:root{--bg:#fff;--deep:#f5f7fa;--panel:#fff;--muted:#eef1f6;--title:#0a1628;--text:#1e2a3a;--sub:#4a5568;--aux:#718096;--blue:#0033a0;--bright:#0052cc;--navy:#002066;--border:rgba(0,51,160,.14);--shadow:0 12px 36px rgba(0,33,102,.08);--header-desktop:134px;--header-mobile:90px}*{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","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input{font:inherit}button{cursor:pointer}.shell{width:min(1220px,calc(100% - 32px));margin:0 auto}.site-header{position:fixed;inset:0 0 auto 0;z-index:120;background:#fff}.brand-line{height:22px;background:var(--navy);color:#fff;font-size:12px}.brand-line-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.text-button{min-width:44px;height:22px;padding:0 8px;border:0;background:transparent;color:#fff}.masthead{height:68px;background:#fff;border-bottom:1px solid var(--border)}.masthead-inner{height:68px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brandmark{justify-self:start;display:inline-flex;align-items:center;min-height:44px;color:var(--navy);font-size:24px;font-weight:800}.brandmark img{height:34px;width:auto;max-width:180px;object-fit:contain}.catalog-button{justify-self:center;min-height:44px;padding:0 24px;border:1px solid var(--blue);border-radius:10px;background:#fff;color:var(--blue);font-weight:700}.app-link{justify-self:end;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:10px;background:linear-gradient(135deg,#0052cc 0%,#0033a0 50%,#002066 100%);color:#fff;font-weight:700}.tabbar{height:44px;background:var(--deep);border-bottom:1px solid var(--border)}.tabbar-inner{height:44px;display:flex;align-items:center;gap:6px}.tabbar a{display:flex;align-items:center;min-height:34px;padding:0 13px;border-radius:8px;color:var(--title);font-size:14px}.tabbar a.is-current{background:var(--blue);color:#fff}.site-main{padding-top:calc(var(--header-desktop) + 24px)}h1,h2,h3{color:var(--title);line-height:1.3;margin-top:0}h1{font-size:clamp(28px,3vw,32px);margin-bottom:14px}h2{font-size:22px;margin-bottom:14px}h3{font-size:18px;margin-bottom:8px}p{margin:0 0 14px}.eyebrow{margin-bottom:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}.lead{font-size:17px;color:var(--sub);max-width:840px}.page-head{padding:34px 0 24px}.page-head .lead{margin-bottom:0}.section{padding:34px 0}.section.alt{background:var(--deep)}.section-heading{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:18px}.section-heading p{color:var(--sub);max-width:620px}.card{background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow)}.content-card{padding:22px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.grid-6{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.button-primary,.button-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:10px;font-weight:700}.button-primary{background:linear-gradient(135deg,#0052cc,#0033a0 50%,#002066);color:#fff}.button-secondary{background:#fff;color:var(--blue);border:1px solid var(--blue)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(0,82,204,.28);outline-offset:3px}.hero{padding:18px 0 38px}.hero-media,.media-slot{background:var(--muted);border:1px solid var(--border);border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:visible}.hero-media{width:100%;min-height:220px;max-height:300px;margin-bottom:22px}.hero-media img{width:100%;height:auto;max-height:300px;object-fit:contain;object-position:center;border-radius:13px}.hero-content{max-width:850px}.feature-tags{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.feature-tag{padding:18px;border:1px solid var(--border);border-radius:12px;background:#fff}.feature-tag:nth-child(odd){border-top:4px solid var(--bright)}.feature-tag:nth-child(even){border-top:4px solid var(--navy)}.feature-tag p{color:var(--sub);font-size:14px}.feature-tag a{color:var(--blue);font-weight:700}.focus-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);gap:24px;align-items:start}.focus-media{min-height:220px;max-height:280px}.focus-media