:root{--bg:#000;--deep:#050505;--card:#0b0b0b;--card2:#121212;--hover:#1a1a1a;--text:#ddd;--title:#f7f7f7;--muted:#a5a5a5;--dim:#727272;--line:rgba(255,255,255,.12);--line-strong:rgba(255,255,255,.4);--max:1320px;--header-offset:144px;--shadow:0 18px 46px rgba(0,0,0,.48)}
*{box-sizing:border-box}html{scroll-behavior:smooth}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;line-height:1.72;overflow-x:hidden}body.is-locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}img{display:block;max-width:100%;height:auto}.wrap{width:min(calc(100% - 40px),var(--max));margin:0 auto}.skip-link{position:fixed;left:16px;top:-100px;z-index:999;background:#fff;color:#000;padding:10px 16px}.skip-link:focus{top:10px}.site-header{position:sticky;top:0;z-index:100}.topbar{background:#000;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}.topbar-inner{min-height:34px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px}.topbar-links{display:flex;gap:22px}.topbar-actions{display:flex;justify-content:flex-end;align-items:center;gap:18px}.topbar a:hover,.topbar button:hover{color:#fff}.mobile-only{display:none!important}.text-button{border:0;background:transparent;padding:0;cursor:pointer}.brandnav-shell{position:relative;background:rgba(0,0,0,.97);border-bottom:1px solid var(--line);z-index:95;backdrop-filter:blur(12px)}.brandnav{min-height:72px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.brandnav-side{display:flex;align-items:center;gap:18px}.brandnav-right{justify-content:flex-end}.menu-trigger,.nav-app,.brandnav-right>a{min-height:44px;display:inline-flex;align-items:center;gap:8px}.menu-trigger,.more-button,.icon-button{border:0;background:transparent;cursor:pointer}.menu-trigger{padding:0}.current-channel{color:var(--dim);font-size:13px}.brandmark{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:170px}.brandmark img{max-height:48px;max-width:170px;object-fit:contain}.brandmark-cn{font-size:27px;font-weight:800;letter-spacing:.24em;margin-right:-.24em}.brandmark-en{font-size:9px;letter-spacing:.28em;color:var(--muted);margin-right:-.28em}.nav-app{border:1px solid var(--line-strong);padding:0 15px}.channelnav{background:var(--deep);border-bottom:1px solid var(--line)}.channelnav-inner{height:44px;display:flex;align-items:stretch}.channel-scroll{display:flex;flex:1;overflow:hidden;white-space:nowrap}.channel-scroll a{height:44px;display:inline-flex;align-items:center;padding:0 15px;position:relative;font-size:13px;color:var(--muted)}.channel-scroll a:hover,.channel-scroll a.is-active{color:#fff}.channel-scroll a.is-active:after{content:"";position:absolute;left:15px;right:15px;bottom:0;height:2px;background:#fff}.more-wrap{position:relative;flex:0 0 auto}.more-button{height:44px;padding:0 4px 0 22px}.more-menu{position:absolute;right:0;top:44px;width:180px;background:#0b0b0b;border:1px solid var(--line);box-shadow:var(--shadow);padding:8px}.more-menu a{display:block;padding:10px 12px;color:var(--muted)}.more-menu a:hover{background:var(--hover);color:#fff}.site-main{min-height:60vh}.hero{padding:76px 0 72px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:58px;align-items:center}.hero-copy .eyebrow,.page-hero .eyebrow,.section-kicker{display:block;color:var(--muted);font-size:12px;letter-spacing:.18em;text-transform:uppercase;margin-bottom:14px}.hero h1,.page-hero h1{margin:0;color:var(--title);font-size:clamp(42px,6vw,82px);line-height:1.05;letter-spacing:-.045em}.hero p.lead,.page-hero p.lead{font-size:18px;color:#c7c7c7;max-width:760px}.hero-media{background:#0d0d0d;min-height:490px;display:flex;align-items:flex-end;border:1px solid var(--line);overflow:hidden}.hero-media img{width:100%;height:100%;max-height:620px;object-fit:contain;filter:grayscale(1)}.hero-media-placeholder{padding:28px;color:var(--dim);font-size:13px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border:1px solid var(--line-strong);font-weight:700;white-space:nowrap}.btn-primary{background:#fff;color:#000;border-color:#fff}.btn-secondary{background:transparent;color:#fff}.btn:hover{transform:translateY(-1px)}.hero-briefs{border-top:1px solid var(--line);margin-top:22px}.hero-briefs a{display:grid;grid-template-columns:110px 1fr auto;gap:18px;padding:18px 0;border-bottom:1px solid var(--line);align-items:center}.hero-briefs