/* ===== 数研医疗官网样式 ===== */
:root{
  --primary:#0B5E7E;
  --primary-dark:#084A63;
  --teal:#0E8C8C;
  --teal-light:#1FB6B6;
  --ink:#16303E;
  --ink-2:#45606E;
  --line:#E2EAEF;
  --bg:#FFFFFF;
  --bg-alt:#F4F8FA;
  --bg-dark:#0D2432;
  --radius:14px;
  --shadow:0 10px 30px rgba(11,94,126,.08);
  --shadow-lg:0 18px 50px rgba(11,94,126,.14);
  --font:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,"Hiragino Sans GB",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5{line-height:1.35;font-weight:700}
a{text-decoration:none;color:inherit}
.container{max-width:1180px;margin:0 auto;padding:0 24px}

/* ===== 导航 ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .3s,box-shadow .3s;background:transparent}
.nav.scrolled{background:rgba(255,255,255,.96);box-shadow:0 2px 16px rgba(11,94,126,.10);backdrop-filter:blur(8px)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:38px;height:38px;border-radius:9px;background:linear-gradient(135deg,var(--primary),var(--teal));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:19px;flex:none}
.brand-text{font-weight:700;font-size:17px;color:#fff;line-height:1.2;display:flex;flex-direction:column}
.brand-text small{font-size:10px;font-weight:400;opacity:.75;letter-spacing:.02em}
.nav.scrolled .brand-text{color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-size:14.5px;color:rgba(255,255,255,.92);transition:color .2s}
.nav-links a:hover{color:var(--teal-light)}
.nav.scrolled .nav-links a{color:var(--ink-2)}
.nav.scrolled .nav-links a:hover{color:var(--primary)}
.nav-cta{background:linear-gradient(135deg,var(--primary),var(--teal));color:#fff!important;padding:8px 18px;border-radius:999px;font-weight:600}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.nav.scrolled .nav-toggle span{background:var(--ink)}

/* ===== Hero ===== */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg svg{width:100%;height:100%;display:block}
.hero-content{position:relative;padding-top:110px;padding-bottom:80px}
.hero-eyebrow{font-size:15px;letter-spacing:.12em;opacity:.85;margin-bottom:18px}
.hero-title{font-size:clamp(30px,5vw,54px);font-weight:800;letter-spacing:.01em}
.hero-title em{font-style:normal;background:linear-gradient(90deg,#7FE3E3,#C8F6D8);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:22px;font-size:clamp(15px,1.8vw,18px);opacity:.92;max-width:760px}
.hero-actions{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 30px;border-radius:999px;font-weight:600;font-size:15px;transition:transform .2s,box-shadow .2s,background .2s;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,#12A5A5,#0E8C8C);color:#fff;box-shadow:0 8px 24px rgba(14,140,140,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(14,140,140,.45)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-ghost.light{border-color:rgba(255,255,255,.6)}
.hero-tags{display:flex;gap:10px;margin-top:44px;flex-wrap:wrap}
.hero-tags span{border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:5px 16px;font-size:13px;opacity:.85}

/* Hero 入场动画 */
.fade-up{opacity:0;transform:translateY(24px);animation:fadeUp .8s ease forwards}
.fade-up.d1{animation-delay:.12s}.fade-up.d2{animation-delay:.26s}.fade-up.d3{animation-delay:.4s}.fade-up.d4{animation-delay:.55s}
@keyframes fadeUp{to{opacity:1;transform:none}}

/* ===== 通用区块 ===== */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:var(--bg-dark);color:#E6F0F4}
.section-dark .lead{color:#9FB8C4}
.section-head{max-width:820px;margin:0 auto 56px;text-align:center}
.eyebrow{color:var(--teal);font-weight:700;letter-spacing:.16em;font-size:13px;text-transform:uppercase;margin-bottom:12px}
.section-head h2{font-size:clamp(24px,3.4vw,36px);margin-bottom:16px}
.lead{color:var(--ink-2);font-size:16px}

.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-5{grid-template-columns:repeat(5,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}

/* 核心主张 */
.value-card{position:relative;overflow:hidden}
.value-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--primary),var(--teal-light))}
.value-num{font-size:13px;font-weight:800;color:var(--teal);letter-spacing:.1em;margin-bottom:8px}
.value-card h3{font-size:19px;margin-bottom:10px}
.value-card p{color:var(--ink-2);font-size:14.5px}

