.public_all {
  margin-left: 15.6%;
  width: 85%;
  max-width: 1620px;
}
.public_w {
  max-width: 1360px;
  width: 85%;
  margin: 0 auto;
}
* {
  margin: 0;
  padding: 0;
}
.about {
  width: 84.4%;
  /* border: 1px solid #000; */
}
.about .about1 {
  display: flex;
  flex-direction: column;
  margin-top: calc(30px + 5rem);
  margin-bottom: calc(20px + 5rem);
}
.about .about1 > p {
  font-family: HelveticaNeue_Medium;
  font-size: calc(10px + 1.6rem);
  color: #333333;
  margin-bottom: calc(10px + 2rem);
}
.about .about1 > span {
  font-family: Helvetica;
  font-size: calc(10px + 0.4rem);
  color: #777777;
  line-height: calc(10px + 1rem);
  margin-bottom: calc(10px + 0.5rem);
}
.about .about1 > span:nth-of-type(3) {
  margin-bottom: 0;
}
.about .about1 > div {
  width: 100%;
  border-top: 1px solid #D9D9D9;
  margin-top: calc(10px + 2.5rem);
}
.about .about1 > div > div {
  width: 100%;
  margin-top: calc(10px + 2.5rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.about .about1 > div > div > .l {
  width: 47.94%;
}
.about .about1 > div > div > .l > img {
  width: 100%;
}
.about .about1 > div > div > .r {
  width: 44.558%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.about .about1 > div > div > .r > p {
  font-family: Helvetica;
  font-size: calc(10px + 0.4rem);
  color: #777777;
  line-height: calc(10px + 1rem);
}
.about .about1 > div > div > .r > div {
  width: 100%;
  display: flex;
  margin-top: calc(16px + 1.5rem);
}
.about .about1 > div > div > .r > div > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-right: calc(13px + 2.5rem);
}
.about .about1 > div > div > .r > div > div > div {
  width: calc(16px + 3rem);
  height: calc(16px + 3rem);
  background: #F2F2F2;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about .about1 > div > div > .r > div > div > div .about_bg1 {
  width: calc(10px + 1.3rem);
  height: calc(10px + 1.4rem);
}
.about .about1 > div > div > .r > div > div > div .about_bg2,
.about .about1 > div > div > .r > div > div > div .about_bg3 {
  width: calc(10px + 1.45rem);
  height: calc(10px + 1.2rem);
}
.about .about1 > div > div > .r > div > div > p {
  margin-top: calc(2px + 0.5rem);
  font-family: HelveticaNeue_Medium;
  font-size: calc(10px + 0.4rem);
  color: #333333;
}
.about .about1 > div > div > .r > div > div:nth-last-of-type(1) {
  margin-right: 0;
}
.about .about2 {
  display: flex;
  flex-direction: column;
  background: #F7F7F7;
  padding-top: calc(19px + 3.5rem);
  padding-bottom: calc(42px + 5rem);
}
.about .about2 .about2_a {
  width: 100%;
  display: flex;
  justify-content: space-between;
}
.about .about2 .about2_a > p {
  font-family: HelveticaNeue_Medium;
  font-size: calc(10px + 1.5rem);
  color: #333333;
}
.about .about2 .about2_a > div {
  width: calc(30px + 5rem);
  height: calc(20px + 1.5rem);
  position: relative;
  /* border: 1px solid #000; */
}
.about .about2 .about2_a > div > div {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.about .about2 .about2_a > div > div > div {
  width: calc(20px + 1.5rem);
  height: calc(20px + 1.5rem);
  border-radius: 50%;
  background: #333333;
}
.about .about2 .about2_a > div > div .swiper-button-prev::after,
.about .about2 .about2_a > div > div .swiper-button-next::after {
  content: '';
  display: flex;
  align-items: center;
  justify-content: center;
  width: calc(20px + 1.5rem);
  height: calc(20px + 1.5rem);
  border-radius: 50%;
  /* border: 1px solid #f00; */
}
.about .about2 .about2_a > div > div .swiper-button-prev {
  left: 0;
}
.about .about2 .about2_a > div > div .swiper-button-next {
  right: 0;
}
.about .about2 .about2_a > div > div .swiper-button-prev::after {
  background: url('../images/prev.png') no-repeat center center;
  background-size: calc(4px + 0.2rem) calc(6px + 0.3rem);
}
.about .about2 .about2_a > div > div .swiper-button-next::after {
  background: url('../images/next.png') no-repeat center center;
  background-size: calc(4px + 0.2rem) calc(6px + 0.3rem);
}
.about .about2 .about2_a > div > div .swiper-button-disabled {
  background: #E2E2E2;
}
.about .about2 .swiper {
  width: 100%;
  margin-top: calc(12px + 2.5rem);
}
@media screen and (max-width: 1100px) {
  .public_all {
    width: 100%;
    margin-left: 0;
  }
  .about .about1 > div > div {
    display: flex;
    flex-direction: column;
  }
  .about .about1 > div > div > .l {
    width: 100%;
  }
  .about .about1 > div > div > .r {
    width: 100%;
    margin-top: calc(10px + 1rem);
  }
  .about .about2 .about2_a > div {
    width: calc(30px + 6rem);
  }
}