/* ============ 设计变量：主色调与参考站一致的医疗蓝 ============ */
:root{
  --primary:#0B6BB5;          /* 主色：医疗蓝 */
  --primary-dark:#085089;     /* 深蓝：悬停/标题 */
  --primary-light:#E8F2FB;    /* 浅蓝：区块背景 */
  --accent:#FF7A45;           /* 点缀色：橙（按钮强调/价格） */
  --accent-dark:#E8642E;
  --text:#1F2D3D;
  --text-sub:#5A6B7B;
  --text-light:#8A99A8;
  --line:#E4EAF0;
  --bg:#FFFFFF;
  --bg-soft:#F6F9FC;
  --radius:12px;
  --radius-lg:20px;
  --shadow-sm:0 2px 8px rgba(11,107,181,.06);
  --shadow:0 8px 28px rgba(11,107,181,.10);
  --shadow-lg:0 16px 48px rgba(11,107,181,.16);
  --max:1200px;
  --nav-h:68px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  font-size:16px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
h1,h2,h3,h4{line-height:1.35;font-weight:700;color:var(--text);}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}
.section{padding:80px 0;}
.section--soft{background:var(--bg-soft);}
.section--light{background:var(--primary-light);}

/* ============ 通用文字样式 ============ */
.sec-head{text-align:center;max-width:680px;margin:0 auto 52px;}
.sec-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:2px;
  color:var(--primary);background:var(--primary-light);
  padding:5px 14px;border-radius:100px;margin-bottom:16px;
}
.sec-head h2{font-size:clamp(24px,3.6vw,34px);margin-bottom:14px;letter-spacing:-.3px;}
.sec-head p{color:var(--text-sub);font-size:clamp(14px,1.6vw,16px);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:100px;font-size:15px;font-weight:600;
  transition:all .22s ease;white-space:nowrap;
}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(11,107,181,.28);}
.btn--primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(11,107,181,.34);}
.btn--accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,122,69,.3);}
.btn--accent:hover{background:var(--accent-dark);transform:translateY(-2px);}
.btn--ghost{background:#fff;color:var(--primary);border:1.5px solid var(--primary);}
.btn--ghost:hover{background:var(--primary-light);}
.btn--block{width:100%;}
.btn svg{width:18px;height:18px;flex:none;}

/* ============ 顶部导航 ============ */
.header{
  position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{
  height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo__mark{
  width:38px;height:38px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,var(--primary),#3E9BD8);
  display:grid;place-items:center;color:#fff;
  box-shadow:0 4px 12px rgba(11,107,181,.28);
}
.logo__mark svg{width:21px;height:21px;}
.logo__text{display:flex;flex-direction:column;line-height:1.15;}
.logo__text b{font-size:17px;letter-spacing:.5px;color:var(--primary-dark);}
.logo__text span{font-size:11px;color:var(--text-light);letter-spacing:1.5px;}

.nav__menu{display:flex;align-items:center;gap:4px;}
.nav__menu a{
  padding:9px 14px;border-radius:8px;font-size:15px;font-weight:500;
  color:var(--text-sub);transition:all .18s;
}
.nav__menu a:hover{color:var(--primary);background:var(--primary-light);}
.nav__actions{display:flex;align-items:center;gap:10px;flex:none;}
.nav__phone{display:flex;align-items:center;gap:6px;font-weight:700;color:var(--primary);font-size:15px;}
.nav__phone svg{width:17px;height:17px;}

