.case_left, .case_right, .banner_left, .banner_right {
  display: block;
  cursor: pointer;
  width: 45px;
  height: 45px;
  position: absolute;
  top: 50%;
  z-index: 10;
  opacity: 0.5;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  -o-transform: translateY(-50%)
}
.case_left:hover, .case_right:hover, .banner_left:hover, .banner_right:hover {
  opacity: 1
}
.banner_left {
  left: 120px;
  background: url("../image/banner_left.png") no-repeat;
  background-size: 100% 100%;
  -moz-background-size: 100% 100%;
  -o-background-size: 100% 100%;
  -ms-background-size: 100% 100%;
  -webkit-background-size: 100% 100%
}
.banner_right {
  right: 120px;
  background: url("../image/banner_right.png") no-repeat;
  background-size: 100% 100%;
  -moz-background-size: 100% 100%;
  -o-background-size: 100% 100%;
  -ms-background-size: 100% 100%;
  -webkit-background-size: 100% 100%
}
.case_left {
  left: -100px;
  background: url("../image/case_left.png") no-repeat;
  background-size: 100% 100%;
  -moz-background-size: 100% 100%;
  -o-background-size: 100% 100%;
  -ms-background-size: 100% 100%;
  -webkit-background-size: 100% 100%
}
.case_right {
  right: -100px;
  background: url("../image/case_right.png") no-repeat;
  background-size: 100% 100%;
  -moz-background-size: 100% 100%;
  -o-background-size: 100% 100%;
  -ms-background-size: 100% 100%;
  -webkit-background-size: 100% 100%
}
.banner_box .swiper-pagination {
  text-align: right;
  bottom: 30px;
  box-sizing: border-box;
  padding-right: 15vw;
  width: 100%
}
.banner_box .swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  background: transparent;
  border: 2px solid #fff;
  box-sizing: border-box;
  transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
  border-radius: 0;
  -webkit-border-radius: 0;
  -moz-border-radius: 0
}
.banner_box .swiper-pagination-bullet-active {
  background: #fff
}
.index_box {
  position: relative;
  padding: 200px 0 50px
}
.index_title {
  position: absolute;
  z-index: 10;
  right: 10vw;
  top: 0;
  padding-top: 75px;
  padding-right: 310px
}
.index_title::before {
  display: block;
  content: "";
  position: absolute;
  right: 270px;
  top: 0;
  width: 5px;
  border-bottom: 110px solid #7c0000
}
.index_title::after {
  display: block;
  content: "";
  position: absolute
}
.index_title h5 {
  text-transform: uppercase;
  color: #191919;
  transform: rotate(90deg);
  width: 115px;
  letter-spacing: 5px;
  padding-left: 7px
}
.index_title h1 {
  color: #191919;
  font-weight: bold;
  width: 22px;
  margin-left: 8px
}
.index_title_1::after {
  width: 240px;
  height: 280px;
  right: 0;
  top: 85px;
  background: url("../image/index_title_1.png") no-repeat;
  background-size: 100% 100%;
  -moz-background-size: 100% 100%;
  -o-background-size: 100% 100%;
  -ms-background-size: 100% 100%;
  -webkit-background-size: 100% 100%
}
.index_title_2 {
  left: 190px;
  right: auto
}
.index_title_2::before {
  left: -45px;
  right: auto;
  border-color: #fff
}
.index_title_2::after {
  width: 246px;
  height: 280px;
  left: -355px;
  top: 110px;
  z-index: 4;
  background: url("../image/index_title_2.png") no-repeat;
  background-size: 100% 100%;
  -moz-background-size: 100% 100%;
