:root{
  --bg:#0b0b0d;--panel:#141418;--panel-2:#1a1a20;--line:#292930;
  --text:#ececf1;--muted:#9898a4;--dim:#6f6f7b;
  --amber:#e3b567;--bili:#fb7299;--douyin:#f5c518;--car:#d3a05a;
  --serif:"Noto Serif CJK SC","Source Han Serif SC","Songti SC","STSong",serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;color:var(--text);background:
    radial-gradient(1000px 600px at 82% -12%,rgba(251,114,153,.10),transparent 60%),
    radial-gradient(900px 560px at 4% 4%,rgba(227,181,103,.07),transparent 62%),
    var(--bg);
  font:16px/1.8 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{width:min(1080px,100% - 40px);margin:0 auto}

/* header */
.site-head{position:sticky;top:0;z-index:20;background:rgba(11,11,13,.84);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:62px;gap:14px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:14.5px;letter-spacing:.02em;white-space:nowrap}
.brand .mark{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;font:600 14px/1 var(--serif);
  color:#17130c;background:linear-gradient(135deg,var(--amber),var(--douyin))}
.site-head nav{display:flex;gap:26px;font-size:14px;color:var(--muted)}
.site-head nav a{padding:6px 0;border-bottom:1px solid transparent}
.site-head nav a:hover{color:var(--text)}
.site-head nav a.on{color:var(--text);border-bottom-color:var(--amber)}

/* home hero */
.hero{padding:88px 0 18px;max-width:860px}
.kicker{color:var(--amber);font-size:12.5px;letter-spacing:.18em;font-weight:600;text-transform:uppercase}
.hero h1{font:600 clamp(34px,6vw,58px)/1.24 var(--serif);letter-spacing:.01em;margin:18px 0 0}
.hero .lede{color:#c4c4cf;font-size:16.5px;max-width:36em;margin:22px 0 0}
.hero .lede b{color:var(--text);font-weight:600}

/* chain */
.chain{display:flex;align-items:stretch;gap:0;flex-wrap:wrap;margin:52px 0 0;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.chain .step{flex:1 1 200px;min-width:170px;padding:4px 20px 4px 0}
.chain .step b{display:block;font-size:13px;letter-spacing:.08em;color:var(--muted);font-weight:500}
.chain .step span{display:block;font:600 17px/1.5 var(--serif);margin-top:4px}
.chain .arrow{display:flex;align-items:center;color:var(--dim);padding:0 18px 0 0;font-size:18px}

/* dossiers */
.dossiers{margin:18px 0 0;border-top:1px solid var(--line)}
.dossier{display:grid;grid-template-columns:84px 1fr 34px;gap:18px;align-items:start;padding:30px 10px 30px 4px;border-bottom:1px solid var(--line);transition:background .18s ease}
.dossier:hover{background:rgba(255,255,255,.025)}
.dossier .num{font:600 38px/1 var(--serif);color:var(--sec);letter-spacing:.02em}
.dossier .label{color:var(--sec);font-size:12.5px;letter-spacing:.1em;font-weight:600}
.dossier h2{font:600 clamp(22px,3vw,28px)/1.4 var(--serif);margin:6px 0 8px}
.dossier p{margin:0;color:var(--muted);font-size:14.5px;max-width:44em}
.dossier .meta{display:flex;gap:14px;flex-wrap:wrap;margin-top:12px;color:var(--dim);font-size:12.5px}
.dossier .go{color:var(--sec);font-size:22px;padding-top:28px;transition:transform .18s ease}
.dossier:hover .go{transform:translateX(4px)}

/* quotes */
.quotes{margin:74px 0 0}
.quotes h2{font:600 15px/1.5 var(--serif);letter-spacing:.08em;color:var(--muted);margin:0 0 18px}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.quote{border-left:2px solid var(--sec);padding:2px 0 2px 18px}
.quote p{font:500 16.5px/1.85 var(--serif);color:#dcdce4;margin:0 0 12px}
.quote cite{font-style:normal;color:var(--dim);font-size:12.5px;letter-spacing:.03em}

/* page head */
.page-head{padding:64px 0 34px;max-width:840px}
.page-head .tag{display:inline-flex;align-items:center;gap:8px;color:var(--sec);font-size:12.5px;letter-spacing:.12em;font-weight:600}
.page-head .tag:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--sec)}
.page-head h1{font:600 clamp(30px,4.8vw,46px)/1.3 var(--serif);margin:16px 0 0;letter-spacing:.01em}
.page-head .lede{color:#bdbdc9;font-size:16px;margin:18px 0 0;max-width:40em}
.page-head .meta{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-top:22px}
.page-head .meta b{color:var(--text);font-weight:600}
.page-head .meta a{border-bottom:1px solid rgba(227,181,103,.4)}

