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0.2s;background:#faf9f7}.bright-upload-area:hover{border-color:#d4af37;background:rgba(212,175,55,.05)}.bright-upload-area.dragover{border-color:#d4af37;background:rgba(212,175,55,.1)}.bright-upload-icon{font-size:32px;color:#d4af37;margin-bottom:8px}.bright-upload-text{font-size:13px;color:#5f5a56;margin-bottom:4px}.bright-upload-hint{font-size:11px;color:#a09a94}.bright-upload-input{display:none}.bright-slider-group{display:flex;flex-direction:column;gap:4px}.bright-slider-header{display:flex;justify-content:space-between;align-items:center}.bright-slider-label{font-size:12px;font-weight:600;color:#5f5a56}.bright-slider-value{font-size:12px;font-weight:600;color:#d4af37;min-width:40px;text-align:right}.bright-slider{-webkit-appearance:none;appearance:none;width:100%;height:6px;background:#e8e4dc;border-radius:3px;outline:none;cursor:pointer}.bright-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:16px;height:16px;background:linear-gradient(135deg,#d4af37 0%,#b8860b 100%);border-radius:50%;cursor:pointer;box-shadow:0 2px 4px rgba(0,0,0,.15);transition:transform 0.2s}.bright-slider::-webkit-slider-thumb:hover{transform:scale(1.1)}.bright-slider::-moz-range-thumb{width:16px;height:16px;background:linear-gradient(135deg,#d4af37 0%,#b8860b 100%);border-radius:50%;border:none;cursor:pointer;box-shadow:0 2px 4px rgba(0,0,0,.15)}.bright-presets{display:flex;flex-wrap:wrap;gap:6px}.bright-preset-btn{flex:1;min-width:70px;padding:8px 10px;font-size:11px;font-weight:500;border:1px solid #e8e4dc;border-radius:6px;background:#faf9f7;color:#5f5a56;cursor:pointer;transition:all 0.2s;text-align:center}.bright-preset-btn:hover{border-color:#d4af37;color:#d4af37}.bright-preset-btn.active{background:linear-gradient(135deg,#d4af37 0%,#b8860b 100%);border-color:#d4af37;color:#fff}.bright-actions{display:flex;gap:8px}.bright-btn{flex:1;padding:10px 14px;font-size:13px;font-weight:600;border:none;border-radius:6px;cursor:pointer;transition:all 0.2s;display:flex;align-items:center;justify-content:center;gap:6px}.bright-btn-primary{background:linear-gradient(135deg,#d4af37 0%,#b8860b 100%);color:#fff}.bright-btn-primary:hover{box-shadow:0 4px 12px rgba(212,175,55,.3);transform:translateY(-1px)}.bright-btn-primary:disabled{background:#e8e4dc;color:#a09a94;cursor:not-allowed;transform:none;box-shadow:none}.bright-btn-secondary{background:#faf9f7;border:1px solid #e8e4dc;color:#5f5a56}.bright-btn-secondary:hover{border-color:#d4af37;color:#d4af37}.bright-download-wrapper{position:relative;flex:1}.bright-download-menu{position:absolute;bottom:100%;left:0;right:0;background:#fff;border:1px solid #e8e4dc;border-radius:6px;box-shadow:0 4px 12px rgba(0,0,0,.1);margin-bottom:4px;display:none;z-index:10}.bright-download-menu.show{display:block}.bright-download-item{padding:10px 14px;font-size:12px;color:#2d2a26;cursor:pointer;transition:background 0.2s;display:flex;align-items:center;gap:8px}.bright-download-item:first-child{border-radius:6px 6px 0 0}.bright-download-item:last-child{border-radius:0 0 6px 6px}.bright-download-item:hover{background:rgba(212,175,55,.1);color:#d4af37}.bright-download-item i{width:16px}.bright-waiting{text-align:center;padding:60px 20px;color:#a09a94;background:#faf9f7;border:1px dashed #e8e4dc;border-radius:10px}.bright-waiting i{font-size:48px;margin-bottom:12px;display:block}.bright-waiting p{font-size:14px}.bright-preview-section{background:#fff;border:1px solid #e8e4dc;border-radius:10px;overflow:hidden}.bright-image-container{position:relative;min-height:300px;max-height:500px;display:flex;align-items:center;justify-content:center;background:repeating-conic-gradient(#f0f0f0 0% 25%,#fff 0% 50%) 50% / 16px 16px;overflow:hidden}.bright-canvas{max-width:100%;max-height:500px;display:block}.bright-image-info{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:#faf9f7;border-top:1px solid #e8e4dc;font-size:12px;color:#5f5a56}.bright-info-item{display:flex;align-items:center;gap:4px}.bright-info-item i{color:#d4af37}.bright-disclaimer{display:flex;align-items:flex-start;gap:10px;padding:12px;background:rgba(108,117,125,.08);border-radius:8px;margin-top:12px}.bright-disclaimer i{color:#6c757d;font-size:16px;flex-shrink:0;margin-top:1px}.bright-disclaimer-text{font-size:12px;color:#5f5a56;line-height:1.5}.bright-disclaimer-text strong{color:#2d2a26}.bright-hidden{display:none!important}@media (max-width:900px){.bright-main-layout{grid-template-columns:280px 1fr;gap:16px}.bright-presets{flex-wrap:wrap}.bright-preset-btn{min-width:60px}}@media (max-width:768px){.bright-main-layout{grid-template-columns:1fr;gap:12px}.bright-input-col{position:static}.bright-input-section{padding:14px}.bright-presets{display:grid;grid-template-columns:repeat(3,1fr)}.bright-actions{flex-direction:column}.bright-download-wrapper{width:100%}.bright-image-container{min-height:250px;max-height:400px}.bright-canvas{max-height:400px}}@media (max-width:480px){.bright-upload-area{padding:16px}.bright-upload-icon{font-size:28px}.bright-presets{grid-template-columns:repeat(2,1fr)}.bright-preset-btn{padding:6px 8px;font-size:10px}.bright-image-container{min-height:200px;max-height:350px}.bright-canvas{max-height:350px}.bright-image-info{flex-wrap:wrap;gap:8px}}