:root {
  --red:#dc1025; --red-dark:#a70b1c; --text:#232427; --muted:#55575e; --rule:#e4e4e7; --grey:#f5f5f6;
  --font:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif; --wide:1720px; --width:1400px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--text);font:16px/1.65 var(--font)}
[hidden]{display:none!important}
button,input{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--red);outline-offset:4px}
main:focus{outline:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,p{margin:0}
.wrap{width:min(calc(100% - 96px),var(--width));margin-inline:auto}
.skip-link{position:fixed;z-index:10;top:8px;left:8px;padding:7px 14px;background:#fff;color:#191919;transform:translateY(-150%)}
.skip-link:focus{transform:none}
[data-icon]{display:inline-flex;align-items:center;justify-content:center;flex:none}
.site-header{position:absolute;z-index:4;inset:0 0 auto;color:#fff;border-bottom:1px solid #ffffff56;background:#0003}
.site-header.inside,.site-header.menu-open{position:relative;background:#fff;color:#222;border-color:var(--rule)}
.header-inner{width:min(90%,var(--wide));min-height:clamp(82px,6.5vw,124px);margin:auto;display:flex;align-items:center;gap:clamp(16px,2.6vw,54px)}
.brand{display:inline-flex;flex:none;flex-direction:column;align-items:center;justify-content:center;width:clamp(98px,8vw,155px);line-height:1}
.brand-mark{width:100%;aspect-ratio:258/70;overflow:hidden;display:block}
.brand-mark img{width:100%;max-width:none}
.brand-zh{display:block;margin-top:2px;font-size:clamp(14px,1.3vw,24px);font-weight:900;letter-spacing:.02em;white-space:nowrap}
.logo-dark,.inside .logo-light,.menu-open .logo-light{display:none}
.inside .logo-dark,.menu-open .logo-dark{display:block}
.primary-nav{display:flex;align-items:center;gap:clamp(15px,1.65vw,34px);white-space:nowrap}
.primary-nav>a,.download-nav,.nav-group>summary{display:inline-flex;align-items:center;gap:7px;font-size:clamp(13px,1.04vw,19px)}
.nav-group{position:relative}
.nav-group>summary{cursor:pointer;list-style:none;gap:3px}
.nav-group>summary::-webkit-details-marker{display:none}
.nav-group>summary svg{width:13px;height:13px}
.nav-group[open]>summary{color:#ff5a69}
.inside .nav-group[open]>summary,.menu-open .nav-group[open]>summary{color:var(--red)}
.nav-dropdown{position:absolute;top:calc(100% + 11px);left:-12px;min-width:180px;display:grid;background:#fff;color:var(--text);border-top:2px solid var(--red);box-shadow:0 7px 20px #0003;padding:5px 0}
.nav-dropdown a{padding:7px 12px;font-size:14px}
.nav-dropdown a:hover,.nav-dropdown [aria-current]{color:var(--red-dark);background:var(--grey)}
.primary-nav>a:hover,.download-nav:hover{color:#ff5a69}
.inside .primary-nav>a:hover,.inside .primary-nav>a[aria-current],.inside .download-nav:hover{color:var(--red)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:clamp(10px,1.2vw,25px);white-space:nowrap}
.round{border:1px solid currentColor;background:transparent;color:inherit;border-radius:50%;width:39px;height:39px;display:inline-grid;place-items:center;padding:0}
.round:hover{color:var(--red)}
.language{position:relative}
.language summary{list-style:none;cursor:pointer;min-width:116px;display:flex;align-items:center;justify-content:space-between;gap:9px;border:1px solid currentColor;border-radius:22px;padding:4px 13px;font-size:14px}
.language summary::-webkit-details-marker{display:none}
.language a{position:absolute;top:calc(100% + 6px);right:0;min-width:154px;background:#fff;color:#222;border:1px solid var(--rule);padding:7px 12px;box-shadow:0 5px 16px #0002;font-size:13px}
.language a+a{top:calc(100% + 42px)}
