:root{--ink:#172033;--muted:#768197;--line:#e5e9f1;--soft:#f6f8fc;--primary:#6657d9;--primary-dark:#5244c4;--primary-soft:#f0eefe;--green:#23a778;--shadow:0 18px 50px rgba(47,55,87,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f5f7fb;color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif}button,input,select,textarea{font:inherit}button,a,label{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}.hidden{display:none!important}
.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 max(28px,calc((100vw - 1440px)/2));position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:20px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;color:white;border-radius:10px;background:linear-gradient(145deg,#8174ee,#5142bf);box-shadow:0 7px 16px #7669dc55}.badge{font-size:11px;background:var(--primary-soft);color:var(--primary);border-radius:20px;padding:5px 9px;font-weight:700}
.page-shell{max-width:1440px;margin:auto;padding:36px 28px 72px}.hero{display:flex;align-items:flex-end;margin-bottom:28px}.eyebrow{font-size:11px;color:var(--primary)!important;font-weight:800;letter-spacing:2px}.hero h1{margin:6px 0 8px;font-size:32px;letter-spacing:-1px}.hero p{margin:0;color:var(--muted);font-size:14px}
.stepper{background:white;border:1px solid var(--line);border-radius:16px;display:flex;align-items:center;padding:18px 26px;margin-bottom:18px;box-shadow:0 6px 28px rgba(47,55,87,.04)}.step{border:0;background:transparent;display:flex;align-items:center;gap:10px;padding:0;text-align:left;color:#9aa2b2}.step b{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#f0f2f6;font-size:13px}.step span{display:flex;flex-direction:column;white-space:nowrap}.step strong{font-size:13px}.step small{font-size:10px;margin-top:3px}.stepper>i{height:1px;background:#e8ebf2;flex:1;margin:0 18px}.step.active,.step.complete{color:var(--primary)}.step.active b{background:var(--primary);color:white;box-shadow:0 5px 12px #6657d955}.step.complete b{background:#e9f8f2;color:var(--green)}
.workspace{display:grid;grid-template-columns:260px 1fr;background:white;border:1px solid var(--line);border-radius:18px;min-height:650px;box-shadow:var(--shadow);overflow:hidden}.flow-aside{background:#fafbfe;border-right:1px solid var(--line);padding:26px 18px;display:flex;flex-direction:column}.aside-label{text-transform:uppercase;color:#a3aaba;font-size:10px;font-weight:800;letter-spacing:1.3px;margin:0 10px 12px}.aside-step{position:relative;display:grid;grid-template-columns:34px 1fr;border:0;background:transparent;border-radius:11px;padding:13px 10px;text-align:left;color:#8992a4}.aside-step span{grid-row:1/3;display:grid;place-items:center;align-self:center;width:26px;height:26px;background:#eef1f6;border-radius:8px;font-size:10px;font-weight:800}.aside-step b{font-size:12px;color:#667085}.aside-step small{font-size:9px;margin-top:4px}.aside-step.active{background:white;box-shadow:0 5px 20px rgba(56,63,99,.07)}.aside-step.active:before{content:"";position:absolute;left:0;top:13px;bottom:13px;width:3px;border-radius:4px;background:var(--primary)}.aside-step.active span{background:var(--primary-soft);color:var(--primary)}.aside-step.active b{color:var(--ink)}.tip-card{margin-top:auto;background:linear-gradient(145deg,#f1efff,#f8f6ff);border:1px solid #e5e0ff;border-radius:12px;padding:14px;display:flex;gap:10px}.tip-card>span{color:var(--primary)}.tip-card b{font-size:11px}.tip-card p{font-size:9px;line-height:1.6;color:#7c7699;margin:5px 0 0}.panels{padding:34px 42px}.panel{display:none;animation:fade .25s ease}.panel.active{display:block}@keyframes fade{from{opacity:.2;transform:translateY(5px)}}
