:root{
    --bg:#000;--deep:#050505;--card:#0b0b0b;--card2:#121212;--hover:#1a1a1a;--white:#fff;--title:#f7f7f7;--text:#ddd;--muted:#a5a5a5;--dim:#727272;--silver:#c7c7c7;--line:rgba(255,255,255,.12);--line-strong:rgba(255,255,255,.4);--shadow:0 18px 46px rgba(0,0,0,.48);--glow:0 12px 34px rgba(255,255,255,.08);--max:1320px;
}
*{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:1.75;overflow-x:hidden}body.panel-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}img{max-width:100%;height:auto;display:block}.container{width:min(calc(100% - 40px),var(--max));margin:0 auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:5000;background:#fff;color:#000;padding:10px 14px}.skip-link:focus{top:10px}.mobile-only{display:none}.topbar{border-bottom:1px solid var(--line);background:#000}.topbar-inner{min-height:36px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;font-size:12px;color:var(--muted);letter-spacing:.04em}.topbar-links{display:flex;gap:22px}.topbar-actions{display:flex;justify-content:flex-end;align-items:center;gap:18px}.topbar a:hover,.text-button:hover{color:#fff}.text-button{border:0;background:none;padding:5px 0;cursor:pointer}.sticky-shell{position:sticky;top:0;z-index:1000;background:rgba(0,0,0,.96);backdrop-filter:blur(18px)}.brandbar{border-bottom:1px solid var(--line)}.brandbar-inner{height:76px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;position:relative}.brandbar-left,.brandbar-right{display:flex;align-items:center;gap:14px}.brandbar-right{justify-content:flex-end}.menu-button,.nav-link-button,.icon-button{min-height:44px;border:1px solid var(--line);background:transparent;color:#fff;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 15px;cursor:pointer}.nav-link-button.solid{background:#fff;color:#000;border-color:#fff}.menu-button:hover,.nav-link-button:hover,.icon-button:hover{border-color:var(--line-strong);background:var(--hover)}.nav-link-button.solid:hover{background:#ededed}.channel-label{font-size:12px;color:var(--muted);letter-spacing:.12em}.brand-logo,.panel-brand,.footer-logo{display:inline-flex;align-items:center;gap:10px}.brand-logo{position:absolute;left:50%;transform:translateX(-50%);text-align:center;flex-direction:column;gap:0;white-space:nowrap}.logo-image{max-height:44px;max-width:150px;object-fit:contain}.logo-cn{font-weight:900;font-size:22px;letter-spacing:.14em;color:#fff}.logo-en{font-size:9px;letter-spacing:.28em;color:var(--muted)}.channel-nav{border-bottom:1px solid var(--line);background:#050505}.channel-nav-inner{display:flex;align-items:center;min-width:0}.channel-scroll{display:flex;align-items:center;gap:0;flex:1;min-width:0}.channel-link,.more-menu summary{height:46px;padding:0 16px;display:inline-flex;align-items:center;color:var(--muted);font-size:13px;white-space:nowrap;border-bottom:2px solid transparent;cursor:pointer}.channel-link:hover,.more-menu summary:hover,.channel-link.is-active{color:#fff}.channel-link.is-active{border-bottom-color:#fff}.more-menu{position:relative}.more-menu summary{list-style:none}.more-menu summary::-webkit-details-marker{display:none}.more-dropdown{position:absolute;right:0;top:calc(100% + 1px);width:180px;padding:8px;background:#0b0b0b;border:1px solid var(--line);box-shadow:var(--shadow);z-index:20}.more-dropdown a{display:block;padding:10px 12px;color:var(--muted)}.more-dropdown a:hover,.more-dropdown a.is-active{background:var(--hover);color:#fff}.site-main{min-height:60vh}.hero{padding:52px 0 70px;border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(340px,.65fr);gap:54px;align-items:center}.hero-media,.media-frame{background:linear-gradient(135deg,#161616,#050505);border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden;position:relative}.hero-media{aspect-ratio:16/10}.hero-media img,.media-frame img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) saturate(.25)}.media-fallback{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:30px;background:linear-gradient(155deg,#1c1c1c 0,#090909 48%,#000 100%);overflow:hidden}.media-fallback:before{content:"";position:absolute;width:42%;aspect-ratio:1;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:-6%;top:-10%;box-shadow:0 0 0 36px rgba(255,255,255,.02),0 0 0 72px rgba(255,255,255,.015);pointer-events:none}.media-fallback span{font-size:11px;letter-spacing:.25em;color:var(--muted)}.media-fallback strong{font-size:clamp(30px,5vw,76px);line-height:1.02;letter-spacing:-.04em;color:#fff;max-width:9ch}.eyebrow{display:inline-block;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--silver);margin-bottom:10px}.hero h1,.page-hero h1{font-size:clamp(42px,6vw,88px);line-height:.98;letter-spacing:-.055em;margin:0 0 