/* ========================================================================
   江苏禾健科技 · 官网样式
   设计令牌取自 Ardot 设计稿（深靛蓝 / 青绿 / 金）
   ===================================================================== */

:root {
  --navy-900: #0a2c55;
  --navy-800: #071f3b;
  --navy-700: #12365f;
  --navy: #0e3a6f;
  --teal: #17876f;
  --gold: #d9a34a;

  --ink: #2c3e58;
  --muted: #5c6b80;
  --muted-2: #7c8ca3;
  --line: #e3e8f0;

  --bg: #ffffff;
  --bg-soft: #f4f7fb;
  --bg-mint: #edf4f3;
  --bg-mint-2: #e6f4f2;

  --radius: 4px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 3px rgba(14, 58, 111, .06);
  --shadow: 0 8px 28px rgba(14, 58, 111, .10);
  --shadow-lg: 0 18px 48px rgba(10, 44, 85, .16);

  --font-serif: "Source Han Serif CN", "Noto Serif SC", "Songti SC", "Times New Roman", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

  --container: 1200px;
  --header-h: 76px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--navy);
  margin: 0;
  line-height: 1.35;
}

p { margin: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------------- 顶部工具条 ---------------- */
.topbar {
  background: var(--navy-900);
  color: #9bb4d1;
  font-size: 12px;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 38px;
}
.topbar .lang {
  font-weight: 500;
  letter-spacing: .04em;
}

/* ---------------- 导航 ---------------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s ease;
}
.header.is-stuck { box-shadow: 0 4px 18px rgba(14, 58, 111, .10); }
.header .container {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand img { width: 44px; height: 44px; object-fit: contain; }
.brand-text strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 19px;
  color: var(--navy);
  letter-spacing: .02em;
  line-height: 1.2;
}
.brand-text span {
  display: block;
  font-size: 10.5px;
  letter-spacing: .18em;
  color: var(--muted-2);
  text-transform: uppercase;
}

.nav { display: flex; gap: 30px; margin-left: auto; }
.nav a {
  position: relative;
  font-size: 15px;
  color: var(--ink);
  padding: 6px 0;
  transition: color .2s ease;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--teal);
  transform: scaleX(0);
  transition: transform .25s ease;
}
.nav a:hover { color: var(--navy); }
.nav a:hover::after,
.nav a.is-active::after { transform: scaleX(1); }
.nav a.is-active { color: var(--navy); font-weight: 500; }

.header-cta { flex: none; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all .22s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-900); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-ghost { background: #fff; color: var(--navy); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--navy); color: var(--navy); }
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: #c8923c; transform: translateY(-1px); }
.btn-light { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.35); }
.btn-light:hover { background: rgba(255,255,255,.2); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--teal);
}
.link-arrow span { transition: transform .22s ease; }
.link-arrow:hover span { transform: translateX(4px); }

/* ---------------- 区块通用 ---------------- */
.section { padding: 84px 0; }
.section-soft { background: var(--bg-soft); }
.section-mint { background: var(--bg-mint); }
.section-dark { background: var(--navy-900); color: #fff; }
.section-dark h2, .section-dark h3 { color: #fff; }

.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head.is-center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--teal);
  margin-bottom: 14px;
}
.section-dark .eyebrow { color: var(--gold); }
.section-title { font-size: 34px; }
.section-desc { margin-top: 16px; font-size: 15px; color: var(--muted); }
.section-dark .section-desc { color: #9bb4d1; }

.section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
}
.section-head-row .section-head { margin-bottom: 0; }

/* ---------------- 首屏 Hero ---------------- */
.hero { padding: 72px 0 84px; background: #fff; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 64px;
  align-items: center;
}
.tag {
  display: inline-block;
  padding: 8px 16px;
  background: var(--bg-mint-2);
  color: var(--teal);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
}
.hero h1 {
  margin-top: 24px;
  font-size: 50px;
  line-height: 1.28;
  letter-spacing: .01em;
}
.hero-lead {
  margin-top: 22px;
  font-size: 15px;
  color: var(--muted);
  max-width: 560px;
}
.hero-actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero-note { margin-top: 20px; font-size: 13px; color: var(--muted-2); }

.hero-media { position: relative; }
.hero-media > img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.hero-stat-card {
  position: absolute;
  left: -32px;
  bottom: -36px;
  width: 320px;
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  box-shadow: var(--shadow-lg);
}
.hero-stat-card b {
  display: block;
  font-family: var(--font-serif);
  font-size: 24px;
  line-height: 1.2;
}
.hero-stat-card small { font-size: 11.5px; color: #9bb4d1; line-height: 1.4; }

/* ---------------- 数据条 ---------------- */
.stats-bar { background: var(--bg-soft); padding: 40px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; padding: 8px 12px; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat b {
  display: block;
  font-family: var(--font-serif);
  font-size: 30px;
  color: var(--navy);
}
.stat small { font-size: 13px; color: var(--muted); }

