.ban_img,.title,.section2{
    display: none;
}

.section1 {
    display: flex;
    overflow: hidden;
    border-radius: 8px; 
}

.item{
    flex: 1;
    cursor: pointer;
    overflow: hidden;
    transition: flex 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    position: relative;
    height: 40vw;
    max-height: 760px;
    min-height: 450px;
}

.item.active {
  flex: 0 0 47.5%;
}

.item >img {
width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    object-fit: cover;
    transition: 0.5s;
}

.item_text {
    width: 80%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    top: 33%;
}

.item_img {
    text-align: center;
    width: auto;
    transition: 0.6s;
}


.item_img img{
    width: auto;
    max-width: 100%;
}

.f1 {
    font-size: calc(10px + 0.72vw);
    text-align: center;
    color: #fff;
    width: 100%;
    display: block;
    line-height: 1.5;
    margin-top: 1.5vw;
        font-family: 'Montserrat-SemiBold';
    transition: 0.6s;
}

.f2 {
    color: #fff;
    transition-delay: 0.4s;
    font-size: 18px;
    line-height: 1.6;
    position: relative;
    margin-top: 20px;
        -webkit-line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

a.btn {
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #fff;
    width: 220px;
    height: 60px;
    transition: 0.7s;
    font-size: 18px;
    
    position: relative;
    margin-top: 30px;
}

a.btn svg{
    fill: currentColor;
    width: 22px;
    height: auto;
    margin-left: 13px;
}

a.btn:hover{
    background: #00429a;
    color: #fff;
    border-color: #00429a;
}



@media screen and (max-width:1300px) {
    .item_text{
        top: 20%;
    }
    
    a.btn{
        width: 150px;
        height: 40px;
        font-size: 14px;
    }
}

@media screen and (min-width:769px) {
    .item_pitle{
            opacity: 0;
    visibility: hidden;
    transform: translateY(30px);
    }
    .item.active .item_img{
    text-align: left;
}

.item.active .f1{
    text-align: left;
    font-size: calc(10px + 1.9vw);
}

.item.active .f2{
    opacity:1;
    visibility: visible;
    transform: translateY(0px);
}

.item.active .btn{
    opacity:1;
    visibility: visible;
    transform: translateY(0px);
}
}

@media screen and (max-width:768px) {
    .section1{
        flex-wrap: wrap;
    }
    
    .item{
        flex: 0 0 100%!important;
        margin-bottom: 20px;
    }
    
    .item_img{
        text-align: center!important;
    }
    
    .f1{
        font-size: 20px!important;
        margin-top: 20px;
        text-align: center!important;
    }
    
    .f2{
        text-align: center;
        font-size: 16px!important;
    }
    
    a.btn{
        margin: 30px auto 0!important;
    }
}