:root{--bg:#050505;--deep:#0a0a0a;--card:#111;--hover:#191919;--light:#efefef;--title:#fafafa;--text:#d8d8d8;--muted:#a3a3a3;--dark:#151515;--border:rgba(255,255,255,.14);--border-hi:rgba(255,255,255,.42);--grad:linear-gradient(135deg,#050505 0%,#171717 52%,#090909 100%);--silver:linear-gradient(120deg,#f5f5f5 0%,#bdbdbd 48%,#fff 100%);--card-grad:linear-gradient(160deg,#1b1b1b 0%,#0d0d0d 70%,#050505 100%);--max:1320px;--header:102px;--z-header:70;--z-bottom:55;--z-overlay:90;--z-drawer:100;--z-search:95}
*{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}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}button{cursor:pointer}.wrap{width:min(var(--max),calc(100% - 56px));margin:auto}.site-header{position:fixed;inset:0 0 auto;z-index:var(--z-header);background:#070707}.brand-rail{height:68px;padding:0 max(28px,calc((100vw - var(--max))/2));display:flex;align-items:center;gap:28px;background:linear-gradient(90deg,#050505,#171717);border-bottom:1px solid rgba(255,255,255,.28)}.brand{display:inline-flex;align-items:center;gap:10px;min-width:150px}.brand img{max-height:36px;width:auto}.brand span{font-weight:800;color:#fff;letter-spacing:.05em}.brand small{display:block;font-size:10px;color:#aaa;letter-spacing:.14em}.desktop-nav{display:flex;align-items:center;gap:6px;flex:1;justify-content:center}.desktop-nav a,.app-link,.channel-rail a{padding:8px 12px;color:#cfcfcf}.desktop-nav a.is-active{background:#ededed;color:#111}.desktop-nav a:hover,.channel-rail a:hover{color:#fff}.channel-rail a.is-active{color:#fff;text-decoration:underline;text-underline-offset:6px}.header-actions{display:flex;align-items:center;gap:8px}.icon-btn{min-height:44px;min-width:44px;padding:8px 12px;border:1px solid var(--border);background:#0d0d0d;color:#eee}.icon-btn:hover,.icon-btn:focus-visible{border-color:var(--border-hi);background:#1b1b1b}.channel-rail{height:34px;display:flex;align-items:center;justify-content:center;gap:10px;background:#0b0b0b}.channel-rail a{padding:2px 10px;font-size:13px}.rail-line{width:38px;height:1px;background:#aaa}.site-main{padding-top:var(--header)}.hero,.section{padding:54px 0}.hero{background:var(--grad)}.hero-copy{display:flex;justify-content:space-between;gap:36px;align-items:end;margin-top:26px}.eyebrow{font-size:12px;letter-spacing:.18em;color:#aaa}.hero h1,.page-hero h1{margin:.25em 0 .35em;font-size:clamp(30px,5vw,64px);line-height:1.1;color:#fff}.hero p,.page-hero p{max-width:820px;font-size:17px}.hero-actions{display:flex;gap:18px;flex-wrap:wrap}.text-link{border-bottom:1px solid #aaa;padding:7px 0;color:#fff}.media-frame{display:flex;align-items:center;justify-content:center;overflow:hidden;background:linear-gradient(145deg,#050505,#202020);border:1px solid var(--border)}.media-frame img{width:100%;height:100%;object-fit:contain;object-position:center}.media-placeholder{min-height:220px;color:#9b9b9b}.hero-media{max-height:520px}.hero-media img{max-height:520px}.section-title{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}.section-title h2{font-size:clamp(24px,3vw,38px);margin:0;color:#fff}.section-title p{max-width:620px;margin:0;color:var(--muted)}.index-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--border);border-left:1px solid var(--border)}.index-card{padding:28px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);min-height:190px;background:linear-gradient(180deg,#0b0b0b,#080808)}.index-card b{font-size:12px;color:#888}.index-card h3{font-size:25px;margin:10px 0}.index-card p{margin:0;color:#b8b8b8}.split{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}.panel{background:var(--card-grad);border:1px solid var(--border);padding:30px}.panel h2,.panel h3{color:#fff}.points{padding-left:20px}.points li{margin:8px 0}.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.story-card{border:1px solid var(--border);background:#0d0d0d}.story-card .media-frame{border:0;border-bottom:1px solid var(--border);aspect-ratio:16/9}.story-card .body{padding:24px}.story-card h3{font-size:24px;margin:0 0 10px;color:#fff}.story-card p{margin:0}.feature-image{aspect-ratio:16/9}.summary-strips{border:1px solid var(--border);border-top:0}.summary-row{display:grid;grid-template-columns:180px 1fr;gap:24px;padding:20px 24px;border-top:1px solid var(--border)}.summary-row:first-child{border-top:0}.summary-row strong{color:#fff}.four-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.archive-card{padding:24px;border:1px solid var(--border);background:#0b0b0b}.archive-card h3{margin-top:0;color:#fff}.timeline{display:grid;grid-template-columns:repeat(6,1fr);gap:0;border:1px solid var(--border)}.timeline article{padding:22px;border-right:1px solid var(--border)}.timeline article:last-child{border-right:0}.timeline b{display:block;color:#777}.editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.editor-card{padding:28px;border:1px solid var(--border);background:#0d0d0d}.opinion{font-size:12px;letter-spacing:.12em;color:#d9d9d9}.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.status{padding:24px;border:1px solid var(--border);background:linear-gradient(145deg,#111,#080808)}.page-hero{padding:62px 0 34px;background:linear-gradient(140deg,#050505,#151515)}.page-hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}.page-hero .media-frame{aspect-ratio:16/9}.content{padding:44px 0 70px}.