:root{
  --bg:#0b0b0c;
  --bg-2:#121315;
  --panel:#17181b;
  --panel-2:#1d1f23;
  --border:#24262b;
  --text:#e8e6e1;
  --muted:#8a8f98;
  --accent:#ff4d2e;
  --accent-2:#ffb347;
  --good:#4ade80;
  --bad:#f87171;
  --link:#7cb7ff;
  --product:#60a5fa;
  --founder:#f472b6;
  --vc:#fbbf24;
  --company:#34d399;
  --other:#9ca3af;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue",Arial,"Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--link);text-decoration:none}
a:hover{color:var(--accent-2)}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
pre{background:#0d0e10;border:1px solid var(--border);padding:12px 14px;border-radius:6px;overflow-x:auto;font-size:13.5px}
code{background:#1b1d21;padding:1px 5px;border-radius:4px;font-size:13px}
pre code{background:transparent;padding:0}
img{max-width:100%;border-radius:6px}
blockquote{border-left:3px solid var(--accent);margin:1em 0;padding:.2em 1em;color:#cfccc5;background:#111215;border-radius:0 6px 6px 0}
hr{border:none;border-top:1px dashed var(--border);margin:2em 0}
table{border-collapse:collapse;width:100%;margin:1em 0}
th,td{border:1px solid var(--border);padding:8px 10px;text-align:left}
th{background:#151619}
h1,h2,h3,h4{line-height:1.35;color:#fff}
h1{font-size:28px;margin:.4em 0 .6em}
h2{font-size:22px;margin:1.4em 0 .4em;border-left:4px solid var(--accent);padding-left:10px}
h3{font-size:18px;margin:1.2em 0 .3em}

/* Top nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(11,11,12,.9);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:1180px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.brand{font-weight:800;font-size:18px;letter-spacing:.5px;color:#fff;display:flex;align-items:center;gap:8px}
.brand .mark{width:22px;height:22px;border-radius:4px;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:inline-block}
.brand small{color:var(--muted);font-weight:400;font-size:12px;margin-left:6px}
.nav-links{margin-left:auto;display:flex;gap:6px;flex-wrap:wrap}
.nav-links a{padding:6px 12px;border-radius:6px;color:#cdd1d8;font-size:14px}
.nav-links a:hover{background:#1d1f23;color:#fff}
.nav-links a.active{background:#24262b;color:#fff}

.container{max-width:1180px;margin:0 auto;padding:28px 20px 60px}

/* Hero */
.hero{padding:60px 0 40px;border-bottom:1px solid var(--border);margin-bottom:30px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(600px 300px at 10% 0%, rgba(255,77,46,.18), transparent 60%),
  radial-gradient(500px 260px at 90% 20%, rgba(255,179,71,.12), transparent 60%);
  pointer-events:none}
.hero-inner{max-width:1180px;margin:0 auto;padding:0 20px;position:relative}
.kicker{color:var(--accent-2);font-weight:600;letter-spacing:2px;font-size:12px;text-transform:uppercase}
.hero h1{font-size:48px;margin:8px 0 12px;letter-spacing:-.5px}
.hero h1 .tomb{color:var(--accent)}
.hero p.lead{font-size:17px;color:#cfccc5;max-width:760px}
.stats{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}
.stat{background:var(--panel);border:1px solid var(--border);padding:14px 18px;border-radius:10px;min-width:140px}
.stat .num{font-size:26px;font-weight:800;color:var(--accent-2)}
.stat .lbl{color:var(--muted);font-size:12px;letter-spacing:1px;text-transform:uppercase;margin-top:4px}
.cta-row{margin-top:26px;display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-block;padding:10px 16px;border-radius:8px;font-weight:600;border:1px solid var(--border);background:var(--panel);color:#fff;cursor:pointer;transition:all .15s}
.btn:hover{border-color:var(--accent);color:#fff}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:#ff6042}

