:root{
--bg:#050505;--bg-deep:#0a0a0a;--card:#111;--hover:#191919;--light:#efefef;--text:#d8d8d8;--muted:#a3a3a3;--white:#fafafa;--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%);--header-h:102px;--shell:1320px;--z-header:40;--z-bottom:35;--z-overlay:80;--z-drawer:90;--z-search:75}
*{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;line-height:1.8;overflow-x:hidden}body.is-locked{overflow:hidden}img{display:block;max-width:100%;height:auto}a,button{position:relative;z-index:2;pointer-events:auto;touch-action:manipulation}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(var(--shell),calc(100% - 56px));margin-inline:auto}.skip-link{position:fixed;top:8px;left:8px;transform:translateY(-150%);background:#fff;color:#000;padding:8px 12px;z-index:200}.skip-link:focus{transform:none}.site-header{position:fixed;inset:0 0 auto 0;z-index:var(--z-header)}.brand-rail{height:68px;background:linear-gradient(90deg,#050505,#171717);border-bottom:1px solid rgba(255,255,255,.28)}.brand-row{height:68px;display:flex;align-items:center;gap:28px}.brand{display:inline-flex;align-items:center;min-width:150px}.brand-logo{height:34px!important;width:auto!important;object-fit:contain}.brand-fallback{display:flex;align-items:baseline;gap:8px;white-space:nowrap}.brand-fallback strong{color:#fff;font-size:22px}.brand-fallback small{color:#aaa;font-size:11px;letter-spacing:.12em}.desktop-main-nav{display:flex;align-items:center;gap:8px;flex:1}.desktop-main-nav a,.channel-row a{padding:8px 10px;color:#bbb}.desktop-main-nav a.is-current{background:#efefef;color:#111;border-radius:6px}.desktop-main-nav a:not(.is-current):hover,.channel-row a:hover{color:#fff}.header-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.icon-button,.app-link,.text-link{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border:1px solid var(--line);border-radius:7px;background:#0d0d0d;color:#f4f4f4;cursor:pointer}.icon-button:hover,.icon-button:focus-visible,.app-link:hover,.text-link:hover{background:#f4f4f4;color:#111;border-color:#f4f4f4}.mobile-menu-button{display:none}.channel-rail{height:34px;background:#0b0b0b;border-bottom:1px solid var(--line)}.channel-row{height:34px;display:flex;align-items:center;justify-content:center;gap:14px}.channel-row nav{display:flex;gap:6px;font-size:13px}.channel-row a{padding:4px 10px}.channel-row a.is-current{color:#fff;text-decoration:underline;text-underline-offset:5px}.rail-line{width:36px;height:1px;background:#aaa}.site-main{padding-top:var(--header-h)}.hero,.section{padding:68px 0;border-bottom:1px solid var(--line)}.hero{padding-top:44px}.eyebrow{display:inline-block;color:#9f9f9f;font-size:12px;letter-spacing:.18em;text-transform:uppercase}.hero h1,.page-hero h1{font-size:clamp(30px,5vw,64px);line-height:1.1;margin:.25em 0;color:#fafafa;letter-spacing:-.02em}.section h2,.page-section h2{font-size:clamp(24px,3vw,38px);line-height:1.25;color:#fff;margin:.2em 0 .65em}.section h3,.page-section h3{color:#fff;margin:.2em 0 .5em}.lead{font-size:18px;color:#cfcfcf;max-width:900px}.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:8px}.media-frame img{width:100%;height:100%;object-fit:contain;object-position:center}.hero-media{max-height:520px;min-height:240px}.hero-media img{max-height:520px}.media-placeholder{display:flex;align-items:center;justify-content:center;min-height:220px;width:100%;background:linear-gradient(145deg,#050505,#202020);border:1px solid var(--line);color:#aaa;border-radius:8px}.cover-copy{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:end;margin-top:28px}.cover-copy p{max-width:840px;margin:0}.link-row{display:flex;gap:10px;flex-wrap:wrap}.index-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.index-card{background:#0b0b0b;padding:26px;min-height:170px}.index-card .num{font-size:34px;color:#666}.index-card h3{font-size:20px}.two-col{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:38px;align-items:center}.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.four-col{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{background:var(--grad-card);border:1px solid var(--line);border-radius:10px;padding:22px}.card:hover{border-color:var(--line-hi)}.card p{color:#bdbdbd}.card .media-frame{margin-bottom:18px;aspect-ratio:16/9}.stack{display:grid;gap:16px}.feature-list{margin:18px 0 0;padding:0;list-style:none}.feature-list li{padding:11px 0;border-top:1px solid var(--line)}.film-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line)}.film-strip article{padding:20px;border-right:1px solid var(--line)}.film-strip article:last-child{border-right:0}.timeline{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.timeline div{border-top:1px solid #777;padding-top:12px}.timeline strong{display:block;color:#fff}.editorial-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.editorial{background:#efefef;color:#151515;padding:28px;border-radius:8px}.editorial h3{color:#111}.editorial .note{font-weight:700}.