:root{--blue:#0033A0;--bright:#0052CC;--deep:#002066;--ink:#0A1628;--text:#1E2A3A;--muted:#4A5568;--soft:#718096;--bg:#FFFFFF;--layer:#F5F7FA;--sub:#EEF1F6;--line:rgba(0,51,160,.14);--shadow:0 12px 36px rgba(0,33,102,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.72;overflow-x:hidden}.locked{overflow:hidden}.container{width:min(1220px,calc(100% - 32px));margin-inline:auto}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%;height:auto}
.site-fixed{position:fixed;inset:0 0 auto;z-index:40}.blue-line{height:22px;background:var(--deep);color:#fff;font-size:12px}.blue-line-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:#fff;min-height:22px;cursor:pointer}.masthead{height:68px;background:#fff;border-bottom:1px solid var(--line)}.masthead-inner{height:68px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.brand-home{justify-self:start;min-height:44px;display:flex;align-items:center}.brand-home img{height:34px;width:auto;max-width:180px;object-fit:contain}.brand-home strong{font-size:24px;color:var(--deep)}.catalog-button,.app-link{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px}.catalog-button{border:1px solid var(--blue);background:#fff;color:var(--blue);padding:0 22px;cursor:pointer}.app-link{justify-self:end;background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%);color:#fff;padding:0 18px}.tabbar{height:44px;background:var(--layer);border-bottom:1px solid var(--line)}.tabbar-inner{height:44px;display:flex;align-items:center;gap:8px}.tabbar a{min-height:32px;display:flex;align-items:center;padding:0 12px;border-radius:8px;color:var(--ink)}.tabbar a.is-active{background:var(--blue);color:#fff}
main{padding-top:134px}.page-shell{padding-top:44px;padding-bottom:72px}.page-intro{max-width:820px;margin-bottom:26px}.eyebrow{color:var(--blue);font-weight:700;letter-spacing:.06em}.page-intro h1,.hero-copy h1{font-size:clamp(28px,3vw,32px);line-height:1.25;margin:.25em 0;color:var(--ink)}.page-intro p{font-size:16px;color:var(--muted)}.media-slot{background:var(--layer);border:1px solid var(--line);border-radius:14px;display:flex;align-items:center;justify-content:center;padding:12px}.media-slot img{width:100%;max-width:100%;height:auto;object-fit:contain;object-position:center}.page-media{margin:0 0 28px}.page-media img{max-height:240px}.placeholder{aspect-ratio:16/9;min-height:160px}.article-stack{display:grid;gap:16px}.content-section{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:var(--shadow)}.content-section h2{margin:0 0 8px;color:var(--ink);font-size:21px}.content-section p{margin:0}.related-card{margin-top:22px;background:var(--layer);border-radius:14px;padding:22px}.related-card h2{margin-top:0;color:var(--ink);font-size:20px}.link-row{display:flex;flex-wrap:wrap;gap:10px}.link-row a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--blue);color:var(--blue);border-radius:10px;background:#fff}
.hero{padding:34px 0 20px}.hero-media img{max-height:300px}.hero-copy{max-width:820px;margin-top:24px}.hero-copy p{color:var(--muted)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.btn{min-height:44px;display:inline-flex;align-items:center;padding:0 18px;border-radius:10px}.btn.primary{background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%);color:#fff}.btn.secondary{border:1px solid var(--blue);color:var(--blue);background:#fff}
.home-section{padding:34px 0}.home-section.alt{background:var(--layer)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}.section-head h2{margin:0;color:var(--ink);font-size:26px}.section-head p{margin:0;color:var(--soft)}.grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.tag-card,.board-card,.shelf-card,.service-card{border:1px solid var(--line);border-radius:14px;background:#fff;padding:20px}.tag-card b{display:block;color:var(--blue);margin-bottom:8px}.tag-card:nth-child(even) b{color:var(--deep)}.triptych{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.panel-card{border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}.panel-card .media-slot{border:0;border-radius:0;border-bottom:1px solid var(--line)}.panel-card .media-slot img{max-height:220px}.panel-card .pad{padding:18px}.panel-card h3{margin-top:0;color:var(--ink)}.theme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.theme-grid a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;min-height:100px}.shelf-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.shelf-card h3,.service-card h3{margin:0 0 8px;color:var(--ink)}.number-list{display:grid;gap:10px}.number-row{display:grid;grid-template-columns:72px 1fr;gap:16px;align-items:center;border-bottom:1px solid var(--line);padding:14px 0}.number-row