.bv174{--ink:#eef5ff;--muted:#8da2c6;--panel:#0b162a;--line:#213451;--accent:#20d6a3;color:var(--ink);max-width:1500px;margin:auto}.bv174 *{box-sizing:border-box}.bv174-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.bv174-head h2{font-size:30px;margin:5px 0}.bv174-head p,.bv174 small{color:var(--muted)}.bv174-drop{border:1px dashed #456384;border-radius:18px;min-height:330px;display:grid;place-items:center;text-align:center;background:linear-gradient(145deg,#0d1a31,#081221);padding:30px}.bv174-drop input{display:none}.bv174-drop .icon{font-size:54px}.bv174-progress{width:min(520px,90%);margin:20px auto}.bv174-progress progress{width:100%;height:10px;accent-color:var(--accent)}.bv174-editor{display:grid;grid-template-columns:minmax(420px,1.15fr) minmax(390px,.85fr);gap:16px}.bv174-video,.bv174-side,.bv174-bar{background:var(--panel);border:1px solid var(--line);border-radius:16px}.bv174-video{padding:12px}.bv174-video video{display:block;width:100%;max-height:58vh;background:#000;border-radius:12px}.bv174-timeline{position:relative;height:62px;margin-top:10px;background:#07101e;border-radius:9px;overflow:hidden}.bv174-block{position:absolute;top:15px;height:32px;min-width:3px;border:0;border-radius:5px;background:#2d6c7a}.bv174-block.on{background:var(--accent)}.bv174-side{padding:12px;max-height:70vh;overflow:auto}.bv174-seg{border:1px solid #243957;border-left:3px solid #445c7d;border-radius:11px;padding:10px;margin-bottom:9px;background:#0d1b30}.bv174-seg.on{border-left-color:var(--accent);background:#10263a}.bv174-time{font:12px ui-monospace;color:#62e2bc;margin-bottom:7px}.bv174-seg label{display:block;color:var(--muted);font-size:11px;margin-top:6px}.bv174-seg textarea{width:100%;resize:vertical;min-height:48px;border:1px solid #293e5e;border-radius:7px;background:#07111f;color:#fff;padding:8px}.bv174-source{white-space:pre-wrap;margin:4px 0}.bv174-bar{grid-column:1/-1;padding:14px;display:flex;align-items:center;flex-wrap:wrap;gap:10px;position:sticky;bottom:8px}.bv174-bar select{min-width:230px}.bv174-pill{padding:7px 11px;border-radius:999px;background:#112943;color:#85e9ca}.bv174-modal{position:fixed;inset:0;background:#000a;z-index:90;display:grid;place-items:center;padding:20px}.bv174-modal-card{width:min(760px,100%);max-height:80vh;overflow:auto;background:#0c172a;border:1px solid #30496d;border-radius:18px;padding:20px}.bv174-voice{display:grid;grid-template-columns:1fr auto;gap:8px;padding:11px;border-bottom:1px solid #20334e}.bv174-error{color:#ff9f9f}.bv174-success{color:#66e8bd}@media(max-width:900px){.bv174-editor{grid-template-columns:1fr}.bv174-side{max-height:none}.bv174-bar{grid-column:1}}
.bv174-profile{display:inline-block;margin:4px 0 0;padding:6px 10px;border:1px solid #284563;border-radius:999px;background:#0b1d31;color:#77e4c4!important;font-size:12px}.bv174-check{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:13px}.bv174-check input{accent-color:var(--accent)}
.bv174-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px}.bv174-toolbar h3{margin:4px 0;font-size:22px}.bv174-row{display:grid;grid-template-columns:auto 132px auto 132px 62px auto auto;align-items:center;gap:7px}.bv174-row input,.bv174-row select,.bv174-settings select{min-width:0;border:1px solid #293e5e;border-radius:7px;background:#07111f;color:#fff;padding:7px}.bv174-seg textarea[data-source]{min-height:42px;color:#b9cae4}.bv174-seg.warn{border-left-color:#f2ae49}.bv174-seg.warn>small{color:#f4bb69}.bv174-settings{margin-top:12px;border-top:1px solid var(--line);padding-top:10px}.bv174-settings h4{margin:12px 0 7px}.bv174-setting{display:block;margin:10px 0}.bv174-setting>span{display:flex;justify-content:space-between;color:var(--muted);font-size:13px}.bv174-setting input{width:100%;accent-color:var(--accent)}.bv174-setting b{color:var(--ink)}.bv174 .danger{color:#ff9f9f;border-color:#633}.bv174-modal-card audio{width:100%;margin-top:10px}
