.product {
  background-color: #f5f5f5;
}
.index-banner img {
  max-height: 500px;
}
.sec-content .sec-nav .nav-left {
  width: 740px;
}
.sec-content .info-content .product-list .content {
  width: calc(25% - 40px);
  margin: 20px;
  padding: 40px;
  float: left;
  background-color: #fff;
  transition: all 0.3s;
}
.sec-content .info-content .product-list .content .img-box {
  width: 290px;
  line-height: 290px;
  height: 290px;
  margin: 0 auto;
  text-align: center;
  box-sizing: content-box;
  position: relative;
}
.sec-content .info-content .product-list .content .img-box img {
  max-width: 100%;
  max-height: 100%;
}
.sec-content .info-content .product-list .content .img-box .img-mask {
  width: 200px;
  height: 200px;
  background-color: rgba(12, 55, 115, 0.5);
  border-radius: 50%;
  line-height: 200px;
  text-align: center;
  color: #fff;
  font-size: 24px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  opacity: 0;
  transition: all 0.3s;
}
.sec-content .info-content .product-list .content .info-box {
  padding: 20px 0;
  transition: all 0.3s;
}
.sec-content .info-content .product-list .content .info-box .title {
  font-size: 24px;
  font-weight: bold;
  line-height: 40px;
  max-height: 40px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
.sec-content .info-content .product-list .content .info-box p {
  margin: 0;
  font-size: 16px;
  line-height: 30px;
  height: 60px;
  max-height: 60px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.sec-content .info-content .product-list .content:hover .info-box {
  color: #0c3773;
}
.sec-content .info-content .product-list .content:hover {
  background-color: #fff;
  box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.3);
}
.sec-content .info-content .product-list .content:hover .img-mask {
  opacity: 1;
}
@media (max-width: 1600px) {
  .sec-content .info-content .product-list .content .img-box {
    width: 220px;
    height: 220px;
    line-height: 220px;
    padding: 40px 0;
  }
  .sec-content .sec-nav .nav-left {
    width: 650px;
  }
}
@media (max-width: 1440px) {
  .sec-content .info-content .product-list .content {
    width: calc(33.33% - 40px);
    padding: 0 2.5%;
  }
}
@media (max-width: 1200px) {
  .sec-content .info-content .product-list .content .img-box {
    width: 180px;
    height: 180px;
    line-height: 180px;
    padding: 15px 0;
  }
}
@media (max-width: 1080px) {
  .sec-content .info-content .product-list .content .img-box {
    padding: 30px 0;
  }
  .sec-content .info-content .product-list .content .info-box .title {
    font-size: 18px;
  }
  .sec-content .info-content .product-list .content .info-box p {
    font-size: 14px;
    line-height: 28px;
    height: 56px;
    max-height: 56px;
  }
}
@media (max-width: 991px) {
  .sec-content .info-content .product-list .content {
    width: calc(33.33% - 20px);
    margin: 10px;
  }
  .sec-content .info-content .product-list .content .magnify {
    bottom: 10px;
  }
  .sec-content .info-content .product-list .content .info-box {
    padding: 15px 0;
  }
  .sec-content .info-content .product-list .content .img-box .img-mask {
    display: none;
  }
}
@media (max-width: 768px) {
  .sec-content .sec-nav .nav-left {
    width: 100%;
    padding: 0 2.5%;
  }
  .sec-content .info-content .product-list .content {
    width: calc(50% - 20px);
    margin: 10px;
  }
  .sec-content .info-content .product-list .content .img-box {
    width: 150px;
    height: 150px;
    line-height: 150px;
  }
}
@media (max-width: 500px) {
  .sec-content .info-content .product-list .content {
    width: 100%;
    margin: 10px 0;
  }
}
@media (max-width: 375px) {
  .sec-content .info-content .product-list .content .img-box {
    width: 120px;
    height: 120px;
    line-height: 120px;
  }
}