.container{
    width: 100%;
    background: #F3F3F3;
    overflow: hidden;
}
.banner{
    width: 100%;
    height: 25.875rem;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

.banner .banner-item{
    width: 100%;
    height: 100%;
    background-image: url(../images/aboutUs/banner.png);
    background-position: top center;
    background-size: cover;
    background-repeat: no-repeat;
}

.banner img{
    display: block;
    width: 100%;
    height: 100%;
}

.nav-section{
    width: 100%;
    height: 4rem;
    background: rgba(5, 109, 220, 1);
    position: relative;
}

.background-mask{
    width: 50%;
    height: 4rem;
    position: absolute;
    top: 0;
    right: 0;
    background: #121A2D;
    z-index: 2;
}

.nav-section .crumb{
    width: 100%;
    height: 100%;
    padding: 0 1.75rem;
    background: #121A2D;
    position: relative;
    z-index: 3;
}

.nav-section .crumb h2{
    font-size: 1rem;
    line-height: 4rem;
    color: #F3F3F3;
    font-weight: 400;
}

.crumb h2 span, .crumb h2 a{
    color: rgba(255, 255, 255, .6);
}

.section-title{
    font-size: 1.5rem;
    line-height: 2rem;
    margin-bottom: 2.375rem;
    color: rgba(13, 19, 38, 1);
    padding-left: 1.25rem;
    position: relative;
}

.section-title::before{
    content: '';
    width: .25rem;
    height: 2rem;
    top: 0;
    left: 0; 
    border-radius: 0px 4px 4px 0px;
    background-color: rgba(230, 33, 41, 1);
    position: absolute;
}

.about-us-container{
    padding: 2.875rem 0;
}

.section-content p, .section-content span{
    font-size: 1rem;
    line-height: 2.0rem;
    color: rgba(13, 19, 38, .7);
}


.section-content img{
    display: block;
    line-height: 0;
}

.section-content .edit-box{
    display: flex;
}

.section-content .edit-box:nth-child(1){
    margin-bottom: 2.625rem;
}

.section-content .edit-box:nth-child(1) img{
    margin-left: 2.25rem;
}

.section-content .edit-box:nth-child(2) img{
    margin-right: 2.25rem;
}

.text-box{
    flex-direction: column;
    justify-content: space-between;
}

@media screen and (max-width: 1200px) {
    .nav-section{
        height: 5rem;
    }
    .nav-section .crumb{
        padding: 0 1rem;
    }
    .nav-section .crumb h2{
        font-size: 1.33rem;
        line-height: 5rem;
    }
    .banner{
        height: 17.25rem;
    }
    .banner .banner-item {
        background-size: auto 100%;
        background-image: url('../images/aboutUs/banner_about.png');
    }
    .section-content img{
        display: block;
        width: 100%;
        margin: .25rem 0;
    }
    .background-mask{
        height: 5rem;
    }

    .section-content .edit-box{
        display: block;
    }
    .edit-box img{
        margin: 1rem 0;
    }
    .section-content p, .section-content span{
        font-size: 1.1667rem;
    }
    .section-content .edit-box:nth-child(1) img{
        margin: 1rem 0;
    }
    .section-content .edit-box:nth-child(2) img{
        margin: 1rem 0;
    }
}