: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%);--shell:1320px;--header:102px;--z-header:40;--z-overlay:70;--z-search:80;--z-drawer:90;--z-bottom:35}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}body.is-locked{overflow:hidden}a,button,input{font:inherit}a,button{position:relative;z-index:2;pointer-events:auto;touch-action:manipulation}a{color:inherit;text-decoration:none}button{color:inherit;background:none;border:0;cursor:pointer}img{display:block;max-width:100%;height:auto}.shell{width:min(calc(100% - 56px),var(--shell));margin-inline:auto}.site-main{padding-top:var(--header);min-height:60vh}.site-header{position:fixed;inset:0 0 auto;z-index:var(--z-header);background:#050505}.brand-rail{height:68px;background:linear-gradient(90deg,#050505,#171717);border-bottom:1px solid rgba(255,255,255,.28)}.brand-rail-inner{height:100%;display:flex;align-items:center;gap:28px}.brand-link{display:flex;align-items:center;gap:10px;min-width:190px}.brand-logo-wrap{display:flex;align-items:center}.brand-logo,.drawer-logo,.footer-logo{height:34px;width:auto;max-width:130px;object-fit:contain}.brand-text-fallback{display:flex;flex-direction:column;line-height:1.05}.brand-text-fallback strong{color:#fff;font-size:16px}.brand-text-fallback small{font-size:10px;color:#bdbdbd;letter-spacing:.12em}.brand-logo-wrap img+.brand-text-fallback{display:none}.desktop-main-nav{display:flex;gap:6px;align-items:center;margin:auto}.desktop-main-nav a{padding:9px 12px;border-bottom:1px solid transparent;color:#c9c9c9}.desktop-main-nav a:hover,.desktop-main-nav a:focus-visible,.desktop-main-nav a.is-current{color:#fff;border-bottom-color:#fff}.header-actions{display:flex;align-items:center;gap:8px}.icon-button,.channel-button,.app-link{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 12px;border:1px solid var(--line);border-radius:6px;color:#e8e8e8}.icon-button:hover,.channel-button:hover,.app-link:hover,.icon-button:focus-visible,.channel-button:focus-visible,.app-link:focus-visible{border-color:var(--line-hi);background:#1a1a1a;outline:none}.channel-rail{height:34px;background:#0a0a0a}.channel-rail-inner{height:100%;display:flex;align-items:center;gap:16px}.channel-rail nav{display:flex;gap:24px;margin:auto}.channel-rail a{font-size:13px;color:#aaa}.channel-rail a:hover,.channel-rail a.is-current{color:#fff}.rail-line{width:48px;height:1px;background:#777}.search-panel{position:fixed;top:68px;left:0;right:0;z-index:var(--z-search);background:linear-gradient(180deg,#111,#080808);border-bottom:1px solid var(--line);opacity:0;visibility:hidden;pointer-events:none;transition:.22s ease}.search-panel.is-open{opacity:1;visibility:visible;pointer-events:auto}.search-panel-inner{padding:24px 0 30px}.search-heading-row{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.search-heading-row h2{margin:4px 0 0;color:#fff}.search-heading-row small,.eyebrow,.section-heading span,.opinion-tag{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#9c9c9c}.search-label{display:block;margin-top:18px;color:#bbb}.search-panel input{width:100%;margin-top:8px;background:#0b0b0b;border:1px solid var(--line);color:#fff;border-radius:6px;padding:14px 16px;min-height:50px}.search-panel input:focus{outline:1px solid #aaa}.quick-links{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-top:14px}.quick-links a{border:1px solid var(--line);padding:12px;border-radius:6px;text-align:center;background:#101010}.quick-links a:hover{background:#1b1b1b}.overlay{position:fixed;inset:0;z-index:var(--z-overlay);background:rgba(0,0,0,.66);opacity:0;visibility:hidden;pointer-events:none;transition:.22s ease}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.channel-drawer{position:fixed;right:0;top:0;height:min(100dvh,100%);width:380px;max-width:92vw;z-index:var(--z-drawer);background:linear-gradient(150deg,#151515,#070707 70%,#111);border-left:1px solid var(--line);padding:22px;overflow-y:auto;transform:translateX(102%);opacity:0;visibility:hidden;pointer-events:none;transition:.22s ease}.channel-drawer.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.drawer-head{display:flex;justify-content:space-between;align-items:flex-start}.drawer-head h2{margin:0;color:#fff}.drawer-brand{padding:20px 0;border-bottom:1px solid var(--line)}.drawer-groups{display:grid;gap:20px;padding:20px 0}.drawer-group h3{font-size:13px;color:#aaa;letter-spacing:.14em}.drawer-group a{display:grid;grid-template-columns:72px 1fr;gap:12px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.08)}.drawer-group a span{color:#fff}.drawer-group a small{color:#999}.editorial-hero{padding-top:34px}.media-frame{display:flex;align-items:center;justify-content:center;overflow:hidden;background:linear-gradient(145deg,#050505,#202020);border:1px solid var(--line)}.media-frame img{width:100%;height:100%;object-fit:contain;object-position:center}.media-placeholder{width:100%;min-height:220px;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#050505,#202020);color:#888}.hero-media{max-height:520px;min-height:260px}.hero-media