:root{--bg:#fff;--deep-bg:#f5f7fa;--content:#fff;--secondary:#eef1f6;--title:#0a1628;--text:#1e2a3a;--muted:#4a5568;--assist:#718096;--blue:#0033a0;--bright:#0052cc;--deep:#002066;--border:rgba(0,51,160,.14);--shadow:0 12px 36px rgba(0,33,102,.08);--max:1220px;--radius:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",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}.skip-link{position:fixed;left:12px;top:-60px;z-index:2000;background:#fff;color:var(--deep);padding:10px 14px;border:2px solid var(--blue);border-radius:8px}.skip-link:focus{top:10px}
.top-shell{position:fixed;inset:0 0 auto 0;z-index:1300;background:#fff}.blue-line{height:22px;background:var(--deep);color:#fff}.bar-inner,.mast-inner,.tab-inner,.footer-inner,.catalog-card,.search-card,.section-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto}.bar-inner{height:22px;display:flex;align-items:center;justify-content:space-between;font-size:12px;letter-spacing:.04em}.text-control{min-width:44px;height:22px;border:0;background:transparent;color:#fff;padding:0 4px}.masthead{height:68px;border-bottom:1px solid var(--border);background:#fff}.mast-inner{height:68px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-lockup{justify-self:start;min-height:44px;display:inline-flex;align-items:center;min-width:76px}.brand-logo,.panel-logo,.footer-logo{height:34px;width:auto;object-fit:contain}.brand-fallback{font-size:28px;font-weight:900;letter-spacing:-.04em;color:var(--deep)}.catalog-trigger{justify-self:center;min-width:88px;min-height:44px;border:1px solid var(--blue);border-radius:10px;background:#fff;color:var(--blue);font-weight:800}.app-link{justify-self:end;min-height:44px;display:inline-flex;align-items:center;padding:0 16px;border-radius:10px;color:#fff;background:linear-gradient(135deg,#0052cc 0%,#0033a0 50%,#002066 100%);font-weight:800}.tabbar{height:44px;background:var(--deep-bg);border-bottom:1px solid var(--border)}.tab-inner{height:44px;display:flex;align-items:center;gap:8px;overflow:hidden}.tab-link{height:32px;display:inline-flex;align-items:center;padding:0 12px;border-radius:8px;color:var(--muted);font-size:14px;white-space:nowrap}.tab-link:hover,.tab-link:focus-visible{color:var(--blue);outline:2px solid rgba(0,82,204,.25);outline-offset:1px}.tab-link.is-current{background:var(--blue);color:#fff}
.site-main{padding-top:134px;min-height:70vh}.page-hero,.home-cover,.content-section{padding:56px 0}.home-cover{padding-top:32px}.content-section.alt,.page-hero.alt{background:var(--deep-bg)}.eyebrow{display:inline-flex;align-items:center;min-height:30px;padding:0 9px;border-left:4px solid var(--bright);background:var(--secondary);color:var(--deep);font-size:13px;font-weight:800;letter-spacing:.06em}.page-hero h1,.home-copy h1{margin:12px 0 16px;color:var(--title);font-size:clamp(28px,4vw,32px);line-height:1.25;letter-spacing:-.02em}.page-hero p,.home-copy p{max-width:820px;margin:0;color:var(--muted);font-size:16px}.hero-actions,.link-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.primary-link,.secondary-link{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:10px;font-weight:800}.primary-link{color:#fff;background:linear-gradient(135deg,#0052cc 0%,#0033a0 50%,#002066 100%)}.secondary-link{background:#fff;color:var(--blue);border:1px solid var(--blue)}.primary-link:hover,.secondary-link:hover,.primary-link:focus-visible,.secondary-link:focus-visible{outline:3px solid rgba(0,82,204,.22);outline-offset:2px}.media-slot{width:100%;min-height:190px;background:linear-gradient(145deg,#eef4ff,#f7f9fc);border:1px solid