:root{--bg:#0B0E14;--bg-deep:#080A0F;--panel:#12151C;--panel-2:#1A1E27;--hover:#232833;--text:#E2E6ED;--title:#FFFFFF;--muted:#A8B0C0;--soft:#6B7385;--silver:#C8D0DC;--border:rgba(255,255,255,.10);--focus:rgba(120,160,220,.40);--max:1280px;--nav:74px;--radius:14px;--shadow:0 16px 48px rgba(0,0,0,.65)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.72;overflow-x:hidden}body.panel-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}.skip-link{position:fixed;left:16px;top:-100px;z-index:120;background:#fff;color:#0B0E14;padding:10px 14px;border-radius:10px}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:70;height:var(--nav);background:rgba(8,10,15,.92);backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}.nav-shell{height:100%;max-width:var(--max);margin:auto;padding:0 22px;display:flex;align-items:center;gap:22px}.brand{display:inline-flex;align-items:center;min-width:100px;height:44px}.brand-logo{display:block;max-width:150px;max-height:42px;width:auto;height:auto;object-fit:contain}.brand-text{font-size:23px;font-weight:800;letter-spacing:.02em;color:#fff}.desktop-nav{display:flex;align-items:center;gap:4px;white-space:nowrap}.desktop-nav a,.nav-link-button{display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 13px;border-radius:999px;border:0;background:transparent;color:var(--muted);cursor:pointer}.desktop-nav a:hover,.nav-link-button:hover,.desktop-nav a.is-current{color:#fff;background:rgba(255,255,255,.07)}.desktop-nav a.is-current{box-shadow:inset 0 -2px 0 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22px;display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}.quick-strip a{flex:0 0 auto;padding:9px 14px;border:1px solid var(--border);border-radius:999px;color:var(--silver);background:var(--panel)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}.section-head h2{font-size:clamp(28px,4vw,48px);line-height:1.1;margin:0;color:#fff}.section-head p{max-width:560px;margin:0;color:var(--muted)}.grid-2,.grid-3,.grid-4{display:grid;gap:18px}.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))}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:24px;position:relative;overflow:hidden}.card:hover{background:var(--panel-2)}.card h3{font-size:21px;line-height:1.25;color:#fff;margin:5px 0 12px}.card p{margin:0;color:var(--muted)}.card .meta{font-size:13px;color:var(--silver);letter-spacing:.08em}.card .link{display:inline-block;margin-top:16px;color:#fff;border-bottom:1px solid rgba(255,255,255,.3)}.image-card{padding:0;min-height:280px}.image-card img{width:100%;height:100%;object-fit:cover}.image-card .fallback{min-height:280px;display:grid;place-items:center;background:radial-gradient(circle at 20% 20%,rgba(120,160,220,.16),transparent 38%),linear-gradient(135deg,#171b25,#0b0e14);color:var(--muted)}.feature-split{display:grid;grid-template-columns:1.3fr 1fr;gap:24px}.feature-copy{padding:30px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius)}.feature-copy h3{font-size:32px;line-height:1.2;margin:0 0 14px;color:#fff}.number-list{display:grid;gap:0;border-top:1px solid var(--border)}.number-item{display:grid;grid-template-columns:90px 1fr auto;gap:24px;align-items:start;padding:25px 0;border-bottom:1px solid var(--border)}.number{font-size:38px;font-weight:800;color:var(--soft)}.number-item h3{margin:3px 0 8px;color:#fff}.number-item p{margin:0;color:var(--muted)}.pill-cloud{display:flex;gap:10px;flex-wrap:wrap}.pill{display:inline-flex;flex-direction:column;gap:4px;padding:12px 16px;border-radius:999px;background:var(--panel);border:1px solid var(--border);max-width:260px}.pill strong{color:#fff}.pill span{font-size:13px;color:var(--muted)}.track{display:flex;gap:16px;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x proximity}.track>.card{min-width:300px;scroll-snap-align:start}.timeline{position:relative;padding-left:30px}.timeline:before{content:"";position:absolute;left:8px;top:10px;bottom:10px;width:1px;background:var(--border)}.timeline-item{position:relative;padding:0 0 28px 28px}.timeline-item:before{content:"";position:absolute;left:-27px;top:7px;width:11px;height:11px;border-radius:50%;background:var(--silver);box-shadow:0 0 0 5px rgba(200,208,220,.08)}.timeline-item 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var(--focus);background:rgba(120,160,220,.06);border-radius:12px;color:var(--silver)}.site-footer{background:#06080C;border-top:1px solid var(--border);padding:60px 22px calc(36px + env(safe-area-inset-bottom))}.footer-grid{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:28px}.footer-grid h2{font-size:14px;color:#fff;margin:0 0 13px}.footer-grid a{display:block;color:var(--muted);padding:4px 0}.footer-brand strong{display:block;margin:10px 0 6px;color:#fff}.footer-brand p{color:var(--muted);max-width:380px}.footer-note,.footer-bottom{max-width:var(--max);margin:30px auto 0;padding-top:22px;border-top:1px solid var(--border);color:var(--soft);font-size:13px}.footer-bottom{display:flex;gap:18px;flex-wrap:wrap}.footer-bottom span{margin-right:auto}.overlay{position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.62);opacity:0;transition:opacity .18s 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#fff;outline-offset:3px}.editorial-columns{columns:2 360px;column-gap:36px}.editorial-columns p{break-inside:avoid;margin-top:0;color:var(--muted)}.app-showcase{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:center}.phone-frame{min-height:520px;border:1px solid var(--border);border-radius:34px;background:var(--panel);padding:16px;display:grid;place-items:center;box-shadow:var(--shadow)}.phone-frame img{max-width:100%;max-height:640px;object-fit:contain}.category-index{display:grid;grid-template-columns:220px 1fr;gap:28px}.category-index nav{position:sticky;top:100px;align-self:start}.category-index nav a{display:block;padding:9px 0;color:var(--muted)}.article-stack article{padding:28px 0;border-top:1px solid var(--border)}.article-stack h2{margin:0 0 10px;color:#fff}.article-stack p{margin:0;color:var(--muted)}
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@media(max-width:700px){:root{--nav:64px}.nav-shell{padding:0 15px;gap:8px}.nav-shell .brand{min-width:0;justify-content:center;flex:1}.brand-logo{max-width:120px;max-height:36px}.nav-actions{margin-left:0}.app-button{padding:0 14px}.hero-grid{padding:34px 15px 24px;gap:22px}.hero-media{min-height:260px}.hero-copy h1,.page-hero h1{font-size:39px}.page-hero,.section{padding:52px 15px}.quick-strip{padding-left:15px;padding-right:15px}.section-head{align-items:start;flex-direction:column}.grid-2,.grid-3,.grid-4,.feature-split,.app-showcase,.category-index{grid-template-columns:1fr}.poster-grid{grid-template-columns:repeat(2,1fr)}.magazine-grid{grid-template-columns:1fr}.number-item{grid-template-columns:55px 1fr}.number-item>a{grid-column:2}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.site-footer{padding-bottom:calc(92px + env(safe-area-inset-bottom))}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(6,8,12,.97);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{min-height:54px;display:grid;place-items:center;color:var(--soft);font-size:13px}.mobile-bottom-nav a.is-current{color:#fff}.search-panel{top:0;bottom:0;overflow-y:auto}.search-inner{padding-top:22px}.editorial-columns{columns:1}.category-index nav{position:static;display:flex;overflow:auto;gap:16px}.category-index nav a{flex:0 0 auto}.track>.card{min-width:82vw}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}