:root{color-scheme:dark;--bg:#080d19;--card:#111a2d;--panel:#0a1120;--border:#25334b;--text:#f4f7ff;--muted:#9baac2;--blue:#54d5ff;--purple:#9b8cff;--red:#ff5368;--green:#37e6ad;--shadow:0 24px 70px #0007}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 50% -15%,#1a3560 0,transparent 46%),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-tap-highlight-color:transparent}.top-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px clamp(14px,4vw,32px);border-bottom:1px solid #ffffff12;background:#0b1222d9;backdrop-filter:blur(16px)}.btn-back{display:inline-flex;align-items:center;gap:8px;padding:9px 13px;border:1px solid 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16px 18px;margin-bottom:24px;border:1px solid #293954;border-radius:22px;background:radial-gradient(ellipse at 50% 30%,#1d3150 0,transparent 65%),#080f1e}.ptt-waveform{height:27px;display:flex;align-items:center;justify-content:center;gap:5px;margin-bottom:13px}.ptt-waveform span{height:5px;width:4px;border-radius:6px;background:#3b4b66;transition:height .15s}.ptt-container.tx .ptt-waveform span{background:var(--red);animation:wave .35s ease-in-out infinite alternate}.ptt-container.rx .ptt-waveform span{background:var(--green);animation:wave .5s ease-in-out infinite alternate}.ptt-waveform span:nth-child(2),.ptt-waveform span:nth-child(6){animation-delay:.1s}.ptt-waveform span:nth-child(3),.ptt-waveform span:nth-child(5){animation-delay:.2s}@keyframes wave{to{height:25px}}.btn-ptt{position:relative;display:grid;place-items:center;width:clamp(158px,48vw,190px);aspect-ratio:1;border:1px solid #58d8ff8a;border-radius:50%;color:white;background:radial-gradient(circle at 35% 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var(--border)}.log-header{margin-bottom:8px;color:var(--muted);font-size:.72rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase}.log-console{display:flex;flex-direction:column;gap:3px;height:100px;overflow:auto;padding:10px;border:1px solid #1b2940;border-radius:10px;background:#060a12;color:#9aabc4;font: .72rem/1.45 ui-monospace,SFMono-Regular,Consolas,monospace}.log-entry{overflow-wrap:anywhere}.info-guide{padding:16px;border:1px solid var(--border);border-radius:15px;background:#090f1d;color:var(--muted);font-size:.8rem;line-height:1.65}.info-guide h2{margin:0 0 7px;color:var(--text);font-size:.95rem}.info-guide p{margin:0 0 9px}.info-guide ul{display:grid;gap:6px;padding-left:19px;margin:0 0 10px}.info-guide strong{color:#c9eaff}.info-guide .notice{margin:12px 0 0;padding:10px;border-left:2px solid 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