:root{--bg:#EEF5FB;--deep:#E3EEF7;--card:#fff;--sub:#D7E8F4;--ink:#10263A;--text:#243848;--muted:#5A7388;--soft:#7E93A6;--blue:#3B9FE0;--bright:#62B7EE;--steel:#1E6FB8;--ice:#A9D6F2;--mint:#2FA8A0;--border:rgba(30,111,184,.16);--focus:rgba(59,159,224,.38);--shadow:0 16px 40px rgba(16,38,58,.08);--radius:14px;--shell:1220px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.78 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%}.shell{width:min(calc(100% - 32px),var(--shell));margin-inline:auto}.site-header{position:fixed;inset:0 0 auto;z-index:60}.top-line{height:18px;background:var(--steel);color:#fff;font-size:12px}.top-line-inner{height:18px;display:flex;align-items:center;justify-content:space-between}.brand-line{white-space:nowrap}.plain-action{height:18px;padding:0 8px;border:0;background:transparent;color:#fff;cursor:pointer}.face-bar{height:62px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--border);backdrop-filter:blur(10px)}.face-bar-inner{height:62px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-home{justify-self:start;display:flex;align-items:center;min-height:44px}.brand-logo{height:34px;width:auto;max-width:210px;object-fit:contain}.brand-text{font-weight:800;color:var(--ink);font-size:20px}.catalog-button,.app-button,.button,.close-button{min-height:44px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;font-weight:700}.catalog-button{border:1px solid var(--border);background:#fff;color:var(--steel);cursor:pointer}.app-button{justify-self:end;background:linear-gradient(135deg,#62B7EE 0%,#3B9FE0 48%,#1E6FB8 100%);color:#fff}.tab-track{height:40px;background:var(--ice);border-bottom:1px solid rgba(30,111,184,.18)}.tab-track-inner{height:40px;display:flex;align-items:center;gap:6px}.tab-track a{height:28px;padding:1px 12px;display:flex;align-items:center;border-radius:7px;color:var(--ink);font-weight:650}.tab-track a.active{background:var(--blue);color:#fff}.main-content{padding-top:144px;min-height:70vh}.page-hero,.section-block{margin:0 auto 22px}.page-hero{padding:30px 0 6px}.eyebrow{display:inline-block;margin-bottom:10px;color:var(--steel);font-weight:800;letter-spacing:.06em}.page-hero h1,.hero-copy h1{font-size:clamp(28px,4vw,32px);line-height:1.25;color:var(--ink);margin:0 0 14px}.lead{max-width:850px;font-size:17px;color:var(--muted);margin:0}.image-slot{background:linear-gradient(145deg,#fff,#dfeef8);border:1px solid var(--border);border-radius:var(--radius);min-height:190px;display:flex;align-items:center;justify-content:center;overflow:hidden}.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.image-slot.hero-image{max-height:300px;aspect-ratio:16/9}.image-slot.hero-image img{max-height:300px}.image-slot.card-image{height:200px}.image-slot.app-image{min-height:320px;max-height:420px}.image-slot.app-image img{max-height:420px;width:auto}.cover-wrap{padding-top:16px}.cover-copy{padding:22px 0 12px}.cover-copy .kicker{color:var(--steel);font-weight:800}.cover-copy h1{margin:5px 0 10px;font-size:clamp(28px,4vw,32px);color:var(--ink)}.cover-copy p{max-width:850px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.button{border:1px solid transparent}.button.primary{background:linear-gradient(135deg,#62B7EE 0%,#3B9FE0 48%,#1E6FB8 100%);color:#fff}.button.secondary{background:#fff;border-color:var(--steel);color:var(--steel)}.section-block{padding:28px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:16px}.section-head h2,.content-card h2,.prose h2{margin:0;color:var(--ink);font-size:22px;line-height:1.35}.section-head p{margin:0;color:var(--muted);max-width:720px}.tag-grid,.card-grid,.topic-grid,.status-grid,.info-grid{display:grid;gap:14px}.tag-grid{grid-template-columns:repeat(3,1fr)}.tag-card{background:#fff;border:1px solid var(--border);border-left:5px solid var(--bright);border-radius:12px;padding:18px}.tag-card:nth-child(even){border-left-color:var(--mint)}.tag-card strong{display:block;color:var(--ink);margin-bottom:5px}.tag-card p{margin:0 0 10px;color:var(--muted)}.text-link{color:var(--steel);font-weight:750}.split{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:22px;align-items:start}.number-list{display:grid;gap:8px}.number-item{display:grid;grid-template-columns:56px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--border)}.number-item .num,.big-num{font-size:28px;font-weight:900;color:var(--steel);line-height:1}.number-item strong{display:block;color:var(--ink);margin-bottom:2px}.number-item p{margin:0;color:var(--muted)}.card-grid.four{grid-template-columns:repeat(4,1fr)}.content-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.content-card .body{padding:18px}.content-card p{color:var(--muted);margin:8px 0 0}.topic-grid{grid-template-columns:repeat(3,1fr)}.topic-tile{background:linear-gradient(145deg,#fff,#e8f4fb);border:1px solid var(--border);border-radius:12px;padding:20px}.topic-tile strong{color:var(--ink)}.shelf{display:grid;gap:10px}.shelf-row{display:grid;grid-template-columns:150px 1fr auto;gap:16px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px}.shelf-row strong{color:var(--ink)}.shelf-row span{color:var(--muted)}.status-grid{grid-template-columns:repeat(4,1fr)}.status-card{background:#fff;border:1px solid var(--border);border-top:4px solid var(--blue);border-radius:12px;padding:18px}.status-card strong{color:var(--ink)}.status-card p{margin:6px 0 0;color:var(--muted)}.feature-band{background:var(--deep);border-block:1px solid var(--border);padding:30px 0;margin:24px 0}.prose{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.prose