.ip_container{
    width: 790px;
    margin: 0 auto;
    padding-top: 20px;
    position: relative;
}
.black_background{
    height: 70px;
    background-color: #1C1C1C;
    color: #ffffff;
    display:none;

}
.black_background .title{
    max-width:360px; 
    font-size: 14px;
}
.langtiptext{color:#fff; line-height:24px;}
.choice{
    /*width: 385px;*/
    /*height: 35px;*/
    /*background: #2A2929;*/
    border: 1px solid #707070;
    border-radius: 4px;
    /*outline-width: 0px;*/
    /*color: #ffffff;*/
    /*padding: 5px 10px 5px 24px;*/
    /*box-sizing: border-box;*/
    display: inline-block;
    position: absolute;
    left: 370px;
    top: 20px;
    z-index:5000;
}
/*.choice div{*/
/*    border-top-color: rgb(112, 112, 112);*/
/*    border-top-style: solid;*/
/*    border-top-width: 1px;*/
/*    border-bottom-right-radius: 4px;*/
/*    border-bottom-left-radius: 4px;*/
/*}*/
.choice .selected{
    border-top-color: rgb(112, 112, 112);
    border-top-style: solid;
    border-top-width: 1px;
    border-bottom-right-radius: 4px;
    border-bottom-left-radius: 4px;
}

.choice li{
    background-color: #333232;
    width: 260px;
    height: 28px;
    /*border: 1px solid #707070;*/
    /*border-radius: 4px;*/
    outline-width: 0px;
    color: #ffffff;
    padding: 5px 10px 5px 24px;
    box-sizing: border-box;
    font-size: 14px;
}
.ip_container div li{
    display: none;
}
.jump{
    min-width: 71px;
    height: 35px;
    background: #2682B6;
    border-radius: 4px;
    display: inline-block;
    /*margin-left: 450px;*/
    /*margin-top: 2px;*/
    cursor: pointer;
}

.ip_container .close_button{
    display: inline-block;
    cursor: pointer;
    margin-left: 18px;
}

.right{
    position: absolute;
    right: 0px;
    top: 18px;
}
#nation li:hover{
    background-color: #2A2929;
    cursor: pointer;
}
.choice .li_input{
    border-radius: 4px;
    height: 30px;
    background: #2A2929;
}
.choice .li_input i{margin-top:8px;}
.choice .li_input span{color:#fff; line-height:20px;}
.choice .li_input_click{
    border-bottom-right-radius: 0px;
    border-bottom-left-radius: 0px;
}
#button_text,#button_text2{margin: 7px 10px;display:block;font-size: 15px; line-height:20px; color:#fff; text-align:center;}
@media(max-width: 1024px){
    .black_background{
        height: 71px;
        margin:0 -5%;
    }
    .m_head{display: block;height: auto;overflow: visible;}
}
@media (max-width: 800px){

    .ip_container{
        width: calc(100% - 34px);
        height: 135px;
        min-width: 320px;
        padding: 17px 17px 0 17px;
    }
    .black_background{
        height: auto;
    }
    .choice{
        top: 100px; /*用bottom会导致li出现在上方*/
        left: 17px;
    }
    .title{
        display: block;
    }
    .jump{
        position: absolute;
        right: 17px;
        bottom: 20px;
    }
    .close_button{
        position: absolute;
        right: 17px;
        top: 17px;
    }
    .right{
        position: static;
    }
}
@media (max-width: 400px) {
    .choice li{
        width: 210px;
    }
}