:root {
  --navy: #0f357d;
  --blue: #1b4eae;
  --sky: #3a7bd5;
  --text: #1f2a37;
  --muted: #5c6064;
  --line: #e6ebf2;
  --bg: #f5f6f8;
  --card: #fff;
  --max: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.65;
}
a { color: var(--blue); text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.wrap { width: min(100% - 40px, var(--max)); margin: 0 auto; }
.top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.bar {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img {
  height: 32px;
  width: auto;
  max-width: none;
  flex-shrink: 0;
  object-fit: contain;
}
.brand .brand-shangdu { height: 34px; }
.brand-split {
  width: 1px;
  height: 22px;
  background: #d5dce6;
  flex-shrink: 0;
}
.brand small {
  display: block;
  color: var(--navy);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.2;
}
.nav {
  display: flex;
  gap: 22px;
  margin-left: auto;
  font-size: 15px;
}
.nav a { color: var(--text); }
.nav a.on, .nav a:hover { color: var(--blue); font-weight: 600; }
.subnav {
  background: #f5f7fb;
  border-top: 1px solid var(--line);
}
.subnav-inner {
  display: flex;
  align-items: center;
  gap: 8px 20px;
  min-height: 48px;
}
.subnav-title {
  flex-shrink: 0;
  color: var(--navy);
  font-weight: 700;
  font-size: 14px;
}
.subnav nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  flex: 1;
  font-size: 14px;
}
.subnav nav a { color: var(--muted); }
.subnav nav a.on,
.subnav nav a:hover { color: var(--blue); font-weight: 600; }
.subnav .cta {
  height: 34px;
  padding: 0 14px;
  font-size: 13px;
  margin-left: auto;
}
.actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.lang a { color: var(--muted); font-size: 13px; margin-left: 8px; }
.lang a.on { color: var(--navy); font-weight: 700; }
.cta {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 18px;
  border-radius: 8px;
  background: var(--blue);
  color: #fff !important;
  font-weight: 600;
  font-size: 14px;
}
.menu-btn {
  display: none;
  border: 0;
  background: transparent;
  font-size: 22px;
  cursor: pointer;
}
.hero-swipe {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 40%;
  background: #eef5fb;
  overflow: hidden;
}
.hero-track { position: absolute; inset: 0; }
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  z-index: 0;
  background: #e8f2fa;
  transition: opacity 0.45s ease;
}
.hero-slide.is-on { opacity: 1; z-index: 1; }
.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}
.theme-intro { background: #e8f2fa; }
.theme-consult { background: #e6f3fb; }
.theme-return { background: #e8f6f2; }
.hero-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 8%;
  color: #0f357d;
}
.hero-fallback strong { font-size: clamp(22px, 3vw, 36px); line-height: 1.3; }
.hero-fallback span { margin-top: 8px; color: #5c6064; font-size: 15px; }
.hero-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 14px;
  z-index: 2;
  display: flex;
  justify-content: center;
  gap: 6px;
}
.hero-dots button {
  width: 6px;
  height: 6px;
  padding: 0;
  border: 0;
  border-radius: 4px;
  background: rgba(15, 79, 134, 0.22);
  cursor: pointer;
}
.hero-dots button.on {
  width: 14px;
  background: #1a6fb5;
}
.kicker { letter-spacing: 0.12em; font-size: 13px; opacity: 0.9; margin: 0 0 10px; }
.btn-light {
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 20px;
  border-radius: 8px;
  background: #fff;
  color: var(--navy) !important;
  font-weight: 700;
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 20px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.7);
  color: #fff !important;
}
.section { padding: 72px 0; }
.section.alt { background: #fff; }
.section h2 { margin: 0 0 12px; font-size: 28px; color: var(--navy); }
.lead { color: var(--muted); max-width: 720px; margin: 0 0 32px; }
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.card img { width: 100%; height: 180px; object-fit: cover; background: #eef3f9; }
.card .body { padding: 20px 22px 24px; }
.card h3 { margin: 0 0 8px; font-size: 18px; color: var(--navy); }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.chips { display: flex; gap: 10px; flex-wrap: wrap; margin: 20px 0 0; }
.chip {
  background: #eef3fb;
  color: var(--navy);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
}
.org { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.org-card { background: #fff; border-radius: 14px; padding: 24px; border: 1px solid var(--line); }
