@font-face{font-family:"D-DIN-PRO";src:url("assets-v2/fonts/D-DIN-PRO-Regular.otf") format("opentype");font-weight:400;font-display:swap}
@font-face{font-family:"D-DIN-PRO";src:url("assets-v2/fonts/D-DIN-PRO-Medium.otf") format("opentype");font-weight:500;font-display:swap}
@font-face{font-family:"D-DIN-PRO";src:url("assets-v2/fonts/D-DIN-PRO-SemiBold.otf") format("opentype");font-weight:600;font-display:swap}
@font-face{font-family:"D-DIN-PRO";src:url("assets-v2/fonts/D-DIN-PRO-Bold.otf") format("opentype");font-weight:700;font-display:swap}
@font-face{font-family:"D-DIN-PRO";src:url("assets-v2/fonts/D-DIN-PRO-ExtraBold.otf") format("opentype");font-weight:800;font-display:swap}
@font-face{font-family:"Source Han Sans SC";src:url("assets-v2/fonts/SourceHanSansSC-Regular.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Source Han Sans SC";src:url("assets-v2/fonts/SourceHanSansSC-Medium.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Source Han Sans SC";src:url("assets-v2/fonts/SourceHanSansSC-Bold.woff2") format("woff2");font-weight:700;font-display:swap}

:root{--page:#000;--surface:#121314;--surface-raised:#17181a;--line:rgba(255,255,255,.18);--muted:rgba(255,255,255,.62);--header:48px;--shell:1128px;--ease:cubic-bezier(.22,1,.36,1);color-scheme:dark;font-family:"D-DIN-PRO",Arial,sans-serif;background:#000;color:#fff;scroll-behavior:smooth}
html[data-lang="zh"]{font-family:"Source Han Sans SC","PingFang SC",sans-serif}
*{box-sizing:border-box}
html,body{margin:0;min-width:320px;background:var(--page);color:#fff}
body{overflow-x:hidden;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
button,a{font:inherit;color:inherit}
button{border:0}
a{text-decoration:none}
img,video{display:block;max-width:100%}
[hidden]{display:none!important}
figure,h1,h2,h3,p,ul{margin:0}
ul{padding:0;list-style:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;z-index:1000;left:16px;top:8px;padding:8px 14px;background:#fff;color:#000;transform:translateY(-150%);transition:transform .2s}
.skip-link:focus{transform:none}
.section-shell{width:var(--shell);margin:0 auto}

.site-header{position:fixed;z-index:100;inset:0 0 auto;height:var(--header);background:rgba(0,0,0,.88);border-bottom:1px solid rgba(255,255,255,.08);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.site-nav{width:100%;height:100%;padding:0 24px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;position:relative}
.nav-actions{display:flex;align-items:center;justify-self:end}
.mobile-nav{display:none}
@media (prefers-reduced-motion: reduce){.mobile-nav{transition:none!important}}
.nav-toggle{display:none;align-items:center;justify-content:center;width:32px;height:32px;padding:0;border:0;background:none;cursor:pointer;color:#fff}
.nav-toggle-icon{width:24px;height:24px;object-fit:contain}
.brand{justify-self:start;width:86px;height:20px;display:flex;align-items:center;gap:3px}
.brand img{width:27px;height:20px;object-fit:fill}
.brand span{width:56px;color:#fff;font-family:"Source Han Sans SC",sans-serif;font-size:13px;line-height:12px;font-weight:700;text-align:center;white-space:nowrap}
.nav-links{display:flex;height:100%;align-items:center;gap:48px}
.nav-link{position:relative;height:100%;display:flex;align-items:center;color:rgba(255,255,255,.62);font-size:14px;white-space:nowrap;transition:color .25s}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:#fff;transform:scaleX(0);transition:transform .3s var(--ease);transform-origin:center}
.nav-link:hover,.nav-link:focus-visible,.nav-link.is-active{color:#fff}
.nav-link.is-active::after{transform:scaleX(1)}
.language-button{justify-self:end;min-width:60px;height:28px;padding:0 14px;border:1px solid rgba(255,255,255,.4);border-radius:16px;background:transparent;font-size:12px;cursor:pointer;transition:background .25s,color .25s,border-color .25s,transform .25s}
.language-button:hover,.language-button:focus-visible{background:#fff;color:#000;border-color:#fff;transform:translateY(-1px)}

.hero{position:relative;height:762px;overflow:hidden;background:#07090a;scroll-margin-top:var(--header)}
.hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.08) 46%,rgba(0,0,0,.68) 100%);pointer-events:none}
.hero-copy{position:absolute;z-index:2;left:50%;top:168px;width:1032px;transform:translateX(-50%);text-align:center;display:flex;flex-direction:column;align-items:center}
.hero-copy h1{width:1032px;font-size:80px;line-height:96px;font-weight:800;letter-spacing:1px}
.hero-copy p{width:1032px;margin-top:48px;color:rgba(255,255,255,.9);font-size:18px;line-height:40px}
html[data-lang="zh"] .hero-copy h1{font-weight:700;letter-spacing:2px}
html[data-lang="zh"] .hero-copy p{letter-spacing:1px}

