:root{color-scheme:dark;--bg:#000;--panel:#0b0b0b;--panel2:#121212;--white:#fff;--title:#f7f7f7;--text:#ddd;--muted:#a5a5a5;--faint:#727272;--line:rgba(255,255,255,.12);--line2:rgba(255,255,255,.4);--shell:min(1320px,calc(100% - 48px))}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:#000}body{margin:0;min-width:320px;overflow-x:hidden;background:#000;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}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}[hidden]{display:none!important}.shell{width:var(--shell);margin-inline:auto}.skip-link{position:fixed;left:12px;top:-60px;z-index:5000;padding:10px 14px;background:#fff;color:#000}.skip-link:focus{top:12px}:focus-visible{outline:2px solid #fff;outline-offset:3px}
.site-header{position:sticky;top:0;z-index:1200;background:rgba(0,0,0,.96);backdrop-filter:blur(12px)}.topline{border-bottom:1px solid var(--line)}.topline__inner{min-height:34px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;color:var(--muted);font-size:12px}.topline__brand{margin:0;white-space:nowrap}.topline__links{display:flex;gap:20px}.topline__links--right{justify-content:flex-end}.topline__links a:hover,.text-button:hover{color:#fff}.text-button{border:0;background:transparent;padding:0;cursor:pointer}
.brandbar{border-bottom:1px solid var(--line)}.brandbar__inner{min-height:76px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}.brandbar__side{display:flex;align-items:center;gap:22px;min-width:0}.brandbar__side--right{justify-content:flex-end}.menu-button{min-height:44px;display:inline-flex;align-items:center;gap:10px;border:0;background:transparent;padding:0;cursor:pointer}.menu-button__mark{width:22px;display:grid;gap:5px}.menu-button__mark i{height:1px;background:#fff}.current-channel{overflow:hidden;color:var(--muted);font-size:13px;text-overflow:ellipsis;white-space:nowrap}.brand-logo{min-width:150px;display:grid;justify-items:center;line-height:1;text-align:center}.brand-logo img{max-width:146px;max-height:54px;object-fit:contain}.brand-logo__cn{font-size:25px;font-weight:900;letter-spacing:.34em;text-indent:.34em}.brand-logo__en{margin-top:8px;color:var(--muted);font-size:8px;font-weight:700;letter-spacing:.32em;text-indent:.32em}.brandbar__link,.brandbar__app{min-height:44px;display:flex;align-items:center;white-space:nowrap}.brandbar__app{padding:0 20px;background:#fff;color:#000;font-weight:800}
.channelbar{border-bottom:1px solid var(--line)}.channelbar__inner{display:flex;min-height:48px}.channel-nav{min-width:0;flex:1;display:flex;overflow-x:auto;scrollbar-width:none}.channel-nav::-webkit-scrollbar{display:none}.channel-nav__link{position:relative;min-height:48px;display:flex;align-items:center;padding:0 18px;color:var(--muted);font-size:14px;white-space:nowrap}.channel-nav__link:first-child{padding-left:0}.channel-nav__link:after{content:"";position:absolute;left:18px;right:18px;bottom:0;height:2px;background:#fff;transform:scaleX(0)}.channel-nav__link:first-child:after{left:0}.channel-nav__link:hover,.channel-nav__link.is-active{color:#fff}.channel-nav__link.is-active:after{transform:scaleX(1)}.more-menu{position:relative;border-left:1px solid var(--line)}.more-menu__button{height:100%;min-width:92px;border:0;background:#000;cursor:pointer}.more-menu__list{position:absolute;right:0;top:calc(100% + 1px);width:230px;padding:8px;background:#0b0b0b;border:1px solid var(--line);box-shadow:0 18px 46px rgba(0,0,0,.48)}.more-menu__list a{display:block;padding:11px 12px;color:var(--muted)}.more-menu__list a:hover,.more-menu__list a.is-active{background:#1a1a1a;color:#fff}
