:root{
  --bg:#FFFFFF;--deep-bg:#F5F7FA;--content:#FFFFFF;--soft:#EEF1F6;--title:#0A1628;--text:#1E2A3A;--sub:#4A5568;--muted:#718096;--brand:#0033A0;--bright:#0052CC;--deep:#002066;--border:rgba(0,51,160,.14);--shadow:0 12px 36px rgba(0,33,102,.08);--radius:14px;--shell:1220px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.shell{width:min(calc(100% - 32px),var(--shell));margin:0 auto}.site-header{position:fixed;z-index:90;top:0;left:0;right:0;background:#fff}.imprint-line{height:20px;background:var(--deep);color:#fff}.imprint-inner{height:20px;display:flex;align-items:center;justify-content:space-between;font-size:12px;letter-spacing:.04em}.imprint-brand{font-weight:700}.text-button{border:0;background:transparent;color:#fff;padding:0 4px;height:20px}.counter-bar{height:62px;background:#fff;border-bottom:1px solid var(--border)}.counter-inner{height:62px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-lockup{justify-self:start;display:inline-flex;align-items:center;min-height:44px}.brand-logo,.drawer-logo,.footer-logo{display:block;object-fit:contain;object-position:left center}.brand-logo{height:34px;max-width:150px}.brand-fallback{font-size:25px;font-weight:900;color:var(--deep);letter-spacing:-.04em}.drawer-trigger{justify-self:center;min-height:44px;border:1px solid var(--border);background:#fff;color:var(--deep);padding:0 14px;border-radius:10px;display:inline-flex;align-items:center;gap:8px;font-weight:750}.drawer-mark{font-size:18px}.app-link{justify-self:end;display:inline-flex;align-items:center;min-height:44px;padding:0 15px;border-radius:10px;background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%);color:#fff;font-weight:800}.tab-strip{height:42px;background:var(--deep-bg);border-bottom:1px solid var(--border)}.tab-strip-inner{height:42px;display:flex;align-items:center;gap:8px}.tab-link{display:inline-flex;align-items:center;height:28px;padding:0 10px;color:var(--sub);font-weight:700;border-radius:7px}.tab-link:hover,.tab-link:focus-visible{color:var(--brand);background:#fff;outline:2px solid transparent}.tab-link.is-active{background:var(--brand);color:#fff}.site-main{padding-top:124px;min-height:70vh}.hero,.page-hero{padding:34px 0 24px}.hero-media,.content-media{background:var(--deep-bg);border:1px solid var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden}.hero-media{min-height:180px;max-height:300px;aspect-ratio:16/6}.hero-media img{width:100%;height:100%;max-height:300px;object-fit:contain;object-position:center}.hero-fallback{width:100%;height:100%;min-height:220px;display:grid;place-items:center;color:var(--deep);font-size:clamp(30px,6vw,64px);font-weight:900;letter-spacing:-.05em}.hero-copy{max-width:850px;padding:26px 0 8px}.eyebrow{display:block;color:var(--brand);font-size:13px;font-weight:850;letter-spacing:.12em;margin-bottom:4px}h1,h2,h3{color:var(--title);line-height:1.25;margin-top:0}h1{font-size:clamp(28px,4vw,32px);margin-bottom:14px;letter-spacing:-.02em}h2{font-size:23px;margin-bottom:12px}h3{font-size:18px;margin-bottom:8px}p{margin:0 0 14px}.lead{font-size:17px;color:var(--sub);max-width:820px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 16px;border-radius:10px;font-weight:800}.btn-primary{background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%);color:#fff}.btn-secondary{background:#fff;color:var(--brand);border:1px solid var(--brand)}.btn:hover,.btn:focus-visible,.card-link:hover,.card-link:focus-visible,.list-link:hover,.list-link:focus-visible{transform:translateY(-1px);outline:2px solid rgba(0,82,204,.25);outline-offset:2px}.section{padding:34px 0}.section.soft{background:var(--deep-bg)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-head p{color:var(--sub);max-width:700px;margin:0}.grid-2,.grid-3,.grid-4,.grid-6{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-6{grid-template-columns:repeat(3,minmax(0,1fr))}.