.nav__toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  align-items:center;justify-content:center;color:var(--primary);
  border:1px solid var(--line);
}
.nav__toggle svg{width:22px;height:22px;}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:var(--nav-h) 0 0;z-index:999;
  background:#fff;padding:20px;overflow-y:auto;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);
}
.drawer.is-open{transform:translateX(0);}
.drawer a{
  display:block;padding:15px 12px;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:500;color:var(--text);
}
.drawer a:hover{color:var(--primary);background:var(--bg-soft);}
.drawer .btn{margin-top:20px;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,#EAF3FB 0%,#F8FBFE 55%,#FFFFFF 100%);
  padding:clamp(48px,7vw,88px) 0 clamp(56px,7vw,92px);
}
.hero::before{
  content:"";position:absolute;top:-160px;right:-140px;
  width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(11,107,181,.13),transparent 68%);
}
.hero::after{
  content:"";position:absolute;bottom:-200px;left:-160px;
  width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,69,.10),transparent 68%);
}
.hero__inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;
}
.hero__badge{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:100px;
  padding:7px 16px 7px 8px;font-size:13px;font-weight:600;color:var(--primary-dark);
  box-shadow:var(--shadow-sm);margin-bottom:22px;
}
.hero__badge i{
  font-style:normal;background:var(--primary-light);color:var(--primary);
  padding:2px 9px;border-radius:100px;font-size:11px;letter-spacing:.5px;
}
.hero h1{
  font-size:clamp(28px,4.6vw,50px);line-height:1.22;
  letter-spacing:-1px;margin-bottom:20px;
}
.hero h1 em{
  font-style:normal;color:var(--primary);
  background:linear-gradient(180deg,transparent 62%,rgba(11,107,181,.16) 62%);
}
.hero__desc{
  font-size:clamp(15px,1.7vw,17px);color:var(--text-sub);
  max-width:520px;margin-bottom:32px;
}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero__trust{
  display:flex;flex-wrap:wrap;gap:10px 26px;
  font-size:13.5px;color:var(--text-sub);
}
.hero__trust span{display:flex;align-items:center;gap:7px;}
.hero__trust svg{width:16px;height:16px;color:var(--primary);flex:none;}

/* Hero 右侧服务卡 */
.hero__card{
  background:#fff;border-radius:var(--radius-lg);padding:26px;
  box-shadow:var(--shadow-lg);border:1px solid rgba(11,107,181,.08);
}
.hero__card h3{font-size:17px;margin-bottom:4px;}
.hero__card > p{font-size:13px;color:var(--text-light);margin-bottom:20px;}
.quick-list{display:flex;flex-direction:column;gap:12px;margin-bottom:22px;}
.quick-item{
  display:flex;align-items:center;gap:13px;padding:13px 15px;
  background:var(--bg-soft);border-radius:var(--radius);
  border:1px solid transparent;transition:all .2s;cursor:pointer;
}
.quick-item:hover{background:var(--primary-light);border-color:rgba(11,107,181,.2);transform:translateX(3px);}
.quick-item__ico{
  width:38px;height:38px;border-radius:10px;flex:none;
  background:#fff;display:grid;place-items:center;color:var(--primary);
  box-shadow:var(--shadow-sm);
}
.quick-item__ico svg{width:19px;height:19px;}
.quick-item__txt b{display:block;font-size:14.5px;margin-bottom:1px;}
.quick-item__txt small{font-size:12px;color:var(--text-light);}
.quick-item__price{margin-left:auto;font-weight:700;color:var(--accent);font-size:14px;white-space:nowrap;}
.quick-item__price small{font-weight:500;font-size:11px;color:var(--text-light);}

/* ============ 数据条 ============ */
.stats{
  background:var(--primary);color:#fff;
  padding:34px 0;
}
.stats__grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;
}
.stats__num{
  font-size:clamp(24px,3.4vw,34px);font-weight:800;letter-spacing:-.5px;line-height:1.2;
}
.stats__num small{font-size:.5em;font-weight:600;margin-left:2px;}
.stats__label{font-size:13px;opacity:.82;margin-top:4px;}

/* ============ 服务卡片 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}

.svc{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px;transition:all .28s ease;position:relative;overflow:hidden;
}
.svc::after{
  content:"";position:absolute;left:0;top:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transition:width .35s ease;
}
.svc:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(11,107,181,.2);}
.svc:hover::after{width:100%;}
.svc__ico{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:var(--primary-light);color:var(--primary);margin-bottom:18px;
}
.svc__ico svg{width:26px;height:26px;}
.svc h3{font-size:18px;margin-bottom:9px;}
.svc p{font-size:14px;color:var(--text-sub);margin-bottom:16px;}
.svc ul{display:flex;flex-direction:column;gap:7px;}
.svc li{
  font-size:13.5px;color:var(--text-sub);display:flex;align-items:flex-start;gap:8px;
}
.svc li::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--primary);
  flex:none;margin-top:8px;
}
.svc__price{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  display:flex;align-items:baseline;justify-content:space-between;
}
.svc__price b{color:var(--accent);font-size:20px;font-weight:800;}
.svc__price b small{font-size:12px;font-weight:600;}
.svc__price span{font-size:12.5px;color:var(--text-light);}

