.ctn2 {
  position: relative;
  overflow: hidden;
}
.ctn2 .ctn-list ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.ctn2 .ctn-list ul li {
  width: 48.6%;
  margin-top: 40px;
  background: url(/static/cn/img/product/bg1.jpg) no-repeat;
  background-size: cover;
  position: relative;
  border: 2px solid transparent;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn2 .ctn-list ul li .tu {
  position: relative;
  overflow: hidden;
    padding: 20px 40px;
}
.ctn2 .ctn-list ul li .tu:before {
  content: '';
  display: block;
  padding-top: calc(394 / 700 * 100%);
}
.ctn2 .ctn-list ul li .tu:after{
content:'';
width: 100%;
height: 100%;
position: absolute;
left:0;
top:0;
background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.05) 50%,
    rgba(0, 0, 0, 0.15) 70%,
    rgba(0, 0, 0, 0.35) 90%,
    rgba(0, 0, 0, 0.6) 100%
    );
}
.ctn2 .ctn-list ul li .tu img {
  position: absolute;
  width: 80%;
  height: 80%;
  object-fit: cover;
    left:50%;
    top:50%;
    transform: translate(-50%,-50%);
	-webkit-transform: translate(-50%,-50%);
	-moz-transform: translate(-50%,-50%);
	-ms-transform: translate(-50%,-50%);
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn2.accessories .ctn-list ul li .tu img{
    width: auto;
    max-width: 60%;
    height: auto;
    object-fit: contain;
}
.ctn2 .ctn-list ul li h2 {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  padding: 30px 40px;
  color: #fff;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn2 .ctn-list ul li:hover {
  border: 2px solid var(--color);
  transform: translateY(-3px);
}
.ctn2 .ctn-list ul li:hover .tu img {
 transform: translate(-50%, -50%) scale(1.05); /* 保持居中 + 放大 */
}
.ctn2 .ctn-list .p-mores {
  display: flex;
  justify-content: center;
}
.ctn2 .ctn-list .p-mores a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 150px;
  height: 48px;
  border: 2px solid #fff;
  color: #fff;
}
.ctn2 .ctn-list .p-mores a h3 {
  line-height: 10px;
}
.ctn2 .ctn-list .p-mores a:hover {
  border: 2px solid var(--color);
}
.ctn2 .ctn-list .p-mores a:hover h3 {
  color: var(--color);
}
@media screen and (max-width: 1440px) {
  .ctn2 .ctn-list ul li {
    margin-top: 30px;
  }
    .ctn2 .ctn-list ul li .tu {
    padding: 20px 30px;
  }
  .ctn2 .ctn-list ul li h2 {
    padding: 20px 30px;
  }
  .ctn2 .ctn-list .p-mores a {
    width: 140px;
    height: 44px;
  }
}
@media screen and (max-width: 768px) {
  .ctn2 .ctn-list ul {
    display: block;
  }
  .ctn2 .ctn-list ul li {
    width: 100%;
    margin-top: 14px;
  }
    .ctn2 .ctn-list ul li .tu {
    padding: 20px;
  }
  .ctn2 .ctn-list ul li h2 {
    padding: 14px 20px;
    font-size: 18px;
  }
}