.ev-body {
    width:65% !important;
}


.paper-container {
    user-select: none !important;
}

    .paper-container .ev-header {
        background: #fff;
        padding: 10px;
    }

    .paper-container .ev-title {
        font-size: 20px;
        font-weight: bold;
        margin-left: 5px;
        vertical-align: middle;
    }

    .paper-container .ev-length {
        font-size: 12px;
        font-weight: bold;
        margin-left: 30px;
        display: inline-block;
        margin-top: 5px;
        vertical-align: text-top;
    }
    .paper-container .paper-header {
        background: #fff;
    }
    .paper-container .paper-title {
        font-size: 20px;
        font-weight: bold;
        vertical-align: middle;
        text-align:center
    }
    .paper-container .paper-subTitle {
        font-size: 16px;
        font-weight: bold;
        margin: 15px;
        text-align:center;
        vertical-align: middle;
    }
    .paper-container .paper-info {
        font-size: 14px;
        vertical-align: middle;
    }

    .paper-container .paper-toolbar {
        background: #fff;
        padding:20px;
    }

    .paper-container .paper-toolbar .filter-title {
        font-size:14px;
    }

.paper-content {
    background: #fff;
    padding:20px;
    margin-top:10px;
    display:flex;
    flex-direction:row;
}

    .paper-content .paper-body {
       width:90%;
       padding-left:50px;
    }

    .paper-content .paper-part {
        padding: 15px;
    }

        /*.paper-content .paper-part:hover {
            background: #bfcdad45;
        }*/

    .paper-content .exercise-item {
        position: relative;
        font-size: 14px !important;
        margin-top: 0 !important;
        padding: 5px 10px !important;
        box-sizing: border-box;
        background: transparent;
        border: 1px solid rgba(1,1,1,0);
    }

        .paper-content .exercise-item .item-concept {
            margin-top:10px;
        }

        .paper-content .exercise-item .item-tools {
            position: absolute;
            right: -2px;
            top: -30px;
            width:auto;
            height: 30px;
            margin:0;
            padding:0;
            background: #01b4ef;
            display:none;
        }

            .paper-content .exercise-item .item-tools-t {
                height: 100%;
                padding: 0 15px;
                float: left;
                color: white;
                cursor: pointer;
            }

                .paper-content .exercise-item .item-tools-t:hover {
                    background: #4a5ae6;
                }

        .paper-content .exercise-item .item-tools-t .ivu-icon{
            color:white;
            font-size:14px;
            margin:0 3px;
        }

        .paper-content .paper-content-section {
             font-size: 18px;
            font-weight: bold;
            margin-top: 20px;
        }

    .paper-content .paper-content-section span {
        font-size:14px;
        font-weight:500;
        margin-left:10px;
    }

    .paper-content  .exercise-item:hover {
        box-shadow: none !important;
        border-color:#cfcfcf;
    }

    .paper-content .item-answer, .paper-content .item-explain {
        /*text-indent:-8px;*/
        line-height:26px;
    }


.paper-footer {
    width:100%;
    height:120px;
    background:#fff;
    margin-top:10px;
    padding:20px 130px;
}


.paper-tools {
    width: 100%;
    height: 60px;
    margin-top: 10px;
    border-top: 1px dashed #cfcfcf;
    padding:10px 0;
}
    
    .paper-tools .paper-tools-title {
        font-size: 14px;
        font-weight:bold;
        margin-right:10px;
    }    
    .paper-tools .ivu-checkbox-wrapper {
        font-size: 14px;
        margin-left:10px;
    }

    .paper-tools .ivu-checkbox {
        margin: 0 4px;
        vertical-align:text-bottom;
    }
    .paper-tools .ivu-checkbox-checked .ivu-checkbox-inner {
        background: #01b4ef;
        border-color: #01b4ef;
    }


.paperTransferModal {
    overflow: hidden;
}

    .paperTransferModal .point-list {
        max-height: 400px;
        overflow: auto;
    }

        .paperTransferModal .point-list .ivu-input-wrapper {
            width: 90%;
            margin-bottom: 10px;
        }

    .paperTransferModal .selected-point-list {
        padding: 10px;
        width: 100%;
        border-top: 1px solid rgba(128, 128, 128,.3);
        margin-top: 15px;
    }

    .paperTransferModal .bind-title {
        margin: 10px 0;
        font-weight: bold;
        font-size: 14px;
    }

    .paperTransferModal .checked-point {
        margin: 5px 10px;
        background: rgb(16, 171, 231);
        padding: 5px 10px;
        color: #fff;
        border-radius: 5px;
        display: inline-block;
    }

    .paperTransferModal .ivu-checkbox-checked .ivu-checkbox-inner {
        background: rgb(16, 171, 231);
        border-color: rgb(16, 171, 231);
    }

    .paperTransferModal .ivu-icon {
        color: rgb(16, 171, 231);
    }

    .paperTransferModal .btn-clear {
        float: right;
        font-weight: 500;
        font-size: 12px;
        color: rgb(16, 171, 231);
        cursor: pointer;
        letter-spacing: 1px;
    }

    .paperTransferModal .point-checkbox {
        margin-left: 10px;
        border-radius: 2px;
        width: 15px;
        height: 15px;
        padding: 2px;
        vertical-align: middle;
        box-sizing: border-box;
        border: 1px solid #dcdee2;
    }

    .paperTransferModal .point-checked {
        background: rgb(16, 171, 231);
        background-clip: content-box;
    }

    .paperTransferModal .ivu-tabs-nav-scroll {
        display: flex;
        flex-direction: row;
        justify-content: center;
    }

    .paperTransferModal .ivu-tree-empty {
        text-align: center;
        margin: 15px;
        color: rgb(128, 128, 128);
    }

.point-list::-webkit-scrollbar { /*滚动条整体样式*/
    width: 5px; /*高宽分别对应横竖滚动条的尺寸*/
    height: 1px;
}

.point-list:hover .ztree_box::-webkit-scrollbar {
    width: 5px;
}

.point-list::-webkit-scrollbar-thumb { /*滚动条里面小方块*/
    border-radius: 10px;
    -webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
    background: #70707026;
}

.point-list::-webkit-scrollbar-track { /*滚动条里面轨道*/
    background: #f4f4f400;
}




/*横向垂直水平居中*/
.flex-row-center {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

/*向垂直水平居中*/
.flex-col-center {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

