.header-box {
  padding-top: 60px;
}
.product-main {
  width: 1000px;
  margin: 0 auto;
  min-height: calc(100vh - 60px);
  display: flex;
  flex-wrap: wrap;
  background: url(../images/dottedLint.png) no-repeat center center;
  background-size: 30%;
}
.product-main > li {
  width: 500px;
  min-height: calc(50vh - 30px);
  overflow: hidden;
}
.product-main > li > div {
  position: relative;
  width: 100%;
  height: 100%;
  transition: 1s;
}
.product-main > li > div > img {
  position: absolute;
  width: 200px;
  height: 200px;
}
.product-main > li > div > p {
  position: absolute;
  font-size: 12px;
  width: 200px;
  line-height: 20px;
  letter-spacing: 2px;
}
.product-main > li > div > p .os-title {
  padding-bottom: 12px;
  font-weight: 900;
}
.product-main > li > div:hover {
  transform: scale(1.2);
  transition: 1s;
}
.product-main > li > div:hover .hide {
  top: 0;
  transition: 1s;
}
.product-main .list-left-top img {
  bottom: 18px;
  right: 38px;
}
.product-main .list-left-top p {
  top: 38px;
  left: 68px;
}
.product-main .list-right-top img {
  bottom: 18px;
  left: 38px;
}
.product-main .list-right-top p {
  top: 38px;
  right: 68px;
  text-align: right;
}
.product-main .list-left-bottom img {
  top: 18px;
  right: 38px;
}
.product-main .list-left-bottom p {
  top: 38px;
  left: 68px;
}
.product-main .list-right-bottom img {
  top: 18px;
  left: 38px;
}
.product-main .list-right-bottom p {
  top: 38px;
  right: 68px;
  text-align: right;
}
.product-main .hide {
  position: absolute;
  z-index: 9;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  transition: 0.5s;
}
.product-main .hide a {
  font-size: 12px;
  padding: 12px 24px;
  background: #4e6ef2;
  color: #ffffff;
  letter-spacing: 4px;
  border: 1px solid #c0c0c0;
}
.product-main .hide p {
  font-size: 12px;
  padding: 12px 24px;
  background: #666666;
  color: #ffffff;
  letter-spacing: 4px;
  border: 1px solid #c0c0c0;
}
.product-main .list-left-top .hide,
.product-main .list-right-top .hide {
  top: 100%;
}
.product-main .list-left-bottom .hide,
.product-main .list-right-bottom .hide {
  top: -100%;
}