:root{--bg:#EEF5FB;--deep:#E3EEF7;--paper:#fff;--soft:#D7E8F4;--ink:#10263A;--text:#243848;--muted:#5A7388;--faint:#7E93A6;--blue:#3B9FE0;--bright:#62B7EE;--steel:#1E6FB8;--ice:#A9D6F2;--mint:#2FA8A0;--border:rgba(30,111,184,.16);--strong-border:rgba(59,159,224,.38);--shadow:0 16px 40px rgba(16,38,58,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.shell-inner,.content-wrap{width:min(1220px,calc(100% - 32px));margin-inline:auto}.site-shell{position:fixed;inset:0 0 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@media(max-width:640px){body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.shell-inner,.content-wrap{width:calc(100% - 32px)}.tab-rail{display:none}.site-main{padding-top:80px}.frame-line{height:18px}.surface-bar{height:62px}.surface-bar-inner{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}.brand-logo{height:28px;max-width:118px}.brand-text{font-size:18px}.catalog-button,.app-link{padding:8px 11px;min-width:56px}.hero,.page-hero{padding-top:20px}.hero-media{aspect-ratio:3/2;max-height:300px}.hero-copy{padding-top:18px}.tag-grid,.topic-grid,.info-grid,.status-grid,.card-grid.four{grid-template-columns:1fr}.card-media{height:190px}.split-section{gap:18px}.shelf-row{grid-template-columns:1fr;gap:6px}.rank-row{grid-template-columns:58px 1fr}.catalog-panel,.search-panel{top:80px}.catalog-panel{max-height:66vh}.catalog-groups{grid-template-columns:1fr 1fr;gap:14px}.catalog-head{height:56px}.catalog-groups a span{display:none}.search-panel{top:0;bottom:0;background:var(--ice);padding-top:18px;overflow:auto}.search-card{width:calc(100% - 24px);border-radius:14px;margin:auto}.mobile-bottom{position:fixed;z-index:60;bottom:0;left:0;right:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(5,1fr);box-shadow:0 -8px 24px rgba(16,38,58,.06)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:12px;min-height:50px;color:var(--muted)}.mobile-bottom a.is-active{background:var(--blue);color:#fff}.site-footer{padding-bottom:90px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.section{padding:26px 0}.section-head{display:block}.section-head p{margin-top:6px}.page-hero .article-media{min-height:190px}.app-visual{min-height:250px}.hero h1,.page-hero h1{font-size:28px}.frame-line-inner{font-size:10px}}
@media(max-width:390px){.catalog-button,.app-link{padding-inline:9px;font-size:13px}.brand-logo{max-width:100px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.catalog-groups{grid-template-columns:1fr 1fr}.frame-line-inner span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:75%}}