding: 34px 26px; text-align: left; }
  .cta h2 { font-size: 23px; }
  .form-grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }

  /* 移动端抽屉 */
  .nav.is-open {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; padding: 12px 16px 20px; gap: 2px;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
  }
  .nav.is-open .nav__link { padding: 13px 12px; font-size: 15px; justify-content: space-between; }
  .nav.is-open .nav__drop { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 6px 10px; background: transparent; }
}

/* =================================================================
   账号 / 购物车 / 订单 系统
   ================================================================= */

/* ---------- 顶部登录态 ---------- */
.topbar__user { display: inline-flex; align-items: center; gap: 16px; }
.topbar__user a { display: inline-flex; align-items: center; gap: 5px; }
.topbar__me { color: #fff !important; font-weight: 600; }
.topbar__avatar {
  width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center;
  background: var(--teal); color: #052B33; font: 800 10px var(--sans);
}
[data-cart-count].is-empty { color: rgba(255, 255, 255, .5); }

/* ---------- 提示条 ---------- */
.toast-stack {
  position: fixed; right: 24px; bottom: 26px; z-index: 9999;
  display: flex; flex-direction: column; gap: 10px; pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: 10px; pointer-events: auto;
  min-width: 220px; max-width: 360px; padding: 13px 16px;
  background: var(--ink); color: #fff; border-radius: 10px;
  box-shadow: 0 16px 40px rgba(8, 31, 51, .28);
  font-size: 13.5px; font-weight: 600;
  opacity: 0; transform: translateY(12px) scale(.97); transition: .3s cubic-bezier(.2, .8, .3, 1);
}
.toast.is-in { opacity: 1; transform: none; }
.toast__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); flex: none; box-shadow: 0 0 0 3px rgba(17, 179, 155, .22); }
.toast--err .toast__dot { background: #E2574C; box-shadow: 0 0 0 3px rgba(226, 87, 76, .22); }
.toast__link { margin-left: auto; color: var(--teal); font-weight: 700; white-space: nowrap; }
.toast__link:hover { text-decoration: underline; }

/* ---------- 登录 / 注册 ---------- */
.auth {
  padding: 54px 0 74px;
  background:
    radial-gradient(760px 380px at 8% -10%, #E4F2F7 0%, rgba(228, 242, 247, 0) 62%),
    radial-gradient(600px 320px at 92% 110%, #E9F7F4 0%, rgba(233, 247, 244, 0) 60%),
    var(--bg);
}
.auth__grid { display: grid; grid-template-columns: minmax(0, 1fr) 452px; gap: 48px; align-items: stretch; }
.auth__visual {
  position: relative; overflow: hidden; border-radius: 20px; padding: 48px 46px;
  background: linear-gradient(155deg, #08283D 0%, #0E4A6B 48%, #0F6E71 100%);
  color: #fff; display: flex; flex-direction: column; justify-content: space-between;
  box-shadow: 0 26px 60px rgba(8, 40, 61, .26);
}
.auth__visual::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .055) 1px, transparent 1px);
  background-size: 44px 44px; mask-image: radial-gradient(120% 90% at 70% 20%, #000 30%, transparent 78%);
}
.auth__visual > * { position: relative; z-index: 1; }
.auth__eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 11.5px; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase; color: rgba(255, 255, 255, .66);
}
.auth__eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--teal); border-radius: 2px; }
.auth__visual h2 { font-size: 31px; color: #fff; margin: 16px 0 14px; letter-spacing: -.03em; line-height: 1.3; }
.auth__visual h2 em { font-style: normal; color: #46E0C6; }
.auth__visual p { font-size: 14px; color: rgba(255, 255, 255, .7); line-height: 1.85; max-width: 420px; }
.auth__points { margin-top: 30px; display: flex; flex-direction: column; gap: 14px; }
.auth__points li { display: flex; gap: 12px; align-items: flex-start; font-size: 13.5px; color: rgba(255, 255, 255, .82); }
.auth__points svg { flex: none; margin-top: 3px; color: #46E0C6; }
.auth__points b { color: #fff; display: block; font-size: 13.5px; margin-bottom: 2px; }
.auth__points span { color: rgba(255, 255, 255, .58); font-size: 12.5px; }
.auth__foot { font-size: 12px; color: rgba(255, 255, 255, .45); display: flex; gap: 18px; flex-wrap: wrap; }

