:root{
  --blue:#0B5FFF;
  --blue-deep:#0A46C8;
  --cyan:#00C6C2;
  --indigo:#0F1B3D;
  --ink:#1B2A4A;
  --muted:#64748E;
  --soft:#F0F5FF;
  --soft2:#E7EFFE;
  --line:#E2E9F5;
  --r-lg:26px;
  --r-md:18px;
  --shadow:0 20px 50px rgba(11,95,255,.12);
  --grad:linear-gradient(120deg,#0B5FFF 0%,#2E8BFF 55%,#00C6C2 130%);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang HK","PingFang SC","Microsoft JhengHei","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{text-decoration:none;color:inherit}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:100px 0}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1px;padding:8px 18px;border-radius:999px}
.pill .dot{width:7px;height:7px;border-radius:50%}
h2.title{font-size:38px;font-weight:800;line-height:1.25;letter-spacing:-.5px}
.sub{font-size:17px;color:var(--muted)}

/* ===== 主导航 ===== */
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(226,233,245,.9)}
.nav .wrap{display:flex;align-items:center;justify-content:flex-start;height:66px;gap:28px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo img{height:46px;width:auto;display:block}
.logo .mark{width:46px;height:46px;border-radius:14px;background:var(--grad);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(11,95,255,.35)}
.logo b{display:block;font-size:19px;letter-spacing:.5px;color:var(--indigo);line-height:1.3}
.logo span{font-size:10.5px;color:var(--muted);letter-spacing:1.8px;text-transform:uppercase}
.menu{display:flex;gap:8px;align-items:center;flex:1}
.menu>a{position:relative;padding:10px 14px;font-size:15.5px;font-weight:600;color:var(--blue-deep)}
.menu>a::after{content:"";position:absolute;left:14px;right:14px;bottom:1px;height:3px;background:var(--blue);border-radius:2px;transform:scaleX(0);transition:.25s}
.menu>a:hover,.menu>a.active{color:var(--blue)}
.menu>a:hover::after,.menu>a.active::after{transform:scaleX(1)}
.menu-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;width:42px;height:42px;border-radius:12px;background:var(--soft);border:1px solid var(--line);cursor:pointer;gap:5px;margin-left:auto;margin-right:4px}
.menu-toggle span{display:block;width:20px;height:2.5px;border-radius:2px;background:var(--indigo);transition:.25s;transform-origin:center}
.menu-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.brand{display:flex;align-items:center;gap:14px;flex-shrink:0}
.lang{display:flex;gap:6px;flex-shrink:0}
.lang a{font-size:13px;font-weight:600;color:var(--muted);padding:7px 12px;border-radius:999px}
.lang a.cur{background:var(--soft);color:var(--blue)}
.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 28px;border-radius:999px;font-size:15.5px;font-weight:700;transition:.25s;cursor:pointer}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(11,95,255,.35)}
.btn-grad:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(11,95,255,.45)}
.btn-soft{background:var(--soft);color:var(--blue)}
.btn-soft:hover{background:var(--soft2)}