strong{font-size:42px;color:var(--blue)}.timeline{border-left:2px solid var(--blue);margin-left:10px;padding-left:24px;display:grid;gap:18px}.timeline article{position:relative}.timeline article:before{content:"";position:absolute;width:12px;height:12px;border-radius:50%;background:var(--blue);left:-31px;top:8px}.app-layout{display:grid;grid-template-columns:minmax(220px,360px) 1fr;gap:30px;align-items:center}.app-layout .media-slot img{max-height:420px;width:auto}.late-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.site-footer{background:var(--ink);color:#A0AEC0;padding:48px 0 24px}.footer-grid{display:grid;grid-template-columns:1.7fr repeat(4,1fr);gap:28px}.footer-brand img{height:32px;width:auto;object-fit:contain;margin-bottom:10px}.footer-brand strong{display:inline-block;color:#fff;font-size:22px;margin-right:8px}.footer-grid h2{color:#fff;font-size:16px}.footer-grid a{display:block;padding:4px 0}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:26px;padding-top:18px}
.overlay,.catalog-panel,.search-panel{visibility:hidden;pointer-events:none}.overlay{position:fixed;inset:0;background:rgba(10,22,40,.42);z-index:50;opacity:0;transition:.2s}.overlay.is-open{visibility:visible;pointer-events:auto;opacity:1}.catalog-panel,.search-panel{position:fixed;z-index:60;left:0;right:0;top:90px;max-height:calc(100vh - 90px);overflow:auto;transform:translateY(-12px);opacity:0;transition:.2s}.catalog-panel{background:#fff;border-bottom:1px solid var(--line)}.catalog-panel.is-open,.search-panel.is-open{visibility:visible;pointer-events:auto;transform:none;opacity:1}.panel-inner{padding:18px 0 28px}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:16px}.panel-brand{display:flex;align-items:center;gap:10px}.panel-brand img{height:30px;width:auto}.close-button{min-height:44px;border:1px solid var(--blue);background:#fff;color:var(--blue);border-radius:10px;padding:0 16px;cursor:pointer}.catalog-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:16px}.catalog-grid h2{font-size:16px;color:var(--ink)}.catalog-grid a{display:block;border-top:1px solid var(--line);padding:10px 0}.catalog-grid b{display:block;color:var(--ink)}.catalog-grid span{display:block;font-size:13px;color:var(--soft);margin-top:3px}.search-panel{background:transparent}.search-card{background:#fff;border-radius:0 0 16px 16px;padding:24px;box-shadow:var(--shadow)}.search-look{height:48px;border:1px solid var(--line);border-radius:10px;color:var(--soft);display:flex;align-items:center;padding:0 14px;margin:18px 0}.search-links{display:flex;gap:10px;flex-wrap:wrap}.search-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;background:var(--layer);border-radius:10px;color:var(--blue)}
.overlay:not(.is-open),.catalog-panel:not(.is-open),.search-panel:not(.is-open){visibility:hidden;pointer-events:none}
.mobile-bottom{display:none}
a:focus-visible,button:focus-visible{outline:3px solid #0052CC;outline-offset:3px}
@media(max-width:900px){.grid-6,.theme-grid{grid-template-columns:repeat(2,1fr)}.triptych,.late-grid{grid-template-columns:1fr}.catalog-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-brand{grid-column:1/-1}.app-layout{grid-template-columns:1fr}.app-layout .media-slot img{max-height:360px}.number-row{grid-template-columns:58px 1fr}}
@media(max-width:760px){.tabbar{display:none}main{padding-top:90px;padding-bottom:70px}.masthead-inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:6px}.brand-home img{height:30px;max-width:120px}.catalog-button{padding:0 12px}.app-link{padding:0 12px}.page-shell{padding-top:28px}.hero{padding-top:22px}.hero-media img{max-height:none}.page-media img{max-height:190px}.panel-card .media-slot img{max-height:190px}.grid-6,.theme-grid,.shelf-grid{grid-template-columns:1fr}.catalog-panel,.search-panel{top:90px;max-height:calc(100vh - 90px)}.catalog-grid{grid-template-columns:1fr}.search-panel{inset:90px 0 0;max-height:none;background:var(--layer)}.search-card{width:100%;min-height:100%;border-radius:0}.footer-grid{grid-template-columns:1fr}.mobile-bottom{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;z-index:35;left:0;right:0;bottom:0;min-height:50px;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line)}.mobile-bottom a{min-height:50px;display:flex;align-items:center;justify-content:center;font-size:13px}.mobile-bottom a.is-active{background:var(--blue);color:#fff}.site-footer{padding-bottom:90px}.app-layout .media-slot img{max-height:340px;width:auto}.late-grid{grid-template-columns:1fr}}
@media(max-width:420px){.container{width:calc(100% - 32px)}.brand-home strong{font-size:21px}.number-row strong{font-size:34px}.content-section{padding:18px}}