/* medical.精密注塑.中国 — med- 独立骨架样式（原创洁净科技风） */

:root{
  --bg:#F4F8FB;
  --surface:#FFFFFF;
  --ink:#0B2733;
  --ink-2:#3A5566;
  --ink-3:#6B8294;
  --accent:#1499B3;
  --accent-2:#2FB87A;
  --line:#DCE6ED;
  --line-strong:#C3D3DE;
  --gold:#B89A4E;
  --radius:14px;
  --shadow:0 10px 30px rgba(11,39,51,.08);
  --maxw:1180px;
  --header-h:64px;
  --h2-inset:0px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;height:auto;}
h1,h2,h3,h4{line-height:1.35;color:var(--ink);font-weight:700;}
h2{font-size:1.5rem;margin:2.2rem 0 1rem;border-left:4px solid var(--accent);padding-left:.7rem;}
h3{font-size:1.2rem;margin:1.6rem 0 .8rem;color:var(--ink);}

/* ---------- Header ---------- */
.med-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
}
.med-header-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 20px;
  height:var(--header-h);display:flex;align-items:center;gap:18px;
}
.med-logo{font-weight:800;font-size:1.05rem;color:var(--ink);letter-spacing:.2px;white-space:nowrap;}
.med-nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;font-size:1.1rem;width:42px;height:38px;cursor:pointer;color:var(--ink);}
.med-nav-list{display:flex;gap:4px;list-style:none;margin:0;padding:0;align-items:center;}
.med-nav-item{position:relative;}
.med-nav-item>a{
  display:block;padding:10px 14px;border-radius:8px;color:var(--ink-2);font-weight:600;font-size:.95rem;
}
.med-nav-item>a:hover{background:var(--bg);color:var(--ink);text-decoration:none;}
.med-nav-has-sub>.med-nav-sub{
  position:absolute;top:100%;left:0;min-width:180px;
  background:var(--surface);border:1px solid var(--line);border-radius:10px;
  box-shadow:var(--shadow);padding:8px;display:none;flex-direction:column;gap:2px;
}
.med-nav-has-sub:hover>.med-nav-sub,.med-nav-has-sub:focus-within>.med-nav-sub{display:flex;}
.med-nav-sub a{padding:8px 12px;border-radius:8px;color:var(--ink-2);font-size:.9rem;}
.med-nav-sub a:hover{background:var(--bg);color:var(--ink);}

/* ---------- Layout wrappers ---------- */
.med-detail-wrap,.med-list-wrap,.med-page-wrap,.med-home{
  max-width:var(--maxw);margin:0 auto;padding:24px 20px 40px;
}
.med-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:36px;align-items:start;}
.med-list-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:32px;align-items:start;}

.med-content-main{min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px 34px;box-shadow:var(--shadow);}
.med-page-main{min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:34px 38px;box-shadow:var(--shadow);}
.med-cat-content{min-width:0;}

/* ---------- Breadcrumb ---------- */
.med-breadcrumb{margin:0 0 18px;font-size:.85rem;color:var(--ink-3);}
.med-breadcrumb-list{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;}
.med-breadcrumb-item{display:inline-flex;align-items:center;}
.med-breadcrumb-item:not(:last-child)::after{content:"›";margin:0 6px;color:var(--line-strong);}
.med-breadcrumb-item a{color:var(--ink-3);}
.med-breadcrumb-item span{color:var(--ink);font-weight:600;}

/* ---------- TOC aside ---------- */
.med-toc-aside{position:sticky;top:calc(var(--header-h) + 16px);max-height:calc(100vh - var(--header-h) - 32px);overflow:auto;}
.med-cat-side{position:sticky;top:calc(var(--header-h) + 16px);}

/* details panels */
.med-toc-panel,.med-cat-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:6px 14px;box-shadow:var(--shadow);
}
.med-toc-panel>summary,.med-cat-panel>summary{
  cursor:pointer;font-weight:700;color:var(--ink);padding:10px 4px;list-style:none;display:flex;align-items:center;justify-content:space-between;
}
.med-toc-panel>summary::-webkit-details-marker{display:none;}
.med-toc-panel>summary::after,.med-cat-panel>summary::after{content:"▾";transition:transform .2s;color:var(--accent);}
.med-toc-panel:not([open])>summary::after,.med-cat-panel:not([open])>summary::after{transform:rotate(-90deg);}
.med-toc-list{list-style:none;margin:6px 0 12px;padding:0;}
.med-toc-list li{padding:5px 0;border-top:1px dashed var(--line);}
.med-toc-list a{color:var(--ink-2);font-size:.9rem;}
.med-toc-list a:hover{color:var(--accent);}

/* category list (left nav) */
.category-list{list-style:none;margin:8px 0 12px;padding:0;}
.category-list li{padding:7px 0;border-top:1px dashed var(--line);}
.category-list a{color:var(--ink-2);font-weight:600;font-size:.92rem;display:block;}
.category-list a:hover,.category-list a.active{color:var(--accent);text-decoration:none;}
.med-cat-panel-title,.med-toc-panel-title{font-weight:700;}

