.about {}

.about_banner {
    width: 100%;
    height: 2.092rem;
}

.about_banner img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

/* about_nav 面包屑 */
.about_nav {
    width: 100%;
    height: 60px;
    background-color: #ffffff;
}
.dis {
    display: none;
}
.about_nav .about_nav_inner {
    max-width: 1640px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

.about_nav .breadcrumb {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 16px;
    font-size: 14px;
    color: #666;
}

.about_nav .breadcrumb_home {
    display: inline-flex;
    align-items: center;
    color: #333;
    text-decoration: none;
}

.about_nav .breadcrumb_home img {
    width: 18px;
    height: 18px;
    display: inline-block;
    margin-right: 8px;
}

.about_nav .breadcrumb_link {
    color: #59200a;
    text-decoration: none;
}

.about_nav .breadcrumb_sep {
    color: #59200a;
}

.about_nav .breadcrumb_current {
    color: #59200a;
}

/* 选项卡 */
.about_tabs {
    list-style: none;
    height: 60px;
    display: flex;
    align-items: center;
}

.about_tabs .tab_item a {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
    width: 124px;
    color: #333;
    font-size: 14px;
    padding: 0 8px;
    text-align: center;
}

.about_tabs .tab_item.active a,
.about_tabs .tab_item:hover a {
    background: #59200a;
    color: #fff;
}

/* 内容 */
.about_main {
    width: 8.542rem;
    margin: 0 auto;
    padding-top: .26rem;
    min-height: 4.482rem;
    padding-bottom: 30px;
}
.float-image {
    float: left; 
    margin-right: .24rem;
    width: 5.208rem; 
}
.float-image2 {
    float: right; 
    margin-left: .24rem; 
    width: 3.646rem; 
}

.flex_sw {
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin-top: .313rem;
}
.float-image3 {
    /* float: left;  */
    /* margin-right: .208rem;  */
    /*width: 2.865rem; */
    width: 38%;
}
.float-image4 {
    /* float: right;  */
    /*width: 5.052rem; */
    width: 58%;
}
.about_title {
    font-size: 24px;
    font-weight: 700;
    color: #666;
    margin-bottom: 16px;
    text-align: center;
}

.about_line {
    width: 40px;
    height: 3px;
    background: #59200a;
    margin: 0 auto .251rem;
}
.about_content {
    color: #666;
    font-size: 14px;
    line-height: 24px;
}
.about_main_content {
    padding: .469rem .208rem;
    font-size: 18px;
    line-height: 33px;
    color: #59200a;
    background-color: #fff;
    min-height: 500px;
}
.about_main_content img {
    max-width: 100%;
    height: auto;
}
.about_main_content video {
    max-width: 100%;
    height: auto;
}
@media (max-width: 1440px) { 
    .flex_sw {
        margin-top: 0;
    }
}
@media (max-width: 800px) { 
    .dis {
        display: block;
        padding: 0 16px;
        font-size: 14px;
    }
    .about_tabs {
        display: none;
    }
    .about_nav_inner {
        display: none;
    }
    .about_nav {
        height: 100px;
    }
    .dis .layui-form-select dl dd.layui-this {
        color: #D80C24;
    }
    .about_main {
        width: 95%;
    }
    .float-image {
        margin-right: 0;
        width: 100%; 
    }
    .float-image2 {
        width: 100%; 
    }
    
    .flex_sw {
        width: 100%;
        display: block;
    }
    .float-image3 {
        width: 100%; 
        margin-bottom: 16px;
    }
    .float-image4 {
        width: 100%; 
    }
}