:root{--ch-ink:#172c3c;--ch-blue:#17384c;--ch-paper:#fff;--ch-wash:#f3f4f2;--ch-rule:#d8dddf;--ch-muted:#59656d;--ch-copper:#91633c;--ch-unit:24px}*{box-sizing:border-box}body{margin:0;background:var(--ch-paper);color:var(--ch-ink);font:16px/1.8 "Microsoft YaHei","PingFang SC",sans-serif}a{color:inherit;text-decoration:none}a:hover{color:var(--ch-copper)}button,input,textarea,select{font:inherit}button{cursor:pointer}a,button,input,textarea{touch-action:manipulation}img{display:block;max-width:100%;height:auto}figure,p,ul,ol,dl{margin:0}h1,h2,h3{line-height:1.45;margin:0 0 18px;font-weight:600}h1{font-size:clamp(30px,3.4vw,46px)}h2{font-size:clamp(25px,2.6vw,34px)}h3{font-size:20px}p{margin-bottom:18px}address{font-style:normal}button{border:0}ul,ol{padding-left:24px}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #ad7b3f;outline-offset:4px}[hidden]{display:none!important}.ch-bound{width:min(1200px,calc(100% - 64px));margin-inline:auto}.ch-eyebrow{font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--ch-copper);margin-bottom:12px}.ch-masthead{background:#fff}.ch-brandline{display:grid;grid-template-columns:1fr 2fr 1fr;align-items:center;min-height:112px;gap:24px}.ch-brandline>p{font-size:13px;margin:0}.ch-brandline small{color:var(--ch-muted);font-size:11px}.ch-brand{text-align:center;justify-self:center;max-width:100%;overflow-wrap:anywhere}.ch-brand img{width:240px;height:64px;object-fit:contain}.ch-brand strong{font-size:27px;display:block;letter-spacing:.08em;line-height:1.4}.ch-brand span{display:block;font-size:10px;letter-spacing:.23em;color:var(--ch-muted)}.ch-contact-link{justify-self:end;font-size:13px;border-bottom:1px solid var(--ch-rule);padding:8px 0}.ch-fullnav{border-top:1px solid var(--ch-rule);border-bottom:1px solid var(--ch-rule)}.ch-fullnav>ul{list-style:none;padding:0;display:flex;justify-content:center;min-height:58px;align-items:stretch;gap:48px}.ch-fullnav>ul>li{position:relative;display:flex;align-items:center}.ch-fullnav a{font-size:14px;display:block;padding:14px 8px}.ch-fullnav .site-nav-toggle{background:transparent}.ch-fullnav .site-nav-submenu{background:#fff;border:1px solid var(--ch-rule);min-width:160px;z-index:30;list-style:none;padding:8px}.ch-nav-switch{display:none}.ch-banner{position:relative;background:var(--ch-blue);min-height:510px;color:#fff;isolation:isolate}.ch-banner>img{width:100%;height:510px;object-fit:cover;opacity:.25;position:absolute;inset:0;z-index:-1}.ch-banner-inner{padding:84px 0 72px;text-align:center}.ch-banner .ch-eyebrow{color:#ddd2c5}.ch-banner h1 span{display:block;margin-top:8px;font-size:clamp(36px,4.2vw,60px);font-weight:500;letter-spacing:.08em}.ch-banner p:not(.ch-eyebrow){max-width:720px;margin:24px auto 32px;color:#e4e9ed}.ch-button,.ch-outline{display:inline-flex;align-items:center;justify-content:center;gap:20px;padding:11px 23px;font-size:14px;line-height:1.7;text-align:center}.ch-button{background:var(--ch-blue);color:#fff;border:1px solid var(--ch-blue)}.ch-button:hover{background:#254b62;color:#fff}.ch-banner .ch-button,.ch-cooperation .ch-button{background:#fff;color:var(--ch-blue);border-color:#fff}.ch-outline{background:transparent;color:var(--ch-ink);border:1px solid #a7b2b9}.ch-outline:hover{border-color:var(--ch-copper)}.ch-link{background:none;color:var(--ch-copper);padding:0;border:0;font-size:14px}.ch-heading{text-align:center;max-width:820px;margin:0 auto 42px}.ch-heading>p:last-child{color:var(--ch-muted);margin-bottom:0}.ch-principles{padding-top:80px;padding-bottom:80px}.ch-service-quartet{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--ch-rule)}.ch-service-quartet article{padding:28px 24px 0;border-right:1px solid var(--ch-rule)}.ch-service-quartet article:first-child{padding-left:0}.ch-service-quartet article:last-child{border:0;padding-right:0}.ch-service-quartet article>span{font-size:12px;letter-spacing:.12em;color:var(--ch-copper);display:block;margin-bottom:20px}.ch-service-quartet p{font-size:14px;color:var(--ch-muted);margin-bottom:0}.ch-home-cabinet{padding:72px 0;background:var(--ch-wash)}.ch-cabinet{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.ch-specimen{border:1px solid var(--ch-rule);background:#fff;min-width:0}.ch-specimen-image{display:block;background:#e7ebeb;aspect-ratio:4/3}.ch-specimen-image img{height:100%;width:100%;object-fit:cover}.ch-specimen-label{padding:24px}.ch-specimen-label>span{font-size:11px;color:var(--ch-muted)}.ch-specimen-label h3{margin-top:9px;margin-bottom:12px;font-size:19px}.ch-specimen-label p{font-size:14px;color:var(--ch-muted)}.ch-image-missing{display:flex;min-height:160px;align-items:center;justify-content:center;height:100%;background:#e8ecec;color:#5d6c74;font-size:14px;letter-spacing:.06em;padding:24px;text-align:center}.ch-empty{padding:40px;background:var(--ch-wash);border:1px solid var(--ch-rule);grid-column:1/-1;color:var(--ch-muted)}.ch-center{text-align:center;margin:36px 0 0}.ch-home-history{padding-top:80px;padding-bottom:80px}.ch-example{font-size:12px!important;color:#6f685d!important}.ch-timebeam{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;list-style:none;padding:0;border-top:2px solid var(--ch-rule)}.ch-timebeam li{padding-top:22px;position:relative}.ch-timebeam li:before{content:"";width:10px;height:10px;background:var(--ch-copper);border:2px solid #fff;position:absolute;top:-6px;left:0}.ch-timebeam time{font-family:Georgia,serif;font-size:35px;color:var(--ch-blue)}.ch-timebeam h3{font-size:17px;margin:12px 0}.ch-timebeam p{font-size:14px;color:var(--ch-muted)}.ch-company-section{background:var(--ch-wash);padding:72px 0}.ch-company-spread{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}.ch-company-spread figure img{width:100%;aspect-ratio:4/3;object-fit:cover}.ch-company-spread figcaption{padding-top:12px;font-size:12px;color:var(--ch-muted)}.ch-prose{overflow-wrap:anywhere}.ch-prose p{margin:0 0 20px}.ch-prose h2{font-size:26px;margin-top:32px}.ch-prose h3{font-size:20px;margin-top:24px}.ch-prose img{height:auto!important;max-width:100%!important;margin:24px auto}.ch-prose table{display:block;max-width:100%;overflow:auto;border-collapse:collapse}.ch-prose td,.ch-prose th{border:1px solid var(--ch-rule);padding:10px}.ch-company-spread .ch-prose{font-size:14px;color:var(--ch-muted)}.ch-home-journal{padding-top:80px;padding-bottom:80px}.ch-journal-pair{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--ch-rule)}.ch-journal-pair article{padding:32px 