/* ===== Hero ===== */
.hero{position:relative;background:url('images/hero_team.png') center 18%/cover no-repeat,linear-gradient(180deg,#F5F9FF 0%,#FFFFFF 50%,#F5F9FF 100%);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.98) 0%,rgba(255,255,255,.94) 30%,rgba(255,255,255,.72) 50%,rgba(255,255,255,.25) 68%,rgba(255,255,255,0) 100%);z-index:0}
.hero::after{content:"";position:absolute;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(0,198,194,.10),transparent 65%);bottom:-260px;right:-140px;z-index:0}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,560px) 1fr;gap:40px;align-items:center;padding-top:126px;padding-bottom:86px}
.hero .pill{background:#fff;border:1px solid var(--line);color:var(--blue);box-shadow:0 6px 18px rgba(11,95,255,.08);margin-bottom:26px}
.hero h1{font-size:54px;font-weight:800;line-height:1.18;letter-spacing:-1px;color:var(--indigo);margin-bottom:22px;text-align:left}
.hero h1 .g{color:var(--blue)}
.hero .sub{font-size:18.5px;color:#2E7BFF;max-width:520px;margin:0 0 38px;text-align:left;font-weight:600}
/* ===== 跑马灯伙伴条 ===== */
.marquee{background:var(--indigo);overflow:hidden;padding:22px 0;position:relative}
.marquee::before,.marquee::after{content:"";position:absolute;top:0;bottom:0;width:140px;z-index:2}
.marquee::before{left:0;background:linear-gradient(90deg,var(--indigo),transparent)}
.marquee::after{right:0;background:linear-gradient(-90deg,var(--indigo),transparent)}
.m-track{display:flex;gap:64px;width:max-content;animation:scroll 28s linear infinite}
.m-item{display:flex;align-items:center;gap:12px;color:#8FA5D9;font-size:15px;font-weight:600;white-space:nowrap}
.m-item .mi{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;color:#fff}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ===== 合作夥伴 ===== */
.partners{padding:60px 0 50px;background:#FAFCFF}
.partners .sec-head{margin-bottom:42px}
.partners-grid{display:grid;grid-template-columns:repeat(5,minmax(0,220px));justify-content:center;gap:24px}
.plogo{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);height:132px;display:flex;align-items:center;justify-content:center;padding:14px 18px;transition:.25s}
.plogo:hover{border-color:transparent;box-shadow:var(--shadow);transform:translateY(-4px)}
.plogo img{max-width:100%;max-height:86px;object-fit:contain}
.plogo-lg{padding:6px 8px}
.plogo-lg img{max-height:118px}

/* ===== 服务 ===== */
.services{background:linear-gradient(180deg,#fff, #F7FAFF 40%,#fff);padding:60px 0 100px}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:52px;flex-wrap:wrap}
.sec-head .left .pill{background:var(--soft);color:var(--blue);margin-bottom:16px}
.svc-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.svc{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:0 30px 30px;transition:.28s;position:relative;overflow:hidden;display:block}
.svc:hover{border-color:transparent;box-shadow:var(--shadow);transform:translateY(-6px)}
.svc-img{height:210px;position:relative;margin:0 -30px 24px;overflow:hidden}
.svc-img img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block;transition:.4s}
.svc:hover .svc-img img{transform:scale(1.05)}
.svc-img .ov{position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(15,27,61,.35) 100%)}
.svc h3{font-size:20px;font-weight:800;color:var(--indigo);margin:18px 0 8px}
.svc p{font-size:14.5px;color:var(--muted);margin-bottom:14px}
.svc .tag-row{display:flex;gap:8px;flex-wrap:wrap}
.svc .tag{font-size:12px;font-weight:700;color:var(--blue);background:var(--soft);padding:4px 12px;border-radius:999px}
.svc.hl{grid-column:span 2;background:var(--grad);border:none;color:#fff;display:grid;grid-template-columns:260px 1fr auto;gap:28px;align-items:center;padding:0;min-height:210px}
.svc.hl:hover{transform:translateY(-4px)}
.svc.hl .hl-img{height:100%;min-height:210px;border-radius:0;overflow:hidden;position:relative}
.svc.hl .hl-img img{width:100%;height:100%;object-fit:cover;display:block}
.svc.hl .hl-img .ov{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,70,200,.05),rgba(10,70,200,.25))}
.svc.hl .hl-body{padding:30px 0;padding-right:30px}
.svc.hl h3{color:#fff;margin:0 0 8px}
.svc.hl p{color:rgba(255,255,255,.88)}
.svc.hl .tag{background:rgba(255,255,255,.18);color:#fff}
.svc.hl .btn{background:#fff;color:var(--blue);margin-right:34px;align-self:center}

