/* ============================================================
   瑞海医药 MVP · 全站样式（绿·编辑体）
   数据源 content.json · build.js 渲染 · 勿直接改生成页
   ============================================================ */
:root{
  --g-50:#F2F8F4; --g-100:#E2F0E8; --g-200:#C2E2D2; --g-300:#8FC9B0;
  --g-500:#2C8F6E; --g-600:#15795B; --g-700:#0E6347; --g-800:#0A4F38; --g-900:#073A2A;
  --gold:#B8924A; --gold-l:#D4B87A;
  --ink:#101826; --ink-2:#414D5E; --ink-3:#71798A;
  --line:#E3E6E3; --line-d:#CFD4CF;
  --paper:#FBFAF6; --paper-2:#F4F2EA; --white:#FFFFFF;
  --serif:"Noto Serif SC","Songti SC","STSong",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --num:"Fraunces",var(--serif);
  --header-h:72px; --container:1200px;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);color:var(--ink);background:var(--paper);
  line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased;
  font-feature-settings:"kern";
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.35;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
}
main,header,footer{position:relative;z-index:1}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
::selection{background:var(--g-200);color:var(--g-900)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 28px}
.eyebrow{
  font-family:var(--num);font-size:12px;font-weight:600;letter-spacing:.32em;
  text-transform:uppercase;color:var(--gold);
  display:inline-flex;align-items:center;gap:12px;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--gold)}
.sh{margin-bottom:56px;max-width:46em}
.st{font-family:var(--serif);font-size:clamp(30px,3.6vw,46px);font-weight:900;letter-spacing:.02em;line-height:1.25;color:var(--ink);margin:18px 0 16px}
.st em{font-style:normal;color:var(--g-700)}
.sd{color:var(--ink-2);font-size:16px;line-height:1.9;font-weight:400}
section{padding:110px 0}

/* ============ 导航 ============ */
.header{position:sticky;top:0;z-index:200;background:rgba(251,250,246,.88);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hi{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{width:34px;height:34px;border-radius:50%;background:var(--g-800);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-mark img{width:20px;height:auto;display:block}
.brand-name{font-family:var(--serif);font-size:19px;font-weight:700;color:var(--g-900);letter-spacing:.14em}
.brand-sub{font-family:var(--num);font-size:9px;letter-spacing:.28em;color:var(--ink-3);text-transform:uppercase;display:block;margin-top:1px}
.nav{display:none;gap:38px;margin-left:auto}
.nav a{font-size:14px;font-weight:500;color:var(--ink-2);position:relative;padding:5px 0;letter-spacing:.06em}
.nav a:hover{color:var(--g-800)}
.nav a.on{color:var(--g-800);font-weight:700}
.nav a::after{content:"";position:absolute;left:50%;bottom:-1px;width:0;height:1.5px;background:var(--g-700);transition:width .28s,left .28s}
.nav a:hover::after{width:100%;left:0}
.cta{display:none}
.burger{display:flex;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:22px;height:1.5px;background:var(--ink);transition:.25s}
.burger.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.drawer{position:fixed;inset:0;z-index:250;visibility:hidden}
.drawer.show{visibility:visible}
.drawer-mask{position:absolute;inset:0;background:rgba(7,58,42,.45);opacity:0;transition:opacity .25s}
.drawer.show .drawer-mask{opacity:1}
.drawer-panel{position:absolute;top:0;right:0;height:100%;width:80%;max-width:330px;background:var(--paper);transform:translateX(100%);transition:transform .3s cubic-bezier(.22,1,.36,1);padding:calc(var(--header-h) + 24px) 26px 26px;display:flex;flex-direction:column}
.drawer.show .drawer-panel{transform:translateX(0)}
.drawer-panel a{padding:17px 2px;font-size:16px;font-weight:500;border-bottom:1px solid var(--line);letter-spacing:.06em}
.drawer-panel a.on{color:var(--g-800);font-weight:700}
.drawer-panel a.brand-cta{border-bottom:0;margin-top:auto}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:600;font-size:14px;letter-spacing:.1em;padding:15px 34px;cursor:pointer;border:1px solid transparent;transition:transform .2s,background .25s,color .25s,border-color .25s}
.btn:active{transform:scale(.97)}
.btn-p{background:var(--g-800);color:#fff}
.btn-p:hover{background:var(--g-900)}
.btn-o{background:transparent;color:var(--g-800);border-color:var(--g-700)}
.btn-o:hover{background:var(--g-50)}
.btn-block{width:100%}