img{width:100%;height:auto;max-height:280px;object-fit:contain}.number-list{display:grid;gap:8px;margin-top:18px}.number-list a,.number-item{display:grid;grid-template-columns:54px 1fr;gap:12px;padding:12px 0;border-top:1px solid var(--border)}.number-list strong,.big-number{font-size:26px;color:var(--blue);line-height:1}.gallery-card{padding:16px}.gallery-card .media-slot{height:210px;margin-bottom:14px}.gallery-card .media-slot img{width:100%;height:auto;max-height:210px;object-fit:contain}.series-layout,.app-layout{display:grid;grid-template-columns:minmax(280px,.8fr) minmax(0,1.2fr);gap:24px;align-items:center}.series-layout .media-slot{min-height:220px}.series-layout img{width:100%;height:auto;max-height:240px;object-fit:contain}.theme-grid .content-card{min-height:170px}.shelf-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.shelf-cell{padding:18px;border-left:4px solid var(--blue);background:#fff;border-radius:10px;box-shadow:var(--shadow)}.timeline{position:relative;margin-left:8px;padding-left:28px}.timeline:before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:rgba(0,51,160,.25)}.timeline-item{position:relative;padding:0 0 24px}.timeline-item:before{content:"";position:absolute;left:-28px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px #eef1f6}.status{display:inline-block;margin-bottom:7px;padding:3px 8px;border-radius:6px;background:var(--blue);color:#fff;font-size:12px;font-weight:700}.app-layout .app-visual{display:flex;align-items:center;justify-content:center;min-height:300px;background:var(--deep);border-radius:14px;border:1px solid var(--border)}.app-layout .app-visual img.app-main{width:auto;height:auto;max-height:420px;max-width:100%;object-fit:contain}.app-icon{width:64px!important;height:64px!important;object-fit:contain;margin-bottom:14px}.policy-list{display:grid;gap:16px}.policy-item{padding:22px;border:1px solid var(--border);border-radius:14px;background:#fff}.policy-item p:last-child{margin-bottom:0}.note{padding:16px 18px;background:var(--deep);border-left:4px solid var(--blue);border-radius:8px;color:var(--sub)}.faq-list{display:grid;gap:14px}.faq-item{padding:20px;border:1px solid var(--border);border-radius:14px;background:#fff}.faq-item h2{font-size:18px}.footer-brand{padding-top:34px}.site-footer{margin-top:44px;padding-bottom:32px;background:#0a1628;color:#a0aec0}.footer-brandmark{display:flex;gap:14px;align-items:center}.footer-brandmark img{height:32px;width:auto;object-fit:contain}.footer-brandmark strong{display:block;color:#fff;font-size:20px}.footer-brandmark span{font-size:13px}.footer-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding:28px 0}.footer-groups section{display:flex;flex-direction:column;gap:6px}.footer-groups h2{color:#fff;font-size:16px;margin-bottom:4px}.footer-groups a:hover{color:#fff}.footer-note{padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:14px}.site-overlay{position:fixed;inset:0;background:rgba(10,22,40,.48);z-index:180;visibility:hidden;pointer-events:none;opacity:0;transition:opacity .2s ease}.site-overlay.is-open{visibility:visible;pointer-events:auto;opacity:1}.catalog-panel,.search-panel{position:fixed;left:0;right:0;top:90px;z-index:200;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-10px);transition:opacity .2s ease,transform .2s ease}.catalog-panel.is-open,.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:none}.catalog-shell,.search-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}.catalog-shell{max-height:calc(100vh - 110px);overflow:auto;padding:18px 20px 24px}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:14px;border-bottom:1px solid var(--border)}.panel-heading p{margin:4px 0 0;color:var(--sub)}.panel-brand{display:flex;align-items:center;gap:12px}.panel-brand img{height:30px;width:auto;object-fit:contain}.close-button{min-width:44px;min-height:44px;padding:0 