40px 12px 0}.ch-journal-pair article+article{padding-left:40px;padding-right:0;border-left:1px solid var(--ch-rule)}.ch-journal-pair time{font-size:12px;color:var(--ch-copper)}.ch-journal-pair h3{font-size:23px;margin:14px 0}.ch-journal-pair p{color:var(--ch-muted);font-size:14px}.ch-cooperation{background:var(--ch-blue);color:#fff;padding:36px 0}.ch-cooperation>.ch-bound{display:flex;align-items:center;justify-content:space-between;gap:32px}.ch-cooperation h2{font-size:27px;margin:0}.ch-cooperation .ch-eyebrow{color:#d2c2ad;font-size:10px}.ch-end-columns{display:grid;grid-template-columns:1fr 1fr;gap:100px;padding-top:56px;padding-bottom:48px}.ch-end-columns h2{font-size:21px}.ch-end-columns p{font-size:13px;color:var(--ch-muted);margin-bottom:12px}.ch-ending{background:var(--ch-wash)}.ch-end-index nav>ul{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}.ch-end-index .site-nav-toggle{display:none}.ch-end-index .site-nav-submenu{display:block!important;position:static!important;padding:0 0 0 12px;list-style:none;font-size:12px}.ch-partners{margin-top:24px;display:flex;flex-wrap:wrap;gap:8px 16px;font-size:12px}.ch-partners>span{color:var(--ch-muted)}.ch-legal{border-top:1px solid var(--ch-rule);padding:20px 0;display:flex;gap:24px;flex-wrap:wrap;font-size:11px;color:var(--ch-muted)}.ch-legal p{margin:0}.ch-crumbs{padding-top:24px;padding-bottom:24px;font-size:12px;color:var(--ch-muted);overflow-wrap:anywhere}.ch-crumbs ol{display:flex;flex-wrap:wrap;list-style:none;padding:0;gap:8px}.ch-crumbs li+li:before{content:"/";margin-right:8px;color:#8a969e}.ch-company-opening{padding:32px 0 56px;text-align:center}.ch-intro{font-size:19px;color:var(--ch-muted)}.ch-company-body{max-width:900px;text-align:left;margin:32px auto 0;columns:2;column-gap:40px}.ch-team-duo{padding:48px 0;border-top:1px solid var(--ch-rule)}.ch-team-pair{display:grid;grid-template-columns:1fr 1fr;gap:24px}.ch-team-pair article{background:var(--ch-wash);padding:36px}.ch-team-pair article>span{font-size:12px;color:var(--ch-copper)}.ch-team-pair h3{margin-top:14px}.ch-team-pair p{font-size:14px;color:var(--ch-muted)}.ch-about-road{padding:48px 0}.ch-about-road>h2,.ch-about-road>.ch-example{text-align:center}.ch-history-long{display:flex;padding:0;list-style:none;border-top:1px solid var(--ch-rule);margin-top:32px}.ch-history-long li{flex:1;padding:24px;border-left:1px solid var(--ch-rule)}.ch-history-long time{font-size:30px;font-family:Georgia,serif;color:var(--ch-copper)}.ch-history-long h3{font-size:18px;margin-top:12px}.ch-history-long p{font-size:13px;color:var(--ch-muted)}.ch-evidence{padding:48px 0 80px;display:grid;grid-template-columns:4fr 8fr;gap:48px;border-top:1px solid var(--ch-rule)}.ch-evidence p{font-size:14px;color:var(--ch-muted)}.ch-evidence ul{list-style:none;padding:0}.ch-evidence li{display:flex;justify-content:space-between;gap:24px;padding:18px 0;border-bottom:1px solid var(--ch-rule);font-size:14px}.ch-evidence li span{color:var(--ch-muted)}.ch-news-title,.ch-product-heading,.ch-contact-title{text-align:center;padding:30px 0 44px}.ch-news-title p:last-child,.ch-product-heading p:last-child,.ch-contact-title