:root{
  --bg:#060a14;--bg2:#0a1124;--card:rgba(17,26,48,.55);--card2:rgba(20,30,56,.78);
  --border:rgba(80,160,255,.16);--glow:rgba(56,189,248,.55);
  --cyan:#22d3ee;--blue:#3b82f6;--purple:#a855f7;--green:#34d399;--amber:#fbbf24;
  --text:#e8eefb;--muted:#9bb0cf;--muted2:#6f86a8;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;overflow-x:hidden}
.bg-glow{position:fixed;inset:0;z-index:0;pointer-events:none;background:
  radial-gradient(900px 600px at 12% -5%,rgba(34,211,238,.16),transparent 60%),
  radial-gradient(800px 600px at 95% 8%,rgba(168,85,247,.14),transparent 60%),
  radial-gradient(1000px 700px at 50% 110%,rgba(59,130,246,.16),transparent 60%)}
.wrap{position:relative;z-index:2;max-width:1180px;margin:0 auto;padding:0 22px}
a{color:inherit}
nav{position:sticky;top:0;z-index:30;backdrop-filter:blur(14px);background:rgba(6,10,20,.62);border-bottom:1px solid var(--border)}
nav .inner{max-width:1180px;margin:0 auto;padding:13px 22px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.brand{font-weight:800;letter-spacing:.5px;font-size:15px}.brand b{color:var(--cyan)}
.navlinks{display:flex;gap:20px;font-size:13px}
.navlinks a{color:var(--muted);text-decoration:none;transition:.2s}.navlinks a:hover{color:var(--cyan)}
@media(max-width:720px){.navlinks{display:none}}
.glass{background:var(--card);border:1px solid var(--border);border-radius:18px;backdrop-filter:blur(12px);box-shadow:0 10px 40px rgba(0,0,0,.35)}
.hero{padding:44px 40px;position:relative;overflow:hidden;margin-top:28px}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;background:radial-gradient(circle,rgba(34,211,238,.18),transparent 65%);pointer-events:none}
.eyebrow{font-size:12px;letter-spacing:3px;color:var(--cyan);font-family:Consolas,monospace}
.hero h1{font-size:38px;line-height:1.28;font-weight:800;margin:12px 0 14px;background:linear-gradient(90deg,#fff,var(--cyan) 55%,var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:15px;color:var(--muted);max-width:840px;line-height:1.9}
.stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;position:relative;z-index:1}
.stats div{background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:12px;padding:10px 18px;font-size:12.5px;color:var(--muted)}
.stats b{display:block;font-size:20px;color:var(--cyan);font-family:Consolas,monospace;margin-bottom:2px}
.hero-note{margin-top:18px;font-size:12.5px;color:var(--muted2);position:relative;z-index:1}
@media(max-width:640px){.hero{padding:28px 20px}.hero h1{font-size:27px}}
.sec{margin-top:24px;padding:26px 30px}
.sec-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;margin-bottom:6px}
.sec-head h2{font-size:21px;font-weight:800}
.sec-head span{font-size:11px;letter-spacing:2px;color:var(--muted2);font-family:Consolas,monospace}
.sec-sub{color:var(--muted2);font-size:13px;margin-bottom:18px}
.bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:16px 18px;border-radius:14px;background:rgba(34,211,238,.05);border:1px solid var(--border);margin-bottom:20px}
.bar input[type=search]{flex:1;min-width:220px;padding:10px 14px;border-radius:9px;border:1px solid var(--border);background:rgba(6,10,20,.6);color:var(--text);font-family:inherit;font-size:13.5px;outline:none}
.bar input[type=search]:focus{border-color:var(--glow);box-shadow:0 0 0 3px rgba(34,211,238,.12)}
.bar select{padding:9px 12px;border-radius:9px;border:1px solid var(--border);background:rgba(6,10,20,.75);color:var(--text);font-family:inherit;font-size:13px;outline:none}
.bar .count{font-size:12.5px;color:var(--muted2);white-space:nowrap}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.chip{padding:7px 14px;border-radius:20px;font-size:12.5px;color:var(--muted);background:rgba(255,255,255,.04);border:1px solid var(--border);cursor:pointer;transition:.2s;font-family:inherit}
.chip:hover{color:var(--cyan);border-color:var(--glow)}
.chip.on{color:#04121b;background:linear-gradient(135deg,var(--cyan),var(--blue));border-color:transparent;font-weight:700}
.cat{margin-bottom:30px;scroll-margin-top:78px}
.cat-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;margin-bottom:6px}
.cat-head h2{font-size:19px;font-weight:800;display:flex;align-items:center;gap:10px}
.cat-head h2 .ic{font-size:22px}
.cat-head .n{font-size:12px;color:var(--muted2);font-family:Consolas,monospace}
.cat-head a.more{font-size:12.5px;color:var(--cyan);text-decoration:none;margin-left:auto}
.cat-head a.more:hover{text-decoration:underline}
.cat-desc{font-size:13px;color:var(--muted2);margin-bottom:16px;line-height:1.8}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}
@media(max-width:980px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.grid{grid-template-columns:1fr}}