main{min-height:60vh}.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:radial-gradient(circle at 82% 18%,rgba(255,255,255,.07),transparent 30%),linear-gradient(90deg,#030303,#0b0b0b 60%,#050505)}.page-hero__inner{padding:92px 0 74px}.eyebrow,.section-kicker{margin:0 0 14px;color:#c7c7c7;font-size:12px;font-weight:800;letter-spacing:.2em;text-transform:uppercase}.page-hero h1,.home-hero h1{margin:0;max-width:960px;color:var(--title);font-size:clamp(42px,7vw,94px);line-height:1.04;letter-spacing:-.045em}.page-hero__lead{max-width:840px;margin:28px 0 0;color:#cfcfcf;font-size:clamp(17px,2vw,21px)}.page-hero__meta{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:30px;color:var(--muted);font-size:13px}
.section{padding:80px 0;border-bottom:1px solid var(--line)}.section--compact{padding:58px 0}.section-heading{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,460px);gap:48px;align-items:end;margin-bottom:42px}.section-title{margin:0;color:var(--title);font-size:clamp(30px,4vw,54px);line-height:1.16;letter-spacing:-.03em}.section-intro{margin:0;color:var(--muted)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.card-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}.content-card{min-width:0;padding:30px;background:var(--panel);border:1px solid var(--line);transition:.2s}.content-card:hover{transform:translateY(-3px);border-color:var(--line2);background:var(--panel2)}.content-card__index{display:block;margin-bottom:30px;color:var(--faint);font-size:12px;letter-spacing:.2em}.content-card__tag{display:inline-block;margin-bottom:14px;color:var(--muted);font-size:12px;letter-spacing:.1em}.content-card h3{margin:0 0 15px;color:#fff;font-size:23px;line-height:1.35}.content-card p{margin:0;color:var(--muted)}.content-card__meta{margin-top:20px!important;padding-top:17px;border-top:1px solid var(--line);color:#cfcfcf!important;font-size:13px}
.feature-split{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:42px}.feature-media{min-height:520px}.feature-media__image,.media-fallback{width:100%;height:100%;min-height:520px;object-fit:cover}.media-fallback{position:relative;display:flex;align-items:flex-end;padding:32px;overflow:hidden;background:linear-gradient(145deg,transparent 0 20%,rgba(255,255,255,.04) 20% 21%,transparent 21% 48%,rgba(255,255,255,.06) 48% 49%,transparent 49%),radial-gradient(circle at 70% 30%,rgba(255,255,255,.14),transparent 26%),#0d0d0d;border:1px solid var(--line)}.media-fallback span{font-size:12px;letter-spacing:.3em;color:#c7c7c7}.reading-panel{padding:38px;background:#ededed;color:#151515}.reading-panel h2{margin:0 0 20px;color:#000;font-size:clamp(30px,4vw,48px);line-height:1.2}.reading-panel p{color:#333}.reading-panel .section-kicker{color:#555}.feature-meta{margin-top:28px!important;padding-top:20px;border-top:1px solid #bbb;font-size:13px}
.process-list{counter-reset:process;border-top:1px solid var(--line)}.process-item{counter-increment:process;display:grid;grid-template-columns:84px 220px 1fr;gap:28px;padding:30px 0;border-bottom:1px solid var(--line)}.process-item:before{content:counter(process,decimal-leading-zero);color:var(--faint);font-size:13px;letter-spacing:.2em}.process-item h3{margin:0;color:#fff;font-size:21px}.process-item p{margin:0;color:var(--muted)}.prose{max-width:900px}.prose h3{margin:1.8em 0 .6em;color:#fff;font-size:26px}.prose p{margin:0 0 1.3em;color:#d2d2d2;font-size:17px}.quote-panel{padding:52px;border:1px solid var(--line2);background:#030303}.quote-panel blockquote{margin:0;color:#fff;font-size:clamp(26px,4vw,48px);line-height:1.4}.quote-panel p{margin:22px 0 0;color:var(--muted)}
.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{position:relative;padding:24px 50px 24px 0;color:#fff;font-size:18px;font-weight:700;cursor:pointer;list-style:none}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:24px}details[open] summary:after{content:"−"}details p{max-width:920px;margin:0;padding:0 0 26px;color:var(--muted)}
.related-links{display:flex;flex-wrap:wrap;gap:12px}.related-links a{min-height:44px;display:flex;align-items:center;padding:0 16px;border:1px solid var(--line)}.related-links a:hover{border-color:#fff}.notice{margin-top:34px;padding:24px 26px;border-left:3px solid #fff;background:var(--panel);color:#c8c8c8}.notice strong{display:block;margin-bottom:7px;color:#fff}
