.kv-section{
    width: 100%;
    height:500px;
    background: linear-gradient(to bottom, #cfe9ff, #ecfbff, #ecfbff);
    margin-top: 56px;
    padding-top: 47px;
    padding-bottom:50px;
    margin:0 auto;
    margin-top: 50px;
    margin-bottom:50px; 
}
.kv-section-box{
    width: 1200px;
    height:500px;
    border-radius: 16px;
    overflow: hidden;
    margin:0 auto;
    box-shadow: 0 0 20px #00000033;
}