/* 老董陪诊 —— 面向患者与家属的阅读场景：字号偏大、对比度高、点击区域大 */

:root{
  --ink:#16211f; --ink-2:#4a5c58; --ink-3:#6f817c;
  --bg:#f8f6f1; --surface:#fff; --paper:#fcfaf6; --line:#ded9ce;
  --brand:#0d5c63; --brand-2:#0a464c; --brand-wash:#e8f2f2;
  --cta:#b8531b; --cta-2:#98420f;
  --radius:10px;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,sans-serif;
  --serif:"Songti SC","STSong","Noto Serif CJK SC","Source Han Serif SC",serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; font-family:var(--sans); background:var(--bg); color:var(--ink);
  font-size:17px; line-height:1.85; letter-spacing:.01em;
}
main{max-width:820px; margin:0 auto; padding:0 20px 64px}
section{margin:44px 0}

/* 导航 */
.site-nav{
  background:var(--brand); color:#fff; padding:12px max(20px, calc((100vw - 1120px)/2));
  display:flex; flex-wrap:wrap; align-items:center; gap:8px 20px;
}
.site-nav a{color:#fff; text-decoration:none}
.brand{font-family:var(--serif); font-size:20px; font-weight:700; letter-spacing:.06em}
.nav-links{display:flex; flex-wrap:wrap; gap:6px 18px; align-items:center; margin-left:auto; font-size:15px}
.nav-links a{opacity:.9; padding:4px 0}
.nav-links a:hover{opacity:1; text-decoration:underline}
.nav-tel{font-weight:700; letter-spacing:.02em; opacity:1 !important; border:1px solid rgba(255,255,255,.5); border-radius:999px; padding:5px 13px !important}
.nav-tel:hover{background:rgba(255,255,255,.12); text-decoration:none !important}

/* 页头 */
.hero,.page-head{padding:48px 0 26px; border-bottom:1px solid var(--line)}
.hero{position:relative}
.eyebrow{margin:0 0 10px; font-size:14px; letter-spacing:.16em; color:var(--brand); font-weight:600}
.eyebrow a{color:var(--brand)}
h1{
  font-family:var(--serif); font-size:clamp(28px,6vw,40px); line-height:1.35;
  margin:0 0 10px; letter-spacing:.02em; font-weight:700;
}
.hero-sub{margin:0 0 18px; font-family:var(--serif); font-size:clamp(21px,3vw,27px); line-height:1.55; color:var(--ink-2)}

/* 事实摘要 —— 给 AI 抓取的核心段落，也是给人看的第一段 */
.tldr{
  background:var(--brand-wash); border-left:4px solid var(--brand);
  padding:16px 18px; margin:20px 0; border-radius:0 var(--radius) var(--radius) 0;
  font-size:16px; line-height:1.9; color:var(--ink);
}
.hero .tldr{background:transparent; border:0; border-radius:0; padding:0; margin:18px 0 22px; max-width:760px; color:var(--ink-2)}
.hero-facts{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:0; border-top:1px solid var(--line); border-bottom:1px solid var(--line); margin:24px 0 22px}
.hero-facts span{display:flex; flex-direction:column; padding:12px 18px; color:var(--ink-2); font-size:14px; line-height:1.55}
.hero-facts span:first-child{padding-left:0}
.hero-facts span+span{border-left:1px solid var(--line)}
.hero-facts strong{font-family:var(--serif); color:var(--brand-2); font-size:20px; line-height:1.45}
.hero .tel-cta{max-width:520px}
.section-heading .eyebrow{margin-bottom:4px}
.process-list{list-style:none; display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; counter-reset:step; padding:0; margin:24px 0 16px}
.process-list li{counter-increment:step; display:flex; flex-direction:column; gap:7px; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:18px; line-height:1.6}
.process-list li::before{content:"0" counter(step); color:var(--cta); font-size:13px; font-weight:700; letter-spacing:.08em}
.process-list strong{font-family:var(--serif); font-size:18px; line-height:1.4}
.process-list span{font-size:14.5px; color:var(--ink-2)}
.process-note{font-size:14px; color:var(--ink-2); line-height:1.7}

h2{
  font-family:var(--serif); font-size:clamp(21px,4vw,26px); line-height:1.45;
  margin:0 0 14px; letter-spacing:.02em; font-weight:700;
}
h2 a{color:inherit}
h3{font-size:18px; margin:26px 0 8px; font-weight:600; line-height:1.5}
p{margin:0 0 14px}
a{color:var(--brand-2); text-decoration-thickness:1px; text-underline-offset:3px}

