/* 津源生物改版 · 公共样式（培养体系 / 技术路径 / 资料下载 / 联系我们 共用） */
:root{
  --navy:#0b1a2a; --navy-2:#13263a; --ink:#16212c; --muted:#5f6b76; --line:#e3e0d8;
  --bg:#f6f4ef; --teal:#0f766e; --teal-2:#14b8a6; --teal-soft:#e6f4f1;
  --tumor:#c2410c; --tumor-soft:#fdf0e8; --normal:#0f766e; --normal-soft:#e6f4f1; --support:#6d28d9; --support-soft:#f1ecfb;
  --num:"Inter","Helvetica Neue",Arial,"PingFang SC",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",-apple-system,"Helvetica Neue",sans-serif;font-variant-numeric:tabular-nums;background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
.wrap{max-width:1280px;margin:0 auto;padding:0 32px}
.todo{display:inline-block;font-size:11px;background:#fff6db;color:#8a6100;border-radius:4px;padding:0 6px;margin-left:6px;vertical-align:2px;font-weight:400;line-height:1.7}

/* Header */
header.site{background:var(--navy);color:#fff;position:sticky;top:0;z-index:30}
header.site .wrap{display:flex;align-items:center;height:68px;gap:40px}
.logo{display:flex;align-items:center;gap:10px}
.logo img{height:36px}
.logo b{display:block;font-size:17px;letter-spacing:1px}
.logo small{display:block;font-size:9.5px;letter-spacing:1.6px;opacity:.7}
nav.main{display:flex;gap:28px;font-size:14.5px;margin-left:auto}
nav.main a{opacity:.82;padding:6px 0;border-bottom:2px solid transparent}
nav.main a:hover{opacity:1}
nav.main a.on{opacity:1;color:var(--teal-2);border-color:var(--teal-2)}
.h-cta{display:flex;align-items:center;gap:14px}
.h-tel{font-size:14.5px;font-weight:600;letter-spacing:.5px;opacity:.9}
.menu-btn{display:none;margin-left:auto;width:40px;height:40px;color:#fff;font-size:22px}
.mnav{display:none}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:40px;padding:0 18px;border-radius:999px;font-size:14px;font-weight:600;transition:.15s;white-space:nowrap}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:#0b5f59}
.btn-accent{background:var(--teal-2);color:var(--navy)}
.btn-accent:hover{background:#2dd4bf}
.btn-ghost{border:1px solid var(--line);background:#fff}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
.btn-sm{height:32px;padding:0 12px;font-size:13px}
.btn-lg{height:48px;padding:0 26px;font-size:15px}

/* Page hero（浅色，与产品中心一致） */
.page-hero{padding:40px 0 36px}
.crumb{font-size:13px;color:var(--muted);margin-bottom:14px}
.crumb a:hover{color:var(--teal)}
.page-hero h1{font-size:34px;font-weight:600;letter-spacing:1px;color:var(--navy);line-height:1.25}
.page-hero p.lead{color:var(--muted);font-size:15px;margin-top:10px;max-width:640px}
.subnav{position:sticky;top:68px;z-index:20;background:rgba(246,244,239,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.subnav .wrap{display:flex;gap:28px;overflow-x:auto;scrollbar-width:none}
.subnav a{padding:13px 0;font-size:14.5px;color:var(--muted);white-space:nowrap;border-bottom:2px solid transparent}
.subnav a:hover{color:var(--ink)}
.subnav a.on{color:var(--navy);font-weight:600;border-color:var(--teal)}

section.sec{padding:72px 0}
section.sec.white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.kicker{font-size:13px;color:var(--teal);font-weight:600;letter-spacing:2px;margin-bottom:8px}
.sec-head h2{font-size:30px;line-height:1.3;font-weight:600;color:var(--navy)}
.sec-head p{color:var(--muted);max-width:440px;font-size:14.5px}
.card-box{background:#fff;border:1px solid var(--line);border-radius:18px}
.tag{display:inline-block;font-size:11.5px;font-weight:600;padding:2px 9px;border-radius:999px}
.tag.tumor{background:var(--tumor-soft);color:var(--tumor)}
.tag.normal{background:var(--normal-soft);color:var(--normal)}
.tag.support{background:var(--support-soft);color:var(--support)}
.sku{font-family:var(--num);font-size:12px;font-weight:500;background:var(--bg);border-radius:6px;padding:2px 7px;white-space:nowrap}
a.sku:hover{background:var(--teal-soft);color:var(--teal)}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--teal) 0,#0c5f63 100%);color:#fff;border-radius:22px;padding:36px 44px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h3{font-size:24px;font-weight:600}
.cta-band p{opacity:.8;margin-top:6px}
.cta-band .btn{background:#fff;color:var(--teal);height:46px;padding:0 24px}

