/* Global shell, shared content primitives and responsive rules. */
:root{color-scheme:light;--paper:#fcfaf6;--ink:#27231e;--sub:#6b6257;--line:#ded4c7;--copper:#ef3e08;--wash:#f1ebe2;--dark:#302c26;--max:1120px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:105px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 15px/1.85 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
h1{margin:0}
h2{margin:0}
h3{margin:0}
p{margin:0}
ul{margin:0}
figure{margin:0}
blockquote{margin:0}
h1{font-weight:500}
h2{font-weight:500}
h3{font-weight:500}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
img{display:block;max-width:100%}
button{-webkit-tap-highlight-color:transparent}
a{-webkit-tap-highlight-color:transparent}
a:focus-visible{outline:2px solid var(--copper);outline-offset:5px}
button:focus-visible{outline:2px solid var(--copper);outline-offset:5px}
button{cursor:pointer}
button:disabled{cursor:default}
::selection{background:#e8d6c1}
section{scroll-margin-top:100px}
[id]{scroll-margin-top:100px}
[hidden]{display:none!important}
.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:36px}
.header-inner{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:36px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(252,250,246,.97);border-bottom:1px solid var(--line)}
.header-inner{display:flex;justify-content:space-between;align-items:center;min-height:82px;gap:24px}
.brand{flex:none;display:block}
.brand img{width:59px;height:auto}
.main-nav{display:flex;gap:27px;font-size:13px;align-items:center}
.main-nav a{padding-block:9px;white-space:nowrap;position:relative; font-weight: 500;transition:all .2s }
/* .main-nav a:after{content:"";position:absolute;bottom:3px;left:0;width:0;height:1px;background:var(--copper);transition:width .2s} */
.main-nav a:after{content:"";position:absolute;bottom:-20px;left:50%;width:2px;height:0px;background:var(--copper);transition:height .3s cubic-bezier(0.2, 0.9, 0.3, 1.1)}
.main-nav a:hover{ color: var(--copper);transition: color 0.3s cubic-bezier(0.2, 0.9, 0.3, 1.1)}
.main-nav a:hover:after{height:14px}
.main-nav a[aria-current=page] { color: var(--copper);transition: color 0.3s cubic-bezier(0.2, 0.9, 0.3, 1.1)}
.main-nav a[aria-current=page]:after{height: 14px;}
.menu-button{display:none;border:0;background:none;padding:10px 0;gap:15px;font-size:13px}
.skip-link{position:fixed;left:20px;top:-80px;z-index:99;background:var(--ink);color:white;padding:10px 20px}
.skip-link:focus{top:12px}
.eyebrow{font-size:12px;letter-spacing:.08em;line-height:1.7;color:var(--copper);margin-bottom:14px}
.text-link{display:inline-flex;align-items:center;gap:28px;font-size:13px;line-height:1.8;padding:7px 0;border-bottom:1px solid var(--line);width:fit-content;transition:color .2s,border-color .2s}
.text-link:hover{color:var(--copper);border-color:var(--copper)}
.button{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;min-height:49px;padding:10px 21px;background:var(--ink);color:var(--paper);font-size:13px;border:1px solid var(--ink);transition:background .2s}
.button:hover{background:var(--copper);border-color:var(--copper)}
.hero{position:relative;min-height:530px;isolation:isolate;margin-top:28px;background:#eee5d9;overflow:hidden}
.hero h1{font-size:57px;line-height:1.24;letter-spacing:.02em;margin-bottom:24px}
.section{padding:76px 0}
.section-heading{display:flex;justify-content:space-between;gap:24px;align-items:flex-end;margin-bottom:30px}
.section-heading h2{font-size:29px;line-height:1.45;letter-spacing:.01em}
.section-heading .eyebrow{margin-bottom:10px}
.compact h2{font-size:23px}
.research-section{display:grid;grid-template-columns:1fr 1fr;background:var(--wash);min-height:470px}
.research-photo{position:relative;min-width:0;overflow:hidden}
.research-photo img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;object-position:center 48%}
.research-photo>span{position:absolute;bottom:22px;left:24px;color:#fff;font-size:12px;letter-spacing:.06em;background:rgba(39,35,30,.7);padding:5px 11px}
.research-copy{padding:46px 39px}
.research-copy h2{font-size:29px;line-height:1.55;margin-bottom:20px}
.research-copy>p:not(.eyebrow){font-size:13px;line-height:2;color:var(--sub)}
.research-facts{display:flex;gap:38px;margin:28px 0}