/* 拨号 CTA —— 手机上最重要的转化点，做大做显眼。
   橙底/圆角/投影挂在外层 .tel-cta 上，让二维码那一格和拨号区连成一条；
   hover 也变外层，整条一起变深，而不是只深半截。 */
.tel-cta{
  display:flex; align-items:center; margin:22px 0; overflow:hidden;
  background:var(--cta); border-radius:var(--radius); box-shadow:0 2px 0 var(--cta-2);
}
.tel-cta:hover{background:var(--cta-2); box-shadow:0 1px 0 var(--cta-2)}
.tel-btn{
  flex:1; display:flex; flex-direction:column; align-items:center; gap:2px;
  color:#fff !important; text-decoration:none; padding:15px 26px;
}
.tel-btn-label{font-size:14px; letter-spacing:.1em; opacity:.92}
.tel-btn-num{font-size:27px; font-weight:700; letter-spacing:.08em; font-variant-numeric:tabular-nums}
.tel-cta-qr{
  flex:0 0 auto; display:flex; flex-direction:column; align-items:center; gap:5px;
  padding:10px 16px 10px 0; color:#fff;
}
.tel-cta-qr img{display:block; width:88px; height:auto; background:#fff; border-radius:4px; padding:3px}
.tel-cta-qr span{font-size:12px; letter-spacing:.08em; opacity:.9}

/* 服务卡片 */
.cards{display:grid; grid-template-columns:repeat(auto-fill,minmax(238px,1fr)); gap:14px}
.card{
  display:block; background:var(--surface); border:1px solid var(--line);
  border-radius:var(--radius); padding:18px; text-decoration:none; color:inherit;
}
.card:hover{border-color:var(--brand); box-shadow:0 2px 10px rgba(13,92,99,.09)}
.card h3{margin:0 0 6px; font-family:var(--serif); font-size:19px; color:var(--brand-2)}
.card-short{margin:0 0 10px; font-size:15px; color:var(--ink-2); line-height:1.7}
.card-price{margin:0; font-size:15px; font-weight:600; color:var(--cta)}

/* 站外内容入口 —— 保持官网的沉稳基调，仅用平台色作为识别细节 */
.social-section{
  padding:24px; background:var(--surface); border:1px solid var(--line);
  border-radius:var(--radius);
}
.social-heading{display:flex; align-items:end; justify-content:space-between; gap:24px; margin-bottom:18px}
.social-heading h2{margin-bottom:0}
.social-heading .eyebrow{margin-bottom:6px}
.social-heading>p{max-width:360px; margin:0; color:var(--ink-3); font-size:14.5px; line-height:1.7}
.social-grid{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px}
.social-card{
  display:grid; grid-template-columns:auto 1fr auto; align-items:center; gap:14px;
  min-width:0; padding:17px; background:var(--paper); border:1px solid var(--line);
  border-radius:var(--radius); color:inherit; text-decoration:none;
  transition:border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.social-card:hover{transform:translateY(-2px); box-shadow:0 5px 16px rgba(22,33,31,.08)}
.social-card-xiaohongshu:hover{border-color:#c94c4c}
.social-card-zhihu:hover{border-color:#397dcc}
.social-mark{
  display:grid; place-items:center; width:42px; height:42px; border-radius:12px;
  color:#fff; font-family:var(--serif); font-size:19px; font-weight:700;
}
.social-card-xiaohongshu .social-mark{background:#b84444}
.social-card-zhihu .social-mark{background:#326fac}
.social-copy{display:flex; flex-direction:column; min-width:0; gap:2px}
.social-copy strong{color:var(--ink); font-size:17px; line-height:1.5}
.social-copy span{color:var(--ink-3); font-size:13.5px; line-height:1.55}
.social-go{color:var(--brand-2); font-size:14px; font-weight:600; white-space:nowrap}

/* 事实列表 —— 结构化承载关键信息 */
.facts{
  margin:0; background:var(--surface); border:1px solid var(--line);
  border-radius:var(--radius); overflow:hidden;
}
.facts dt{
  padding:11px 16px 3px; font-size:13.5px; letter-spacing:.1em;
  color:var(--ink-3); font-weight:600;
}
.facts dd{margin:0; padding:0 16px 12px; border-bottom:1px solid var(--line); line-height:1.8}
.facts dd:last-child{border-bottom:0}

/* 列表 */
.checklist,.notes-list,.steps{margin:0; padding-left:0; list-style:none}
.checklist li,.notes-list li{
  position:relative; padding:7px 0 7px 26px; border-bottom:1px solid var(--line); line-height:1.8;
}
.checklist li:last-child,.notes-list li:last-child{border-bottom:0}
.checklist li::before{content:"✓"; position:absolute; left:2px; color:var(--brand); font-weight:700}
.notes-list li::before{content:"!"; position:absolute; left:6px; color:var(--cta); font-weight:700}
.steps{counter-reset:s}
.steps li{
  counter-increment:s; position:relative; padding:8px 0 8px 40px; line-height:1.8;
  border-bottom:1px solid var(--line);
}
.steps li:last-child{border-bottom:0}
.steps li::before{
  content:counter(s); position:absolute; left:0; top:9px;
  width:26px; height:26px; border-radius:50%; background:var(--brand); color:#fff;
  font-size:14px; font-weight:700; display:grid; place-items:center; line-height:1;
}

