@charset "UTF-8";
/* =============================================================
   国控医疗 gkme.com.cn — 视觉系统
   设计语言：国际简洁扁平 / 医学严谨 / 大面积留白 + 细线分隔
   ============================================================= */

:root{
  --navy-950:#08243D;
  --navy-900:#0B2E4C;
  --navy-800:#103A5E;
  --navy-700:#16496F;
  --red:#C62F29;
  --red-600:#B0241F;
  --red-100:#FBEDEC;
  --ink:#0F1B24;
  --ink-2:#2B3B48;
  --muted:#5C6B78;
  --muted-2:#64727D;
  --line:#E4E9EE;
  --line-strong:#CFD8E0;
  --bg:#FFFFFF;
  --bg-soft:#F7F9FB;
  --max:1240px;
  --sans:-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink-2);
  font-family:var(--sans);font-size:16px;line-height:1.85;
  font-feature-settings:"tnum" 0;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:600;letter-spacing:-.005em;line-height:1.32;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
::selection{background:var(--red);color:#fff;}

.wrap{max-width:var(--max);margin:0 auto;padding:0 36px;}
.wrap-narrow{max-width:920px;margin:0 auto;padding:0 36px;}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:999;background:var(--red);color:#fff;
  padding:12px 20px;font-size:14px;
}
.skip-link:focus{left:12px;top:12px;}

/* ---------- 通用文字样式 ---------- */
.eyebrow{
  display:flex;align-items:center;gap:12px;
  font-size:11px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;
  color:var(--red);margin-bottom:22px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--red);display:block;}
.eyebrow.on-dark{color:#EF7C76;}
.eyebrow.on-dark::before{background:#EF7C76;}

h2.section-title{font-size:clamp(27px,2.9vw,40px);line-height:1.28;letter-spacing:-.01em;}
.section-lead{margin-top:22px;font-size:17px;line-height:1.9;color:var(--muted);max-width:720px;}
.section-head{margin-bottom:64px;max-width:820px;}

.section{padding:116px 0;}
.section.soft{background:var(--bg-soft);}
.section.tight{padding:88px 0;}
.rule{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:50px;padding:0 28px;border:1px solid transparent;border-radius:2px;
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  transition:background .25s ease,color .25s ease,border-color .25s ease,transform .25s ease;
}
.btn svg{width:16px;height:16px;flex:none;transition:transform .25s ease;}
.btn:hover svg{transform:translateX(3px);}
.btn-primary{background:var(--red);color:#fff;}
.btn-primary:hover{background:var(--red-600);}
.btn-dark{background:var(--navy-900);color:#fff;}
.btn-dark:hover{background:var(--navy-700);}
.btn-ghost{border-color:rgba(255,255,255,.26);color:#fff;}
.btn-ghost:hover{border-color:rgba(255,255,255,.7);background:rgba(255,255,255,.07);}
.btn-outline{border-color:var(--line-strong);color:var(--ink);}
.btn-outline:hover{border-color:var(--navy-900);background:var(--navy-900);color:#fff;}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px;}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--ink);
}
.link-arrow svg{width:15px;height:15px;transition:transform .25s ease;}
.link-arrow:hover{color:var(--red);}
.link-arrow:hover svg{transform:translateX(4px);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.site-header.is-scrolled{box-shadow:0 1px 24px rgba(9,24,40,.07);}
.header-inner{
  max-width:var(--max);margin:0 auto;padding:0 36px;height:78px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.brand{display:flex;align-items:center;gap:12px;flex:none;}
.brand img{width:38px;height:38px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-cn{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.06em;}
.brand-en{font-size:8px;letter-spacing:.13em;color:var(--muted-2);text-transform:uppercase;margin-top:3px;}

.nav{display:flex;align-items:center;gap:36px;}
.nav a{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;white-space:nowrap;
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--red);
  transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.nav a:hover{color:var(--ink);}
.nav a:hover::after,.nav a.active::after{transform:scaleX(1);}
.nav a.active{color:var(--ink);font-weight:600;}
.header-cta{display:flex;align-items:center;gap:16px;flex:none;}
.header-cta .btn{height:42px;padding:0 20px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:2px;
  cursor:pointer;padding:0;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--ink);transition:transform .3s ease,opacity .3s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-open .nav-toggle span{background:transparent;}
.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg);}
.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg);}

.mobile-nav{
  display:none;position:fixed;inset:78px 0 0;background:#fff;z-index:99;
  padding:16px 24px 40px;overflow-y:auto;
}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 4px;font-size:17px;color:var(--ink);border-bottom:1px solid var(--line);
}
.mobile-nav a span{color:var(--muted-2);font-size:12px;letter-spacing:.06em;}
.mobile-nav .mobile-cta{margin-top:28px;display:block;text-align:center;}
.nav-open .mobile-nav{display:block;}

