:root {
  --primary: #0d9488;
  --primary-dark: #0f766e;
  --primary-light: #ccfbf1;
  --accent: #2563eb;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e5e7eb;
  --bg: #f8fafc;
  --card: #ffffff;
  --danger: #ef4444;
  --warn: #f59e0b;
  --ok: #10b981;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(15, 23, 42, .08);
  --maxw: 1140px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}
a { color: var(--primary-dark); text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 12px 22px; border-radius: 999px; border: 0; cursor: pointer;
  font-size: 15px; font-weight: 600; transition: .2s; text-align: center;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: transparent; color: var(--primary-dark); border: 1.5px solid var(--primary); }
.btn-outline:hover { background: var(--primary-light); }
.btn-ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 7px 14px; font-size: 13px; }
.muted { color: var(--muted); }
.center { text-align: center; }
.price { color: var(--danger); font-weight: 700; }

/* ---------- Top nav ---------- */
.topbar { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 50; }
.topbar .row { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--ink); }
.brand .logo { width: 34px; height: 34px; border-radius: 9px; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; display: grid; place-items: center; font-size: 16px; }
.nav-links { display: flex; gap: 6px; align-items: center; }
.nav-links a { padding: 8px 12px; border-radius: 8px; color: var(--ink); font-weight: 500; font-size: 15px; }
.nav-links a:hover, .nav-links a.active { color: var(--primary-dark); background: var(--primary-light); }
.nav-toggle { display: none; background: none; border: 0; font-size: 26px; cursor: pointer; color: var(--ink); }

/* ---------- Hero ---------- */
.hero { background: linear-gradient(135deg, #0f766e 0%, #0d9488 45%, #2563eb 100%); color: #fff; padding: 54px 0 64px; text-align: center; }
.hero h1 { font-size: 30px; margin: 0 0 12px; line-height: 1.3; }
.hero p { font-size: 16px; opacity: .92; max-width: 640px; margin: 0 auto 24px; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.hero .btn-light { background: #fff; color: var(--primary-dark); }
.hero .btn-line { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.7); }
.hero-stats { display: flex; gap: 28px; margin-top: 34px; flex-wrap: wrap; }
.hero-stats div { font-size: 14px; opacity: .9; }
.hero-stats b { display: block; font-size: 26px; font-weight: 800; }

/* ---------- Sections ---------- */
section.block { padding: 46px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 22px; gap: 12px; }
.section-head h2 { font-size: 23px; margin: 0; }
.section-head .sub { color: var(--muted); font-size: 14px; margin-top: 4px; }

/* ---------- Cards grid ---------- */
.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: .2s; }
.card:hover { transform: translateY(-3px); }
.h-card .h-img { height: 104px; background: linear-gradient(135deg, var(--primary-light), #dbeafe); display: grid; place-items: center; font-size: 32px; }
.h-card .h-img img { max-height: 76px; width: auto; display: block; }
.h-card .h-body { padding: 12px; }
.h-card h3 { font-size: 15px; margin: 0 0 4px; }
.h-card .loc { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.h-card .h-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; }
.tag { display: inline-block; background: var(--primary-light); color: var(--primary-dark); font-size: 12px; padding: 2px 9px; border-radius: 999px; font-weight: 600; }

.news-card { padding: 0; }
.news-card .n-body { padding: 14px 16px; }
.news-card .n-cat { font-size: 12px; color: var(--accent); font-weight: 600; }
.news-card h3 { font-size: 16px; margin: 6px 0; }
.news-card .n-sum { color: var(--muted); font-size: 13.5px; }
.news-card .n-img { height: 120px; background: linear-gradient(135deg, #dbeafe, var(--primary-light)); display: grid; place-items: center; font-size: 34px; }
.news-card .n-img img { max-height: 96px; width: auto; display: block; }

.feature { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature .f { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; text-align: center; }
.feature .f .ic { font-size: 30px; }
.feature .f h4 { margin: 10px 0 4px; font-size: 16px; }
.feature .f p { margin: 0; color: var(--muted); font-size: 13.5px; }

