:root{
  --yellow:#ffd028;--red:#ff4468;--teal:#3fe0dc;--ink:#07080c;
  --text:#f2f3f7;--muted:#8d93a8;--line:rgba(255,255,255,.12);--mm:#b98cff;
  --sans:"Microsoft YaHei UI","PingFang SC","Noto Sans SC","Hiragino Sans",sans-serif;
  --mono:"SF Mono",Menlo,Consolas,"Cascadia Code",monospace;
}
*{box-sizing:border-box}
body{margin:0;background:var(--ink);color:var(--text);font-family:var(--sans);line-height:1.65}
a{color:inherit;text-decoration:none}
.bg{position:fixed;inset:0;z-index:-1;pointer-events:none;background:
  radial-gradient(60% 50% at 18% 0%,rgba(63,224,220,.09),transparent 65%),
  radial-gradient(50% 45% at 92% 8%,rgba(185,140,255,.12),transparent 70%),
  repeating-linear-gradient(0deg,rgba(255,255,255,.028) 0 1px,transparent 1px 72px),
  repeating-linear-gradient(90deg,rgba(255,255,255,.028) 0 1px,transparent 1px 72px)}
.top{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:15px 34px;background:rgba(7,8,12,.75);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.06)}
.brand{display:flex;align-items:center;gap:12px}
.brand .mark{display:block;width:30px;height:26px;background:var(--yellow);
  -webkit-mask:url("../../logo.svg") center/contain no-repeat;mask:url("../../logo.svg") center/contain no-repeat}
.brand b{font-size:18px}
.brand em{font:700 10px var(--mono);letter-spacing:3px;color:var(--ink);background:var(--yellow);padding:3px 8px;border-radius:4px;font-style:normal}
.nav{display:flex;gap:8px}
.nav a{border:1px solid var(--line);border-radius:10px;padding:7px 12px;font-size:12px;color:var(--muted);transition:.2s}
.nav a:hover{border-color:var(--yellow);color:var(--text)}
main{max-width:1120px;margin:0 auto;padding:46px 34px 20px}
.hero{border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:28px;margin-bottom:28px}
.eyebrow{display:flex;align-items:center;gap:10px;font:700 11px var(--mono);letter-spacing:3.4px;color:var(--teal)}
.eyebrow span{width:7px;height:7px;border-radius:50%;background:var(--red);box-shadow:0 0 0 5px rgba(255,68,104,.12)}
h1{font-size:clamp(32px,4.4vw,56px);line-height:1.14;letter-spacing:-1.2px;margin:16px 0 12px;font-weight:800}
.hero p{color:var(--muted);font-size:14px;max-width:800px;margin:0}
code{font:600 11px var(--mono);color:var(--yellow);background:rgba(255,208,40,.08);padding:2px 5px;border-radius:4px}
.block{margin:30px 0}
.bh{display:flex;align-items:baseline;gap:12px;margin-bottom:12px}
.bh h2{font-size:22px;margin:0}
.bh span{font:600 10px var(--mono);letter-spacing:1.4px;color:var(--muted)}
.cards{display:flex;flex-direction:column;gap:14px}
.card{border:1px solid var(--line);border-radius:16px;padding:18px 20px;background:linear-gradient(180deg,rgba(21,24,34,.9),rgba(12,14,20,.9))}
.ch{display:flex;align-items:center;gap:9px;margin-bottom:4px}
.ch b{font-size:15px}
.lang{font:700 9.5px var(--mono);letter-spacing:1.4px;border:1px solid var(--line);border-radius:4px;padding:2px 6px;color:var(--muted)}
.lang.zh{color:var(--red);border-color:rgba(255,68,104,.35)}
.lang.ja{color:var(--teal);border-color:rgba(63,224,220,.35)}
.lang.en{color:var(--yellow);border-color:rgba(255,208,40,.35)}
.txt{font-size:13px;color:var(--muted);margin:4px 0 12px;border-left:2px solid var(--line);padding-left:10px}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.player{border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:rgba(7,8,12,.45)}
.player label{display:block;font:700 10.5px var(--mono);letter-spacing:1px;color:var(--muted);margin-bottom:5px}
.player.mm{border-color:rgba(185,140,255,.4);background:rgba(185,140,255,.05)}
.player.mm label{color:var(--mm)}
.player audio{width:100%;height:34px;filter:invert(.92) hue-rotate(180deg)}
.lead{color:var(--muted);font-size:12.5px;margin:0 0 12px}
.full .player{padding:14px}
.note{border:1px dashed var(--line);border-radius:14px;padding:16px 18px;color:var(--muted);font-size:12.5px;background:rgba(255,255,255,.015);margin-top:26px}
.note b{display:block;color:var(--text);font-size:13px;margin-bottom:4px}
.note p{margin:0}
footer{max-width:1120px;margin:34px auto 0;padding:18px 34px 30px;border-top:1px solid rgba(255,255,255,.07);
  display:flex;justify-content:space-between;gap:14px;font:600 10.5px var(--mono);letter-spacing:1.2px;color:#5f657a}
@media(max-width:760px){
  .top{padding:12px 16px}.brand em{display:none}
  main{padding:28px 16px 10px}
  .pair{grid-template-columns:1fr}
}