:root{--bg:#000;--deep:#050505;--card:#0b0b0b;--card2:#121212;--hover:#1a1a1a;--text:#ddd;--muted:#a5a5a5;--soft:#727272;--white:#fff;--silver:#c7c7c7;--border:rgba(255,255,255,.12);--border-strong:rgba(255,255,255,.40);--max:1280px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.wrap{width:min(var(--max),calc(100% - 32px));margin:auto}.brand-strip{height:20px;background:#000;color:#a5a5a5;font-size:12px;position:fixed;top:0;left:0;right:0;z-index:50}.strip-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-button,.nav-button,.close-button{border:0;background:transparent;color:inherit;cursor:pointer}.site-header{position:fixed;top:20px;left:0;right:0;height:64px;background:#121212;border-bottom:1px solid var(--border);z-index:50}.nav-row{height:64px;display:flex;align-items:center;gap:28px}.brand{font-size:24px;font-weight:800;min-width:120px}.brand-logo{height:36px;max-width:150px;object-fit:contain;display:block}.primary-nav{display:flex;gap:4px;flex:1}.primary-nav a,.quick-nav a{padding:8px 11px;border-radius:4px;color:#c7c7c7;white-space:nowrap}.primary-nav a:hover,.primary-nav a.is-active,.quick-nav a:hover,.quick-nav a.is-active{background:#fff;color:#000}.nav-actions{display:flex;gap:8px}.nav-button{min-height:44px;padding:0 14px;border:1px solid var(--border-strong);border-radius:6px}.nav-button.solid{background:#fff;color:#000;display:flex;align-items:center}.quick-nav{position:fixed;top:84px;left:0;right:0;height:42px;background:#0b0b0b;border-bottom:1px solid var(--border);z-index:49}.quick-inner{height:42px;display:flex;align-items:center;gap:2px;overflow-x:auto}.quick-nav a{padding:5px 8px;font-size:14px}main{padding-top:126px}.section{padding:54px 0;border-bottom:1px solid var(--border)}.section.compact{padding:34px 0}.eyebrow{font-size:13px;letter-spacing:.12em;color:#a5a5a5;text-transform:uppercase}.hero-title,h1{font-size:clamp(28px,4vw,32px);line-height:1.25;color:#f7f7f7;margin:12px 0 18px}h2{color:#f7f7f7;line-height:1.35}h3{color:#fff}.lead{font-size:18px;max-width:860px;color:#c7c7c7}.hero-media,.media{margin:0 0 28px;background:#050505;display:flex;justify-content:center}.hero-media img{width:100%;max-height:300px;object-fit:contain}.media img{width:100%;max-height:230px;object-fit:contain}.app-media img{max-height:420px;object-fit:contain;max-width:100%}.inline-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.inline-links a,.link-button{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border:1px solid var(--border-strong);border-radius:6px}.inline-links a:first-child,.link-button.primary{background:#fff;color:#000}.grid{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:#0b0b0b;border:1px solid var(--border);padding:22px;border-radius:8px}.card p:last-child{margin-bottom:0}.card a.more{display:inline-block;margin-top:10px;color:#fff;border-bottom:1px solid var(--border-strong)}.index-card{position:relative;padding-top:48px}.index-card .num{position:absolute;top:12px;right:16px;color:#727272;font-size:13px}.magazine{display:grid;grid-template-columns:1.1fr 1.9fr;gap:30px}.article-stack{display:grid;gap:18px}.topic-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px}.topic-item{padding:20px 0;border-bottom:1px solid var(--border)}.status{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--border)}.status b{color:#fff}.tag-row{display:flex;gap:8px;flex-wrap:wrap}.tag{font-size:12px;border:1px solid var(--border);padding:3px 8px;color:#c7c7c7}.page-head{padding:50px 0 26px}.page-layout{display:grid;grid-template-columns:1fr 300px;gap:28px}.side-card{position:sticky;top:146px;align-self:start}.timeline{border-left:1px solid var(--border-strong);margin-left:7px}.timeline article{padding:0 0 30px 28px;position:relative}.timeline