.auth-card {
  background: #fff; border: 1px solid var(--line); border-radius: 20px;
  padding: 38px 36px 32px; box-shadow: 0 18px 46px rgba(8, 31, 51, .08);
}
.auth-card__head { margin-bottom: 26px; }
.auth-card__head h1 { font-size: 25px; letter-spacing: -.03em; }
.auth-card__head p { font-size: 13px; color: var(--muted); margin-top: 8px; }
.auth-pane { display: none; }
.auth-pane.is-on { display: block; }
.auth-form { display: flex; flex-direction: column; gap: 15px; }
.auth-form .field label { font-size: 12px; }
.field__code { display: flex; gap: 10px; }
.field__code input { flex: 1; }
.code-box {
  flex: none; width: 108px; height: 44px; border-radius: 9px; cursor: pointer;
  display: grid; place-items: center; user-select: none;
  background: linear-gradient(120deg, #EAF4F8, #E6F7F4);
  border: 1.5px solid var(--line);
  font: 800 17px var(--mono); letter-spacing: .28em; color: var(--brand);
  text-indent: .28em; transition: .2s;
}
.code-box:hover { border-color: var(--teal); }
.auth-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 13px; }
.check { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); cursor: pointer; font-size: 13px; }
.check input { width: 15px; height: 15px; accent-color: var(--teal-600); cursor: pointer; }
.auth-row a { color: var(--brand-600); font-weight: 600; }
.auth-row a:hover { color: var(--teal-600); }
.auth-form .btn { width: 100%; justify-content: center; height: 46px; margin-top: 4px; }
.auth-msg { font-size: 12.5px; font-weight: 600; min-height: 18px; color: #E2574C; }
.auth-msg.is-ok { color: var(--teal-600); }
.auth__switch { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line-2); text-align: center; font-size: 13px; color: var(--muted); }
.auth__switch a { color: var(--teal-600); font-weight: 700; }
.auth-hint {
  margin-top: 16px; padding: 11px 13px; border-radius: 9px;
  background: #F8FBFD; border: 1px dashed var(--line); font-size: 12px; color: var(--muted);
  display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap;
}
.auth-hint code { font: 600 11.5px var(--mono); color: var(--brand); }
.auth-hint button { font-size: 12px; font-weight: 700; color: var(--teal-600); }

/* ---------- 步骤条 ---------- */
.steps { display: flex; align-items: center; flex-wrap: wrap; gap: 0; margin-bottom: 26px; }
.steps li { display: flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 600; color: var(--muted-2); }
.steps li b {
  width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center;
  background: #fff; border: 1.5px solid var(--line); font: 700 11px var(--mono); color: var(--muted-2);
  transition: .2s;
}
.steps li.is-on { color: var(--ink); }
.steps li.is-on b { background: var(--brand); border-color: var(--brand); color: #fff; box-shadow: 0 4px 12px rgba(14, 74, 107, .24); }
.steps li.is-done b { background: var(--teal); border-color: var(--teal); color: #fff; }
.steps__line { width: 54px; height: 1.5px; background: var(--line); margin: 0 14px; }

/* ---------- 购物车 ---------- */
.cart-grid { display: grid; grid-template-columns: minmax(0, 1fr) 336px; gap: 26px; align-items: start; }
.cart-box { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; }
.cart-head {
  display: grid; grid-template-columns: minmax(0, 1fr) 108px 132px 118px 40px;
  gap: 12px; padding: 13px 20px; background: var(--bg); border-bottom: 1px solid var(--line);
  font-size: 11.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted);
}
.cart-head span:nth-child(2), .cart-head span:nth-child(3), .cart-head span:nth-child(4) { text-align: center; }
.cart-row {
  display: grid; grid-template-columns: minmax(0, 1fr) 108px 132px 118px 40px;
  gap: 12px; align-items: center; padding: 16px 20px; border-top: 1px solid var(--line-2);
  transition: background .2s;
}
.cart-row:first-child { border-top: 0; }
.cart-row:hover { background: #FBFDFE; }
.cart-prod { display: flex; align-items: center; gap: 14px; min-width: 0; }
.cart-prod__mol {
  width: 64px; height: 54px; flex: none; border-radius: 9px; border: 1px solid var(--line);
  background: var(--bg); display: grid; place-items: center; overflow: hidden;
}
.cart-prod__mol svg { width: 52px; height: auto; }
.cart-prod__body { min-width: 0; }
.cart-prod__body b { display: block; font-size: 14px; color: var(--ink); font-weight: 700; line-height: 1.4; }
.cart-prod__body b:hover { color: var(--teal-600); }
.cart-prod__body small { font: 600 11px var(--mono); color: var(--muted-2); }
.cart-spec { text-align: center; }
.cart-spec span {
  display: inline-block; padding: 3px 9px; border-radius: 6px; background: var(--bg);
  border: 1px solid var(--line); font: 700 11.5px var(--mono); color: var(--ink-2);
}
.cart-qty { display: flex; align-items: center; justify-content: center; }
.cart-qty .qty { height: 34px; }
.cart-qty .qty button { width: 26px; font-size: 14px; }
.cart-qty .qty input { width: 38px; font-size: 13px; }
.cart-line { text-align: center; font: 800 14.5px var(--mono); color: var(--brand); }
.cart-del { display: grid; place-items: center; color: var(--muted-2); transition: .2s; }
.cart-del:hover { color: #E2574C; }
.cart-tools { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 20px; border-top: 1px solid var(--line); background: #FCFDFE; font-size: 13px; color: var(--muted); }
.cart-tools a { color: var(--brand-600); font-weight: 600; }
.cart-empty { text-align: center; padding: 78px 24px; }
.cart-empty svg { margin: 0 auto 18px; color: #C6D6E1; }
.cart-empty h3 { font-size: 18px; margin-bottom: 8px; }
.cart-empty p { font-size: 13.5px; color: var(--muted); margin-bottom: 22px; }