/* toc */
.toc{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px 24px;margin:6px 0 46px;max-width:840px}
.toc .t{font-size:12.5px;letter-spacing:.1em;color:var(--dim);margin:0 0 12px}
.toc ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:2px 30px;counter-reset:toc}
.toc li{border:0}
.toc a{display:block;padding:4px 0;color:#bfbfca;font-size:14px;line-height:1.6}
.toc a:hover{color:var(--amber)}

/* prose */
.prose{max-width:800px;margin:0 auto;padding:0 0 30px}
.prose p{margin:0 0 1.3em;font-size:17px;color:#d6d6df}
.prose h2{font:600 23px/1.55 var(--serif);margin:2.6em 0 1em;padding-top:.85em;border-top:1px solid var(--line);scroll-margin-top:80px}
.prose h2:first-child{margin-top:0;padding-top:0;border-top:0}
.prose h3{font:600 18px/1.6 var(--serif);margin:1.9em 0 .7em;color:#ececf2}
.prose strong{color:#fff;font-weight:600}
.prose code{background:#22222a;border:1px solid var(--line);border-radius:4px;padding:1px 5px;font-size:13.5px}
.prose hr{border:0;border-top:1px solid var(--line);margin:38px 0}
.prose ul,.prose ol{padding-left:24px;margin:0 0 1.4em}
.prose li{margin:.35em 0;color:#d6d6df}
.prose li::marker{color:var(--dim)}
.prose a{color:var(--amber);border-bottom:1px solid rgba(227,181,103,.35)}
.tw{overflow-x:auto;margin:0 0 26px;-webkit-overflow-scrolling:touch}
.prose table{border-collapse:collapse;width:100%;font-size:14px;background:var(--panel);line-height:1.65}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.prose th{background:var(--panel-2);color:var(--text);font-weight:600;white-space:nowrap}
.prose td{color:#c9c9d3}
.prose blockquote{margin:0 0 1.4em;padding:2px 0 2px 18px;border-left:2px solid var(--amber);color:var(--muted)}

/* works */
.hero-person{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:4px}
.hero-person img{width:76px;height:76px;border-radius:50%;object-fit:cover;border:1px solid var(--line)}
.hero-person h1{margin:0}
.hero-person .handle{color:var(--muted);font-size:13.5px;margin-top:4px}
.bio{color:#c4c4cf;white-space:pre-line;margin:20px 0 0;max-width:640px;font-size:15px}
.stats{display:flex;gap:34px;flex-wrap:wrap;margin-top:26px}
.stats b{display:block;font:600 24px/1.3 var(--serif)}
.stats span{color:var(--muted);font-size:12.5px}
.works{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px;padding:10px 0 40px}
.work{background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:transform .18s ease,border-color .18s ease}
.work:hover{transform:translateY(-3px);border-color:#3a3a45}
.work .cover{aspect-ratio:3/4;overflow:hidden;background:#000}
.work .cover img{width:100%;height:100%;object-fit:cover}
.work .body{padding:16px 18px 20px}
.work .wm{display:flex;gap:12px;color:var(--muted);font-size:12px}
.work h3{font:600 18px/1.5 var(--serif);margin:8px 0}
.work p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.7}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.tag{font-size:11.5px;color:#cdb25a;background:rgba(245,197,24,.07);border:1px solid rgba(245,197,24,.18);border-radius:999px;padding:2px 9px}

/* article/detail */
.detail{max-width:760px;margin:0 auto;padding:56px 0 70px}
.detail .kicker{color:var(--douyin)}
.detail h1{font:600 clamp(27px,4.4vw,38px)/1.4 var(--serif);margin:14px 0 14px}
.detail .meta{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:13px}
.player{width:min(340px,100%);aspect-ratio:9/16;margin:30px auto 38px;border-radius:18px;overflow:hidden;background:#000;border:1px solid var(--line)}
.player iframe{width:100%;height:100%;border:0;display:block}
.detail .body p{margin:0 0 1.25em;font-size:17px;color:#dedee6}
.detail .body h2{font:600 21px/1.55 var(--serif);margin:2.2em 0 .9em;padding-left:12px;border-left:3px solid var(--douyin)}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:42px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 19px;border-radius:12px;font-size:14px;border:1px solid var(--line);background:var(--panel);transition:background .16s ease,transform .16s ease}
.btn:hover{background:var(--panel-2);transform:translateY(-1px)}
.btn-primary{background:var(--amber);border-color:var(--amber);color:#17130c;font-weight:700}
.btn-primary:hover{background:#f0c47e}
.next{border-top:1px solid var(--line);margin-top:54px;padding-top:26px}
.next h2{font-size:15px;color:var(--muted);font-weight:500;margin:0 0 12px}
.next a{display:flex;gap:14px;align-items:center;padding:11px 0;border-bottom:1px solid var(--line)}
.next img{width:58px;height:77px;object-fit:cover;border-radius:8px;flex:none}
.next b{font-weight:500;font-size:15px;line-height:1.5;display:block}
.next span{color:var(--muted);font-size:12.5px}