/* ===== 产品矩阵 ===== */
.product-tabs{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:40px}
.tab-btn{border:1.5px solid var(--line);background:#fff;color:var(--ink-2);padding:11px 22px;border-radius:999px;font-size:14.5px;font-weight:600;cursor:pointer;transition:.25s;font-family:var(--font)}
.tab-btn:hover{border-color:var(--teal);color:var(--teal)}
.tab-btn.active{background:linear-gradient(135deg,var(--primary),var(--teal));border-color:transparent;color:#fff;box-shadow:0 8px 20px rgba(11,94,126,.25)}
.tab-panel{display:none}
.tab-panel.active{display:block;animation:panelIn .4s ease}
@keyframes panelIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.panel-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:20px;padding:44px;box-shadow:var(--shadow)}
.tag{display:inline-block;background:rgba(14,140,140,.1);color:var(--teal);font-size:12.5px;font-weight:700;padding:4px 14px;border-radius:999px;margin-bottom:14px}
.panel-intro h3{font-size:26px;margin-bottom:8px}
.slogan{color:var(--teal);font-weight:700;font-size:15px;margin-bottom:14px}
.panel-intro>p{color:var(--ink-2);font-size:15px;margin-bottom:20px}
.check-list{list-style:none}
.check-list li{position:relative;padding:6px 0 6px 28px;font-size:14.5px;color:var(--ink)}
.check-list li::before{content:"";position:absolute;left:0;top:13px;width:16px;height:16px;border-radius:50%;background:rgba(14,140,140,.14)}
.check-list li::after{content:"";position:absolute;left:5px;top:16px;width:6px;height:9px;border:solid var(--teal);border-width:0 2px 2px 0;transform:rotate(40deg)}

/* 面板可视化 */
.panel-visual{min-height:320px;border-radius:16px;background:linear-gradient(150deg,#0E4C66,#0E8C8C);position:relative;display:flex;flex-wrap:wrap;gap:12px;align-content:center;justify-content:center;padding:36px;overflow:hidden}
.panel-visual::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 15%,rgba(127,227,227,.28),transparent 55%)}
.vis-chip{position:relative;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);color:#fff;font-size:13px;padding:7px 16px;border-radius:999px;backdrop-filter:blur(4px)}
.vis-core{position:relative;width:100%;text-align:center;color:#fff;font-weight:800;font-size:26px;letter-spacing:.08em;margin:10px 0}
/* 语料库漏斗 */
.funnel{position:relative;width:100%;display:flex;flex-direction:column;gap:10px}
.funnel-layer{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);border-radius:10px;color:#fff;padding:12px 16px;font-weight:700;font-size:14.5px;display:flex;flex-direction:column}
.funnel-layer span{font-weight:400;font-size:12px;opacity:.8}
.funnel-layer.l1{width:100%}.funnel-layer.l2{width:84%;margin:0 auto}.funnel-layer.l3{width:66%;margin:0 auto;background:rgba(127,227,227,.22)}
.funnel-back{text-align:center;color:#C8F6D8;font-size:12.5px;margin-top:6px}
/* 项目管理流程 */
.flow{position:relative;display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center}
.flow span{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);color:#fff;font-size:12.5px;padding:5px 13px;border-radius:999px}
.flow i{width:14px;height:2px;background:rgba(255,255,255,.4)}
/* 大数据来源 */
.sources{position:relative;width:100%;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.sources span{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);color:#fff;font-size:12.5px;padding:5px 13px;border-radius:8px}

/* ===== 协同闭环 ===== */
.role-card{position:relative}
.role-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--primary);background:rgba(11,94,126,.08);border-radius:6px;padding:3px 10px;margin-bottom:12px}
.role-card h4{font-size:16.5px;margin-bottom:8px}
.role-card p{font-size:13.5px;color:var(--ink-2)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:52px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.step{padding:30px 28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .25s}
.step:hover{background:var(--bg-alt)}
.step:nth-child(3n){border-right:0}
.step:nth-child(n+4){border-bottom:0}
.step em{font-style:normal;font-weight:800;color:var(--teal);font-size:13px;letter-spacing:.1em}
.step h4{margin:8px 0 8px;font-size:16.5px}
.step p{font-size:13.5px;color:var(--ink-2)}