var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.banner-slot{max-height:300px;aspect-ratio:16/7}.banner-slot img{max-height:300px}.section-media{height:220px}.wide-media{height:260px}.portrait-media{min-height:360px;max-height:420px}.portrait-media img{max-height:420px;width:auto}.app-icon-slot{width:72px;height:72px;min-height:72px;border-radius:16px}.home-copy{padding-top:24px}.home-copy .kicker{margin:0;color:var(--blue);font-weight:900}.home-copy h1{max-width:780px}.home-copy 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p{margin:0;max-width:620px;color:var(--muted)}.focus-layout,.split-layout,.app-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:26px;align-items:start}.number-list{counter-reset:item;display:grid;gap:12px}.number-item{display:grid;grid-template-columns:52px 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--border)}.number-item .num{font-size:26px;font-weight:900;color:var(--bright);line-height:1.2}.number-item h3{margin:0 0 4px;color:var(--title);font-size:18px}.number-item p{margin:0;color:var(--muted)}.card-grid{grid-template-columns:repeat(3,1fr)}.feature-card{border:1px solid var(--border);border-radius:var(--radius);background:#fff;overflow:hidden;box-shadow:var(--shadow)}.feature-card .media-slot{border:0;border-radius:0;height:200px;min-height:180px}.card-copy{padding:18px}.card-copy h3{margin:0 0 8px;color:var(--title)}.card-copy p{margin:0;color:var(--muted)}.directory-list{display:grid;gap:0;border-top:1px solid var(--border)}.directory-row{display:grid;grid-template-columns:68px 180px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--border)}.directory-row .code{font-weight:900;color:var(--bright)}.directory-row strong{color:var(--title)}.directory-row p{margin:0;color:var(--muted)}.theme-grid{grid-template-columns:repeat(3,1fr)}.theme-card,.shelf-card,.index-card,.service-card{border:1px solid var(--border);background:#fff;border-radius:12px;padding:20px}.theme-card h3,.shelf-card h3,.index-card h2,.index-card h3,.service-card h3{margin:0 0 8px;color:var(--title)}.theme-card p,.shelf-card p,.index-card p,.service-card p{margin:0;color:var(--muted)}.shelf-grid{grid-template-columns:repeat(4,1fr)}.shelf-card{min-height:180px;position:relative;padding-top:48px}.shelf-card:before{content:"17-C";position:absolute;top:14px;left:20px;color:var(--blue);font-weight:900;font-size:12px;letter-spacing:.12em}.rank-list{display:grid;gap:12px}.rank-row{display:grid;grid-template-columns:84px 1fr;gap:18px;align-items:start;padding:22px;border:1px solid var(--border);border-radius:12px;background:#fff}.rank-no{font-size:42px;font-weight:900;line-height:1;color:var(--bright);letter-spacing:-.05em}.rank-row h3{margin:0 0 6px;color:var(--title)}.rank-row p{margin:0;color:var(--muted)}.timeline{position:relative;padding-left:28px;display:grid;gap:18px}.timeline:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:rgba(0,82,204,.25)}.timeline-item{position:relative;padding:0 0 8px 18px}.timeline-item:before{content:"";position:absolute;left:-26px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px #eef4ff}.status{display:inline-flex;align-items:center;min-height:28px;padding:0 9px;border-radius:8px;background:var(--secondary);color:var(--deep);font-size:13px;font-weight:800}.timeline-item h3{margin:7px 0 4px;color:var(--title)}.timeline-item p{margin:0;color:var(--muted)}.note-strip{display:grid;grid-template-columns:160px 1fr;gap:20px;padding:22px 0;border-top:1px solid var(--border)}.note-strip:last-child{border-bottom:1px solid var(--border)}.note-strip strong{color:var(--title)}.note-strip