.sum-card { position: sticky; top: 92px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); }
.sum-card h3 { font-size: 16px; margin-bottom: 18px; }
.sum-row { display: flex; align-items: center; justify-content: space-between; font-size: 13.5px; color: var(--muted); padding: 8px 0; }
.sum-row b { color: var(--ink); font-weight: 700; }
.sum-row .free { color: var(--teal-600); font-weight: 700; }
.sum-total {
  display: flex; align-items: baseline; justify-content: space-between;
  margin: 12px 0 18px; padding-top: 16px; border-top: 1px dashed var(--line);
  font-size: 13px; color: var(--muted);
}
.sum-total b { font: 800 27px var(--mono); color: var(--brand); letter-spacing: -.02em; }
.sum-card .btn { width: 100%; justify-content: center; }
.sum-card .btn + .btn { margin-top: 10px; }
.sum-tip { margin-top: 16px; font-size: 12px; color: var(--muted-2); line-height: 1.7; }
.sum-tip b { color: var(--amber); }
.progress-note { margin-top: 14px; height: 5px; border-radius: 99px; background: var(--line-2); overflow: hidden; }
.progress-note i { display: block; height: 100%; background: linear-gradient(90deg, var(--teal), var(--brand-600)); border-radius: 99px; transition: width .5s; }

/* ---------- 结算 / 确认订单 ---------- */
.co-grid { display: grid; grid-template-columns: minmax(0, 1fr) 348px; gap: 26px; align-items: start; }
.co-block { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; margin-bottom: 20px; }
.co-block__head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 20px; }
.co-block__head h3 { font-size: 16px; display: flex; align-items: center; gap: 9px; }
.co-block__head h3 i {
  width: 20px; height: 20px; border-radius: 6px; display: grid; place-items: center;
  background: var(--teal-soft); color: var(--teal-600); font: 800 11px var(--mono); font-style: normal;
}
.co-block__head a { font-size: 12.5px; font-weight: 700; color: var(--brand-600); }
.co-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.co-form .field--full { grid-column: 1 / -1; }
.pay-opts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.pay-opt {
  position: relative; display: flex; flex-direction: column; gap: 4px;
  padding: 16px; border: 1.5px solid var(--line); border-radius: 11px; cursor: pointer;
  transition: .2s; background: #fff;
}
.pay-opt:hover { border-color: rgba(17, 179, 155, .5); }
.pay-opt.is-on { border-color: var(--teal); background: #F6FDFB; box-shadow: 0 0 0 3px rgba(17, 179, 155, .1); }
.pay-opt b { font-size: 13.5px; color: var(--ink); display: flex; align-items: center; gap: 8px; }
.pay-opt span { font-size: 12px; color: var(--muted); line-height: 1.6; }
.pay-opt__dot {
  position: absolute; top: 14px; right: 14px; width: 15px; height: 15px; border-radius: 50%;
  border: 1.5px solid var(--line);
}
.pay-opt.is-on .pay-opt__dot { border-color: var(--teal); background: radial-gradient(circle, var(--teal) 0 45%, #fff 46%); }
.pay-opt__icon { color: var(--brand-600); }

