.bk-mask-upload-panel{margin-bottom:12px}
.bk-mask-upload-inner{justify-content:flex-start;gap:10px}
.bk-mask-upload-button{margin:0;white-space:nowrap}
.bk-mask-upload-button[aria-disabled=true]{opacity:.55;cursor:not-allowed;pointer-events:none}
.bk-mask-upload-input{display:none!important}
.bk-mask-upload-help{margin:-3px 15px 10px;color:#667;font-size:12px;line-height:1.5}
.bk-mask-operation-guide{display:flex;align-items:center;gap:8px}
.bk-mask-operation-guide strong{flex:1;min-width:0}
.bk-mask-settings{display:flex;gap:12px;margin-top:12px}
.bk-mask-setting-card,.bk-mask-summary{flex:1;min-width:0;padding:12px;border:1px solid #d8e3ea;border-radius:4px;background:#fff}
.bk-mask-setting-card legend{width:auto;margin:0 0 8px;border:0;font-size:16px}
.bk-mask-setting-card label{margin-right:18px}
.bk-mask-setting-card p{margin:8px 0 0;color:#667;font-size:12px}
.bk-mask-summary h2{margin:0 0 8px;font-size:16px}
.bk-mask-summary dl{margin:0}
.bk-mask-summary dl>div{display:flex;padding:4px 0;border-top:1px solid #eee}
.bk-mask-summary dt{flex:1}
.bk-mask-summary dd{margin:0;font-weight:bold}
.bk-mask-editor .image-wrapper{display:flex!important;height:auto!important;min-height:0!important;max-height:none!important;align-items:flex-start;justify-content:center;overflow:hidden}
.bk-canvas-layer-wrap{position:relative;display:inline-block;flex:0 1 auto;max-width:100%;height:auto!important;min-height:0!important;vertical-align:top}
.bk-canvas-layer-wrap canvas{display:block;max-width:100%;height:auto}
.bk-canvas-drawing-layer{position:absolute;inset:0;pointer-events:none}
.bk-mask-preview{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.bk-mask-layer{position:absolute;inset:0;z-index:3;touch-action:pan-y}
.bk-mask-layer[hidden]{display:none}
.bk-mask-box{position:absolute;box-sizing:border-box;border:2px solid #20a9e0;box-shadow:0 0 0 9999px rgba(0,0,0,.48);cursor:move;touch-action:none}
.bk-mask-handle{position:absolute;width:26px;height:26px;margin:-13px;border:3px solid #fff;border-radius:50%;background:#20a9e0;box-shadow:0 1px 4px rgba(0,0,0,.45)}
.bk-mask-handle[data-handle=nw]{left:0;top:0;cursor:nwse-resize}
.bk-mask-handle[data-handle=ne]{left:100%;top:0;cursor:nesw-resize}
.bk-mask-handle[data-handle=se]{left:100%;top:100%;cursor:nwse-resize}
.bk-mask-handle[data-handle=sw]{left:0;top:100%;cursor:nesw-resize}
@media(max-width:767px){
  .bk-mask-settings{display:block}
  .bk-mask-summary{margin-top:10px}
  .bk-mask-handle{width:34px;height:34px;margin:-17px}
}
@media(max-width:360px){
  .bk-mask-upload-button{padding-left:10px;padding-right:10px}
  .bk-mask-operation-guide{flex-wrap:wrap}
}