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.site-footer{background:var(--navy-deep);color:#d2dce2;padding:58px 0 24px}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:65px;padding-bottom:42px}.footer-name{font-family:SimSun,serif;font-size:22px;line-height:1.65;margin-bottom:18px;color:#fff}.footer-copy{font-size:12px;color:#91a9b9;max-width:390px}.footer-title{font-size:12px;color:#bda36b;margin-bottom:18px;letter-spacing:.08em}.footer-links{display:grid;gap:8px;font-size:13px}.footer-links a:hover{color:#d3b471}.footer-bottom{border-top:1px solid #ffffff18;padding-top:22px;display:flex;justify-content:space-between;gap:22px;font-size:11px;color:#8ca4b5}.footer-legal{display:flex;gap:18px;flex-wrap:wrap}.back-top{position:fixed;bottom:25px;right:24px;z-index:30;background:#fff;color:var(--navy);border:1px solid var(--line);box-shadow:0 4px 18px #00000011;width:42px;height:42px;opacity:0;pointer-events:none;transition:opacity .2s;border-radius:3px}.back-top.is-visible{opacity:1;pointer-events:auto}.back-top svg{width:19px;height:19px}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);max-width:calc(100% - 40px);background:var(--navy-deep);color:#fff;padding:12px 24px;border-radius:4px;z-index:150;font-size:14px;box-shadow:var(--shadow)}.toast[hidden]{display:none}
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@media(max-width:380px){.brand-name{font-size:13px}.brand-subtitle{font-size:9px}.brand-mark{width:27px}.header-actions .icon-button{padding:7px;min-width:35px}.home-hero h1{font-size:36px}.hero-index{gap:13px;font-size:10px}.hero-index strong{font-size:21px}.button{padding:12px 18px}.grid-4{grid-template-columns:1fr}.research-card{padding:22px;gap:14px}.research-card h3{font-size:19px}.workflow{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media(max-width:800px){.hero-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.hero-index span{white-space:nowrap}.hero-index span:last-child{display:none}.hero-index strong{display:block;margin-bottom:5px}}
@media print{.site-header,.site-footer,.back-top,.button-row,.search-dialog,.diagram-controls{display:none}.container{width:100%}.section{padding:24px 0}.home-hero{background:#fff;color:#000}.home-hero .lead{color:#333}a{text-decoration:underline}.card{break-inside:avoid}.page-hero{padding:15px 0}}