.panel-head{display:flex;justify-content:space-between;align-items:flex-start;padding-bottom:22px;border-bottom:1px solid #eef0f4;margin-bottom:24px}.panel-head>div{display:flex;gap:12px}.panel-head h2{margin:0 0 5px;font-size:19px}.panel-head p{margin:0;color:var(--muted);font-size:11px}.panel-head em{font-style:normal;background:#f5f4ff;color:var(--primary);padding:6px 10px;border-radius:20px;font-size:10px}.section-icon{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--primary-soft);color:var(--primary);font-weight:800}.platforms{display:flex;gap:10px;margin-bottom:20px}.platform-chip{display:flex;align-items:center;gap:7px;border:1px solid var(--line);background:white;border-radius:8px;padding:7px 11px;color:#6f788a;font-size:11px}.platform-chip b{display:grid;place-items:center;width:20px;height:20px;border-radius:6px;color:white;font-size:9px}.field-label{display:block;font-size:11px;font-weight:700;margin-bottom:8px}.url-row{display:flex;gap:10px}.url-input{flex:1;display:flex;align-items:center;border:1px solid #dfe3eb;border-radius:10px;padding:0 14px;background:white;transition:.2s}.url-input:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px #6657d918}.url-input span{color:#a7afbd}.url-input input{width:100%;border:0;outline:0;padding:13px;background:transparent;color:var(--ink)}.primary,.secondary,.danger-button,.text-button{display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:10px 16px;font-size:11px;font-weight:750;text-decoration:none;border:0}.primary{background:var(--primary);color:white;box-shadow:0 6px 14px #6657d936}.primary:hover{background:var(--primary-dark)}.primary:disabled{background:#c5c7d3;box-shadow:none;cursor:not-allowed}.secondary{background:white;color:#4e586b;border:1px solid var(--line)}.disabled{opacity:.45;pointer-events:none}.danger-button{background:#fff1f2;color:#d94e62}.text-button{background:transparent;color:var(--primary)}.field-help{font-size:9px;color:#a0a7b5}.progress-box{margin:22px 0;padding:14px;background:#f7f7fe;border-radius:10px}.progress-box div{display:flex;justify-content:space-between;font-size:10px;margin-bottom:8px}.progress-box b{color:var(--primary)}progress{width:100%;height:6px;border:0;border-radius:10px;overflow:hidden}progress::-webkit-progress-bar{background:#e5e7ef}progress::-webkit-progress-value{background:linear-gradient(90deg,#7e70e9,#5f50ce);border-radius:10px}.empty-guide{text-align:center;padding:62px 20px;color:#9aa3b4}.empty-guide>span{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;background:#f2f4f8;margin:0 auto 14px;font-size:24px}.empty-guide b{display:block;color:#697386;font-size:13px}.empty-guide p{font-size:10px}.result-card{display:grid;grid-template-columns:minmax(200px,300px) 1fr;gap:22px;margin-top:24px;padding:15px;border:1px solid var(--line);border-radius:14px}.media-preview{aspect-ratio:9/16;max-height:420px;border-radius:10px;overflow:hidden;background:linear-gradient(145deg,#2d3140,#151721)}.media-preview img,.media-preview video{width:100%;height:100%;object-fit:contain}.final-video video{width:100%;height:100%;object-fit:cover}.media-fallback{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#dce0ed;gap:7px}.media-fallback span{font-size:23px}.media-fallback b{font-size:11px}.media-fallback small{font-size:9px;color:#858b9c}.video-info{padding:4px}.result-badge{display:inline-block;background:#eaf8f3;color:var(--green);font-size:9px;font-weight:700;border-radius:20px;padding:5px 8px}.video-info h3,.uploaded-video h3{font-size:15px;margin:10px 0 6px}.video-info p,.uploaded-video p{color:var(--muted);font-size:10px}.meta-row{display:flex;gap:20px;color:#858fa1;font-size:10px}.button-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:15px}