.research-facts>div{display:flex;flex-direction:column}
.research-facts strong{font-size:34px;line-height:1.3;font-weight:400;letter-spacing:-.02em}
.research-facts strong span{font-size:13px;margin-left:7px;letter-spacing:0}
.research-facts>div>span{font-size:11px;color:var(--sub);margin-top:6px}
.story-image{display:block;aspect-ratio:1.78;overflow:hidden}
.news-art{aspect-ratio:1.78;overflow:hidden}
.story-image img{width:100%;height:100%;object-fit:cover;object-position:center 58%;transition:transform .65s}
.story-image:hover img{transform:scale(1.035)}
.story-copy{padding-top:22px}
.story-copy .eyebrow{font-size:11px;margin-bottom:10px}
.story-copy h3{font-size:23px;line-height:1.65;margin-bottom:12px}
.story-copy>p:not(.eyebrow){color:var(--sub);font-size:13px;line-height:1.9;max-width:420px}
.story-copy .text-link{margin-top:16px;font-size:12px}
.news-art{background:#e7ded0;position:relative;padding:25px 31px;display:flex;flex-direction:column;justify-content:space-between}
.news-art>span:first-child{font-size:38px;line-height:1;font-weight:500;letter-spacing:-.08em}
.news-art>div{font-size:27px;line-height:1.45;color:#5e4d39;margin-left:27%;letter-spacing:.03em}
.news-art-bottom{font-size:9px;letter-spacing:.13em;display:flex;justify-content:space-between;border-top:1px solid #bdae99;padding-top:13px}
.news-art-bottom>span{font-size:17px;line-height:1}
.site-footer{margin-top:20px;padding:49px 0 22px;background:var(--dark);color:#e8e0d5}
.footer-nav{display:flex;flex-wrap:wrap;gap:11px 28px;border-top:1px solid #5b5348;padding-top:21px;font-size:11px}
.legal{display:flex;justify-content:space-between;gap:14px;color:#bdb3a5;font-size:9px;margin-top:26px}
.legal>div{display:flex;flex-wrap:wrap;gap:10px 21px}
.breadcrumb{display:flex;gap:9px;font-size:11px;color:var(--sub);padding-top:25px}
.page-intro{padding-top:45px;padding-bottom:47px}
.page-intro h1{font-size:37px;line-height:1.5;max-width:800px}
.category-nav{display:flex;gap:10px 35px;overflow:auto;border-block:1px solid var(--line);padding:16px 0;position:sticky;top:82px;background:var(--paper);z-index:10;font-size:13px}
.category-nav a{white-space:nowrap}
.category-nav a:hover{color:var(--copper)}
.series-detail{display:grid;grid-template-columns:1fr 1.3fr;gap:70px;padding:52px 0;border-bottom:1px solid var(--line)}
.series-detail:last-child{border-bottom:0;margin-bottom:44px}
.series-detail h2{font-size:27px;margin-bottom:15px}
.series-detail p:not(.eyebrow){color:var(--sub);font-size:13px;line-height:1.9;margin-bottom:15px;max-width:300px}
.product-name-list{list-style:none;padding:0;margin-bottom:22px}
.product-name-list li{padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
.series-detail-content>.text-link{font-size:12px}
.filter-row{display:flex;gap:0;border-bottom:1px solid var(--line);margin-bottom:35px;overflow:auto}
.filter-row button{background:none;border:0;border-bottom:2px solid transparent;padding:12px 23px 15px;font-size:13px;white-space:nowrap;color:var(--sub)}
.filter-row button:first-child{padding-left:0;padding-right:23px}
.filter-row button.active{color:var(--ink);border-bottom-color:var(--ink)}
.empty-state{padding:65px 0 100px;text-align:center}
.empty-state h2{font-size:24px}
.empty-state p{color:var(--sub);margin:15px 0;font-size:14px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.research-full{min-height:530px}
.classroom-header{padding:46px 0 34px}
.classroom-header h1{font-size:37px;line-height:1.5}
.classroom-header>p:last-child{margin-top:24px;color:var(--sub);font-size:14px}
.article-cover{width:100%;height:370px;object-fit:cover;object-position:center 59%;margin-bottom:42px}
.article-content{font-size:16px;line-height:2.05;padding-bottom:25px}
.article-content>p{margin-bottom:23px}
.article-content h2{font-size:25px;line-height:1.6;margin:42px 0 22px}
.article-content strong{font-weight:600}
.article-content table{border-collapse:collapse;width:100%;font-size:14px;min-width:560px}
.article-content th{text-align:left;padding:14px 17px;border:1px solid var(--line)}
.article-content td{text-align:left;padding:14px 17px;border:1px solid var(--line)}
.article-content th{background:var(--wash);font-weight:500}