/* ---------- Content typography ---------- */
.med-content-h1{font-size:1.9rem;margin:0 0 14px;line-height:1.3;}
.med-content-main p,.med-page-main p{margin:0 0 1rem;color:var(--ink);}
.med-content-main ul,.med-page-main ul,.med-content-main ol,.med-page-main ol{margin:0 0 1rem;padding-left:1.4rem;}
.med-content-main li,.med-page-main li{margin:.3rem 0;}
.med-content-main blockquote,.med-page-main blockquote{
  margin:1.2rem 0;padding:14px 18px;background:#EAF6F9;border-left:4px solid var(--accent-2);border-radius:10px;color:var(--ink-2);
}
.med-summary-box{background:#EAF6F9;border:1px solid #CFE9EF;border-radius:12px;padding:16px 18px;margin:0 0 20px;color:var(--ink);}
.med-keywords{font-size:.86rem;color:var(--ink-3);margin:0 0 16px;}
.med-keywords strong{color:var(--accent);}
.med-update-time{font-size:.82rem;color:var(--ink-3);margin:0 0 18px;}
.med-update-time time{font-style:normal;}

/* ---------- Tables ---------- */
.med-content-main table,.med-page-main table,table.med-spec{
  width:100%;border-collapse:collapse;margin:1.2rem 0;font-size:.92rem;
  border:1px solid var(--line-strong);
}
.med-content-main th,.med-page-main th,table.med-spec th{
  background:var(--ink);color:#fff;text-align:left;padding:10px 12px;font-weight:600;border:1px solid var(--line-strong);
}
.med-content-main td,.med-page-main td,table.med-spec td{
  padding:9px 12px;border:1px solid var(--line-strong);color:var(--ink);
}
.med-content-main tbody tr:nth-child(even),.med-page-main tbody tr:nth-child(even),table.med-spec tbody tr:nth-child(even){
  background:#F2F7FA;
}

/* ---------- FAQ ---------- */
.med-faq{margin:2rem 0 0;}
.med-faq-title{font-size:1.3rem;border-left:4px solid var(--accent-2);padding-left:.7rem;}
.med-faq-item{background:var(--bg);border:1px solid var(--line);border-radius:10px;margin:10px 0;padding:0 14px;}
.med-faq-item>summary{cursor:pointer;font-weight:600;padding:12px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;}
.med-faq-item>summary::-webkit-details-marker{display:none;}
.med-faq-item>summary::after{content:"+";color:var(--accent);font-size:1.2rem;}
.med-faq-item[open]>summary::after{content:"−";}
.med-faq-a{padding:0 0 12px;color:var(--ink-2);}

/* ---------- Related reading / products ---------- */
.med-related{margin:2rem 0 0;padding:16px 18px;background:var(--bg);border:1px solid var(--line);border-radius:12px;}
.med-related h2{border-left-color:var(--accent-2);}
.med-related ul{margin:0;padding-left:1.2rem;}

/* ---------- Cards (list) ---------- */
.med-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px;margin-top:18px;}
.med-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s;}
.med-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.med-card-body{padding:16px 18px;flex:1;}
.med-card-cat{display:inline-block;font-size:.74rem;color:var(--accent);background:#EAF6F9;padding:2px 8px;border-radius:6px;margin-bottom:8px;}
.med-card-title{font-size:1.05rem;margin:0 0 8px;}
.med-card-title a{color:var(--ink);}
.med-card-summary{font-size:.88rem;color:var(--ink-2);margin:0;}
.med-card-foot{padding:10px 18px;border-top:1px solid var(--line);font-size:.78rem;color:var(--ink-3);}
.med-list-h1{font-size:1.8rem;margin:0 0 6px;}
.med-list-intro{color:var(--ink-2);margin:0 0 6px;}

