* {
  margin: 0;
  padding: 0;
}
.public_w {
  max-width: 1630px;
  width: 85%;
  margin: 0 auto;
  padding: 0 15px;
}
/* 产品中心 */
.pro_read {
  /* banner */
  /* 导航 */
  /* 内容 */
}
.pro_read .banner {
  width: 100%;
}
.pro_read .banner > img {
  width: 100%;
}
.pro_read .nav_nav {
  width: 100%;
  padding-top: calc(10px + 0.25rem);
  padding-bottom: calc(10px + 0.25rem);
  display: flex;
  align-items: center;
  color: #666;
  font-size: calc(10px + 0.2rem);
  /* border: 1px solid #f00; */
}
.pro_read .nav_nav > img {
  width: 14px;
  margin: 0 2px;
}
.pro_read .pro_read_cont {
  width: 100%;
  display: flex;
  justify-content: space-between;
  /* border: 1px #f00 solid; */
}
.pro_read .pro_read_cont .l {
  width: 19%;
}
.pro_read .pro_read_cont .r {
  width: 76%;
  /* border: 1px #f00 solid; */
}
.pro_read .pro_read_cont .r .r1 {
  width: 100%;
  /* height: calc(90px + 15rem); */
  display: flex;
  /* border: 1px solid #f00; */
}
.pro_read .pro_read_cont .r .r1 .r1a {
  width: 32%;
  height: 100%;
  margin-right: 8%;
  border: 1px solid #eee;
  transition: all 0.3s;
}
.pro_read .pro_read_cont .r .r1 .r1a .swiper2 {
  overflow: hidden;
}
.pro_read .pro_read_cont .r .r1 .r1a:hover {
  border: 1px #0069b8 solid;
}
.pro_read .pro_read_cont .r .r1 .r1b {
  width: 50%;
  display: flex;
  flex-direction: column;
}
.pro_read .pro_read_cont .r .r1 .r1b > h3 {
  font-size: calc(10px + 0.6rem);
  color: #0d0d0d;
  margin-bottom: calc(10px + 0.5rem);
  font-weight: bold;
}
.pro_read .pro_read_cont .r .r1 .r1b > p {
  font-size: calc(10px + 0.2rem);
  line-height: 30px;
  color: #777272;
}
.pro_read .pro_read_cont .r .r1 .r1b > div:nth-of-type(1) {
  /* width: 20px; */
  height: 30px;
  display: flex;
  align-items: center;
  position: relative;
}
.pro_read .pro_read_cont .r .r1 .r1b > div:nth-of-type(1) > p {
  font-size: calc(10px + 0.2rem);
  /* line-height: 30px; */
  color: #777272;
}
.pro_read .pro_read_cont .r .r1 .r1b > div:nth-of-type(1) > img {
  width: 20px;
  height: 20px;
}
.pro_read .pro_read_cont .r .r1 .r1b > div:nth-of-type(1) > a {
  position: absolute;
  top: -150%;
  left: 15%;
  border: 1px #000 solid;
  display: none;
  transition: all 0.5s;
}
.pro_read .pro_read_cont .r .r1 .r1b > div:nth-of-type(1) > a > .ewm {
  width: 120px;
  height: 120px;
}
.pro_read .pro_read_cont .r .r1 .r1b > div:nth-of-type(1):hover > a {
  display: block;
}
.pro_read .pro_read_cont .r .r1 .r1b .sw {
  width: 100%;
  position: relative;
  display: flex;
  justify-content: center;
  margin-top: calc(10px + 0.5rem);
  /* border: 1px #f00 solid; */
}
.pro_read .pro_read_cont .r .r1 .r1b .sw > .sdf {
  width: 100%;
  height: calc(14px + 2.5rem);
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}
.pro_read .pro_read_cont .r .r1 .r1b .sw > .sdf .swiper-button-prev,
.pro_read .pro_read_cont .r .r1 .r1b .sw > .sdf .swiper-button-next {
  width: calc(14px + 2.5rem);
  height: calc(14px + 2.5rem);
  top: 0;
  margin-top: 0;
}
.pro_read .pro_read_cont .r .r1 .r1b .sw > .sdf .swiper-button-prev {
  left: 0;
}
.pro_read .pro_read_cont .r .r1 .r1b .sw > .sdf .swiper-button-next {
  right: 0;
}