.company-overview{display:none}
  .business-overview{position:relative;z-index:5;height:392px;padding-top:24px;background:#000}
.business-grid{width:var(--shell);margin:auto;display:grid;grid-template-columns:repeat(4,264px);gap:24px;transform:translateY(var(--business-shift,-160px));will-change:transform}
.business-card{position:relative;display:block;width:264px;height:264px;border-radius:12px;overflow:hidden;background:#1b1b1b;border:1px solid rgba(255,255,255,.2);box-shadow:0 20px 64px rgba(0,0,0,.32);transition:border-color .3s,box-shadow .3s,filter .3s}
.business-card img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease)}
  .business-card-label{position:absolute;left:0;right:0;bottom:0;height:56px;display:flex;flex-direction:row;justify-content:center;align-items:center;gap:10px;padding:16px;box-sizing:border-box;background:rgba(0,0,0,.6);font-family:"Source Han Sans SC",sans-serif;font-weight:500;font-size:22px;line-height:24px;letter-spacing:.4px;text-align:center;color:rgba(255,255,255,.9);pointer-events:none}
.business-card:hover,.business-card:focus-visible{border-color:rgba(255,255,255,.65);box-shadow:0 26px 72px rgba(0,0,0,.48);filter:brightness(1.08)}
.business-card:hover img,.business-card:focus-visible img{transform:scale(1.035)}

.product-section{scroll-margin-top:var(--header);background:#000}
.section-title{font-size:48px;line-height:80px;font-weight:800;letter-spacing:-.5px}
html[data-lang="zh"] .section-title{font-weight:700;letter-spacing:2px}
.product-tabs{height:56px;display:flex;align-items:flex-start;gap:0}
.product-tab{position:relative;height:56px;padding:16px 24px;background:transparent;border-radius:8px 8px 0 0;color:rgba(255,255,255,.7);font-size:18px;line-height:24px;cursor:pointer;white-space:nowrap;transition:color .25s,background .25s}
.product-tab::after{display:none}
.product-tab:hover,.product-tab:focus-visible,.product-tab.is-active{color:#fff}
.product-tab.is-active{background:var(--surface);font-weight:700}
html[data-lang="zh"] .product-tab{font-size:16px}
.product-copy h3{color:rgba(255,255,255,.9);font-family:"Source Han Sans SC","D-DIN-PRO",sans-serif;font-size:28px;line-height:40px;font-weight:500;letter-spacing:.2px}
.product-copy p{color:rgba(255,255,255,.7);font-size:16px;line-height:24px;font-weight:400;letter-spacing:.1px}
.product-copy li{color:rgba(255,255,255,.9);font-size:16px;line-height:28px;font-weight:500;letter-spacing:.1px}
html[data-lang="zh"] .product-copy p,html[data-lang="zh"] .product-copy li{letter-spacing:1px}
.product-copy ul{margin-top:16px;display:grid;gap:0}
.product-copy li{position:relative;padding-left:24px}
.product-copy li::before{content:"";position:absolute;left:6px;top:12px;width:4px;height:4px;border-radius:50%;background:#fff}
.copy-intro:empty,.product-copy ul:empty{display:none}

.cardio-section{height:768px;padding-top:32px}
.cardio-section .section-title{height:80px}
.cardio-section .product-tabs{margin-top:8px}
.cardio-panel{height:480px;margin-top:0;display:grid;grid-template-columns:744px 360px;gap:24px}
.cardio-media{height:480px;overflow:hidden;border-radius:0 0 0 24px;background:var(--surface)}
.cardio-media img,.cardio-media video{width:100%;height:100%;object-fit:cover}
.cardio-copy{height:480px;padding:0;overflow:auto;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.18) transparent}
.cardio-copy h3{margin-bottom:16px}
.cardio-copy .copy-intro{margin-top:16px;color:#fff}

.endoscopic-section{padding-top:32px}
.endoscopic-section .section-title{height:80px}
.endoscopic-scroll-stage{position:relative;height:1380px;margin-top:32px}
.endoscopic-stack{position:sticky;top:72px;width:1128px;height:674px;perspective:1800px;--stack-progress:0;--pointer-x:0;--pointer-y:0}
.endoscopic-stack::before{content:none}
.endoscopic-card{position:absolute;inset:40px 0 auto;width:1128px;height:634px;border-radius:24px;overflow:hidden;backface-visibility:hidden;will-change:transform,opacity;box-shadow:0 28px 80px rgba(0,0,0,.55)}
.endoscopic-card--base{z-index:1;display:grid;grid-template-columns:416px 608px;gap:24px;padding:40px;background:var(--surface);transform:translate3d(calc(var(--pointer-x)*-4px),calc(var(--stack-progress)*-18px + var(--pointer-y)*-3px),0) scale(calc(1 - var(--stack-progress)*.035));filter:brightness(calc(1 - var(--stack-progress)*.16))}
.endoscopic-media{height:554px;border-radius:16px;overflow:hidden;background:#090a0a}
.endoscopic-media img{width:100%;height:100%;object-fit:cover}
.endoscopic-copy{padding-top:0}
.endoscopic-copy h3{margin-bottom:24px;line-height:56px}
.endoscopic-copy ul{margin-top:16px}
.endoscopic-card--video{z-index:2;background:var(--surface-raised);opacity:var(--stack-progress);transform:translate3d(calc(var(--pointer-x)*5px),calc((1 - var(--stack-progress))*112% + var(--pointer-y)*4px),48px) rotateX(calc((1 - var(--stack-progress))*2.5deg));transform-origin:50% 0}
.endoscopic-card--video video{width:100%;height:100%;object-fit:cover;border-radius:24px;background:#eef6fa}