p:last-child{color:var(--ch-muted)}.ch-feature-story>article{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;background:var(--ch-wash)}.ch-feature-story>article>div{padding:32px 32px 32px 0}.ch-feature-story h2{font-size:28px;margin-top:16px}.ch-feature-story time{font-size:12px;color:var(--ch-muted)}.ch-feature-story p:not(.ch-eyebrow){font-size:14px;color:var(--ch-muted)}.ch-feature-visual{height:100%;display:block;min-height:360px}.ch-feature-visual img{width:100%;height:100%;object-fit:cover}.ch-news-rows{margin-top:32px}.ch-news-rows>article{display:grid;grid-template-columns:180px 1fr 112px;gap:32px;padding:28px 0;border-bottom:1px solid var(--ch-rule);align-items:center}.ch-news-thumb{height:120px}.ch-news-thumb img{height:100%;width:100%;object-fit:cover}.ch-news-thumb .ch-image-missing{min-height:100%}.ch-news-rows h2{font-size:22px;margin-bottom:12px}.ch-news-rows p{font-size:13px;color:var(--ch-muted);margin-bottom:0}.ch-news-rows>article>p{display:grid;gap:24px}.ch-journal-context{display:grid;grid-template-columns:4fr 8fr;gap:48px;border-top:1px solid var(--ch-rule);margin-top:48px;padding:40px 0 72px}.ch-journal-context .ch-prose{font-size:14px;color:var(--ch-muted)}.pagination{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:36px 0}.pagination a,.pagination span{display:inline-block;padding:6px 13px;border:1px solid var(--ch-rule)}.pagination .active{background:var(--ch-blue);color:#fff}.ch-reading-paper{max-width:840px;width:calc(100% - 64px);margin:24px auto 64px}.ch-reading-heading{text-align:center;border-bottom:1px solid var(--ch-rule);padding-bottom:24px}.ch-reading-heading h1{font-size:clamp(28px,3.2vw,40px)}.ch-reading-heading p:last-child{font-size:12px;color:var(--ch-muted);display:flex;flex-wrap:wrap;gap:24px;justify-content:center}.ch-abstract{font-size:17px;border-left:3px solid var(--ch-copper);padding:16px 24px;background:var(--ch-wash);margin:32px 0}.ch-reading-cover{margin:32px 0}.ch-reading-cover img{width:100%}.ch-reading-cover figcaption{font-size:12px;color:var(--ch-muted)}.ch-reading-content{line-height:2}.ch-keywords{font-size:12px;color:var(--ch-muted);margin:24px 0}.ch-reading-neighbors{border-block:1px solid var(--ch-rule);margin:36px 0 24px;display:grid;grid-template-columns:1fr 1fr;gap:24px}.ch-reading-neighbors a{padding:20px 0;font-size:14px}.ch-reading-neighbors span{font-size:11px;color:var(--ch-muted);display:block}.ch-reading-related{padding:40px 0 72px;border-top:1px solid var(--ch-rule)}.ch-reading-related ul{padding:0;list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px}.ch-reading-related a{display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid var(--ch-rule);font-size:14px}.ch-catalog-shell{display:grid;grid-template-columns:216px minmax(0,1fr);gap:36px;padding-bottom:64px}.ch-catalog-sidebar{border-top:3px solid var(--ch-blue);padding-top:24px}.ch-catalog-sidebar h2{font-size:21px}.ch-catalog-sidebar nav ul{list-style:none;padding:0}.ch-catalog-sidebar nav a{display:block;padding:12px 0;border-bottom:1px solid var(--ch-rule);font-size:14px}.ch-catalog-sidebar .site-nav-toggle{display:none}.ch-catalog-sidebar .site-nav-submenu{display:block!important;position:static!important;padding-left:14px}.ch-catalog-sidebar>p{font-size:12px;color:var(--ch-muted);margin:24px 