:root{--bg:#0e1116;--panel:#171b22;--panel-2:#1f242d;--border:#2a313c;--text:#e7ecf3;--muted:#9aa6b6;--accent:#ff5d5d;--accent-2:#4f8cff;--green:#35c489}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.container{max-width:980px;margin:0 auto;padding:24px 20px 80px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.brand{font-size:20px;font-weight:700;letter-spacing:.5px}.brand .dot{color:var(--accent)}.muted{color:var(--muted)}.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);background:var(--panel-2);color:var(--text);padding:10px 16px;border-radius:10px;font-size:15px;cursor:pointer;transition:filter .15s,background .15s}.btn:hover{filter:brightness(1.12)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent)}.btn-accent,.btn-primary{color:#fff;font-weight:600}.btn-accent{background:var(--accent-2);border-color:var(--accent-2)}.btn-ghost{background:transparent}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:18px}.grid{display:grid;grid-gap:16px;gap:16px}.timeline-item{display:flex;gap:16px;align-items:center;padding:16px;border:1px solid var(--border);border-radius:14px;background:var(--panel);transition:border-color .15s,transform .15s}.timeline-item:hover{border-color:var(--accent-2);transform:translateY(-1px)}.badge{font-size:12px;padding:3px 9px;border-radius:999px;border:1px solid var(--border);color:var(--muted);white-space:nowrap}.badge.done{color:var(--green);border-color:var(--green)}.badge.pending{color:var(--accent-2);border-color:var(--accent-2)}.video-box{width:100%;background:#000;border-radius:12px;border:1px solid var(--border);aspect-ratio:16/9;object-fit:contain}.two-col{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}@media (max-width:760px){.two-col{grid-template-columns:1fr}}.label{font-size:13px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:8px}.script{white-space:pre-wrap;line-height:1.7;font-size:16px}.input{width:100%;background:var(--panel-2);border:1px solid var(--border);color:var(--text);border-radius:10px;padding:12px 14px;font-size:15px}.steps{margin-bottom:24px;flex-wrap:wrap}.step,.steps{display:flex;gap:8px}.step{align-items:center;font-size:14px;color:var(--muted);padding:6px 12px;border-radius:999px;border:1px solid var(--border)}.step.active{color:var(--text);border-color:var(--accent)}.step.done{color:var(--green);border-color:var(--green)}.rec-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);animation:pulse 1.2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.25}}.center{text-align:center}.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.spinner{width:16px;height:16px;border:2px solid hsla(0,0%,100%,.25);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.error{color:var(--accent);background:rgba(255,93,93,.1);border:1px solid rgba(255,93,93,.35);border-radius:10px;padding:12px 14px;font-size:14px}.teleprompter{background:#000;border:1px solid var(--border);border-radius:12px;padding:28px;height:220px;overflow-y:auto;line-height:1.9;scroll-behavior:smooth}.caption{position:absolute;left:12px;right:12px;bottom:12px;padding:10px 14px;background:rgba(0,0,0,.62);border-radius:10px;font-size:18px;line-height:1.5;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.8);max-height:40%;overflow-y:auto}.sync-prompter{background:#000;border:1px solid var(--border);border-radius:12px;padding:18px 22px;height:300px;overflow-y:auto;scroll-behavior:smooth}.seg{padding:10px 12px;border-radius:10px;margin:4px 0;transition:background .2s,opacity .2s;opacity:.4}.seg.done{opacity:.55}.seg.active{opacity:1;background:rgba(79,140,255,.16);box-shadow:inset 3px 0 0 var(--accent-2)}.seg .seg-en{font-size:22px;line-height:1.5}.seg.active .seg-en{font-weight:600}.seg .seg-zh{font-size:14px;color:var(--muted);margin-top:4px}