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/* tab panel 不显示Echarts  图表问题   */
/* bootstrap hack: fix content width inside hidden tabs */
.tab-content > .tab-pane,
.pill-content > .pill-pane {
    display: block;     /* undo display:none          */
    height: 0;          /* height:0 is also invisible */ 
    overflow-y: hidden; /* no-overflow                */
}
.tab-content > .active,
.pill-content > .active {
    height: auto;       /* let the content decide it  */
} /* bootstrap hack end */