0}.ch-catalog-shelf>h2{font-size:20px;margin-bottom:24px}.ch-catalog-shelf .ch-specimen-label{padding:18px}.ch-catalog-shelf .ch-specimen-label h3{font-size:17px}.ch-catalog-shelf .ch-cabinet{gap:16px}.ch-selection-guide{background:var(--ch-wash);padding:48px 0 64px}.ch-selection-guide>.ch-bound{display:grid;grid-template-columns:4fr 8fr;gap:48px}.ch-selection-guide .ch-prose{font-size:14px;color:var(--ch-muted)}.ch-product-panorama img{width:100%;max-height:480px;object-fit:contain;background:var(--ch-wash)}.ch-product-panorama>.ch-image-missing{height:320px}.ch-product-panorama figcaption{font-size:11px;color:var(--ch-muted);padding:12px 0}.ch-product-record{display:grid;grid-template-columns:8fr 4fr;gap:56px;padding-top:40px;padding-bottom:48px}.ch-record-aside{background:var(--ch-wash);padding:30px;align-self:start}.ch-record-aside h2{font-size:23px}.ch-record-aside dl>div{padding:12px 0;border-bottom:1px solid var(--ch-rule)}.ch-record-aside dt{font-size:11px;color:var(--ch-muted)}.ch-record-aside dd{margin:3px 0 0;font-size:14px;overflow-wrap:anywhere}.ch-record-aside h3{font-size:16px;margin:24px 0 12px}.ch-record-aside p{font-size:13px;color:var(--ch-muted)}.ch-product-neighbors{border-top:1px solid var(--ch-rule);display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;padding:24px 0;font-size:13px}.ch-product-related{padding:32px 0 64px}.ch-product-related h2{font-size:24px}.ch-product-related ol{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.ch-product-related li{border-top:2px solid var(--ch-rule);padding-top:16px}.ch-product-related span{display:block;font-size:11px;color:var(--ch-muted);margin-bottom:8px}.ch-product-related a{font-size:14px}.ch-map-wide{background:var(--ch-wash);padding:32px 0}.ch-map-wide h2{font-size:22px}.ch-map-wide img{width:100%;height:270px;object-fit:cover;border:1px solid var(--ch-rule)}.ch-map-wide figcaption{font-size:12px;color:var(--ch-muted);margin-top:12px}.ch-map-query{margin-top:16px}.ch-map-query button{font-size:12px}.ch-contact-pair{display:grid;grid-template-columns:7fr 5fr;gap:64px;padding-top:64px;padding-bottom:64px}.ch-form>p:not(.ch-eyebrow){font-size:13px;color:var(--ch-muted)}fieldset{padding:0;border:0;margin:24px 0}legend{font-size:15px;font-weight:600;margin-bottom:12px}.ch-form-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px}.ch-form label{display:block;font-size:13px;color:var(--ch-muted)}.ch-form input:not([type=checkbox]),.ch-form textarea{display:block;border:1px solid #bbc5ca;background:#fff;width:100%;padding:10px 12px;margin-top:6px;color:var(--ch-ink);border-radius:0}.ch-form textarea{resize:vertical}.ch-form .ch-consent{display:flex;align-items:flex-start;gap:10px;margin:18px 0;font-size:12px}.ch-consent input{margin:7px 0 0;width:16px;height:16px;flex:none}.ch-form-actions{display:flex;flex-wrap:wrap;gap:12px}.ch-form button:disabled{opacity:.5;cursor:not-allowed}.ch-form output{display:block;font-size:13px;padding-top:16px;color:var(--ch-copper)}.ch-form [data-mail-draft]{display:inline-block;margin-top:12px}.ch-contact-record{border-left:1px solid var(--ch-rule);padding-left:40px}.ch-contact-record h2{font-size:25px}.ch-contact-record>p:not(.ch-eyebrow){font-size:15px}.ch-contact-record dl>div{padding:16px 0;border-bottom:1px solid var(--ch-rule)}.ch-contact-record dt{font-size:12px;color:var(--ch-muted)}.ch-contact-record dd{margin:5px 0 0;font-size:17px;overflow-wrap:anywhere}.ch-contact-record h3{margin-top:28px;font-size:18px}.ch-contact-record p:last-of-type{font-size:13px;color:var(--ch-muted)}.ch-contact-record>a{font-size:12px}.ch-visit-note{padding-bottom:64px}.ch-visit-note .ch-prose{font-size:14px}