.inv-opts { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.inv-opt {
  padding: 7px 15px; border-radius: 99px; border: 1.5px solid var(--line);
  font-size: 12.5px; font-weight: 600; color: var(--muted); cursor: pointer; transition: .2s; background: #fff;
}
.inv-opt:hover { border-color: rgba(17, 179, 155, .5); color: var(--teal-600); }
.inv-opt.is-on { border-color: var(--teal); background: var(--teal-soft); color: var(--teal-600); }

.co-list { border-top: 1px solid var(--line-2); }
.co-item { display: grid; grid-template-columns: 54px minmax(0, 1fr) auto; gap: 14px; align-items: center; padding: 13px 0; border-bottom: 1px dashed var(--line-2); }
.co-item:last-child { border-bottom: 0; }
.co-item__mol { width: 54px; height: 46px; border-radius: 8px; background: var(--bg); border: 1px solid var(--line); display: grid; place-items: center; overflow: hidden; }
.co-item__mol svg { width: 44px; height: auto; }
.co-item__body b { display: block; font-size: 13.5px; color: var(--ink); line-height: 1.4; }
.co-item__body small { font: 600 11px var(--mono); color: var(--muted-2); }
.co-item__price { text-align: right; font: 800 13.5px var(--mono); color: var(--brand); }
.co-item__price small { display: block; font: 500 11.5px var(--sans); color: var(--muted-2); }

/* ---------- 订单详情 ---------- */
.od-hero {
  display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap;
  padding: 30px 32px; border-radius: var(--radius); margin-bottom: 22px; color: #fff;
  background: linear-gradient(140deg, #0A3A55, #0E4A6B 58%, #0F6E71);
}
.od-hero h1 { font-size: 25px; color: #fff; display: flex; align-items: center; gap: 12px; }
.od-hero p { font-size: 13px; color: rgba(255, 255, 255, .68); margin-top: 8px; }
.od-hero__no { font: 700 12.5px var(--mono); color: #7FEFD9; }
.od-hero__act { display: flex; gap: 10px; flex-wrap: wrap; }
.od-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 24px; align-items: start; }

.timeline { position: relative; padding-left: 26px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 10px; width: 1.5px; background: linear-gradient(var(--teal), var(--line)); }
.timeline li { position: relative; padding: 0 0 20px 0; font-size: 13.5px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: ""; position: absolute; left: -24px; top: 6px; width: 9px; height: 9px;
  border-radius: 50%; background: #fff; border: 2px solid var(--line);
}
.timeline li:first-child::before { border-color: var(--teal); background: var(--teal); box-shadow: 0 0 0 3px rgba(17, 179, 155, .18); }
.timeline b { display: block; color: var(--ink); font-size: 13.5px; }
.timeline span { font: 600 11.5px var(--mono); color: var(--muted-2); }

.kv-list { display: flex; flex-direction: column; }
.kv-list > div { display: flex; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--line-2); font-size: 13.5px; }
.kv-list > div:last-child { border-bottom: 0; }
.kv-list dt, .kv-list small { flex: none; width: 78px; color: var(--muted); font-size: 13px; }
.kv-list dd { margin: 0; color: var(--ink-2); font-weight: 600; }

/* ---------- 会员中心 ---------- */
.acct { display: grid; grid-template-columns: 236px minmax(0, 1fr); gap: 26px; align-items: start; }
.acct__side { position: sticky; top: 92px; }
.acct-card {
  background: linear-gradient(150deg, #0A3A55, #0E4A6B 62%, #0F6E71);
  border-radius: var(--radius); padding: 24px 22px; color: #fff; margin-bottom: 16px;
}
.acct-card__avatar {
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .22);
  font: 800 17px var(--sans); color: #7FEFD9; margin-bottom: 12px;
}
.acct-card b { display: block; font-size: 15.5px; }
.acct-card span { font-size: 12px; color: rgba(255, 255, 255, .6); font-family: var(--mono); }
.acct-nav { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.acct-nav__group + .acct-nav__group { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line-2); }
.acct-nav__group > b {
  display: block; font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted-2); padding: 0 8px 8px;
}
.acct-nav a {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 10px 12px; border-radius: 9px; font-size: 13.5px; font-weight: 600;
  color: var(--muted); transition: .2s;
}
.acct-nav a:hover { background: var(--bg); color: var(--brand); }
.acct-nav a.is-active { background: var(--brand); color: #fff; box-shadow: 0 6px 16px rgba(14, 74, 107, .2); }
.acct-nav a span { font: 700 11px var(--mono); opacity: .7; }
.acct-nav a.is-active span { opacity: .85; }

