.case_fl li:nth-child(-n+3) a div p {
  width: 70%;
}
.case_fl li a {
  overflow: hidden;
}
.case_fl li:hover > div {
  visibility: visible;
}
.case_fl {
  padding-bottom: 0;
  margin-top: 65px;
}
.case_fl li > div {
  visibility: hidden;
  width: 155%;
  margin-left: 40%;
  padding: 20px 0;
}
.case_fl li > div a {
  color: #414141;
  cursor: pointer;
}
.case_fl li > div a:before {
  content: '';
  display: inline-block;
  vertical-align: middle;
  width: 15px;
  margin-right: 10px;
  height: 1px;
  background: #ff6b00;
}
.case_fl li > div a:hover {
  color: #ff6b00;
}
.dl {
  position: relative;
  margin-top: 60px;
}
.dl a {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  padding: 15px 60px 15px 90px;
  background: url(../images/dl.png) no-repeat 38px 14px;
  color: #fff;
  font-size: 15px;
  background-color: #999;
}
.dl i {
  width: 29px;
  height: 16px;
  margin-right: 15%;
  margin-top: 18px;
  background: url(../images/top.png);
  cursor: pointer;
}
.product div {
  overflow: hidden;
  background: #fff;
  perspective: 3000px;
}
.product div:hover img {
  transform: scale(1) translateZ(200px);
  opacity: 0.8;
}
.product div:hover b {
  background-color: #ff6b00;
}
.product div:nth-child(odd) img {
  float: left;
}
.product div:nth-child(odd) div {
  float: right;
}
.product div:nth-child(even) img {
  float: right;
}
.product div:nth-child(even) div {
  float: left;
  text-align: right;
}
.product div img {
  width: 50%;
  transform: scale(1) translateZ(0);
  opacity: 1;
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.product div div {
  position: relative;
  height: 100%;
  width: 50%;
  padding: 5.5%;
}
.product div div b {
  display: inline-block;
  width: 75px;
  height: 75px;
  background-color: #4c4a49;
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.product div div h3 {
  font-size: 18px;
  font-weight: normal;
  color: #414141;
  margin: 5% 0;
}
.product div div p {
  color: #5b5b5b;
  margin-bottom: 10%;
}
.product div div a {
  padding: 5px 20px;
  letter-spacing: 4px;
  background: transparent;
  color: #ff6b00;
  border: 1px solid #ff6b00;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.product div div a:hover {
  color: #fff;
  background: #ff6b00;
}
.pdt .list li {
  width: 30%;
  margin-right: 5%;
}
.pdt .list li:nth-child(3n) {
  margin-right: 0;
}
.detail div:nth-child(1) > img {
  margin-top: 50px;
}
.detail div:nth-child(1) > b {
  display: block;
  width: 100%;
  height: 1px;
  background: #bab5b0;
  margin: 50px 0;
}
.detail div:nth-child(1) > ul {
  margin-bottom: 90px;
}
.detail div:nth-child(1) > ul li {
  float: left;
  width: 18%;
  margin-right: 2.5%;
  margin-bottom: 2%;
}
.detail div:nth-child(1) > ul li p {
  margin-top: 10px;
  color: #282828;
}
.detail div:nth-child(1) > ul li:nth-child(5n) {
  margin-right: 0;
}
.detail > div {
  color: #282828;
  margin-bottom: 70px;
}
.detail > div h5 {
  font-weight: normal;
  font-size: 16px;
  margin-bottom: 30px;
}
.detail > div h5:before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 23px;
  background: #ff6b00;
  vertical-align: middle;
  margin-right: 5px;
}
.detail div:nth-child(2) ul li {
  margin-top: 10px;
}
.detail div:nth-child(2) ul li:before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 12px;
  background: #4c4a49;
  vertical-align: middle;
  margin-right: 5px;
  margin-top: -2px;
}
.detail div:nth-child(n+3) ul {
  border-top: 1px solid #ccc;
  margin-bottom: 100px;
}
.detail div:nth-child(n+3) ul li {
  padding: 10px;
  border-bottom: 1px solid #ccc;
}
.detail div:nth-child(n+3) ul li span {
  float: right;
  width: 60%;
}
.detail div:nth-child(n+3) img {
  border: 1px solid #ccc;
}