.copy-tabs{display:flex;border-bottom:1px solid var(--line);margin-top:-10px;margin-bottom:18px}.copy-tabs button{border:0;background:transparent;padding:11px 16px;font-size:11px;color:var(--muted);border-bottom:2px solid transparent}.copy-tabs button.active{color:var(--primary);font-weight:750;border-color:var(--primary)}.copy-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(220px,.7fr);gap:16px}.editor-card,.settings-card{border:1px solid var(--line);border-radius:12px;overflow:hidden}.editor-toolbar,.editor-foot{display:flex;justify-content:space-between;align-items:center;padding:11px 14px;background:#fafbfc;font-size:10px;color:#7c8596}.editor-toolbar span{font-weight:700;color:#4c5668}.editor-toolbar button{border:0;background:transparent;color:var(--primary);font-size:10px}.editor-card textarea{display:block;width:100%;height:240px;border:0;resize:none;outline:0;padding:18px;line-height:1.9;color:#394356;font-size:12px}.settings-card{padding:17px;background:#fbfbfe}.settings-card h3,.voice-head h3,.clone-card h3{font-size:12px;margin:0 0 13px}.settings-card label{display:block;font-size:9px;color:#7c8494;margin-bottom:11px}.settings-card select{display:block;width:100%;margin-top:5px;border:1px solid var(--line);background:white;border-radius:8px;padding:9px;color:#4e5869;font-size:10px}.deepseek-button{width:100%;border:0;background:linear-gradient(135deg,#7667e6,#5042be);color:white;padding:12px;border-radius:9px;font-size:11px;font-weight:700;margin-top:5px}.deepseek-button span{margin-right:5px}.mini-progress{font-size:9px;color:var(--muted);margin-top:10px}.mini-progress progress{margin-top:7px}.rewrite-result{display:flex;justify-content:space-between;align-items:center;border:1px solid #dbd5ff;background:#f7f5ff;border-radius:11px;padding:12px 14px;margin-top:14px}.rewrite-result span{display:block;color:var(--primary);font-size:11px;font-weight:750}.rewrite-result small{display:block;color:#8b85a6;margin-top:3px}
.rewrite-action{display:flex;flex-direction:column;justify-content:center;text-align:center;padding:24px}.rewrite-action .rewrite-spark{display:grid;place-items:center;width:42px;height:42px;margin:0 auto 12px;border-radius:12px;background:var(--primary-soft);color:var(--primary);font-size:18px}.rewrite-action h3{margin-bottom:7px}.rewrite-action p{margin:0 0 17px;color:var(--muted);font-size:9px;line-height:1.7}
.voice-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}.voice-head h3{margin:0}.voice-head span{font-size:9px;color:var(--muted)}.voice-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.voice-card{position:relative;border:1px solid var(--line);background:white;border-radius:12px;padding:14px;text-align:center;transition:.2s}.voice-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(51,59,91,.08)}.voice-card.selected{border-color:var(--primary);box-shadow:0 0 0 2px #6657d916}.voice-card.selected:after{content:"✓";position:absolute;top:8px;right:8px;width:17px;height:17px;display:grid;place-items:center;border-radius:50%;background:var(--primary);color:white;font-size:9px}.voice-avatar{display:grid;place-items:center;width:46px;height:46px;margin:auto;border-radius:50%;color:white;font-weight:800}.voice-card b{display:block;font-size:11px;margin:8px 0 4px}.voice-card small{display:block;color:var(--muted);font-size:9px}.voice-card .play{position:absolute;left:11px;top:11px;display:grid;place-items:center;width:23px;height:23px;border-radius:50%;background:#f3f2fd;color:var(--primary);font-size:9px}.divider{display:flex;align-items:center;gap:10px;color:#a9afbb;font-size:9px;margin:19px 0}.divider:before,.divider:after{content:"";height:1px;background:var(--line);flex:1}.clone-card{display:flex;justify-content:space-between;align-items:center;border:1px dashed #cfc9fb;background:#faf9ff;border-radius:12px;padding:14px 16px}.clone-card>div{display:flex;align-items:center;gap:11px}.clone-card h3{margin:0 0 4px}.clone-card h3 em{font-style:normal;font-size:8px;background:#ece8ff;color:var(--primary);padding:3px 5px;border-radius:4px}.clone-card p{font-size:9px;color:var(--muted);margin:0}.clone-icon{display:grid;place-items:center;width:35px;height:35px;background:var(--primary-soft);color:var(--primary);border-radius:9px}.upload-small{border:1px solid #d8d3fb;background:white;color:var(--primary);border-radius:8px;padding:8px 11px;font-size:9px;font-weight:700;cursor:pointer}.upload-small input{display:none}.upload-status{margin-top:10px;border:1px solid #d6f0e6;background:#f3fbf8;color:#437666;border-radius:9px;padding:10px;font-size:10px}.action-footer{display:flex;justify-content:flex-end;align-items:center;gap:14px;margin-top:18px}.action-footer span{font-size:9px;color:var(--muted)}.audio-result{display:flex;align-items:center;gap:14px;border:1px solid #d7eee6;background:#f6fbf9;border-radius:12px;padding:12px 15px;margin-top:14px}.audio-result>div{display:flex;align-items:center;gap:9px}.audio-result b,.audio-result small{display:block;font-size:10px}.audio-result small{color:var(--muted);margin-top:3px}.success-icon{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#dff5ec;color:var(--green)}.audio-result audio{height:32px;flex:1;min-width:180px}
.dropzone{display:flex;min-height:300px;border:1.5px dashed #cfd4df;border-radius:14px;background:#fbfcfe;align-items:center;justify-content:center;flex-direction:column;cursor:pointer;transition:.2s}.dropzone:hover,.dropzone.drag{border-color:var(--primary);background:#faf9ff}.dropzone input{display:none}.dropzone>span{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:var(--primary-soft);color:var(--primary);font-size:24px}.dropzone h3{font-size:13px;margin:14px 0 5px}.dropzone p{font-size:10px;color:var(--muted);margin:0}.dropzone small{font-size:9px;color:#abb1bd;margin-top:12px}.uploaded-video{display:grid;grid-template-columns:minmax(320px,1.4fr) 1fr;gap:22px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:15px}.uploaded-video video{width:100%;max-height:330px;background:#151821;border-radius:10px}.requirements{display:flex;gap:16px;margin-top:16px;padding:12px 14px;background:#f7f8fb;border-radius:9px;font-size:9px;color:#788294}.requirements b{color:#4f596c}.requirements span{color:#6a8f82}
.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.summary-grid>div{border:1px solid var(--line);border-radius:11px;padding:13px}.summary-grid span,.summary-grid small{display:block;font-size:9px;color:var(--muted)}.summary-grid b{display:block;font-size:11px;margin:6px 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.generate-final{width:100%;border:0;background:linear-gradient(120deg,#7667e5,#5041bd);color:white;border-radius:13px;padding:18px;display:grid;grid-template-columns:30px 1fr;grid-template-rows:1fr 1fr;text-align:left;margin-top:20px;box-shadow:0 10px 25px #6657d93d}.generate-final>span{grid-row:1/3;align-self:center;font-size:20px}.generate-final b{font-size:12px}.generate-final small{font-size:9px;color:#d9d5ff;margin-top:2px}.render-progress{text-align:center;padding:42px 10%;border:1px solid var(--line);border-radius:14px;margin-top:18px}.render-orbit{width:54px;height:54px;display:grid;place-items:center;margin:auto;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:20px;animation:pulse 1.2s infinite}@keyframes pulse{50%{box-shadow:0 0 0 12px #6657d90b;transform:scale(1.05)}}.render-progress h3{font-size:13px;margin:14px 0 5px}.render-progress p{font-size:9px;color:var(--muted)}#render-stages{display:flex;justify-content:space-between;margin-top:10px;color:#a2a9b6;font-size:8px}.final-result{display:grid;grid-template-columns:minmax(320px,1.2fr) 1fr;gap:22px;align-items:center;border:1px solid #d8eee7;background:#fbfefd;border-radius:14px;padding:16px;margin-top:18px}.final-video{height:280px;background:#171923;border-radius:11px;overflow:hidden}.final-info h3{font-size:17px;margin:12px 0 7px}.final-info p{font-size:10px;line-height:1.6;color:var(--muted)}
.modal-open{overflow:hidden}
.comparison-modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:24px}
.comparison-backdrop{position:absolute;inset:0;background:rgba(15,19,31,.72);backdrop-filter:blur(7px)}
