*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#000;color:#ddd;font:16px/1.76 system-ui,-apple-system,"Microsoft YaHei","PingFang SC",sans-serif;overflow-x:hidden}body.panel-open{overflow:hidden}a{color:inherit;text-decoration:none}a:hover{color:#fff}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid #fff;outline-offset:3px}img{display:block;max-width:100%;height:auto;object-fit:contain;object-position:center}.wrap{width:min(1240px,calc(100% - 48px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:30;background:#050505;border-bottom:1px solid rgba(255,255,255,.12)}.brand-row{height:72px;display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;flex-shrink:0;min-width:0}.logo{height:32px;width:auto;max-width:116px;object-fit:contain}.wordmark{font-size:27px;font-weight:750;letter-spacing:.08em;color:#f7f7f7}.brand-sub{margin-right:auto;font-size:12px;letter-spacing:.18em;color:#c7c7c7}.brand-sub small{display:block;font-size:11px;letter-spacing:.05em;color:#a5a5a5}.header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.header-btn,.close-panel{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:44px;padding:4px 14px;border:1px solid rgba(255,255,255,.22);background:transparent;color:#eee;border-radius:5px}.header-btn:hover,.close-panel:hover{background:#1a1a1a}.main-nav{border-top:1px solid rgba(255,255,255,.10)}.nav-inner{height:48px;display:flex;justify-content:space-between;gap:14px;align-items:stretch}.nav-inner a{display:inline-flex;align-items:center;white-space:nowrap;padding:0 4px;border-bottom:2px solid transparent;font-size:14px;color:#c7c7c7}.nav-inner a:hover,.nav-inner a[aria-current]{color:#fff;border-color:#ddd}main{min-height:40vh}.site-footer{background:#0b0b0b;border-top:1px solid rgba(255,255,255,.12);margin-top:70px;padding:42px 0 20px}.footer-brand p{max-width:680px;color:#a5a5a5;font-size:14px}.footer-brand>span{font-size:12px;letter-spacing:.2em}.footer-links{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px;margin-top:34px}.footer-links h2{font-size:15px;color:#fff}.footer-links a{display:block;font-size:14px;color:#a5a5a5;padding:4px 0}.copyright-line{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;font-size:13px;color:#a5a5a5}.eyebrow{font-size:12px;letter-spacing:.15em;color:#c7c7c7;text-transform:uppercase}.page-intro{padding:45px 0 28px;border-bottom:1px solid rgba(255,255,255,.12)}h1{font-size:clamp(28px,3vw,34px);line-height:1.35;color:#f7f7f7;margin:12px 0 17px;letter-spacing:.01em}h2{color:#f7f7f7;line-height:1.4}h3{color:#f7f7f7;line-height:1.45}.lead{font-size:17px;max-width:850px;color:#ddd;margin:0 0 20px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}.btn{min-height:44px;padding:8px 17px;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.4);border-radius:4px;font-size:14px}.btn-light{background:#f7f7f7;color:#000}.btn-light:hover{background:#c7c7c7;color:#000}.btn-outline:hover{background:#1a1a1a}.home-section,.inner-section{padding:42px 0;border-bottom:1px solid rgba(255,255,255,.12)}.home-section h2,.inner-section h2{font-size:clamp(22px,2.5vw,28px);margin:0 0 18px}.muted,.related{color:#a5a5a5}.related a{border-bottom:1px solid #888;padding-bottom:2px}.related a:hover{color:white}.hero{padding:24px 0 38px;border-bottom:1px solid rgba(255,255,255,.12)}.hero>.media{margin:0 0 24px}.hero>.media img{margin:auto;width:auto;max-width:100%;max-height:300px}.hero-bottom{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}.hero-brand{font-size:13px;letter-spacing:.14em;color:#c7c7c7}.hero h1{margin-top:6px}.media{margin:0 0 24px;min-width:0}.media img{max-width:100%;width:auto;height:auto;margin:auto;object-fit:contain}.media-wide img{max-height:260px}.media-vertical img{max-height:420px}.media-icon img{width:auto;max-height:64px;max-width:72px;margin:0}.quick-grid,.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.entry,.quick-item,.status,.index-item{min-width:0;background:#0b0b0b;border:1px solid rgba(255,255,255,.12);padding:20px;border-radius:6px}.entry h3,.quick-item h3{margin:0 0 10px;font-size:18px}.entry p,.quick-item p{margin:0 0 10px}.quick-item a,.entry h3 a{color:#f7f7f7}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:start}.split>*,.hero-bottom>*{min-width:0}.split.with-media{grid-template-columns:minmax(0, .75fr) minmax(0,1.25fr)}.split.with-media .media{margin-bottom:0}.split.with-media .media img{max-height:260px}.news-list,.vertical-list,.theme-list,.steps{display:grid;gap:12px}.news-item,.vertical-item,.theme-row,.step{padding:19px 22px;background:#0b0b0b;border-left:2px solid rgba(255,255,255,.4);min-width:0}.news-item h3,.vertical-item h3,.theme-row h3,.step h3{margin:0 0 7px}.news-item p,.vertical-item p,.theme-row p,.step p{margin:0}.feature-band{padding:25px 0;border-top:1px solid rgba(255,255,255,.12)}.feature-band:first-child{border-top:0}.feature-band