html {
  font-size: 20px;
}

.container_s10 img {
  width: 100%;
}

.container_s10 .part1 {
  width: 100%;
  height: 18.5rem;
  position: relative;
  background: url(../img/bg_banner.png) no-repeat center 1.2rem/cover;
}

.container_s10 .part1 .img {
  position: absolute;
  width: 16rem;
  height: 3rem;
  left: 8%;
  right: 0;
  bottom: 0;
  top: 2.2rem;
  margin: auto;
}

.container_s10 .part2 {
  padding-bottom: 2rem;
}

.container_s10 .part2 .title {
  text-align: center;
  color: #188FCF;
  font-size: 1rem;
  margin-top: 2rem;
  margin-bottom: 1.2rem;
}

.container_s10 .part2 p {
  font-size: .7rem;
  line-height: .9rem;
  color: #595757;
  padding: 0 .97rem;
}

.container_s10 .part3 {
  width: 100%;
  height: 18rem;
  overflow: hidden;
  background: url(../img/bg_teeth.png) no-repeat center/cover;
}

.container_s10 .part3 ul {
  width: 100%;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding: 2rem 1rem 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

.container_s10 .part3 ul li {
  width: 8rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.container_s10 .part3 ul li .title {
  font-size: .7rem;
  color: #fff;
  line-height: .8rem;
}

.container_s10 .part3 ul li .title span {
  font-size: 1.2rem;
  font-weight: bold;
  color: #188FCF;
  margin-right: .2rem;
}

.container_s10 .part3 ul li p {
  font-size: .6rem;
  color: #fff;
  line-height: .8rem;
  margin-top: .5rem;
  height: 8rem;
}

.container_s10 .part3 ul li .teeth {
  width: 6rem;
  height: 4rem;
  margin-top: .2rem;
}

.container_s10 .part4 {
  padding-bottom: 3rem;
}

.container_s10 .part4 .title {
  font-size: 1rem;
  color: #188FCF;
  margin: 2rem 0;
  text-align: center;
}

.container_s10 .part4 .pic {
  width: 90%;
  height: 10rem;
  margin: 0 auto;
}

.container_s10 .part4 .pic video {
  width: 100%;
  height: 100%;
}