.menu_pro{
    margin-top: 5px;
    width: 100%;
    overflow: hidden;
}
.menu_pro p{
    line-height: 30px;
    font-size: 16px;
    margin: 0;
    /* border-top: 1px solid #ccc;
    border-bottom: 1px solid #ccc; */
    background-color: #ddd;
    padding-left: 10px;
    cursor: pointer;
}
.menu_pro ul{
    float: left;
    width: 100%;
    padding: 0px 20px ;
    box-sizing: border-box;
}
.menu_pro li{
    float: left;
    line-height: 25px;
    font-size: 14px;
    text-align: center;
    width: 100%;
    border-bottom: 1px solid #DDD;
}
.menu_pro li:last-child{
    border: none;
}
.menu_pro li a{
    background: url(//static.ccmn.cn/icon/disc_black2.gif) left center no-repeat;
    padding-left: 15px;
}
.arrow{
    background: url(//static.ccmn.cn/icon/menu-arrow.svg)   no-repeat   center center;
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-top: 5px;
    background-size: contain;
    transition: all .3s;
}
.trans{
    transform:rotate(90deg);
}
.cur{
    background-color: orange!important;
    color: #fff!important;
}