/* Footer */
footer.site{background:var(--navy);color:#c7d0d8;font-size:13px;margin-top:72px}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding:48px 32px 32px}
footer.site h5{color:#fff;font-size:14px;margin-bottom:12px}
footer.site li{list-style:none;margin:6px 0}
footer.site a:hover{color:var(--teal-2)}
.qr{width:96px;height:96px;background:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#889;font-size:11px;margin-top:6px}
.legal{border-top:1px solid rgba(255,255,255,.1);padding:16px 0;font-size:12px;opacity:.7}
.legal .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* Inquiry drawer */
.scrim{position:fixed;inset:0;background:rgba(11,26,42,.45);opacity:0;pointer-events:none;transition:.2s;z-index:40}
.drawer{position:fixed;top:0;right:0;height:100%;width:440px;max-width:100%;background:#fff;z-index:41;transform:translateX(100%);transition:.25s;display:flex;flex-direction:column}
body.inq .scrim,body.menu .scrim{opacity:1;pointer-events:auto}
body.inq .drawer{transform:none}
.drawer .dh{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid var(--line)}
.drawer form{padding:20px 24px;overflow:auto;flex:1}
.field label{display:block;font-size:13px;color:var(--muted);margin:12px 0 6px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px 12px;font:inherit;font-size:14px;outline:0;background:#fff}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(15,118,110,.1)}
.picked{background:var(--bg);border-radius:10px;padding:12px;font-size:13.5px}
.picked b{font-family:var(--num)}
.drawer .foot{padding:16px 24px;border-top:1px solid var(--line)}
.drawer .foot .btn{width:100%;height:46px}
.form-msg{font-size:13.5px;margin-top:12px;min-height:1em}
.form-msg.ok{color:var(--teal)}
.form-msg.err{color:#b42318}
a.h-tel:hover{color:var(--teal-2)}
/* 正式环境：隐藏“待补充/核对”标记和未完成内容 */
html[data-env=prod] .todo,html[data-env=prod] .draft{display:none!important}
/* 电话咨询面板（未配置表单接收方式时替代询价表单） */
.call{padding:24px}
.call-lead{color:var(--muted);font-size:14px}
.call-tel{display:block;font-family:var(--num);font-size:34px;font-weight:600;color:var(--navy);margin:14px 0 2px;letter-spacing:.5px}
.call-hours{color:var(--muted);font-size:13px}
.call-list{list-style:none;margin:20px 0;border-top:1px solid var(--line)}
.call-list li{display:grid;grid-template-columns:64px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.call-list li[hidden]{display:none}
.call-list span{color:var(--muted)}
.call-list b{font-weight:500}
.call-btn{width:100%}
.mock-note{position:fixed;right:16px;bottom:16px;white-space:nowrap;background:#fff6db;color:#7a5600;border:1px solid #f1dc9a;border-radius:10px;padding:8px 12px;font-size:12px;z-index:20}

.rv{opacity:0;transform:translateY(14px);transition:opacity .6s,transform .6s}
.rv.in{opacity:1;transform:none}

@media (max-width:900px){
  .wrap{padding:0 18px}
  nav.main,.h-cta{display:none}
  .menu-btn{display:block}
  .mnav{display:block;position:fixed;top:68px;left:0;right:0;background:var(--navy);z-index:41;padding:8px 18px 20px;transform:translateY(-110%);transition:.25s;visibility:hidden}
  body.menu .mnav{transform:none;visibility:visible}
  .mnav a{display:block;color:#fff;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:15.5px}
  .mnav a.on{color:var(--teal-2)}
  .mnav .btn{margin-top:16px;width:100%}
  .page-hero{padding:24px 0 22px}
  .page-hero h1{font-size:26px}
  section.sec{padding:48px 0}
  .sec-head h2{font-size:24px}
  .cta-band{padding:26px 22px}
  footer.site{margin-top:48px}
  footer.site .cols{grid-template-columns:1fr 1fr;padding:32px 18px 24px}
  .mock-note{display:none}
}