/* ---------- 首页 Hero ---------- */
.hero{position:relative;background:var(--navy-950);color:#fff;overflow:hidden;}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(1100px 520px at 78% -10%, rgba(198,47,41,.16), transparent 62%),
    radial-gradient(900px 600px at 8% 110%, rgba(22,73,111,.55), transparent 65%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;
  padding:104px 0 96px;
}
.hero h1{
  color:#fff;font-size:clamp(34px,4.2vw,58px);line-height:1.2;letter-spacing:-.005em;font-weight:600;
}
.hero h1 em{font-style:normal;color:#fff;border-bottom:2px solid rgba(198,47,41,.9);padding-bottom:2px;}
.hero-lead{
  margin-top:30px;font-size:16.5px;line-height:1.95;color:rgba(255,255,255,.72);max-width:600px;
}
.hero-meta{
  margin-top:52px;display:flex;flex-wrap:wrap;gap:14px 40px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.13);
}
.hero-meta div{font-size:12.5px;letter-spacing:.06em;color:rgba(255,255,255,.55);}
.hero-meta div b{display:block;color:#fff;font-size:15px;font-weight:600;letter-spacing:.02em;margin-bottom:4px;}
.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;}
.hero-visual svg{width:100%;max-width:520px;height:auto;}

/* ---------- 事实条 ---------- */
.facts{border-bottom:1px solid var(--line);background:#fff;}
.facts-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.facts-grid div{
  padding:34px 30px 32px;border-left:1px solid var(--line);
}
.facts-grid div:first-child{border-left:0;padding-left:0;}
.facts-grid b{display:block;font-size:16px;color:var(--ink);font-weight:600;margin-bottom:6px;}
.facts-grid span{font-size:13px;color:var(--muted);line-height:1.7;display:block;}

/* ---------- 三支柱 ---------- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin-top:56px;border:1px solid var(--line);}
.pillars > div{background:#fff;padding:34px 30px 38px;}
.pillars h3{font-size:17px;margin-bottom:12px;}
.pillars p{font-size:14.5px;line-height:1.85;color:var(--muted);}
.pillars .idx{font-size:11px;letter-spacing:.2em;color:var(--red);margin-bottom:18px;display:block;font-weight:600;}

/* ---------- 业务卡片 ---------- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.card{
  position:relative;background:#fff;border:1px solid var(--line);padding:34px 28px 36px;
  transition:border-color .3s ease,transform .3s ease,box-shadow .3s ease;
}
.card::before{
  content:"";position:absolute;top:-1px;left:-1px;right:-1px;height:2px;background:var(--red);
  transform:scaleX(0);transform-origin:left;transition:transform .4s cubic-bezier(.22,.61,.36,1);
}
.card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:0 18px 40px -24px rgba(9,24,40,.35);}
.card:hover::before{transform:scaleX(1);}
.card .num{font-size:11px;letter-spacing:.2em;color:var(--muted-2);font-weight:600;}
.card h3{font-size:19px;margin:20px 0 14px;line-height:1.45;}
.card p{font-size:14.5px;line-height:1.85;color:var(--muted);}
.card .spec{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted-2);letter-spacing:.02em;}
.card .spec b{color:var(--ink-2);font-weight:600;}
.card-link{display:block;color:inherit;}

/* ---------- 流程 ---------- */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:20px;border-top:1px solid var(--line);}
.process li{position:relative;padding:36px 26px 8px 0;border-right:1px solid var(--line);}
.process li:last-child{border-right:0;}
.process li .step{font-size:11px;letter-spacing:.2em;color:var(--red);font-weight:600;}
.process li h3{font-size:16.5px;margin:14px 0 10px;}
.process li p{font-size:13.5px;line-height:1.8;color:var(--muted);}
.process li::before{
  content:"";position:absolute;top:-4px;left:0;width:7px;height:7px;background:var(--red);border-radius:50%;
}

/* ---------- 双栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;}
.split-wide{display:grid;grid-template-columns:.95fr 1.05fr;gap:88px;align-items:center;}

/* 端侧清单 */
.ends{border-top:1px solid var(--line);}
.ends li{
  display:flex;align-items:flex-start;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);
}
.ends .tag{
  flex:none;font-size:11px;font-weight:600;letter-spacing:.14em;color:var(--red);
  border:1px solid rgba(198,47,41,.28);padding:4px 8px;margin-top:2px;min-width:66px;text-align:center;
}
.ends b{display:block;font-size:15.5px;color:var(--ink);margin-bottom:4px;}
.ends span{font-size:13.5px;color:var(--muted);line-height:1.75;}