.language a:hover{color:var(--red)}
.menu-button{display:none}
.hero{position:relative;display:grid;align-items:center;min-height:540px;height:100svh;max-height:1100px;overflow:hidden;background:#12151a;color:#fff}
.hero-photo,.hero-tint{position:absolute;inset:0;width:100%;height:100%}
.hero-photo{object-fit:cover;object-position:center}
.hero-tint{background:linear-gradient(90deg,#0007 0%,#0002 58%,transparent),linear-gradient(180deg,#0006 0%,transparent 23%,transparent 85%,#0005)}
.hero-inner{position:relative;width:min(81.4%,1560px);margin-inline:auto;padding-top:0}
.hero h1{max-width:780px;line-height:1.28;letter-spacing:.03em;font-size:clamp(40px,3.48vw,69px);font-weight:450;text-shadow:0 2px 15px #0005}
.hero h1::before{content:"";display:block;margin-bottom:18px;width:clamp(70px,6.8vw,130px);height:3px;background:#fff}
.hero h1 span,.hero h1 strong{display:block}
.hero h1 strong{color:#e72237;font-weight:800}
.carousel-controls{position:absolute;display:flex;justify-content:center;align-items:center;gap:13px;bottom:21px;left:0;right:0;padding-inline:16px}
.slide-dots{display:flex;align-items:center;gap:15px}
.slide-dots button{width:13px;height:13px;padding:0;border:0;border-radius:50%;background:#ffffffb8}
.slide-dots button[aria-pressed="true"]{background:var(--red)}
.carousel-arrow,.carousel-pause{width:32px;height:32px;display:inline-grid;place-items:center;border:0;background:#0003;color:#fff;border-radius:50%;padding:0}
.carousel-arrow:hover,.carousel-pause:hover{background:#0008}
.carousel-pause{font-size:13px}
.section{padding-block:64px 75px}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:29px}
.section-heading h2,.home-green h2{font-size:clamp(30px,3vw,50px);line-height:1.2;letter-spacing:.04em}
.section-heading h2::after{content:"";display:block;width:44px;height:3px;background:var(--red);margin-top:13px}
.text-link{color:var(--red-dark);font-weight:700;display:inline-flex;align-items:center;gap:4px}
.text-link:hover{text-decoration:underline}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{display:flex;flex-direction:column;min-width:0;background:#fff;border:1px solid var(--rule)}
.news-card img{width:100%;aspect-ratio:1.78;object-fit:cover;background:#ededee}
.news-copy{display:flex;flex-direction:column;flex:1;padding:19px 21px 20px}
.news-copy time{font-size:13px;color:var(--muted);letter-spacing:.06em}
.news-copy h3{font-size:clamp(16px,1.37vw,22px);line-height:1.45;margin:6px 0 8px}
.news-copy p{font-size:14px;color:var(--muted);margin-bottom:14px}
.news-copy .text-link{align-self:start;margin-top:auto;font-size:14px}
.home-green{position:relative;display:grid;align-items:center;min-height:460px;background:#243321;color:#fff;isolation:isolate}
.home-green>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.home-green::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#152312db,#20341b33 72%);z-index:-1}
.home-green-content{padding-block:47px}
.home-green p{margin:14px 0 21px;max-width:410px;font-size:18px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:8px 16px;min-height:42px;border:1px solid transparent;font-size:14px;font-weight:700}
.button.red{background:var(--red);color:#fff}
.button.red:hover{background:var(--red-dark)}
.button.light{color:#fff;border-color:#fff;background:#0002}
.button.light:hover{background:#fff;color:#262626}
.button.outline{background:#fff;border-color:#ceced2;color:#333}
.button.outline:hover{border-color:var(--red);color:var(--red)}
.site-footer{background:#202125;color:#eee}
.footer-main{display:grid;grid-template-columns:auto 1fr auto;gap:clamp(25px,5vw,70px);padding-block:38px}