.article-bottom{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;padding:24px 0 45px}
.classroom-article+.site-footer{margin-top:30px}
@media(min-width:1400px){
  .hero{min-height:550px}
}
@media(max-width:900px){
  .main-nav{gap:18px;font-size:12px}
  .header-inner{gap:20px}
  .hero h1{font-size:48px}
  .research-copy{padding:31px}
  .research-copy h2{font-size:25px}
  .research-facts{gap:28px}
  .section-heading h2{font-size:26px}
}
@media(max-width:760px){
  .wrap{padding-inline:20px}
  .header-inner{padding-inline:20px}
  .header-inner{min-height:71px;flex-wrap:wrap;gap:0}
  .brand img{width:50px}
  .has-js .menu-button{display:flex}
  .main-nav{flex-basis:100%;display:grid;grid-template-columns:repeat(2,1fr);gap:0 25px;font-size:14px;padding:10px 0 18px}
  .has-js .main-nav:not(.is-open){display:none}
  .main-nav a{border-bottom:1px solid var(--line);padding:11px 0}
  .main-nav a:after{display:none}
  .hero{margin-top:20px}
  .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(247,239,228,.96) 0%,rgba(247,239,228,.87) 26%,rgba(247,239,228,0) 61%);z-index:-1}
  .hero h1{font-size:41px;line-height:1.23;margin-bottom:17px}
  .hero .button{min-height:43px;padding:8px 15px;font-size:12px;gap:20px}
  .section{padding:49px 0}
  .section-heading{align-items:flex-start;gap:18px;margin-bottom:23px}
  .section-heading h2{font-size:24px}
  .section-heading>.text-link{font-size:11px;gap:13px;flex-shrink:0;margin-top:29px}
  .compact h2{font-size:20px}
  .product-card{display:grid;grid-template-columns:43% minmax(0,1fr);gap:19px;align-items:center}
  .research-section{grid-template-columns:1fr;min-height:0}
  .research-photo{min-height:300px}
  .research-photo img{object-position:center 41%}
  .research-copy{padding:30px 27px}
  .research-copy h2{font-size:26px}
  .research-copy>p:not(.eyebrow){font-size:13px}
  .research-facts{gap:50px;margin:23px 0}
  .story-copy{padding-top:19px}
  .story-copy h3{font-size:21px}
  .story-copy>p:not(.eyebrow){font-size:12px}
  .story-copy .text-link{margin-top:11px}
  .site-footer{padding-top:35px}
  .footer-nav{font-size:10px;gap:10px 20px}
  .legal{font-size:8px;flex-direction:column;gap:13px}
  .legal>div{gap:8px 13px}
  .page-intro{padding-top:32px;padding-bottom:30px}
  .page-intro h1{font-size:28px}
  .breadcrumb{font-size:10px;padding-top:20px}
  .category-nav{top:71px;font-size:12px;gap:24px;padding-block:13px}
  .series-detail{grid-template-columns:1fr;gap:20px;padding-block:35px}
  .series-detail h2{font-size:25px}
  .series-detail p:not(.eyebrow){max-width:none}
  .product-name-list li{font-size:13px}
  .filter-row{margin-bottom:25px}
  .filter-row button{padding:11px 18px 13px;font-size:12px}
  .research-full .research-photo{min-height:320px}
  .classroom-header{padding:31px 0 27px}
  .classroom-header h1{font-size:29px}
  .classroom-header>p:last-child{font-size:13px;margin-top:18px}
  .article-cover{margin-bottom:28px}
  .article-content{font-size:15px;line-height:2}
  .article-content h2{font-size:22px;margin-top:33px}
  .article-content table{font-size:12px}
  .article-content th{padding:12px}
  .article-content td{padding:12px}
  .article-bottom{font-size:12px}
  .article-bottom .text-link{font-size:11px;gap:10px}
}
@media(max-width:360px){
  .wrap{padding-inline:16px}
  .header-inner{padding-inline:16px}
  .hero h1{font-size:36px}
  .hero{min-height:560px}
  .section-heading h2{font-size:21px}
  .product-card{gap:14px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
  *:before{transition:none!important;animation:none!important}
  *:after{transition:none!important;animation:none!important}
}
@media print{
  .site-header{display:none}
  .site-footer{display:none}
  .filter-row{display:none}
  .wrap{max-width:none;padding:0}
  .hero{min-height:440px}
  .product-card{break-inside:avoid}
}
@media(max-width:760px){
  .hero{display:flex;flex-direction:column;min-height:0}
  .hero:before{display:none}
}
body .site-footer.site-footer-compact{padding:0;margin-top:0}
.site-footer.site-footer-compact>.wrap.footer-compact-inner{padding:0 36px 19px}
.site-footer-compact .footer-nav{display:flex;flex-wrap:wrap;gap:12px 30px;padding:20px 0;margin:0;border-top:0;border-bottom:1px solid #726d61;font-size:12px;line-height:1.8}
