:root{color-scheme:light;--paper:#f5f3ed;--ink:#262621;--muted:#66655c;--line:#d3d0c6;--blue:#2357bb;--white:#fffefa;--soft:#ece9df;font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;font-size:16px;line-height:1.75;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}button,a,input{touch-action:manipulation}img{display:block;max-width:100%}[hidden]{display:none!important}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--blue);outline-offset:4px}button:active,.action:active{background:var(--soft);color:var(--ink)}h1,h2,h3,p{margin:0}h1,h2,h3{text-wrap:balance;font-weight:500}p{text-wrap:pretty}h1{font-family:"Songti SC","STSong","SimSun",serif;font-size:clamp(34px,4vw,49px);line-height:1.4;letter-spacing:.035em;margin-bottom:22px}h2{font-family:"Songti SC","STSong","SimSun",serif;font-size:28px;line-height:1.5}h3{font-size:22px;line-height:1.5}
.shell{width:min(1120px,calc(100% - 64px));margin-inline:auto}.skip-link{position:absolute;left:16px;top:-100px;background:var(--ink);color:var(--white);padding:12px 18px;z-index:20}.skip-link:focus{top:12px}
.site-header{display:flex;align-items:center;gap:26px;min-height:112px;border-bottom:1px solid var(--line)}.wordmark{display:flex;align-items:center;gap:14px;flex-shrink:0;font-size:21px;font-weight:600;letter-spacing:.05em;line-height:1.4}.company-logo{width:42px;height:49px;object-fit:contain}.wordmark small{display:block;color:var(--muted);font-size:14px;font-weight:400;letter-spacing:.12em;margin-top:3px}.site-header nav{display:flex;gap:25px;margin-left:auto;font-size:15px}.site-header nav a,.directory-link{display:flex;align-items:center;min-height:44px;white-space:nowrap}.directory-link{font-size:15px;color:var(--blue);gap:12px}.site-header a[aria-current=page]{color:var(--blue);text-decoration:underline;text-underline-offset:8px;text-decoration-thickness:2px}
.hero{display:grid;grid-template-columns:1.23fr 1fr;gap:70px;padding:46px 0 44px;align-items:start}.eyebrow{font-size:14px;color:var(--blue);margin-bottom:18px}.hero-description{max-width:31em;color:var(--muted);font-size:17px;line-height:1.8}.hero-route{display:flex;gap:24px;margin-top:27px;font-size:16px}.hero-route a{min-height:44px;display:flex;align-items:center;border-bottom:1px solid var(--ink);gap:18px}.section-caption{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:8px;font-size:14px;color:var(--muted)}.feature-list{list-style:none;padding:0;margin:0;border-bottom:1px solid var(--line)}.feature-list li{border-top:1px solid var(--line)}.feature-list a{display:flex;align-items:center;gap:16px;min-height:76px;padding:11px 0}.feature-copy{flex:1;min-width:0}.feature-copy strong{display:block;font-size:18px;font-weight:500;line-height:1.5}.resource-kind{font-size:14px;color:var(--muted);display:block;margin-bottom:4px}.open-arrow{color:var(--blue);font-size:22px}
.section{border-top:1px solid var(--line);padding:32px 0 38px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:25px}.section-heading p{color:var(--muted);font-size:14px;max-width:34em}.text-link{color:var(--blue);display:inline-flex;align-items:center;min-height:44px;gap:18px;font-size:15px}.chapter-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}.chapter-link{display:block;padding-top:14px;border-top:2px solid var(--ink)}.chapter-meta{font-size:14px;color:var(--muted)}.chapter-link h3{font-size:24px;margin:6px 0 9px}.chapter-link p{font-size:16px;line-height:1.8;color:var(--muted)}.chapter-open{display:block;margin-top:17px;font-size:15px;color:var(--blue)}
.page-intro{padding:28px 0 34px}.breadcrumb{display:inline-flex;min-height:44px;align-items:center;color:var(--muted);font-size:14px;margin-bottom:16px}.page-subtitle{font-size:15px;color:var(--blue);margin-bottom:13px}.page-description{font-size:17px;color:var(--muted);max-width:44em;line-height:1.8}.catalog-section{padding-bottom:40px}.catalog-toolbar{display:flex;gap:24px;align-items:end;justify-content:space-between;margin:0}.filter-tabs{display:flex;gap:4px;flex-wrap:wrap}.filter-tabs button{background:transparent;border:1px solid transparent;border-radius:3px;min-height:44px;padding:9px 14px;color:var(--muted);font-size:15px}.filter-tabs button[aria-pressed=true]{border-color:var(--ink);color:var(--ink);background:var(--white)}.search-input{display:flex;flex-direction:column;gap:5px;font-size:14px;color:var(--muted)}.search-input input{min-height:44px;width:260px;border:1px solid #bdb9ae;background:var(--white);color:var(--ink);border-radius:3px;padding:9px 12px;font-size:16px}.search-input input::placeholder{color:var(--muted)}.catalog-status{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:12px 0;font-size:14px;color:var(--muted);min-height:44px}.catalog-status button{background:none;border:0;color:var(--blue);min-height:44px;padding:6px 0}.catalog-status #clear-filters{margin-left:auto}