/* bili split */
.split{display:grid;grid-template-columns:minmax(260px,340px) 1fr;gap:56px;align-items:start;max-width:1000px;margin:0 auto;padding:0 0 20px}
.split .sticky{position:sticky;top:86px}
.split .player{width:100%;margin:0}
.split .prose{max-width:none;margin:0;padding:0}
.split .prose p:first-child{font-size:18.5px;color:#f0f0f5}

/* section footer */
.section-nav{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:54px 0 0;padding:24px 0;border-top:1px solid var(--line);font-size:14px}
.section-nav a{color:var(--muted)}
.section-nav a:hover{color:var(--text)}
.section-nav b{color:var(--text);font-weight:600}

/* footer */
footer{border-top:1px solid var(--line);margin-top:30px;padding:34px 0 54px;color:var(--muted);font-size:13px;line-height:1.85}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:40px}
footer b{color:#cfcfd8;font-weight:600}
footer a{border-bottom:1px dotted #4c4c57}
footer a:hover{color:var(--text)}
footer .fnav{display:flex;gap:20px;flex-wrap:wrap;align-content:start}

/* 404 */
.nf{padding:120px 0 140px;text-align:center}
.nf b{font:600 76px/1 var(--serif);color:var(--amber);letter-spacing:.06em}
.nf p{color:var(--muted);margin:18px 0 30px}

@media(max-width:900px){
  .split{grid-template-columns:1fr;gap:34px;max-width:760px}
  .split .sticky{position:static}
  .split .player{width:min(340px,100%);margin:0 auto}
  .quote-grid{grid-template-columns:1fr;gap:22px}
  .quote p{font-size:16px}
}
@media(max-width:640px){
  .wrap{width:calc(100% - 32px)}
  .site-head .wrap{height:56px}
  .brand{font-size:13px;gap:8px}
  .brand .mark{width:25px;height:25px;font-size:12.5px}
  .site-head nav{gap:15px;font-size:12.5px}
  .hero{padding:48px 0 10px}
  .hero h1{font-size:33px}
  .hero .lede{font-size:15.5px}
  .chain{margin-top:36px;padding:14px 0}
  .chain .step{flex:1 1 100%;padding:8px 0}
  .chain .arrow{display:none}
  .dossier{grid-template-columns:52px 1fr 20px;gap:12px;padding:24px 0}
  .dossier .num{font-size:27px}
  .dossier h2{font-size:21px}
  .dossier .go{font-size:18px;padding-top:20px}
  .quotes{margin-top:52px}
  .page-head{padding:42px 0 26px}
  .page-head h1{font-size:29px}
  .page-head .lede{font-size:15px}
  .toc{padding:16px 18px;margin-bottom:34px}
  .toc ol{grid-template-columns:1fr;gap:0}
  .prose p{font-size:16.5px}
  .prose h2{font-size:21px}
  .prose table{font-size:13px}
  .prose th,.prose td{padding:8px}
  .works{grid-template-columns:repeat(2,1fr);gap:13px}
  .work .body{padding:12px 12px 15px}
  .work h3{font-size:14.5px;margin:6px 0}
  .work p{display:none}
  .work .wm{font-size:11px;gap:8px}
  .work .tags{display:none}
  .detail{padding:38px 0 50px}
  .detail .body p{font-size:16.5px}
  .stats{gap:24px}
  footer .wrap{grid-template-columns:1fr;gap:22px}
}
@media print{
  body{background:#fff;color:#111}
  .site-head,footer,.section-nav,.player,.toc{display:none}
  .prose{max-width:none}
  .prose p,.prose li,.prose td{color:#111}
  .prose h2{color:#111;border-color:#ddd}
}