html,
body {
  height: auto;
  position: relative;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "微软雅黑";
}
a {
  text-decoration: none !important;
  -webkit-tap-highlight-color: transparent;
  color: inherit;
}
ul,
li {
  list-style: none;
}
.comm_cont {
  width: 100%;
  height: auto; 
}
#head_box {
  width: 100%;
  height: auto; 
  top: 0px;
  left: 0px;
  z-index: 5; 
  transition: 0.5s;
}
.head_boxA {
  /*box-shadow: 0px 6px 6px rgba(0, 0, 0, 0.2);*/
  /*transition: 0.5s;*/
  top: 0px !important;
}
.prd_cont {
  width: 100%;
  height: auto;
  min-height: 100vh;
  padding-top: 20px;
}
.prd_cont .prd_box {
  width: 100%;
  height: auto;
  min-height: 200px;
}
.prd_cont .prd_box .banner_img {
  width: 100%;
  height: auto;
}
.prd_cont .prd_box .banner_img img {
  width: 100%;
  display: block;
}
.prd_cont .prd_box .prd_div {
  width: 1400px;
  height: auto;
  min-height: 600px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  align-items: flex-start;
  padding-bottom: 100px;
}
.prd_cont .prd_box .prd_div .cont_div {
  width: 100%;
  height: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  align-items: flex-start;
}
.prd_cont .prd_box .prd_div .cont_div .swiper_box {
  position: relative;
}
.prd_cont .prd_box .prd_div .cont_div .swiper_box #gallery {
  width: 600px;
  height: 600px;
  border: solid 4px #f6f6f6;
}
.prd_cont .prd_box .prd_div .cont_div .swiper_box #gallery .swiper-button-next,
.prd_cont .prd_box .prd_div .cont_div .swiper_box #gallery .swiper-button-prev {
  top: 88%;
  z-index: 2;
}
.prd_cont .prd_box .prd_div .cont_div .swiper_box #gallery img {
  width: 100%;
  display: block;
}
.prd_cont .prd_box .prd_div .cont_div .swiper_box #gallery .swiper-button-prev {
  background-image: url(/images/left.png);
  outline: none;
  width: 45px;
  height: 104px;
  left: 0px;
  background-size: 45px 104px;
}
.prd_cont .prd_box .prd_div .cont_div .swiper_box #gallery .swiper-button-prev.swiper-button-disabled {
  background-image: url(/images/leftA.png);
  opacity: 1;
}
.prd_cont .prd_box .prd_div .cont_div .swiper_box #gallery .swiper-button-next {
  background-image: url(/images/right.png);
  outline: none;
  width: 45px;
  height: 104px;
  right: 0px;
  background-size: 45px 104px;
}
.prd_cont .prd_box .prd_div .cont_div .swiper_box #gallery .swiper-button-next.swiper-button-disabled {
  background-image: url(/images/rightA.png);
  opacity: 1;
}
.prd_cont .prd_box .prd_div .cont_div .swiper_box #thumbs {
  width: 450px;
  height: 110px;
  margin: auto;
  margin-top: 15px;
  overflow: hidden;
}
.prd_cont .prd_box .prd_div .cont_div .swiper_box #thumbs .swiper-slide {
  border: 1px solid #F6F6F6;
}
.prd_cont .prd_box .prd_div .cont_div .swiper_box #thumbs .swiper-slide img {
  width: 50px; height:100px; margin:0 auto;
  display: block;
  cursor: pointer;
}
.prd_cont .prd_box .prd_div .cont_div .swiper_box #thumbs .my-slide-thumb-active {
  border: 1px solid #dddddd;
}
.prd_cont .prd_box .prd_div .cont_div .cont_text {
  width: 700px;
  height: auto;
}
.prd_cont .prd_box .prd_div .cont_div .cont_text p {
  font-size: 16px;
  color: #222;
  line-height: 38px;
  margin-bottom: 8px;
}
.prd_cont .prd_box .prd_div .cont_div .cont_text p span {
  font-size: 16px;
  color: #333;
  margin-right: 0px;
}
.prd_cont .prd_box .prd_div .rich_box {
  width: 100%;
  height: auto;
  position: relative;
  padding-top: 1px;
}
.prd_cont .prd_box .prd_div .rich_box .rich_title {
  width: 100%;
  height: 69px;
  background-color: #f4f4f4;
  font-size: 18px;
  color: #333;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  text-indent: 15px;
  font-weight: 600;
  margin-top: 60px;
}
.prd_cont .prd_box .prd_div .rich_box .rich_div {
  width: 100%;
  height: auto;
  padding: 50px 0px;
}
.prd_cont .prd_box .prd_div .rich_box .rich_div p {
  font-size: 16px;
  color: #333;
  margin-bottom: 10px;
  line-height: 30px;
  text-indent: 30px;
}
.prd_cont .prd_box .prd_div .rich_box .rich_div img {
  width: 100%;
  display: block;
}