.bci-section{height:914px;padding-top:32px}
.bci-section .section-title{height:80px}
.bci-section .product-tabs{margin-top:0}
.bci-panel{height:634px;display:grid;grid-template-columns:636px 388px;gap:24px;padding:40px;background:var(--surface);border-radius:0 0 24px 24px;overflow:hidden;transition:grid-template-columns .45s var(--ease),padding .45s var(--ease)}
.bci-media{position:relative;height:554px;border-radius:16px;overflow:hidden;background:var(--surface)}
.bci-media img,.bci-media video{width:100%;height:100%;object-fit:cover}
.bci-copy{display:flex;flex-direction:column;justify-content:center}
.bci-copy h3{margin-bottom:32px;line-height:56px}
.bci-panel.is-video-mode{display:block;padding:0;min-height:auto;border-radius:0 0 24px 24px}
.bci-panel.is-video-mode .bci-media{width:100%;height:634px;border-radius:0 0 24px 24px}
.bci-panel.is-video-mode .bci-copy{display:none}
  .bci-panel.is-video-mode .bci-media{background:#0c0d0f}
  .bci-caption{
    position:absolute;left:0;right:0;bottom:0;height:76px;
    display:flex;flex-direction:row;justify-content:center;align-items:center;
    padding:0 133px;gap:24px;box-sizing:border-box;
    background:linear-gradient(180deg,rgba(0,0,0,0) 0%,#000000 100%);
    opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s;pointer-events:none
  }
  .bci-panel.is-video-mode .bci-caption{opacity:1;visibility:visible}
  .bci-caption-title{
    white-space:nowrap;font-family:"D-DIN-PRO";font-weight:500;font-size:16px;line-height:28px;
    letter-spacing:.1px;color:rgba(255,255,255,.9)
  }
  .bci-caption-desc{
    font-family:"D-DIN-PRO";font-weight:400;font-size:16px;line-height:24px;
    letter-spacing:.1px;color:rgba(255,255,255,.7);text-align:center
  }

.health-section{height:732px;padding-top:32px}
.health-layout{height:620px;display:grid;grid-template-columns:400px 688px;gap:40px}
@media (min-width:768px){
  .health-copy{padding-top:0;display:flex;flex-direction:column;min-height:0}
  .health-copy .section-title{margin-bottom:24px;flex:none}
  .health-copy .product-clamp{flex:1 1 auto;min-height:0;overflow-y:auto;overflow-x:hidden;padding-right:4px;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.18) transparent}
}
.health-copy p{width:392px}
.health-copy ul{margin-top:16px}
.health-copy li{font-size:18px;line-height:24px}
.health-media{position:relative;width:688px;height:620px;border-radius:24px;overflow:hidden;background:var(--surface)}
.health-slide{position:absolute;inset:0;overflow:hidden;background:var(--surface);opacity:0;visibility:hidden;transition:opacity .38s ease,visibility .38s}
.health-slide.is-active{opacity:1;visibility:visible}
.health-phone{position:absolute;object-fit:contain;height:auto}
.health-phone--primary{left:19.5%;top:12.9%;width:34.4%}
.health-phone--secondary{left:50.3%;top:15.9%;width:28.5%}
.health-secondary-art{position:absolute;inset:0;width:100%;height:100%;max-width:none;object-fit:contain}
.health-locator{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);display:flex;flex-direction:row;justify-content:center;align-items:center;gap:12px;height:8px;z-index:2}
.health-dot{width:96px;height:8px;padding:0;border:none;border-radius:24px;background:rgba(255,255,255,.1);cursor:pointer;transition:background .3s ease}
.health-dot:hover{background:rgba(255,255,255,.45)}
.health-dot.is-active{background:rgba(255,255,255,.9)}

.partners-section{position:relative;height:226px;display:flex;align-items:center;overflow:hidden;background:#090a0a;scroll-margin-top:var(--header)}
.partners-section::before,.partners-section::after{content:"";position:absolute;z-index:5;top:0;bottom:0;width:190px;pointer-events:none}
.partners-section::before{left:0;background:linear-gradient(90deg,#090a0a,transparent)}
.partners-section::after{right:0;background:linear-gradient(-90deg,#090a0a,transparent)}
.partners-grid{display:flex;flex-direction:row;width:max-content;will-change:transform;animation:partners-loop 50s linear infinite}
.partners-grid:hover{animation-play-state:paused}
.partners-grid-half{display:flex;flex-direction:row;align-items:center;gap:24px;padding-right:24px}
.partners-grid-wide{display:grid;grid-template-columns:repeat(3,264px);gap:34px 24px}
.partners-grid-squares{display:flex;gap:24px}
.partner-logo{width:264px;height:72px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:#252525;border:1px solid rgba(255,255,255,.12);flex:0 0 auto}
.partner-logo img{max-width:90%;max-height:72%;object-fit:contain}
.partners-grid-squares .partner-logo{width:178px;height:178px}
.partners-grid-squares .partner-logo img{max-width:130px;max-height:130px}
.partners-grid-mobile{display:none}
.partners-contact{display:none}
.bottom-nav{display:none}
@keyframes partners-loop{to{transform:translateX(-50%)}}