/* ---------- Home ---------- */
.med-hero{background:linear-gradient(135deg,#0B2733 0%,#10506B 60%,#1499B3 100%);color:#fff;border-radius:18px;padding:54px 40px;margin-bottom:26px;box-shadow:var(--shadow);}
.med-hero-eyebrow{color:#9FE3EF;font-weight:600;letter-spacing:.5px;margin:0 0 12px;font-size:.95rem;}
.med-hero-title{font-size:2.1rem;margin:0 0 14px;color:#fff;line-height:1.3;}
.med-hero-sub{font-size:1.05rem;color:#DCF1F6;max-width:760px;margin:0 0 22px;}
.med-hero-cta{display:flex;gap:14px;flex-wrap:wrap;}
.med-btn{display:inline-block;padding:12px 24px;border-radius:10px;font-weight:700;font-size:.95rem;}
.med-btn-primary{background:var(--accent-2);color:#06281C;}
.med-btn-primary:hover{background:#27a06b;text-decoration:none;}
.med-btn-ghost{border:1px solid rgba(255,255,255,.6);color:#fff;}
.med-btn-ghost:hover{border-color:#fff;text-decoration:none;}
.med-home-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:30px;}
.med-stat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px;text-align:center;box-shadow:var(--shadow);}
.med-stat-num{display:block;font-size:1.5rem;font-weight:800;color:var(--accent);}
.med-stat-label{color:var(--ink-2);font-size:.9rem;}
.med-home-block{margin-bottom:30px;}
.med-home-h2{font-size:1.5rem;border-left:4px solid var(--accent);padding-left:.7rem;margin:0 0 16px;}
.med-home-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;}
.med-home-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;color:var(--ink);transition:transform .15s,box-shadow .15s;}
.med-home-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);text-decoration:none;}
.med-home-card h3{margin:0 0 8px;font-size:1.05rem;color:var(--ink);}
.med-home-card p{margin:0;font-size:.88rem;color:var(--ink-2);}
.med-tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.med-tag{background:#EAF6F9;color:var(--accent);border:1px solid #CFE9EF;border-radius:20px;padding:6px 14px;font-size:.9rem;}
.med-baseline{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.med-baseline li{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent-2);border-radius:10px;padding:12px 16px;color:var(--ink-2);}
.med-scene-caps{display:flex;flex-wrap:wrap;gap:10px;}
.med-scene-cap{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:8px 16px;color:var(--ink-2);font-size:.92rem;}

/* ---------- Archive / page ---------- */
.med-page-h1{font-size:2rem;margin:0 0 8px;}
.med-page-lead{color:var(--ink-2);margin:0 0 18px;}
.med-arch-h2{font-size:1.4rem;border-left:4px solid var(--accent);padding-left:.7rem;margin:1.8rem 0 .6rem;}
.med-arch-cat{font-size:1.1rem;color:var(--accent);margin:.8rem 0 .3rem;}
.med-arch-list{margin:0 0 .6rem;padding-left:1.4rem;}
.med-arch-list li{margin:.25rem 0;}

/* ---------- Footer ---------- */
.med-footer{background:#0B2733;color:#C9DCE6;margin-top:30px;}
.med-footer-inner{max-width:var(--maxw);margin:0 auto;padding:34px 20px;}
.med-footer-cols{display:grid;grid-template-columns:1fr 1fr 1.6fr;gap:24px;}
.med-footer-h{color:#fff;font-size:1rem;margin:0 0 10px;}
.med-footer-col ul{list-style:none;padding:0;margin:0;}
.med-footer-col li{margin:6px 0;}
.med-footer-col a{color:#9FC4D2;}
.med-footer-about p{font-size:.88rem;color:#9FC4D2;margin:0;}
.med-footer-bottom{border-top:1px solid #1B3A49;margin-top:22px;padding-top:16px;font-size:.82rem;color:#7FA2B0;}

/* ---------- Float capsule ---------- */
.med-float{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:60;display:flex;flex-direction:column;gap:10px;}
.med-float-btn{
  width:54px;height:54px;border-radius:27px;border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  font-size:1.15rem;box-shadow:0 6px 18px rgba(20,153,179,.45);transition:transform .15s;
}
.med-float-btn span{font-size:.62rem;margin-top:1px;}
.med-float-btn:hover{transform:scale(1.06);}
.med-float-mail{background:linear-gradient(135deg,#0B2733,#10506B);}

.med-card-overlay{position:fixed;inset:0;background:rgba(11,39,51,.6);z-index:80;display:flex;align-items:center;justify-content:center;}
.med-card-overlay[hidden]{display:none;}
.med-card-box{position:relative;background:#fff;padding:10px;border-radius:12px;box-shadow:var(--shadow);}
.med-card-img{display:block;width:300px;height:500px;object-fit:contain;}
.med-card-close{position:absolute;top:-14px;right:-14px;width:34px;height:34px;border-radius:50%;border:none;background:#0B2733;color:#fff;font-size:1.2rem;cursor:pointer;}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .med-layout{grid-template-columns:1fr;}
  .med-list-layout{grid-template-columns:1fr;}
  .med-toc-aside,.med-cat-side{position:static;max-height:none;margin-top:14px;}
  .med-content-main{padding:22px 18px;}
  .med-page-main{padding:24px 18px;}
  .med-header-inner{flex-wrap:wrap;}
  .med-nav-toggle{display:block;margin-left:auto;}
  .med-nav{display:none;width:100%;}
  .med-nav.open{display:block;}
  .med-nav-list{flex-direction:column;gap:0;padding:8px 0;}
  .med-nav-has-sub>.med-nav-sub{position:static;display:flex;box-shadow:none;border:none;background:var(--bg);padding-left:14px;}
  .med-home-stats{grid-template-columns:repeat(2,1fr);}
  .med-footer-cols{grid-template-columns:1fr;}
}
@media (max-width:600px){
  .med-hero{padding:36px 22px;}
  .med-hero-title{font-size:1.6rem;}
  .med-home-stats{grid-template-columns:1fr 1fr;}
  .med-float{right:10px;}
  .med-float-btn{width:48px;height:48px;font-size:1rem;}
}