/* ===== 关于 ===== */
.about .wrap{display:grid;grid-template-columns:1.12fr .88fr;gap:64px;align-items:center}
.about-visual{position:relative;height:auto}
.bubble{position:absolute;border-radius:24px;box-shadow:var(--shadow);background:#fff;border:1px solid var(--line);padding:26px}
.b1{position:relative;width:100%;height:auto;padding:0;overflow:hidden;border-radius:24px;box-shadow:var(--shadow);border:1px solid var(--line);background:#fff}
.b1 img{width:100%;height:auto;display:block}
.b1 .cap{position:absolute;top:18px;left:18px;z-index:4;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border:1px solid rgba(11,95,255,.12);border-radius:14px;padding:10px 16px;box-shadow:0 4px 14px rgba(15,27,61,.08)}
.b1 .cap b{display:block;font-size:22px;font-weight:800;font-family:Georgia,serif;line-height:1.1;color:#E53935}
.b1 .cap span{font-size:12px;color:var(--ink);font-weight:600}
.b2{position:absolute;right:16px;bottom:16px;width:auto;max-width:220px;display:flex;gap:14px;align-items:center;padding:16px 20px}
.b2 .n{font-size:30px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.b2 b{display:block;font-size:14px}
.b2 span{font-size:12px;color:var(--muted)}
.b3{position:absolute;left:16px;bottom:16px;width:auto;max-width:220px;display:flex;gap:14px;align-items:center;padding:16px 20px}
.b3 .n{font-size:30px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.b3 b{display:block;font-size:14px}
.b3 span{font-size:12px;color:var(--muted)}
.about .pill{background:var(--soft);color:var(--blue);margin-bottom:18px}
.about h2{margin-bottom:18px}
.about .body{font-size:15.5px;color:var(--muted);margin:18px 0 30px}
.about .btn{margin-top:8px}

/* ===== 健康资讯 ===== */
.about.section{padding:0 0 50px}
.news{background:linear-gradient(180deg,#fff,#F5F9FF);padding:60px 0 100px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ncard{background:#fff;border-radius:var(--r-lg);border:1px solid var(--line);overflow:hidden;transition:.28s;display:flex;flex-direction:column}
.ncard:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.ncard .thumb{height:180px;position:relative;overflow:hidden}
.ncard .thumb img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block;transition:.4s}
.ncard:hover .thumb img{transform:scale(1.05)}
.ncard .thumb .ov{position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(15,27,61,.35) 100%)}
.ncard .cat{position:absolute;top:16px;left:16px;background:rgba(255,255,255,.95);color:var(--blue);font-size:12px;font-weight:800;padding:5px 14px;border-radius:999px;letter-spacing:1px;z-index:2}
.ncard .body{padding:24px 26px 28px;flex:1;display:flex;flex-direction:column}
.ncard h3{font-size:18px;font-weight:800;color:var(--indigo);line-height:1.5;margin-bottom:10px}
.ncard p{font-size:14px;color:var(--muted);flex:1}
.ncard .meta{display:flex;justify-content:space-between;align-items:center;margin-top:18px;font-size:13px;color:#8A99B5}
.ncard .meta a{color:var(--blue);font-weight:700}
.ncard .meta span{display:none}