/* ---------- Hospital detail ---------- */
.detail-hero { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; padding: 34px 0; }
.detail-hero h1 { margin: 0 0 6px; font-size: 26px; }
.detail-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 22px; align-items: start; }
.info-list { list-style: none; padding: 0; margin: 0; }
.info-list li { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px dashed var(--line); }
.info-list li b { width: 84px; color: var(--muted); font-weight: 600; flex: none; }
.booking-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); position: sticky; top: 76px; }
.booking-box .price-big { font-size: 28px; color: var(--danger); font-weight: 800; }
.booking-box .price-big small { font-size: 14px; color: var(--muted); font-weight: 500; }

/* ---------- Forms ---------- */
.form-wrap { max-width: 720px; margin: 0 auto; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 14px; }
.field label .req { color: var(--danger); }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 10px; font-size: 16px; font-family: inherit; background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.field textarea { resize: vertical; min-height: 90px; }
.field .hint { color: var(--muted); font-size: 12.5px; margin-top: 4px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.error-box { background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c; padding: 10px 14px; border-radius: 10px; margin-bottom: 16px; font-size: 14px; }
.alert { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; font-size: 14px; }
.alert-ok { background: #ecfdf5; border: 1px solid #a7f3d0; color: #047857; }
.alert-warn { background: #fffbeb; border: 1px solid #fde68a; color: #b45309; }

/* ---------- Article ---------- */
.article-body { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.article-body h1 { font-size: 24px; margin: 0 0 10px; }
.article-meta { color: var(--muted); font-size: 13px; margin-bottom: 18px; }
.article-body p { white-space: pre-wrap; margin: 0 0 14px; }

/* ---------- Footer ---------- */
footer.site { background: #0f172a; color: #cbd5e1; padding: 38px 0 26px; margin-top: 30px; }
footer.site .f-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px; }
footer.site h4 { color: #fff; font-size: 15px; margin: 0 0 12px; }
footer.site a { color: #cbd5e1; display: block; padding: 3px 0; font-size: 14px; }
footer.site a:hover { color: #fff; }
footer.site .copy { border-top: 1px solid #1e293b; margin-top: 26px; padding-top: 16px; font-size: 13px; color: #94a3b8; text-align: center; }

/* ---------- Admin ---------- */
.admin-layout { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.admin-side { background: #0f172a; color: #cbd5e1; padding: 18px 14px; }
.admin-side .a-brand { color: #fff; font-weight: 800; font-size: 17px; padding: 6px 8px 16px; display: flex; align-items: center; gap: 8px; }
.admin-side a { display: flex; align-items: center; gap: 9px; color: #cbd5e1; padding: 10px 12px; border-radius: 9px; font-size: 14.5px; margin-bottom: 3px; }
.admin-side a:hover, .admin-side a.active { background: var(--primary); color: #fff; }
.admin-main { padding: 22px; overflow: auto; }
.admin-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.admin-top h1 { font-size: 22px; margin: 0; }
.stat-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 24px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.stat .n { font-size: 28px; font-weight: 800; color: var(--primary-dark); }
.stat .l { color: var(--muted); font-size: 13px; }

table.data { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
table.data th, table.data td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); font-size: 14px; }
table.data th { background: #f1f5f9; color: #475569; font-weight: 600; }
table.data tr:last-child td { border-bottom: 0; }
table.data .actions { display: flex; gap: 6px; flex-wrap: wrap; }
.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.pill-pending { background: #fef3c7; color: #b45309; }
.pill-contacted { background: #dbeafe; color: #1d4ed8; }
.pill-done { background: #d1fae5; color: #047857; }
.pill-cancelled { background: #f3f4f6; color: #6b7280; }

.login-wrap { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(135deg, #0f766e, #2563eb); padding: 20px; }
.login-card { background: #fff; border-radius: 18px; padding: 34px; width: 100%; max-width: 380px; box-shadow: var(--shadow); }
.login-card h2 { margin: 0 0 4px; }
.login-card .sub { color: var(--muted); margin-bottom: 22px; font-size: 14px; }

