:root {
  --ink:#202631;
  --muted:#707985;
  --red:#c91e36;
  --line:#e4e7eb;
  --pale:#f6f7f9;
  --font:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;background:#fff;color:var(--ink);font:14px/1.9 var(--font)}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
button{border:0;cursor:pointer;color:inherit;background:none}
button,a{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible,[role="tabpanel"]:focus-visible{outline:2px solid var(--red);outline-offset:5px}
input:focus,textarea:focus{outline:2px solid var(--red);outline-offset:2px}
img{display:block;max-width:100%;object-fit:cover}
h1,h2,h3,p{margin:0}
[hidden]{display:none!important}
::selection{background:#f5d6dc}
.wrap{width:min(1200px,86%);margin-inline:auto}
.section{padding-block:70px}
.header{height:88px;padding-inline:7%;display:flex;align-items:center;justify-content:space-between;gap:30px;position:sticky;top:0;z-index:30;background:#ffffffed;backdrop-filter:blur(16px);border-bottom:1px solid #eef0f3}
.brand{display:flex;align-items:center;gap:15px}
.brand img{width:42px;height:42px;object-fit:contain}
.brand strong{font-size:18px;font-weight:550;letter-spacing:.5px}
.header nav{display:flex;gap:43px;align-items:center;height:100%}
.header nav a{display:flex;align-items:center;height:100%;font-size:13px;position:relative;white-space:nowrap}
.header nav a:after{content:"";height:2px;position:absolute;left:0;right:0;bottom:21px;background:var(--red);transform:scaleX(0);transition:transform .2s}
.header nav a.active{color:var(--red)}
.header nav a.active:after,.header nav a:hover:after{transform:scaleX(1)}
.menu-toggle{display:none}
.hero{position:relative;width:99%;aspect-ratio:142/70;margin:0 auto;overflow:hidden;background:#dce5ee}
.hero-track{position:absolute;inset:0;display:flex;transition:transform .6s ease-in-out}
.hero-image{flex:0 0 100%;width:100%;height:100%;max-width:none;object-position:center}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:58px;border-radius:4px;background:#ffffffb3;color:#42546b;font:38px/1 Georgia,serif;transition:background .2s}
.hero-arrow:hover{background:#fff}
.hero-prev{left:20px}.hero-next{right:20px}
.carousel-dots{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);display:flex;gap:4px}
.carousel-dots button{display:grid;place-items:center;width:28px;height:28px;padding:0}
.carousel-dots button:before{content:"";width:10px;height:10px;border:1px solid #fff;border-radius:50%;background:#ffffff66;box-shadow:0 1px 4px #0003}
.carousel-dots button[aria-pressed="true"]:before{background:var(--red);border-color:var(--red)}
.carousel-toggle{position:absolute;bottom:16px;right:16px;padding:8px 14px;background:#fff;color:var(--ink);opacity:0;pointer-events:none}
.carousel-toggle:focus-visible{opacity:1;pointer-events:auto}
.metrics{margin-top:30px;display:grid;grid-template-columns:repeat(3,1fr);background:#fff;border:1px solid var(--line);border-radius:9px;box-shadow:0 12px 32px #273b5210;padding:30px 0}
.metrics article{display:flex;gap:24px;align-items:center;justify-content:center;border-right:1px solid var(--line)}
.metrics article:last-child{border:0}
.metrics img{width:42px;height:42px;object-fit:contain}
.metrics article>div{display:flex;align-items:baseline;gap:13px}
.metrics article>div>span{font-size:12px;color:var(--muted)}
.metrics strong{font:500 32px/1.4 "Bahnschrift","DIN Alternate",var(--font);letter-spacing:-1px}
.metrics small{font:11px var(--font);margin-inline:3px;letter-spacing:0}
.belief{text-align:center;max-width:1080px;padding-top:82px;padding-bottom:48px}
.belief h2{font-size:30px;font-weight:500;line-height:1.7;letter-spacing:.5px}
.dash{color:var(--red);display:block;margin:18px 0}
.belief p{font-size:14px;line-height:2.3;color:var(--muted);text-align:left}
.gallery{display:grid;grid-template-columns:repeat(10,1fr);gap:16px}
.gallery .gallery-photo{overflow:hidden;background:var(--pale);border-radius:7px;height:245px;grid-column:span 4}
.gallery .gallery-photo:first-child{grid-column:span 2}
.gallery .gallery-photo:nth-child(n+4){grid-column:span 5;height:290px}
.gallery img{height:100%;width:100%;}
