*{box-sizing:border-box}.audio-standalone{margin:0;min-height:100vh;background:linear-gradient(160deg,#090c10,#151a21 66%,#4a0812);color:#f5f7fa;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif}.audio-page-header{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:15px;min-height:76px;padding:12px max(18px,env(safe-area-inset-left));background:rgba(14,18,23,.94);border-bottom:1px solid #303742;backdrop-filter:blur(16px)}.audio-page-brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none}.audio-page-brand img{width:48px;height:48px;border-radius:15px}.audio-page-brand strong{font-size:20px}.audio-page-brand strong span{color:#f12543}.audio-page-header nav{display:flex;align-items:center;gap:10px}.audio-page-header nav>a,.audio-page-header label{display:flex;align-items:center;gap:7px;min-height:42px;padding:0 12px;border:1px solid #39424e;border-radius:13px;background:#20262e;color:#fff;text-decoration:none;font-weight:850}.audio-page-header select{border:0;background:transparent;color:#fff;font:inherit;outline:none}.audio-page-header option{color:#111}.audio-page-shell{width:min(980px,100%);margin:auto;padding:24px 16px 60px}.audio-page-intro{padding:24px;border:1px solid #303946;border-radius:25px;background:linear-gradient(145deg,#1c222b,#11151a 70%,#790b1b);box-shadow:0 20px 46px rgba(0,0,0,.25)}.audio-page-intro>span{color:#ff667c;font-size:12px;font-weight:950;letter-spacing:.14em;text-transform:uppercase}.audio-page-intro h1{margin:10px 0 9px;font-size:clamp(34px,7vw,58px);line-height:.98;letter-spacing:-.05em}.audio-page-intro p{max-width:720px;margin:0;color:#c2cad5;line-height:1.6}.audio-local-note{margin-top:17px;padding:11px 13px;border-radius:14px;background:rgba(255,255,255,.07);color:#e7ebf1;font-size:12px}.audio-tool-nav{display:flex;gap:8px;margin:16px 0;overflow:auto;padding:2px 0 8px;scrollbar-width:none}.audio-tool-nav::-webkit-scrollbar{display:none}.audio-tool-nav a{flex:0 0 auto;padding:10px 13px;border:1px solid #343d48;border-radius:999px;background:#1c2229;color:#c8d0da;text-decoration:none;font-size:12px;font-weight:850}.audio-tool-nav a.active{border-color:#e52240;background:linear-gradient(145deg,#f12543,#9c091d);color:#fff}.audio-tool-workspace{display:block!important}.audio-tool-workspace .view-head{display:none}.audio-page-footer{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:25px;padding:18px;border-top:1px solid #303741}.audio-page-footer a{color:#c7ced8;text-decoration:none;padding:8px 10px}.audio-toast{position:fixed;left:50%;bottom:24px;z-index:100;max-width:min(92vw,520px);padding:12px 16px;border-radius:14px;background:#101419;color:#fff;box-shadow:0 18px 44px rgba(0,0,0,.38);opacity:0;transform:translate(-50%,15px);pointer-events:none;transition:.2s}.audio-toast.show{opacity:1;transform:translate(-50%,0)}@media(max-width:620px){.audio-page-header{min-height:68px}.audio-page-brand strong{font-size:17px}.audio-page-brand img{width:42px;height:42px}.audio-page-header nav>a{display:none}.audio-page-shell{padding:16px 12px 45px}.audio-page-intro{padding:19px}.audio-page-intro h1{font-size:36px}}