.site-footer{background:#000}
.footer-main{height:264px;display:flex;justify-content:space-between;align-items:center;gap:44px}
.map-wrap{display:flex;flex-direction:column;align-items:center;gap:8px}
.map-card{width:514px;height:232px;position:relative;overflow:hidden;flex:none;margin:0;border-radius:4px;background:#000}
.map-card img{width:100%;height:100%;object-fit:cover}
.map-address{display:flex;flex-direction:row;align-items:center;justify-content:center;gap:10px;white-space:nowrap;flex:none}
.map-address-label{font-family:"Source Han Sans SC",Arial,sans-serif;font-style:normal;font-weight:400;font-size:14px;line-height:24px;text-align:center;letter-spacing:.3px;color:rgba(255,255,255,.7)}
.map-address-value{font-family:"Source Han Sans SC",Arial,sans-serif;font-style:normal;font-weight:400;font-size:14px;line-height:24px;text-align:center;letter-spacing:.4px;color:rgba(255,255,255,.9)}
.footer-nav{display:flex;gap:63px;align-items:flex-start}
.footer-col{display:flex;flex-direction:column;gap:24px;align-items:flex-start;min-width:0}
.footer-col a{color:rgba(255,255,255,.9);font-family:"D-DIN-PRO",Arial,sans-serif;font-style:normal;font-weight:500;font-size:16px;line-height:20px;letter-spacing:.2px;text-decoration:none;transition:color .25s;white-space:nowrap}
.footer-col a:hover,.footer-col a:focus-visible{color:#0082FB}
.footer-col--products{width:156px}
.footer-sublist{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.footer-sublist a{color:rgba(255,255,255,.7);font-weight:400;font-size:16px;line-height:24px;letter-spacing:.4px}
.footer-actions{position:fixed;right:32px;bottom:32px;z-index:60;display:flex;flex-direction:column;align-items:flex-end;gap:24px;flex:none}
.legal-bar{height:64px;display:flex;align-items:center;justify-content:space-between;gap:0;padding:0 calc((100% - var(--shell))/2);box-sizing:border-box;font-family:"Source Han Sans SC",Arial,sans-serif;font-style:normal;font-weight:400;font-size:14px;line-height:24px;letter-spacing:.3px;text-align:center;color:rgba(255,255,255,.7)}

.floating-button{width:64px;height:64px;padding:0;border-radius:50%;background:transparent;cursor:pointer;transition:transform .25s,filter .25s}
.floating-button img{width:100%;height:100%}
.floating-button:hover,.floating-button:focus-visible{transform:translateY(-3px);filter:brightness(1.12)}
/* 联系人头像悬停切换：默认 contact.png，悬停/键盘聚焦切到 contact-hover.png（双图叠放+fade） */
.contact-action .floating-button{position:relative}
.contact-action .floating-button img{position:absolute;inset:0;transition:opacity .2s}
.contact-action .floating-button .img-hover{opacity:0}
.contact-action .floating-button:hover .img-default,
.contact-action .floating-button:focus-visible .img-default{opacity:0}
.contact-action .floating-button:hover .img-hover,
.contact-action .floating-button:focus-visible .img-hover{opacity:1}
.contact-action{position:relative;display:flex;align-items:center}
.contact-popover{position:absolute;right:76px;top:50%;width:max-content;box-sizing:border-box;padding:32px 24px;display:flex;flex-direction:column;align-items:flex-start;gap:16px;border-radius:24px;background:linear-gradient(180deg,#25252B 0%,#121314 100%);box-shadow:0 20px 60px rgba(0,0,0,.5);backdrop-filter:blur(18px);font-family:"D-DIN-PRO",Arial,sans-serif;font-style:normal;opacity:0;visibility:hidden;transform:translate(10px,-50%);transition:opacity .25s,visibility .25s,transform .25s var(--ease)}
.contact-action:hover .contact-popover,.contact-action:focus-within .contact-popover{opacity:1;visibility:visible;transform:translate(0,-50%)}
.cp-name{font-weight:700;font-size:24px;line-height:28px;letter-spacing:1px;color:#fff}
.cp-role{font-weight:500;font-size:18px;line-height:28px;letter-spacing:1px;color:rgba(255,255,255,.9)}
.cp-mail-row{display:flex;flex-direction:row;align-items:center;gap:16px}
.cp-label{font-weight:400;font-size:18px;line-height:28px;letter-spacing:1px;color:rgba(255,255,255,.7);white-space:nowrap;flex:none}
.cp-mail{font-weight:500;font-size:18px;line-height:28px;letter-spacing:1px;color:rgba(255,255,255,.9);white-space:nowrap}

.media-swap img,.media-swap video{transition:opacity .22s ease,transform .45s var(--ease)}
.media-swap.is-changing>img,.media-swap.is-changing>video,.media-swap.is-changing .health-slide.is-active{opacity:.15;transform:scale(1.012)}
.cardio-panel .product-copy,.bci-panel .product-copy{transition:opacity .22s ease,transform .38s var(--ease)}
.cardio-panel.is-switching .product-copy,.bci-panel.is-switching .product-copy{opacity:0;transform:translateY(8px)}
.motion-ready .reveal-line,.motion-ready .reveal-surface{opacity:0;transform:translateY(28px)}
.motion-ready .reveal-group .reveal-line{transition-delay:calc(var(--reveal-index,0)*110ms)}
.motion-ready .reveal-line,.motion-ready .reveal-surface{transition:opacity .8s var(--ease),transform .8s var(--ease)}
.motion-ready .is-visible.reveal-line,.motion-ready .is-visible.reveal-surface,.motion-ready .is-visible .reveal-line{opacity:1;transform:none}