/* ============ 内页页头 ============ */
.page-hero{padding:56px 0 46px;background:var(--paper-2);border-bottom:1px solid var(--line)}
.crumb{font-family:var(--num);font-size:11px;letter-spacing:.16em;color:var(--ink-3);margin-bottom:14px;text-transform:uppercase}
.crumb a{color:var(--g-700)}
.page-hero h1{font-family:var(--serif);font-size:clamp(30px,4.4vw,46px);font-weight:900;letter-spacing:.02em;line-height:1.2;margin:14px 0 12px}
.page-hero h1 em{font-style:normal;color:var(--g-700)}
.page-hero .sd{max-width:40em}

/* ============ Hero（首页） ============ */
.hero{padding:88px 0 64px;overflow:hidden}
.hg{display:grid;gap:56px;align-items:center}
.hero-kicker{display:flex;align-items:center;gap:16px;margin-bottom:30px}
.hero-kicker .line{flex:0 0 44px;height:1px;background:var(--g-700)}
.hero-kicker .en{font-family:var(--num);font-size:12px;letter-spacing:.32em;color:var(--g-700);font-weight:600}
.hero-kicker .zh{font-size:12px;letter-spacing:.4em;color:var(--ink-3)}
.ht{font-family:var(--serif);font-weight:900;font-size:clamp(40px,6.4vw,74px);line-height:1.14;letter-spacing:.015em;color:var(--ink)}
.ht em{font-style:normal;color:var(--g-700);position:relative;white-space:nowrap}
.ht em::after{content:"";position:absolute;left:2%;right:2%;bottom:.06em;height:.14em;background:var(--gold-l);opacity:.5;z-index:-1}
.hl{font-size:clamp(15px,1.4vw,17.5px);color:var(--ink-2);max-width:33em;margin:28px 0 38px;line-height:2}
.hl b{color:var(--g-800);font-weight:700}
.ha{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.ha .tel-hint{font-size:13px;color:var(--ink-3);letter-spacing:.04em}
.ha .tel-hint b{font-family:var(--num);font-size:15px;color:var(--g-800);font-weight:600;letter-spacing:.05em}
.hv{position:relative;justify-self:center}
.hv-frame{width:min(400px,82vw);aspect-ratio:4/4.6;border-radius:210px 210px 18px 18px;background:linear-gradient(170deg,var(--g-50),#fff 55%);border:1px solid var(--line);overflow:hidden;display:flex;align-items:flex-end;justify-content:center;box-shadow:0 40px 80px -30px rgba(7,58,42,.25), inset 0 0 0 8px rgba(255,255,255,.55)}
.hv-frame img{width:78%;height:auto;object-fit:contain;filter:drop-shadow(0 24px 34px rgba(7,58,42,.22));transform:translateY(-14px)}
.hv-cap{position:absolute;left:-14px;bottom:34px;background:var(--g-900);color:#fff;padding:13px 20px;border-radius:2px;box-shadow:0 14px 30px -10px rgba(7,58,42,.4)}
.hv-cap b{font-family:var(--serif);font-size:16px;font-weight:700;letter-spacing:.2em;display:block}
.hv-cap span{font-size:11px;opacity:.75;letter-spacing:.12em}
.hv-stamp{position:absolute;right:-10px;top:38px;width:86px;height:86px;border-radius:50%;border:1px solid var(--gold);display:flex;align-items:center;justify-content:center;color:var(--gold);font-size:11px;letter-spacing:.3em;text-align:center;line-height:1.9;background:rgba(255,255,255,.7);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);writing-mode:vertical-rl;transform:rotate(8deg);font-weight:700}