.home-hero{padding:56px 0 72px;border-bottom:1px solid var(--line)}.home-hero__grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(360px,.75fr);gap:52px}.home-hero__copy{display:flex;flex-direction:column;justify-content:center}.home-hero__copy p:not(.eyebrow){margin:28px 0 0;color:#c8c8c8;font-size:18px}.home-hero__media{min-height:650px}.home-hero__media .media-fallback,.home-hero__media img{min-height:650px}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.button{min-height:48px;display:flex;align-items:center;justify-content:center;padding:0 24px;border:1px solid transparent;font-weight:800;white-space:nowrap}.button--primary{background:#fff;color:#000}.button--secondary{border-color:rgba(255,255,255,.45)}.home-briefs{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.home-brief{padding:26px 28px;border-right:1px solid var(--line)}.home-brief:last-child{border-right:0}.home-brief strong{color:#fff}.home-brief p{margin:8px 0 0;color:var(--muted);font-size:14px}.home-brief a{display:inline-block;margin-top:12px;font-size:13px}
.calendar-list{border-top:1px solid var(--line)}.calendar-item{display:grid;grid-template-columns:1fr auto;gap:24px;padding:25px 0;border-bottom:1px solid var(--line)}.calendar-item h3{margin:0 0 8px;color:#fff}.calendar-item p{margin:0;color:var(--muted)}.status{align-self:start;padding:7px 10px;border:1px solid var(--line2);font-size:12px;white-space:nowrap}
.site-footer{padding:70px 0 28px;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:40px}.footer-brand{max-width:360px}.footer-logo{display:inline-grid;margin-bottom:22px;line-height:1}.footer-logo img{max-width:140px;max-height:54px;object-fit:contain}.footer-logo strong{font-size:26px;letter-spacing:.25em}.footer-logo span{margin-top:8px;color:var(--muted);font-size:9px;letter-spacing:.24em}.footer-brand p{margin:0;color:var(--muted);font-size:14px}.footer-group{display:grid;align-content:start;gap:9px}.footer-group h2{margin:0 0 10px;font-size:13px}.footer-group a{color:var(--muted);font-size:14px}.footer-note{display:flex;justify-content:space-between;gap:40px;margin-top:52px;padding-top:24px;border-top:1px solid var(--line);color:var(--faint);font-size:12px}.footer-note p{margin:0}.footer-note p:first-child{max-width:850px}
.overlay{position:fixed;inset:0;z-index:1800;visibility:hidden;opacity:0;pointer-events:none;background:rgba(0,0,0,.72);transition:.25s}.overlay.is-visible{visibility:visible;opacity:1;pointer-events:auto}.site-drawer{position:fixed;inset:0 auto 0 0;z-index:1900;width:min(520px,90vw);visibility:hidden;transform:translateX(-103%);pointer-events:none;background:#050505;border-right:1px solid var(--line);transition:.28s}.site-drawer.is-open{visibility:visible;transform:translateX(0);pointer-events:auto}.drawer-head{height:82px;display:flex;align-items:center;justify-content:space-between;padding:0 26px;border-bottom:1px solid var(--line)}.drawer-brand{display:grid;line-height:1}.drawer-brand img{max-width:130px;max-height:50px;object-fit:contain}.drawer-brand strong{font-size:23px;letter-spacing:.25em}.drawer-brand span{margin-top:7px;color:var(--muted);font-size:8px;letter-spacing:.24em}.round-close{width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:transparent;font-size:26px;cursor:pointer}.drawer-scroll{height:calc(100vh - 82px);overflow-y:auto;padding:22px 26px 60px}.drawer-group{padding:22px 0;border-bottom:1px solid var(--line)}.drawer-group h2{margin:0 0 12px;color:var(--faint);font-size:11px;letter-spacing:.16em}.drawer-item{display:grid;gap:5px;padding:13px 0}.drawer-item strong{font-size:17px}.drawer-item span{color:var(--muted);font-size:13px}
