:root{
  --bg:#f8fafc;
  --paper:#ffffff;
  --ink:#0f172a;
  --muted:#475569;
  --line:rgba(15,23,42,.12);
  --soft:rgba(15,23,42,.06);
  --brand:#2563eb;
  --brand2:#059669;
  --shadow:0 14px 36px rgba(15,23,42,.10);
  --r:16px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);line-height:1.75;
  background:
    radial-gradient(900px 500px at 12% -10%,rgba(37,99,235,.12),transparent 55%),
    radial-gradient(900px 540px at 90% 0,rgba(5,150,105,.10),transparent 60%),
    linear-gradient(180deg,rgba(255,255,255,.55),rgba(255,255,255,0)),
    repeating-linear-gradient(0deg,rgba(15,23,42,.03),rgba(15,23,42,.03) 1px,transparent 1px,transparent 28px),
    var(--bg);
}
a{color:inherit}
img{max-width:100%;display:block}

.top{position:sticky;top:0;z-index:50;background:rgba(248,250,252,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{max-width:1120px;margin:0 auto;display:flex;align-items:center;gap:12px;padding:12px 16px}
.id{display:flex;align-items:center;gap:10px;text-decoration:none}
.id img{width:34px;height:34px;border-radius:10px;box-shadow:0 10px 22px rgba(15,23,42,.10)}
.idtxt{font-weight:950;letter-spacing:.2px}
.idtxt span{background:linear-gradient(90deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}

.stamp{margin-left:10px;font-family:var(--mono);font-size:12px;color:rgba(15,23,42,.70);border:1px solid var(--line);background:rgba(255,255,255,.65);border-radius:999px;padding:6px 10px;display:flex;gap:8px;align-items:center}
.stamp b{font-weight:900;color:rgba(15,23,42,.82)}

.nav{margin-left:auto;display:flex;align-items:center;gap:8px}
.nav a{color:rgba(15,23,42,.72);text-decoration:none;padding:10px 12px;border-radius:12px;border:1px solid transparent;transition:background .18s ease,border-color .18s ease,color .18s ease}
.nav a:hover{background:rgba(37,99,235,.06);border-color:rgba(37,99,235,.18);color:var(--ink)}
.nav a.cur{background:rgba(5,150,105,.08);border-color:rgba(5,150,105,.24);color:var(--ink)}

.toggle{display:none;margin-left:auto;border:1px solid var(--line);background:rgba(255,255,255,.88);color:var(--ink);border-radius:12px;padding:10px 12px}
.toggle:focus{outline:2px solid rgba(37,99,235,.25);outline-offset:2px}

.shell{max-width:1120px;margin:0 auto;padding:18px 16px 80px}

.hero{border-radius:22px;border:1px solid var(--line);background:rgba(255,255,255,.88);backdrop-filter:blur(8px);box-shadow:var(--shadow);overflow:hidden}
.hero .in{padding:18px}
.hero h1{margin:6px 0 0;font-size:34px;line-height:1.18;letter-spacing:.2px}
.hero p{margin:10px 0 0;color:rgba(15,23,42,.74)}

.chips{margin-top:12px;display:flex;gap:8px;flex-wrap:wrap}
.chip{font-size:12px;font-family:var(--mono);color:rgba(15,23,42,.70);border:1px solid var(--line);background:rgba(15,23,42,.02);padding:6px 10px;border-radius:999px}

.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.btn{appearance:none;border:0;cursor:pointer;border-radius:14px;padding:12px 14px;font-weight:900;letter-spacing:.2px}
.btn.primary{background:linear-gradient(90deg,var(--brand),var(--brand2));color:#fff}
.btn.primary:hover{filter:brightness(1.03)}
.btn.ghost{background:rgba(255,255,255,.92);border:1px solid rgba(15,23,42,.14);color:var(--ink)}
.btn.ghost:hover{background:rgba(15,23,42,.03)}