@media (min-width:768px) and (max-width:1199px){
  :root{--shell:744px}
  .hero{height:542px}
  .hero-copy{top:120px;bottom:auto;width:744px}
  .hero-copy h1{width:744px;font-size:56px;line-height:80px}
  .hero-copy p{width:744px;font-size:14px;line-height:24px;margin-top:24px}
  .business-overview{height:248px;padding-top:40px}
  .business-grid{grid-template-columns:repeat(4,168px);gap:24px;transform:translateY(var(--business-shift,-110px))}
  .business-card{width:168px;height:168px}
  .section-title{font-size:40px;line-height:64px}
  .cardio-section{height:auto;padding:32px 0 64px}
  .cardio-section .section-title,.endoscopic-section .section-title,.bci-section .section-title{height:64px}
  .cardio-panel{height:400px;grid-template-columns:488px 232px}
  .cardio-media{height:400px}
  .cardio-copy{height:400px;padding-top:18px}
  .product-copy h3{font-size:21px;line-height:28px}
  .product-copy p,.product-copy li{font-size:12px;line-height:20px}
  .endoscopic-scroll-stage{height:1050px;margin-top:24px}
  .endoscopic-stack{width:744px;height:450px}
  .endoscopic-stack::before{display:none}
  .endoscopic-card{inset:32px 0 auto;width:744px;height:418px}
  .endoscopic-card--base{grid-template-columns:320px 332px;gap:20px;padding:36px}
  .endoscopic-media{height:346px}
  .endoscopic-card--video video{border-radius:24px}
  .bci-section{height:auto;padding:32px 0 64px}
  .bci-panel{height:auto;min-height:680px;grid-template-columns:1fr;padding:32px;gap:28px}
  .bci-media{height:400px}
  .bci-panel.is-video-mode .bci-media{height:418px}
  .bci-caption{padding:0 40px;height:64px}
  .bci-caption-title,.bci-caption-desc{font-size:14px;line-height:20px}
  .health-section{height:auto;padding:0 0 56px}
  .health-layout{height:auto;grid-template-columns:1fr;gap:40px}
  .health-copy .section-title{margin-bottom:16px}
  .health-copy p{width:auto}
  .health-media{width:100%;height:auto;aspect-ratio:343/309;border-radius:16px}
  .partners-section{height:200px}
  .partners-grid-half{gap:18px;padding-right:18px}
  .partners-grid-wide{grid-template-columns:repeat(3,200px);gap:30px 18px}
  .partners-grid-squares{gap:18px}
  .partners-grid-wide .partner-logo{width:200px;height:60px}
  .partners-grid-squares .partner-logo{width:150px;height:150px}
  .partners-grid-squares .partner-logo img{max-width:108px;max-height:108px}
  .footer-main{height:220px;gap:24px}
  .map-card{width:300px;height:188px}
  .footer-nav{gap:44px}
  .footer-actions{gap:20px}
  .map-address-label,.map-address-value{font-size:12px}
  .footer-col a{font-size:14px}
  .footer-sublist a{font-size:14px}
  .legal-bar{font-size:12px}
  .contact-popover{padding:24px 20px;gap:12px;border-radius:20px}
  .cp-name{font-size:20px;line-height:24px}
  .cp-role{font-size:16px;line-height:24px}
  .cp-label,.cp-mail{font-size:16px;line-height:24px}
  .cp-mail-row{gap:12px}
}