  -o-background-size: 100% 100%;
  -ms-background-size: 100% 100%;
  -webkit-background-size: 100% 100%
}
.index_title_2 h1 {
  color: #fff
}
.index_title_2 h5 {
  color: #fff;
  position: relative;
  left: -90px
}
.index_title_3 {
  right: 15vw
}
.index_title_3::after {
  width: 225px;
  height: 287px;
  right: 0;
  top: 85px;
  background: url("../image/index_title_3.png") no-repeat;
  background-size: 100% 100%;
  -moz-background-size: 100% 100%;
  -o-background-size: 100% 100%;
  -ms-background-size: 100% 100%;
  -webkit-background-size: 100% 100%
}
.index_title_4 {
  left: 205px;
  right: auto
}
.index_title_4::before {
  left: -45px;
  right: auto;
  border-color: #fff
}
.index_title_4::after {
  width: 288px;
  height: 280px;
  left: -370px;
  top: 110px;
  z-index: 4;
  background: url("../image/index_title_4.png") no-repeat;
  background-size: 100% 100%;
  -moz-background-size: 100% 100%;
  -o-background-size: 100% 100%;
  -ms-background-size: 100% 100%;
  -webkit-background-size: 100% 100%
}
.index_title_4 h1 {
  color: #fff
}
.index_title_4 h5 {
  color: #fff;
  position: relative;
  left: -90px
}
.recommend_swiper {
  background: #fff
}
.recommend_swiper .swiper-slide {
  padding-left: 20vw;
  box-sizing: border-box;
  background: #fff
}
.recommend_cont {
  position: relative
}
.recommend_img_1 {
  width: 45%;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 2;
  background: #fff;
  -moz-box-shadow: 10px 10px 15px rgba(0, 0, 0, 0.15), -10px 10px 15px rgba(0, 0, 0, 0.15);
  -webkit-box-shadow: 10px 10px 15px rgba(0, 0, 0, 0.15), -10px 10px 15px rgba(0, 0, 0, 0.15);
  box-shadow: 10px 10px 15px rgba(0, 0, 0, 0.15), -10px 10px 15px rgba(0, 0, 0, 0.15)
}
.recommend_img_2 {
  padding-top: 85px;
  width: 70%;
  position: relative
}
.recommend_img_2 h2 {
  position: absolute;
  left: 0;
  bottom: 0;
  padding-left: 25vw;
  color: #ffffff;
  font-size: 30px;
  box-sizing: border-box;
  line-height: 1.6
}
.recommend_img_2 h2::before {
  display: block;
  content: "";
  width: 73px;
  height: 67px
}
.recommend_tips h2 {
  width: 70%;
  padding-left: 25vw;
  color: #191919;
  font-size: 30px;
  box-sizing: border-box;
  line-height: 1.6
}
.recommend_icon_1::before {
  background: url("../image/recommend_icon_1.png") no-repeat;
  background-size: 100% 100%;
  -moz-background-size: 100% 100%;
  -o-background-size: 100% 100%;
  -ms-background-size: 100% 100%;
  -webkit-background-size: 100% 100%
}
.recommend_icon_2::before {
  background: url("../image/recommend_icon_2.png") no-repeat;
  background-size: 100% 100%;
  -moz-background-size: 100% 100%;
  -o-background-size: 100% 100%;
  -ms-background-size: 100% 100%;
  -webkit-background-size: 100% 100%
}
.recommend_icon_3::before {
  background: url("../image/recommend_icon_3.png") no-repeat;
  background-size: 100% 100%;
  -moz-background-size: 100% 100%;
  -o-background-size: 100% 100%;
  -ms-background-size: 100% 100%;
  -webkit-background-size: 100% 100%
}
.recommend_info {
  position: absolute;
  right: 0;
  bottom: -90px;
  z-index: 3;
  width: 550px;
  box-sizing: border-box;
  padding: 60px 70px 40px;
  background: #7c0000;
  -moz-box-shadow: 10px 10px 15px rgba(0, 0, 0, 0.15), -10px 10px 15px rgba(0, 0, 0, 0.15);