article:before{content:"";position:absolute;left:-5px;top:8px;width:9px;height:9px;background:#fff}.notice{padding:16px 18px;border-left:3px solid #fff;background:#0b0b0b}.directory{position:fixed;z-index:80;top:84px;left:0;right:0;max-height:calc(100vh - 84px);overflow:auto;background:#090909;border-top:1px solid var(--border);padding:22px max(16px,calc((100vw - 1280px)/2));visibility:hidden;pointer-events:none;transform:translateY(-8px);opacity:0;transition:.18s}.directory.open{visibility:visible;pointer-events:auto;transform:none;opacity:1}.directory-head,.search-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.directory-head div,.search-head div{display:flex;flex-direction:column}.close-button{min-height:44px;padding:0 14px;border:1px solid var(--border-strong);border-radius:6px}.directory-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.directory-grid h2{font-size:16px}.directory-grid a{display:flex;flex-direction:column;padding:10px 0;border-bottom:1px solid var(--border)}.directory-grid span{font-size:13px;color:#a5a5a5}.overlay{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:70;visibility:hidden;pointer-events:none;opacity:0;transition:.18s}.overlay.open{visibility:visible;pointer-events:auto;opacity:1}.search-panel{position:fixed;z-index:81;top:84px;left:0;right:0;padding:22px 16px;visibility:hidden;pointer-events:none}.search-panel.open{visibility:visible;pointer-events:auto}.search-card{max-width:920px;margin:auto;background:#0b0b0b;border:1px solid var(--border);padding:22px;box-shadow:0 18px 46px rgba(0,0,0,.48)}.search-links{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.search-links a{padding:14px;background:#121212;border:1px solid var(--border)}.site-footer{padding:44px 0 70px;background:#000;border-top:1px solid var(--border)}.footer-grid{display:grid;grid-template-columns:1.8fr repeat(4,1fr);gap:24px}.footer-grid h2{font-size:15px}.footer-grid a{display:block;color:#a5a5a5;padding:3px 0}.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:4px}.footer-logo{height:32px;max-width:130px;object-fit:contain}.footer-brand p{font-size:13px;color:#727272;max-width:380px}.copyright{margin-top:28px;padding-top:18px;border-top:1px solid var(--border);font-size:13px;color:#727272}.mobile-bottom{display:none}.faq details{border-bottom:1px solid var(--border);padding:16px 0}.faq summary{cursor:pointer;color:#fff;font-weight:700}.faq p{color:#c7c7c7}.prose p{margin:0 0 18px}.prose h2{margin-top:36px}.quote{font-size:20px;color:#fff;padding:24px;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
@media(max-width:900px){.primary-nav,.quick-nav{display:none}.site-header{top:20px}.nav-row{gap:10px}.brand{min-width:0;flex:1}.nav-actions{flex-shrink:0}.nav-button{padding:0 10px;font-size:13px}main{padding-top:84px}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3,.grid-2,.magazine,.page-layout,.footer-grid{grid-template-columns:1fr}.topic-list{grid-template-columns:1fr}.side-card{position:static}.directory{top:20px;bottom:0;right:auto;width:min(88vw,390px);max-height:none;transform:translateX(-100%);padding:20px}.directory.open{transform:none}.directory-grid{grid-template-columns:1fr}.search-panel{top:84px}.search-links{grid-template-columns:repeat(2,1fr)}.mobile-bottom{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;z-index:60;bottom:0;left:0;right:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#0b0b0b;border-top:1px solid var(--border)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:13px}.site-footer{padding-bottom:100px}.status{grid-template-columns:1fr;gap:4px}}@media(max-width:560px){.wrap{width:calc(100% - 32px)}.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.hero-title,h1{font-size:28px}.nav-actions{gap:4px}.nav-button{padding:0 8px}.search-links{grid-template-columns:1fr}.section{padding:42px 0}}