/* ============ 服务流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.step{
  background:#fff;border-radius:var(--radius-lg);padding:30px 24px;
  border:1px solid var(--line);position:relative;text-align:left;
  transition:all .25s;
}
.step:hover{box-shadow:var(--shadow);transform:translateY(-4px);}
.step__no{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#3E9BD8);color:#fff;
  font-weight:800;font-size:17px;margin-bottom:18px;
  box-shadow:0 6px 14px rgba(11,107,181,.25);
}
.step h3{font-size:16.5px;margin-bottom:8px;}
.step p{font-size:13.5px;color:var(--text-sub);}

/* ============ 优势 ============ */
.why{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.why__list{display:flex;flex-direction:column;gap:20px;}
.why__item{
  display:flex;gap:16px;padding:20px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);transition:all .22s;
}
.why__item:hover{border-color:rgba(11,107,181,.25);box-shadow:var(--shadow-sm);}
.why__ico{
  width:46px;height:46px;border-radius:12px;flex:none;display:grid;place-items:center;
  background:var(--primary-light);color:var(--primary);
}
.why__ico svg{width:23px;height:23px;}
.why__item h4{font-size:16px;margin-bottom:5px;}
.why__item p{font-size:13.5px;color:var(--text-sub);}

.why__panel{
  background:linear-gradient(150deg,var(--primary),#0A5A99 60%,#07406E);
  border-radius:var(--radius-lg);padding:40px 34px;color:#fff;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.why__panel::before{
  content:"";position:absolute;top:-80px;right:-80px;width:260px;height:260px;
  border-radius:50%;background:rgba(255,255,255,.07);
}
.why__panel h3{color:#fff;font-size:22px;margin-bottom:8px;position:relative;}
.why__panel > p{font-size:14px;opacity:.86;margin-bottom:26px;position:relative;}
.why__panel .btn{position:relative;}
.panel-item{
  display:flex;align-items:center;gap:12px;padding:15px 0;
  border-bottom:1px solid rgba(255,255,255,.16);position:relative;
}
.panel-item:last-of-type{border-bottom:none;margin-bottom:22px;}
.panel-item svg{width:20px;height:20px;color:#7FD1A8;flex:none;}
.panel-item b{font-size:15px;font-weight:600;}
.panel-item small{display:block;font-size:12.5px;opacity:.72;font-weight:400;}

/* ============ 价格表 ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.plan{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px 28px;display:flex;flex-direction:column;transition:all .28s;
}
.plan:hover{box-shadow:var(--shadow);transform:translateY(-4px);}
.plan--hot{
  border:2px solid var(--primary);box-shadow:var(--shadow);position:relative;
}
.plan--hot::before{
  content:"最受欢迎";position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--accent);color:#fff;font-size:12px;font-weight:600;
  padding:4px 16px;border-radius:100px;white-space:nowrap;
  box-shadow:0 4px 12px rgba(255,122,69,.35);
}
.plan__name{font-size:17px;font-weight:700;margin-bottom:6px;}
.plan__sub{font-size:13px;color:var(--text-light);margin-bottom:20px;min-height:20px;}
.plan__price{display:flex;align-items:baseline;gap:5px;margin-bottom:6px;}
.plan__price .cur{font-size:16px;font-weight:700;color:var(--accent);}
.plan__price .num{font-size:42px;font-weight:800;color:var(--accent);line-height:1;letter-spacing:-1.5px;}
.plan__price .unit{font-size:13px;color:var(--text-light);}
.plan__note{font-size:12.5px;color:var(--text-light);margin-bottom:24px;}
.plan ul{display:flex;flex-direction:column;gap:11px;margin-bottom:28px;flex:1;}
.plan li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--text-sub);}
.plan li svg{width:17px;height:17px;color:var(--primary);flex:none;margin-top:3px;}
.plan li.off{color:var(--text-light);text-decoration:line-through;opacity:.65;}
.plan li.off svg{color:var(--text-light);}

