.ip_container{
    width: 790px;
    margin: 0 auto;
    height: 70px;
    z-index: 1;
    /* padding-top: 20px;
    position: relative; */
    display: flex;
    align-items: center;
    flex-direction: row;
    justify-content: space-between;
    position: relative;
}
.black_background{
    /* height: 70px; */
    background-color: #000;
    color: #ffffff;
    position: fixed;
    z-index: 100;
    top: 0;
    width: 100%;
}
.black_background .title{
    font-size: 14px;
}
.choice{
    width: 385px;
    height: 37px;
    /*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; */
}
/*.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{
    width: 71px;
    height: 35px;
    background: #2682B6;
    border-radius: 4px;
    display: inline-block;
    /*margin-left: 450px;*/
    /*margin-top: 2px;*/
    cursor: pointer;
    line-height: 35px;
    text-align: center;
}
.langbtntext{
    line-height: 35px;
}

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

.ip_container .right{
    /* position: absolute;
    right: 20px;
    top: 18px; */
    display: flex;
    align-items: center;
    flex-direction: row;
}
#nation li:hover{
    background-color: #2A2929;
    cursor: pointer;
}
.choice .li_input{
    border-radius: 4px;
    height: 35px;
    background: #2A2929;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.choice .li_input_click{
    border-bottom-right-radius: 0px;
    border-bottom-left-radius: 0px;
}
@media (max-width: 800px){

    .ip_container{
        width: calc(100% - 34px);
    height: 120px;
    min-width: 320px;
    padding: 17px 17px 0 17px;
    display: flex;
    flex-direction: row;
    position: relative;
    flex-wrap: wrap;
    align-items: flex-start;
    }
    .black_background{
        height: auto;
    }
    .choice{
        top: 100px; /*用bottom会导致li出现在上方*/
        left: 17px;
        width: 214px;
    }
    .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;
    }
}