@media (max-width:767px){
  :root{--shell:calc(100% - 32px);--header:48px}
  .site-nav{grid-template-columns:auto 1fr auto}
  .site-nav{padding:0 16px}
  .nav-actions{gap:16px}
  .nav-toggle{display:flex}
  .nav-links{display:none}
  .mobile-nav{position:fixed;top:var(--header);right:0;bottom:0;width:200px;background:#000000;display:flex;flex-direction:column;justify-content:space-between;align-items:flex-start;padding:0 0 48px;box-sizing:border-box;z-index:120;overflow-y:auto;transform:translateX(100%);visibility:hidden;transition:transform .28s var(--ease),visibility 0s .28s}
  body.nav-open .mobile-nav{transform:translateX(0);visibility:visible;transition:transform .28s var(--ease),visibility 0s 0s}
  .mobile-nav-links{display:flex;flex-direction:column;align-items:stretch;align-self:stretch;padding:8px;gap:4px;box-sizing:border-box}
  .mnav-item{display:flex;align-items:center;justify-content:flex-start;gap:10px;height:36px;padding:8px;box-sizing:border-box;background:#000;box-shadow:inset 0 -1px 0 rgba(255,255,255,.12);font-family:"D-DIN-PRO",Arial,sans-serif;font-weight:500;font-size:14px;line-height:20px;letter-spacing:.2px;color:rgba(255,255,255,.9);text-decoration:none;cursor:pointer;text-align:left}
  .mnav-item--parent{color:rgba(255,255,255,.9);box-shadow:none;border-bottom:none}
  .mnav-item::after,.mnav-sub::after{content:"";flex:0 0 16px;width:16px;height:16px;margin-left:auto;background:url("assets-v2/images/jump.png") center/contain no-repeat}
  .mnav-item--parent::after{display:none}
  .mnav-group{display:flex;flex-direction:column;align-items:stretch;gap:0;box-sizing:border-box;width:100%}
  .mnav-sub{display:flex;align-items:center;justify-content:flex-start;gap:10px;height:40px;padding:8px;box-sizing:border-box;background:#000;box-shadow:inset 0 -1px 0 rgba(255,255,255,.06);font-family:"D-DIN-PRO",Arial,sans-serif;font-weight:400;font-size:14px;line-height:24px;letter-spacing:.4px;color:rgba(255,255,255,.7);text-decoration:none;text-align:left}
  .mobile-nav-contact{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:8px;box-sizing:border-box}
  .mnav-contact-row{display:flex;flex-direction:column;justify-content:center;gap:0;height:40px;padding:0 8px;box-sizing:border-box;background:#000;box-shadow:inset 0 -1px 0 rgba(255,255,255,.06)}
  .mnav-role,.mnav-label{font-family:"D-DIN-PRO",Arial,sans-serif;font-weight:400;font-size:11px;line-height:20px;letter-spacing:1px;color:rgba(255,255,255,.7)}
  .mnav-name{font-family:"D-DIN-PRO",Arial,sans-serif;font-weight:700;font-size:12px;line-height:20px;letter-spacing:1px;color:#fff}
  .mnav-mail{font-family:"D-DIN-PRO",Arial,sans-serif;font-weight:500;font-size:12px;line-height:20px;letter-spacing:1px;color:rgba(255,255,255,.9)}
  .brand{width:86px}
  .hero{height:198px}
  .hero-image{object-position:center top}
  .hero-copy{top:50%;left:50%;bottom:auto;width:100%;transform:translate(-50%,-50%);text-align:center;align-items:center}
  .hero-copy h1{width:343px;max-width:100%;height:48px;margin:0 auto;font-family:"D-DIN-PRO",Arial,sans-serif;font-style:normal;font-weight:800;font-size:24px;line-height:24px;display:flex;align-items:center;justify-content:center;text-align:center;letter-spacing:1px;color:#fff;flex:none;order:2;z-index:2}
  .hero-copy p{display:none}
  html[data-lang="zh"] .hero-copy h1{letter-spacing:1px}
  .business-overview{height:auto;padding:32px 0 32px}
  .business-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;transform:none!important}
  .business-card{width:100%;height:auto;aspect-ratio:168/98;border-radius:10px;border-color:rgba(255,255,255,.14)}
  .business-card img{width:100%;height:100%;object-fit:cover;padding:0}
  .business-card-label{height:40px;padding:8px;font-size:16px;line-height:20px;letter-spacing:.3px}
  .company-overview{display:flex;flex-direction:column;align-items:stretch;justify-content:center;width:100%;padding:12px 16px;box-sizing:border-box;background:#17181a}
  .company-overview .company-intro{font-family:"D-DIN-PRO",Arial,sans-serif;font-style:normal;font-weight:400;font-size:14px;line-height:24px;letter-spacing:.1px;color:rgba(255,255,255,.7)}
  html[data-lang="zh"] .company-overview .company-intro{letter-spacing:1px}
  .company-overview .company-intro[data-clamp].clamp-snippet{font-size:14px;line-height:24px;color:rgba(255,255,255,.7)}
  .section-title{display:flex;align-items:center;justify-content:center;width:343px;max-width:100%;height:28px;margin:0 auto;text-align:center;font-family:"D-DIN-PRO",Arial,sans-serif;font-style:normal;font-weight:800;font-size:24px;line-height:28px;letter-spacing:1px;color:#fff;flex:0 0 auto;order:0;align-self:stretch}
  .product-tabs{height:48px;gap:24px;overflow-x:auto;scrollbar-width:none}
  .product-tab{height:48px;padding-bottom:12px;font-size:14px}
  html[data-lang="zh"] .product-tab{font-size:14px}
  .cardio-section{height:auto;padding:0px 0 32px}
  .cardio-section .section-title,.endoscopic-section .section-title,.bci-section .section-title{height:28px}
  .cardio-section .product-tabs{margin-top:8px}
  .cardio-panel{height:auto;grid-template-columns:1fr;gap:20px}
  .cardio-media{height:auto;aspect-ratio:343/221;border-radius:0 0 16px 16px}
  .cardio-copy{height:auto;padding:0;overflow:visible}
  .product-copy h3{font-size:18px;line-height:26px}