.comparison-dialog{position:relative;width:min(1080px,100%);max-height:calc(100vh - 48px);overflow:auto;background:#fff;border-radius:18px;box-shadow:0 28px 80px rgba(8,12,25,.35);animation:modalIn .22s ease}
@keyframes modalIn{from{opacity:0;transform:translateY(10px) scale(.98)}}
.comparison-dialog header{display:flex;align-items:center;justify-content:space-between;padding:19px 22px;border-bottom:1px solid var(--line)}
.comparison-dialog header span{color:var(--primary);font-size:9px;font-weight:800;letter-spacing:1px}
.comparison-dialog header h2{font-size:17px;margin:4px 0 0}
.modal-close{width:34px;height:34px;border:0;border-radius:50%;background:#f2f4f7;color:#697386;font-size:22px;line-height:1}
.comparison-videos{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:16px 18px 12px;background:#f6f7fa}
.comparison-pane{position:relative;height:min(52vh,420px);overflow:hidden;border-radius:12px;background:#151821}
.comparison-pane video{width:100%;height:100%;object-fit:contain}
.comparison-label{position:absolute;left:12px;top:12px;z-index:2;background:rgba(15,19,29,.76);color:#fff;border-radius:8px;padding:7px 10px;backdrop-filter:blur(5px)}
.comparison-label span,.comparison-label small{display:block}
.comparison-label span{font-size:10px;font-weight:750}
.comparison-label small{font-size:8px;color:#bec4d1;margin-top:2px}
.comparison-pane.result{box-shadow:inset 0 0 0 2px var(--primary)}
.comparison-pane.result .comparison-label{background:rgba(91,76,202,.84)}
.comparison-controls{display:flex;align-items:center;gap:10px;padding:15px 20px}
.comparison-controls button{flex:0 0 32px;height:32px;border:0;border-radius:8px;background:#f0effc;color:var(--primary);font-size:13px}
.comparison-controls .comparison-play{background:var(--primary);color:#fff}
.comparison-controls button:disabled{opacity:.45;cursor:wait}
.comparison-controls span{font-variant-numeric:tabular-nums;color:#747e90;font-size:9px}
.comparison-controls input{flex:1;accent-color:var(--primary);cursor:pointer}
.toast{position:fixed;right:25px;bottom:25px;background:#242a38;color:white;border-radius:10px;padding:12px 16px;font-size:11px;box-shadow:0 12px 35px rgba(20,24,36,.28);opacity:0;transform:translateY(15px);pointer-events:none;transition:.25s;z-index:50}.toast.show{opacity:1;transform:none}.toast.error{background:#b64052}
@media(max-width:1000px){.workspace{grid-template-columns:1fr}.flow-aside{display:none}.panels{padding:30px}.step span{display:none}.stepper>i{margin:0 10px}.voice-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.topbar{padding:0 16px}.badge{display:none}.page-shell{padding:24px 14px 50px}.hero{align-items:flex-start}.hero h1{font-size:25px}.stepper{padding:14px 16px}.step b{width:28px;height:28px}.panels{padding:22px 17px}.panel-head em{display:none}.url-row,.clone-card,.audio-result{align-items:stretch;flex-direction:column}.copy-layout,.result-card,.uploaded-video,.final-result{grid-template-columns:1fr}.settings-card{order:initial}.summary-grid{grid-template-columns:1fr}.voice-grid{grid-template-columns:1fr 1fr}.requirements{flex-wrap:wrap}.platforms{overflow:auto}.audio-result audio{width:100%}.final-video{height:220px}.comparison-modal{padding:10px}.comparison-dialog{max-height:calc(100vh - 20px);border-radius:14px}.comparison-videos{grid-template-columns:1fr}.comparison-pane{height:30vh;min-height:180px}.comparison-dialog header{padding:14px 16px}.comparison-controls{padding:12px;gap:7px}.comparison-controls span{font-size:8px}}
@media(max-width:440px){.voice-grid{grid-template-columns:1fr}.hero p{line-height:1.6}.stepper>i{margin:0 5px}.panel-head h2{font-size:17px}.platform-chip{white-space:nowrap}}

/* Video result and comparison layout */
.final-result{grid-template-columns:minmax(280px,1fr) minmax(240px,.65fr)}
.final-video{display:flex;align-items:center;justify-content:center;aspect-ratio:3/4;min-height:280px;max-height:640px;overflow:hidden;background:#171923;border-radius:11px}