/* ---------------- 卡片网格 ---------------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #cfdced; }
.card-img { height: 180px; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.card:hover .card-img img { transform: scale(1.05); }
.card-body { padding: 26px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.card-body h3 { font-size: 19px; }
.card-body p { margin-top: 12px; font-size: 13px; color: var(--muted); flex: 1; }
.card-body .link-arrow { margin-top: 20px; }

/* 优势卡（深色） */
.adv-card {
  background: var(--navy-700);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  transition: background .25s ease, transform .25s ease;
}
.adv-card:hover { background: #17406e; transform: translateY(-4px); }
.adv-card .num {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--gold);
  display: block;
}
.adv-card h3 { margin-top: 12px; font-size: 18px; color: #fff; }
.adv-card p { margin-top: 10px; font-size: 13px; color: #a9bed6; }

/* 行业卡 */
.industry-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
  transition: all .25s ease;
}
.industry-card:hover { border-color: var(--teal); transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.industry-card .ico {
  width: 48px; height: 48px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--bg-mint-2);
  display: flex; align-items: center; justify-content: center;
  color: var(--teal);
}
.industry-card h3 { font-size: 17px; }
.industry-card p { margin-top: 8px; font-size: 12.5px; color: var(--muted); }

/* 数据卡 */
.metric-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  text-align: center;
}
.metric-card b {
  display: block;
  font-family: var(--font-serif);
  font-size: 52px;
  line-height: 1.1;
  color: var(--teal);
}
.metric-card h3 { margin-top: 14px; font-size: 18px; }
.metric-card p { margin-top: 10px; font-size: 13px; color: var(--muted); }

/* ---------------- 案例卡 ---------------- */
.case-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.case-card .card-img { height: 190px; }
.case-card .card-body { padding: 24px; }
.case-card h3 { font-size: 20px; }
.case-tag { margin-top: 10px; font-size: 12.5px; font-weight: 500; color: var(--teal); }
.case-card p { margin-top: 12px; font-size: 13px; color: var(--muted); flex: 1; }
.case-result {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 15px;
  color: var(--navy);
}

.case-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
  transition: all .25s ease;
}
.case-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.case-item h3 { font-size: 20px; }
.case-item p { margin-top: 12px; font-size: 13px; color: var(--muted); flex: 1; }

/* ---------------- 证书 ---------------- */
.cert-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
  transition: all .25s ease;
}
.cert-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.cert-card .thumb {
  height: 200px;
  background: var(--bg-soft);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  cursor: zoom-in;
}
.cert-card .thumb img { max-height: 100%; width: auto; object-fit: contain; }
.cert-card h3 { margin-top: 18px; font-size: 19px; }

/* ---------------- CTA ---------------- */
.cta-band { background: var(--navy); color: #fff; padding: 76px 0; text-align: center; }
.cta-band h2 { font-size: 36px; color: #fff; }
.cta-band p { margin: 18px auto 0; max-width: 620px; color: #9bb4d1; }
.cta-band .btn { margin-top: 32px; }

/* ---------------- 页面标题带 ---------------- */
.page-hero {
  background: var(--navy-900);
  color: #fff;
  padding: 56px 0 60px;
}
.page-hero h1 { font-size: 36px; color: #fff; }
.crumbs { margin-top: 10px; font-size: 13px; color: #8fade1; }
.crumbs a:hover { color: #fff; }

/* ---------------- 时间轴 ---------------- */
.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 46px;
  height: 2px;
  background: linear-gradient(90deg, var(--teal), rgba(23,135,111,.15));
}
.tl-item { position: relative; background: #fff; border-radius: var(--radius-lg); padding: 24px 22px; box-shadow: var(--shadow-sm); }
.tl-item .dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--teal);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px rgba(23,135,111,.25);
  position: absolute; top: 40px; left: 22px;
}
.tl-item .year { font-family: var(--font-serif); font-size: 26px; color: var(--navy); margin-left: 20px; }
.tl-item h3 { margin-top: 14px; font-size: 16px; }
.tl-item p { margin-top: 8px; font-size: 12.5px; color: var(--muted); }

/* ---------------- 组织架构 ---------------- */
.org-card { background: var(--bg-soft); border-radius: var(--radius-lg); padding: 30px 28px; height: 100%; }
.org-card h3 { font-size: 18px; }
.org-card p { margin-top: 12px; font-size: 12.5px; color: var(--muted); white-space: pre-line; }

/* ---------------- 业务详情（左右交替） ---------------- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 56px 0;
}
.feature-row + .feature-row { border-top: 1px solid var(--line); }
.feature-row:first-child { padding-top: 0; }
.feature-row .feature-img { order: 2; }
.feature-row.is-reverse .feature-img { order: 0; }
.feature-img img { width: 100%; height: 340px; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.feature-no { font-size: 13px; font-weight: 500; color: var(--teal); letter-spacing: .04em; }
.feature-row h2 { margin-top: 14px; font-size: 28px; line-height: 1.4; }
.feature-row .lead { margin-top: 16px; font-size: 14.5px; color: var(--muted); }
.points { margin-top: 22px; display: grid; gap: 10px; }
.points li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--ink);
}
.points li::before {
  content: "";
  position: absolute;
  left: 0; top: 11px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

