/* 产品中心 */
.c1 {
    /* padding: 5.3vw 0 5.3vw; */
}

.c1 .list2 {

    margin-top: 38px;

    display: grid;

    grid-template-columns: 35.8rem 1fr 1fr; /* 关键！ */

    gap: 20px;

}

.c1 .list2 li a.img {

    display: block;

    position: relative;

    overflow: hidden;

}

.c1 .list3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.c1 .list2 li {
    position: relative;
}
.c1 .list2 li .wz {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    padding: 1.5rem;
}

.c1 .list2 li h3 {

    text-align: center;

    text-transform: uppercase;

    position: relative;

    transition: all .5s ease;

    z-index: 1;
}

@media (max-width: 990px) {
    .c1 .list2, .c1 .list3 {
        grid-template-columns: repeat(1, 1fr);
    }
}



.c2 {
    padding-top: 4.8rem;

    padding-bottom: 5rem;

    overflow: hidden;

}




/*video click*/
.video_click {
  position: relative;
  display: block;
  line-height: 0;
  overflow: hidden;
  height: 100%;
  z-index: 1;
}

.video_click:after {
  content: " ";
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  background: url("../images/videoclick.png") no-repeat center;
}

.cboxOverlay {
  position: fixed;
  z-index: 100001;
  width: 100%;
  height: 100%;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: none;
}

.colorbox {
  position: fixed;
  width: 90%;
  height: 80%;
  top: 10%;
  left: 5%;
  background: #ffffff;
  z-index: 100002;
  display: none;
}

.colse_click {
  position: absolute;
  top: -30px;
  right: 0;
  width: 25px;
  height: 25px;
  background: url("../images/closeVideo.png") no-repeat center;
  cursor: pointer;
}

.colorbox .video,
.colorbox .video video {
  width: 100%;
  height: 100%;
}