p{margin:10px 0;color:var(--text)}.prose h2{margin-top:24px}.prose h2:first-child{margin-top:0}.prose ul{padding-left:20px}.prose li{margin:7px 0}.info-grid{grid-template-columns:repeat(2,1fr)}.info-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px}.info-card h2,.info-card h3{color:var(--ink);margin:0 0 8px}.info-card p{margin:0;color:var(--muted)}.long-strip{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--border)}.long-strip strong{color:var(--steel)}.article-note{background:#dff1f7;border-left:4px solid var(--mint);padding:14px 16px;border-radius:8px;color:var(--ink);margin:16px 0}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px}.faq-item h2{font-size:18px;margin:0 0 8px;color:var(--ink)}.faq-item p{margin:0;color:var(--muted)}.catalog-panel,.search-layer{position:fixed;z-index:90;left:0;right:0;top:80px;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-8px);transition:.2s ease}.catalog-panel.open,.search-layer.open{visibility:visible;pointer-events:auto;opacity:1;transform:none}.catalog-inner{max-height:50vh;overflow:auto;background:#fff;border:1px solid var(--border);border-radius:0 0 16px 16px;box-shadow:var(--shadow);padding:18px}.catalog-head,.search-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}.catalog-brand{display:flex;align-items:center;gap:10px;color:var(--ink)}.catalog-logo{height:30px;width:auto}.close-button{border:1px solid var(--border);background:#fff;color:var(--steel);cursor:pointer}.catalog-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.catalog-grid h2{font-size:16px;color:var(--steel);margin:0 0 8px}.catalog-grid a{display:block;padding:8px 0;border-bottom:1px solid var(--border)}.catalog-grid strong{display:block;color:var(--ink)}.catalog-grid span{font-size:13px;color:var(--muted)}.overlay{position:fixed;inset:0;background:rgba(16,38,58,.34);z-index:80;opacity:0;pointer-events:none;transition:.2s}.overlay.show{opacity:1;pointer-events:auto}.search-card{background:#fff;border:1px solid var(--border);border-radius:0 0 16px 16px;padding:20px;box-shadow:var(--shadow)}.search-head strong{font-size:19px;color:var(--ink)}.search-box{height:52px;border:1px solid var(--focus);border-radius:10px;display:flex;align-items:center;padding:0 16px;color:var(--soft);background:#f8fcff}.search-presets{display:flex;gap:9px;flex-wrap:wrap;margin-top:14px}.search-presets a{padding:9px 14px;border:1px solid var(--border);background:var(--deep);border-radius:9px;color:var(--steel);font-weight:700}.layer-open{overflow:hidden}.site-footer{background:#10263A;color:#C7D8E6;margin-top:50px;padding:36px 0 24px}.footer-brand{display:flex;justify-content:space-between;gap:30px;align-items:center;padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-logo-wrap{display:flex;align-items:center;gap:12px}.footer-logo{height:32px;width:auto;object-fit:contain}.footer-logo-wrap strong{display:block;color:#fff}.footer-logo-wrap span{font-size:12px}.footer-brand p{max-width:620px;margin:0}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:26px 0}.footer-grid h2{font-size:15px;color:#fff;margin:0 0 8px}.footer-grid a{display:block;padding:3px 0;color:#C7D8E6}.footer-bottom{padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:14px}.mobile-bottom{display:none}
a:focus-visible,button:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
@media (hover:hover){.button:hover,.app-button:hover{filter:brightness(.96)}.content-card:hover{transform:translateY(-2px);transition:.2s}.text-link:hover,.footer-grid a:hover{text-decoration:underline}}
@media(max-width:900px){.card-grid.four{grid-template-columns:repeat(2,1fr)}.topic-grid,.tag-grid{grid-template-columns:repeat(2,1fr)}.status-grid{grid-template-columns:repeat(2,1fr)}.catalog-grid{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.shell{width:min(calc(100% - 32px),var(--shell))}.tab-track{display:none}.main-content{padding-top:96px;padding-bottom:62px}.face-bar-inner{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}.brand-logo{height:28px;max-width:145px}.catalog-button,.app-button{min-width:72px;padding:0 12px}.catalog-panel,.search-layer{top:80px}.catalog-inner{width:100%;max-height:66vh;border-radius:0;padding:16px}.catalog-grid{grid-template-columns:1fr 1fr;gap:14px}.search-layer{inset:80px 0 0;background:var(--ice);transform:none}.search-card{width:100%;border-radius:0;min-height:100%;background:var(--ice);border:0}.tag-grid,.topic-grid,.card-grid.four,.status-grid,.info-grid{grid-template-columns:1fr}.shelf-row{grid-template-columns:1fr}.footer-brand{align-items:flex-start;flex-direction:column}.mobile-bottom{position:fixed;z-index:70;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;min-height:50px;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border);box-shadow:0 -8px 22px rgba(16,38,58,.08)}.mobile-bottom a{min-height:50px;display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--steel)}.mobile-bottom a.active{background:var(--blue);color:#fff}.site-footer{margin-bottom:calc(50px + env(safe-area-inset-bottom))}.cover-wrap{padding-top:14px}.page-hero{padding-top:24px}.section-block{padding:22px 0}.image-slot.card-image{height:190px}.footer-grid{grid-template-columns:1fr 1fr}.top-line-inner{font-size:11px}}
@media(max-width:420px){.brand-line{font-size:10px}.brand-logo{max-width:118px}.catalog-button,.app-button{min-width:62px;padding:0 9px;font-size:14px}.catalog-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.number-item{grid-template-columns:46px 1fr}.number-item .num{font-size:24px}}