p{margin:0;color:var(--muted)}.editor-note{border-left:4px solid var(--blue);padding:18px 20px;background:var(--deep-bg);border-radius:0 12px 12px 0;margin:24px 0}.editor-note strong{color:var(--deep)}.prose{max-width:880px}.prose h2{margin:34px 0 10px;color:var(--title);font-size:23px}.prose h3{margin:24px 0 8px;color:var(--title);font-size:19px}.prose p{margin:0 0 18px;color:var(--text)}.prose ul{padding-left:20px;color:var(--text)}.prose li{margin:7px 0}.index-grid{grid-template-columns:repeat(2,1fr)}.index-card{min-height:220px}.index-card .label{display:inline-block;margin-bottom:14px;color:var(--blue);font-weight:900}.qa-list{display:grid;gap:14px}.qa-item{border:1px solid var(--border);border-radius:12px;background:#fff;padding:20px}.qa-item h2{margin:0 0 10px;color:var(--title);font-size:19px}.qa-item p{margin:0;color:var(--text)}.notice{padding:18px 20px;background:var(--deep-bg);border:1px solid var(--border);border-radius:12px;color:var(--muted)}.app-layout{grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);align-items:center}.app-badge{display:flex;align-items:center;gap:14px;margin-bottom:18px}.app-badge strong{font-size:22px;color:var(--title)}.service-grid{grid-template-columns:repeat(2,1fr)}.service-card{min-height:170px}.step-list{counter-reset:steps;display:grid;gap:14px}.step-card{counter-increment:steps;display:grid;grid-template-columns:52px 1fr;gap:16px;padding:20px;border:1px solid var(--border);border-radius:12px;background:#fff}.step-card:before{content:counter(steps,decimal-leading-zero);font-size:28px;font-weight:900;color:var(--bright)}.step-card h2,.step-card h3{margin:0 0 6px;color:var(--title)}.step-card p{margin:0;color:var(--muted)}
.site-footer{background:#0a1628;color:#a0aec0;padding:48px 0 30px}.footer-brand{display:flex;align-items:center;gap:14px;margin-bottom:30px}.footer-logo-wrap{min-height:44px;display:flex;align-items:center}.footer-wordmark{font-size:28px;font-weight:900;color:#fff}.footer-brand div{display:grid}.footer-brand strong{color:#fff;font-size:20px}.footer-brand span{font-size:13px}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;padding:28px 0;border-top:1px solid rgba(255,255,255,.12);border-bottom:1px solid rgba(255,255,255,.12)}.footer-groups h2{font-size:14px;margin:0 0 10px;color:#fff}.footer-groups a{display:block;padding:4px 0;color:#cbd5e0}.footer-groups a:hover,.footer-groups a:focus-visible{color:#fff;text-decoration:underline}.footer-note{margin:24px 0 6px}.copyright{margin:0;font-size:13px;color:#718096}
.overlay{position:fixed;inset:0;background:rgba(10,22,40,.38);z-index:1200;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.catalog-panel,.search-layer{position:fixed;left:0;right:0;top:90px;z-index:1260;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-12px);transition:.22s}.catalog-card,.search-card{background:#fff;border:1px solid var(--border);border-top:0;box-shadow:0 18px 42px rgba(0,33,102,.16);max-height:calc(100dvh - 106px);overflow:auto}.catalog-card{padding:22px}.search-card{padding:24px;max-width:760px}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.panel-brand{display:flex;align-items:center;gap:12px}.panel-brand strong{font-size:22px;color:var(--title)}.close-control{min-width:64px;min-height:44px;border:1px solid var(--blue);border-radius:10px;background:#fff;color:var(--blue);font-weight:800}.catalog-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.catalog-group h2{font-size:14px;color:var(--assist);margin:0 0 10px}.catalog-group a{display:block;padding:12px;border-top:1px solid var(--border)}.catalog-group a:last-child{border-bottom:1px solid