:root{
  --bg:#050505;--deep:#0a0a0a;--card:#111;--hover:#191919;--light:#efefef;
  --title:#fafafa;--text:#d8d8d8;--muted:#a3a3a3;--dark:#151515;
  --line:rgba(255,255,255,.14);--line-hi:rgba(255,255,255,.42);
  --grad-dark:linear-gradient(135deg,#050505 0%,#171717 52%,#090909 100%);
  --grad-screen:linear-gradient(120deg,#f5f5f5 0%,#bdbdbd 48%,#fff 100%);
  --grad-card:linear-gradient(160deg,#1b1b1b 0%,#0d0d0d 70%,#050505 100%);
  --shell:1320px;--brand-h:68px;--channel-h:34px;--header-h:102px;
  --z-header:40;--z-search:75;--z-overlay:70;--z-drawer:80;--z-mobile:30;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}body.is-locked{overflow:hidden}a,button{position:relative;z-index:2;pointer-events:auto;touch-action:manipulation}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%;height:auto}.shell{width:min(calc(100% - 56px),var(--shell));margin-inline:auto}.skip-link{position:fixed;left:12px;top:8px;transform:translateY(-140%);background:#fff;color:#000;padding:8px 12px;z-index:999}.skip-link:focus{transform:none}.site-header{position:fixed;inset:0 0 auto;z-index:var(--z-header)}.brand-rail{height:var(--brand-h);background:linear-gradient(90deg,#050505,#171717);border-bottom:1px solid rgba(255,255,255,.3)}.brand-row{height:100%;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:26px}.brand{min-width:150px;display:inline-flex;align-items:center}.brand img{max-height:36px;width:auto}.brand-fallback{display:flex;align-items:baseline;gap:10px}.brand-fallback strong{font-size:24px;color:#fff}.brand-fallback small{font-size:11px;letter-spacing:.18em;color:#bbb}.primary-nav{display:flex;justify-content:center;align-items:stretch;height:100%;gap:3px}.primary-nav a{display:flex;align-items:center;padding:0 15px;color:#cfcfcf;border-bottom:2px solid transparent}.primary-nav a:hover,.primary-nav a:focus-visible{background:#181818;color:#fff}.primary-nav a.is-current{color:#111;background:#efefef;border-bottom-color:#fff}.header-actions{display:flex;align-items:center;gap:8px}.icon-button,.channel-button,.close-button{min-height:44px;border:1px solid var(--line-hi);background:#0d0d0d;color:#f6f6f6;border-radius:7px;padding:0 13px}.app-link{min-height:44px;display:flex;align-items:center;padding:0 8px;color:#e7e7e7}.channel-rail{height:var(--channel-h);background:#0b0b0b;border-bottom:1px solid var(--line)}.secondary-nav{height:100%;display:flex;justify-content:center;align-items:center;gap:26px;font-size:13px;letter-spacing:.06em;color:#aaa}.secondary-nav::before,.secondary-nav::after{content:"";width:54px;height:1px;background:#777;pointer-events:none}.secondary-nav a.is-current,.secondary-nav a:hover{color:#fff}.site-main{padding-top:var(--header-h);min-height:70vh}.page-hero,.section{padding:72px 0}.page-hero{background:var(--grad-dark);border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.6fr);gap:44px;align-items:end}.eyebrow{display:inline-block;color:#bdbdbd;text-transform:uppercase;letter-spacing:.2em;font-size:12px}.page-hero h1,.cover-copy h1{font-size:clamp(30px,5vw,64px);line-height:1.08;margin:12px 0 20px;color:var(--title);letter-spacing:-.03em}.lead{font-size:clamp(17px,1.8vw,20px);color:#dcdcdc;max-width:760px}.hero-aside{border-left:1px solid var(--line-hi);padding-left:24px;color:#b7b7b7}.section{border-bottom:1px solid var(--line)}.section.light{background:var(--light);color:var(--dark)}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:30px}.section-head h2{font-size:clamp(24px,3.1vw,38px);line-height:1.2;margin:0;color:inherit}.section-head p{max-width:680px;margin:0;color:var(--muted)}.section.light .section-head p{color:#555}.grid-2,.grid-3,.grid-4,.grid-6{display:grid;gap:20px}.