:root{--bg:#0b0d10;--panel:#13171c;--panel2:#1a1f26;--line:#262c35;--text:#e8ebef;--muted:#9aa4b2;--accent:#e82127;--accent2:#3e9bff;--ok:#2fbf71;--radius:14px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--accent2);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
header.site{position:sticky;top:0;z-index:10;background:rgba(11,13,16,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;gap:24px;height:64px}
.logo{font-weight:800;font-size:20px;color:var(--text);letter-spacing:-.02em}.logo span{color:var(--accent)}
nav.main{display:flex;gap:18px;flex-wrap:wrap;font-size:14px}nav.main a{color:var(--muted)}nav.main a:hover,nav.main a.on{color:var(--text);text-decoration:none}
.btn{display:inline-block;background:var(--accent);color:#fff;border:0;border-radius:10px;padding:10px 16px;font-weight:600;cursor:pointer;font-size:14px}.btn:hover{filter:brightness(1.1);text-decoration:none}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
.hero{padding:56px 0 28px}.hero h1{font-size:clamp(30px,5vw,48px);line-height:1.1;margin:0 0 12px;letter-spacing:-.03em}
.hero p{color:var(--muted);font-size:18px;max-width:720px;margin:0 0 24px}
.search{display:flex;gap:10px;max-width:720px}.search input{flex:1;background:var(--panel);border:1px solid var(--line);color:var(--text);border-radius:12px;padding:14px 16px;font-size:16px;outline:none}
.search input:focus{border-color:var(--accent2)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 8px}.chip{background:var(--panel);border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:7px 13px;font-size:13px;cursor:pointer}
.chip.on,.chip:hover{color:#fff;border-color:var(--accent);background:#2a1214}
.filters{display:flex;gap:16px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:8px}.filters label{display:flex;gap:6px;align-items:center;cursor:pointer;white-space:nowrap}.filters input{width:auto;margin:0}
.count{color:var(--muted);font-size:13px;margin:6px 0 14px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:8px;transition:border-color .15s,transform .15s;color:var(--text)}
.card:hover{border-color:#3a4350;transform:translateY(-2px);text-decoration:none}
.card h3{margin:0;font-size:17px}.card p{margin:0;color:var(--muted);font-size:14px;flex:1}
.meta{display:flex;flex-wrap:wrap;gap:6px}.tag{font-size:11.5px;padding:3px 8px;border-radius:6px;background:var(--panel2);color:var(--muted);border:1px solid var(--line)}
.tag.cat{color:#ffb4b6;border-color:#4a1d20;background:#22100f}.tag.oss{color:#9ff0c4;border-color:#1d4a33;background:#0f2219}.tag.ai{color:#b9d9ff;border-color:#1d3550;background:#0f1a26}
.price{font-size:13px;color:#cfd6df}
section{padding:28px 0}section h2{font-size:26px;margin:0 0 6px;letter-spacing:-.02em}.sub{color:var(--muted);margin:0 0 18px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.news{display:grid;grid-template-columns:1.2fr 1fr;gap:20px;align-items:center}.news form{display:flex;gap:10px}.news input{flex:1}
input,textarea,select{background:var(--panel2);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:11px 12px;font:inherit;width:100%}
textarea{min-height:110px}label.f{display:block;font-size:13px;color:var(--muted);margin:12px 0 4px}
.notice{border:1px dashed #5a4a1a;background:#1d180a;color:#f1d58a;border-radius:10px;padding:10px 14px;font-size:14px;margin:12px 0}
.crumbs{font-size:13px;color:var(--muted);margin:26px 0 8px}.crumbs a{color:var(--muted)}
.detail{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:start}
dl.facts{margin:0;display:grid;grid-template-columns:150px 1fr;gap:10px 14px;font-size:14.5px}dl.facts dt{color:var(--muted)}dl.facts dd{margin:0}
.side .panel{position:sticky;top:84px}
table.acc{width:100%;border-collapse:collapse;font-size:14.5px}table.acc th,table.acc td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:top}table.acc th{color:var(--muted);font-weight:500;font-size:13px}
footer.site{border-top:1px solid var(--line);margin-top:48px;padding:28px 0 40px;color:var(--muted);font-size:13px}
footer.site .cols{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}footer.site a{color:var(--muted)}
.hidden{display:none!important}
@media (max-width:820px){.detail,.news{grid-template-columns:1fr}nav.main{display:none}.news form{flex-direction:column}}
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}
.formnote{font-size:13px;color:var(--muted);margin:10px 0 0}