/* ===== 医学科学发展简图滚动带 ===== */
.databand{background:var(--indigo);position:relative;overflow:hidden;padding:52px 0}
.databand::before{content:"";position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(11,95,255,.35),transparent 65%);top:-260px;right:-160px}
.databand .wrap{padding:0;position:relative;overflow:hidden}
.timeline-track{display:flex;gap:58px;width:max-content;animation:scrollTimeline 45s linear infinite;padding:10px 0}
.timeline-track:hover{animation-play-state:paused}
.milestone{display:flex;flex-direction:column;align-items:center;gap:14px;min-width:150px;color:#fff}
.milestone .icon{width:70px;height:70px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:20px;backdrop-filter:blur(8px);box-shadow:0 8px 24px rgba(0,0,0,.15)}
.milestone svg{width:34px;height:34px;color:#8DD8FF;flex-shrink:0}
.milestone span{font-size:13px;color:#AFC5EA;letter-spacing:.5px;white-space:nowrap;text-align:center}
.milestone em{display:block;font-style:normal;font-size:11px;color:#7E96C9;white-space:nowrap;margin-top:2px}
@keyframes scrollTimeline{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ===== CTA ===== */
.cta .inner{background:var(--grad);border-radius:32px;padding:70px 76px;text-align:center;color:#fff;position:relative;overflow:hidden;box-shadow:0 30px 70px rgba(11,95,255,.35)}
.cta .inner .ring{position:absolute;border-radius:50%;border:1.5px solid rgba(255,255,255,.2)}
.cta .inner .r1{width:400px;height:400px;top:-170px;right:-90px}
.cta .inner .r2{width:260px;height:260px;bottom:-120px;left:-60px}
.cta h2{font-size:34px;font-weight:800;margin-bottom:14px;position:relative}
.cta p{color:rgba(255,255,255,.88);font-size:16.5px;max-width:560px;margin:0 auto 34px;position:relative}
.cta .btn{background:#fff;color:var(--blue);position:relative}
.cta .btn:hover{transform:translateY(-2px)}

/* ===== Footer ===== */
footer{background:#0A1229;color:#7C8DB0;font-size:14px}
.foot-main{display:grid;grid-template-columns:1.5fr 1.2fr;gap:44px;padding:72px 0 52px}
.foot-main h5{color:#fff;font-size:15px;margin-bottom:20px}
.foot-brand p{margin:18px 0 24px;font-size:13.5px;line-height:1.85}
.foot-bottom{border-top:1px solid rgba(255,255,255,.07);padding:22px 0;display:flex;justify-content:space-between;font-size:13px;color:#54658A;flex-wrap:wrap;gap:10px}
.design-note{position:fixed;bottom:20px;right:20px;background:var(--grad);color:#fff;font-size:12px;padding:8px 14px;border-radius:999px;box-shadow:0 8px 24px rgba(11,95,255,.4);letter-spacing:1px;z-index:999}

/* ===== 中等宽度下紧凑导航，防止最后一项被挤出屏幕 ===== */
@media (min-width:1025px) and (max-width:1150px){
  .nav .wrap{gap:16px}
  .brand{gap:10px}
  .menu{gap:4px}
  .menu>a{padding:10px 8px;font-size:14.5px}
  .menu>a::after{left:8px;right:8px}
}

@media(max-width:1024px){
  .hero{background-position:center 8%}
  .hero::before{background:linear-gradient(180deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.9) 22%,rgba(255,255,255,.5) 45%,rgba(255,255,255,0) 65%)}
  .hero .wrap{grid-template-columns:1fr;text-align:center;justify-items:center}
  .hero h1,.hero .sub{text-align:center}
  .hero .sub{margin:0 auto 38px}
  .svc-grid{grid-template-columns:1fr}
  .svc.hl{grid-column:span 1;display:flex;flex-direction:column;align-items:stretch;padding:0;height:auto;min-height:auto}
  .svc.hl .hl-img{width:100%;height:180px;min-height:180px}
  .svc.hl .hl-body{padding:22px 22px 0}
  .svc.hl .btn{margin:18px 22px 22px;align-self:flex-start}
  .about .wrap{grid-template-columns:1fr;gap:40px}
  .about-visual{height:auto;display:block;margin-bottom:8px}
  .b2,.b3{padding:12px 16px}
  .b2 .n,.b3 .n{font-size:24px}
  .b2 b,.b3 b{font-size:13px}
  .news-grid{grid-template-columns:1fr}
  .databand{padding:42px 0}
  .timeline-track{gap:42px}
  .milestone{min-width:130px}
  .milestone .icon{width:62px;height:62px;border-radius:16px}
  .milestone svg{width:30px;height:30px}
  .nav .wrap{gap:18px;position:relative;height:92px;padding-top:20px}
  .brand{gap:10px}
  .menu{display:none;position:absolute;top:93px;left:16px;right:16px;flex-direction:column;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:12px;z-index:1001;animation:menuSlide .2s ease-out}
  @keyframes menuSlide{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
  .menu.open{display:flex}
  .menu>a{padding:14px 16px;font-size:16px;border-radius:12px}
  .menu>a:hover{background:var(--soft)}
  .menu>a.active{background:var(--soft);color:var(--blue)}
  .menu>a::after{display:none}
  .menu-toggle{display:flex;position:absolute;right:16px;top:50%;transform:translateY(-50%)}
  .logo img{height:38px}
  .partners-grid{grid-template-columns:repeat(3,minmax(0,220px))}
}
@media(max-width:640px){
  .partners-grid{grid-template-columns:repeat(2,minmax(0,180px));gap:14px}
  .plogo{height:110px;padding:10px 12px}
  .plogo img{max-height:72px}
}

