.hsb-audio-wrap{position:fixed;right:18px;bottom:18px;z-index:9999;background:rgba(255,255,255,.96);border:1px solid #dbe2ea;border-radius:16px;box-shadow:0 12px 28px rgba(15,23,42,.16);padding:12px;width:min(360px,calc(100vw - 24px))}
.hsb-audio-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}
.hsb-audio-title{font-weight:700;color:#0f172a;font-size:14px;line-height:1.3}
.hsb-audio-actions{display:flex;gap:6px;flex-wrap:wrap}
.hsb-audio-btn{border:1px solid #cbd5e1;background:#fff;border-radius:10px;padding:6px 10px;font-size:12px;cursor:pointer}
.hsb-audio-btn.primary{background:#2563eb;color:#fff;border-color:#2563eb}
.hsb-audio-player{width:100%}
.hsb-audio-hint{margin-top:6px;font-size:12px;color:#64748b;line-height:1.4}
@media (max-width:640px){.hsb-audio-wrap{left:12px;right:12px;bottom:12px;width:auto}}