  -webkit-box-shadow: 10px 10px 15px rgba(0, 0, 0, 0.15), -10px 10px 15px rgba(0, 0, 0, 0.15);
  box-shadow: 10px 10px 15px rgba(0, 0, 0, 0.15), -10px 10px 15px rgba(0, 0, 0, 0.15)
}
.recommend_info h2 {
  font-weight: bold;
  color: #fff;
  position: relative
}
.recommend_info h2 span {
  font-size: 36px;
  color: rgba(255, 255, 255, 0.05);
  position: absolute;
  left: 0;
  bottom: 0
}
.recommend_info h4 {
  margin: 30px 0 45px;
  color: rgba(255, 255, 255, 0.49)
}
.recommend_info a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.49)
}
.product_box {
  
}
.product_box > div.container {
  padding: 110px 0 50px
}
.product_list {
  flex-wrap: nowrap;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  -webkit-box-pack: space-between;
  -ms-flex-pack: space-between;
  justify-content: space-between;
  padding-bottom: 160px
}
.product_list li {
  position: relative;
  width: 400px;
  height: 500px
}
.product_list li:hover .product_info {
  opacity: 1
}
.product_info {
  width: 100%;
  height: 100%;
  text-align: center;
  background: rgb(0 58 124 / 90%);
  position: relative;
  opacity: 0;
  transition: opacity 0.2s linear;
  -moz-transition: opacity 0.2s linear;
  -o-transition: opacity 0.2s linear;
  -ms-transition: opacity 0.2s linear;
  -webkit-transition: opacity 0.2s linear
}
.product_info::before {
  display: block;
  content: "";
  position: absolute;
  top: 20px;
  right: 20px;
  bottom: 20px;
  left: 20px;
  border: 2px solid #f08200
}
.product_info h5 {
  text-transform: uppercase;
  color: #fff;
  white-space: nowrap
}
.product_info h1 {
  color: #fff;
  font-weight: bold;
  margin-top: 3px
}
.product_img_1 {
  top: 110px;
  background: url("../image/cp01.png") no-repeat;
  background-size: 100% 100%;
  -moz-background-size: 100% 100%;
  -o-background-size: 100% 100%;
  -ms-background-size: 100% 100%;
  -webkit-background-size: 100% 100%
}
.product_img_2 {
  top: 150px;
  background: url("../image/cp02.png") no-repeat;
  background-size: 100% 100%;
  -moz-background-size: 100% 100%;
  -o-background-size: 100% 100%;
  -ms-background-size: 100% 100%;
  -webkit-background-size: 100% 100%
}
.product_img_3 {
  background: url("../image/cp02.png") no-repeat;
  background-size: 100% 100%;
  -moz-background-size: 100% 100%;
  -o-background-size: 100% 100%;
  -ms-background-size: 100% 100%;
  -webkit-background-size: 100% 100%
}
.product_img_4 {
  top: 50px;
  background: url("../image/cp03.png") no-repeat;
  background-size: 100% 100%;
  -moz-background-size: 100% 100%;
  -o-background-size: 100% 100%;
  -ms-background-size: 100% 100%;
  -webkit-background-size: 100% 100%
}
.more_product {
  position: absolute;
  left: 802px;
  bottom: 72px;
  z-index: 12;
  display: block;
  width: 240px;
  line-height: 60px;
  font-size: 18px;
  font-weight: bold;
  border: 2px solid #898989;
  padding-left: 40px;
  color: #ffffff
}
.more_product:hover {
  background: #7c0000;
  border-color: #7c0000;
  animation: shake 1.5s linear;
  -webkit-animation: shake 1.5s linear;
  -ms-animation: shake 1.5s linear;
  -o-animation: shake 1.5s linear;
  -moz-animation: shake 1.5s linear
}
.case_box {
  padding-top: 230px;