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.card.no-shadow{box-shadow:none}.card p{color:var(--sub)}.card-link{display:inline-flex;align-items:center;min-height:44px;color:var(--brand);font-weight:800;transition:.2s ease}.chip{display:inline-flex;align-items:center;min-height:28px;padding:2px 9px;border-radius:7px;background:var(--bright);color:#fff;font-size:13px;font-weight:850;margin-bottom:12px}.chip.deep{background:var(--deep)}.media-card{overflow:hidden;padding:0}.media-card .content-media{border:0;border-bottom:1px solid var(--border);border-radius:0;min-height:180px;height:210px;box-shadow:none}.media-card .content-media img,.feature-media img,.content-media img{width:100%;height:100%;object-fit:contain;object-position:center}.media-card-body{padding:20px}.feature{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:24px;align-items:stretch}.feature-media{min-height:280px;background:var(--deep-bg);border:1px solid var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden}.feature-copy{padding:12px 0}.number-list{display:grid;gap:10px;margin-top:18px}.number-item{display:grid;grid-template-columns:54px 1fr;gap:12px;align-items:start;border-top:1px solid var(--border);padding-top:12px}.number{font-size:27px;font-weight:900;color:var(--brand);line-height:1}.number-item p{margin:0;color:var(--sub)}.rack-list,.plain-list{display:grid;gap:12px}.rack-row,.plain-row{display:grid;grid-template-columns:110px 1fr auto;gap:18px;align-items:center;padding:16px 18px;background:#fff;border:1px solid var(--border);border-radius:12px}.rack-row strong,.plain-row strong{color:var(--title)}.rack-row p,.plain-row p{margin:0;color:var(--sub)}.list-link{display:inline-flex;align-items:center;min-height:44px;color:var(--brand);font-weight:800}.rank-list{display:grid;gap:14px}.rank-row{display:grid;grid-template-columns:74px 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var(--border);border-radius:14px;padding:22px}.article-block p:last-child{margin-bottom:0}.quote-box{border-left:4px solid var(--brand);background:var(--deep-bg);padding:20px 22px;border-radius:0 12px 12px 0}.quote-box .label{display:block;color:var(--brand);font-size:13px;font-weight:900;margin-bottom:8px}.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.topic-tile{min-height:150px;padding:18px;border:1px solid var(--border);border-radius:14px;background:#fff;display:flex;flex-direction:column}.topic-tile .card-link{margin-top:auto}.app-layout{display:grid;grid-template-columns:minmax(260px,.7fr) minmax(0,1.3fr);gap:34px;align-items:center}.app-visual{min-height:360px;max-height:420px;display:flex;align-items:center;justify-content:center;background:var(--deep-bg);border:1px solid var(--border);border-radius:16px;overflow:hidden}.app-visual img{width:100%;height:100%;max-height:420px;object-fit:contain}.app-icon-row{display:flex;align-items:center;gap:14px;margin-bottom:18px}.app-icon-row img{width:64px;height:64px;object-fit:contain;border-radius:14px;border:1px solid var(--border);background:#fff}.notice{padding:16px 18px;background:var(--deep-bg);border:1px solid var(--border);border-radius:12px;color:var(--sub)}.faq{display:grid;gap:12px}.faq article{padding:20px;border:1px solid var(--border);border-radius:12px;background:#fff}.faq h2{font-size:18px;margin-bottom:8px}.faq p{margin:0;color:var(--sub)}.mini-links{display:flex;flex-wrap:wrap;gap:10px}.mini-links a{display:inline-flex;align-items:center;min-height:44px;padding:0 13px;border:1px solid var(--border);border-radius:9px;color:var(--brand);font-weight:750;background:#fff}.site-footer{background:var(--title);color:#A0AEC0;padding:42px 0 calc(26px + env(safe-area-inset-bottom))}.footer-grid{display:grid;grid-template-columns:1.5fr 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ease;overflow:auto}.drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;background:#fff;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border)}.