.detail div:last-child ul {
  border-top: none;
}
.detail div:last-child ul li {
  padding: 0;
  border-bottom: 0;
}
.detail div:last-child ul li span {
  float: none;
  width: auto;
}
.detail div:last-child img {
  border: 0;
}
.detail div.related ul li {
  float: left;
  width: 30%;
  margin-right: 5%;
  margin-bottom: 20px;
}
.detail div.related ul li img {
  margin-bottom: 20px;
}
.detail div.related ul li:nth-child(3n) {
  margin-right: 0;
}
.detail div.related ul li span {
  display: block;
}
.detail div.related ul li span:before {
  content: '';
  display: inline-block;
  margin-right: 10px;
  width: 10px;
  height: 1px;
  background: #282828;
  vertical-align: middle;
}
.photo {
  margin-top: 65px;
  position: relative;
}
.photo > i {
  position: absolute;
  width: 50px;
  height: 85px;
  top: 35%;
  cursor: pointer;
}
.photo > i:first-child {
  left: 0;
  z-index: 9;
  background: url(../images/hl1.png) no-repeat center center;
  background-color: rgba(0, 0, 0, 0.6);
}
.photo > i:first-child:hover {
  background-image: url(../images/hl2.png);
}
.photo > i:last-child {
  right: 0;
  background: url(../images/hr1.png) no-repeat center center;
  background-color: rgba(0, 0, 0, 0.6);
}
.photo > i:last-child:hover {
  background-image: url(../images/hr2.png);
}
.photo > div {
  display: none;
}
.photo > div img {
  display: none;
  width: 100%;
}
.photo > div img:nth-child(1) {
  display: block;
}
.photo > div:nth-child(2) {
  display: block;
}
.photo ul {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 20%;
  text-align: center;
  background: rgba(0, 0, 0, 0.3);
  padding: 20px 0;
}
.photo ul li {
  display: inline-block;
  margin: 0 3%;
  cursor: pointer;
}
.photo ul li:hover b {
  background: #ff6b00;
  transform: translateY(-50%);
}
.photo ul li:hover span {
  color: #ff6b00;
}
.photo ul li b {
  display: block;
  margin: 0 auto;
  width: 95px;
  height: 95px;
  background: #4c4a49;
  border-radius: 50px;
  transform: translateY(-30%);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.photo ul li span {
  display: block;
  color: #fff;
  margin-top: -30px;
  font-size: 15px;
}
.photo ul li.cur b {
  background: #ff6b00;
  transform: translateY(-50%);
}
.photo ul li.cur span {
  color: #ff6b00;
}
@media screen and (max-width: 1385px) {
  .case_fl li > div {
    margin-left: 15%;
    width: 135%;
  }
}
@media screen and (max-width: 768px) {
  .dl a {
    padding: 15px 60px 15px 80px;
  }
  .case_fl li:nth-child(-n+3) a div p {
    width: auto;
  }
  .product div {
    position: relative;
  }
  .product div div b {
    display: none;
  }
  .product div:nth-child(odd) img {
    width: 100%;
  }
  .product div:nth-child(even) img {
    width: 100%;
  }
  .product div div {
    padding: 4%;
    width: 100%;
  }
  .product div div h3 {
    font-size: 16px;
  }
  .dl a {
    padding: 10px 25px 10px 63px;
    background-position: 19px 8px;
  }
  .dl i {
    margin-right: 5%;
    margin-top: 14px;
  }
  .list li span:nth-child(2) {
    font-size: 13px;
  }
  .pdt .list li {
    width: 47.5%;
    margin-bottom: 25px;
  }
  .pdt .list li:nth-child(3n) {
    margin-right: 5%;
  }
  .pdt .list li:nth-child(2n) {
    margin-right: 0;
  }
  .cs ul li span {
    width: 65%;
  }
  .detail > ul li {
    width: 25%;
  }
  .detail > ul {
    margin-bottom: 60px;
  }
  .cs ul {
    margin-bottom: 60px;
  }
  .photo {
    margin-top: 45px;
  }
  .photo ul li {
    transform: scale(0.4);
    margin: -43px -7%;
  }
  .photo ul li span {
    display: block;
  }
  .photo > i {
    zoom: 0.5;
  }
  .case_fl li > div {
    display: none;
  }
  .product div {
    margin: 10px auto 20px;
  }
  .detail div:nth-child(1) > ul li {
    width: 30%;
  }
}