b{color:#fff}.hero-briefs span{font-size:13px;color:var(--muted)}.hero-briefs em{font-style:normal;color:#fff}.section{padding:70px 0;border-top:1px solid var(--line)}.section-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.6fr);gap:40px;align-items:end;margin-bottom:34px}.section-head h2{margin:0;color:#fff;font-size:clamp(28px,4vw,48px);line-height:1.12;letter-spacing:-.025em}.section-head p{margin:0;color:var(--muted)}.grid-3,.grid-4,.grid-2{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))}.card{background:var(--card);border:1px solid var(--line);padding:26px;min-height:100%}.card:hover{border-color:var(--line-strong);background:var(--card2)}.card .num{display:block;color:var(--dim);font-size:12px;margin-bottom:28px}.card h3{margin:0 0 10px;color:#fff;font-size:21px}.card p{margin:0;color:var(--muted)}.card a.more-link{display:inline-flex;margin-top:20px;color:#fff;font-weight:700}.media-card{padding:0;overflow:hidden}.media-card img{width:100%;aspect-ratio:16/10;object-fit:cover;filter:grayscale(1)}.media-card .card-body{padding:24px}.band{background:#050505;color:var(--text)}.band .section-head h2,.band .card h3{color:#fff}.band .section-head p,.band .card p{color:var(--muted)}.band .card{background:#0b0b0b;border-color:var(--line)}.band .more-link{color:#fff!important}.page-hero{padding:72px 0 54px}.page-hero-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.7fr);gap:50px;align-items:end}.page-hero h1{font-size:clamp(46px,7vw,88px)}.page-hero .meta-note{color:var(--muted);border-top:1px solid var(--line);padding-top:18px}.feature-image{margin:10px auto 60px;border:1px solid var(--line);background:#080808}.feature-image img{width:100%;max-height:620px;object-fit:contain;filter:grayscale(1)}.prose{max-width:880px}.prose h2{color:#fff;font-size:30px;margin:42px 0 14px}.prose h3{color:#fff;margin:28px 0 8px}.prose p{color:#c8c8c8}.prose ul{padding-left:20px;color:#c8c8c8}.prose li+li{margin-top:8px}.notice{border:1px solid var(--line-strong);padding:20px 22px;color:#d8d8d8;background:#080808}.status-list{display:grid;gap:0;border-top:1px solid var(--line)}.status-list article{display:grid;grid-template-columns:170px 1fr 160px;gap:24px;padding:22px 0;border-bottom:1px solid var(--line)}.status-list h3{margin:0;color:#fff}.status-list p{margin:0;color:var(--muted)}.status{color:#fff;text-align:right}.quote-card{border-left:2px solid #fff;padding:18px 22px;background:#080808}.quote-card p{margin:0;color:#d8d8d8}.faq-list{max-width:980px}.faq-list details{border-top:1px solid var(--line);padding:0}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;color:#fff;font-weight:700;padding:20px 4px;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list details p{margin:0 0 22px;color:var(--muted);max-width:850px}.cta-line{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}.site-footer{border-top:1px solid var(--line);padding:56px 0 90px;background:#000}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:34px}.footer-grid h2{font-size:13px;color:#fff;margin:0 0 12px}.footer-grid>div>a{display:block;color:var(--muted);font-size:13px;padding:5px 0}.footer-grid>div>a:hover{color:#fff}.footer-brand img{max-width:130px;max-height:48px;object-fit:contain;margin-bottom:12px}.footer-brand strong,.footer-brand span{display:block}.footer-brand strong{color:#fff;font-size:24px}.footer-brand span{color:var(--muted);font-size:10px;letter-spacing:.24em}.footer-brand p{color:var(--muted);font-size:13px;max-width:340px}.footer-note{border-top:1px solid var(--line);margin-top:40px;padding-top:24px;display:flex;justify-content:space-between;gap:30px;color:var(--dim);font-size:12px}.footer-note p{margin:0;max-width:800px}.overlay{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:200;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s ease,visibility .22s ease}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.site-panel{position:fixed;z-index:220;left:0;top:0;bottom:0;width:min(520px,90vw);background:#050505;border-right:1px solid var(--line);transform:translateX(-101%);visibility:hidden;pointer-events:none;transition:transform .26s ease,visibility .26s ease;overflow-y:auto}.site-panel.is-open{transform:none;visibility:visible;pointer-events:auto}.panel-head{position:sticky;top:0;background:#050505;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:18px 