@media(max-width:1100px){.ch-bound{width:calc(100% - 48px)}.ch-fullnav>ul{gap:20px}.ch-catalog-shell{grid-template-columns:180px minmax(0,1fr);gap:24px}.ch-catalog-shelf .ch-cabinet{grid-template-columns:repeat(2,minmax(0,1fr))}.ch-service-quartet article{padding-inline:16px}.ch-company-spread{gap:32px}.ch-contact-pair{gap:36px}.ch-end-columns{gap:48px}.ch-product-record{gap:32px}}
@media(max-width:760px){.ch-bound{width:calc(100% - 40px)}.ch-brandline{grid-template-columns:1fr auto;min-height:90px;gap:12px}.ch-brandline>p,.ch-contact-link{display:none}.ch-brand{justify-self:start;text-align:left}.ch-brand strong{font-size:22px}.ch-brand span{font-size:8px;letter-spacing:.15em}.ch-brand img{width:190px;height:52px}.ch-nav-switch{display:block;background:transparent;border:1px solid var(--ch-rule);padding:8px 12px;font-size:12px;white-space:nowrap}.ch-enhanced .ch-fullnav:not(.ch-nav-open){display:none}.ch-fullnav>ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0}.ch-fullnav>ul>li{display:block;border-bottom:1px solid var(--ch-rule)}.ch-fullnav .site-nav-toggle{position:absolute;top:11px;right:8px}.ch-fullnav .site-nav-submenu{position:static!important;min-width:0;border:0}.ch-banner,.ch-banner>img{min-height:465px;height:100%}.ch-banner-inner{padding:64px 0 56px}.ch-banner h1{font-size:25px}.ch-banner h1 span{font-size:35px;letter-spacing:.03em}.ch-banner p:not(.ch-eyebrow){font-size:14px;margin:20px auto 28px}.ch-eyebrow{font-size:10px}.ch-principles,.ch-home-history,.ch-home-journal{padding-top:48px;padding-bottom:48px}.ch-heading{margin-bottom:28px}.ch-heading p:not(.ch-eyebrow){font-size:14px}.ch-service-quartet{grid-template-columns:1fr 1fr;row-gap:28px}.ch-service-quartet article{padding:20px 16px 0}.ch-service-quartet article:nth-child(2){border:0;padding-right:0}.ch-service-quartet article:nth-child(3){padding-left:0}.ch-service-quartet h3{font-size:18px}.ch-service-quartet p{font-size:13px}.ch-home-cabinet,.ch-company-section{padding:48px 0}.ch-cabinet{grid-template-columns:1fr;gap:20px}.ch-specimen{display:grid;grid-template-columns:2fr 3fr}.ch-specimen-image{height:100%;aspect-ratio:auto}.ch-specimen-label{padding:18px}.ch-specimen-label h3{font-size:17px}.ch-specimen-label p{font-size:12px}.ch-specimen-label .ch-link{font-size:12px}.ch-timebeam{grid-template-columns:1fr 1fr;gap:24px;border:0}.ch-timebeam li{border-top:1px solid var(--ch-rule);padding-top:16px}.ch-timebeam time{font-size:29px}.ch-company-spread{grid-template-columns:1fr;gap:28px}.ch-company-spread figure img{aspect-ratio:16/10}.ch-journal-pair{grid-template-columns:1fr}.ch-journal-pair article,.ch-journal-pair article+article{padding:24px 0;border-left:0;border-bottom:1px solid var(--ch-rule)}.ch-journal-pair h3{font-size:21px}.ch-cooperation>.ch-bound{display:block}.ch-cooperation