img{max-height:520px}.hero-caption{padding:28px 0 10px;border-bottom:1px solid var(--line)}.split-caption{display:grid;grid-template-columns:1.6fr .7fr;gap:40px;align-items:end}.hero-caption h1,.page-hero h1{font-size:clamp(30px,5vw,64px);line-height:1.08;margin:.2em 0;color:#fff;letter-spacing:-.03em}.hero-caption p,.page-hero p{font-size:clamp(16px,2vw,18px);max-width:840px;color:#c8c8c8}.text-actions{display:flex;flex-wrap:wrap;gap:10px}.text-actions a,.inline-link{display:inline-flex;align-items:center;min-height:44px;padding:8px 12px;border-bottom:1px solid #fff;color:#fff}.section-block{padding:78px 0;border-bottom:1px solid rgba(255,255,255,.09)}.section-heading{margin-bottom:28px}.section-heading h2{font-size:clamp(26px,3vw,38px);margin:4px 0;color:#fff}.index-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.index-grid a{padding:28px;min-height:210px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--grad-card)}.index-grid strong,.numbered-list b{font-size:13px;color:#888}.index-grid h3,.editorial-card h3,.feature-copy h2,.archive-copy h2,.app-feature h2{color:#fff;font-size:clamp(22px,2.5vw,32px);margin:.4em 0}.index-grid p,.editorial-card p{color:#aaa}.two-column-feature{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:44px;align-items:center}.two-column-feature.reverse .feature-media{order:2}.feature-media,.wide-media,.card-media{aspect-ratio:16/9}.feature-copy p{color:#bdbdbd}.line-list{padding:0;list-style:none}.line-list li{padding:10px 0;border-bottom:1px solid var(--line)}.three-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.editorial-card{background:var(--grad-card);border:1px solid var(--line);padding:14px;border-radius:8px}.editorial-card a{display:inline-block;margin-top:10px;border-bottom:1px solid #aaa}.archive-feature{display:grid;gap:28px}.horizontal-summaries{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line);margin-top:18px}.horizontal-summaries article{padding:18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.horizontal-summaries p{color:#999}.role-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.role-grid>a,.role-grid.large article{padding:20px;border:1px solid var(--line);background:#101010}.role-grid>a small{display:block;color:#888}.role-grid.large{grid-template-columns:repeat(3,1fr)}.timeline{list-style:none;padding:0;margin:18px 0}.timeline li{display:grid;grid-template-columns:72px 1fr;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}.timeline b{color:#fff}.essay-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px}.essay-pair article{padding:28px;background:linear-gradient(160deg,#181818,#090909);border:1px solid var(--line);border-radius:8px}.essay-pair h3{font-size:28px;color:#fff}.essay-pair span{font-size:12px;color:#aaa}.status-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:18px 0}.status-grid span,.status-matrix article span{border:1px solid var(--line-hi);padding:12px;color:#fff}.app-feature{display:grid;grid-template-columns:.7fr 1.3fr;gap:50px;align-items:center}.app-media-stack{display:grid;gap:12px}.app-poster{max-height:460px}.app-poster img{max-height:460px}.app-icon-wrap{width:72px;height:72px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;background:#111}.app-icon{width:64px;height:64px;object-fit:contain}.closing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.closing-grid article{border-top:1px solid var(--line-hi);padding-top:18px}.closing-grid h2{color:#fff}.page-hero{padding-top:70px;padding-bottom:40px;border-bottom:1px solid var(--line)}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:50px;align-items:start}.article-layout article h2,.longread h2,.summary-box h2{color:#fff;font-size:30px;margin-top:1.7em}.article-layout article h2:first-child{margin-top:0}.article-layout p,.longread p{color:#c3c3c3}.side-note{position:sticky;top:130px;padding:22px;border:1px solid var(--line);background:#0c0c0c}.side-note h3{color:#fff}.side-note a{display:block;border-bottom:1px solid var(--line);padding:8px 0}.data-table{border-top:1px solid var(--line)}.data-table div{display:grid;grid-template-columns:170px 1fr;gap:20px;padding:14px 0;border-bottom:1px solid var(--line)}.data-table b{color:#fff}.numbered-list{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.numbered-list article{padding:24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.numbered-list h2,.numbered-list h3{color:#fff}.film-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.film-strip article{min-height:250px;padding:24px;border:1px solid var(--line);background:linear-gradient(180deg,#161616,#080808)}.film-strip span,.production-steps span,.article-index span,.manifesto-grid span{color:#888;font-size:12px}.film-strip h2,.category-grid h2,.production-steps h2{font-size:22px;color:#fff}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.category-grid article{padding:24px;border:1px solid var(--line);background:#0d0d0d}.category-grid article span{font-size:12px;letter-spacing:.12em;color:#999}.production-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.production-steps