p{max-width:850px}.wide-copy{max-width:850px}.editor-note{border-left:3px solid #c7c7c7;padding:12px 20px;background:#121212;font-size:14px;color:#ddd}.status-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.status>span{display:inline-block;border:1px solid #c7c7c7;color:#f7f7f7;padding:2px 10px;border-radius:3px;font-size:13px}.status p{margin-bottom:0}.home-closing{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.home-closing article{background:#0b0b0b;padding:22px;border:1px solid rgba(255,255,255,.12)}.page-body{padding-top:25px}.content-block{padding:26px 0;border-bottom:1px solid rgba(255,255,255,.12);max-width:930px}.content-block h2{margin:0 0 15px;font-size:23px}.content-block p{max-width:850px;margin:0 0 16px}.page-body .cards{grid-template-columns:repeat(3,minmax(0,1fr));margin:23px 0}.page-body .cards .entry p{font-size:15px}.longform{max-width:820px}.longform p{max-width:780px}.section-kicker{color:#a5a5a5;font-size:14px}.faq-list{max-width:930px}.faq-item{padding:18px 0;border-bottom:1px solid rgba(255,255,255,.12)}.faq-item h2{font-size:19px}.faq-item p{margin-bottom:0}.backdrop{position:fixed;inset:0;background:rgba(0,0,0,.74);z-index:55;visibility:hidden;pointer-events:none;opacity:0;transition:opacity .14s}.backdrop.visible{visibility:visible;pointer-events:auto;opacity:1}.overlay-panel{position:fixed;top:72px;left:0;right:0;z-index:60;background:#121212;border:1px solid rgba(255,255,255,.26);visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-8px);transition:opacity .14s,transform .14s;max-height:70dvh;overflow-y:auto;overscroll-behavior:contain}.overlay-panel.visible{visibility:visible;pointer-events:auto;opacity:1;transform:none}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.panel-head h2{margin:0;font-size:24px}.panel-shell{padding:22px 0}.menu-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:23px}.menu-group{min-width:0}.menu-group h3{font-size:14px;margin:0 0 10px;color:#c7c7c7}.menu-group a{display:block;border-top:1px solid rgba(255,255,255,.12);padding:8px 0}.menu-group a strong,.menu-group a small{display:block}.menu-group a strong{font-size:14px}.menu-group a small{font-size:12px;color:#a5a5a5}.search-panel{top:72px;max-width:550px;left:auto;right:max(24px,calc((100vw - 1240px)/2));padding:24px;border-radius:0 0 8px 8px}.search-shell label{display:block;margin:20px 0 9px}.search-shell input{width:100%;min-height:44px;padding:9px 12px;background:#050505;border:1px solid #888;color:#f7f7f7;border-radius:4px}.search-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.search-links a{display:block;border:1px solid rgba(255,255,255,.2);padding:9px;border-radius:4px}.search-links a[hidden]{display:none}.mobile-nav{display:none}@media(max-width:1100px){.nav-inner a:nth-last-child(-n+2){display:none}.footer-links{grid-template-columns:repeat(3,minmax(0,1fr))}.quick-grid,.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.menu-groups{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){.wrap{width:calc(100% - 32px)}.site-header{top:0}.brand-row{height:60px;gap:8px}.brand-sub,.main-nav{display:none}.logo{height:29px;max-width:80px}.wordmark{font-size:24px;white-space:nowrap}.header-actions{margin-left:auto;gap:4px}.header-btn{min-width:44px;min-height:44px;padding:3px 7px;font-size:13px}.app-short{padding-inline:8px}.hero-bottom,.split,.split.with-media{grid-template-columns:minmax(0,1fr);gap:15px}.hero{padding-top:15px}.hero>.media img{max-height:300px}.page-intro{padding-top:25px}.quick-grid,.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.status-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home-closing{grid-template-columns:minmax(0,1fr)}.footer-links{grid-template-columns:repeat(2,minmax(0,1fr))}.site-footer{padding-bottom:calc(80px + env(safe-area-inset-bottom))}.mobile-nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));position:fixed;bottom:0;left:0;right:0;height:calc(56px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#0b0b0b;border-top:1px solid rgba(255,255,255,.3);z-index:35}.mobile-nav a,.mobile-nav button{display:flex;align-items:center;justify-content:center;color:#ddd;font-size:12px;min-width:0;background:transparent;border:0;padding:3px}.mobile-nav a[aria-current]{color:white;border-top:2px solid white}.overlay-panel{top:60px;max-height:70dvh}.menu-groups{grid-template-columns:minmax(0,1fr);gap:18px}.search-panel{right:0;left:0;max-width:none;padding:16px}.home-section,.inner-section{padding:31px 0}.media-vertical img{max-height:360px}.footer-brand p{font-size:13px}}@media(max-width:355px){.header-btn{padding:2px 5px;font-size:12px}.header-actions{gap:2px}.logo{max-width:64px}.quick-grid{grid-template-columns:minmax(0,1fr)}.entry,.quick-item{padding:15px}.mobile-nav a,.mobile-nav button{font-size:11px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.overlay-panel,.backdrop{transition:none}}