/* ---------- 深色区块 ---------- */
.dark-band{background:var(--navy-950);color:#fff;position:relative;overflow:hidden;}
.dark-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 420px at 85% 0%, rgba(198,47,41,.15), transparent 60%);
  pointer-events:none;
}
.dark-band .section-title{color:#fff;}
.dark-band .section-lead{color:rgba(255,255,255,.66);}
.band-inner{position:relative;z-index:2;padding:96px 0;display:grid;grid-template-columns:1.15fr .85fr;gap:72px;align-items:center;}
.band-note{font-size:13.5px;color:rgba(255,255,255,.5);line-height:1.9;border-left:1px solid rgba(255,255,255,.18);padding-left:22px;}

/* ---------- 新闻 ---------- */
.news-list{border-top:1px solid var(--line);}
.news-item{
  display:grid;grid-template-columns:150px 1fr 40px;gap:28px;align-items:center;
  padding:30px 4px;border-bottom:1px solid var(--line);transition:background .3s ease,padding .3s ease;
}
.news-item:hover{background:var(--bg-soft);padding-left:16px;padding-right:16px;}
.news-item time{font-size:12.5px;letter-spacing:.08em;color:var(--muted-2);}
.news-item h3{font-size:17px;font-weight:600;line-height:1.55;}
.news-item p{font-size:13.5px;color:var(--muted);margin-top:7px;}
.news-item .arrow{color:var(--muted-2);justify-self:end;}
.news-item:hover .arrow{color:var(--red);}
.news-item .arrow svg{width:18px;height:18px;}

/* ---------- 子页头 ---------- */
.page-hero{
  background:var(--navy-950);color:#fff;position:relative;overflow:hidden;
  padding:78px 0 76px;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(760px 340px at 88% 0%, rgba(198,47,41,.18), transparent 62%),
    url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='6' height='6'%3E%3Ccircle cx='1' cy='1' r='1' fill='%23ffffff' fill-opacity='.05'/%3E%3C/svg%3E");
}
.page-hero .wrap{position:relative;z-index:2;}
.crumb{font-size:12px;letter-spacing:.1em;color:rgba(255,255,255,.45);display:flex;gap:10px;align-items:center;flex-wrap:wrap;}
.crumb a:hover{color:#fff;}
.crumb i{font-style:normal;opacity:.5;}
.page-hero h1{color:#fff;font-size:clamp(28px,3.2vw,42px);margin-top:22px;line-height:1.3;}
.page-hero .lead{margin-top:20px;max-width:700px;font-size:16px;line-height:1.9;color:rgba(255,255,255,.68);}

/* ---------- 内容排版 ---------- */
.prose p{font-size:16px;line-height:2;color:var(--ink-2);margin-bottom:22px;max-width:780px;}
.prose p:last-child{margin-bottom:0;}
.prose h3{font-size:20px;margin:44px 0 16px;}
.prose ul.list{margin:0 0 24px;}
.prose ul.list li{
  position:relative;padding-left:22px;font-size:15px;line-height:1.95;color:var(--ink-2);margin-bottom:8px;
}
.prose ul.list li::before{
  content:"";position:absolute;left:0;top:.85em;width:6px;height:1px;background:var(--red);
}
.prose blockquote{
  margin:30px 0;padding:22px 26px;background:var(--bg-soft);border-left:2px solid var(--red);
  font-size:15px;line-height:1.9;color:var(--ink-2);
}

/* 规格表 */
.spec-table{width:100%;border-collapse:collapse;margin-top:12px;}
.spec-table th,.spec-table td{
  padding:18px 20px;border-bottom:1px solid var(--line);text-align:left;font-size:14.5px;vertical-align:top;
}
.spec-table thead th{
  font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);font-weight:600;
  border-bottom:1px solid var(--line-strong);padding-bottom:14px;
}
.spec-table tbody th{color:var(--ink);font-weight:600;width:26%;}
.spec-table td{color:var(--muted);}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0;}

/* 双栏信息块 */
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);}
.info-grid > div{background:#fff;padding:32px 30px;}
.info-grid h3{font-size:16.5px;margin-bottom:12px;}
.info-grid p{font-size:14px;line-height:1.85;color:var(--muted);}
.info-grid ul li{font-size:14px;line-height:1.9;color:var(--muted);position:relative;padding-left:18px;}
.info-grid ul li::before{content:"";position:absolute;left:0;top:.8em;width:5px;height:1px;background:var(--red);}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;}
.contact-block{border-top:1px solid var(--line);}
.contact-row{display:grid;grid-template-columns:104px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);}
.contact-row dt{font-size:12px;letter-spacing:.14em;color:var(--muted-2);text-transform:uppercase;padding-top:3px;}
.contact-row dd{margin:0;font-size:15.5px;color:var(--ink);line-height:1.8;}
.contact-row dd small{display:block;font-size:13px;color:var(--muted);margin-top:3px;}