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))}.grid-6{grid-template-columns:repeat(6,minmax(0,1fr))}.card{background:var(--grad-card);border:1px solid var(--line);border-radius:10px;padding:24px}.card h3{margin:0 0 12px;color:#fff;font-size:21px}.card p{margin:0;color:#bcbcbc}.light .card{background:#fff;border-color:#cfcfcf}.light .card h3{color:#111}.light .card p{color:#4f4f4f}.number-card .num{display:block;font-size:12px;color:#9e9e9e;letter-spacing:.2em;border-bottom:1px solid var(--line);padding-bottom:11px;margin-bottom:18px}.text-link{display:inline-flex;min-height:44px;align-items:center;border-bottom:1px solid currentColor;padding:0 2px}.action-row{display:flex;gap:20px;flex-wrap:wrap;margin-top:24px}.media-frame{display:flex;align-items:center;justify-content:center;overflow:hidden;background:linear-gradient(145deg,#050505,#202020);border:1px solid var(--line);border-radius:10px;aspect-ratio:var(--media-ratio,16/9)}.media-frame img{width:100%;height:100%;object-fit:contain;object-position:center}.media-placeholder{min-height:220px}.media-placeholder span{color:#999;font-size:15px;letter-spacing:.12em}.cover-media{max-height:520px}.cover-media img{max-height:520px}.cover-copy{display:grid;grid-template-columns:1fr auto;gap:36px;align-items:end;padding:32px 0 74px}.cover-copy p{max-width:760px;margin:0}.feature-split{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(300px,.9fr);gap:42px;align-items:center}.feature-copy h2{font-size:clamp(28px,4vw,46px);line-height:1.15;margin:0 0 18px;color:#fff}.feature-copy p{color:#cfcfcf}.feature-copy ul{padding-left:20px}.article-list{display:grid;gap:14px}.article-list article{border-top:1px solid var(--line);padding-top:17px}.article-list h3{margin:0 0 8px;color:#fff}.timeline{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;counter-reset:step}.timeline article{padding:20px 16px;border-top:1px solid var(--line-hi);background:#0e0e0e}.timeline article::before{counter-increment:step;content:counter(step,decimal-leading-zero);display:block;color:#777;font-size:12px;letter-spacing:.14em;margin-bottom:28px}.timeline h3{margin:0 0 8px;color:#fff}.status-card{min-height:180px;display:flex;flex-direction:column;justify-content:space-between}.tag{display:inline-flex;align-items:center;min-height:32px;border:1px solid var(--line-hi);padding:0 10px;border-radius:5px;font-size:13px;color:#ddd}.prose{max-width:880px}.prose h2{font-size:30px;line-height:1.25;color:#fff;margin:44px 0 16px}.prose h3{font-size:22px;color:#fff;margin:34px 0 10px}.prose p,.prose li{color:#c8c8c8}.prose strong{color:#fff}.light .prose h2,.light .prose h3,.light .prose strong{color:#111}.light .prose p,.light .prose li{color:#3f3f3f}.info-table{display:grid;border-top:1px solid var(--line)}.info-row{display:grid;grid-template-columns:170px 1fr;border-bottom:1px solid var(--line);padding:15px 0}.info-row dt{color:#969696}.info-row dd{margin:0;color:#ddd}.notice{border:1px solid var(--line-hi);border-left-width:4px;padding:20px 22px;background:#0b0b0b;border-radius:8px}.light .notice{background:#fff;border-color:#999}.drawer-head,.search-head{display:flex;justify-content:space-between;align-items:center;gap:20px}.site-overlay{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:var(--z-overlay)}.site-overlay[hidden]{display:none}.channel-drawer{position:fixed;right:0;top:0;width:min(92vw,380px);height:100dvh;overflow:auto;background:linear-gradient(160deg,#171717,#050505 70%);z-index:var(--z-drawer);border-left:1px solid var(--line-hi);padding:24px;transition:opacity .22s ease,transform .22s ease,visibility .22s;visibility:hidden;opacity:0;pointer-events:none;transform:translateX(28px)}.channel-drawer[aria-hidden="false"]{visibility:visible;opacity:1;pointer-events:auto;transform:none}.drawer-head{position:sticky;top:-24px;background:#111;padding:24px 0 18px;z-index:3}.drawer-head h2,.search-head h2{margin:4px 0 0;color:#fff}.drawer-group{padding:20px 0;border-top:1px solid var(--line)}.drawer-group h3{font-size:13px;letter-spacing:.16em;color:#8d8d8d}.drawer-group a{display:block;padding:12px 8px;border-radius:6px}.drawer-group a:hover,.drawer-group a:focus-visible{background:#1a1a1a}.drawer-group strong,.drawer-group span{display:block}.drawer-group span{color:#999;font-size:13px;margin-top:2px}.search-panel{position:fixed;top:var(--header-h);left:0;right:0;z-index:var(--z-search);background:#101010;border-bottom:1px solid var(--line-hi);padding:26px 0}.search-panel[hidden]{display:none}.search-inner label{display:block;margin:18px 0 7px;color:#aaa}.search-inner input{width:100%;min-height:50px;border:1px solid var(--line-hi);background:#050505;color:#fff;border-radius:7px;padding:0 14px;outline:none}.search-inner