body {
  margin: 0;
}

img {
  width: 100%;
}

a {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.product-web {
  max-width: 1920px;
}

.main-product {
  width: 100%;
}

.product-nav {
  width: 100%;
  background: #ffffff;
  text-align: center;
}

.product-nav .nav-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 127px;
}

.product-nav .nav-list li {
  margin: 0;
  padding: 0;
  font-size: 22px;
  font-family: Source Han Sans CN, Source Han Sans CN-Bold;
  font-weight: 700;
  text-align: left;
  color: #333333;
  margin-top: 28px;

}

.product-nav .nav-sec {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.product-nav .nav-line {
  width: 95px;
  height: 0px;
  margin-top: 28px;
}

.nav-line-sec {
    border: 1px solid #f10d0c;
}

.nav-text-sec {
  color: #f10d0c;
}

.nav-sec:hover .nav-text {
  color: #f10d0c;
}

.nav-sec:hover .nav-line {
   border: 1px solid #f10d0c;
}

.product-details {
  background: #f6f6f6;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 2.125rem;
  flex-wrap: wrap;
  padding-top: 102px;
  padding-bottom: 134px;
}

.product-box {
  width: 517px;
  height: 404px;
  background: #ffffff;
  padding-top: 36px;
  padding-left: 33px;
  padding-right: 33px;
  display: flex;
  flex-direction: column;
  align-items: start;
}

.product-box .product-title {
  height: 24px;
  font-size: 18px;
  font-family: Microsoft YaHei, Microsoft YaHei-Bold;
  font-weight: 700;
  text-align: center;
  color: #000000;
  line-height: 21px;
}

.product-box .product-intro {
  height: 22px;
  font-size: 16px;
  font-family: PingFang SC, PingFang SC-Medium;
  font-weight: 500;
  text-align: left;
  color: #979797;
  margin-top: 24px;
  animation: fadeInOut 3s infinite;
}
.product-box .product-intro a:hover{
  color: #f10d0c;
}
.product-box .product-pic {
  width: 360px;
  height: 230px;
  margin-top: 38px;
  margin-left: 10px;
  display: flex;
  justify-content: center;
}
.product-box .product-pic img{
  width: auto;
  height: 230px;
}
/* 响应式媒体查询 */
@media (max-width: 1200px) {}

@media (max-width: 992px) {
  .product-nav .nav-list {
    flex-direction: column;
    gap: 0;
  }
}

@media (max-width: 768px) {
  .product-details{
    padding-top: 3.125rem;
    padding-bottom: 3.125rem;
  }
}

@media (max-width: 480px) {
  .product-box {
    width: 100%;
  }

  .product-box .product-pic {
    width: 100%;
    margin-left: 0;
  }
}
.product-nav .nav-list li {
  transition: color 0.3s;
}

.product-nav .nav-line {
  transition: border-color 0.3s;
}
.product-box {
  transition: transform 0.3s;
}

.product-box:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}
@keyframes fadeInOut {
  0%, 100% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
}