/* ============ 合规提示条 ============ */
.compliance{
  background:#FFF7F2;border:1px solid #FFE0D0;border-radius:var(--radius-lg);
  padding:22px 26px;display:flex;gap:16px;align-items:flex-start;margin-top:44px;
}
.compliance svg{width:22px;height:22px;color:var(--accent);flex:none;margin-top:2px;}
.compliance b{display:block;font-size:15px;margin-bottom:4px;color:var(--accent-dark);}
.compliance p{font-size:13.5px;color:var(--text-sub);}

/* ============ 常见问题 ============ */
.faq{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:all .2s;
}
.faq details[open]{border-color:rgba(11,107,181,.3);box-shadow:var(--shadow-sm);}
.faq summary{
  padding:18px 52px 18px 22px;font-size:15.5px;font-weight:600;
  cursor:pointer;position:relative;list-style:none;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"";position:absolute;right:22px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s;
}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.faq .answer{padding:0 22px 20px;font-size:14px;color:var(--text-sub);}

/* ============ CTA ============ */
.cta{
  background:linear-gradient(135deg,var(--primary) 0%,#0A5A99 55%,#07406E 100%);
  border-radius:var(--radius-lg);padding:clamp(36px,5vw,60px);
  text-align:center;color:#fff;position:relative;overflow:hidden;
}
.cta::before,.cta::after{
  content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.06);
}
.cta::before{width:300px;height:300px;top:-140px;left:-80px;}
.cta::after{width:240px;height:240px;bottom:-120px;right:-60px;}
.cta > *{position:relative;z-index:2;}
.cta h2{color:#fff;font-size:clamp(22px,3.2vw,32px);margin-bottom:14px;}
.cta p{font-size:clamp(14px,1.6vw,16px);opacity:.88;margin-bottom:30px;}
.cta__btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.cta .btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.cta .btn--ghost:hover{background:rgba(255,255,255,.14);}

/* ============ 页脚 ============ */
.footer{background:#0E2233;color:#A9BCCB;padding:64px 0 0;font-size:14px;}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer .logo__text b{color:#fff;}
.footer .logo__text span{color:#7A8FA0;}
.footer__about p{margin:18px 0;font-size:13.5px;line-height:1.85;color:#8FA3B4;}
.footer h4{color:#fff;font-size:15px;margin-bottom:18px;}
.footer ul{display:flex;flex-direction:column;gap:11px;}
.footer li a{font-size:13.5px;color:#8FA3B4;transition:color .2s;}
.footer li a:hover{color:#fff;}
.footer__contact li{font-size:13.5px;color:#8FA3B4;display:flex;gap:8px;}
.footer__contact svg{width:16px;height:16px;color:var(--primary);flex:none;margin-top:4px;}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.09);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;color:#6E8296;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav__menu{display:none;}
  .nav__toggle{display:flex;}
  .nav__actions .nav__phone{display:none;}
  .hero__inner{grid-template-columns:1fr;gap:44px;}
  .hero__card{max-width:560px;margin:0 auto;width:100%;}
  .why{grid-template-columns:1fr;gap:40px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .price-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto;}
  .footer__grid{grid-template-columns:1fr 1fr;}
}

@media (max-width:768px){
  :root{--nav-h:60px;}
  .section{padding:56px 0;}
  .sec-head{margin-bottom:36px;}
  .hero{padding:40px 0 56px;}
  .hero__cta .btn{flex:1 1 auto;}
  .stats__grid{grid-template-columns:repeat(2,1fr);gap:22px;}
  .flow{grid-template-columns:1fr;gap:14px;}
  .step{padding:22px;display:flex;gap:16px;align-items:flex-start;}
  .step__no{margin-bottom:0;flex:none;}
  .grid-3,.grid-4{grid-template-columns:1fr;}
  .compliance{flex-direction:column;gap:10px;}
  .footer__grid{grid-template-columns:1fr;gap:32px;}
  .footer{padding-top:48px;}
}

@media (max-width:420px){
  .hero__cta{flex-direction:column;}
  .hero__cta .btn{width:100%;}
  .quick-item__price{font-size:13px;}
}