#content {
    font-family: Arial, Helvetica, sans-serif;
}

.detail {
    background: transparent;
}

.about_banner {
    width: 100%;
    max-width: 100%;
}

/*
h1 {
font-size: 17px;
color: #fff;
background: url(../pictures/title_bg.jpg) no-repeat;
height: 31px;
line-height: 31px;
text-indent: 15px;
}
*/

h3 {
    font-size: 22px;
    color: #133D82;
    /*background: 0 1px url(../pictures/blue.jpg) no-repeat;*/
    text-indent: 10px;
}

.detail {
    color: #595757;
    font-size: 16px;
}

.detail::after {}

.aboutus_down {
    width: 100%;
}

.arch div#wrapper {
    float: none !important;
    width: 100% !important;
}

.arch div#content {
    padding-top: 0 !important;
    padding-left: 0 !important;
}

.pic_about_ben {
    display: block;
    width: 100%;
    /* height: 0; */
    /* padding-bottom: 30%; */
    overflow: hidden;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
}

.about_con{
    display: flex;
    align-items: center;
}

.link_font{
    background-color: #133D82;
    margin: 3px;
    padding-top: 10px;
    padding-left: 10px;
}

.shadow_div{
    box-shadow: 0 0 0px 0px rgba(51, 51, 51, 0.5);
    transition: 0.3s;
}

.shadow_div:hover{
    box-shadow: 0 3px 15px 3px rgba(51, 51, 51, 0.5);
}

.btn_solution{
    background: url(../pictures/form/button_bg.jpg);
    text-align: center;
    color: #ffffff;
    border: none;
    padding: 5px;
    /*margin: 5px;*/
    /*max-width: 150px;*/
    /*width: 100%;*/
}

@media only screen and (max-width:768px) {
    .content {
        padding-top: 10px !important;
    }

    .pic_about_ben {
        /* padding-bottom: 40%; */
    }

    h3 {
        font-size: 16px;
    }
    
    .detail {
        font-size: 15px;
    }
}

@media only screen and (max-width:500px){
    .pic_about_ben {
        /* padding-bottom: 50%; */
    }
}