.acct-stat { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 22px; }
.stat {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px;
  transition: .2s; cursor: pointer;
}
.stat:hover { border-color: rgba(17, 179, 155, .45); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.stat b { display: block; font: 800 26px var(--mono); color: var(--brand); letter-spacing: -.02em; }
.stat span { font-size: 12.5px; color: var(--muted); }
.stat.is-alert b { color: var(--amber); }

.ord-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 16px; overflow: hidden; transition: .2s; }
.ord-card:hover { box-shadow: var(--shadow-sm); border-color: #D6E4EE; }
.ord-card__head {
  display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  padding: 13px 20px; background: #FBFCFD; border-bottom: 1px solid var(--line);
  font-size: 12.5px; color: var(--muted);
}
.ord-card__head b { font: 700 12.5px var(--mono); color: var(--ink); }
.ord-card__head time { font: 600 12px var(--mono); color: var(--muted-2); }
.ord-item { display: grid; grid-template-columns: 52px minmax(0, 1fr) auto auto; gap: 14px; align-items: center; padding: 13px 20px; border-bottom: 1px dashed var(--line-2); }
.ord-item:last-child { border-bottom: 0; }
.ord-item__mol { width: 52px; height: 44px; border-radius: 8px; background: var(--bg); border: 1px solid var(--line); display: grid; place-items: center; overflow: hidden; }
.ord-item__mol svg { width: 42px; height: auto; }
.ord-item__body b { display: block; font-size: 13.5px; color: var(--ink); line-height: 1.4; }
.ord-item__body small { font: 600 11px var(--mono); color: var(--muted-2); }
.ord-item__spec { font: 700 11.5px var(--mono); color: var(--muted); }
.ord-item__qty { font: 600 12px var(--mono); color: var(--muted); }
.ord-card__foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 14px 20px; border-top: 1px solid var(--line); }
.ord-card__sum { font-size: 12.5px; color: var(--muted); }
.ord-card__sum b { font: 800 18px var(--mono); color: var(--brand); margin-left: 6px; }
.ord-card__act { display: flex; gap: 9px; flex-wrap: wrap; }
.ord-card__act .btn { height: 32px; padding: 0 13px; font-size: 12.5px; border-radius: 7px; }

.badge-status { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 99px; font-size: 11.5px; font-weight: 700; }
.badge-status::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.badge-status.is-unpaid { background: #FFF4E3; color: #B0700F; }
.badge-status.is-paid { background: #E7F1F8; color: #14608B; }
.badge-status.is-shipped { background: #E4F7F3; color: #0E9C87; }
.badge-status.is-done { background: #EEF2F5; color: #5A7085; }
.badge-status.is-cancelled { background: #F4F6F8; color: #96A9B8; }

.addr-card { display: flex; gap: 14px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 11px; background: #fff; margin-bottom: 12px; }
.addr-card.is-default { border-color: rgba(17, 179, 155, .5); background: #F8FDFC; }
.addr-card__body { flex: 1; min-width: 0; }
.addr-card__body b { font-size: 14px; color: var(--ink); }
.addr-card__body b span { font: 600 12.5px var(--mono); color: var(--muted); margin-left: 10px; }
.addr-card__body p { font-size: 13px; color: var(--muted); margin-top: 5px; line-height: 1.7; }
.addr-card__tag { display: inline-block; margin-left: 8px; padding: 1px 7px; border-radius: 5px; background: var(--teal-soft); color: var(--teal-600); font-size: 10.5px; font-weight: 700; }
.addr-card__del { color: var(--muted-2); font-size: 12px; align-self: flex-start; }
.addr-card__del:hover { color: #E2574C; }

.empty-view { text-align: center; padding: 62px 20px; border: 1px dashed var(--line); border-radius: var(--radius); background: #FCFDFE; }
.empty-view svg { margin: 0 auto 14px; color: #C6D6E1; }
.empty-view h3 { font-size: 16px; margin-bottom: 6px; }
.empty-view p { font-size: 13px; color: var(--muted); margin-bottom: 18px; }