.platforms{display:grid;grid-template-columns:repeat(6,1fr);align-items:center;gap:40px;padding:42px 10px 57px}
.platforms img{width:100%;height:49px;object-fit:contain}
.page-banner{position:relative;height:230px;margin:20px 24px 0;border-radius:9px;overflow:hidden;background:var(--pale)}
.page-banner>img{width:100%;height:100%;object-position:center}
.page-banner:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#18212cb3,transparent 75%)}
.page-banner>.wrap{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);z-index:1}
.page-banner h1{font-size:36px;font-weight:500;letter-spacing:3px;color:#fff}
:is(.about-page,.contact-page) .header{height:70px;padding-inline:max(24px,calc((100% - 810px)/2));background:#fff;border:0;backdrop-filter:none;box-shadow:0 2px 7px #0001}
:is(.about-page,.contact-page) .brand strong{font-size:18px;font-weight:400;letter-spacing:0}
:is(.about-page,.contact-page) .header nav{gap:58px}
:is(.about-page,.contact-page) .header nav a.active{color:#ffbc00}
:is(.about-page,.contact-page) .header nav a:after{background:#ffbc00;bottom:0}
.about-page .page-banner{width:100%;height:auto;aspect-ratio:1918/300;margin:0;border-radius:0}
.about-page .page-banner:after{display:none}
.about-page .about-section>.wrap{width:min(1108px,calc(100% - 32px))}
:is(.about-page,.contact-page) footer{width:100%;background:#f4f4f4}
:is(.about-page,.contact-page) .footer-bottom{border:0;padding:24px 0;color:#999;font-size:12px}
.about-section{padding-top:0;padding-bottom:20px}
.section-nav{display:flex;gap:0;border-bottom:1px solid var(--line);margin-bottom:20px}
.section-nav [role="tab"]{position:relative;flex:1;padding:15px 0;border-bottom:2px solid transparent;font-size:14px;margin-bottom:-1px;white-space:nowrap;color:#000}
.section-nav [role="tab"]:not(:last-child):after{content:"";position:absolute;right:0;top:18px;height:16px;border-right:1px solid #ddd}
.section-nav [role="tab"][aria-selected="true"]{color:#ffbc00;border-bottom-color:#ffbc00}
.section-nav [role="tab"]:hover{color:#ffbc00}
.about-tabs [role="tabpanel"]{min-height:0;padding-inline:16px}
.intro-text{max-width:none;margin-inline:0;padding-block:0}
.intro-text p{font-family:Optima-Regular,PingFangTC-light;font-size:13px;font-weight:400;line-height:21px;letter-spacing:1.8px;color:#000;text-align:justify;margin-bottom:24px;text-indent:2em}
.intro-text p:last-child{margin-bottom:0}
.section-head{margin-bottom:29px}
.section-head h2{font-size:25px;font-weight:500;letter-spacing:.5px}
.timeline{list-style:none;counter-reset:history;padding:0;width:calc(100% - 100px);margin:30px 0 0 100px;font-family:Optima-Regular,PingFangTC-light}
.timeline li{counter-increment:history;position:relative;border-left:1px solid #a71510;padding:0 0 20px 22px}
.timeline li:last-child{padding-bottom:0}
.timeline li:before{content:counter(history);position:absolute;top:0;left:-11px;width:22px;height:22px;display:grid;place-items:center;background:#a71510;color:#fff;font:12px/1 var(--font);border-radius:50%;box-shadow:0 0 0 3px #fff}
.timeline .year{font-size:13px;font-weight:700;line-height:20px;color:#a71510;margin:0 0 0 70px}
.timeline .year span{font:inherit}
.timeline p{font-size:13px;color:#000;line-height:20px}
.timeline .source-note{color:#999}
.advantage-grid{display:grid;grid-template-columns:1fr;gap:30px;max-width:1020px}
.advantage{display:grid;grid-template-columns:104px 1fr;column-gap:30px;align-items:center;font-family:Optima-Regular,PingFangTC-light}
.advantage-top{margin:0 0 12px 24px}
.advantage-top img{width:80px;height:80px;object-fit:contain;border-radius:50%}
.advantage h3{justify-self:start;margin:0 0 12px 8px;padding:5px 12px;border-block:2px solid #a71510;color:#a71510;font-size:13px;font-weight:700;line-height:18px;letter-spacing:1px;text-align:center}
.advantage>p{grid-column:1/-1;background:#f9f9f9;padding:30px;font-size:13px;color:#222;line-height:20px;letter-spacing:1.8px}
.benefit-grid{display:block;font-family:Optima-Regular,PingFangTC-light;letter-spacing:1px}
.benefit{margin-bottom:24px}
.benefit:last-child{margin-bottom:0}
.benefit h3{font-size:13px;font-weight:700;line-height:21px;color:#ce0e19;margin-bottom:0}