24px;color:#fff}.hero-copy>p,.page-hero p{font-size:16px;color:var(--muted);max-width:660px}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.btn{min-height:46px;padding:0 18px;border:1px solid var(--line-strong);display:inline-flex;align-items:center;justify-content:center;font-size:13px;white-space:nowrap}.btn.primary{background:#fff;color:#000;border-color:#fff}.btn:hover{background:#1a1a1a;color:#fff}.btn.primary:hover{background:#ededed;color:#000}.hero-news{margin-top:34px;border-top:1px solid var(--line)}.hero-news a{display:grid;grid-template-columns:95px 1fr auto;gap:18px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line);font-size:13px}.hero-news strong{color:#fff}.hero-news span{color:var(--muted)}.hero-news em{font-style:normal;color:#fff}.section{padding:76px 0;border-bottom:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:flex-end;margin-bottom:30px}.section-head h2,.content-title{font-size:clamp(28px,4vw,52px);line-height:1.05;margin:0;color:var(--title);letter-spacing:-.035em}.section-head p{max-width:630px;color:var(--muted);margin:0}.text-link{font-size:13px;color:#fff;border-bottom:1px solid var(--line-strong);padding-bottom:3px;white-space:nowrap}.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(--card);border:1px solid var(--line);padding:24px;min-height:100%;transition:background .2s ease,border-color .2s ease}.card:hover{background:var(--card2);border-color:rgba(255,255,255,.2)}.card .kicker{font-size:10px;color:var(--dim);letter-spacing:.18em;text-transform:uppercase}.card h3{margin:12px 0 10px;font-size:21px;color:#fff;line-height:1.3}.card p{margin:0;color:var(--muted);font-size:14px}.card a.inline{display:inline-block;margin-top:18px;color:#fff;font-size:13px;border-bottom:1px solid var(--line-strong)}.number-card{position:relative;padding-top:72px}.number-card:before{content:attr(data-no);position:absolute;left:24px;top:18px;color:#fff;font-weight:800;font-size:30px;letter-spacing:-.04em}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;align-items:center}.media-frame{aspect-ratio:16/10}.page-hero{padding:70px 0 54px;border-bottom:1px solid var(--line);background:#050505}.page-hero .container{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:60px;align-items:end}.page-hero .meta-box{border-left:1px solid var(--line-strong);padding-left:24px;color:var(--muted);font-size:13px}.page-hero .meta-box strong{display:block;color:#fff;font-size:14px;margin-bottom:8px}.prose{max-width:840px}.prose h2{font-size:30px;color:#fff;margin:40px 0 12px}.prose h3{font-size:21px;color:#fff;margin:30px 0 10px}.prose p{color:var(--text)}.prose ul{padding-left:20px}.prose li{margin:8px 0;color:var(--muted)}.info-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);margin-top:32px}.info-strip>div{padding:18px;border-right:1px solid var(--line)}.info-strip>div:last-child{border-right:0}.info-strip span{display:block;font-size:10px;color:var(--dim);letter-spacing:.16em}.info-strip strong{display:block;margin-top:6px;color:#fff;font-size:14px}.timeline{border-left:1px solid var(--line-strong);margin-left:8px}.timeline article{position:relative;padding:0 0 30px 28px}.timeline article:before{content:"";position:absolute;left:-5px;top:8px;width:9px;height:9px;border-radius:50%;background:#fff}.timeline h3{margin:0 0 8px;color:#fff}.timeline p{margin:0;color:var(--muted)}.quote-card{border:1px solid var(--line);padding:30px;background:#050505}.quote-card p{font-size:20px;color:#fff;line-height:1.55}.quote-card span{color:var(--muted);font-size:13px}.tag-list{display:flex;flex-wrap:wrap;gap:8px}.tag{border:1px solid var(--line);padding:7px 10px;font-size:12px;color:var(--silver)}.note{padding:18px 20px;border-left:3px solid #fff;background:#0b0b0b;color:var(--muted)}.faq-list details{border-top:1px solid var(--line)}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;padding:20px 0;color:#fff;font-weight:700}.faq-list p{padding:0 0 20px;margin:0;max-width:900px;color:var(--muted)}.site-footer{padding:58px 0 22px;background:#000}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:34px}.footer-grid h2{font-size:12px;letter-spacing:.12em;color:#fff;margin:0 0 14px}.footer-grid a{display:block;color:var(--muted);font-size:13px;padding:4px 0}.footer-grid a:hover{color:#fff}.footer-brand p{max-width:340px;color:var(--muted);font-size:13px}.footer-note{border-top:1px solid var(--line);margin-top:42px;padding-top:20px;display:flex;justify-content:space-between;gap:30px;color:var(--dim);font-size:12px}.overlay{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:1990;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s ease}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.site-panel{position:fixed;left:0;top:0;bottom:0;width:min(520px,90vw);background:#050505;border-right:1px solid var(--line);z-index:2000;transform:translateX(-102%);visibility:hidden;pointer-events:none;transition:transform .25s ease,visibility .25s ease;overflow-y:auto}.site-panel.