.about_banner.mobile {
  display: none;
}
.about_advantage_ul.mobile {
  display: none;
}
.about_banner {
  width: 100%;
  margin-top: 100px;
}
.about_banner img {
  display: block;
  width: 100%;
}

.about_wash {
  width: 100%;
}
@font-face {
  font-family: 'NotoSansHans-DemiLight';
  src: url(https://5wash-web.oss-cn-shenzhen.aliyuncs.com/official-website/fonts/NotoSansHans-DemiLight.ttf) format('truetype');
}
.about_wash_title {
  width: 100%;
  text-align: center;
  line-height: 54px;
  margin-top: 117px;
  font-size: 30px;
  font-weight: bold;
  color: #191919;
  font-family: "NotoSansHans-DemiLight";
}
.about_wash_title_icon {
  width: 32px;
  height: 3px;
  background: #feca43;
  margin: 0 auto;
}
.about_wash_desc {
  margin-top: 29px;
  text-align: center;
  line-height: 22px;
  font-size: 14px;
  color: #4c4c4c;
}
.about_wash_desc2 {
  margin-top: 21px;
  text-align: center;
  line-height: 22px;
  font-size: 14px;
  color: #4c4c4c;
}
.about_onvenient {
  width: 100%;
  padding-top: 22px;
}
.about_onvenient_title {
  line-height: 50px;
  text-align: center;
  font-size: 24px;
  color: #191919;
  font-weight: bold;
}
.about_onvenient_title_icon {
  width: 32px;
  height: 3px;
  background: #feca43;
  margin: 0 auto;
}
.about_onvenient_desc {
  margin-top: 29px;
  text-align: center;
  line-height: 22px;
  font-size: 14px;
  color: #4c4c4c;
}
.about_onvenient_ul {
  margin: 63px auto 0 auto;
  max-width: 832px;
  clear: both;
  overflow: hidden;
}
.about_onvenient_li {
  float: left;
  width: 208px;
  margin-bottom: 60px;
  text-align: center;
}
.about_onvenient_img {
  width: 70px;
  margin: 0 auto;
}
.about_onvenient_img img {
  display: block;
  width: 100%;
}
.about_onvenient_name {
  text-align: center;
  line-height: 22px;
  padding-top: 16px;
  font-size: 16px;
  font-weight: bold;
  color: #191919;
}
.about_innovation {
  width: 100%;
}
.about_innovation_title {
  padding-top: 25px;
  line-height: 54px;
  text-align: center;
  font-size: 30px;
  color: #191919;
  font-weight: bold;
}
.about_innovation_title_icon {
  width: 32px;
  height: 3px;
  background: #feca43;
  margin: 0 auto;
}
.about_innovation_ul {
  width: 1200px;
  margin-top: 30px;
  clear: both;
  overflow: hidden;
}
.about_innovation_li {
  float: left;
  width: 576px;
  height: 500px;
  overflow: hidden;
  margin: 0 12px 40px 12px;
  background: #f8f8f8;
  border-radius: 10px;
  box-sizing: border-box;
  padding-top: 76px;
}
.about_innovation_li_img {
  width: 192px;
  height: 186px;
  margin: 0 auto;
}
.about_innovation_li_img img {
  display: block;
  width: 100%;
  height: 100%;
}
.about_innovation_li_title {
  padding-top: 17px;
  line-height: 68px;
  text-align: center;
  font-size: 24px;
  color: #191919;
  font-weight: bold;
}
.about_innovation_li_desc {
  text-align: center;
  font-size: 14px;
  color: #191919;
  font-weight: bold;
  line-height: 22px;
}
.about_innovation_li_p {
  max-width: 465px;
  margin: 21px auto 0 auto;
  text-align: justify;
  text-indent: 2em;
  line-height: 22px;
  font-size: 14px;
  color: #4c4c4c;
}
.about_advantage {
  width: 100%;
  padding-top: 48px;
}
.about_advantage_title {
  text-align: center;
  line-height: 54px;
  font-size: 30px;
  color: #191919;
  font-weight: bold;
}
.about_advantage_title_icon {
  width: 32px;
  height: 3px;
  background: #feca43;
  margin: 0 auto;
}
.about_advantage_ul {
  margin-top: 30px;
  width: 1200px;
  box-sizing: border-box;
  padding: 0 8px;
  clear: both;
  overflow: hidden;
}
.about_advantage_li {
  width: 288px;
  float: left;
  height: 146px;
  margin: 4px;
