:root{--blue:#0033A0;--blue2:#0052CC;--blue3:#002066;--ink:#0A1628;--text:#1E2A3A;--muted:#4A5568;--soft:#718096;--bg:#fff;--deep:#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:#fff;color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}.wrap{width:min(1220px,calc(100% - 32px));margin-inline:auto}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(0,82,204,.35);outline-offset:3px}.top-fixed-shell{position:fixed;inset:0 0 auto 0;z-index:50}.brand-line{height:22px;background:var(--blue3);color:#fff;font-size:12px}.brand-line-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.plain-button{border:0;background:transparent;color:#fff;min-width:44px;min-height:22px;cursor:pointer}.masthead{height:68px;background:#fff;border-bottom:1px solid var(--line)}.masthead-inner{height:100%;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.logo-link{justify-self:start;min-height:44px;display:flex;align-items:center;color:var(--blue3);font-size:26px}.brand-logo{display:block;width:auto;max-width:180px;height:34px;object-fit:contain}.catalog-button,.app-link,.button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:0 18px;font-weight:700}.catalog-button{border:1px solid var(--blue);background:#fff;color:var(--blue);cursor:pointer}.app-link{justify-self:end;color:#fff;background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%)}.tabbar{height:44px;background:var(--deep);border-bottom:1px solid var(--line)}.tabbar-inner{height:100%;display:flex;align-items:center;gap:8px}.tabbar a{min-height:34px;display:flex;align-items:center;padding:0 12px;border-radius:8px;color:var(--muted);font-weight:650}.tabbar a.active{background:var(--blue);color:#fff}.site-main{padding-top:150px}.hero,.section{padding:44px 0}.section.alt{background:var(--deep)}.hero h1,.section h1{font-size:clamp(28px,3vw,32px);line-height:1.25;margin:0 0 16px;color:var(--ink)}h2{color:var(--ink);line-height:1.35}.lead{font-size:18px;max-width:820px;color:var(--muted)}.eyebrow{color:var(--blue);font-weight:800;letter-spacing:.06em}.button-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.button.primary{color:#fff;background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%)}.button.secondary{background:#fff;color:var(--blue);border:1px solid var(--blue)}.image-slot{width:100%;background:var(--deep);border:1px solid var(--line);border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:visible}.image-slot.banner{min-height:180px;max-height:300px}.image-slot.column{min-height:150px}.image-slot img{max-width:100%;width:100%;height:auto;object-fit:contain;object-position:center;border-radius:13px}.image-slot.banner img{max-height:300px;width:auto}.image-slot.app-art img{max-height:420px;width:auto}.grid{display:grid;gap:18px}.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow)}.card h2,.card h3{margin-top:0}.card p:last-child{margin-bottom:0}.tag{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;border-radius:8px;background:var(--sub);color:var(--blue3);font-weight:700;font-size:13px}.number{font-size:42px;color:var(--blue2);font-weight:900;line-height:1}.list-clean{list-style:none;padding:0;margin:0}.list-clean li{padding:14px 0;border-bottom:1px solid var(--line)}.timeline{position:relative;padding-left:28px}.timeline:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--line)}.timeline article{position:relative;margin:0 0 24px;padding:18px;border:1px solid var(--line);border-radius:12px;background:#fff}.timeline article:before{content:"";position:absolute;left:-27px;top:25px;width:12px;height:12px;border-radius:50%;background:var(--blue2)}.notice{background:var(--sub);border-left:4px solid var(--blue);padding:16px 18px;border-radius:8px}.content-prose{max-width:900px}.content-prose p{margin:0 0 18px}.faq details{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:#fff}.faq{display:grid;gap:12px}.faq summary{cursor:pointer;font-weight:800;color:var(--ink)}.site-footer{background:var(--ink);color:#A0AEC0;padding:46px 0 86px}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:28px}.site-footer h2{font-size:15px;color:#fff;margin:0 0 12px}.site-footer a{display:block;min-height:36px}.footer-brand strong{display:inline-block;color:#fff;font-size:24px;margin-right:8px}.footer-brand p{max-width:430px}.footer-logo{margin-bottom:14px}.copyright{padding-top:24px;margin-top:24px;border-top:1px solid rgba(255,255,255,.12)}.catalog-layer,.search-layer,.layer-overlay{position:fixed;visibility:hidden;pointer-events:none;opacity:0;transition:.18s ease}.catalog-layer{z-index:80;left:0;right:0;top:90px}.catalog-layer.open,.search-layer.open,.layer-overlay.open{visibility:visible;pointer-events:auto;opacity:1}.catalog-panel{width:min(1220px,100%);margin:0 auto;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);max-height:calc(100vh - 110px);overflow:auto}.catalog-head,.search-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}.catalog-brand{display:flex;align-items:center;gap:12px}.close-button{min-width:44px;min-height:44px;border:1px solid var(--line);background:#fff;color:var(--blue);border-radius:10px;cursor:pointer}.catalog-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;padding:20px}.catalog-groups section{min-width:0}.catalog-groups h2{font-size:16px}.catalog-groups a{display:block;padding:12px 0;border-bottom:1px solid var(--line)}.catalog-groups b,.catalog-groups span{display:block}.catalog-groups span{font-size:13px;color:var(--soft);line-height:1.55;margin-top:4px}.search-layer{z-index:85;left:0;right:0;top:90px}.search-card{width:min(760px,calc(100% - 32px));margin:0 auto;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:0 0 14px 14px}.search-look{display:block;padding:20px;font-weight:700}.search-look input{display:block;width:100%;height:48px;border:1px solid var(--line);border-radius:10px;margin-top:10px;padding:0 14px;background:var(--deep);color:var(--muted)}.search-links{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:0 20px 20px}.search-links a{border:1px solid var(--line);border-radius:10px;padding:12px;color:var(--blue)}.layer-overlay{z-index:70;inset:0;background:rgba(10,22,40,.42)}body.layer-open{overflow:hidden}.mobile-bottom{display:none}
@media(max-width:900px){.grid.cols-4{grid-template-columns:repeat(2,1fr)}.grid.cols-3{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:2fr 1fr 1fr}.catalog-groups{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
@media(max-width:760px){body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.tabbar{display:none}.site-main{padding-top:90px}.masthead-inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px}.brand-logo{height:30px;max-width:120px}.catalog-button,.app-link{padding:0 12px}.hero,.section{padding:32px 0}.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}.image-slot.banner{min-height:130px}.image-slot.banner img{max-height:220px}.image-slot.column img{max-height:190px;width:auto}.image-slot.app-art img{max-height:340px;width:auto}.catalog-layer{top:90px}.catalog-panel{max-height:calc(100vh - 90px)}.catalog-groups{grid-template-columns:1fr}.search-layer{top:0;bottom:0;background:var(--deep);padding:16px}.search-card{width:100%;height:100%;border-radius:14px;overflow:auto}.search-links{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.mobile-bottom{position:fixed;z-index:60;left:0;right:0;bottom:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--line)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:50px;font-size:13px;font-weight:750}.mobile-bottom a.active{background:var(--blue);color:#fff}.site-footer{padding-bottom:96px}}