.search{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.search input{flex:1;min-width:220px;border-radius:14px;border:1px solid rgba(15,23,42,.14);background:rgba(255,255,255,.92);padding:12px 12px;font-size:14px;outline:none}
.search input:focus{border-color:rgba(37,99,235,.32);box-shadow:0 0 0 4px rgba(37,99,235,.12)}
.search .hint{font-size:12px;color:rgba(15,23,42,.70);border:1px dashed rgba(15,23,42,.22);padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.70)}

.sec{margin-top:18px}
.sec .hd{display:flex;align-items:end;justify-content:space-between;gap:10px}
.sec h2{margin:0;font-size:18px}
.sec .more{font-size:13px;color:rgba(15,23,42,.66);text-decoration:none}
.sec .more:hover{text-decoration:underline}

.grid{margin-top:12px;display:grid;grid-template-columns:repeat(12,1fr);gap:12px}

.panel{grid-column:span 12;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.90);box-shadow:0 10px 22px rgba(15,23,42,.06);overflow:hidden}
.panel .pt{padding:14px 14px 10px}
.panel .pt p{margin:8px 0 0;color:rgba(15,23,42,.72)}

.table{border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:110px 1fr 110px;gap:12px;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line)}
.row:hover{background:rgba(37,99,235,.04)}
.k{font-family:var(--mono);font-size:12px;color:rgba(15,23,42,.70)}
.t a{text-decoration:none}
.t a:hover{text-decoration:underline}
.m{font-family:var(--mono);font-size:12px;color:rgba(15,23,42,.62);text-align:right}

.cards{margin-top:12px;display:grid;grid-template-columns:repeat(12,1fr);gap:12px}
.card{grid-column:span 4;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.92);overflow:hidden;box-shadow:0 10px 22px rgba(15,23,42,.06);text-decoration:none}
.card .ph{height:120px;background:rgba(15,23,42,.04)}
.card .ph img{width:100%;height:100%;object-fit:contain}
.card .bd{padding:12px 14px}
.card h3{margin:0;font-size:16px}
.card p{margin:8px 0 0;color:rgba(15,23,42,.72)}
.card .meta{margin-top:10px;display:flex;gap:10px;flex-wrap:wrap;font-family:var(--mono);font-size:12px;color:rgba(15,23,42,.58)}

.post{max-width:920px;margin:0 auto;padding:18px 16px 80px}
.back{display:inline-flex;gap:8px;align-items:center;text-decoration:none;color:rgba(15,23,42,.72)}
.back:hover{text-decoration:underline}

.paper{margin-top:12px;border-radius:22px;border:1px solid var(--line);background:rgba(255,255,255,.94);box-shadow:var(--shadow);padding:18px}
.paper h1{margin:6px 0 0;font-size:30px;line-height:1.2}
.sub{margin:10px 0 0;font-family:var(--mono);font-size:12px;color:rgba(15,23,42,.62)}
.body{margin-top:12px;color:rgba(15,23,42,.86)}
.body h2{margin:18px 0 8px;font-size:18px}
.body ul{margin:10px 0 0;padding-left:18px}
.body li{margin:6px 0}
.note{border-left:4px solid rgba(5,150,105,.45);padding:10px 12px;background:rgba(5,150,105,.07);border-radius:12px}

.foot{border-top:1px solid var(--line);background:rgba(255,255,255,.45)}
.footin{max-width:1120px;margin:0 auto;padding:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.copy{color:rgba(15,23,42,.72)}
.links{display:flex;gap:12px;flex-wrap:wrap}
.links a{color:rgba(15,23,42,.72);text-decoration:none}
.links a:hover{text-decoration:underline}

@media (max-width: 880px){
  .stamp{display:none}
  .toggle{display:inline-flex}
  .nav{display:none;position:absolute;left:16px;right:16px;top:60px;border-radius:16px;border:1px solid rgba(15,23,42,.12);background:rgba(255,255,255,.97);box-shadow:0 18px 40px rgba(15,23,42,.12);padding:10px}
  .nav.open{display:flex;flex-direction:column;gap:6px}
  .nav a{padding:12px 12px}
  .row{grid-template-columns:92px 1fr;grid-template-rows:auto auto}
  .m{text-align:left}
  .cards .card{grid-column:span 12}
}