  box-sizing: border-box;
  overflow: hidden;
}
.about_advantage_li.grey {
  background: #edeeee;
  padding: 24px 30px 0 30px;
}
.about_advantage_li.yellow {
  background: #feca43;
  padding: 24px 30px 0 30px;
}
.about_advantage_li.img img {
  display: block;
  width: 100%;
  height: 100%;
}
.about_advantage_li_title {
  font-size: 26px;
  color: #191919;
  line-height: 40px;
  font-weight: bold;
}
.about_advantage_li_desc {
  font-size: 18px;
  line-height: 28px;
  color: #191919;
}
.about_course {
  width: 100%;
  padding-top: 84px;
  padding-bottom: 117px;
}
.about_course_title {
  text-align: center;
  line-height: 54px;
  font-size: 30px;
  color: #191919;
  font-weight: bold;
}
.about_course_title_icon {
  width: 32px;
  height: 3px;
  background: #feca43;
  margin: 0 auto;
}
.about_course_con {
  margin-top: 47px;
  width: 100%;
  height: 775px;
  overflow: hidden;
  position: relative;
  transition: all 0.3s;
}
.about_course_con.act {
  height: 2247px;
  transition: all 0.3s;
}
.about_course_center_line {
  width: 1px;
  height: 100%;
  background: #cfcfcf;
  position: absolute;
  top: 0;
  left: 50%;
  z-index: -1;
  margin-left: -0.5px;
}
.about_course_years {
  width: 230px;
  height: 60px;
  box-sizing: border-box;
  line-height: 60px;
  text-align: center;
  border: 1px solid #cfcfcf;
  border-radius: 30px;
  font-size: 26px;
  color: #4c4c4c;
  position: absolute;
  left: 50%;
  margin-left: -115px;
  background: #ffffff;
}
.about_course_years.y_2021 {
  top: 0;
}
.about_course_years.y_2020 {
  top: 342px;
}
.about_course_years.y_2019 {
  top: 775px;
}
.about_course_years.y_2018 {
  top: 1390px;
}
.about_course_years.y_2017 {
  top: 2005px;
}
.about_course_month {
  width: 81px;
  height: 31px;
  position: absolute;
  left: 50%;
  margin-left: -40.5px;
}
.about_course_month.m_2021_9 {
  top: 120px;
}
.about_course_month.m_2021_6 {
  top: 211px;
}
.about_course_month.m_2020_10 {
  top: 462px;
}
.about_course_month.m_2020_6 {
  top: 553px;
}
.about_course_month.m_2020_4 {
  top: 644px;
}
.about_course_month.m_2019_9 {
  top: 895px;
}
.about_course_month.m_2019_6 {
  top: 986px;
}
.about_course_month.m_2019_5 {
  top: 1077px;
}
.about_course_month.m_2019_3 {
  top: 1168px;
}
.about_course_month.m_2019_1 {
  top: 1259px;
}
.about_course_month.m_2018_11 {
  top: 1510px;
}
.about_course_month.m_2018_10 {
  top: 1601px;
}
.about_course_month.m_2018_9 {
  top: 1692px;
}
.about_course_month.m_2018_4 {
  top: 1783px;
}
.about_course_month.m_2018_3 {
  top: 1874px;
}
.about_course_month.m_2017_11 {
  top: 2125px;
}
.about_course_month.m_2017_3 {
  top: 2216px;
}
.about_course_month_title {
  width: 81px;
  height: 31px;
  line-height: 31px;
  border-radius: 15.5px;
  background: #feca43;
  font-size: 22px;
  color: #ffffff;
  text-align: center;
  position: absolute;
  left: 0;
  top: 0;
}
.about_course_month_right_line {
  width: 53px;
  height: 1px;
  background: #feca43;
  position: absolute;
  right: -53px;
  top: 50%;
  margin-top: -0.5px;
}
.about_course_month_left_line {
  width: 53px;
  height: 1px;
  background: #feca43;
  position: absolute;
  left: -53px;
  top: 50%;
  margin-top: -0.5px;
}
.about_course_month_right_ball {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #feca43;
  position: absolute;
  right: -58px;
  top: 50%;
  margin-top: -2.5px;
}
.about_course_month_left_ball {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #feca43;
  position: absolute;
  left: -58px;
  top: 50%;
  margin-top: -2.5px;
}
.about_course_month_right_con {
  width: 425px;
  line-height: 31px;
  font-size: 22px;