  .product-copy p,.product-copy li{font-size:13px;line-height:22px}
  .cardio-copy h3{margin-bottom:10px}
  .endoscopic-section{padding:0px 0 32px}
  .endoscopic-scroll-stage{height:auto;margin-top:24px}
  .endoscopic-stack{position:relative;top:auto;width:100%;height:auto;display:grid;gap:16px}
  .endoscopic-stack::before{display:none}
  .endoscopic-card{position:relative;inset:auto;width:100%;height:auto;transform:none!important;opacity:1!important;filter:none!important;box-shadow:none}
  .endoscopic-card--base{display:grid;grid-template-columns:1fr;gap:16px;padding:0;background:#17181a;border-radius:12px}
  .endoscopic-media{order:1;height:auto;aspect-ratio:343/221;border-radius:12px 12px 0 0}
  .endoscopic-copy{order:2;display:flex;flex-direction:column;gap:8px;padding:0 8px 8px;box-sizing:border-box;min-width:0}
  .endoscopic-copy h3{font-family:"D-DIN-PRO",Arial,sans-serif;font-weight:700;font-size:18px;line-height:24px;letter-spacing:.2px;color:rgba(255,255,255,.9);margin:0}
  .endoscopic-copy .product-clamp[data-clamp].clamp-snippet{font-size:14px;line-height:24px;letter-spacing:.1px;color:rgba(255,255,255,.7)}
  .endoscopic-card--video{aspect-ratio:16/9;border-radius:16px}
  .endoscopic-card--video video{border-radius:16px}
  .bci-section{height:auto;padding:0px 0 32px}
  .bci-section .product-tabs{margin-top:8px}
  .bci-panel{height:auto;min-height:0;grid-template-columns:1fr;gap:20px;padding:16px;border-radius:0 0 16px 16px}
  .bci-media{height:auto;aspect-ratio:311/271;border-radius:12px}
  .bci-panel.is-video-mode .bci-media{height:auto;aspect-ratio:16/9;border-radius:0 0 16px 16px}
  .bci-caption{left:0;right:0;padding:0 16px;gap:8px;height:56px;flex-direction:column}
  .bci-caption-title,.bci-caption-desc{max-width:100%;white-space:normal;line-height:18px;font-size:13px;text-align:center}
  .health-section{height:auto;padding:0 0 32px}
  .health-layout{height:auto;grid-template-columns:1fr;gap:16px;padding:0;background:#17181a;border-radius:12px}
  .health-copy{display:flex;flex-direction:column;align-items:stretch;gap:8px;padding:8px;box-sizing:border-box;text-align:left}
  .health-copy .section-title{margin:0 auto;font-size:24px;line-height:28px;font-weight:800;letter-spacing:1px;text-align:center;color:#fff}
  .health-copy p{width:100%;text-align:left;font-size:14px;line-height:24px;letter-spacing:.1px;color:rgba(255,255,255,.7)}
  .health-copy ul{margin-top:12px}
  .health-copy li{font-size:14px;line-height:24px}
  .health-media{width:100%;height:auto;aspect-ratio:343/309;border-radius:12px}
  .health-locator{bottom:14px;gap:8px}
  .health-dot{width:56px;height:4px;border-radius:12px}
  .cardio-section .cardio-panel,.cardio-section .product-tabs,
  .bci-section .bci-panel,.bci-section .product-tabs{display:none}
  .mobile-stack{display:flex;flex-direction:column;gap:16px;margin-top:24px}
  .mobile-stack-card{display:grid;grid-template-columns:1fr;gap:16px;padding:0;background:#17181a;border-radius:12px}
  .mobile-stack-media{position:relative;width:100%;height:auto;aspect-ratio:343/221;border-radius:12px 12px 0 0;overflow:hidden;background:#121314}
  .mobile-stack-card--video{display:flex;flex-direction:column;align-items:center;gap:18px;padding:0;background:var(--surface-raised);border-radius:12px}
  .mobile-stack-card--video .mobile-stack-media{width:100%;aspect-ratio:343/192;background:#121314;border-radius:0 0 12px 12px}
  .mobile-stack-media img,.mobile-stack-media video{width:100%;height:100%;object-fit:cover;display:block}
  .mobile-stack-card--overview .mobile-stack-media img{object-fit:contain;padding:0 28px}
  .mobile-stack-card--overview .mobile-stack-copy h3{font-family:"D-DIN-PRO",Arial,sans-serif;font-weight:700;font-size:20px;line-height:40px;letter-spacing:.4px;color:#fff;margin:0}
  .mobile-stack-copy{display:flex;flex-direction:column;gap:8px;padding:0 8px 8px;box-sizing:border-box;min-width:0}
  .mobile-stack-copy h3{font-family:"D-DIN-PRO",Arial,sans-serif;font-weight:700;font-size:18px;line-height:24px;letter-spacing:.2px;color:rgba(255,255,255,.9);margin:0}
  .mobile-stack-copy .product-clamp[data-clamp].clamp-snippet{font-size:14px;line-height:24px;letter-spacing:.1px;color:rgba(255,255,255,.7)}
  .mobile-stack-copy ul{margin-top:12px}
  .mobile-stack-caption{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:8px;width:100%;box-sizing:border-box;align-self:stretch;text-align:left}
  .mobile-stack-caption .bci-caption-head{white-space:normal;font-family:"D-DIN-PRO";font-weight:700;font-size:20px;line-height:40px;display:flex;align-items:center;letter-spacing:.4px;color:#fff;width:100%;text-align:left}
  .mobile-stack-caption .bci-caption-title{white-space:normal;font-family:"D-DIN-PRO";font-weight:500;font-size:14px;line-height:24px;display:flex;align-items:center;letter-spacing:.1px;color:rgba(255,255,255,.9);width:100%;text-align:left}
  .mobile-stack-caption .bci-caption-desc{white-space:normal;font-family:"D-DIN-PRO";font-weight:400;font-size:14px;line-height:24px;display:flex;align-items:center;letter-spacing:.1px;color:rgba(255,255,255,.7);width:100%;text-align:left}
  .partners-section{height:auto;gap:12px;padding:0 0 32px;background:#000}
  .partners-section::before,.partners-section::after{display:none}
  .partners-grid{display:none}