.pro_read .pro_read_cont .r .r1 .r1b .sw > .sdf .swiper-button-prev.swiper-button-disabled,
.pro_read .pro_read_cont .r .r1 .r1b .sw > .sdf .swiper-button-next.swiper-button-disabled {
  opacity: 1;
}
.pro_read .pro_read_cont .r .r1 .r1b .sw > .sdf .swiper-button-prev::after,
.pro_read .pro_read_cont .r .r1 .r1b .sw > .sdf .swiper-button-next::after {
  width: calc(14px + 2.5rem);
  height: calc(14px + 2.5rem);
  /* border: 1px #0ff solid; */
  content: '';
}
.pro_read .pro_read_cont .r .r1 .r1b .sw > .sdf .swiper-button-prev::after {
  background: url(../images/prev.png) no-repeat 0 0/calc(14px + 2.5rem);
}
.pro_read .pro_read_cont .r .r1 .r1b .sw > .sdf .swiper-button-next::after {
  background: url(../images/next1.png) no-repeat 0 0/calc(14px + 2.5rem);
}
.pro_read .pro_read_cont .r .r1 .r1b .sw .swiper {
  width: calc(80px + 20rem);
  overflow: hidden;
  /* border: 1px #0f0 solid; */
}
.pro_read .pro_read_cont .r .r1 .r1b .sw .swiper .swiper-wrapper .swiper-slide {
  transition: all 0.3s;
  /* border: 1px #0f0 solid; */
}
.pro_read .pro_read_cont .r .r1 .r1b .sw .swiper .swiper-wrapper .swiper-slide.swiper-slide-thumb-active {
  border: 1px solid #0069b8;
  box-shadow: none;
}
.pro_read .pro_read_cont .r .r1 .r1b > a {
  width: calc(44px + 4rem);
  height: calc(20px + 1rem);
  background: #0069b8;
  color: #fff;
  border-radius: calc(20px + 1rem);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: calc(10px + 0.3rem);
  margin-top: calc(10px + 1rem);
}
.pro_read .pro_read_cont .r .r2 {
  width: 100%;
  height: calc(10px + 1.5rem);
  border: 1px solid #eee;
  margin-top: calc(10px + 2rem);
}
.pro_read .pro_read_cont .r .r2 > p {
  width: calc(95px + 7.5rem);
  height: 100%;
  border: 1px solid #0069b8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: calc(10px + 0.2rem);
  color: #0069b8;
}
.pro_read .pro_read_cont .r .r3 {
  width: 100%;
}
.pro_read .pro_read_cont .r .r3 > p {
  line-height: 3em;
  font-size: calc(10px + 0.3rem);
  color: #666666;
}
.pro_read .pro_read_cont .r .r3 > div {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pro_read .pro_read_cont .r .r3 > div > img {
  width: calc(100px + 25rem);
  height: calc(100px + 25rem);
  text-align: center;
}
.pro_read .pro_read_cont .r .qh {
  width: 100%;
  margin-bottom: calc(50px + 2rem);
}
.pro_read .pro_read_cont .r .qh .prev,
.pro_read .pro_read_cont .r .qh .next {
  width: 100%;
  padding: 10px;
  border: 1px solid #eee;
  margin-bottom: calc(10px + 0.25rem);
  font-size: calc(10px + 0.2rem);
}
.pro_read .pro_read_cont .r .qh .prev span,
.pro_read .pro_read_cont .r .qh .next span {
  color: #0069b8;
}
.pro_read .pro_read_cont .r .qh .prev a:hover,
.pro_read .pro_read_cont .r .qh .next a:hover {
  color: #0069b8;
}
@media screen and (max-width: 1100px) {
  .pro_read .pro_read_cont .l {
    display: none;
  }
  .pro_read .pro_read_cont .r {
    width: 100%;
  }
}
@media screen and (max-width: 770px) {
  .pro_read .pro_read_cont .r {
    width: 100%;
  }
  .pro_read .pro_read_cont .r .pro_ul {
    width: 100%;
    justify-content: space-between;
  }
  .pro_read .pro_read_cont .r .pro_ul .pro_li {
    width: 49%;
    margin: 0 0 5% 0;
  }
}