article{padding:24px;border:1px solid var(--line);min-height:240px}.article-index{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.article-index a{padding:24px;border:1px solid var(--line)}.article-index h2{color:#fff}.longread{max-width:960px}.opinion-tag{display:inline-block;border:1px solid var(--line);padding:6px 9px}.status-matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.status-matrix article{padding:24px;border:1px solid var(--line)}.manifesto-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.manifesto-grid article{padding:30px;border-top:1px solid var(--line-hi);background:linear-gradient(180deg,#0e0e0e,#080808)}.manifesto-grid h2{color:#fff}.clause-list{display:grid;gap:12px}.clause-list article{display:grid;grid-template-columns:70px 220px 1fr;gap:24px;padding:22px;border-top:1px solid var(--line)}.clause-list h2{margin:0;color:#fff}.summary-box{padding:30px;border:1px solid var(--line-hi);background:linear-gradient(130deg,#ededed,#bdbdbd,#fff);color:#181818}.summary-box h2,.summary-box p{color:#181818;margin-top:0}.help-grid,.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.help-grid article,.contact-grid article{padding:24px;border:1px solid var(--line);background:#0d0d0d}.help-grid h2,.contact-grid h2{color:#fff}.faq-list{display:grid;gap:14px}.faq-list article{padding:24px;border:1px solid var(--line);background:#0c0c0c}.faq-list h2{color:#fff;margin-top:0;font-size:22px}.site-footer{background:linear-gradient(180deg,#080808,#151515);border-top:1px solid rgba(255,255,255,.3);padding:58px 0 90px}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:30px}.footer-grid section{display:flex;flex-direction:column;align-items:flex-start}.footer-brand h2{color:#fff}.footer-brand h2 small{display:block;font-size:12px;color:#999;letter-spacing:.12em}.footer-grid h3{color:#fff}.footer-grid a{padding:4px 0;color:#aaa}.footer-grid a:hover{color:#fff}.footer-notice{display:flex;justify-content:space-between;gap:30px;border-top:1px solid var(--line);margin-top:34px;padding-top:18px;color:#888;font-size:13px}.mobile-bottom-nav{display:none}.decorative:before,.decorative:after{pointer-events:none}@media (max-width:1020px){.desktop-main-nav{display:none}.brand-link{min-width:0;margin-right:auto}.channel-rail{display:none}:root{--header:68px}.site-main{padding-top:68px}.quick-links{grid-template-columns:repeat(3,1fr)}.index-grid{grid-template-columns:repeat(2,1fr)}.three-cards{grid-template-columns:1fr}.two-column-feature,.app-feature{grid-template-columns:1fr}.two-column-feature.reverse .feature-media{order:0}.horizontal-summaries{grid-template-columns:repeat(2,1fr)}.film-strip{grid-template-columns:repeat(2,1fr)}.production-steps{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-brand{grid-column:1/-1}.article-layout{grid-template-columns:1fr}.side-note{position:static}.clause-list article{grid-template-columns:60px 1fr}.clause-list article p{grid-column:2}.role-grid.large{grid-template-columns:repeat(2,1fr)}}@media (max-width:700px){.shell{width:min(calc(100% - 32px),var(--shell))}.brand-rail-inner{gap:6px}.brand-logo{height:30px}.brand-text-fallback small{display:none}.channel-button{font-size:0;width:44px;padding:0}.channel-button:after{content:'菜单';font-size:13px}.app-link{display:none}.icon-button{padding:0 10px}.editorial-hero{padding-top:18px}.hero-media{max-height:320px;min-height:180px}.hero-media img{max-height:320px}.split-caption{grid-template-columns:1fr;gap:12px}.section-block{padding:52px 0}.index-grid{grid-template-columns:1fr}.index-grid a{min-height:auto}.horizontal-summaries,.closing-grid,.essay-pair,.category-grid,.manifesto-grid,.help-grid,.contact-grid,.status-matrix{grid-template-columns:1fr}.role-grid,.role-grid.large{grid-template-columns:1fr}.film-strip{display:flex;overflow-x:auto;gap:10px;scroll-snap-type:x mandatory;padding-bottom:8px}.film-strip article{min-width:82%;scroll-snap-align:start}.production-steps{grid-template-columns:1fr}.article-index{grid-template-columns:1fr}.quick-links{grid-template-columns:repeat(2,1fr)}.search-panel{top:68px}.search-panel-inner{padding-top:18px}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.footer-brand{grid-column:1/-1}.footer-notice{flex-direction:column}.site-footer{padding-bottom:110px}.mobile-bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:var(--z-bottom);min-height:calc(56px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:linear-gradient(90deg,#090909,#181818);border-top:1px solid rgba(255,255,255,.25)}.mobile-bottom-nav a{min-height:56px;display:flex;align-items:center;justify-content:center;color:#c4c4c4;font-size:13px}.mobile-bottom-nav a.is-current{background:#f3f3f3;color:#111}.page-hero{padding-top:42px}.data-table div{grid-template-columns:1fr;gap:4px}.clause-list article{grid-template-columns:44px 1fr;gap:14px}.clause-list article p{grid-column:1/-1}.app-poster{max-height:420px}.channel-drawer{width:min(92vw,380px)}.search-heading-row h2{font-size:22px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}