input:focus{border-color:#fff}.search-links{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-top:16px}.search-links a{display:flex;min-height:48px;align-items:center;justify-content:center;border:1px solid var(--line);background:#161616;border-radius:6px}.mobile-bottom{display:none}.site-footer{background:linear-gradient(180deg,#111,#050505);border-top:1px solid var(--line-hi);padding:54px 0 28px}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:34px}.footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:18px}.footer-logo img{height:34px;width:auto}.footer-logo span{display:grid}.footer-logo small{color:#888;font-size:11px;letter-spacing:.15em}.footer-brand p{color:#a9a9a9;max-width:460px}.footer-grid nav{display:grid;align-content:start;gap:7px}.footer-grid nav h2{font-size:14px;color:#fff;margin:0 0 8px}.footer-grid nav a{color:#a8a8a8}.footer-grid nav a:hover{color:#fff}.footer-note{border-top:1px solid var(--line);margin-top:34px;padding-top:22px;color:#858585;font-size:13px;display:flex;justify-content:space-between;gap:28px}.faq-list{display:grid;gap:16px}.faq-item{border:1px solid var(--line);padding:22px;border-radius:8px;background:#0d0d0d}.faq-item h2{font-size:20px;color:#fff;margin:0 0 10px}.faq-item p{margin:0;color:#bdbdbd}.article-pair{display:grid;grid-template-columns:1fr 1fr;gap:34px}.article-pair article{border-top:1px solid var(--line-hi);padding-top:24px}.article-pair .opinion{font-size:12px;letter-spacing:.13em;color:#a0a0a0}.article-pair h2{color:#fff;font-size:30px}.article-pair p{color:#c8c8c8}.chip-list{display:flex;flex-wrap:wrap;gap:10px}.chip-list span{border:1px solid var(--line);padding:8px 12px;border-radius:5px;color:#bbb}
:focus-visible{outline:2px solid #fff;outline-offset:3px}@media(max-width:1100px){.primary-nav a{padding:0 9px}.brand-row{gap:14px}.grid-6{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:2fr repeat(2,1fr)}.footer-brand{grid-row:span 2}.timeline{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){:root{--header-h:68px}.shell{width:min(calc(100% - 32px),var(--shell))}.channel-rail,.primary-nav,.channel-button,.app-link{display:none}.brand-row{grid-template-columns:minmax(0,1fr) auto}.brand{min-width:0}.brand img{max-width:150px}.header-actions{gap:8px}.icon-button::after{content:""}.header-actions::after{content:""}.header-actions{position:relative}.header-actions .icon-button{font-size:0;width:44px;padding:0}.header-actions .icon-button::before{content:"⌕";font-size:24px}.header-actions::after{content:"菜单";display:flex;align-items:center;justify-content:center;min-width:52px;height:44px;border:1px solid var(--line-hi);border-radius:7px;color:#fff;font-size:13px;cursor:pointer;pointer-events:none}.channel-button{display:block;position:absolute;right:0;width:52px;height:44px;opacity:0}.site-main{padding-top:68px;padding-bottom:calc(56px + env(safe-area-inset-bottom))}.page-hero,.section{padding:48px 0}.hero-grid,.cover-copy,.feature-split,.article-pair{grid-template-columns:1fr}.hero-aside{border-left:0;border-top:1px solid var(--line-hi);padding:18px 0 0}.cover-media,.cover-media img{max-height:320px}.cover-copy{gap:16px;padding:24px 0 50px}.grid-2,.grid-3,.grid-4,.grid-6{grid-template-columns:1fr}.timeline{grid-template-columns:1fr 1fr}.search-panel{top:68px}.search-links{grid-template-columns:repeat(2,1fr)}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:calc(56px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:linear-gradient(90deg,#090909,#181818);border-top:1px solid rgba(255,255,255,.22);z-index:var(--z-mobile)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:56px;color:#cfcfcf;font-size:13px}.mobile-bottom a.is-current{background:#fff;color:#111}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1;grid-row:auto}.footer-note{display:block}.info-row{grid-template-columns:1fr;gap:4px}.section-head{display:block}.section-head p{margin-top:10px}.media-placeholder{min-height:170px}.article-pair article h2{font-size:25px}}
@media(max-width:420px){.timeline{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.page-hero h1,.cover-copy h1{font-size:36px}.channel-drawer{width:92vw}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}