.benefit ul{padding:0;margin:0;list-style:none}
.benefit li{font-size:13px;color:#222;line-height:21px;padding:0}
.contact-band{background:#f9f9f9;padding:114px 0 90px}
.contact-overview{display:grid;grid-template-columns:1fr 1fr;align-items:start;gap:26px}
.contact-page .wrap{width:min(1108px,calc(100% - 32px))}
.contact-page footer.wrap{width:100%}
.contact-page .page-banner{width:100%;height:clamp(120px,14.1vw,300px);margin:0;border-radius:0}
.contact-page .page-banner:after{display:none}
.contact-copy{padding-top:24px}
.contact-photo{width:100%;height:auto;aspect-ratio:3/2;border-radius:0}
.contact-copy h2{font-size:14px;font-weight:400;line-height:24px;margin-bottom:0}
.contact-copy dl{margin:0;text-align:left}
.contact-copy dl>div{margin:0;font-size:14px;line-height:24px;color:#777}
.contact-copy dt{display:inline}
.contact-copy dd{display:inline;margin:0;overflow-wrap:anywhere}
.contact-copy a:hover{color:var(--red)}
.location-map{display:block;position:relative;border:1px solid var(--line);border-radius:8px;overflow:hidden;margin:60px auto 50px;background:var(--pale)}
.location-map img{width:100%;height:auto;min-height:230px;object-fit:cover}
.location-map>span{position:absolute;right:18px;bottom:18px;background:#fff;padding:8px 15px;border-radius:4px;box-shadow:0 3px 12px #17283818;font-size:11px}
#contact-form{padding-bottom:40px}
.form-heading{display:flex;justify-content:space-between;font-size:23px;font-weight:500;margin-bottom:26px}
.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.form-grid label{display:block;font-size:12px;color:#626c79}
.form-grid label:last-child{grid-column:1/-1}
.required{color:var(--red);margin-left:4px}
.form-grid input,.form-grid textarea{display:block;width:100%;margin-top:12px;border:0;border-radius:0;background:#f7f7f7;padding:13px 18px;font-size:13px;color:var(--ink)}
.form-grid textarea{resize:vertical;min-height:100px}
.form-grid input::placeholder,.form-grid textarea::placeholder{color:#929aa5;font-size:12px}
.form-note{font-size:11px;color:var(--muted);margin:20px 0}
.button{display:inline-flex;gap:28px;align-items:center;justify-content:space-between;min-height:48px;margin-top:24px;padding:12px 24px;border-radius:8px;font-size:13px;font-weight:500;transition:background .2s,box-shadow .2s,transform .2s}
.primary{background:#34495e;color:#fff;box-shadow:0 4px 12px #23384d18}
.primary:hover{background:#253b50;box-shadow:0 6px 16px #23384d26;transform:translateY(-1px)}
.primary:active{transform:translateY(0);box-shadow:0 2px 6px #23384d18}
.primary:focus-visible{outline-color:#34495e}
.footer-bottom{border-top:1px solid var(--line);padding:24px 0 28px;color:#87909b;font-size:11px;text-align:center}
.cookie-notice{position:fixed;z-index:40;bottom:18px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:24px;width:710px;max-width:calc(100% - 28px);padding:14px 18px;background:#fff;border:1px solid var(--line);border-radius:7px;box-shadow:0 7px 40px #15233120}
.cookie-notice p{font-size:10px;line-height:1.8;color:var(--muted)}
.cookie-notice p button{font:inherit;padding:0;text-decoration:underline}
.cookie-notice>button{white-space:nowrap;background:var(--ink);color:#fff;font-size:10px;padding:9px 14px;border-radius:3px}
.cookie-notice>button span{margin-left:12px}
dialog{border:0;padding:35px;border-radius:8px;width:min(520px,92vw);max-height:92vh;box-shadow:0 20px 90px #0004}
dialog::backdrop{background:#111a27cf;backdrop-filter:blur(4px)}
.dialog-close{position:absolute;top:14px;right:14px;width:36px;height:36px;background:#fff;border-radius:50%;font-size:25px;z-index:1;box-shadow:0 1px 10px #0002}
#cookie-dialog h2{font-size:27px}
#cookie-dialog p{font-size:13px;color:var(--muted);margin-top:20px}
.visually-hidden,.skip-link:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.skip-link:focus{position:fixed;top:12px;left:12px;background:#fff;padding:12px;z-index:99}
@media(max-width:1100px){
  .metrics article{gap:15px}.metrics article>div{display:block}.metrics strong{font-size:29px}
  .brand strong{font-size:16px}.header nav{gap:30px}.platforms{gap:25px}