.org-card strong { display: block; color: var(--navy); margin-bottom: 8px; }
.page-h1 { margin: 0 0 10px; font-size: 34px; color: var(--navy); line-height: 1.3; }
.crumb { font-size: 13px; color: var(--muted); margin: 0 0 14px; }
.crumb a { color: var(--muted); }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 28px 0 0; }
.fact {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
}
.fact strong { display: block; color: var(--navy); margin-bottom: 6px; font-size: 15px; }
.fact p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
  scroll-margin-top: 140px;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--navy);
  font-size: 16px;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "Q  "; color: var(--blue); }
.faq details p { margin: 10px 0 0; color: #334155; font-size: 15px; }
.hospital { padding: 22px 24px; }
.hospital h3 { margin: 0 0 6px; }
.doc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.doc-card {
  display: flex;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 16px;
}
.doc-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a6fb5, #2b8fd4);
  color: #fff;
  font-weight: 700;
  font-size: 20px;
}
.doc-card h3 { margin: 0 0 4px; font-size: 17px; color: var(--navy); }
.doc-card h3 span { font-size: 13px; font-weight: 500; color: var(--blue); margin-left: 6px; }
.doc-card .meta { margin: 0 0 6px; }
.doc-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.meta { font-size: 13px; color: var(--muted); margin: 0 0 10px; }
.notice {
  background: #fff8e8;
  border: 1px solid #f0dfb0;
  color: #6b5420;
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 14px;
}
.article h2 { font-size: 20px; margin: 28px 0 10px; }
.article p { margin: 0 0 10px; color: #334155; }
.bottom-cta {
  background: linear-gradient(135deg, var(--navy), var(--sky));
  color: #fff;
  text-align: center;
  padding: 56px 20px;
}
.bottom-cta h2 { margin: 0 0 8px; color: #fff; }
.bottom-cta p { margin: 0 0 20px; opacity: .92; }
.foot {
  background: #24272e;
  color: #9aa1ad;
  padding: 36px 0 28px;
  font-size: 13px;
}
.foot a { color: #c9d3e3; }
.foot .row { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.foot nav { display: flex; gap: 16px; flex-wrap: wrap; }
.icp { margin-top: 16px; color: #787e8a; }
.qr-mask {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(15, 24, 40, 0.55);
  padding: 20px;
}
.qr-mask.open { display: flex; }
.qr-box {
  width: min(100%, 380px);
  background: #fff;
  border-radius: 16px;
  padding: 28px 24px 22px;
  text-align: center;
  position: relative;
}
.qr-box h3 { margin: 0 0 8px; color: var(--navy); font-size: 20px; }
.qr-box p { margin: 0 0 16px; color: var(--muted); font-size: 14px; }
.qr-box img {
  width: 240px;
  height: 240px;
  margin: 0 auto 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px;
  background: #fff;
}
.chamber-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.chamber-card {
  position: relative;
  overflow: hidden;
  min-height: 168px;
  border-radius: 14px;
  color: #fff;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.chamber-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.chamber-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 40, 72, 0.18) 0%, rgba(10, 40, 72, 0.78) 100%);
}
.chamber-flag,
.chamber-copy { position: relative; z-index: 1; }
.chamber-flag { font-size: 26px; line-height: 1; }
.chamber-copy h3 { margin: 0; font-size: 16px; color: #fff; line-height: 1.4; }
.chamber-copy p { margin: 6px 0 0; font-size: 13px; color: rgba(255,255,255,.9); }
.qr-close {
  position: absolute;
  top: 10px;
  right: 12px;
  border: 0;
  background: transparent;
  font-size: 22px;
  cursor: pointer;
  color: #6b7280;
}
@media (max-width: 860px) {
  .menu-btn { display: block; }
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    left: 0; right: 0; top: 76px;
    background: #fff;
    padding: 12px 20px 20px;
    border-bottom: 1px solid var(--line);
    gap: 14px;
    z-index: 21;
  }
  .grid-3, .grid-2, .org, .doc-grid, .chamber-grid, .facts { grid-template-columns: 1fr; }
  .bar { flex-wrap: wrap; }
  .brand img { height: 24px; }
  .brand .brand-shangdu { height: 26px; }
  .subnav-inner { flex-wrap: wrap; padding: 10px 0 12px; }
  .subnav .cta { margin-left: 0; }
}
.legal-note {
  margin: 16px 0 0;
  padding: 12px 14px;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 13px;
  color: #475569;
  line-height: 1.65;
}