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--title)}.drawer-logo{height:30px;max-width:120px}.icon-button{width:44px;height:44px;border:1px solid var(--border);background:#fff;border-radius:10px;color:var(--deep);font-size:26px;line-height:1}.drawer-groups{padding:14px;display:grid;gap:12px}.drawer-groups section{border:1px solid var(--border);border-radius:14px;padding:12px;background:var(--deep-bg)}.drawer-groups h2{font-size:14px;color:var(--brand);margin:0 0 8px}.drawer-groups a{display:block;background:#fff;border:1px solid var(--border);border-radius:10px;padding:10px;margin-top:8px}.drawer-groups strong{display:block;color:var(--title);font-size:15px}.drawer-groups 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input{border:0;outline:0;width:100%;color:var(--text);background:transparent}.search-presets{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.search-presets a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;background:var(--deep-bg);border:1px solid var(--border);border-radius:9px;color:var(--deep);font-weight:750}.overlay{position:fixed;z-index:110;inset:0;background:rgba(10,22,40,.38);opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.mobile-bottom{display:none}.page-hero .shell{display:grid;gap:18px}.page-hero .content-media{min-height:190px;max-height:260px}.page-hero .content-media img{max-height:260px}.breadcrumbs{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:14px}.breadcrumbs a{color:var(--brand)}.prose{max-width:900px}.prose p{color:var(--text)}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.42fr);gap:24px;align-items:start}.side-card{position:sticky;top:144px}.step-list{counter-reset:steps;display:grid;gap:14px}.step{counter-increment:steps;padding:18px 18px 18px 68px;border:1px solid var(--border);border-radius:14px;background:#fff;position:relative}.step:before{content:counter(steps,decimal-leading-zero);position:absolute;left:18px;top:18px;color:var(--brand);font-weight:950;font-size:23px}.legal-list{display:grid;gap:16px}.legal-list section{padding:20px;border:1px solid var(--border);border-radius:14px;background:#fff}.legal-list h2{font-size:19px}.legal-list p{color:var(--sub)}
@media (max-width:900px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3,.grid-6,.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.feature,.app-layout,.split{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-brand{grid-column:1/-1}.side-card{position:static}.rack-row,.plain-row{grid-template-columns:90px 1fr}.rack-row .list-link,.plain-row .list-link{grid-column:2}}
@media (max-width:680px){.shell{width:min(calc(100% - 32px),var(--shell))}.tab-strip{display:none}.site-main{padding-top:82px;padding-bottom:62px}.counter-inner{grid-template-columns:1fr auto 1fr;gap:8px}.brand-logo{height:30px;max-width:112px}.brand-fallback{font-size:22px}.drawer-trigger{padding:0 10px;min-width:44px}.drawer-trigger span:last-child{display:none}.app-link{padding:0 10px;font-size:14px}.hero,.page-hero{padding-top:22px}.hero-media{aspect-ratio:3/2;min-height:160px}.hero-fallback{min-height:180px}.grid-2,.grid-3,.grid-4,.grid-6,.topic-grid{grid-template-columns:1fr}.media-card .content-media{height:200px}.feature-media{min-height:220px}.section{padding:26px 0}.section-head{display:block}.section-head p{margin-top:8px}.rank-row{grid-template-columns:60px 1fr}.rank-no{font-size:34px}.rack-row,.plain-row{grid-template-columns:1fr;gap:8px}.rack-row .list-link,.plain-row .list-link{grid-column:1}.app-visual{min-height:300px}.footer-grid{grid-template-columns:1fr 1fr;gap:22px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.search-layer{top:82px}.search-card{width:calc(100% - 20px);background:var(--deep-bg);border-radius:0 0 14px 14px;padding:16px}.mobile-bottom{position:fixed;z-index:80;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(--border)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:50px;color:var(--sub);font-size:13px;font-weight:800}.mobile-bottom a.is-active{background:var(--brand);color:#fff}.site-footer{padding-bottom:calc(78px + env(safe-area-inset-bottom))}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}