.site-footer-compact .legal{padding-top:17px;margin:0}
@media(max-width:760px){
  .site-footer.site-footer-compact>.wrap.footer-compact-inner{padding:0 24px 20px}
  .site-footer-compact .footer-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px 16px;padding:19px 0;font-size:11px}
  .site-footer-compact .legal{font-size:9px;gap:12px;line-height:1.9}
  .site-footer-compact .legal>div{display:flex;flex-wrap:wrap;gap:9px 14px}
}
.slide-image-frame{position:absolute;inset:0}
@media(min-width:761px) and (max-width:1000px){
  .home-page .carousel-stage{height:auto;aspect-ratio:2880/1585;min-height:430px}
  .home-page .slide-copy{padding-top:45px}
  .home-page .slide-copy h1{font-size:42px}
  .home-page .slide-copy h2{font-size:42px}
  .home-page .slide-product .slide-copy{padding-top:65px}
  .home-page .slide-ambassador .slide-copy{padding-top:165px}
}
@media(max-width:760px){
  .home-page .carousel-stage{height:auto;min-height:0;aspect-ratio:auto}
  .home-page .carousel-slide{position:relative;inset:auto;display:flex;flex-direction:column;min-height:0}
  .home-page .slide-copy{order:1;width:100%;height:184px;min-height:0;max-height:none;padding:17px 24px;display:flex;flex-direction:column;justify-content:center}
  .home-page .slide-product .slide-copy{order:1;width:100%;height:184px;min-height:0;max-height:none;padding:17px 24px;display:flex;flex-direction:column;justify-content:center}
  .home-page .slide-ambassador .slide-copy{order:1;width:100%;height:184px;min-height:0;max-height:none;padding:17px 24px;display:flex;flex-direction:column;justify-content:center}
  .home-page .slide-kicker{font-size:9px;line-height:1.6;letter-spacing:.05em;margin:0 0 8px}
  .home-page .slide-ambassador .slide-kicker{font-size:9px;line-height:1.6;letter-spacing:.05em;margin:0 0 8px}
  .home-page .slide-copy h1{font-size:31px;line-height:1.2;letter-spacing:0;margin:0 0 8px}
  .home-page .slide-copy h2{font-size:31px;line-height:1.2;letter-spacing:0;margin:0 0 8px}
  .home-page .slide-product .slide-copy h2{font-size:31px;line-height:1.2;letter-spacing:0;margin:0 0 8px}
  .home-page .slide-ambassador .slide-copy h2{font-size:31px;line-height:1.2;letter-spacing:0;margin:0 0 8px}
  .home-page .slide-copy>p:not(.slide-kicker){font-size:11px;line-height:1.7;margin:0}
  .home-page .slide-ambassador .slide-copy h2{margin-bottom:0}
  .home-page .slide-image-frame{order:2;position:relative;inset:auto;width:100%;height:auto;aspect-ratio:2880/1585;flex:none;overflow:hidden}
  .home-page .slide-media{position:absolute;inset:0;display:block;width:100%;height:100%;min-height:0;max-height:none;object-fit:contain;object-position:center;flex:none}
  .home-page .slide-product .slide-media{position:absolute;inset:0;display:block;width:100%;height:100%;min-height:0;max-height:none;object-fit:contain;object-position:center;flex:none}
  .home-page .slide-ambassador .slide-media{position:absolute;inset:0;display:block;width:100%;height:100%;min-height:0;max-height:none;object-fit:contain;object-position:center;flex:none}
  .home-page .slide-product .slide-image-frame{background:#e7dec7}
  .home-page .dispatch-photo{height:auto;min-height:0;aspect-ratio:4/3}
  .home-page .dispatch-photo>img{object-fit:contain;object-position:center}
  .home-page .dispatch-copy{padding-top:0}
  .home-page .dispatch-copy h3{font-size:17px;line-height:1.8}
  .home-page .dispatch-copy>.quiet-link{margin-top:10px}
  .story-image{height:auto;aspect-ratio:4/3}
  .story-image>img{object-fit:contain;object-position:center}
  .article-cover{height:auto;min-height:0;aspect-ratio:4/3;object-fit:contain;object-position:center}
}
@media(max-width:360px){
  .home-page .slide-copy{height:174px;padding:15px 20px}
  .home-page .slide-product .slide-copy{height:174px;padding:15px 20px}
  .home-page .slide-ambassador .slide-copy{height:174px;padding:15px 20px}
  .home-page .slide-copy h1{font-size:29px}
  .home-page .slide-copy h2{font-size:29px}
  .home-page .slide-product .slide-copy h2{font-size:29px}
  .home-page .slide-ambassador .slide-copy h2{font-size:29px}
  .home-page .dispatch-copy h3{font-size:15px}
}
.brand-trademark{display:inline;font-size:.6em;line-height:0;vertical-align:super;letter-spacing:0;font-weight:400}