.footer-main p{font-size:13px;color:#c4c4ca;margin-top:13px}
.footer-main nav{display:flex;gap:11px 23px;align-content:start;flex-wrap:wrap;font-size:14px}
.footer-main a:hover,.footer-bottom a:hover{text-decoration:underline}
.footer-reference{font-size:14px;color:#ddd}
.footer-bottom{border-top:1px solid #ffffff30;color:#bbb;font-size:12px}
.footer-bottom .wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:48px}
.footer-policies{display:flex;gap:16px;flex-wrap:wrap}
.subhero{position:relative;isolation:isolate;display:grid;align-items:end;min-height:270px;background:#242528;color:#fff}
.subhero img,.subhero::before{position:absolute;inset:0;width:100%;height:100%}
.subhero img{z-index:-2;object-fit:cover;object-position:center}
.subhero::before{content:"";z-index:-1;background:linear-gradient(90deg,#101015db,#10101566 75%)}
.subhero .wrap{padding-block:48px}
.subhero h1{font-size:clamp(29px,3.3vw,58px);line-height:1.2}
.subhero p{margin-top:10px;max-width:650px;color:#f2f2f3}
.crumb{display:flex;gap:10px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:13px;padding:15px 0;border-bottom:1px solid var(--rule)}
.crumb a:hover{color:var(--red)}
.body-section{padding-block:38px 67px}
.body-section>h2{font-size:28px;margin-bottom:11px}
.page-end{margin-top:22px}
.page-actions{display:flex;gap:8px;flex-wrap:wrap}
.subpage-links{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:18px}
.subpage-links a{border:1px solid var(--rule);padding:5px 11px;font-size:14px}
.subpage-links a:hover{border-color:var(--red);color:var(--red-dark)}
.sitemap-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.sitemap-grid section{border:1px solid var(--rule);padding:15px}
.sitemap-grid h2{font-size:18px}
.sitemap-grid ul{padding-left:22px;margin:9px 0 0}
.sitemap-grid a:hover{text-decoration:underline;color:var(--red-dark)}
.lede{max-width:800px;color:var(--muted);margin-bottom:23px}
.tabs{display:flex;gap:0;flex-wrap:wrap;border-bottom:1px solid var(--rule);margin-bottom:24px}
.tabs>a,.tabs>button{background:none;border:0;border-bottom:3px solid transparent;color:#333;padding:10px clamp(8px,1.4vw,24px);font-weight:700;font-size:14px}
.tabs [aria-current],.tabs [aria-pressed="true"]{border-bottom-color:var(--red);color:var(--red-dark)}
.tabs a:hover,.tabs button:hover{color:var(--red)}
.search-field{display:flex;align-items:center;gap:10px;min-height:45px;border:1px solid #d3d3d7;padding-inline:11px;color:var(--muted);width:min(100%,440px)}
.search-field:focus-within{border-color:var(--red)}
.search-field input{flex:1;min-width:0;border:none;outline:none;background:transparent;color:var(--text)}
.search-field input:focus-visible{outline:none}
.catalog-top{display:flex;gap:15px;align-items:center;justify-content:space-between;margin-bottom:19px}
.catalog-top p{color:var(--muted);font-size:14px;white-space:nowrap}
.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.catalog-card{border:1px solid var(--rule);padding:21px 20px;min-width:0;background:#fff}
.catalog-card:hover{border-color:#c1c1c8}
.catalog-card .series{font-weight:800;color:var(--red-dark);font-size:14px;letter-spacing:.04em}
.catalog-card h3{margin:4px 0 6px;font-size:19px;line-height:1.4}
.catalog-card p{font-size:14px;color:var(--muted);margin-bottom:10px}
.catalog-card .text-link{font-size:14px}
.observed-card .observed-image{display:grid;place-items:center;min-height:145px;background:var(--grey);margin-bottom:13px}
.observed-card .source-photo{width:100%;height:145px;object-fit:contain;padding:10px}
.source-photo{width:100%;object-fit:contain}