.hospital-list{list-style:none; margin:0; padding:0; display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px}
.hospital-list.compact{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.hospital-list a{
  display:flex; flex-direction:column; gap:2px; background:var(--surface);
  border:1px solid var(--line); border-radius:var(--radius);
  padding:13px 16px; text-decoration:none; color:inherit; height:100%;
}
.hospital-list a:hover{border-color:var(--brand)}
.hospital-list strong{font-size:17px; color:var(--brand-2); line-height:1.5}
.hospital-list span{font-size:14px; color:var(--ink-3)}

/* 表格 —— 价格表是 AI 最容易抽取的格式之一 */
.table-wrap{overflow-x:auto; -webkit-overflow-scrolling:touch; margin:0 0 14px}
table{border-collapse:collapse; width:100%; min-width:480px; background:var(--surface); font-size:15.5px}
th,td{border:1px solid var(--line); padding:11px 13px; text-align:left; line-height:1.7; vertical-align:top}
th{background:var(--brand-wash); font-weight:600; color:var(--brand-2); white-space:nowrap}

.qa h2,.qa h3{margin-top:30px; color:var(--brand-2)}
.qa h3{font-family:var(--serif); font-size:19px}
.svc-block{padding-bottom:26px; border-bottom:1px solid var(--line)}
.meta{font-size:14.5px; color:var(--ink-3)}
.more{margin:12px 0 0; font-size:15.5px; font-weight:600}
.inline-links{line-height:2.4; font-size:15.5px}
.note{font-size:14.5px; color:var(--ink-3); line-height:1.8}
.rules{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:22px}
.rules .facts{border:0; background:transparent}

/* 联系区 */
.contact{
  background:var(--brand); color:#fff; border-radius:var(--radius);
  padding:26px 22px; margin:48px 0 0;
}
.contact h2{color:#fff; margin-bottom:8px}
.contact-lede{font-size:16px; opacity:.92; margin-bottom:4px}
.contact .facts{background:rgba(255,255,255,.07); border-color:rgba(255,255,255,.18)}
.contact .facts dt{color:rgba(255,255,255,.62)}
.contact .facts dd{color:#fff; border-color:rgba(255,255,255,.14)}
.contact .note{color:rgba(255,255,255,.78); margin-top:14px}

/* 页脚 */
.site-footer{
  background:#16211f; color:rgba(255,255,255,.66); padding:32px 20px 40px;
  text-align:center; font-size:14.5px; line-height:1.9;
}
.site-footer a{color:rgba(255,255,255,.9)}
.mobile-contact{display:none}
.footer-name{font-family:var(--serif); font-size:17px; color:#fff; margin-bottom:8px}
.disclaimer{max-width:620px; margin:14px auto; font-size:13.5px; color:rgba(255,255,255,.5)}
.footer-links{margin-top:14px}
.icp,.updated{font-size:13px; color:rgba(255,255,255,.42); margin:6px 0 0}
.guide-date{font-size:13px; color:var(--ink-3); margin:0 0 8px}
.beian-icon{vertical-align:-3px; margin-right:5px}

@media (max-width:600px){
  body{font-size:16.5px}
  main{padding:0 16px 88px}
  .site-nav{padding:10px 16px; gap:4px}
  .nav-links{width:100%; margin-left:0; flex-wrap:nowrap; overflow-x:auto; white-space:nowrap; gap:16px; font-size:14px; scrollbar-width:none}
  .nav-links::-webkit-scrollbar{display:none}
  .nav-tel{display:none}
  .brand{width:100%}
  .hero,.page-head{padding-top:28px}
  .hero-facts{grid-template-columns:repeat(3,minmax(0,1fr))}
  .hero-facts span{padding:12px 8px; font-size:12px}
  .hero-facts strong{font-size:16px}
  .process-list{grid-template-columns:1fr; gap:8px}
  .process-list li{padding:12px 16px; gap:2px}
  .cards{grid-template-columns:1fr}
  .social-section{padding:20px 16px}
  .social-heading{display:block}
  .social-heading>p{margin-top:8px}
  .social-grid{grid-template-columns:1fr}
  .hospital-list,.hospital-list.compact{grid-template-columns:1fr}
  .tel-btn-num{font-size:24px}
  .tel-btn{padding:13px 12px}
  .tel-cta-qr{padding:8px 10px 8px 0; gap:3px}
  .tel-cta-qr img{width:64px; padding:2px}
  .tel-cta-qr span{font-size:11px}
  .contact,.rules{padding:20px 16px}
  .mobile-contact{position:fixed; z-index:20; left:0; right:0; bottom:0; display:flex; align-items:center; justify-content:space-between; gap:12px; padding:10px 16px max(10px, env(safe-area-inset-bottom)); background:var(--surface); border-top:1px solid var(--line); box-shadow:0 -4px 20px rgba(22,33,31,.1); font-size:12px; color:var(--ink-2)}
  .mobile-contact a{flex:0 0 auto; display:block; border-radius:7px; background:var(--cta); color:#fff; text-decoration:none; font-size:15px; font-weight:700; padding:10px 14px; line-height:1.35}
}

@media print{
  .site-nav,.tel-cta,.mobile-contact{display:none}
  body{background:#fff; font-size:12pt}
}