.form-field{margin-bottom:22px;}
.form-field label{display:block;font-size:12px;letter-spacing:.1em;color:var(--muted-2);margin-bottom:9px;text-transform:uppercase;}
.form-field input,.form-field select,.form-field textarea{
  width:100%;border:1px solid var(--line-strong);background:#fff;border-radius:2px;
  padding:13px 14px;font-size:15px;font-family:inherit;color:var(--ink);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--navy-900);box-shadow:0 0 0 3px rgba(10,30,51,.07);
}
.form-field textarea{min-height:132px;resize:vertical;}
.form-two{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.form-note{font-size:12.5px;color:var(--muted-2);line-height:1.8;margin-top:6px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--navy-950);color:rgba(255,255,255,.6);padding:76px 0 0;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.25fr;gap:56px;padding-bottom:58px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px;}
.footer-brand img{width:40px;height:40px;}
.footer-brand .brand-cn{color:#fff;font-size:18px;}
.footer-brand .brand-en{color:rgba(255,255,255,.52);}
.footer-desc{font-size:13.5px;line-height:1.95;max-width:300px;color:rgba(255,255,255,.5);}
.site-footer h4{color:#fff;font-size:12px;letter-spacing:.18em;text-transform:uppercase;margin-bottom:20px;font-weight:600;}
.site-footer ul li{margin-bottom:11px;}
.site-footer ul a{font-size:13.5px;color:rgba(255,255,255,.6);}
.site-footer ul a:hover{color:#fff;}
.footer-contact{font-size:13.5px;line-height:1.95;}
.footer-contact b{display:block;color:#fff;font-size:17px;font-weight:600;letter-spacing:.02em;margin-bottom:8px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:24px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.55);line-height:1.8;
}
.footer-bottom a:hover{color:#fff;}
.footer-legal{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;}


/* ---------- 变体：三列卡片 / 三列信息块 / 单列 ---------- */
.cards.cards-3{grid-template-columns:repeat(3,1fr);}
.info-grid.three{grid-template-columns:repeat(3,1fr);}
.info-grid.one{grid-template-columns:1fr;}
.info-grid.three > div{padding:32px 28px;}
@media (max-width:1024px){
  .cards.cards-3{grid-template-columns:repeat(2,1fr);}
  .info-grid.three{grid-template-columns:1fr;}
}
@media (max-width:640px){
  .cards.cards-3{grid-template-columns:1fr;}
}

/* ---------- 展开动画 ---------- */
[data-reveal]{opacity:0;transform:translateY(18px);}
.js [data-reveal]{opacity:0;transform:translateY(18px);}
html:not(.js) [data-reveal]{opacity:1;transform:none;}
[data-reveal].is-in{opacity:1;transform:none;transition:opacity .8s cubic-bezier(.22,.61,.36,1),transform .8s cubic-bezier(.22,.61,.36,1);}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  [data-reveal]{opacity:1;transform:none;}
  *{transition:none!important;animation:none!important;}
}

/* ---------- 404 ---------- */
.notfound{padding:150px 0;text-align:left;}
.notfound .code{font-size:clamp(64px,10vw,120px);line-height:1.3;padding-bottom:6px;font-weight:600;color:var(--line-strong);letter-spacing:-.03em;}
.notfound h1{font-size:clamp(24px,3vw,34px);margin-top:28px;}
.notfound p{color:var(--muted);margin-top:16px;max-width:520px;}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav{gap:24px;}
  .nav a{font-size:14px;}
  .card{padding:30px 24px 32px;}
  .split,.split-wide{gap:52px;}
  .contact-grid{gap:52px;}
}
@media (max-width:1024px){
  .nav,.header-cta .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:44px;padding:76px 0 72px;}
  .hero-visual{order:-1;max-width:400px;}
  .hero-visual svg{max-width:360px;}
  .split,.split-wide,.band-inner,.contact-grid{grid-template-columns:1fr;gap:44px;}
  .cards{grid-template-columns:repeat(2,1fr);}
  .process{grid-template-columns:1fr;border-top:0;}
  .process li{border-right:0;border-top:1px solid var(--line);padding:28px 0 24px 26px;}
  .process li::before{left:0;top:34px;}
  .pillars{grid-template-columns:1fr;}
  .facts-grid{grid-template-columns:repeat(2,1fr);}
  .facts-grid div{padding:26px 22px;border-left:1px solid var(--line);border-top:1px solid var(--line);}
  .facts-grid div:first-child,.facts-grid div:nth-child(3){border-left:1px solid var(--line);}
  .facts-grid div:nth-child(1),.facts-grid div:nth-child(2){border-top:0;}
  .facts-grid div:first-child{padding-left:22px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:40px;}
  .info-grid{grid-template-columns:1fr;}
  .band-note{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.16);padding-top:22px;}
}
@media (max-width:640px){
  .wrap,.wrap-narrow,.header-inner{padding:0 20px;}
  body{font-size:15px;}
  .section{padding:76px 0;}
  .section.tight{padding:60px 0;}
  .section-head{margin-bottom:44px;}
  .section-lead{font-size:15.5px;margin-top:18px;}
  .hero h1{font-size:clamp(28px,7.4vw,38px);}
  .hero-lead{font-size:15px;margin-top:22px;}
  .hero-meta{gap:18px 26px;margin-top:36px;}
  .cards{grid-template-columns:1fr;}
  .news-item{grid-template-columns:1fr 24px;gap:14px;align-items:start;padding:24px 0;}
  .news-item time{grid-column:1/-1;order:-1;}
  .news-item h3{font-size:16px;}
  .footer-top{grid-template-columns:1fr;gap:34px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{height:46px;padding:0 22px;font-size:14.5px;width:100%;}
  .btn-row{gap:10px;}
  .form-two{grid-template-columns:1fr;gap:0;}
  .contact-row{grid-template-columns:1fr;gap:6px;}
  .contact-row dt{padding-top:0;}
  .spec-table th,.spec-table td{padding:14px 12px;font-size:13.5px;}
  .page-hero{padding:52px 0 56px;}
  .brand-en{display:none;}
}