  color: #191919;
  position: absolute;
  left: 149px;
  top: 0;
  text-align: left;
}
.about_course_month_left_con {
  width: 425px;
  line-height: 31px;
  font-size: 22px;
  color: #191919;
  position: absolute;
  left: -491px;
  top: 0;
  text-align: right;
}
.about_course_btn {
  width: 230px;
  height: 60px;
  line-height: 60px;
  text-align: left;
  text-indent: 78px;
  margin: 0 auto;
  box-sizing: border-box;
  font-size: 26px;
  color: #4c4c4c;
  border: 1px solid #cfcfcf;
  border-radius: 30px;
  cursor: pointer;
}
.about_course_btn.put_away {
  display: none;
  margin: 77px auto 0 auto;
  background: url(https://5wash-web.oss-cn-shenzhen.aliyuncs.com/official-website/images/about_us/about_course_btn_put_away.png) no-repeat;
  background-size: 17px 16px;
  background-position: 138px center;
}
.about_course_btn.unfold {
  display: block;
  background: url(https://5wash-web.oss-cn-shenzhen.aliyuncs.com/official-website/images/about_us/about_course_btn_unfold.png) no-repeat;
  background-size: 17px 16px;
  background-position: 138px center;
}
@media (max-width: 994px) {
  .about_wash_title {
    font-family: 'Microsoft Yahei';
    line-height: 0.9rem;
    margin-top: 1.09rem;
    font-size: 0.52rem;
  }
  .about_wash_title_icon {
    width: 0.5rem;
    height: 0.06rem;
  }
  .container {
    max-width: 100%!important;
  }
  .about_wash_desc {
    line-height: 0.48rem;
    margin-top: 0.35rem;
    font-size: 0.32rem;
  }
  .about_wash_desc2 {
    line-height: 0.48rem;
    font-size: 0.32rem;
    margin-top: 0.48rem;
  }
  .about_onvenient {
    padding-top: 0.68rem;
  }
  .about_onvenient_title {
    line-height: 0.84rem;
    font-size: 0.46rem;
  }
  .about_onvenient_title_icon {
    width: 0.5rem;
    height: 0.06rem;
  }
  .about_onvenient_desc {
    line-height: 0.48rem;
    margin-top: 0.35rem;
    font-size: 0.32rem;
  }
  .about_onvenient_ul {
    width: 8.76rem;
    margin: 1.05rem auto 0 auto;
  }
  .about_onvenient_li {
    width: 4.38rem;
    margin-bottom: 0.48rem;
  }
  .about_onvenient_img {
    width: 1.32rem;
  }
  .about_onvenient_name {
    padding-top: 0;
    line-height: 1.28rem;
    font-size: 0.38rem;
  }
  .about_innovation_title {
    padding-top: 0.48rem;
    line-height: 0.9rem;
    font-size: 0.52rem;
  }
  .about_innovation_title_icon {
    width: 0.5rem;
    height: 0.06rem;
  }
  .about_innovation_ul {
    width: 9.56rem;
    margin: 0.4rem auto 0 auto;
  }
  .about_innovation_li {
    width: 4.38rem;
    height: 3.8rem;
    border-radius: 0.14rem;
    margin: 0 0.2rem 0.4rem 0.2rem;
    padding-top: 0.59rem;
  }
  .about_innovation_li_img {
    width: 1.46rem;
    height: 1.41rem;
  }
  .about_innovation_li_title {
    padding-top: 0.21rem;
    line-height: 0.6rem;
    font-size: 0.38rem;
  }
  .about_innovation_li_desc {
    line-height: 0.6rem;
    font-size: 0.3rem;
  }
  .about_innovation_li_p {
    display: none;
  }
  .about_advantage {
    padding-top: 0.4rem;
  }
  .about_advantage_title {
    line-height: 0.88rem;
    font-size: 0.52rem;
  }
  .about_advantage_title_icon {
    width: 0.5rem;
    height: 0.06rem;
  }
  .about_advantage_ul.pc {
    display: none;
  }
  .about_advantage_ul.mobile {
    display: block;
  }
  .about_advantage_ul {
    width: 10.02rem;
    padding: 0;
    margin: 0.36rem auto 0 auto;
  }
  .about_advantage_li {
    width: 3.26rem;
    height: 1.66rem;
    margin: 0.04rem;
    padding: 0.25rem 0.33rem 0 0.33rem;
  }
  .about_advantage_li_title {
    font-size: 0.31rem;
    line-height: 0.48rem;
  }
  .about_advantage_li_desc {
    font-size: 0.2rem;