.resource-table{border-top:1px solid var(--ink)}.table-head,.resource-row{display:grid;grid-template-columns:130px minmax(0,1fr) 94px 24px;gap:22px;align-items:center}.table-head{min-height:44px;font-size:14px;color:var(--muted);border-bottom:1px solid var(--line)}.resource-row{min-height:94px;padding:16px 0;border-bottom:1px solid var(--line)}.row-kind,.row-status{font-size:14px;color:var(--muted)}.row-name{font-size:18px;font-weight:500;display:block;margin-bottom:4px}.row-summary{font-size:16px;line-height:1.75;color:var(--muted);max-width:40em;display:block}.row-arrow{font-size:21px;color:var(--blue);text-align:right}.empty-state{padding:36px 0;border-block:1px solid var(--line)}.empty-state h2{font-size:24px}.empty-state p{color:var(--muted);margin:8px 0 22px}.action{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border:1px solid var(--ink);border-radius:3px;font-size:15px;white-space:nowrap}.dark{background:var(--ink);color:var(--white)}
.updates-section{display:grid;grid-template-columns:1fr 1.8fr;gap:70px}.update-empty{border-top:1px solid var(--line);padding-top:18px}.update-empty h3{font-size:19px;margin-bottom:10px}.update-empty p,.update-item p{color:var(--muted);font-size:16px;max-width:37em;line-height:1.8}.update-item{display:grid;grid-template-columns:110px 1fr;gap:24px;border-top:1px solid var(--line);padding:22px 0}.update-item time{font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}.update-item h3{font-size:20px}.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px}.service-panel{border-top:2px solid var(--ink);padding:24px 0}.service-panel h2{margin-bottom:16px}.service-panel p{color:var(--muted);margin-bottom:22px}.service-panel>div{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.section-note{font-size:14px;color:var(--muted);margin:16px 0 38px}.site-footer{border-top:1px solid var(--line);padding:26px 0 38px;display:flex;justify-content:space-between;gap:30px;color:var(--muted);font-size:14px}.footer-brand{color:var(--ink);font-weight:500;font-size:16px;margin-bottom:5px}.site-footer nav{display:flex;align-items:center;gap:24px}.site-footer nav a{display:inline-flex;min-height:44px;align-items:center}
@media(hover:hover) and (pointer:fine){.site-header nav a:hover,.text-link:hover,.site-footer a:hover,.resource-row:hover .row-name,.feature-list a:hover strong{color:var(--blue)}.hero-route a:hover,.chapter-link:hover{color:var(--blue);border-color:var(--blue)}.filter-tabs button:hover{background:var(--soft)}.dark:hover{background:#45453d}.resource-row:hover{background:var(--white)}}
@media(max-width:1000px){.site-header{gap:18px}.site-header nav{gap:15px}.hero,.updates-section{gap:36px}.chapter-grid{gap:20px}.chapter-link h3{font-size:22px}.catalog-toolbar{flex-wrap:wrap;gap:14px}.search-input{flex:1;min-width:220px}.search-input input{width:100%}}
@media(max-width:760px){.shell{width:calc(100% - 36px)}.site-header{display:grid;grid-template-columns:1fr auto;padding:20px 0 8px;min-height:0;gap:14px}.wordmark{gap:10px;font-size:18px}.company-logo{width:35px;height:41px}.wordmark small{font-size:14px}.site-header nav{grid-column:1 / -1;grid-row:2;justify-content:space-between;gap:6px;margin:0;font-size:14px}.site-header nav a{min-height:44px}.directory-link{font-size:14px;gap:6px}.hero{grid-template-columns:1fr;gap:30px;padding:28px 0 30px}.eyebrow{margin-bottom:13px}h1{font-size:33px;line-height:1.5;margin-bottom:17px}.hero-description{font-size:16px}.hero-route{gap:23px;margin-top:18px}.hero-route a{gap:12px}.feature-list a{min-height:73px}.feature-copy strong{font-size:17px}.section{padding:27px 0 32px}.section-heading{align-items:flex-start;gap:14px}.section-heading h2,.updates-section h2{font-size:25px}.chapter-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 20px}.chapter-link p,.chapter-open{font-size:14px}.chapter-open{margin-top:14px}.page-intro{padding:20px 0 28px}.breadcrumb{margin-bottom:12px}.page-description{font-size:16px}.catalog-toolbar{gap:14px;align-items:stretch;flex-direction:column}.filter-tabs{gap:4px}.filter-tabs button{font-size:14px;padding:9px 10px}.search-input{min-width:0}.table-head{display:none}.resource-row{grid-template-columns:minmax(0,1fr) 24px;gap:4px 12px;min-height:112px;padding:17px 0}.row-kind{grid-column:1;grid-row:1}.row-title{grid-column:1;grid-row:2}.row-name{font-size:17px;line-height:1.5}.row-summary{font-size:16px}.row-status{grid-column:1;grid-row:3;margin-top:5px}.row-arrow{grid-column:2;grid-row:1 / 4}.updates-section{grid-template-columns:1fr;gap:18px}.service-grid{grid-template-columns:1fr;gap:12px}.site-footer{flex-direction:column;gap:16px;padding:24px 0 30px}.update-item{grid-template-columns:1fr;gap:8px}}
@media(max-width:370px){.shell{width:calc(100% - 28px)}.site-header nav{display:grid;grid-template-columns:1fr 1fr;gap:0 8px}.site-header nav a{justify-content:center}.directory-link{gap:3px}.hero-route{gap:18px}.hero-route a{gap:8px}.chapter-grid{gap:24px 16px}.chapter-link h3{font-size:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
/* The Hub's shared surfaces echo the light ocean homepage. Creative demos keep their own palettes. */
:root:has(body:not(.reim-home):not(.reim-page) .site-header){--paper:#fafcfd;--ink:#243e50;--muted:#536d7d;--line:#dce6eb;--blue:#246aa8;--white:#fff;--soft:#f1f6f8}
body:not(.reim-home):not(.reim-page):has(.site-header){background-color:#fafcfd;background-image:linear-gradient(rgba(63,112,143,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(63,112,143,.035) 1px,transparent 1px);background-size:32px 32px}