.join_us{
    width: 100%;
    background-color: rgba(250, 250, 250, 1);
    overflow: hidden;
}
.join_us_title{
    color: rgba(41, 41, 41, 1);
    font-size: 20px;
    text-align: center;
    margin-top: 50px;
    margin-bottom: 5px;
}
.join_us_abst{
    color: rgba(77, 77, 77, 1);
    font-size: 14px;
    line-height: 20px;
    text-align: center;
}
.join_us_abst span{
    color: rgba(232, 32, 32, 1);
    font-size: 14px;
    padding-right: 10px;
}
.join_form_block{
    width: 1050px;
    height: 620px;
    background-color: #ffffff;
    margin:30px auto 60px auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-top: 20px;
}

.join_form_item{
    width: 515px;
    line-height: 40px;
    margin-bottom: 0;
    text-align: left;
    display: flex;
    position: relative;
    justify-content: space-between;

    padding-bottom: 30px;
}
.join_form_item_title{
    color: rgba(153, 153, 153, 1);
    font-size: 16px;
    width: 105px;
    text-align: right;
    display: inline-block;
}
.join_form_item input{
    width: 400px;
    height: 40px;
    border:1px solid rgba(233, 237, 240, 1);
    text-indent: 10px;
    font-size: 12px;
    color: rgba(153, 153, 153, 1);
}
.join_form_item input:-ms-input-placeholder{
    color: rgba(209, 209, 209, 1);
}
.join_form_item input::-webkit-input-placeholder {
    color: rgba(209, 209, 209, 1);
}
.join_form_item .form_tips{
    position: absolute;
    width: 400px;
    height: 30px;
    right: 0;
    bottom: 5px;
    color:  rgba(232, 32, 32, 1);
    display: none;
}
.join_form_item_title span{
    color: rgba(232, 32, 32, 1);
}

.join_button_submit {
    cursor: pointer;
}

.join_button_submit button{
    background-color: rgba(13, 98, 225, 1);
    width: 240px;
    height: 40px;
    line-height: 40px;
    color: #fff;
    border-radius: 2px;
    margin-bottom: 20px;
    cursor: pointer;
}

@media screen and  (max-width: 1200px) {

    .join_us_title{
        width: 90%;
        color: rgba(41, 41, 41, 1);
        font-size: 20px;
        text-align: center;
        margin: 50px auto 15px auto;
    }
    .join_us_abst{
        width: 90%;
        margin: auto;
        color: rgba(77, 77, 77, 1);
        font-size: 14px;
        text-align: center;
        line-height: 20px;
    }
    .join_us_abst span{
        color: rgba(232, 32, 32, 1);
        font-size: 14px;
        padding-right: 10px;
    }
    .join_form_block{
        width: 90%;
        height: auto;
        background-color: #ffffff;
        margin:30px auto 60px auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    .join_form_item{
        width: 100%;
        height: auto;
        line-height: 40px;
        margin-bottom: 0px;
        text-align: left;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;

        padding-bottom: 30px;
    }
    .join_form_item_title{
        color: rgba(153, 153, 153, 1);
        font-size: 16px;
        width: auto;
        text-align: right;
        display: inline-block;
        padding-left: 5%;
    }
    .join_form_item input{
        width: 90%;
        display: block;
        height: 40px;
        border:1px solid rgba(233, 237, 240, 1);
        text-indent: 10px;
        color: rgba(209, 209, 209, 1);
        font-size: 12px;
        margin-left: 5%;
    }
    .join_form_item .form_tips{
        position: absolute;
        width: 90%;
        height: 30px;
        right: 5%;
        bottom: 5px;
        color:  rgba(232, 32, 32, 1);
        display: none;
    }
    .join_form_item_title span{
        color: rgba(232, 32, 32, 1);
    }

    .join_button_submit button{
        background-color: rgba(13, 98, 225, 1);
        width: 240px;
        height: 40px;
        line-height: 40px;
        color: #fff;
        border-radius: 2px;
        margin-bottom: 20px;
    }
}