  .contact-overview{gap:26px}
}
@media(max-width:760px){
  html{scroll-padding-top:80px}
  .wrap{width:88%}.section{padding-block:42px}
  .header{height:74px;padding-inline:6%;gap:12px}
  .brand{gap:9px}.brand img{width:32px;height:32px}.brand strong{font-size:13px;letter-spacing:0}
  .header nav{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;height:auto;gap:0;padding:12px 6%;border-bottom:1px solid var(--line)}
  .header nav.open{display:flex}.header nav a{padding:12px 0;font-size:12px}.header nav a:after{display:none}
  .menu-toggle{display:flex;flex-direction:column;gap:6px;padding:10px 0 10px 8px}.menu-toggle span{width:22px;height:1px;background:var(--ink)}
  .hero{width:100%;margin:0}
  .hero-arrow{width:32px;height:44px;font-size:30px}.hero-prev{left:10px}.hero-next{right:10px}
  .metrics{margin-top:15px;padding:20px 0;box-shadow:none}
  .metrics article{flex-direction:column;gap:9px;text-align:center}.metrics img{width:28px;height:28px}
  .metrics article>div>span{font-size:9px}.metrics strong{display:block;font-size:26px;margin-top:4px}.metrics small{font-size:9px}
  .belief{padding-top:42px;padding-bottom:28px}.belief h2{font-size:22px;line-height:1.7;letter-spacing:0}.dash{margin:13px 0}.belief p{font-size:12px;line-height:2.2}
  .gallery{grid-template-columns:repeat(2,1fr);gap:11px}
  .gallery .gallery-photo,.gallery .gallery-photo:first-child,.gallery .gallery-photo:nth-child(n+4){grid-column:auto;height:145px}
  .gallery .gallery-photo:first-child{grid-column:1/-1;height:240px}
  .gallery .gallery-photo:first-child img{object-position:50% 58%}
  .platforms{grid-template-columns:repeat(3,1fr);gap:23px;padding:30px 0 36px}.platforms img{height:31px}
  .page-banner{margin:12px 12px 0;height:160px;border-radius:7px}.page-banner h1{font-size:27px;letter-spacing:2px}.page-banner>img{object-position:62% center}
  :is(.about-page,.contact-page) .header{height:70px;padding-inline:16px}:is(.about-page,.contact-page) .brand strong{font-size:13px}:is(.about-page,.contact-page) .header nav{top:70px;gap:0}
  .about-page .page-banner{aspect-ratio:1918/300;min-height:120px}.about-page .page-banner>img{position:absolute;inset:0;object-position:center}
  .about-section{padding-top:0;padding-bottom:20px}
  .section-nav{margin-bottom:20px}.section-nav [role="tab"]{padding:15px 0;font-size:12px}
  .about-tabs [role="tabpanel"]{padding-inline:0}.intro-text p{font-size:18px;line-height:29.4px;margin-bottom:20px}
  .section-head{margin-bottom:23px}.section-head h2{font-size:22px}
  .timeline{width:auto;margin:24px 12px 0}.timeline li{padding-left:20px;padding-bottom:24px}.timeline .year{font-size:18px;line-height:28px;margin-left:0}.timeline p{font-size:16px;line-height:26px}.timeline li:before{top:3px}
  .advantage-grid{gap:24px}.advantage{grid-template-columns:80px 1fr;column-gap:16px}.advantage-top{margin-left:0}.advantage h3{margin-left:0;font-size:16px;line-height:24px}.advantage>p{padding:20px;font-size:16px;line-height:26px;letter-spacing:1px}
  .benefit h3,.benefit li{font-size:18px;line-height:29.4px}
  .contact-band{padding:40px 0}.contact-overview{grid-template-columns:1fr;gap:24px}.contact-copy{padding-top:0}
  .contact-copy dl>div{font-size:13px}
  .location-map{margin:34px auto}.location-map img{min-height:0}.location-map>span{position:static;display:block;padding:8px 12px;text-align:right;border-radius:0;box-shadow:none;font-size:10px}
  #contact-form{padding-bottom:30px}.form-grid{grid-template-columns:1fr;gap:18px}.form-grid input,.form-grid textarea{font-size:16px}
  .form-note{font-size:10px}.button{padding:11px 22px}
  .footer-bottom{font-size:10px;padding:21px 0 24px}
  .cookie-notice{padding:11px;gap:12px;bottom:12px}.cookie-notice p{font-size:9px}.cookie-notice>button{font-size:9px;padding:8px 10px}.cookie-notice>button span{display:none}
  .dialog-close{width:33px;height:33px;top:9px;right:9px}
}
@media(max-width:360px){.brand strong{font-size:12px}.brand img{width:28px;height:28px}.header{padding-inline:5%}.section-nav [role="tab"]{font-size:10px}.belief h2{font-size:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}