/* =============================================================
   内部网（gkme.org.cn）扩展样式
   ============================================================= */

.topbar{background:#061B2E;color:rgba(255,255,255,.6);font-size:12px;letter-spacing:.02em;}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;}
.topbar-l,.topbar-r{display:flex;align-items:center;gap:18px;}
.topbar a{color:rgba(255,255,255,.72);}
.topbar a:hover{color:#fff;}
.topbar .dot{width:5px;height:5px;border-radius:50%;background:#C62F29;display:inline-block;margin-right:7px;vertical-align:1px;}
.badge-int{display:inline-flex;align-items:center;gap:7px;font-size:11px;letter-spacing:.16em;border:1px solid rgba(255,255,255,.28);padding:5px 10px;color:rgba(255,255,255,.8);}

.entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.entry{position:relative;display:block;border:1px solid var(--line);background:#fff;padding:38px 34px 34px;transition:.3s;}
.entry:hover{border-color:var(--navy-900);box-shadow:0 18px 40px -26px rgba(9,24,40,.4);}
.entry .k{font-size:11px;letter-spacing:.2em;color:var(--red);font-weight:600;}
.entry h3{font-size:22px;margin:16px 0 10px;}
.entry p{font-size:14px;color:var(--muted);line-height:1.85;max-width:420px;}
.entry .go{margin-top:24px;display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--ink);}
.entry .go svg{width:14px;height:14px;}
.entry:hover .go{color:var(--red);}
.entry.dark{background:var(--navy-950);border-color:transparent;}
.entry.dark h3{color:#fff;}
.entry.dark p{color:rgba(255,255,255,.6);}
.entry.dark .k{color:#EF7C76;}
.entry.dark .go{color:#fff;}

.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.quick{background:#fff;padding:26px 24px;transition:.25s;display:block;}
.quick:hover{background:var(--bg-soft);}
.quick b{display:block;font-size:15.5px;color:var(--ink);margin-bottom:8px;}
.quick span{font-size:13px;color:var(--muted);line-height:1.75;display:block;}
.quick i{font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--muted-2);display:block;margin-bottom:14px;}

.notice-list{border-top:1px solid var(--line);}
.notice{display:grid;grid-template-columns:112px 1fr;gap:20px;padding:20px 2px;border-bottom:1px solid var(--line);align-items:baseline;}
.notice time{font-size:12.5px;color:var(--muted-2);letter-spacing:.06em;}
.notice b{font-size:15px;font-weight:600;color:var(--ink);}
.notice span{font-size:13px;color:var(--muted);display:block;margin-top:5px;line-height:1.75;}

.dl-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.dl-card{border:1px solid var(--line);background:#fff;padding:32px 30px;}
.dl-card h3{font-size:19px;margin-bottom:8px;}
.dl-card .ver{font-size:12px;letter-spacing:.1em;color:var(--muted-2);margin-bottom:18px;}
.dl-card p{font-size:13.5px;color:var(--muted);line-height:1.85;margin-bottom:20px;}
.dl-row{display:flex;flex-wrap:wrap;gap:10px;}
.dl-btn{display:inline-flex;align-items:center;gap:9px;border:1px solid var(--line-strong);padding:11px 16px;font-size:13.5px;font-weight:600;color:var(--ink);transition:.25s;}
.dl-btn:hover{background:var(--navy-900);border-color:var(--navy-900);color:#fff;}
.dl-btn.solid{background:var(--red);border-color:var(--red);color:#fff;}
.dl-btn.solid:hover{background:var(--red-600);border-color:var(--red-600);}
.dl-btn.disabled{opacity:.45;pointer-events:none;}