/* Cards */
.grid{display:grid;gap:16px}
.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:900px){.grid.cols-3{grid-template-columns:1fr 1fr}.grid.cols-2{grid-template-columns:1fr}}
@media(max-width:640px){.grid.cols-3{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px 18px;transition:border-color .15s, transform .15s}
.card:hover{border-color:#3a3d44;transform:translateY(-1px)}
.card h3{margin:0 0 6px;font-size:16px}
.card .meta{color:var(--muted);font-size:12px;display:flex;gap:10px;flex-wrap:wrap}
.card p{margin:8px 0 0;color:#c9c6bf;font-size:14px}

.section-title{display:flex;align-items:center;gap:10px;margin:40px 0 14px;font-size:20px;color:#fff;font-weight:700}
.section-title .bar{width:4px;height:18px;background:var(--accent);border-radius:2px}
.muted{color:var(--muted)}

/* Articles list */
.controls{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0 22px;align-items:center}
input[type=text], select{background:var(--panel);border:1px solid var(--border);color:var(--text);padding:9px 12px;border-radius:8px;font-size:14px;outline:none}
input[type=text]:focus,select:focus{border-color:var(--accent)}
input[type=text]{min-width:260px;flex:1;max-width:420px}
.article-list{list-style:none;padding:0;margin:0}
.article-list li{border-bottom:1px solid var(--border);padding:14px 4px;display:flex;gap:14px;align-items:baseline;flex-wrap:wrap}
.article-list li .rank{color:var(--muted);width:38px;font-variant-numeric:tabular-nums}
.article-list li .title{flex:1;font-size:16px;font-weight:600;color:#fff;min-width:200px}
.article-list li .title a{color:#fff}
.article-list li .title a:hover{color:var(--accent-2)}
.article-list li .date{color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums}
.article-list li .author{color:var(--accent-2);font-size:13px}

/* Article page */
.article-meta{color:var(--muted);font-size:13px;margin-bottom:18px;display:flex;gap:14px;flex-wrap:wrap}
.article-body{font-size:16px;line-height:1.85}
.article-body p{margin:1em 0}
.article-body li{margin:.3em 0}
.article-body a{border-bottom:1px dashed #3b4150}
.pager{display:flex;justify-content:space-between;gap:14px;margin-top:40px;padding-top:20px;border-top:1px solid var(--border);flex-wrap:wrap}
.pager a{padding:10px 14px;background:var(--panel);border:1px solid var(--border);border-radius:8px}
.pager a:hover{border-color:var(--accent)}

/* Graph */
.graph-wrap{display:grid;grid-template-columns:1fr 320px;gap:16px;margin-top:10px;min-height:620px}
@media(max-width:960px){.graph-wrap{grid-template-columns:1fr}}
#network{background:var(--bg-2);border:1px solid var(--border);border-radius:10px;height:680px;position:relative}
#network .loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--muted)}
.legend{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0}
.legend .chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:var(--panel);border:1px solid var(--border);font-size:12px;color:#cfccc5}
.legend .dot{width:10px;height:10px;border-radius:50%}
.side{display:flex;flex-direction:column;gap:14px;max-height:680px;overflow:auto}
.lb-block{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:12px 14px}
.lb-block h4{margin:0 0 10px;font-size:14px;display:flex;align-items:center;gap:8px;color:#fff}
.lb-block ol{margin:0;padding-left:22px;font-size:13.5px}
.lb-block li{margin:4px 0;color:#cfccc5;cursor:pointer}
.lb-block li:hover{color:var(--accent-2)}
.lb-block li .w{color:var(--muted);font-size:12px;margin-left:4px}
.detail{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:14px;font-size:13.5px}
.detail h4{margin:0 0 6px;color:#fff;font-size:15px;word-break:break-all}
.detail .d-type{display:inline-block;padding:2px 8px;border-radius:6px;font-size:11px;font-weight:600;margin-bottom:6px}
.detail p{margin:6px 0;color:#cfccc5}
.detail .kv{display:grid;grid-template-columns:70px 1fr;gap:4px 8px;color:var(--muted);margin-top:6px}
.detail .kv b{color:#e8e6e1;font-weight:500}

/* Footer */
footer{border-top:1px solid var(--border);margin-top:40px;padding:24px 0;color:var(--muted);font-size:13px;text-align:center}

.tag-placeholder{display:inline-block;background:var(--panel-2);border:1px solid var(--border);color:var(--muted);padding:1px 6px;border-radius:4px;font-size:12px}