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.status{border:1px solid var(--line);padding:18px;background:#0b0b0b}.status strong{color:#fff}.light-section{background:#efefef;color:#151515}.light-section h2,.light-section h3{color:#151515}.light-section p{color:#333}.app-layout{display:grid;grid-template-columns:minmax(220px,.48fr) 1fr;gap:36px;align-items:center}.app-visual{max-height:460px}.app-visual img{max-height:460px;width:auto}.app-icon{width:64px!important;height:64px!important;object-fit:contain!important;border-radius:12px}.page-hero{padding:64px 0 36px;border-bottom:1px solid var(--line);background:var(--grad-dark)}.page-hero .hero-grid{display:grid;grid-template-columns:1fr;gap:24px}.page-hero .media-frame{margin-top:18px}.page-section{padding:54px 0;border-bottom:1px solid var(--line)}.prose{max-width:920px}.prose p{margin:0 0 1.2em}.meta-table{display:grid;grid-template-columns:repeat(2,1fr);border:1px solid var(--line);border-radius:8px;overflow:hidden}.meta-table div{padding:16px 18px;border-bottom:1px solid var(--line);background:#0c0c0c}.meta-table div:nth-child(odd){border-right:1px solid var(--line)}.meta-table strong{display:block;color:#fff}.article-list{display:grid;gap:14px}.article-list article{padding:22px;border:1px solid var(--line);background:#0b0b0b}.numbered-list{counter-reset:item;display:grid;gap:14px}.numbered-list article{counter-increment:item;position:relative;padding:22px 22px 22px 72px;border:1px solid var(--line);background:#0b0b0b}.numbered-list article:before{content:counter(item,decimal-leading-zero);position:absolute;left:22px;top:18px;font-size:24px;color:#777}.faq-list details{border-top:1px solid var(--line);padding:16px 0}.faq-list summary{cursor:pointer;color:#fff;font-size:18px}.faq-list p{max-width:900px}.notice{border-left:3px solid #ddd;padding:14px 18px;background:#101010}.search-panel{position:fixed;top:102px;left:0;right:0;z-index:var(--z-search);background:#0d0d0d;border-bottom:1px solid var(--line);box-shadow:0 16px 40px rgba(0,0,0,.45)}.search-panel[hidden]{display:none}.search-inner{padding:26px 0 30px}.search-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.search-head h2{margin:4px 0 18px;color:#fff}.search-inner label{display:block;color:#aaa;margin-bottom:6px}.search-inner input{width:100%;height:50px;border:1px solid #444;background:#090909;color:#fff;padding:0 14px;border-radius:6px}.search-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.search-links a{border:1px solid var(--line);padding:8px 14px;border-radius:6px}.site-overlay{position:fixed;inset:0;background:rgba(0,0,0,.68);z-index:var(--z-overlay);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s ease,visibility .22s}.site-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.channel-drawer{position:fixed;right:0;top:0;height:100dvh;width:min(92vw,380px);overflow-y:auto;background:linear-gradient(160deg,#151515,#050505 72%);z-index:var(--z-drawer);transform:translateX(104%);opacity:0;visibility:hidden;pointer-events:none;transition:transform .26s ease,opacity .22s ease,visibility .22s;padding:24px}.channel-drawer.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.drawer-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:16px}.drawer-head h2{margin:4px 0;color:#fff}.drawer-logo{padding:18px 0}.drawer-groups{display:grid;gap:22px}.drawer-groups h3{color:#fff;font-size:14px;letter-spacing:.12em}.drawer-link{display:block;padding:10px 0;border-top:1px solid var(--line)}.drawer-link strong{display:block;color:#fff}.drawer-link span{display:block;color:#999;font-size:13px}.site-footer{background:linear-gradient(180deg,#0a0a0a,#171717);border-top:1px solid rgba(255,255,255,.28);padding:52px 0 calc(24px + env(safe-area-inset-bottom))}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:30px}.footer-grid nav{display:grid;align-content:start;gap:7px}.footer-grid h3{color:#fff;margin:0 0 8px}.footer-grid a{color:#aaa}.footer-grid a:hover{color:#fff}.footer-brand p{color:#aaa;max-width:420px}.footer-bottom{border-top:1px solid var(--line);margin-top:34px;padding-top:18px;color:#888;font-size:13px;display:flex;justify-content:space-between;gap:30px}.mobile-bottom-nav{display:none}.icon-button:focus-visible,.app-link:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid #fff;outline-offset:2px}.muted{color:#999}.center{text-align:center}
@media(max-width:980px){.desktop-main-nav{display:none}.desktop-menu-button,.app-link{display:none}.mobile-menu-button{display:inline-flex}.channel-rail{display:none}:root{--header-h:68px}.site-main{padding-top:68px}.search-panel{top:68px}.index-grid{grid-template-columns:repeat(2,1fr)}.three-col,.four-col{grid-template-columns:repeat(2,1fr)}.timeline{grid-template-columns:repeat(3,1fr)}.status-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:2fr repeat(2,1fr)}.footer-brand{grid-row:span 2}}
@media(max-width:700px){.shell{width:min(100% - 32px,var(--shell))}.brand-row{gap:10px}.brand{min-width:0;flex:1}.brand-logo{height:30px!important}.header-actions{gap:6px}.icon-button{padding:0 11px}.hero,.section{padding:46px 0}.hero-media{max-height:320px;min-height:180px}.hero-media img{max-height:320px}.cover-copy,.two-col,.app-layout{grid-template-columns:1fr}.index-grid,.three-col,.four-col,.editorial-grid,.status-grid{grid-template-columns:1fr}.film-strip{grid-template-columns:1fr}.film-strip article{border-right:0;border-bottom:1px solid var(--line)}.film-strip article:last-child{border-bottom:0}.timeline{grid-template-columns:repeat(2,1fr)}.meta-table{grid-template-columns:1fr}.meta-table div:nth-child(odd){border-right:0}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1;grid-row:auto}.footer-bottom{flex-direction:column}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;height:calc(56px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);z-index:var(--z-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:linear-gradient(180deg,#090909,#181818);border-top:1px solid rgba(255,255,255,.2)}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;min-height:56px;color:#bbb;font-size:13px}.mobile-bottom-nav a.is-current{background:#fff;color:#111}.site-footer{padding-bottom:calc(80px + env(safe-area-inset-bottom))}.numbered-list article{padding-left:62px}.numbered-list article:before{left:16px}.site-main{overflow:hidden}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}