.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-3, .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .feature { grid-template-columns: repeat(2, 1fr); }
  .detail-grid { grid-template-columns: 1fr; }
  .booking-box { position: static; }
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
  .admin-layout { grid-template-columns: 1fr; }
  .admin-side { display: flex; gap: 4px; overflow-x: auto; padding: 10px; }
  .admin-side .a-brand { display: none; }
  .admin-side a { margin-bottom: 0; white-space: nowrap; }
  footer.site .f-grid { grid-template-columns: 1fr 1fr; }
  /* 汉堡菜单：≤900px 折叠（平板/横屏手机不再拥挤） */
  .nav-links { display: none; position: absolute; top: 60px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 8px 16px 14px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); max-height: calc(100vh - 60px); overflow-y: auto; z-index: 60; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px; font-size: 15px; }
  .nav-toggle { display: block; }
}
@media (max-width: 640px) {
  .hero { padding: 40px 0 48px; }
  .hero h1 { font-size: 25px; }
  .hero-stats { gap: 18px; }
  .hero-stats b { font-size: 22px; }
  .grid-3, .grid-2, .grid-4, .grid-5, .feature { grid-template-columns: 1fr; }
  .row2 { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .stat-cards { grid-template-columns: 1fr 1fr; }
  footer.site .f-grid { grid-template-columns: 1fr; }
  .form-card { padding: 18px; }
  table.data { display: block; overflow-x: auto; white-space: nowrap; }
  .admin-main { padding: 14px; }
}

/* ---------- 平板/手机（≤768px） ---------- */
@media (max-width: 768px) {
  .detail-hero { padding: 26px 0; }
  .detail-hero h1 { font-size: 22px; }
  .detail-hero div { font-size: 13px; }
  .info-list li { padding: 10px 0; }
  .info-list li b { width: 70px; }
  .article-body { padding: 20px; }
  .article-body h1 { font-size: 21px; }
  table.data { display: block; overflow-x: auto; white-space: nowrap; }
}

/* ---------- 超小屏（≤480px） ---------- */
@media (max-width: 480px) {
  .container { padding: 0 12px; }
  section.block { padding: 34px 0; }
  .hero { padding: 32px 0 38px; }
  .hero h1 { font-size: 22px; }
  .hero p { font-size: 14px; }
  .hero .cta { flex-direction: column; }
  .hero .cta .btn { width: 100%; }
  .section-head h2 { font-size: 20px; }
  .brand { font-size: 16px; }
  .brand .logo { width: 30px; height: 30px; font-size: 14px; }
  .h-card h3 { font-size: 14px; }
  .h-card .h-body { padding: 10px; }
  .booking-box { padding: 16px; }
  .booking-box .price-big { font-size: 24px; }
  .form-card { padding: 16px; }
  .form-wrap { padding: 0; }
  .stat-cards { grid-template-columns: 1fr 1fr; }
  .grid-3, .grid-2, .grid-4, .grid-5, .feature { gap: 12px; }
  .btn-group { flex-direction: column; }
  .btn-group .btn { width: 100%; }
}

/* ---------- Pagination ---------- */
.pager { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 32px; }
.p-btn { display: inline-flex; align-items: center; justify-content: center; min-width: 38px; height: 38px; padding: 0 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--ink); font-size: 14px; text-decoration: none; transition: .15s; }
.p-btn:hover { border-color: var(--primary); color: var(--primary); }
.p-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.p-btn.disabled { opacity: .45; pointer-events: none; }
.p-btn.dots { border: none; background: none; pointer-events: none; min-width: 24px; }

/* ---------- Region filter bar ---------- */
.region-bar { display: flex; flex-wrap: wrap; gap: 10px; margin: 4px 0 22px; }
.region-chip { display: inline-flex; align-items: center; height: 34px; padding: 0 16px; border: 1px solid var(--line); border-radius: 999px; background: var(--card); color: var(--ink); font-size: 14px; text-decoration: none; transition: .15s; white-space: nowrap; }
.region-chip:hover { border-color: var(--primary); color: var(--primary); }
.region-chip.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.empty-tip { text-align: center; color: var(--muted); padding: 48px 0; font-size: 15px; }