/* ---------- 支付弹窗 ---------- */
.modal {
  position: fixed; inset: 0; z-index: 9000; display: none;
  align-items: center; justify-content: center; padding: 24px;
  background: rgba(6, 24, 38, .55); backdrop-filter: blur(3px);
}
.modal.is-on { display: flex; }
.modal__box {
  width: 100%; max-width: 420px; background: #fff; border-radius: 18px; padding: 28px;
  box-shadow: 0 30px 80px rgba(6, 24, 38, .35); animation: modalIn .26s cubic-bezier(.2, .8, .3, 1);
}
@keyframes modalIn { from { opacity: 0; transform: translateY(16px) scale(.97); } }
.modal__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; margin-bottom: 6px; }
.modal__head h3 { font-size: 18px; }
.modal__head p { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.modal__close { color: var(--muted-2); padding: 4px; }
.modal__close:hover { color: var(--ink); }
.modal__amount { font: 800 30px var(--mono); color: var(--brand); text-align: center; margin: 16px 0 4px; }
.modal__sub { text-align: center; font-size: 12.5px; color: var(--muted); margin-bottom: 18px; }
.qr-wrap { display: grid; place-items: center; gap: 10px; padding: 18px; border: 1px dashed var(--line); border-radius: 12px; background: #FCFDFE; }
.qr-wrap svg { width: 156px; height: 156px; }
.qr-wrap p { font-size: 12px; color: var(--muted); }
.qr-wrap b { color: var(--teal-600); }
.modal__act { display: flex; gap: 10px; margin-top: 18px; }
.modal__act .btn { flex: 1; justify-content: center; }

/* ---------- 底部信任条（新页面） ---------- */
.mini-trust { display: flex; gap: 26px; flex-wrap: wrap; padding: 18px 0; border-top: 1px solid var(--line); margin-top: 34px; font-size: 12.5px; color: var(--muted); }
.mini-trust span { display: inline-flex; align-items: center; gap: 7px; }
.mini-trust svg { color: var(--teal-600); }

@media (max-width: 1080px) {
  .auth__grid { grid-template-columns: 1fr; gap: 26px; }
  .auth__visual { padding: 34px 30px; }
  .auth__visual h2 { font-size: 25px; }
  .auth__points { display: none; }
  .auth__foot { margin-top: 18px; }
  .cart-grid, .co-grid, .od-grid { grid-template-columns: minmax(0, 1fr); }
  .sum-card { position: static; }
  .acct { grid-template-columns: 1fr; }
  .acct__side { position: static; }
  .acct-nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px; }
  .pay-opts { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .topbar__user { gap: 12px; }
  .steps__line { width: 26px; margin: 0 8px; }
  .steps li { font-size: 12px; }
  .cart-head { display: none; }
  .cart-row {
    grid-template-columns: minmax(0, 1fr) auto; gap: 10px 12px;
    padding: 16px;
  }
  .cart-prod { grid-column: 1 / -1; }
  .cart-spec, .cart-qty, .cart-line { text-align: left; justify-content: flex-start; }
  .cart-line { grid-column: 1 / 2; text-align: right; }
  .cart-del { grid-column: 2 / 3; justify-self: end; }
  .acct-stat { grid-template-columns: repeat(2, 1fr); }
  .ord-item { grid-template-columns: 44px minmax(0, 1fr) auto; }
  .ord-item__spec { display: none; }
}

@media (max-width: 560px) {
  .auth { padding: 26px 0 46px; }
  .auth-card { padding: 26px 20px 22px; border-radius: 15px; }
  .auth-card__head h1 { font-size: 22px; }
  .code-box { width: 90px; letter-spacing: .18em; font-size: 15px; }
  .co-block { padding: 20px; }
  .co-form { grid-template-columns: 1fr; }
  .od-hero { padding: 22px; }
  .od-hero h1 { font-size: 20px; }
  .acct-nav { grid-template-columns: 1fr; }
  .cart-tools { flex-direction: column; align-items: flex-start; }
  .svc-grid, .prod-grid, .grid-3, .sidenav__group { grid-template-columns: 1fr; }
  .trustbar .wrap { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .hero__points { gap: 14px; flex-direction: column; }
  .panel { padding: 22px; }
  .pd { padding: 22px 0 6px; }
  .pd__h1 { font-size: 26px; }
  .pd__molbox { height: 220px; padding: 18px; }
  .pd__buy .btn { flex: 1; }
  .pd__total { width: 100%; margin-bottom: 4px; }
  .info-table th { width: 74px; font-size: 12px; }
  .info-table td { padding-right: 8px; font-size: 13px; }
  .spec-table thead th, .spec-table tbody td { padding-left: 12px; padding-right: 12px; }
  .pd__quick div { padding: 12px; }
  .pd__quick b { font-size: 12.5px; }
  .o-stat { font-size: 26px; }
}