22px;z-index:2}.panel-logo{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800}.panel-logo img{max-width:95px;max-height:34px;object-fit:contain}.icon-button{width:44px;height:44px;font-size:30px}.panel-groups{padding:8px 22px 40px}.panel-groups section{padding:18px 0;border-bottom:1px solid var(--line)}.panel-groups h2{font-size:12px;color:var(--dim);letter-spacing:.12em}.panel-groups a{display:block;padding:11px 0}.panel-groups b,.panel-groups span{display:block}.panel-groups b{color:#fff}.panel-groups span{color:var(--muted);font-size:12px;margin-top:3px}.search-panel{position:fixed;z-index:230;inset:0;background:#000;visibility:hidden;opacity:0;pointer-events:none;overflow-y:auto;transition:opacity .2s ease,visibility .2s ease}.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto}.search-top{display:flex;justify-content:space-between;align-items:center;padding-top:28px}.search-top strong{font-size:22px;color:#fff}.search-content{padding-top:8vh;padding-bottom:80px}.search-content label{display:block;color:var(--muted);margin-bottom:12px}.search-content input{width:100%;background:transparent;border:0;border-bottom:1px solid var(--line-strong);color:#fff;font-size:clamp(28px,5vw,58px);padding:10px 0 18px;outline:none}.search-content input:focus{border-bottom-color:#fff}.search-hint{color:var(--dim);font-size:12px}.search-list{margin-top:30px;border-top:1px solid var(--line)}.search-list a{display:grid;grid-template-columns:180px 1fr;padding:20px 0;border-bottom:1px solid var(--line)}.search-list b{color:#fff}.search-list span{color:var(--muted)}.search-list a[hidden]{display:none}.search-shortcuts{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.search-shortcuts a{border:1px solid var(--line);padding:10px 14px}.mobile-bottom{display:none}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid #fff;outline-offset:3px}
@media (max-width:900px){:root{--header-offset:128px}.wrap{width:min(calc(100% - 28px),var(--max))}.desktop-only{display:none!important}.mobile-only{display:inline-flex!important}.topbar-inner{grid-template-columns:1fr auto}.topbar-links{display:none}.brandnav{min-height:58px}.brandmark{min-width:auto}.brandmark img{max-height:38px;max-width:120px}.brandmark-cn{font-size:22px}.brandmark-en{font-size:7px}.brandnav-left,.brandnav-right{min-width:70px}.nav-app{padding:0 10px;font-size:12px}.channelnav-inner{height:44px}.channel-scroll{overflow-x:auto;scrollbar-width:none}.channel-scroll::-webkit-scrollbar{display:none}.more-wrap{display:none}.hero{padding:46px 0 50px}.hero-grid{display:flex;flex-direction:column;gap:28px}.hero-copy{display:contents}.hero-copy .eyebrow{order:1}.hero-copy h1{order:2}.hero-copy .lead{order:3}.hero-copy .actions{order:4}.hero-media{order:5;width:100%;min-height:0;aspect-ratio:16/10}.hero-briefs{order:6;width:100%;margin-top:0}.hero-briefs a{grid-template-columns:85px 1fr}.hero-briefs em{display:none}.section{padding:52px 0}.section-head,.page-hero-inner{grid-template-columns:1fr;gap:18px}.grid-4,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-grid>div:nth-child(4),.footer-grid>div:nth-child(5){margin-top:10px}.footer-note{flex-direction:column}.status-list article{grid-template-columns:1fr;gap:8px}.status{text-align:left}.mobile-bottom{position:fixed;z-index:180;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(0,0,0,.97);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:52px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:12px}.mobile-bottom a.is-active{color:#fff;background:#121212}.site-footer{padding-bottom:100px}.site-panel.is-open~.mobile-bottom,.search-panel.is-open~.mobile-bottom{display:none}.search-list a{grid-template-columns:1fr;gap:4px}}
@media (max-width:620px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.hero h1,.page-hero h1{font-size:42px}.hero p.lead,.page-hero p.lead{font-size:16px}.card{padding:22px}.section-head h2{font-size:32px}.topbar-brand{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar-actions{gap:12px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.search-content{padding-top:5vh}.search-content input{font-size:32px}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}.btn:hover{transform:none}}