.qr-block{display:flex;gap:26px;align-items:center;padding:26px;background:var(--bg-soft);border:1px solid var(--line);}
.qr-block img{width:132px;height:132px;background:#fff;padding:6px;border:1px solid var(--line);}
.qr-block b{display:block;font-size:15px;color:var(--ink);margin-bottom:8px;}
.qr-block span{font-size:13px;color:var(--muted);line-height:1.8;display:block;}

.steps{counter-reset:s;border-top:1px solid var(--line);}
.steps > div{counter-increment:s;position:relative;padding:20px 0 20px 44px;border-bottom:1px solid var(--line);}
.steps > div::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:22px;font-size:11px;letter-spacing:.14em;color:var(--red);font-weight:600;}
.steps b{display:block;font-size:15px;color:var(--ink);margin-bottom:6px;}
.steps p{font-size:13.5px;color:var(--muted);line-height:1.8;}

.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;background:var(--bg-soft);border:1px solid var(--line);padding:2px 6px;}

@media (max-width:1024px){
  .entry-grid,.dl-grid{grid-template-columns:1fr;}
  .quick-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .quick-grid{grid-template-columns:1fr;}
  .notice{grid-template-columns:1fr;gap:6px;}
  .qr-block{flex-direction:column;align-items:flex-start;}
  .topbar .wrap{height:auto;padding:8px 20px;flex-wrap:wrap;}
}

/* =============================================================
   门禁页（access.html）
   ============================================================= */
.gate-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start;}
.gate-card{border:1px solid var(--line);background:#fff;padding:38px 34px 34px;}
.gate-card.soft{background:var(--bg-soft);}
.gate-title{font-size:26px;margin:0 0 14px;letter-spacing:-.01em;}
.gate-lead{font-size:14.5px;line-height:1.9;color:var(--muted);margin-bottom:26px;max-width:460px;}
.gate-card .form-field{margin-bottom:18px;}
.gate-card .btn{width:100%;}
.session-bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  border:1px solid #BFD8C7;background:#F2F8F4;padding:20px 24px;margin-bottom:26px;
}
.session-bar b{display:block;font-size:15px;color:#1D7A46;margin-bottom:4px;}
.session-bar span{font-size:13px;color:var(--muted);}
.session-actions{display:flex;gap:10px;flex-wrap:wrap;}
.session-actions .btn{width:auto;height:42px;padding:0 18px;font-size:13.5px;}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;background:#fff;border:1px solid var(--line);padding:2px 6px;}

@media (max-width:1024px){
  .gate-grid{grid-template-columns:1fr;}
}
@media (max-width:640px){
  .gate-card{padding:28px 22px 26px;}
  .gate-title{font-size:22px;}
}

/* ---------- 两行品牌字（研究院全称） ---------- */
.brand-stack .brand-cn{font-size:14px;line-height:1.32;letter-spacing:.06em;white-space:normal;}
.brand-stack .brand-en{margin-top:5px;font-size:7px;letter-spacing:.1em;}
.brand-stack{gap:11px;}
@media (max-width:640px){
  .brand-stack .brand-cn{font-size:13px;}
}

/* ---------- 纯文字品牌（研究院，不用图标） ---------- */
.brand-textonly{gap:0;}
.brand-textonly{display:flex;align-items:center;}
.brand-textonly .brand-cn{font-size:15px;letter-spacing:.05em;line-height:1.26;}
.brand-textonly .brand-en{margin-top:5px;font-size:7px;line-height:1.2;letter-spacing:.1em;color:var(--muted-2);}
.footer-brand .brand-cn{font-size:16px;}
.footer-brand .brand-en{color:rgba(255,255,255,.52);}
@media (max-width:640px){
  .brand-textonly .brand-cn{font-size:14px;}
  .brand-textonly .brand-en{display:none;}
}

/* =============================================================
   V3 主题：第一版的深色骨架 + Google 四色 + 爱马仕橙大块
   （蓝为主结构，红/黄/绿做点缀与强调，橙做两个大色块）
   ============================================================= */
:root{
  --g-blue:#1A73E8; --g-blue-700:#1967D2; --g-blue-900:#174EA6; --g-blue-050:#E8F0FE; --g-blue-100:#D2E3FC;
  --g-red:#EA4335; --g-yellow:#FBBC05; --g-green:#34A853;
  --orange:#F37021; --orange-600:#D95C10; --orange-050:#FFF1E6;

  --navy-950:#0E2A55; --navy-900:#174EA6; --navy-800:#1A73E8; --navy-700:#4285F4;
  --red:#D93025; --red-600:#B3261E; --red-100:#FDEDEB;
  --ink:#202124; --ink-2:#3C4043; --muted:#5F6368; --muted-2:#6A6F74;
  --line:#DADCE0; --line-strong:#BDC1C6; --bg-soft:#F8F9FA;
}

