:root{--bg:#0f0f14;--bg-soft:#181822;--card:#20202c;--card-hover:#262635;--border:#2e2e3e;--text:#f4f4f8;--text-dim:#9a9ab0;--accent:#fe2c55;--accent-2:#25f4ee;--accent-grad:linear-gradient(135deg, #fe2c55 0%, #ff6a88 100%);--success:#2ecc71;--radius:16px;--tap:44px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{height:100%}body{background:var(--bg);color:var(--text);overscroll-behavior-y:none;-webkit-text-size-adjust:100%;background-image:radial-gradient(circle at 12% 18%,#fe2c5521,#0000 38%),radial-gradient(circle at 88% 12%,#25f4ee1a,#0000 40%);background-attachment:fixed;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:16px}header{padding:calc(env(safe-area-inset-top) + 18px) 0 6px;text-align:center}.logo{letter-spacing:.5px;align-items:center;gap:10px;font-size:20px;font-weight:800;display:inline-flex}.logo .dot{background:var(--accent-grad);border-radius:10px;place-items:center;width:32px;height:32px;font-size:17px;display:grid;box-shadow:0 6px 20px #fe2c5573}.logo .accent{color:var(--accent)}.subtitle{color:var(--text-dim);margin-top:8px;padding:0 16px;font-size:13px}.wrap{max-width:760px;padding:0 max(env(safe-area-inset-left), 16px) 60px max(env(safe-area-inset-right), 16px);margin:0 auto}.input-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);margin-top:20px;padding:16px;box-shadow:0 10px 40px #0000004d}.input-row{flex-direction:column;gap:12px;display:flex}textarea{resize:vertical;background:var(--bg-soft);border:1px solid var(--border);width:100%;min-height:120px;color:var(--text);border-radius:12px;padding:14px 16px;font-family:inherit;font-size:16px;line-height:1.6;transition:border-color .15s,box-shadow .15s}textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px #fe2c552e}textarea::placeholder{color:#6a6a82}.btn-group{flex-direction:column;gap:10px;display:flex}.btn-group .btn-primary{width:100%}.btn-group .row-secondary{gap:10px;display:flex}.btn-group .row-secondary .btn{flex:1}.btn{cursor:pointer;min-height:var(--tap);white-space:nowrap;border:none;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:12px 22px;font-family:inherit;font-size:15px;font-weight:600;transition:transform 80ms,opacity .15s,background .15s;display:inline-flex}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent-grad);color:#fff}.btn-primary:hover:not(:disabled){opacity:.92}.btn-ghost{background:var(--bg-soft);color:var(--text);border:1px solid var(--border)}.btn-ghost:hover:not(:disabled){background:var(--card-hover)}.hint{color:var(--text-dim);margin-top:12px;font-size:12px;line-height:1.6}.hint .tag{background:var(--bg-soft);border:1px solid var(--border);color:var(--accent-2);border-radius:6px;margin-right:6px;padding:2px 8px;display:inline-block}.result{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);margin-top:18px;animation:.25s pop;overflow:hidden}@keyframes pop{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.result.hidden{display:none}.result-head{border-bottom:1px solid var(--border);gap:12px;padding:14px;display:flex}.cover{object-fit:cover;background:var(--bg-soft);border-radius:10px;flex-shrink:0;width:84px;height:112px}.cover.placeholder{color:#555;place-items:center;font-size:12px;display:grid}.meta{flex:1;min-width:0}.meta .title{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:15px;font-weight:600;line-height:1.5;display:-webkit-box;overflow:hidden}.meta .author{color:var(--text-dim);margin-top:8px;font-size:13px}.meta .id-line{color:#6a6a82;word-break:break-all;margin-top:6px;font-size:12px}.result-actions{flex-direction:column;align-items:stretch;gap:10px;padding:14px;display:flex}.result-actions .btn{width:100%}.badge{color:var(--success);background:#2ecc711f;border-radius:20px;align-self:flex-start;align-items:center;gap:5px;padding:4px 10px;font-size:12px;display:inline-flex}.quality-row{border-top:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:10px;padding:12px 14px;display:flex}.quality-row .label{color:var(--text-dim);font-size:13px}.quality-options{flex-wrap:wrap;gap:8px;display:flex}.quality-opt{cursor:pointer;background:var(--bg-soft);border:1px solid var(--border);min-height:36px;color:var(--text);border-radius:8px;padding:8px 16px;font-family:inherit;font-size:14px;transition:all .15s}.quality-opt:hover{border-color:var(--accent);color:var(--accent)}.quality-opt.active{background:var(--accent-grad);color:#fff;border-color:#0000;box-shadow:0 3px 12px 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60px}.input-card{margin-top:24px;padding:20px}.input-row{flex-flow:wrap}textarea{flex:320px}.btn-group{flex-direction:column;gap:10px}.btn-group .btn-primary,.btn-group .row-secondary .btn{width:auto}.btn-group .row-secondary{flex-direction:column;gap:10px}.result-head{gap:14px;padding:18px}.cover{width:96px;height:128px}.result-actions{flex-flow:wrap;align-items:center;padding:14px 18px}.result-actions .btn{width:auto}.quality-row{padding:12px 18px}.history-item .h-title{-webkit-line-clamp:1}}@media (max-width:360px){.input-card{padding:12px}.cover{width:72px;height:96px}.icon-btn{width:40px;height:40px;font-size:15px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}.mode-tabs{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);gap:8px;margin-bottom:14px;padding:6px;display:flex}.mode-tab{min-height:var(--tap);color:var(--text-dim);cursor:pointer;background:0 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