/* Aucma biomedical sub-site */
:root{
  --brand:#E60012; --dark:#B3000E; --light:#FCE9E9;
  --ink:#1f2329; --muted:#5b6470; --line:#e6e9ee; --bg:#ffffff; --soft:#f7f8fa;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.7}
a{color:var(--dark);text-decoration:none}
img{max-width:100%}
.wrap{max-width:1160px;margin:0 auto;padding:0 18px}
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.bar{display:flex;align-items:center;gap:14px;padding:12px 0}
.logo{height:40px;width:auto}
.brand-txt b{color:var(--brand);font-size:18px;letter-spacing:.5px}
.brand-txt span{display:block;color:var(--muted);font-size:12px}
nav.main{display:flex;gap:22px;margin-left:auto;flex-wrap:wrap}
nav.main a{font-size:15px;color:var(--ink)}
nav.main a:hover{color:var(--brand)}
.hero{background:linear-gradient(135deg,var(--dark),var(--brand));color:#fff;padding:54px 0}
.hero h1{font-size:32px;margin:0 0 12px}
.hero p{font-size:16px;max-width:760px;opacity:.95;margin:0 0 18px}
.btn{display:inline-block;background:#fff;color:var(--dark);padding:10px 20px;border-radius:6px;font-weight:600}
.btn.ghost{background:transparent;border:1px solid #fff;color:#fff}
section{padding:46px 0}
h2.sec{font-size:24px;margin:0 0 6px}
p.secsub{color:var(--muted);margin:0 0 26px}
.grid{display:grid;gap:18px}
.cats{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.card{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:20px;transition:.2s}
.card:hover{box-shadow:0 6px 22px rgba(230,0,18,.12);transform:translateY(-2px);border-color:var(--brand)}
.card h3{margin:0 0 8px;font-size:17px}
.card .n{color:var(--brand);font-weight:700;font-size:13px}
.card p{color:var(--muted);font-size:14px;margin:8px 0 0}
.feat-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.feat .ic{width:40px;height:40px;border-radius:8px;background:var(--light);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:10px}
.scen{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}
.scen .card{background:#fff}
table.tbl{width:100%;border-collapse:collapse;font-size:14px;background:#fff}
table.tbl th,table.tbl td{border:1px solid var(--line);padding:9px 11px;text-align:left}
table.tbl th{background:var(--soft);color:var(--ink)}
table.tbl tr:hover td{background:var(--light)}
.tag{display:inline-block;background:var(--light);color:var(--dark);border-radius:20px;padding:2px 10px;font-size:12px;margin:2px 4px 2px 0}
.price{color:var(--brand);font-weight:700}
.filter{margin:0 0 18px;display:flex;gap:8px;flex-wrap:wrap}
.filter button{border:1px solid var(--line);background:#fff;border-radius:20px;padding:6px 14px;cursor:pointer;font-size:13px}
.filter button.on,.filter button:hover{border-color:var(--brand);color:var(--brand)}
.detail-hero{display:flex;gap:26px;flex-wrap:wrap;align-items:flex-start}
.detail-hero img{width:340px;max-width:100%;border:1px solid var(--line);border-radius:10px}
.specs{list-style:none;padding:0;margin:14px 0 0}
.specs li{display:flex;border-bottom:1px dashed var(--line);padding:8px 0}
.specs li b{width:130px;color:var(--muted);font-weight:600}
.about{background:var(--soft)}
.contact{background:linear-gradient(135deg,var(--dark),var(--brand));color:#fff}
.contact a{color:#fff;text-decoration:underline}
footer.site{background:#11161c;color:#aeb6c0;padding:26px 0;font-size:13px}
footer.site a{color:#cfd6de}
.breadcrumb{color:var(--muted);font-size:13px;margin:0 0 16px}
.breadcrumb a{color:var(--dark)}
.muted{color:var(--muted)}
.center{text-align:center}
@media(max-width:640px){.hero h1{font-size:25px}.detail-hero img{width:100%}}