/* ---------- 顶栏 + 头部：四色细条 ---------- */
.topbar{background:#202124;color:rgba(255,255,255,.72);}
.topbar a{color:rgba(255,255,255,.86);}
.topbar a:hover{color:#8AB4F8;}
.topbar .dot{background:var(--g-yellow);}
.site-header{position:sticky;}
.site-header::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;z-index:2;
  background:linear-gradient(90deg,var(--g-blue) 0 25%,var(--g-red) 25% 50%,var(--g-yellow) 50% 75%,var(--g-green) 75% 100%);
}

/* ---------- 首屏：Google 蓝渐变 ---------- */
.hero{background:linear-gradient(135deg,#0B2246 0%,#15408C 62%,#1967D2 100%);color:#FFFFFF;}
.hero::after{
  background:
    radial-gradient(900px 460px at 84% -14%, rgba(251,188,5,.24), transparent 60%),
    radial-gradient(720px 420px at 4% 110%, rgba(52,168,83,.22), transparent 66%),
    radial-gradient(620px 400px at 94% 106%, rgba(234,67,53,.24), transparent 68%);
}
.hero h1{color:#FFFFFF;}
.hero h1 em{color:#FFFFFF;border-bottom-color:var(--g-yellow);}
.hero-lead{color:rgba(255,255,255,.92);}
.hero-meta{border-top:1px solid rgba(255,255,255,.20);}
.hero-meta div{color:rgba(255,255,255,.66);}
.hero-meta div b{color:#FFFFFF;}
.eyebrow.on-dark{color:var(--g-yellow);}
.eyebrow.on-dark::before{background:var(--g-yellow);}

/* ---------- 子页头 ---------- */
.page-hero{background:linear-gradient(135deg,#0E2A55 0%,#174EA6 100%);color:#FFFFFF;}
.page-hero::after{
  background:
    radial-gradient(720px 340px at 90% -6%, rgba(251,188,5,.20), transparent 62%),
    radial-gradient(520px 300px at 6% 108%, rgba(52,168,83,.18), transparent 70%);
}
.page-hero h1{color:#FFFFFF;}
.page-hero .lead{color:rgba(255,255,255,.84);}
.crumb{color:rgba(255,255,255,.60);}
.crumb a:hover{color:#FFFFFF;}

/* ---------- 事实条：爱马仕橙大块（深字） ---------- */
.facts{background:var(--orange);border-bottom:0;}
.facts-grid div{border-left:1px solid rgba(32,33,36,.16);}
.facts-grid div:first-child{border-left:0;}
.facts-grid b{color:#202124;}
.facts-grid span{color:rgba(32,33,36,.88);}

/* ---------- CTA 区块：爱马仕橙大块（深字 + 黑按钮） ---------- */
.dark-band{background:var(--orange);}
.dark-band::after{background:radial-gradient(760px 380px at 88% -10%, rgba(255,255,255,.30), transparent 62%);}
.dark-band .section-title{color:#202124;}
.dark-band .section-lead{color:rgba(32,33,36,.88);}
.dark-band .eyebrow.on-dark{color:#202124;}
.dark-band .eyebrow.on-dark::before{background:#202124;}
.band-note{color:rgba(32,33,36,.88);border-left-color:rgba(32,33,36,.32);}
.dark-band .btn-primary{background:#202124;color:#FFFFFF;}
.dark-band .btn-primary:hover{background:#000000;}
.dark-band .btn-ghost{border-color:rgba(32,33,36,.45);color:#202124;}
.dark-band .btn-ghost:hover{background:rgba(32,33,36,.08);border-color:#202124;color:#202124;}

/* ---------- 页脚：Google 深灰 + 四色顶条 ---------- */
.site-footer{background:#202124;color:rgba(255,255,255,.72);border-top:0;position:relative;padding-top:78px;}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--g-blue) 0 25%,var(--g-red) 25% 50%,var(--g-yellow) 50% 75%,var(--g-green) 75% 100%);
}
.site-footer h4{color:#FFFFFF;}
.site-footer ul a{color:rgba(255,255,255,.72);}
.site-footer ul a:hover{color:#8AB4F8;}
.footer-desc{color:rgba(255,255,255,.68);}
.footer-brand .brand-cn{color:#FFFFFF;}
.footer-brand .brand-en{color:rgba(255,255,255,.5);}
.footer-contact b{color:#FFFFFF;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.56);}
.footer-bottom a:hover{color:#8AB4F8;}