/* ============ 数据账本 ============ */
.stats{display:flex;flex-wrap:wrap;border-top:1px solid var(--line-d);border-bottom:1px solid var(--line-d)}
.stat{flex:1 1 150px;padding:30px 26px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{font-family:var(--num);font-size:clamp(30px,3.4vw,44px);font-weight:600;color:var(--g-800);line-height:1;display:flex;align-items:baseline;gap:2px}
.stat b i{font-style:normal;font-size:.55em;color:var(--gold)}
.stat span{font-size:12.5px;color:var(--ink-3);margin-top:9px;display:block;letter-spacing:.12em}

/* ============ 产品 ============ */
.prod{display:grid;gap:64px;align-items:start}
.prod-media{position:sticky;top:calc(var(--header-h) + 24px)}
.pm-frame{background:radial-gradient(circle at 50% 32%,var(--g-50),#fff 72%);border:1px solid var(--line);border-radius:4px;padding:52px 36px;display:flex;justify-content:center;position:relative}
.pm-frame::after{content:"";position:absolute;inset:10px;border:1px solid var(--g-100);border-radius:2px;pointer-events:none}
.pm-frame img{max-height:400px;height:auto;object-fit:contain;filter:drop-shadow(0 26px 40px rgba(7,58,42,.18))}
.pm-tag{position:absolute;top:22px;left:22px;font-family:var(--num);font-size:11px;letter-spacing:.24em;color:var(--g-700);font-weight:600}
.prod-no{font-family:var(--num);font-size:13px;letter-spacing:.3em;color:var(--gold);font-weight:600}
.prod-info h3{font-family:var(--serif);font-size:clamp(30px,3.4vw,42px);font-weight:900;color:var(--ink);margin:10px 0 6px;letter-spacing:.04em}
.prod-sub{font-size:13.5px;font-weight:500;color:var(--g-700);letter-spacing:.14em;margin-bottom:22px}
.prod-desc{color:var(--ink-2);font-size:15.5px;line-height:2;margin-bottom:34px}
.spec{border-top:1.5px solid var(--g-800)}
.spec-t{font-size:12px;font-weight:700;letter-spacing:.3em;color:var(--g-700);padding:14px 0 4px;display:flex;align-items:center;gap:10px}
.spec-t::after{content:"";flex:1;height:1px;background:var(--line)}
.spec div{display:flex;justify-content:space-between;gap:18px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.spec dt{color:var(--ink-3);font-weight:500;flex-shrink:0}
.spec dd{color:var(--ink);font-weight:600;text-align:right;letter-spacing:.02em}
.uselist{margin:26px 0 8px;display:grid;gap:12px}
.uselist li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.uselist li i{font-style:normal;color:var(--g-700);font-family:var(--num);font-weight:600;flex-shrink:0}
.ben{margin:30px 0 36px;display:grid;gap:13px}
.ben li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2);line-height:1.7}
.ben li i{color:var(--g-700);font-style:normal;flex-shrink:0;width:20px;height:20px;margin-top:3px;border:1px solid var(--g-300);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700}

/* ============ 知识区 ============ */
.disease{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kg{display:grid;gap:1px;background:var(--line-d);border:1px solid var(--line-d)}
.kcard{background:var(--paper);padding:40px 34px;position:relative}
.kcard .kn{font-family:var(--num);font-size:13px;letter-spacing:.26em;color:var(--gold);font-weight:600;margin-bottom:18px}
.kcard h4{font-family:var(--serif);font-size:21px;font-weight:700;color:var(--ink);margin-bottom:14px;letter-spacing:.04em}
.kcard p{font-size:14.5px;color:var(--ink-2);line-height:2}
.kcard p b{color:var(--g-800)}
.kmore{margin-top:26px;font-size:14px}
.kmore a{color:var(--g-700);font-weight:600;border-bottom:1px solid var(--g-300)}

/* ============ 账本行 ============ */
.ledger{display:grid}
.row{display:grid;grid-template-columns:76px 1fr;gap:20px;padding:30px 0;border-top:1px solid var(--line)}
.ledger .row:last-child{border-bottom:1px solid var(--line)}
.row .no{font-family:var(--num);font-size:15px;font-weight:600;color:var(--gold);letter-spacing:.1em;line-height:2.2}
.row h4{font-family:var(--serif);font-size:19px;font-weight:700;color:var(--ink);margin-bottom:7px;letter-spacing:.05em}
.row p{font-size:14.5px;color:var(--ink-2);line-height:1.9;max-width:34em}