/* ===== 浮動立即諮詢 ===== */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:999;display:flex;align-items:center;gap:10px;padding:14px 20px;border-radius:999px;background:var(--grad);color:#fff;font-size:15px;font-weight:700;box-shadow:0 8px 28px rgba(11,95,255,.38);border:1px solid rgba(255,255,255,.25);cursor:pointer;transition:.25s;backdrop-filter:blur(6px)}
.float-cta:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 14px 40px rgba(11,95,255,.48)}
.float-cta:active{transform:scale(.98)}
.float-cta svg{flex-shrink:0}
.float-cta .label{white-space:nowrap}
@media(max-width:640px){
  .float-cta{right:16px;bottom:16px;padding:13px 17px;font-size:14px}
  .float-cta .label{display:none}
  .float-cta svg{width:22px;height:22px}
}

/* ===== 留言彈窗 ===== */
.chat-modal{position:fixed;inset:0;z-index:1000;display:none;align-items:center;justify-content:center;background:rgba(15,27,61,.55);backdrop-filter:blur(4px);padding:20px}
.chat-modal.open{display:flex}
.chat-box{width:100%;max-width:460px;background:#fff;border-radius:var(--r-lg);box-shadow:0 30px 80px rgba(15,27,61,.28);overflow:hidden;animation:modalIn .28s ease-out}
@keyframes modalIn{from{opacity:0;transform:translateY(20px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}
.chat-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;background:var(--grad);color:#fff}
.chat-head h4{font-size:17px;font-weight:800}
.chat-head .close{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.18);border:none;color:#fff;cursor:pointer;transition:.2s}
.chat-head .close:hover{background:rgba(255,255,255,.3);transform:rotate(90deg)}
.chat-body{padding:26px}
.chat-body p{color:var(--muted);font-size:14px;margin-bottom:18px;line-height:1.6}
.chat-body .field{margin-bottom:16px}
.chat-body label{display:block;font-size:13px;font-weight:700;color:var(--indigo);margin-bottom:6px}
.chat-body input,.chat-body textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;font-size:14px;font-family:inherit;color:var(--ink);background:#FAFBFF;transition:.2s;outline:none}
.chat-body input:focus,.chat-body textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(11,95,255,.12);background:#fff}
.chat-body textarea{min-height:96px;resize:vertical}
.chat-body .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.chat-body .submit{width:100%;padding:14px;border-radius:12px;background:var(--grad);color:#fff;border:none;font-size:15px;font-weight:800;cursor:pointer;transition:.2s;box-shadow:0 6px 18px rgba(11,95,255,.28)}
.chat-body .submit:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(11,95,255,.38)}
.chat-body .submit:active{transform:scale(.99)}
.chat-body .ok-msg{display:none;text-align:center;padding:10px 0 4px}
.chat-body .ok-msg b{display:block;font-size:18px;color:var(--indigo);margin-bottom:6px}
.chat-body .ok-msg span{color:var(--muted);font-size:14px}
@media(max-width:640px){
  .chat-box{max-width:100%;border-radius:22px}
  .chat-body{padding:22px 18px}
  .chat-body .row{grid-template-columns:1fr}
}