.hero{padding-top:clamp(60px,8vw,100px);padding-bottom:40px;text-align:center}.pill-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--radius-pill);background:#ffffff0d;border:1px solid rgba(255,255,255,.12);font-size:13.5px;font-weight:600;color:var(--cyan);margin-bottom:24px}.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}.hero-title{font-size:clamp(34px,5.5vw,64px);font-weight:800;letter-spacing:-.03em;max-width:20ch;margin:0 auto}.hero-sub{font-size:clamp(15.5px,2vw,18.5px);color:var(--text-soft);max-width:56ch;margin:18px auto 0;line-height:1.6}.search-box{display:flex;align-items:center;gap:10px;max-width:660px;margin:34px auto 0;background:#121722d9;border:1.5px solid rgba(255,255,255,.14);border-radius:var(--radius-pill);padding:6px 8px 6px 20px}.input-wrapper{display:flex;align-items:center;flex:1;gap:10px}.input-icon{color:var(--text-muted);display:flex}.input-wrapper input{width:100%;background:transparent;border:none;color:#fff;font-size:15.5px;outline:none}.results-section{padding-bottom:60px}.res-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px}.preview-box{display:flex;gap:20px;align-items:center;margin-bottom:20px}.preview-cover{width:90px;height:120px;border-radius:10px;object-fit:cover;border:1px solid var(--border)}.spectrum-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:30px;box-shadow:0 20px 50px #0006}.spectrum-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.spec-tier-card{background:#ffffff05;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:10px;transition:transform .15s}.spec-tier-card.highlight{background:#00f2fe0d;border-color:var(--cyan);box-shadow:0 0 25px #00f2fe1f}.spec-header{display:flex;justify-content:space-between;align-items:center}.spec-tier{font-size:18px;font-weight:800;color:#fff}.spec-badge{font-size:11px;font-weight:700;padding:2px 8px;border-radius:var(--radius-pill);background:#ffffff14;color:var(--text-soft)}.spec-tier-card.highlight .spec-badge{background:var(--cyan);color:#000}.spec-name{font-size:14.5px;color:var(--cyan);margin:0;font-weight:700}.spec-desc{font-size:13px;color:var(--text-soft);line-height:1.5;margin:0}.audio-bars-mini{display:flex;align-items:flex-end;gap:4px;height:36px;background:#0000004d;padding:6px;border-radius:6px}.audio-bars-mini span{flex:1;background:var(--cyan);border-radius:2px}.spec-tier-card:not(.highlight) .audio-bars-mini span{background:#ffffff40}.diagram-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px 30px}.demux-flow{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}.flow-step{flex:1;min-width:190px;background:#ffffff05;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:22px 18px;text-align:center}.flow-step.highlight{border-color:var(--cyan);background:#00f2fe0a}.step-num{font-size:12px;font-weight:800;color:var(--cyan);margin-bottom:8px}.step-icon{font-size:26px;margin-bottom:10px}.flow-step h4{color:#fff;font-size:15px;margin:0 0 6px;font-weight:700}.flow-step p{color:var(--text-soft);font-size:13px;line-height:1.5;margin:0}.flow-arrow{color:var(--cyan);font-size:22px;font-weight:800}.compat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.compat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;text-align:left}.compat-icon{font-size:28px;margin-bottom:10px}.compat-card h4{color:#fff;font-size:15.5px;margin:0 0 6px;font-weight:700}.compat-card p{color:var(--text-soft);font-size:13.5px;line-height:1.5;margin:0}.sec-head{text-align:center;margin-bottom:40px}.sec-pill{display:inline-block;padding:4px 12px;border-radius:var(--radius-pill);background:#00f2fe1a;color:var(--cyan);font-size:12.5px;font-weight:700;text-transform:uppercase;margin-bottom:12px}.sec-title{font-size:clamp(26px,4vw,38px);font-weight:800;margin:0}.sec-sub{font-size:clamp(14.5px,1.8vw,16.5px);color:var(--text-soft);max-width:58ch;margin:12px auto 0;line-height:1.6}.faq-list{display:flex;flex-direction:column;gap:12px}.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.faq-summary{padding:18px 22px;font-weight:600;color:#fff;cursor:pointer;display:flex;justify-content:space-between}.faq-body{padding:0 22px 20px;color:var(--text-soft);font-size:14.5px;line-height:1.6}@media(max-width:768px){.demux-flow{flex-direction:column}.flow-arrow{transform:rotate(90deg);margin:4px 0}.compat-grid{grid-template-columns:1fr}}