var(--border)}.catalog-group strong{display:block;color:var(--title);margin-bottom:3px}.catalog-group span{display:block;color:var(--muted);font-size:13px;line-height:1.55}.search-label{display:block;color:var(--muted);margin-bottom:10px}.search-input{width:100%;height:50px;border:1px solid rgba(0,51,160,.28);border-radius:10px;padding:0 14px;color:var(--title);background:#fff;outline:none}.search-input:focus{border-color:var(--bright);box-shadow:0 0 0 3px rgba(0,82,204,.12)}.preset-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.preset-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--border);border-radius:9px;color:var(--blue);background:var(--deep-bg)}.catalog-open .catalog-panel,.search-open .search-layer{visibility:visible;pointer-events:auto;opacity:1;transform:none}.catalog-open .overlay,.search-open .overlay{visibility:visible;pointer-events:auto;opacity:1}.ui-locked{overflow:hidden}.mobile-bottom{display:none}
@media(max-width:980px){.chip-grid{grid-template-columns:repeat(3,1fr)}.shelf-grid{grid-template-columns:repeat(2,1fr)}.catalog-grid{grid-template-columns:repeat(2,1fr)}.focus-layout,.split-layout{grid-template-columns:1fr}.app-layout{grid-template-columns:minmax(220px,.65fr) 1fr}.card-grid,.theme-grid{grid-template-columns:repeat(2,1fr)}.directory-row{grid-template-columns:58px 150px 1fr}}
@media(max-width:720px){.search-open .top-shell{z-index:1240}body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.site-main{padding-top:90px}.tabbar{display:none}.bar-inner,.mast-inner,.footer-inner,.catalog-card,.search-card,.section-inner{width:min(100% - 32px,var(--max))}.mast-inner{grid-template-columns:1fr auto 1fr;gap:8px}.brand-lockup{min-width:0}.brand-logo{max-width:104px;height:30px}.brand-fallback{font-size:24px}.catalog-trigger{min-width:72px;padding:0 12px}.app-link{padding:0 11px;font-size:14px}.page-hero,.content-section{padding:38px 0}.home-cover{padding-top:20px}.banner-slot{aspect-ratio:16/9;max-height:300px}.section-head{display:block}.section-head p{margin-top:8px}.chip-grid,.card-grid,.theme-grid,.index-grid,.service-grid,.catalog-grid{grid-template-columns:1fr}.shelf-grid{grid-template-columns:1fr 1fr}.directory-row{grid-template-columns:46px 1fr;gap:10px}.directory-row p{grid-column:2}.rank-row{grid-template-columns:58px 1fr;padding:18px}.rank-no{font-size:34px}.note-strip{grid-template-columns:1fr;gap:6px}.app-layout{grid-template-columns:1fr}.portrait-media{min-height:280px;max-height:380px}.footer-groups{grid-template-columns:repeat(2,1fr)}.catalog-panel{top:90px}.catalog-card{width:100%;max-height:calc(100dvh - 90px);border-radius:0}.search-layer{inset:0;top:0;background:var(--deep-bg);transform:none}.search-card{width:100%;height:100dvh;max-height:none;border:0;border-radius:0;box-shadow:none;padding-top:max(24px,env(safe-area-inset-top))}.mobile-bottom{position:fixed;z-index:1150;left:0;right:0;bottom: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)}.mobile-bottom a{min-height:50px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;font-weight:800}.mobile-bottom a.is-current{background:var(--blue);color:#fff}.catalog-open .mobile-bottom,.search-open .mobile-bottom{z-index:1100}.panel-head{position:sticky;top:0;background:#fff;padding-top:2px;z-index:2}}
@media(max-width:430px){.shelf-grid{grid-template-columns:1fr}.footer-groups{grid-template-columns:1fr 1fr;gap:20px 14px}.chip-card{min-height:0}.mast-inner{width:calc(100% - 24px)}.catalog-trigger{min-width:66px}.app-link{padding:0 8px}.rank-row{grid-template-columns:48px 1fr}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}