/* 音频转录翻译 官网样式 */
:root{
  --bg:#ffffff;
  --text:#0f172a; /* slate-900 */
  --muted:#475569; /* slate-600 */
  --line:#e5e7eb; /* gray-200 */
  --primary:#4f46e5; /* indigo-600 */
  --primary-weak:#eef2ff; /* indigo-50 */
  --link:#4338ca; /* indigo-700 */
}

*{box-sizing:border-box}
html,body{padding:0;margin:0}
body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}

.container{max-width:1120px;margin:0 auto;padding:0 20px}

/* Header */
header{position:sticky;top:0;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);z-index:20}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text);text-decoration:none}
.brand-icon{width:28px;height:28px;border-radius:6px}
.nav-links a{color:var(--muted);text-decoration:none;margin-left:18px}
.nav-links a:hover{color:var(--text)}

/* Hero */
.hero{padding:72px 0 24px}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.hero-text h1{font-size:40px;line-height:1.15;margin:0 0 12px}
.lead{font-size:18px;color:var(--muted);margin:0 0 18px}
.cta{display:flex;gap:12px;margin:18px 0 10px}
.btn-primary,.btn-secondary{display:inline-block;padding:12px 16px;border-radius:10px;text-decoration:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary.disabled, .btn-primary[aria-disabled="true"]{opacity:.6;cursor:not-allowed}
.btn-secondary{background:var(--primary-weak);color:var(--link)}
.hero-bullets{padding:0;margin:16px 0 0;list-style:none;display:grid;gap:6px}
.hero-bullets li{color:var(--muted)}
.hero-visual img{width:100%;border:1px solid var(--line);border-radius:16px}

/* Sections */
.section{padding:40px 0;border-top:1px solid var(--line)}
.section h2{font-size:26px;margin:0 0 16px}

/* Features */
.features .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feature-item{border:1px solid var(--line);border-radius:12px;padding:16px}
.feature-item h3{margin:0 0 8px;font-size:18px}
.feature-item p{margin:0;color:var(--muted)}

/* Screenshots */
.screenshots .shots{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.screenshots img{width:100%;border-radius:14px;border:1px solid var(--line)}

/* Download */
.download .download-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.card{border:1px solid var(--line);border-radius:12px;padding:16px}
.card h3{margin:0 0 8px}
.card .meta{margin:8px 0 0 18px;color:var(--muted)}
.card .actions{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.note{color:var(--muted);margin-top:10px}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:10px}
.faq summary{font-weight:600;cursor:pointer}
.faq p{margin:8px 0 0;color:var(--muted)}

/* Footer */
.footer{border-top:1px solid var(--line);padding:18px 0 26px;background:#fafafa}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
.footer .sub{color:var(--muted);margin:6px 0 0}
.footer .links a{display:inline-block;margin-right:14px;color:var(--muted);text-decoration:none}
.footer .links a:hover{color:var(--text)}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700}
.copyright{margin-top:12px;color:var(--muted);font-size:13px}

/* Responsive */
@media (max-width: 900px){
  .hero-grid{grid-template-columns:1fr}
  .features .feature-grid{grid-template-columns:1fr 1fr}
  .screenshots .shots{grid-template-columns:1fr 1fr}
  .download .download-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}

@media (max-width: 600px){
  .features .feature-grid{grid-template-columns:1fr}
  .screenshots .shots{grid-template-columns:1fr}
}