.pagination{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:7px;margin-top:23px}
.pagination>a,.pagination button{display:inline-grid;place-items:center;min-width:34px;min-height:34px;padding:3px 7px;border:1px solid var(--rule);color:var(--text);background:#fff}
.pagination>[aria-current],.pagination a:hover,.pagination button:hover{border-color:var(--red);color:var(--red-dark)}
.pagination form{display:flex;align-items:center;gap:5px;margin-left:8px;font-size:13px}
.pagination input{width:53px;border:1px solid var(--rule);padding:4px}
.product-record{display:grid;grid-template-columns:minmax(240px,1fr) minmax(0,1fr);gap:26px;align-items:start}
.product-record figure{margin:0;background:var(--grey)}
.product-record:not(:has(.product-gallery)){grid-template-columns:1fr}
.product-record .source-photo{height:320px;padding:20px}
.product-thumbnails{display:flex;gap:7px;flex-wrap:wrap;margin-top:8px}
.product-thumbnails button{display:grid;place-items:center;width:58px;height:52px;padding:0;background:#fff;border:1px solid var(--rule)}
.product-thumbnails button[aria-pressed="true"]{border-color:var(--red)}
.product-record .product-thumbnails .source-photo{height:47px;padding:4px}
.product-detail-tabs{margin-top:30px}
.product-detail-tabs .tabs button[aria-selected="true"]{color:var(--red-dark);border-bottom-color:var(--red)}
.product-detail-tabs [hidden]{display:none}
.specification-image{display:block;margin:0 0 12px}
.specification-image .source-photo{width:auto;max-width:100%;height:auto;margin:auto}
.specification-table{overflow-x:auto;margin-bottom:14px}
.specification-table table{width:100%;border-collapse:collapse}
.specification-table th,.specification-table td{min-width:64px;padding:8px;border:1px solid var(--rule);text-align:left}
.specification-table th{background:var(--grey)}
.file-search{display:grid;gap:5px;width:min(100%,420px);margin-bottom:12px}
.file-search input{padding:8px;border:1px solid var(--rule)}
.product-files ul{list-style:none;padding:0}
.product-files li{padding:8px 0;border-bottom:1px solid var(--rule)}
.related-products{margin-top:25px}
.related-products h2{font-size:22px;margin-bottom:9px}
.related-products ul{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:8px;list-style:none;padding:0}
.related-products a{display:block;padding:8px 10px;border:1px solid var(--rule)}
.related-products a:hover{border-color:var(--red);color:var(--red-dark)}
.record-fields{margin:12px 0 17px}
.record-fields>div{display:grid;grid-template-columns:90px 1fr;gap:8px;padding:7px 0;border-bottom:1px solid var(--rule)}
.record-fields dd{margin:0}
.product-source-status{margin:0 0 12px;color:var(--muted)}
.article-record .source-photo{width:min(620px,100%);max-height:430px;object-fit:contain;margin-bottom:18px}
.empty{padding:15px 16px;background:var(--grey);color:var(--muted);grid-column:1/-1}
.split{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:35px;margin-bottom:27px}
.split img{aspect-ratio:1.65;object-fit:cover;width:100%}
.split h2{font-size:clamp(23px,3vw,36px);margin-bottom:9px}
.split p{color:var(--muted);margin-bottom:15px}
.info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin-top:24px}
.info-grid article{padding:18px;background:var(--grey);border-top:2px solid var(--red)}
.info-grid h3{font-size:17px;margin-bottom:4px}
.info-grid p{font-size:14px;color:var(--muted)}
.data-table{width:100%;border-collapse:collapse;margin:15px 0;color:var(--text)}
.data-table th,.data-table td{text-align:left;padding:9px 13px;border:1px solid var(--rule)}
.data-table th{width:25%;background:var(--grey)}
.product-detail{max-width:930px}
.product-detail h2{font-size:29px}
