.row-c-c {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
            justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
            align-items: center;
}
.c-white {
    color: #FFFFFF;
}
.c-black {
    color: #666666;
}
.switch_box {
    position: relative;
    border: 1rpx solid #EEEEEE;
    background-color: #F5F5F5;
    -webkit-transition: all 0.4s;
    transition: all 0.4s;
}
.round {
    position: absolute;
    background-color: #FFFFFF;
    -webkit-transition: all 0.4s;
    transition: all 0.4s;
}
.to_left {
    left: 0;
    margin-left: 0;
}
.to_right {
    left: 100%;
    margin-left: -50rpx;
}
.switch_text {
    position: absolute;
    padding: 0 20rpx;
}
._right {
    right: 0;
}