/* ============ 科研合作 ============ */
.partners{display:flex;flex-wrap:wrap}
.partner{flex:1 1 240px;padding:34px 30px;border:1px solid var(--line);margin:0 -1px -1px 0;display:flex;align-items:baseline;gap:14px;transition:background .3s}
.partner:hover{background:var(--g-50)}
.partner .p-no{font-family:var(--num);font-size:12px;color:var(--gold);font-weight:600;letter-spacing:.1em}
.partner .p-name{font-family:var(--serif);font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.06em}
.partner-note{margin-top:22px;font-size:13px;color:var(--ink-3);letter-spacing:.04em}

/* ============ FAQ ============ */
.faq{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.qlist{border-top:1.5px solid var(--g-800)}
.qa{border-bottom:1px solid var(--line-d)}
.qa button{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;background:none;border:0;cursor:pointer;text-align:left;padding:26px 4px;font-family:var(--serif);font-size:17.5px;font-weight:700;color:var(--ink);letter-spacing:.03em}
.qa button:hover{color:var(--g-700)}
.qa .qx{font-family:var(--num);color:var(--gold);font-weight:600;margin-right:14px;font-size:15px}
.qa .plus{flex-shrink:0;width:26px;height:26px;position:relative}
.qa .plus::before,.qa .plus::after{content:"";position:absolute;background:var(--g-700);top:50%;left:50%;transition:transform .3s}
.qa .plus::before{width:14px;height:1.5px;transform:translate(-50%,-50%)}
.qa .plus::after{width:1.5px;height:14px;transform:translate(-50%,-50%)}
.qa.open .plus::after{transform:translate(-50%,-50%) scaleY(0)}
.qa-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.qa-a p{padding:0 44px 26px 4px;font-size:15px;color:var(--ink-2);line-height:2;max-width:46em}

/* ============ 联系 ============ */
.contact{background:var(--g-900);color:#fff;position:relative;overflow:hidden}
.contact::before{content:"";position:absolute;right:-140px;top:-140px;width:480px;height:480px;border-radius:50%;border:1px solid rgba(212,184,122,.25);pointer-events:none}
.contact::after{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;border:1px solid rgba(212,184,122,.18);pointer-events:none}
.contact .eyebrow{color:var(--gold-l)}
.contact .st{color:#fff}
.cg{display:grid;gap:64px;align-items:start}
.big-phone{font-family:var(--num);font-size:clamp(34px,4.6vw,56px);font-weight:600;color:#fff;letter-spacing:.03em;line-height:1.15;margin-top:26px}
.big-phone a{transition:color .25s}
.big-phone a:hover{color:var(--gold-l)}
.lead2{font-size:15px;color:rgba(255,255,255,.72);margin:22px 0 30px;line-height:2;max-width:30em}
.c-meta{display:grid;gap:0;border-top:1px solid rgba(255,255,255,.18)}
.c-meta div{display:flex;justify-content:space-between;gap:18px;padding:15px 2px;border-bottom:1px solid rgba(255,255,255,.18);font-size:14px}
.c-meta dt{color:rgba(255,255,255,.55);letter-spacing:.1em}
.c-meta dd{font-weight:500;letter-spacing:.04em}
.fm{border-top:1px solid rgba(255,255,255,.25);padding-top:8px}
.fld{margin-bottom:26px}
.fld label{display:block;font-size:12px;font-weight:600;color:rgba(255,255,255,.6);margin-bottom:8px;letter-spacing:.22em}
.fld input,.fld textarea{width:100%;padding:10px 2px;border:0;border-bottom:1px solid rgba(255,255,255,.3);background:transparent;font-size:16px;font-family:inherit;color:#fff;transition:border-color .25s}
.fld input::placeholder,.fld textarea::placeholder{color:rgba(255,255,255,.35)}
.fld input:focus,.fld textarea:focus{outline:none;border-color:var(--gold-l)}
.fld textarea{resize:vertical;min-height:76px}
.fm .btn-p{background:var(--gold);color:#fff;width:100%}
.fm .btn-p:hover{background:var(--gold-l)}
.fm-note{font-size:12px;color:rgba(255,255,255,.45);margin-top:14px;letter-spacing:.05em;text-align:center}