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.panel-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:18px 20px;background:#050505;border-bottom:1px solid var(--line)}.panel-brand{flex-direction:column;align-items:flex-start;gap:0}.icon-button{width:44px;padding:0;font-size:22px}.panel-groups{padding:20px}.panel-groups section{margin-bottom:26px}.panel-groups h2{font-size:11px;letter-spacing:.16em;color:var(--dim)}.panel-groups a{display:block;padding:12px 0;border-top:1px solid var(--line)}.panel-groups strong{display:block;color:#fff}.panel-groups span{display:block;font-size:12px;color:var(--muted);margin-top:4px}.search-panel{position:fixed;inset:0;z-index:2100;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-inner{padding-top:60px;padding-bottom:60px}.search-head{display:flex;align-items:start;justify-content:space-between;gap:20px}.search-head h2{font-size:clamp(34px,6vw,68px);margin:0;color:#fff;letter-spacing:-.04em}.search-field{display:block;margin:48px 0}.search-field span{display:block;color:var(--dim);font-size:12px;margin-bottom:8px}.search-field input{width:100%;background:transparent;color:#fff;border:0;border-bottom:1px solid var(--line-strong);padding:14px 0;font-size:24px;outline:none}.search-field input:focus{border-bottom-color:#fff}.search-columns{display:grid;grid-template-columns:1fr 1fr;gap:50px}.search-columns h3{font-size:12px;color:var(--muted);letter-spacing:.12em}.search-list,.quick-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.search-list a,.quick-links a{padding:14px;border:1px solid var(--line);color:#fff}.search-list a:hover,.quick-links a:hover{background:var(--hover)}.search-empty{color:var(--muted);margin-top:20px}.mobile-bottom-nav{display:none}.contact-steps{counter-reset:steps}.contact-steps .card{counter-increment:steps}.contact-steps .card:before{content:"0" counter(steps);display:block;color:#fff;font-weight:800;font-size:26px;margin-bottom:14px}
:focus-visible{outline:2px solid #fff;outline-offset:3px}
@media (max-width:1050px){.hero-grid{grid-template-columns:1fr;gap:28px}.hero-copy{order:-1}.page-hero .container{grid-template-columns:1fr;gap:20px}.footer-grid{grid-template-columns:1.3fr repeat(2,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}.channel-link{padding:0 12px}.brandbar-inner{height:68px}.desktop-only.topbar-links{display:none}}
@media (max-width:760px){body{padding-bottom:66px}.container{width:min(calc(100% - 28px),var(--max))}.desktop-only{display:none!important}.mobile-only{display:inline}.topbar-inner{grid-template-columns:1fr auto;min-height:34px}.topbar-actions{gap:12px}.brandbar-inner{grid-template-columns:1fr auto 1fr;height:62px}.brandbar-left{justify-content:flex-start}.brandbar-right{justify-content:flex-end}.menu-button{width:44px;padding:0}.brand-logo{position:static;transform:none}.logo-cn{font-size:18px}.logo-en{font-size:7px}.logo-image{max-width:112px;max-height:36px}.nav-link-button.solid{padding:0 12px;min-height:42px;font-size:12px}.channel-nav-inner{padding-right:0}.channel-scroll{overflow-x:auto;scrollbar-width:none}.channel-scroll::-webkit-scrollbar{display:none}.channel-link{height:42px;padding:0 13px}.more-menu summary{height:42px;padding:0 13px;background:#050505}.hero{padding:34px 0 48px}.hero h1,.page-hero h1{font-size:42px}.hero-news a{grid-template-columns:78px 1fr}.hero-news em{display:none}.section{padding:52px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:14px}.grid-2,.grid-3,.grid-4,.split,.search-columns,.footer-grid{grid-template-columns:1fr}.grid-2,.grid-3,.grid-4{gap:12px}.card{padding:20px}.info-strip{grid-template-columns:1fr 1fr}.info-strip>div:nth-child(2){border-right:0}.info-strip>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.footer-note{display:block}.search-list,.quick-links{grid-template-columns:1fr}.search-inner{padding-top:28px}.search-field{margin:32px 0}.search-field input{font-size:18px}.mobile-bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:1500;background:rgba(0,0,0,.96);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{min-height:52px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:12px}.mobile-bottom-nav a.is-active{color:#fff;background:#121212}.site-panel.is-open~.mobile-bottom-nav,.search-panel.is-open~.mobile-bottom-nav{visibility:hidden}.hero-media{aspect-ratio:4/3}.page-hero{padding:46px 0 40px}.footer-grid{gap:24px}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}