.final-video video{display:block;width:100%;height:auto;max-height:640px;object-fit:contain;margin:auto}
.comparison-videos{display:flex;justify-content:center;align-items:center;gap:4px;padding:8px;background:#111520}
.comparison-pane{flex:0 1 340px;width:min(34vw,340px);height:auto;aspect-ratio:9/16}
.comparison-controls{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:18px}
.comparison-actions{display:flex;gap:8px}
.comparison-progress-list{display:grid;gap:8px}
.comparison-progress{display:grid;grid-template-columns:58px 38px 1fr 38px;align-items:center;gap:8px}
.comparison-progress b{font-size:9px;color:#778195}
.comparison-progress.generated b{color:var(--primary)}
.comparison-controls input{width:100%}

@media(max-width:700px){
  .final-result{grid-template-columns:1fr}
  .final-video{min-height:220px;max-height:70vh}
  .final-video video{max-height:70vh}
  .comparison-videos{display:grid;grid-template-columns:1fr;gap:4px;padding:6px}
  .comparison-pane{width:100%;height:38vh;min-height:220px;aspect-ratio:auto}
  .comparison-pane.result{order:-1;height:38vh}
  .comparison-controls{grid-template-columns:1fr;padding:12px;gap:10px}
  .comparison-actions{justify-content:center}
  .comparison-progress{grid-template-columns:52px 34px 1fr 34px;gap:5px}
}
/* ── 用户区域 ── */
.user-area{margin-left:auto;position:relative;z-index:30}
.user-trigger{display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:10px;cursor:pointer;transition:background .15s;user-select:none}
.user-trigger:hover{background:#f5f6f9}
.user-avatar{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;font-size:14px;font-weight:700;flex-shrink:0}
.user-avatar.large{width:40px;height:40px;font-size:18px}
.user-name{font-size:13px;font-weight:600;color:var(--ink)}
.user-arrow{font-size:9px;color:var(--muted);transition:transform .2s}
.user-area.open .user-arrow{transform:rotate(180deg)}
.user-dropdown{display:none;position:absolute;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 16px 48px rgba(15,19,31,.14);min-width:220px;flex-direction:column;padding:6px;z-index:35}
.user-area.open .user-dropdown{display:flex}
.user-dropdown-header{display:flex;align-items:center;gap:12px;padding:10px 12px 12px}
.user-dropdown-header strong{display:block;font-size:14px;color:var(--ink)}
.user-dropdown-header small{display:block;font-size:11px;color:var(--muted);margin-top:2px}
.user-dropdown-divider{height:1px;background:var(--line);margin:4px 8px}
.user-dropdown a{display:block;padding:10px 14px;border-radius:8px;font-size:13px;color:var(--ink);text-decoration:none;cursor:pointer;transition:background .12s}
.user-dropdown a:hover{background:var(--soft)}
#btn-logout{color:#d94e62}
#btn-logout:hover{background:#fff1f2}
/* ── 历史作品弹窗 ── */
.history-modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:24px}
.history-backdrop{position:absolute;inset:0;background:rgba(15,19,31,.72);backdrop-filter:blur(7px)}
.history-dialog{position:relative;width:min(700px,100%);max-height:calc(100vh - 48px);overflow:auto;background:#fff;border-radius:18px;box-shadow:0 28px 80px rgba(8,12,25,.35);padding:24px 28px;animation:modalIn .22s ease}
.history-dialog header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.history-dialog header h2{margin:0;font-size:18px}
.history-dialog header button{border:0;background:transparent;font-size:24px;color:var(--muted);cursor:pointer}
.history-list{display:flex;flex-direction:column;gap:10px}
.history-item{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border:1px solid var(--line);border-radius:10px}
.history-item h3{margin:0 0 4px;font-size:13px}
.history-item p{margin:0;font-size:10px;color:var(--muted)}
.history-item time{font-size:10px;color:var(--muted)}
.history-empty{text-align:center;padding:40px;color:var(--muted);font-size:13px}