  background: #f3f3f3
}
.case_swiper {
  background: #2b2b2b url("../image/case_swiper_bg.jpg") no-repeat left bottom;
  padding: 45px 100px;
  box-sizing: border-box
}
.case_swiper .swiper-container {
  z-index: 11
}
.news_box {
  background: #323232;
  padding-bottom: 50px
}
.news_box .img_box:hover img {
  transform: scale(1.2) translate(-50%, -50%);
  -webkit-transform: scale(1.2) translate(-50%, -50%);
  -o-transform: scale(1.2) translate(-50%, -50%);
  -ms-transform: scale(1.2) translate(-50%, -50%);
  -moz-transform: scale(1.2) translate(-50%, -50%)
}
.news_list {
  padding: 140px 0 120px;
  position: relative;
  z-index: 10
}
.news_list li {
  width: 580px;
  margin: 0 10px;
  position: relative;
  top: 110px
}
.news_list li:nth-child(2) {
  top: 0
}
.news_list li:nth-child(2) .news_info {
  background: #7c0000
}
.news_list li:nth-child(2) .news_info h5, .news_list li:nth-child(2) .news_info h6 {
  color: rgba(255, 255, 255, 0.51)
}
.news_list .img_box {
  height: 350px
}
.news_info {
  width: 500px;
  box-sizing: border-box;
  padding: 60px 50px 30px;
  position: relative;
  top: -40px;
  background: #232323;
  -moz-box-shadow: 10px 10px 15px rgba(0, 0, 0, 0.15), -10px 10px 15px rgba(0, 0, 0, 0.15);
  -webkit-box-shadow: 10px 10px 15px rgba(0, 0, 0, 0.15), -10px 10px 15px rgba(0, 0, 0, 0.15);
  box-shadow: 10px 10px 15px rgba(0, 0, 0, 0.15), -10px 10px 15px rgba(0, 0, 0, 0.15)
}
.news_info h3 {
  color: #fff
}
.news_info h5.ellipsis2 {
  margin: 30px 0 60px;
  line-height: 1.6;
  color: #888888
}
.news_info h5.ellipsis3 {
  margin: 40px 0 70px;
  line-height: 1.6;
  color: #888888
}
.news_info h6 {
  color: #888888;
  font-size: 14px
}
.news_infos {
  position: absolute;
  left: 10px;
  top: 0;
  z-index: 10;
  width: 400px;
  padding: 80px 40px
}
.news_date {
  color: #fff;
  margin-bottom: 15px
}
.news_big a {
  display: block;
  padding-left: 380px;
  position: relative
}
.news_big .img_box {
  height: 500px
}
.about_box {
  padding-bottom: 50px
}
.about_title {
  position: relative;
  padding: 90px 0 50px 150px;
  background: url("../image/about_title_bg.jpg") no-repeat right 90px
}
.about_title::before {
  display: block;
  content: "";
  position: absolute;
  top: 0;
  left: 100px;
  width: 5px;
  border-bottom: 120px solid #7c0000
}
.about_title::after {
  display: block;
  content: "";
  width: 258px;
  height: 285px;
  position: absolute;
  left: -170px;
  top: 170px;
  background: url("../image/index_title_5.png") no-repeat;
  background-size: 100% 100%;
  -moz-background-size: 100% 100%;
  -o-background-size: 100% 100%;
  -ms-background-size: 100% 100%;
  -webkit-background-size: 100% 100%
}
.about_title h5 {
  text-transform: uppercase;
  color: #191919;
  transform: rotate(90deg);
  width: 115px;
  letter-spacing: 5px;
  padding-left: 7px;
  position: relative;
  left: -90px
}
.about_title h1 {
  color: #191919;
  font-weight: bold;
  width: 22px;
  margin-left: 8px
}
.about_cont {
  padding-left: 10px
}
.about_img {
  width: 640px;
  position: relative;
  z-index: 3
}
.about_info {
  margin-left: 80px;
  width: 480px;
  padding-top: 90px
}
.about_info h1 {
  font-weight: bold;
  font-size: 30px;
  color: #0e0e0e;
  position: relative;