.ai-card{display:flex;flex-direction:column;padding:16px;border-radius:13px;background:rgba(255,255,255,.03);border:1px solid var(--border);text-decoration:none;transition:.22s;min-height:168px;position:relative;overflow:hidden}
.ai-card:hover{border-color:var(--glow);background:rgba(34,211,238,.08);transform:translateY(-3px);box-shadow:0 12px 30px rgba(34,211,238,.14)}
.ai-card .ai-ico{font-size:21px;line-height:1;margin-bottom:10px}
.ai-card .ai-name{font-size:14.5px;font-weight:800;color:#fff;margin-bottom:3px;padding-right:16px;line-height:1.45}
.ai-card .ai-name i{font-style:normal;color:var(--cyan);font-size:12px;position:absolute;right:14px;top:15px}
.ai-card .ai-vendor{font-size:11.5px;color:var(--purple);margin-bottom:8px}
.ai-card .ai-desc{font-size:12px;color:var(--muted2);line-height:1.65;flex:1}
.ai-card .ai-foot{display:flex;flex-wrap:wrap;gap:5px;align-items:center;margin-top:11px;padding-top:10px;border-top:1px solid rgba(255,255,255,.06)}
.ai-card .tag{font-style:normal;font-size:10.5px;color:#cfe2ff;background:rgba(59,130,246,.14);border:1px solid rgba(59,130,246,.25);padding:2px 7px;border-radius:6px}
.ai-card .price{margin-left:auto;font-size:10.5px;color:var(--green);white-space:nowrap}
.ai-card .price.paid{color:var(--amber)}
.ai-card[hidden]{display:none}
.empty{display:none;padding:30px;text-align:center;color:var(--muted);font-size:13.5px;border:1px dashed var(--border);border-radius:12px}
.empty.on{display:block}
.faq{margin-top:16px}
.faq details{padding:13px 16px;border-bottom:1px solid rgba(255,255,255,.06)}
.faq details:last-child{border-bottom:none}
.faq summary{cursor:pointer;font-size:14px;font-weight:700;color:#cfe2ff;list-style:none}
.faq summary::before{content:"▸";color:var(--cyan);margin-right:9px}
.faq details[open] summary::before{content:"▾"}
.faq p{font-size:13px;color:var(--muted);line-height:1.85;padding:10px 0 0 22px}
.panel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}
@media(max-width:760px){.panel-grid{grid-template-columns:repeat(2,1fr)}}
.kpi{padding:15px;border-radius:12px;background:rgba(255,255,255,.03);border:1px solid var(--border)}
.kpi span{display:block;font-size:11.5px;color:var(--muted2);margin-bottom:5px}
.kpi b{font-size:22px;color:var(--cyan);font-family:Consolas,monospace}
.kpi small{font-size:11px;color:var(--muted2);margin-left:6px}
.rank{display:flex;flex-direction:column;gap:9px}
.rank .row{display:flex;align-items:center;gap:10px;font-size:12.5px}
.rank .row .nm{width:150px;flex:none;color:#cfe2ff;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank .row .track{flex:1;height:8px;border-radius:6px;background:rgba(255,255,255,.06);overflow:hidden}
.rank .row .fill{height:100%;border-radius:6px;background:linear-gradient(90deg,var(--cyan),var(--blue))}
.rank .row .n{width:38px;text-align:right;color:var(--muted);font-family:Consolas,monospace}
.data-note{font-size:12px;color:var(--muted2);line-height:1.85;margin-top:16px}
.data-note a{color:var(--cyan);text-decoration:none}
.trend{display:flex;align-items:flex-end;gap:6px;height:80px;margin-top:8px}
.trend .col{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:4px;height:100%}
.trend .col i{display:block;width:100%;max-width:34px;border-radius:4px 4px 0 0;background:linear-gradient(180deg,var(--cyan),rgba(59,130,246,.35));min-height:2px}
.trend .col small{font-size:10px;color:var(--muted2);white-space:nowrap}
.related{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}
.related a{font-size:12.5px;color:var(--muted);text-decoration:none;padding:7px 13px;border-radius:9px;background:rgba(255,255,255,.04);border:1px solid var(--border);transition:.2s}
.related a:hover{color:var(--cyan);border-color:var(--glow)}
.crumb{font-size:12.5px;color:var(--muted2);margin:22px 0 0}
.crumb a{color:var(--muted);text-decoration:none}.crumb a:hover{color:var(--cyan)}
.cat-hero{padding:38px 40px;margin-top:22px}
.cat-hero h1{font-size:33px;line-height:1.3;font-weight:800;margin:10px 0 12px;background:linear-gradient(90deg,#fff,var(--cyan) 55%,var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero .lead{font-size:14.5px;color:var(--muted);line-height:1.95;max-width:900px}
.cat-hero .intro{font-size:13px;color:var(--muted2);line-height:1.95;margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.07)}
@media(max-width:640px){.cat-hero{padding:26px 20px}.cat-hero h1{font-size:25px}.sec{padding:22px 20px}}
footer{text-align:center;color:var(--muted2);font-size:12.5px;padding:26px 0 36px;position:relative;z-index:2}
footer a{color:var(--cyan);text-decoration:none}
.icp{padding:18px 12px 26px;text-align:center;font-size:12px;color:#94a3b8;position:relative;z-index:2}
.icp a{color:inherit;text-decoration:none}