.subnav a {
    margin-right: 30px;
}
.product-list ul {
    align-items: stretch;
}
.product-list li a .txt span{
    display: block;
}
.about4 .w2 .left,
.about4 .bg .left {
    width: 30%;
}
.about4 .bg .right {
    flex: 1;
    width: 0;
}

footer .fot-link {
    width: 18%;
}
.about2 .ti p {
    width: 40%;
}

.tab-change>div p {
  width: 50%;
}

.con3 li>h2 {
  height:72px;
}

.con3 li>p {
  height:42px;
}


.con2 li h2 {
  font-weight:500;
}

.case1 .right img {
 object-fit: contain;
}

@media (max-width: 990px) {
.con3 li>p,
.con3 li>h2  {
   height:auto;
}
}