  line-height: 36px
}
.about_info h1::before {
  display: block;
  content: "";
  position: absolute;
  width: 60px;
  left: -65px;
  top: 16px;
  border-bottom: 4px solid #0e0e0e
}
.about_info h4 {
  margin-top: 45px;
  text-indent: 2em;
  color: #0e0e0e;
  line-height: 2
}
.about_info h6 {
  margin: 40px 0 80px;
  color: rgba(14, 14, 14, 0.49)
}
.about_info a {
  display: block;
  border: 2px solid #bababa;
  width: 150px;
  line-height: 50px;
  font-size: 16px;
  color: #0e0e0e;
  font-weight: bold;
  padding-left: 20px;
  background: url("../image/about_btn.jpg") no-repeat 100px center
}
.about_info a:hover {
  animation: shake 1.5s linear;
  -webkit-animation: shake 1.5s linear;
  -ms-animation: shake 1.5s linear;
  -o-animation: shake 1.5s linear;
  -moz-animation: shake 1.5s linear
}
@media screen and (min-width: 1500px) {
  .case_box {
    background: #f3f3f3 url("../image/case_bg.jpg") no-repeat left bottom
  }
}
@media screen and (max-width: 1700px) {
  .index_title_3 {
    right: 10vw
  }
}
@media screen and (max-width: 1500px) {
  .recommend_info {
    width: 450px
  }
  .recommend_info h4 {
    margin: 17px 0 30px
  }
  .recommend_img_2 h2 {
    font-size: 20px;
    padding-left: 22vw
  }
  .recommend_img_2 h2::before {
    width: 40px;
    height: 37px
  }
  .recommend_tips h2 {
    font-size: 20px;
    padding-left: 22vw
  }
  .index_title_1 {
    padding-top: 45px;
    padding-right: 140px
  }
  .index_title_1::before {
    right: 120px
  }
  .index_title_1::after {
    width: 110px;
    height: 129px;
    top: 120px
  }
  .index_title_2::after {
    width: 110px;
    height: 125px;
    left: -180px;
    top: 50px
  }
  .index_title_3 {
    right: 7vw
  }
  .index_title_4::after {
    width: 120px;
    height: 117px;
    left: -180px;
    top: 100px
  }
  .about_title {
    padding: 90px 0 50px 180px
  }
  .about_title::before {
    left: 150px
  }
  .about_title::after {
    width: 120px;
    height: 133px;
    left: 10px;
    top: 96px
  }
}
@media screen and (max-width: 1350px) {
  .index_title_3 {
    padding-right: 180px
  }
  .index_title_3::before {
    right: 160px
  }
  .index_title_3::after {
    width: 150px;
    height: 190px;
    right: -20px;
    top: 180px
  }
  .case_left {
    left: 30px;
    background: url("../image/banner_left.png") no-repeat;
    background-size: 100% 100%;
    -moz-background-size: 100% 100%;
    -o-background-size: 100% 100%;
    -ms-background-size: 100% 100%;
    -webkit-background-size: 100% 100%
  }
  .case_right {
    right: 30px;
    background: url("../image/banner_right.png") no-repeat;
    background-size: 100% 100%;
    -moz-background-size: 100% 100%;
    -o-background-size: 100% 100%;
    -ms-background-size: 100% 100%;
    -webkit-background-size: 100% 100%
  }
}

@media screen and (max-width: 1400px) {
  .product_list li {
    width: 380px;
    height: 480px;
  }
}

@media screen and (max-width: 1300px) {
  .product_list li {
    width: 360px;
    height: 460px;
  }
}

@media screen and (max-width: 1200px) {
  .product_list li {
    width: 330px;
    height: 430px;
  }
}

@media screen and (max-width: 768px) {
.product_img_1{top: -50px;}
.product_list{    padding-bottom: 42px;}

}