.banner {
  position: relative;
}

.banner .banner_bg {
  display: block;
  width: 100%;
}

.banner .banner_title {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  padding: 40PX 98PX 40PX 141PX;
  background-color: rgba(0, 0, 0, 0.4);
}

.banner .banner_title h2 {
  position: relative;
  font-size: 81PX;
  color: #fff;
  font-weight: 400;
}

.banner .banner_title h2::after {
  content: "";
  position: absolute;
  top: 1PX;
  right: -30PX;
  display: block;
  width: 6PX;
  height: 100%;
  background-color: #fff;
}

.banner .banner_crumb {
  position: absolute;
  left: 0;
  bottom: 6%;
  background-color: #000;
}

.banner .banner_crumb span {
  display: block;
  margin: 0 6PX;
  font-size: 20PX;
  color: #fff;
  line-height: 1.5;
}

.banner .banner_crumb a {
  display: block;
  font-size: 20PX;
  line-height: 1.5;
  color: #fff;
}

.banner .banner_crumb .crumb_nav {
  position: relative;
  display: flex;
  align-items: center;
  height: 44PX;
  padding: 0 81PX 0 56PX;
}

.banner .banner_crumb .crumb_nav .nav_left {
  display: flex;
  align-items: center;
}

.banner .banner_crumb .crumb_nav .nav_left img {
  display: block;
  width: 16PX;
}

.banner .banner_crumb .crumb_nav .nav_right {
  display: flex;
  align-items: center;
  margin-left: 12PX;
}

.banner .banner_crumb .crumb_bg {
  display: block;
  height: 100%;
  position: absolute;
  top: 0;
  right: -52PX;
}

.banner .phone_number {
  position: absolute;
  right: 81PX;
  bottom: 6%;
  font-size: 20PX;
  line-height: 1.5;
  color: #FFF;
}

@media screen and (min-width: 769px) and (max-width: 1201PX) {
  .banner .banner_title {
    padding: 30PX 88PX 30PX 130PX;
  }

  .banner .banner_title h2 {
    font-size: 50PX;
  }

  .banner .banner_crumb {
    bottom: 40PX;
  }

  .banner .banner_crumb span {
    font-size: 14PX;
  }

  .banner .banner_crumb a {
    font-size: 14PX;
  }

  .banner .phone_number {
    font-size: 16PX;
  }
}

@media screen and (max-width: 768px) {
  .banner {
    margin-top: 100PX;
  }

  .banner .banner_title {
    padding: 1rem 2.45rem 1rem 3.525rem;
  }

  .banner .banner_title h2 {
    font-size: 1rem;
  }

  .banner .banner_title h2::after {
    right: -0.75rem;
    width: 4PX;
  }

  .banner .banner_crumb {
    bottom: 5%;
  }

  .banner .banner_crumb span {
    margin: 0 6PX;
    font-size: 0.7rem;
  }

  .banner .banner_crumb a {
    font-size: 0.7rem;
  }

  .banner .banner_crumb .crumb_nav {
    height: 1.25rem;
    padding: 0 1.4rem 0 1.4rem;
  }

  .banner .banner_crumb .crumb_nav .nav_left img {
    width: 0.4rem;
  }

  .banner .banner_crumb .crumb_nav .nav_right {
    margin-left: 0.3rem;
  }

  .banner .banner_crumb .crumb_bg {
    display: block;
    height: 100%;
    position: absolute;
    top: 0;
    right: -1.3rem;
  }

  .banner .phone_number {
    display: none;
  }
}

.menu {
  background-image: url(../images/include/classify_bg.png);
  background-size: cover;
}

.menu ul {
  display: flex;
  justify-content: space-between;
}

.menu ul a {
  display: block;
  height: 79PX;
  padding: 0 30PX;
  font-size: 18PX;
  color: #fff;
  line-height: 79PX;
}

.menu ul li.menu_active {
  background-color: #ff0000;
}

.menu ul li:hover {
  background-color: #ff0000;
}

@media screen and (min-width: 769px) and (max-width: 1199PX) {
  .menu ul a {
    padding: 0 10PX;
    font-size: 16PX;
  }
}

@media screen and (max-width: 768px) {
  .menu ul {
    overflow-x: auto;
  }

  .menu ul li {
    flex-shrink: 0;
  }

  .menu ul a {
    height: 2.5rem;
    padding: 0 0.75rem;
    font-size: 0.7rem;
    line-height: 2.5rem;
  }
}

.product {
  padding: 90PX 0 60PX;
  background-color: #f7f7f7;
}

.product .content_list {
  display: flex;
  flex-wrap: wrap;
}

.product .content_list li {
  width: calc((100% - 84PX) / 3);
  margin-right: 42PX;
  margin-bottom: 42PX;
  box-shadow: 0 0 0.15rem 0 rgba(102, 102, 102, 0.16);
}

.product .content_list li a {
  display: block;
}

.product .content_list li a img {
  display: block;
  width: 100%;
}

.product .content_list li a .introduce {
  padding: 13PX 23PX;
  box-sizing: border-box;
  background-color: #fff;
}

.product .content_list li a .introduce .product_name {
  display: block;
  font-size: 22PX;
  color: #000000;
  line-height: 1.5;
}

.product .content_list li a .introduce p {
  margin-top: 7PX;
  margin-bottom: 12PX;
  font-size: 18PX;
  color: #999;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  word-break: break-all;
  overflow: hidden;
  max-width: 100%;
}

.product .content_list li a .introduce .introduce_more {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.product .content_list li a .introduce .introduce_more span {
  font-size: 16PX;
  color: #000;
}

.product .content_list li a .introduce .introduce_more .more_arrow {
  font-size: 14PX;
  align-self: flex-end;
  color: #000;
}

.product .content_list li:nth-child(3n) {
  margin-right: 0;
}

@media screen and (min-width: 769px) and (max-width: 1201PX) {
  .product .content_list {
    padding: 0 20PX;
    box-sizing: border-box;
  }

  .product .content_list li {
    width: calc((100% - 42PX) / 2);
    margin-right: 42PX;
  }

  .product .content_list li:nth-child(3n) {
    margin-right: 42PX;
  }

  .product .content_list li:nth-child(2n) {
    margin-right: 0;
  }
}

@media screen and (max-width: 768px) {
  .product {
    padding: 2.25rem 0.5rem 1.5rem;
    box-sizing: border-box;
  }

  .product .content_list {
    display: flex;
    flex-wrap: wrap;
  }

  .product .content_list li {
    width: 100%;
    margin-right: 0;
    margin-bottom: 1.05rem;
  }

  .product .content_list li a .introduce {
    padding: 0.325rem 0.575rem;
  }

  .product .content_list li a .introduce .product_name {
    font-size: 1rem;
  }

  .product .content_list li a .introduce p {
    margin-top: 0.25rem;
    margin-bottom: 0.3rem;
    font-size: 0.7rem;
  }

  .product .content_list li a .introduce .introduce_more span {
    font-size: 0.7rem;
  }

  .product .content_list li a .introduce .introduce_more .more_arrow {
    font-size: 0.7rem;
  }

  .product .content_page {
    margin-top: 0.875rem;
  }

  .product .content_page ul li {
    width: 1.25rem;
    height: 1.25rem;
    margin-left: 0.375rem;
    font-size: 0.7rem;
    line-height: 1.2rem;
  }

  .product .content_page ul li {
    font-size: 0.7rem;
  }

  .product .content_page ul .disabled {
    width: 2.5rem;
    height: 1.25rem;
  }
}