.bv174-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:0 0 16px}.bv174-steps span{display:flex;align-items:center;gap:8px;padding:11px;border:1px solid var(--line);border-radius:11px;color:var(--muted);background:#081426}.bv174-steps span.on{border-color:#23745e;color:#bff8e7;background:#0c2b29}.bv174-steps b{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#1a2d48}.bv174-steps .on b{background:var(--accent);color:#041511}.bv174-config{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;padding:12px;margin-bottom:12px;border:1px solid var(--line);border-radius:13px;background:var(--panel)}.bv174-config label{display:grid;gap:6px;font-size:11px;color:var(--muted)}.bv174-config select{width:100%;padding:8px;border:1px solid #293e5e;border-radius:7px;background:#07111f;color:#dce9fb}.bv174-stage{position:relative}.bv174-stage #bv174-caption-preview{position:absolute;left:5%;right:5%;bottom:8%;padding:7px 12px;border-radius:8px;background:#000b;color:#fff;text-align:center;font-size:clamp(16px,2vw,26px);line-height:1.35;text-shadow:0 1px 2px #000;pointer-events:none}.bv174-stage #bv174-caption-preview[hidden]{display:none}.bv174-note{color:#8da2c6;font-size:12px;line-height:1.55}.bv174-history{margin-top:15px;border:1px solid var(--line);border-radius:13px;background:var(--panel);padding:11px}.bv174-history summary{cursor:pointer;color:#cce0f8}.bv174-history button{display:flex;width:100%;justify-content:space-between;gap:10px;margin-top:7px;padding:9px;border:1px solid #243957;border-radius:8px;background:#09172a;color:#fff;text-align:left;cursor:pointer}.bv174-history small{white-space:nowrap}
@media(max-width:950px){.bv174-config{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.bv174-row{grid-template-columns:auto 1fr auto 1fr}.bv174-row select,.bv174-row button{grid-row:2}.bv174-toolbar{align-items:flex-start;flex-direction:column}}
@media(max-width:620px){.bv174-steps,.bv174-config{grid-template-columns:1fr}.bv174-history button{display:grid}.bv174-history small{white-space:normal}}
.bv174-natural{display:grid;gap:3px;margin-top:9px;padding:11px;border:1px solid #26765f;border-radius:10px;background:#0b2927}.bv174-natural b{color:#83efd0}.bv174-natural small{line-height:1.5}.bv-cleanup-panel,.bv-scan-hint{display:none!important}
.bv198-voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.bv198-voice-grid fieldset{min-width:0;margin:0;padding:8px;border:1px solid var(--line);border-radius:9px}.bv198-voice-grid legend{color:#83efd0;font-weight:700}.bv198-panel{margin-top:12px;padding:10px;border:1px solid var(--line);border-radius:10px;background:#081426}.bv198-panel summary{cursor:pointer;color:#cce0f8;font-weight:700}.bv198-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:10px}.bv198-grid label{display:grid;gap:5px;color:var(--muted);font-size:12px}.bv198-grid input,.bv198-grid select,.bv198-panel textarea{width:100%;min-width:0;padding:7px;border:1px solid #293e5e;border-radius:7px;background:#07111f;color:#fff}.bv198-checks,.bv198-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}.bv198-checks label{color:var(--muted);font-size:12px}.bv198-actions{justify-content:flex-end}@media(max-width:700px){.bv198-voice-grid,.bv198-grid{grid-template-columns:1fr}}