  .partners-grid-mobile{display:flex;flex-direction:column;gap:8px;width:var(--shell);margin:0 auto}
  .partners-grid-row{display:grid;gap:8px}
  .partners-grid-row--wide{grid-template-columns:repeat(3,minmax(0,1fr))}
  .partners-grid-row--square{grid-template-columns:repeat(4,minmax(0,1fr))}
  .partners-grid-mobile .partner-logo{width:auto;height:auto;border-radius:4px;background:#121314}
  .partners-grid-mobile .partner-logo--mwide{aspect-ratio:109/30;padding:5px 7px;box-sizing:border-box}
  .partners-grid-mobile .partner-logo--msquare{aspect-ratio:1/1;border-radius:8px;padding:6.5%;box-sizing:border-box}
  .partner-logo--mwide img,.partner-logo--msquare img{max-width:100%;max-height:100%;object-fit:contain;display:block}
  .partners-contact{display:flex;flex-direction:column;align-items:stretch;gap:4px;padding:12px 16px;background:#17181a}
  .partners-contact-row{display:flex;flex-direction:row;justify-content:space-between;align-items:center;gap:16px;min-width:0;height:28px}
  .partners-name{font-family:"D-DIN-PRO",Arial,sans-serif;font-style:normal;font-weight:700;font-size:16px;line-height:28px;letter-spacing:1px;color:#fff;flex:0 0 auto}
  .partners-role{font-weight:500;font-size:14px;line-height:28px;letter-spacing:1px;color:rgba(255,255,255,.9);flex:0 0 auto}
  .partners-label{font-weight:400;font-size:14px;line-height:28px;letter-spacing:1px;color:rgba(255,255,255,.7);flex:0 0 auto}
  .partners-mail{font-weight:500;font-size:14px;line-height:28px;letter-spacing:1px;color:rgba(255,255,255,.9);flex:0 0 auto;max-width:60%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .bottom-nav{display:flex;flex-direction:column;gap:8px;margin:32px 0 0;padding:0 16px;width:100%;box-sizing:border-box}
  .bottom-nav-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .bn-link{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 12px;height:36px;background:#000;box-shadow:inset 0 -1px 0 rgba(255,255,255,.12);text-decoration:none;cursor:pointer;font-family:"D-DIN-PRO",Arial,sans-serif;font-style:normal;font-weight:500;font-size:14px;line-height:20px;letter-spacing:.2px;color:rgba(255,255,255,.9);box-sizing:border-box;min-width:0}
  .bn-link::after{content:"";flex:0 0 16px;width:16px;height:16px;background:url("assets-v2/images/jump.png") center/contain no-repeat}
  .bn-link--full{width:100%;box-shadow:none}
  .bn-link--sub{height:40px;font-weight:400;line-height:24px;letter-spacing:.4px;color:rgba(255,255,255,.7);box-shadow:inset 0 -1px 0 rgba(255,255,255,.06)}
  [data-clamp]{position:relative;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
  [data-clamp].clamp-none{-webkit-line-clamp:unset;overflow:visible}
  [data-clamp].clamp-snippet{display:block;-webkit-line-clamp:unset;overflow:visible;width:100%;max-width:100%;font-family:"D-DIN-PRO",Arial,sans-serif;font-style:normal;font-weight:400;font-size:13px;line-height:22px;letter-spacing:.1px;color:rgba(255,255,255,.7);text-align:left}
  html[data-lang="zh"] [data-clamp].clamp-snippet{letter-spacing:1px}
  [data-clamp].is-expanded{display:block;-webkit-line-clamp:unset;overflow:visible}
  .mobile-stack-card,.cardio-panel,.endoscopic-card--base,.bci-panel,.health-layout{grid-template-columns:minmax(0,1fr)}
  .mobile-stack-copy,.cardio-copy,.endoscopic-copy,.bci-copy,.health-copy{min-width:0}
  .clamp-snippet .clamp-l1{display:block;overflow:hidden}
  .clamp-snippet .clamp-l2{display:block;max-width:calc(100% - 96px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .clamp-toggle{position:absolute;right:0;bottom:0;display:flex;flex-direction:row;align-items:center;gap:4px;height:24px;margin:0;padding:0;border:0;background:none;font-family:"D-DIN-PRO",Arial,sans-serif;font-style:normal;font-weight:500;font-size:14px;line-height:24px;letter-spacing:.1px;color:#0082FB;cursor:pointer;white-space:nowrap}
  .clamp-toggle:hover{opacity:.85}
  .clamp-toggle .clamp-caret{width:16px;height:16px;flex:none;background:url("assets-v2/images/fulltext.png") center/contain no-repeat;font-size:0}
  [data-clamp].is-expanded > .clamp-toggle{margin:8px 0 0 auto;width:fit-content;display:flex;padding:0;background:none}
  .clamp-toggle .clamp-caret{transition:opacity .2s var(--ease)}
  .clamp-toggle.is-open .clamp-caret{background-image:url("assets-v2/images/collapse.png")}
  .footer-main{display:block;height:auto;padding:32px 0 0;gap:28px;width:100%}
  .map-wrap{position:relative;width:100%}
  .map-card{width:100%;height:auto;aspect-ratio:343/218}
  .map-card::before{content:"";position:absolute;top:0;left:0;right:0;height:81px;background:linear-gradient(180deg,#000 0%,#000 29.6%,rgba(9,10,10,0) 100%);pointer-events:none;z-index:1}
  .map-address{position:absolute;z-index:2;top:16px;left:50%;transform:translateX(-50%);white-space:nowrap}
  .footer-nav{display:none}
  .footer-actions{display:none}
  .legal-bar{display:flex;flex-direction:row;justify-content:space-between;align-items:center;gap:0;padding:12px 16px;height:48px;box-sizing:border-box;text-align:center;background:#0e0e0e;border-top:none;font-family:"Source Han Sans SC",Arial,sans-serif;font-style:normal;font-weight:400;font-size:11px;line-height:24px;letter-spacing:.3px;color:rgba(255,255,255,.7);white-space:nowrap}
  .contact-popover{right:58px;width:180px}
}

/* 需求：强弱动态不影响动效。轮播、Endoscopic 堆叠、合作伙伴 marquee、
   入场 reveal、业务卡落位、平滑滚动等均始终播放（不响应 prefers-reduced-motion）。*/