h2{font-size:23px;margin-bottom:24px}.ch-end-columns{grid-template-columns:1fr;gap:32px;padding-top:40px;padding-bottom:32px}.ch-legal{gap:12px 20px}.ch-company-opening{padding:20px 0 32px}.ch-company-body{columns:1;font-size:14px}.ch-intro{font-size:16px}.ch-team-duo,.ch-about-road{padding:32px 0}.ch-team-pair{grid-template-columns:1fr;gap:16px}.ch-team-pair article{padding:24px}.ch-history-long{display:grid;grid-template-columns:1fr 1fr}.ch-history-long li{padding:18px;border-bottom:1px solid var(--ch-rule)}.ch-evidence{grid-template-columns:1fr;gap:12px;padding:32px 0 48px}.ch-evidence li{display:block}.ch-evidence li span{display:block;margin-top:8px}.ch-news-title,.ch-product-heading,.ch-contact-title{padding:20px 0 28px}.ch-feature-story>article{grid-template-columns:1fr;gap:0}.ch-feature-visual{min-height:0;height:230px}.ch-feature-story>article>div{padding:24px}.ch-feature-story h2{font-size:24px}.ch-news-rows>article{grid-template-columns:96px 1fr;gap:16px;padding:20px 0}.ch-news-thumb{height:90px}.ch-news-rows h2{font-size:18px}.ch-news-rows>article>p{grid-column:2;display:flex;gap:20px;font-size:11px}.ch-news-rows article>div>p{font-size:12px}.ch-journal-context{grid-template-columns:1fr;gap:12px;padding:32px 0 48px}.ch-reading-paper{width:calc(100% - 40px);margin-top:12px;margin-bottom:40px}.ch-reading-heading p:last-child{gap:6px 16px}.ch-abstract{font-size:15px;padding:12px 16px;margin:24px 0}.ch-reading-content{font-size:15px}.ch-reading-neighbors{grid-template-columns:1fr;gap:0}.ch-reading-neighbors a+a{border-top:1px solid var(--ch-rule)}.ch-reading-related ul{grid-template-columns:1fr}.ch-reading-related{padding:32px 0 48px}.ch-catalog-shell{grid-template-columns:1fr;gap:28px;padding-bottom:40px}.ch-catalog-sidebar{padding-top:16px}.ch-catalog-sidebar nav>ul{display:flex;flex-wrap:wrap;gap:0 20px}.ch-catalog-sidebar nav a{font-size:13px;padding:8px 0}.ch-catalog-sidebar>p{margin:16px 0}.ch-catalog-shelf .ch-cabinet{grid-template-columns:1fr}.ch-catalog-shelf .ch-specimen-label{padding:18px}.ch-selection-guide{padding:32px 0}.ch-selection-guide>.ch-bound{grid-template-columns:1fr;gap:12px}.ch-product-record{grid-template-columns:1fr;gap:24px;padding:24px 0 32px}.ch-product-panorama img{max-height:300px}.ch-product-panorama>.ch-image-missing{height:210px}.ch-product-related ol{grid-template-columns:1fr 1fr}.ch-product-neighbors{display:grid;gap:16px}.ch-map-wide{padding:24px 0}.ch-map-wide img{height:210px}.ch-contact-pair{grid-template-columns:1fr;gap:36px;padding-top:36px;padding-bottom:40px}.ch-contact-record{border-left:0;border-top:1px solid var(--ch-rule);padding:28px 0 0}.ch-form-fields{gap:16px}.ch-form-actions{gap:10px}.ch-form-actions .ch-button,.ch-form-actions .ch-outline{font-size:12px;padding:10px 14px}.ch-visit-note{padding-bottom:40px}}
@media(max-width:380px){.ch-bound,.ch-reading-paper{width:calc(100% - 32px)}.ch-brand strong{font-size:19px}.ch-nav-switch{font-size:11px;padding:7px 9px}.ch-service-quartet{grid-template-columns:1fr}.ch-service-quartet article{padding:20px 0 0;border:0}.ch-specimen{grid-template-columns:1fr}.ch-specimen-image{aspect-ratio:16/10}.ch-form-fields{grid-template-columns:1fr}.ch-banner h1 span{font-size:31px}}