:root{
  --yellow:#ffd028;--red:#ff4468;--teal:#3fe0dc;--ink:#07080c;--cam:#161a26;
  --text:#f2f3f7;--muted:#8d93a8;--line:rgba(255,255,255,.12);
  --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}
html{-webkit-text-size-adjust:100%}
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(255,68,104,.09),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;letter-spacing:.3px}
.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}
.ghost{border:1px solid var(--line);border-radius:10px;padding:7px 12px;font-size:12px;color:var(--muted);transition:.2s}
.ghost:hover{border-color:var(--yellow);color:var(--text)}
.nav{display:flex;gap:8px}
main{max-width:1180px;margin:0 auto;padding:48px 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(30px,4vw,52px);line-height:1.16;letter-spacing:-1px;margin:16px 0 12px;font-weight:800}
.hero p{color:var(--muted);font-size:14px;max-width:760px;margin:0}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.filters button{border:1px solid var(--line);background:rgba(22,26,38,.6);color:var(--muted);border-radius:999px;
  padding:7px 14px;font-size:12px;cursor:pointer;transition:.2s}
.filters button small{font:700 10px var(--mono);opacity:.7;margin-left:4px}
.filters button:hover{color:var(--text);border-color:rgba(255,208,40,.5)}
.filters button.on{background:var(--yellow);border-color:var(--yellow);color:var(--ink)}
.filters button.on small{opacity:.65}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.voice{border:1px solid var(--line);border-radius:16px;padding:20px;background:linear-gradient(180deg,rgba(21,24,34,.9),rgba(12,14,20,.9));
  transition:border-color .2s,transform .2s;position:relative;overflow:hidden}
.voice:hover{border-color:rgba(255,208,40,.4);transform:translateY(-2px)}
.voice::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;background:var(--line)}
.voice[data-lang="zh"]::before{background:var(--red)}
.voice[data-lang="ja"]::before{background:var(--teal)}
.voice[data-lang="en"]::before{background:var(--yellow)}
.vtop{display:flex;align-items:center;gap:8px;margin-bottom:4px}
.lang{font:700 9.5px var(--mono);letter-spacing:1.4px;color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:2px 6px}
.style{font-size:11px;color:var(--muted)}
.voice h2{margin:7px 0 1px;font-size:22px;letter-spacing:.2px}
.voice code{font:600 10.5px var(--mono);color:#6d7389}
.voice audio{width:100%;height:38px;margin:14px 0 10px;filter:invert(.92) hue-rotate(180deg)}
.sample{font-size:12px;color:var(--muted);margin:0;border-left:2px solid var(--line);padding-left:10px}
.note{margin-top:22px;border:1px dashed var(--line);border-radius:14px;padding:16px 18px;color:var(--muted);font-size:12px;background:rgba(255,255,255,.015)}
.note b{display:block;color:var(--text);font-size:13px;margin-bottom:4px}
.note p{margin:0}
footer{max-width:1180px;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}
footer a:hover{color:var(--yellow)}
@media(max-width:760px){
  .top{padding:12px 16px}
  .brand em{display:none}
  main{padding:28px 16px 10px}
  .grid{grid-template-columns:1fr}
  footer{flex-direction:column;padding:16px}
}