14px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--navy)}.catalog-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;padding-top:18px}.catalog-grid h2{font-size:15px;color:var(--blue)}.catalog-grid a{display:block;padding:10px 0;border-top:1px solid var(--border)}.catalog-grid strong{display:block}.catalog-grid span{display:block;color:var(--sub);font-size:13px;line-height:1.55;margin-top:3px}.search-card{width:min(760px,calc(100% - 32px));margin:0 auto;padding:20px;border-radius:0 0 14px 14px}.search-look{display:block;margin:18px 0}.search-look span{display:block;margin-bottom:8px;font-weight:700}.search-look input{width:100%;min-height:48px;border:1px solid var(--border);border-radius:10px;padding:0 14px;color:var(--text);background:#fff}.preset-links{display:flex;flex-wrap:wrap;gap:10px}.preset-links a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border:1px solid var(--blue);border-radius:10px;color:var(--blue)}.modal-open{overflow:hidden}.mobile-bottom{display:none}.wide-media{min-height:220px;max-height:300px;margin:18px 0}.wide-media img{width:100%;height:auto;max-height:300px;object-fit:contain}.article-prose{max-width:900px}.article-prose h2{margin-top:28px}.article-prose p{margin-bottom:16px}.index-section-link{color:var(--blue);font-weight:700}.compact-list{display:grid;gap:10px}.compact-list li{padding-left:4px}.quote-note{font-size:14px;color:var(--sub)}
@media (max-width:900px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3,.grid-6{grid-template-columns:repeat(2,minmax(0,1fr))}.focus-layout,.series-layout,.app-layout{grid-template-columns:1fr}.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.shelf-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-media{min-height:180px;max-height:260px}.hero-media img{max-height:260px}.gallery-card .media-slot{height:190px}.gallery-card .media-slot img{max-height:190px}}
@media (max-width:760px){:root{--header-mobile:90px}.tabbar{display:none}.site-main{padding-top:calc(var(--header-mobile) + 18px);padding-bottom:calc(50px + env(safe-area-inset-bottom) + 18px)}.masthead-inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px}.brandmark img{height:30px;max-width:120px}.catalog-button{padding:0 14px}.app-link{padding:0 12px;font-size:14px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:150;display:grid;grid-template-columns:repeat(5,1fr);min-height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border);box-shadow:0 -8px 24px rgba(0,33,102,.08)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:50px;font-size:13px}.mobile-bottom a.is-current{background:var(--blue);color:#fff}.catalog-panel,.search-panel{top:90px}.catalog-shell{width:100%;max-height:calc(100vh - 90px);border-left:0;border-right:0}.search-panel{top:0;bottom:0;background:var(--deep);padding-top:18px}.search-card{width:calc(100% - 24px);margin:0 auto;border-radius:14px}.hero{padding-top:8px}.hero-media{min-height:130px;max-height:220px}.hero-media img{max-height:220px}.feature-tags,.grid-2,.grid-3,.grid-4,.grid-6{grid-template-columns:1fr}.focus-media{min-height:140px;max-height:200px}.focus-media img{max-height:200px}.gallery-card .media-slot{height:170px}.gallery-card .media-slot img{max-height:170px}.series-layout .media-slot{min-height:160px}.series-layout img{max-height:190px}.app-layout .app-visual{min-height:230px}.app-layout .app-visual img.app-main{max-height:340px}.app-icon{width:56px!important;height:56px!important}.shelf-grid{grid-template-columns:1fr}.catalog-grid{grid-template-columns:1fr}.footer-groups{grid-template-columns:repeat(2,minmax(0,1fr))}.section{padding:26px 0}.page-head{padding:26px 0 18px}.wide-media{min-height:150px;max-height:220px}.wide-media img{max-height:220px}}
@media (max-width:420px){.shell{width:calc(100% - 32px)}.brandmark{font-size:20px}.catalog-button{padding:0 11px}.app-link{padding:0 10px}.footer-groups{grid-template-columns:1fr}.hero-media{min-height:130px}.gallery-card .media-slot{height:150px}.gallery-card .media-slot img{max-height:150px}}