/* ============ 页脚 + 简约版徽章 ============ */
.footer{background:var(--g-900);color:rgba(255,255,255,.65);border-top:1px solid rgba(255,255,255,.12);padding:64px 0 30px;font-size:14px}
.fg{display:grid;gap:40px;margin-bottom:44px}
.footer .brand-name{color:#fff}
.footer .brand-sub{color:rgba(255,255,255,.4)}
.footer p{line-height:2;max-width:26em;margin-top:16px;font-size:13.5px;color:rgba(255,255,255,.55)}
.footer h4{font-size:12px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.3em}
.footer ul li{margin-bottom:10px}
.footer a:hover{color:var(--gold-l)}
.fb{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;font-size:12px;color:rgba(255,255,255,.4);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:flex-start;align-items:center;letter-spacing:.04em}
/* 橡媒GEO 简约版徽章组：版权行右侧同排，紧凑单色系（高约 24px） */
.badges{display:inline-flex;align-items:center;gap:10px;margin-left:auto;line-height:1}
.badges a{display:inline-flex;align-items:center;color:rgba(255,255,255,.4)}
.b-seal svg{width:20px;height:24px;display:block}
.b-aiaas{font-family:var(--num);font-size:11.5px;font-weight:700;letter-spacing:.12em;padding:0 2px}
.badges a:hover{color:var(--gold-l)}

/* ============ 动效 ============ */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.22,1,.36,1),transform .8s cubic-bezier(.22,1,.36,1)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.08s}.rv-d2{transition-delay:.16s}.rv-d3{transition-delay:.24s}.rv-d4{transition-delay:.32s}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* ============ 响应式 ============ */
@media(max-width:640px){
  .container{padding:0 18px}
  section{padding:60px 0}
  .sh{margin-bottom:36px}
  .hero{padding:52px 0 44px}
  .hg{gap:36px}
  .ht{font-size:clamp(31px,8.8vw,40px)}
  .ht em{white-space:normal}
  .hl{margin:20px 0 26px}
  .btn{padding:13px 24px;font-size:13.5px}
  .hero-kicker{margin-bottom:20px}
  .page-hero{padding:44px 0 36px}
  .stats{display:grid;grid-template-columns:1fr 1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line);padding:18px 14px}
  .stat:nth-child(2n){border-left:1px solid var(--line)}
  .stat:nth-child(2n+1){border-left:0}
  .stat:nth-last-child(-n+2){border-bottom:0}
  .stat b{font-size:26px}
  .pm-frame{padding:34px 20px}
  .pm-frame img{max-height:280px}
  .prod{gap:36px}
  .prod-info h3{font-size:28px}
  .kcard{padding:26px 20px}
  .row{gap:14px;padding:24px 0}
  .partner{padding:22px 18px}
  .qa button{padding:20px 2px;font-size:16px}
  .qa-a p{padding:0 30px 20px 2px}
  .big-phone{font-size:clamp(30px,8.6vw,34px)}
  .cg{gap:44px}
  .fg{gap:30px}
  .hv-stamp{width:72px;height:72px;font-size:10px}
  .hv-cap{left:8px;bottom:20px;padding:10px 16px}
  .badges{flex-wrap:wrap}
}
@media(min-width:640px){
  .kg{grid-template-columns:repeat(3,1fr)}
  .fg{grid-template-columns:1.8fr 1fr 1fr 1fr}
  .ledger{grid-template-columns:1fr 1fr}
  .ledger .row{border-right:1px solid var(--line);padding:32px 28px}
  .ledger .row:nth-child(2n){border-right:0}
  .ledger .row:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
}
@media(min-width:768px){
  .burger{display:none}
  .nav{display:flex}
  .cta{display:inline-flex}
  .hero{padding:118px 0 84px}
  .hg{grid-template-columns:1.08fr .92fr}
  section{padding:128px 0}
  .prod{grid-template-columns:.92fr 1.08fr}
  .cg{grid-template-columns:1fr 1.02fr}
}
@media(min-width:1100px){
  .partner{flex:1 1 200px;padding:40px 34px}
}