.classiys {
  background: #f5f5f5;
  padding: 1%;
}
.classiys .lclass {
  margin-bottom: 1%;
}
.classiys .lclass:last-child {
  margin-bottom: 0;
}
.classiys span {
  display: inline-block;
  vertical-align: middle;
}
.classiys .stitle {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0px;
  line-height: 24px;
  color: rgb(34, 34, 34);
}
.classiys .sclass {
  font-size: 16px;
  font-weight: 500;
  padding: 0 10px;
  line-height: 32px;
}
.classiys .active {
  color: #ffffff;
  background: #d30000;
}
.classiys .sgap {
  color: #222222;
  padding: 0 10px;
}

.product_box {
  width: 100%;
  margin: 5% 0;
}

.lproduct {
  float: left;
  min-height: 100px;
  width: 32.33%;
  margin-right: 1.5%;
  margin-bottom: 1%;
  box-sizing: border-box;
}
.lproduct:nth-child(3n+3) {
  margin-right: 0;
}

.product_item {
  background: #f5f5f5;
}

.product_item .thumb {
  position: relative;
  max-height: 363px;
  overflow: hidden;
}

.product_item .thumb .pic {
  display: block;
  width: 100%;
}

.product_item .thumb .bg {
  background: #000;
  opacity: 0.2;
  -webkit-opacity: 0.2;
  -moz-opacity: 0.2;
  -ms-opacity: 0.2;
  -o-opacity: 0.2;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
}

.product_item .thumb i {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 0;
  right: 0;
  margin: -30px auto;
  text-align: center;
}

.product_item .item {
  padding: 5%;
}

.product_item .item span {
  display: block;
  font-size: 20px;
  color: #55504f;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

.product_item .item p {
  display: block;
  font-size: 15px;
  color: #797979;
  height: 42px;
  overflow: hidden;
  margin-top: 10px;
}

.product_item:hover .item {
  background: #d30000;
}
.product_item:hover .item span {
  color: #ffffff;
}

@media (max-width: 1024px) {
  .classiys {
    padding: 2%;
  }
  .product_item .item p {
    font-size: 12px;
    height: 53px;
  }
}
@media (max-width: 768px) {
  .product_item .item span {
    font-size: 16px;
  }
  .video li {
    float: inherit;
    width: 100%;
    margin-right: 0 !important;
    margin-bottom: 2%;
    margin-left: 0 !important;
  }
}
@media (max-width: 640px) {
  .product_item .item p {
    height: auto;
  }
}
@media (max-width: 480px) {
  .product_item .thumb i {
    margin-top: -20px;
  }
  .product_item .thumb i img {
    width: 40px;
  }
  .product_item .item span {
    font-size: 15px;
  }
  .video {
    margin: 10% 0;
  }
}