* {
  margin: 0;
  padding: 0;
}
.public_w {
  max-width: 1630px;
  width: 85%;
  margin: 0 auto;
  padding: 0 15px;
}
.about {
  /* banner */
  /* 导航 */
  /* 内容 */
}
.about .banner {
  width: 100%;
}
.about .banner > img {
  width: 100%;
}
.about .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; */
}
.about .nav_nav > img {
  width: 14px;
  margin: 0 2px;
}
.about .about_cont {
  width: 100%;
  display: flex;
  justify-content: space-between;
  /* border: 1px #f00 solid; */
}
.about .about_cont .l {
  width: 19%;
}
.about .about_cont .r {
  width: 76%;
  /* height: 100px; */
}
.about .about_cont .r > p {
  width: 100%;
  text-indent: 2em;
  line-height: 3em;
  font-size: calc(10px + 0.3rem);
  color: #666666;
}
.about .about_cont .r > div {
  display: flex;
  justify-content: center;
  margin: 3em 0;
}
.about .about_cont .r > div > img {
  max-width: 100%;
}
@media screen and (max-width: 1100px) {
  .about .about_cont .l {
    display: none;
  }
  .about .about_cont .r {
    width: 100%;
  }
}
.about_ryzz {
  /* banner */
  /* 导航 */
  /* 内容 */
  /* 弹窗 */
}
.about_ryzz .banner {
  width: 100%;
}
.about_ryzz .banner > img {
  width: 100%;
}
.about_ryzz .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; */
}
.about_ryzz .nav_nav > img {
  width: 14px;
  margin: 0 2px;
}
.about_ryzz .about_cont {
  width: 100%;
  display: flex;
  justify-content: space-between;
  /* border: 1px #f00 solid; */
}
.about_ryzz .about_cont .l {
  width: 19%;
}
.about_ryzz .about_cont .r {
  width: 76%;
  /* border: 1px #f00 solid; */
  /* height: 100px; */
}
.about_ryzz .about_cont .r .ryzz_ryzz_ul {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
}
.about_ryzz .about_cont .r .ryzz_ryzz_ul .ryzz_ryzz_li {
  width: 31.33333%;
  margin: 0 1% 20px 1%;
  padding: 10px 10px 0 10px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 1px solid #eeeeee;
}
.about_ryzz .about_cont .r .ryzz_ryzz_ul .ryzz_ryzz_li > div {
  width: 100%;
  overflow: hidden;
}
.about_ryzz .about_cont .r .ryzz_ryzz_ul .ryzz_ryzz_li > div > img {
  width: 100%;
  transition: all 0.3s;
}
.about_ryzz .about_cont .r .ryzz_ryzz_ul .ryzz_ryzz_li > p {
  text-align: center;
  color: #000;
  line-height: calc(20px + 1rem);
  font-weight: normal;
  font-size: calc(10px + 0.3rem);
}
.about_ryzz .about_cont .r .ryzz_ryzz_ul .ryzz_ryzz_li:hover > div > img {
  transform: scale(1.1);
}
@media screen and (max-width: 1100px) {
  .about_ryzz .about_cont .l {
    display: none;
  }
  .about_ryzz .about_cont .r {
    width: 100%;
  }
}
@media screen and (max-width: 770px) {
  .about_ryzz .about_cont .r {
    width: 100%;
  }
  .about_ryzz .about_cont .r .ryzz_ryzz_ul {
    width: 100%;
    justify-content: space-between;
  }
  .about_ryzz .about_cont .r .ryzz_ryzz_ul .ryzz_ryzz_li {
    width: 49%;
    margin: 0 0 5% 0;
  }
}
.about_ryzz .tan {
  position: fixed;
  width: 100vw;
  height: 100vh;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.8);
  top: 0;
  left: 0;
}
.about_ryzz .tan > div {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about_ryzz .tan > div > img {
  width: calc(124px + 15rem);
  height: calc(200px + 20rem);
}
.about_cfsb {
  /* banner */
  /* 导航 */
  /* 内容 */
  /* 弹窗 */
}
.about_cfsb .banner {
  width: 100%;
}
.about_cfsb .banner > img {
  width: 100%;
}
.about_cfsb .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; */
}
.about_cfsb .nav_nav > img {
  width: 14px;
  margin: 0 2px;
}
.about_cfsb .about_cont {
  width: 100%;
  display: flex;
  justify-content: space-between;
  /* border: 1px #f00 solid; */
}
.about_cfsb .about_cont .l {
  width: 19%;
}
.about_cfsb .about_cont .r {
  width: 76%;
  /* border: 1px #f00 solid; */
  /* height: 100px; */
}
.about_cfsb .about_cont .r .cfsb_cfsb_ul {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
}
.about_cfsb .about_cont .r .cfsb_cfsb_ul .cfsb_cfsb_li {
  width: 31.33333%;
  margin: 0 1% 20px 1%;
  padding: 10px 10px 0 10px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 1px solid #eeeeee;
}
.about_cfsb .about_cont .r .cfsb_cfsb_ul .cfsb_cfsb_li > div {
  width: 100%;
  overflow: hidden;
}
.about_cfsb .about_cont .r .cfsb_cfsb_ul .cfsb_cfsb_li > div > img {
  width: 100%;
  transition: all 0.3s;
}
.about_cfsb .about_cont .r .cfsb_cfsb_ul .cfsb_cfsb_li > p {
  text-align: center;
  color: #000;
  line-height: calc(20px + 1rem);
  font-weight: normal;
  font-size: calc(10px + 0.3rem);
}
.about_cfsb .about_cont .r .cfsb_cfsb_ul .cfsb_cfsb_li:hover > div > img {
  transform: scale(1.1);
}
@media screen and (max-width: 1100px) {
  .about_cfsb .about_cont .l {
    display: none;
  }
  .about_cfsb .about_cont .r {
    width: 100%;
  }
}
@media screen and (max-width: 770px) {
  .about_cfsb .about_cont .r {
    width: 100%;
  }
  .about_cfsb .about_cont .r .cfsb_cfsb_ul {
    width: 100%;
    justify-content: space-between;
  }
  .about_cfsb .about_cont .r .cfsb_cfsb_ul .cfsb_cfsb_li {
    width: 49%;
    margin: 0 0 5% 0;
  }
}
.about_cfsb .tan {
  position: fixed;
  width: 100vw;
  height: 100vh;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.8);
  top: 0;
  left: 0;
}
.about_cfsb .tan > div {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about_cfsb .tan > div > img {
  width: calc(154px + 30rem);
  height: calc(68px + 25rem);
}