/* ===== 架构蓝图 ===== */
.blueprint-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.bp-card{background:#123142;border-color:#1E4457;color:#E6F0F4;box-shadow:none}
.bp-card h3{font-size:20px;margin-bottom:6px}
.bp-sub{color:#8FAFBE;font-size:13.5px;margin-bottom:22px}
.bp-funnel{display:flex;flex-direction:column;gap:10px}
.bp-layer{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:13px 16px;display:flex;flex-direction:column;gap:3px}
.bp-layer strong{font-size:14.5px}
.bp-layer span{font-size:12.5px;color:#9FB8C4}
.bp-layer b{align-self:flex-start;margin-top:5px;font-size:11px;color:#7FE3E3;background:rgba(127,227,227,.12);border-radius:5px;padding:2px 9px;letter-spacing:.04em}
.bp-layer:nth-child(2){margin:0 4%}
.bp-layer:nth-child(3){margin:0 9%}
.bp-layer:nth-child(4){margin:0 15%;border-color:rgba(127,227,227,.35)}
.bp-note{margin-top:18px;font-size:12.5px;color:#8FAFBE;border-top:1px dashed rgba(255,255,255,.15);padding-top:14px}
.bp-quad{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.bp-q{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:14px 16px}
.bp-q strong{display:block;font-size:14px;margin-bottom:5px;color:#BFE9E9}
.bp-q span{font-size:12px;color:#9FB8C4;line-height:1.6}
.bp-flow{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:#7FE3E3}
.bp-flow span{background:rgba(127,227,227,.1);border:1px solid rgba(127,227,227,.3);border-radius:999px;padding:4px 13px;font-size:12.5px}

/* ===== 技术底座 ===== */
.tech-card{padding:22px}
.tech-card h4{font-size:16px;margin-bottom:8px;color:var(--primary)}
.tech-card p{font-size:13px;color:var(--ink-2)}

/* ===== 合规 ===== */
.compliance-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.compliance-grid h3{font-size:19px;margin-bottom:18px}
.std-list{list-style:none}
.std-list li{padding:9px 0 9px 24px;position:relative;font-size:14.5px;border-bottom:1px dashed var(--line)}
.std-list li:last-child{border-bottom:0}
.std-list li::before{content:"";position:absolute;left:0;top:16px;width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--teal-light))}
.protect-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.protect-grid>div{background:var(--bg-alt);border-radius:10px;padding:16px}
.protect-grid h4{font-size:15px;color:var(--primary);margin-bottom:5px}
.protect-grid p{font-size:12.5px;color:var(--ink-2)}

/* ===== CTA ===== */
.section-cta{background:linear-gradient(135deg,var(--primary-dark),var(--teal));color:#fff;text-align:center;padding:88px 0}
.cta-inner h2{font-size:clamp(24px,3.4vw,34px);margin-bottom:14px}
.cta-inner p{opacity:.9;margin-bottom:32px}
.section-cta .hero-actions{justify-content:center}

/* ===== 页脚 ===== */
.footer{background:var(--bg-dark);color:#9FB8C4}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding:64px 24px 44px}
.footer-brand p{font-size:13px;margin-top:14px;line-height:1.8}
.footer-brand .brand-text{color:#fff;font-size:16px}
.footer h5{color:#fff;font-size:14.5px;margin-bottom:14px}
.footer-col a{display:block;font-size:13.5px;padding:4px 0;transition:color .2s}
.footer-col a:hover{color:#7FE3E3}
.footer-col p{font-size:13.5px;padding:4px 0}
.footer-bar{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;font-size:12.5px;text-align:center}
.footer-bar .beian{margin-top:6px}
.footer-bar .beian a{color:#7E9BA9;transition:color .2s}
.footer-bar .beian a:hover{color:#7FE3E3}

/* ===== 滚动显现动画 ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .grid-5{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .panel-grid{grid-template-columns:1fr;padding:32px}
  .blueprint-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(3n){border-right:1px solid var(--line)}
  .step:nth-child(2n){border-right:0}
  .step:nth-child(n+4){border-bottom:1px solid var(--line)}
  .step:nth-child(n+5){border-bottom:0}
}
@media(max-width:720px){
  .nav-links{position:fixed;top:68px;right:0;left:0;background:#fff;flex-direction:column;align-items:stretch;padding:16px 24px 24px;gap:4px;box-shadow:0 14px 30px rgba(11,94,126,.15);transform:translateY(-8px);opacity:0;pointer-events:none;transition:.25s}
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-links a{color:var(--ink-2)!important;padding:10px 4px;border-bottom:1px solid var(--line)}
  .nav-links a.nav-cta{border:0;text-align:center;margin-top:10px;color:#fff!important}
  .nav-toggle{display:flex}
  .nav-inner{height:64px}
  .nav-links{top:64px}
  .section{padding:64px 0}
  .grid-3,.grid-5{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step{border-right:0!important;border-bottom:1px solid var(--line)!important}
  .step:last-child{border-bottom:0!important}
  .compliance-grid{grid-template-columns:1fr}
  .protect-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:26px}
  .hero{min-height:auto;padding:40px 0}
  .hero-content{padding-top:120px}
  .bp-quad{grid-template-columns:1fr}
}