/* ---------------- 合作伙伴 ---------------- */
.partners { text-align: center; }
.partners .row { font-size: 17px; color: var(--ink); line-height: 2.2; }
.partners .hint { margin-top: 18px; font-size: 12px; color: var(--muted-2); }

/* ---------------- 联系 & 表单 ---------------- */
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; align-items: start; }
.info-list { display: grid; gap: 20px; }
.info-item {
  display: flex;
  gap: 16px;
  padding: 22px 24px;
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
}
.info-item .ico {
  flex: none;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.info-item strong { display: block; font-size: 14px; color: var(--navy); }
.info-item span { display: block; margin-top: 4px; font-size: 14px; color: var(--muted); }

.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 38px 36px;
  box-shadow: var(--shadow-sm);
}
.form-card h2 { font-size: 22px; }
.form-card .sub { margin-top: 10px; font-size: 13px; color: var(--muted); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 22px; }
.field { display: flex; flex-direction: column; margin-top: 22px; }
.field label { font-size: 12.5px; color: var(--muted); margin-bottom: 8px; }
.field input, .field select, .field textarea {
  font-family: inherit;
  font-size: 14px;
  color: var(--ink);
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(14,58,111,.08);
}
.field textarea { resize: vertical; min-height: 110px; }
.field .err { margin-top: 6px; font-size: 12px; color: #c0392b; display: none; }
.field.has-error input { border-color: #c0392b; }
.form-submit { margin-top: 26px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.form-submit small { font-size: 12px; color: var(--muted-2); }
.form-ok {
  margin-top: 20px;
  padding: 14px 18px;
  background: var(--bg-mint-2);
  border-left: 3px solid var(--teal);
  border-radius: var(--radius);
  font-size: 13.5px;
  color: #145e4f;
  display: none;
}
.form-ok.is-error {
  background: #fdecec;
  border-left-color: #d33;
  color: #b42318;
}

/* ---------------- 页脚 ---------------- */
.footer { background: var(--navy-800); color: #a9bed6; padding: 64px 0 0; }
.footer-main {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { width: 36px; height: 36px; object-fit: contain; }
.footer-brand strong { font-family: var(--font-serif); font-size: 21px; color: #fff; }
.footer .about { margin-top: 18px; font-size: 13px; line-height: 1.9; }
.footer .addr { margin-top: 14px; font-size: 13px; white-space: pre-line; }
.footer h4 { font-size: 15px; color: #fff; margin-bottom: 16px; }
.footer li { font-size: 13px; line-height: 2.1; }
.footer li a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 12.5px;
  color: #6d829b;
  flex-wrap: wrap;
}

/* ---------------- 动画 ---------------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------------- 灯箱 ---------------- */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(7,31,59,.92);
  display: none;
  align-items: center; justify-content: center;
  z-index: 200;
  padding: 40px;
  cursor: zoom-out;
}
.lightbox.is-open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 88vh; border-radius: 4px; background: #fff; }

/* ---------------- 移动端菜单 ---------------- */
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  cursor: pointer;
  padding: 0;
}
.nav-toggle i {
  display: block;
  width: 18px; height: 2px;
  background: var(--navy);
  margin: 4px auto;
  transition: transform .25s ease, opacity .2s ease;
}
body.nav-open .nav-toggle i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
body.nav-open .nav-toggle i:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ========================================================================
   响应式
   ===================================================================== */
@media (max-width: 1100px) {
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand-col { grid-column: 1 / -1; }
}

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero h1 { font-size: 38px; }
  .hero-media > img { height: 340px; }
  .hero-stat-card { position: static; width: 100%; margin-top: 20px; }
  .feature-row { grid-template-columns: 1fr; gap: 28px; padding: 40px 0; }
  .feature-row .feature-img, .feature-row.is-reverse .feature-img { order: 0; }
  .feature-img img { height: 260px; }
  .contact-grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .timeline::before { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 20px; }
  .stat:nth-child(3) { border-left: 0; }
  .section-title { font-size: 28px; }
  .section-head-row { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; margin-left: auto; }
  .header-cta { display: none; }
  .header .container { gap: 16px; }
  .nav {
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    margin: 0;
    padding: 0 32px;
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease, padding .3s ease;
    box-shadow: var(--shadow);
  }
  body.nav-open .nav { max-height: 400px; padding: 8px 32px 20px; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav a:last-child { border-bottom: 0; }
  .section { padding: 56px 0; }
  .container { padding: 0 20px; }
}

@media (max-width: 560px) {
  .grid-4, .grid-3, .grid-2, .grid-5 { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat + .stat { border-left: 0; }
  .hero h1 { font-size: 30px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .form-row { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .cta-band h2 { font-size: 26px; }
  .page-hero h1 { font-size: 28px; }
  .metric-card b { font-size: 42px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* 备案信息链接 */
.footer-bottom .beian a { color: inherit; text-decoration: none; transition: color .2s; }
.footer-bottom .beian a:hover { color: #fff; text-decoration: underline; }
.footer-bottom .beian .ga-beian svg { vertical-align: -2px; margin-right: 4px; }