.search-panel{position:fixed;inset:0;z-index:2000;visibility:hidden;opacity:0;pointer-events:none;overflow-y:auto;background:rgba(0,0,0,.98);transition:.25s}.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto}.search-panel__head{min-height:84px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.search-panel__head p{color:var(--muted);font-size:13px}.search-panel__body{padding-top:72px;padding-bottom:100px}.search-label{display:block;margin-bottom:18px;font-size:clamp(28px,5vw,66px);font-weight:800}.search-input{width:100%;height:68px;padding:0 0 8px;border:0;border-bottom:2px solid #fff;border-radius:0;outline:0;background:transparent;color:#fff;font-size:24px}.search-hint{color:var(--faint);font-size:13px}.search-keywords{display:flex;flex-wrap:wrap;gap:10px;margin:34px 0 48px}.search-keywords button{min-height:40px;padding:0 14px;border:1px solid var(--line);background:transparent;cursor:pointer}.search-results{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.search-result{display:grid;gap:7px;padding:24px;background:#050505}.search-result:hover{background:var(--panel2)}.search-result span{color:var(--muted);font-size:13px}.search-empty{padding:24px;border:1px solid var(--line);color:var(--muted)}.mobile-dock{display:none}
@media(max-width:1080px){:root{--shell:min(100% - 36px,1320px)}.topline__inner{grid-template-columns:1fr auto}.topline__links--center{display:none}.home-hero__grid,.feature-split{grid-template-columns:1fr}.home-hero__media{order:2;min-height:520px}.home-hero__copy{order:1}.home-briefs{order:3}.footer-grid{grid-template-columns:2fr repeat(2,1fr)}.card-grid--4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){:root{--shell:calc(100% - 28px)}body{padding-bottom:calc(62px + env(safe-area-inset-bottom))}.topline__inner{min-height:30px;grid-template-columns:1fr auto;gap:10px}.topline__brand{overflow:hidden;font-size:10px;text-overflow:ellipsis}.topline__links--right a{display:none}.brandbar__inner{min-height:64px;gap:10px}.menu-button span:last-child,.current-channel,.brandbar__link{display:none}.brand-logo{min-width:112px}.brand-logo__cn{font-size:20px}.brandbar__app{min-height:40px;padding:0 13px;font-size:13px}.channelbar__inner{width:100%;padding-left:14px}.channel-nav__link{padding:0 13px;font-size:13px}.channel-nav__link:after{left:13px;right:13px}.more-menu__button{min-width:76px}.page-hero__inner{padding:64px 0 54px}.page-hero h1,.home-hero h1{font-size:clamp(38px,13vw,62px)}.section{padding:58px 0}.section-heading{grid-template-columns:1fr;gap:18px;margin-bottom:30px}.card-grid,.card-grid--2,.card-grid--4{grid-template-columns:1fr}.content-card{padding:24px}.feature-media,.feature-media__image,.media-fallback{min-height:420px}.reading-panel{padding:28px 24px}.process-item{grid-template-columns:52px 1fr;gap:12px 18px}.process-item p{grid-column:2}.quote-panel{padding:34px 24px}.home-hero{padding:38px 0 58px}.home-hero__grid{gap:34px}.home-hero__copy p:not(.eyebrow){font-size:16px}.home-hero__media,.home-hero__media .media-fallback,.home-hero__media img{min-height:430px}.home-briefs{grid-template-columns:1fr}.home-brief{border-right:0;border-bottom:1px solid var(--line)}.calendar-item{grid-template-columns:1fr}.status{justify-self:start}.footer-grid{grid-template-columns:1fr 1fr;gap:30px 20px}.footer-brand{grid-column:1/-1}.footer-note{display:grid;gap:18px}.search-results{grid-template-columns:1fr}.mobile-dock{position:fixed;inset:auto 0 0;z-index:1500;display:grid;grid-template-columns:repeat(5,1fr);padding-bottom:env(safe-area-inset-bottom);background:rgba(5,5,5,.98);border-top:1px solid var(--line)}.mobile-dock a{min-height:58px;display:grid;place-content:center;gap:3px;color:var(--faint);font-size:10px;text-align:center}.mobile-dock a span{font-size:16px}.mobile-dock a.is-active{color:#fff}body.is-locked .mobile-dock{visibility:hidden;pointer-events:none}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}