/* ---------- 按钮 / 强调 ---------- */
.btn-primary{background:var(--g-blue);color:#FFFFFF;}
.btn-primary:hover{background:var(--g-blue-700);}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#FFFFFF;}
.btn-ghost:hover{border-color:#FFFFFF;background:rgba(255,255,255,.12);}
.btn-outline{border-color:var(--line-strong);color:var(--ink);}
.btn-outline:hover{background:var(--g-blue);border-color:var(--g-blue);color:#FFFFFF;}
.nav a::after{background:var(--g-blue);}
.nav a.active{color:var(--g-blue);}
.card .num{color:var(--g-blue);}
.card::before{background:var(--g-blue);}
.card:hover{border-color:var(--g-blue-100);box-shadow:0 18px 40px -26px rgba(26,115,232,.45);}
.pillars .idx{color:var(--g-blue);}
.process li::before{background:var(--g-blue);}
.process li .step{color:var(--g-blue);}
.link-arrow:hover{color:var(--g-blue-700);}
.news-item:hover .arrow{color:var(--g-blue);}
.ends .tag{color:var(--g-blue-700);border-color:var(--g-blue-100);}
.prose ul.list li::before{background:var(--g-blue);}
.prose blockquote{border-left-color:var(--g-blue);background:#F1F6FE;}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--g-blue);box-shadow:0 0 0 3px rgba(26,115,232,.15);}

/* ---------- 内部网/门禁页微调 ---------- */
.entry.dark{background:var(--navy-950);border-color:transparent;}
.entry.dark h3{color:#FFFFFF;}
.entry.dark p{color:rgba(255,255,255,.72);}
.entry.dark .k{color:var(--g-yellow);}
.entry.dark .go{color:#8AB4F8;}
.entry:hover{border-color:var(--g-blue);box-shadow:0 18px 40px -26px rgba(26,115,232,.4);}
.quick:hover{background:var(--g-blue-050);}
.dl-btn:hover{background:var(--g-blue);border-color:var(--g-blue);color:#FFFFFF;}
.dl-btn.solid{background:var(--g-blue);border-color:var(--g-blue);}
.dl-btn.solid:hover{background:var(--g-blue-700);border-color:var(--g-blue-700);}
.steps > div::before{color:var(--g-blue);}
.session-bar{border-color:#CEEAD6;background:#F1F8F4;}
.dark-band .btn-ghost{border-color:rgba(32,33,36,.45);color:#202124;}

/* =============================================================
   V3.1 推一格：四色更外露
   ============================================================= */
/* 头尾四色条加宽到 6px */
.site-header::before,.site-footer::before{height:6px;}
.site-footer{padding-top:84px;}

/* 首屏标题里的关键词点亮成黄色 */
.hero h1 em{color:var(--g-yellow);border-bottom:2px solid rgba(251,188,5,.55);}

/* 眉标前的短线换成四色小条 */
.eyebrow::before{
  width:30px;height:3px;border-radius:0;
  background:linear-gradient(90deg,var(--g-blue) 0 25%,var(--g-red) 25% 50%,var(--g-yellow) 50% 75%,var(--g-green) 75% 100%);
}
.eyebrow.on-dark::before{
  background:linear-gradient(90deg,var(--g-blue) 0 25%,var(--g-red) 25% 50%,var(--g-yellow) 50% 75%,var(--g-green) 75% 100%);
}

/* 导航当前项的下划线也四色 */
.nav a::after{
  background:linear-gradient(90deg,var(--g-blue) 0 25%,var(--g-red) 25% 50%,var(--g-yellow) 50% 75%,var(--g-green) 75% 100%);
  height:2.5px;
}

/* 卡片 hover 的顶部线四色 */
.card::before{
  background:linear-gradient(90deg,var(--g-blue) 0 25%,var(--g-red) 25% 50%,var(--g-yellow) 50% 75%,var(--g-green) 75% 100%);
  height:2.5px;
}

/* 事实条上沿加一条四色细线，压住橙色 */
.facts{position:relative;}
.facts::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:linear-gradient(90deg,var(--g-blue) 0 25%,var(--g-red) 25% 50%,var(--g-yellow) 50% 75%,var(--g-green) 75% 100%);
}

/* CTA 区块也给一条四色上沿 */
.dark-band{position:relative;}
.dark-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;z-index:3;
  background:linear-gradient(90deg,var(--g-blue) 0 25%,var(--g-red) 25% 50%,var(--g-yellow) 50% 75%,var(--g-green) 75% 100%);
}

/* ---------- 下载页三列 ---------- */
.dl-grid.three{grid-template-columns:repeat(3,1fr);}
.dl-grid.four{grid-template-columns:repeat(4,1fr);}
@media (max-width:1180px){.dl-grid.four{grid-template-columns:repeat(2,1fr);}}
@media (max-width:1024px){.dl-grid.three{grid-template-columns:1fr;}}
@media (max-width:640px){.dl-grid.four{grid-template-columns:1fr;}}

/* ---------- 下载中心两列 ---------- */
.dl-grid.two{grid-template-columns:repeat(2,1fr);gap:22px;}
@media (max-width:900px){.dl-grid.two{grid-template-columns:1fr;}}