.product-detail .button{margin:7px 7px 0 0}
.download-list{border-top:1px solid var(--rule)}
.download-categories{margin-bottom:14px}
.download-categories summary{font-weight:700;cursor:pointer;margin-bottom:9px}
.download-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:13px 4px;border-bottom:1px solid var(--rule)}
.download-item small{color:var(--muted)}
.download-item .text-link{white-space:nowrap}
.bullet-columns{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.bullet-columns article{background:var(--grey);padding:18px}
.bullet-columns ul{columns:2;padding-left:23px}
dialog{width:min(94%,620px);max-height:88dvh;padding:0;border:0;border-radius:5px;color:var(--text);box-shadow:0 12px 70px #0005}
dialog::backdrop{background:#16171bb8}
.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:15px 20px;border-bottom:1px solid var(--rule)}
.dialog-head h2{font-size:21px}
.dialog-content{padding:18px 20px 22px}
.dialog-content .search-field{width:100%}
.search-results{margin-top:13px}
.search-results a{display:block;padding:8px 4px;border-bottom:1px solid var(--rule)}
.search-results a:hover{color:var(--red)}
.search-results small{margin-left:6px;color:var(--muted)}
@media(max-width:1100px){
  .header-inner{width:92%;gap:18px}
  .primary-nav{gap:13px}
  .header-actions{gap:9px}
  .language summary{min-width:95px;padding-inline:9px}
}
@media(max-width:900px){
  .wrap{width:calc(100% - 52px)}
  .header-inner{min-height:73px}
  .primary-nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;color:var(--text);box-shadow:0 8px 14px #0003}
  .menu-open .primary-nav{display:flex}
  .primary-nav>a{font-size:15px;padding:10px 5%;border-top:1px solid var(--rule)}
  .nav-group>summary{display:flex;justify-content:space-between;font-size:15px;padding:10px 5%;border-top:1px solid var(--rule)}
  .nav-dropdown{position:static;border-top:0;box-shadow:none;background:var(--grey);padding-inline:5%}
  .primary-nav{max-height:calc(100dvh - 75px);overflow:auto}
  .site-header.menu-open:not(.inside){position:absolute}
  .menu-button{display:inline-grid}
  .download-nav{font-size:13px}
  .hero-inner{width:88%}
  .news-grid,.catalog-grid{gap:12px}
  .news-copy,.catalog-card{padding:12px}
}
@media(max-width:620px){
  .wrap{width:calc(100% - 32px)}
  .header-inner{min-height:65px}
  .round{width:34px;height:34px}
  .header-actions .download-nav{gap:3px}
  .download-nav [data-icon],.header-actions .language{display:none}
  .hero{height:min(730px,88svh);min-height:460px}
  .hero-photo{object-position:58% center}
  .hero h1{font-size:clamp(30px,8.4vw,47px);letter-spacing:.02em}
  .carousel-controls{gap:9px;bottom:15px}
  .slide-dots{gap:12px}
  .section,.body-section{padding-block:36px 42px}
  .section-heading{align-items:start;margin-bottom:17px}
  .section-heading h2::after{margin-top:8px}
  .section-heading .text-link{font-size:13px}
  .news-grid,.catalog-grid,.split,.info-grid,.bullet-columns,.sitemap-grid{grid-template-columns:1fr}
  .news-copy,.catalog-card{padding:14px}
  .split{gap:13px}
  .home-green{min-height:310px}
  .home-green p{font-size:15px}
  .footer-main{grid-template-columns:1fr;gap:20px;padding-block:27px}
  .footer-main p{display:none}
  .footer-bottom .wrap{padding-block:8px}
  .subhero{min-height:200px}
  .subhero .wrap{padding-block:28px}
  .tabs{margin-bottom:14px}
  .tabs a,.tabs button{padding-inline:8px;font-size:13px}
  .catalog-top{gap:7px}
  .catalog-top p{font-size:12px}
  .product-record{grid-template-columns:1fr;gap:14px}
  .product-record .source-photo{height:230px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}