    line-height: 0.3rem;
  }
  .about_advantage_li.img {
    padding: 0;
  }
  .about_course {
    padding-top: 0.99rem;
    padding-bottom: 1.98rem;
  }
  .about_course_title {
    line-height: 0.9rem;
    font-size: 0.52rem;
  }
  .about_course_title_icon {
    width: 0.5rem;
    height: 0.06rem;
  }
  .about_course_con {
    margin-top: 0.56rem;
  }
  .about_course_con {
    height: 10.59rem;
  }
  .about_course_con.act {
    height: 30.75rem;
  }
  .about_course_years {
    width: 3rem;
    height: 0.8rem;
    line-height: 0.8rem;
    border-radius: 0.4rem;
    margin-left: -1.5rem;
    font-size: 0.38rem;
  }
  .about_course_month {
    width: 1.4rem;
    height: 0.5rem;
    line-height: 0.5rem;
    margin-left: -0.7rem;
  }
  .about_course_month_title {
    width: 1.4rem;
    height: 0.5rem;
    line-height: 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.34rem;
  }
  .about_course_month_right_line {
    width: 0.57rem;
    right: -0.57rem;
  }
  .about_course_month_right_ball {
    width: 0.09rem;
    height: 0.09rem;
    right: -0.66rem;
    margin-top: -0.045rem;
  }
  .about_course_month_right_con {
    width: 3.5rem;
    left: 2.26rem;
    font-size: 0.38rem;
    line-height: 0.58rem;
  }
  .about_course_month_left_line {
    width: 0.58rem;
    left: -0.58rem;
  }
  .about_course_month_left_ball {
    width: 0.09rem;
    height: 0.09rem;
    margin-top: -0.045rem;
    left: -0.66rem;
  }
  .about_course_month_left_con {
    width: 3.5rem;
    left: -4.16rem;
    font-size: 0.38rem;
    line-height: 0.58rem;
    box-sizing: border-box;
    padding-right: 0.18rem;
  }
  .about_course_btn {
    width: 3rem;
    height: 0.8rem;
    line-height: 0.8rem;
    text-indent: 0.96rem;
    font-size: 0.38rem;
  }
  .about_course_btn.unfold {
    background: url(https://5wash-web.oss-cn-shenzhen.aliyuncs.com/official-website/images/about_us/about_course_btn_unfold.png) no-repeat;
    background-size: 0.24rem 0.23rem;
    background-position: 1.82rem center;
  }
  .about_course_btn.put_away {
    background: url(https://5wash-web.oss-cn-shenzhen.aliyuncs.com/official-website/images/about_us/about_course_btn_put_away.png) no-repeat;
    background-size: 0.24rem 0.23rem;
    background-position: 1.82rem center;
  }
  .about_course_month.m_2021_9 {
    top: 1.61rem;
  }
  .about_course_month.m_2021_6 {
    top: 2.85rem;
  }
  .about_course_years.y_2020 {
    top: 4.69rem;
  }
  .about_course_month.m_2020_10 {
    top: 6.28rem;
  }
  .about_course_month.m_2020_6 {
    top: 7.52rem;
  }
  .about_course_month.m_2020_4 {
    top: 8.75rem;
  }
  .about_course_years.y_2019 {
    top: 10.59rem;
  }
  .about_course_month.m_2019_9 {
    top: 12.2rem;
  }
  .about_course_month.m_2019_6 {
    top: 13.44rem;
  }
  .about_course_month.m_2019_5 {
    top: 14.69rem;
  }
  .about_course_month.m_2019_3 {
    top: 15.93rem;
  }
  .about_course_month.m_2019_1 {
    top: 17.17rem;
  }
  .about_course_years.y_2018 {
    top: 19.03rem;
  }
  .about_course_month.m_2018_11 {
    top: 20.6rem;
  }
  .about_course_month.m_2018_10 {
    top: 21.84rem;
  }
  .about_course_month.m_2018_9 {
    top: 23.09rem;
  }
  .about_course_month.m_2018_4 {
    top: 24.33rem;
  }
  .about_course_month.m_2018_3 {
    top: 25.58rem;
  }
  .about_course_years.y_2017 {
    top: 27.36rem;
  }
  .about_course_month.m_2017_11 {
    top: 29.01rem;
  }
  .about_course_month.m_2017_3 {
    top: 30.25rem;
  }
}
@media (max-width: 767px) {
  .about_banner {
    margin-top: 71px;
  }
  .about_banner.mobile {
    display: block;
  }
  .about_banner.pc {
    display: none;
  }
}