.ty_comm{background-color: #f6f6f6;}

.tc_banner>img{width: 100%;}

.tc_list{padding: 100px 0;}
.tc_item{padding: 50px 0 0;}
.tc_item>img{margin: 0 auto 100px;display: block;width: var(--md);}

@media screen and (max-width: 766px) {
    .tc_banner>img{height: 30vh;object-fit: cover;}
    
    .tc_list{padding: 6rem 0;}
    .tc_item{padding: 3rem 0;}
    .tc_item>img{margin: 0 auto 3rem;width: 100%;padding: 0 1.5rem;}

}