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.content article,.content section,.note-box{border:1px solid var(--border);background:#0d0d0d;padding:28px}.content h2{font-size:30px;color:#fff}.content h3{color:#fff}.content p{margin:0 0 1em}.number-list{counter-reset:item;display:grid;gap:14px}.number-list article{position:relative;padding-left:72px}.number-list article:before{counter-increment:item;content:counter(item,decimal-leading-zero);position:absolute;left:24px;top:24px;color:#777;font-size:13px}.table-like{display:grid;grid-template-columns:220px 1fr;border-top:1px solid var(--border);border-left:1px solid var(--border)}.table-like div{padding:16px;border-right:1px solid var(--border);border-bottom:1px solid var(--border)}.table-like div:nth-child(odd){color:#aaa}.faq-list details{border:1px solid var(--border);background:#0c0c0c;margin:12px 0;padding:18px 20px}.faq-list summary{cursor:pointer;color:#fff;font-weight:700}.site-footer{border-top:1px solid rgba(255,255,255,.3);background:linear-gradient(180deg,#111,#050505);padding:48px 0 28px}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:28px}.footer-grid h3{color:#fff}.footer-grid>div:not(.footer-brand) a{display:block;color:#bdbdbd;padding:3px 0}.footer-brand p{max-width:420px;color:#b1b1b1}.footer-bottom{margin-top:34px;padding-top:20px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:30px;color:#888;font-size:13px}.footer-bottom p{margin:0}.channel-drawer{position:fixed;top:0;right:0;z-index:var(--z-drawer);width:min(92vw,380px);height:100dvh;overflow:auto;background:linear-gradient(155deg,#171717,#050505 70%);border-left:1px solid var(--border);padding:24px;transform:translateX(102%);visibility:hidden;opacity:0;pointer-events:none;transition:transform .24s ease,opacity .22s ease,visibility .22s ease}.channel-drawer.is-open{transform:none;visibility:visible;opacity:1;pointer-events:auto}.drawer-head{display:flex;justify-content:space-between;gap:20px;align-items:start}.drawer-head h2{margin:4px 0 0;color:#fff}.drawer-group{margin-top:26px}.drawer-group h3{font-size:13px;color:#888;border-bottom:1px solid var(--border);padding-bottom:8px}.drawer-group a{display:block;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.07)}.drawer-group strong{display:block;color:#fff}.drawer-group span{display:block;color:#999;font-size:13px}.site-overlay{position:fixed;inset:0;z-index:var(--z-overlay);background:rgba(0,0,0,.72);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s ease,visibility .22s ease}.site-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.search-panel{position:fixed;top:68px;left:0;right:0;z-index:var(--z-search);background:#0a0a0a;border-bottom:1px solid var(--border);padding:24px}.search-panel[hidden]{display:none!important}.search-inner{width:min(900px,calc(100% - 32px));margin:auto}.search-head{display:flex;justify-content:space-between;align-items:center}.search-head h2{margin:0;color:#fff}.search-inner label{display:block;margin:14px 0 6px;color:#aaa}.search-inner input{width:100%;min-height:48px;background:#111;border:1px solid var(--border);color:#fff;padding:10px 14px}.search-links{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:14px}.search-links a{border:1px solid var(--border);padding:12px;text-align:center}.mobile-bottom{display:none}
@media (max-width:980px){.desktop-nav,.channel-rail,.desktop-only{display:none}.brand-rail{padding:0 16px}.brand{min-width:0;flex:1}.menu-open{font-size:0}.menu-open:after{content:'菜单';font-size:14px}.site-main{padding-top:68px}.hero-copy{display:block}.hero-actions{margin-top:18px}.index-grid{grid-template-columns:repeat(2,1fr)}.split,.page-hero .wrap,.content-grid{grid-template-columns:1fr}.cards-3{grid-template-columns:1fr 1fr}.four-grid,.status-grid{grid-template-columns:1fr 1fr}.timeline{grid-template-columns:repeat(3,1fr)}.timeline article:nth-child(3){border-right:0}.timeline article:nth-child(-n+3){border-bottom:1px solid var(--border)}.editor-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.6fr 1fr 1fr}.footer-grid>div:nth-child(n+4){margin-top:12px}.search-links{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.wrap{width:min(var(--max),calc(100% - 32px))}.brand-rail{gap:8px}.brand img{max-height:32px}.header-actions{gap:4px}.icon-btn{padding:7px 9px}.hero,.section{padding:38px 0}.hero-media{max-height:320px}.hero-media img{max-height:320px}.index-grid,.cards-3,.four-grid,.status-grid{grid-template-columns:1fr}.summary-row{grid-template-columns:1fr;gap:6px}.timeline{grid-template-columns:1fr}.timeline article{border-right:0;border-bottom:1px solid var(--border)}.timeline article:last-child{border-bottom:0}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{display:block;padding-bottom:72px}.mobile-bottom{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;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(180deg,#181818,#090909);border-top:1px solid var(--border)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:56px;color:#ccc;font-size:13px}.mobile-bottom a.is-active{background:#f2f2f2;color:#111}.search-panel{top:68px;padding:18px 0}.search-links{grid-template-columns:repeat(2,1fr)}.page-hero{padding-top:40px}.content article,.content section,.note-box,.panel{padding:22px}.table-like{grid-template-columns:1fr}.table-like div:nth-child(odd){background:#121212}.hero-actions{gap:12px}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}