html,body{height:100%}body{margin:0;background-color:rgba(0,0,0,0);font-size:1.2rem;font-family:'Microsoft Yahei',Helvetica,Tahoma,Arial,sans-serif,'微软雅黑'}div,ul,li{border:0 solid #000}div,textarea,input,span{-moz-box-sizing:border-box;-webkit-box-sizing:border-box;-o-box-sizing:border-box;-ms-box-sizing:border-box;box-sizing:border-box}input,select,option,textarea,div{outline:0}iframe{background-color:rgba(0,0,0,0)}.shadow{box-shadow:2px 2px 5px #000;transition:all 400ms ease}.shadow:hover{box-shadow:5px 5px 5px #000;transition:all 600ms ease}.not_selectable{user-select:none}.effect_button_close{position:relative;width:16px;height:16px;padding:2px;cursor:pointer;box-sizing:border-box}.effect_button_close:before{position:absolute;content:"";width:1px;height:12px;background:#999;transform:rotate(45deg)}.effect_button_close:after{content:"";position:absolute;width:1px;height:12px;background:#999;transform:rotate(-45deg)}.effect_button_close:hover:before{background:#1981ea;background:rgb(var(--sub_r),var(--sub_g),var(--sub_b))}.effect_button_close:hover:after{background:#1981ea;background:rgb(var(--sub_r),var(--sub_g),var(--sub_b))}.effect_arrow_left{display:flex;cursor:pointer}.effect_arrow_left:before{content:"";width:0;height:0;border-top:8px solid transparent;border-bottom:8px solid transparent;border-right:8px solid #999;margin:auto}.effect_arrow_left:hover:before{border-right:8px solid rgb(var(--sub_r),var(--sub_g),var(--sub_b))}.effect_arrow_right{display:flex;cursor:pointer}.effect_arrow_right:before{content:"";width:0;height:0;border-top:8px solid transparent;border-bottom:8px solid transparent;border-left:8px solid #999;margin:auto}.effect_arrow_right:hover:before{border-left:8px solid rgb(var(--sub_r),var(--sub_g),var(--sub_b))}.flex_row_parent{display:flex;flex-direction:column}.flex_col_parent{display:flex}.align_center_parent{display:flex;justify-content:center;align-items:center}.flex_rows{display:flex;flex-direction:column;width:100%;height:100%}.flex_cols{display:flex;width:100%;height:100%}.flex_auto{flex:1}