.container_ey {
  /* width: 100%; */
  font-family: 'SourceHanSansCN-Light';
}
/* 第一部分 */
.part1{
  width: 100%;
  max-height: 1014px;
  overflow: hidden;
}
.part1 img {
  width: 100%;
}
.part1 .part1_content{
  width: 100%;
  position: relative;
}
.part1 .part1_content p{
  font-size: 32px;
  width: 100%;
  margin-bottom: 0;
}
.part1 .part1-title {
  position: absolute;
  top: 42%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.part1 .part1-title img {
  width: 416px;
  margin-right: 300px;
}
@media screen and (max-width: 1600px){
  .part1 .part1-title img {
    width: 330px;
    margin-right: 240px;
  }
  .part1 .part1-title {
    top:300px;
  }
}
.part1 .part1-tip {
  position: absolute;
  bottom: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.part1 .part1-tip img {
  width: 325px;
}
/* 第二部分 */
.part2{
  width: 100%;
  max-height: 883px;
  margin: 0 auto;
  background: #fff;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  flex-direction: column;
  position: relative;
  /* background: url(./img/part2_bg.png) no-repeat top center/cover; */
}
.part2 .details {
  position: absolute;
  top: 270px;
  left:0;
  width: 100%;
}
.part2 p {
  width: 100%;
  text-align: center;
  font-size: 16px;
  line-height: 35px;
}
.part2 .part2-tip {
  font-size: 12px;
  position: absolute;
  bottom: 80px;
  width: 600px;
  right: 12%;
}

.part2 .part2-title {
  position: absolute;
  width: 100%;
  top: 110px;
  left:0;
  display: flex;
  align-items: center;
  justify-content: center;
}
@media screen and (max-width: 1600px){
  .part2 .part2-title img {
    width: 330px;
  }
  .part2 .part2-title {
    top :140px
  }
}
/* 第三部分 */
.part3{
  width: 100%;
}
.part3 .main {
  width: 1200px;
  margin: 0 auto;
}
.part3 .main .img1 {
  width: 486px;
  margin-top:180px;
  margin-bottom: 124px
}

.part3 .main .img2 {
  width: 239px;
}
.part3 .mian .img3 {
  width: 656px;
}
.part3 .content {
  margin-top: 50px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
}
.part3 .left{
  float: left;
  display: flex;
  justify-content: center;
  flex-direction: column;
}
.part3 .part3-content {
  width: 50%;
  height: 175px;
  display: flex;
  align-items: flex-start;
  margin-bottom: 50px;
}
.part3 .part3-content span {
  display: block;
  font-size: 14px;
  line-height: 30px;
}
.part3 .part3-content .title{
  width: 346px;
  font-size: 20px;
  color: #6BC5EF;
  line-height: 30px;
  margin-bottom: 20px;
  font-weight: 700;
  padding-top: 35px;
}
.part3 .left .details{
  font-size: 16px;
  line-height: 35px;
  color: #595757;
}
.part3 .left .detail2{
  margin-top: 60px;
  display: flex;
  width: 100%;
}
.part3 .left .detail2 .time_logo{
  width: 225px;
  height: 200px;
  /* background: url(./img/part2_time.png) no-repeat center/contain; */
}
.part3 .left .detail2 .detail2_r{
  font-size: 16px;
  line-height: 25px;
  flex: 1;
  color: #595757;
}
.part3 .left .detail2 .detail2_r p:last-child{
  margin-top: 50px;
}
.part3 .right{
  float: right;
}
.part3 .right .teeth{
  width: 600px;
  height: 500px;
  background: url(./img/part2_teeth.png) no-repeat center/contain;
}
.part3 .right .right_jixi{
  display: flex;
  justify-content: center;
  color: #000;
  font-size: 20px;
}
.part3 .right .right_jixi .jxi{
  display: flex;
  align-items: center;
  margin-right:30px ;
  font-family: 'SunmanPUA';
}
.part3 .right .right_jixi  span{
  margin-right: 20px;
  display: inline-block;
  width: 20px;
  height: 20px;
  background:#EEEDA6 ;
}
.part3 .right .right_jixi .jxi2 span{
  background: #C27B88;
}
.part3 .part3-tip {
  position: absolute;
  bottom: 71px;
  left: 417px;
  font-size: 12px;
}

@media screen and (max-width: 1600px){
  .part3 .main .img1 {
    width: 330px;
    margin-top: 100px;
    margin-bottom: 80px;
  }
  .part3 .main .img2 {
    width: 180px;
  }
  .part3 .main .img3 {
    width: 500px;
  }
  .part3 .part3-tip {
    position: absolute;
    bottom: 58px;
    left: 300px;
    font-size: 12px;
  }
}
/* 第四部分 */
.part4{
  min-width: 1200px;
  height: 841px;
  overflow: hidden;
  margin: 0 auto;
  background: url(./img/part4_bg.png) no-repeat center/cover;
}
.part4 .title1{
  font-family: 'Special-Font';
  font-size: 42px;
  color: #6BC5EF;
  text-align: center;
  padding-top: 150px;
}
.part4 .teeth_imgs{
  width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}
.part4 .teeth_imgs li{
  display: flex;
  width: 410px;
  align-items: center;
  margin-top: 80px;
}
.part4 .teeth_imgs li .showImg{
  width: 171px;
  height: 171px;
}
.part4 .teeth_imgs li .showImg img{
  /* width: 100%; */
  height: 100%;
}
.part4 .teeth_imgs li .tip{
  flex: 1;
  margin-left: 20px;
  height: 100%;
  padding-top: 35px;
}
.part4 .teeth_imgs li .tip .p1_title{
  font-family: 'SourceHanSansCN-Bold';
  margin-bottom: 10px;
  font-size: 20px;
  color: #f27474;
  font-weight: 700;
}
.part4 .teeth_imgs li .tip p{
  font-size: 16px;
  color: #595757;
  line-height: 30px;
}
.part4 .title2{
  font-family: 'Special-Font';
  font-size: 42px;
  color: #6BC5EF;
  text-align: center;
  margin-top: 120px;
}
.part4 .title2_s{
  font-size: 24px;
  color: #231815;
  text-align: center;
  margin-top: 20px;
}
.part4 .heads{
  width: 100%;
  display: flex;
  margin-top: 100px;
}
.part4 .heads li{
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  position: relative;
}
.part4 .heads li .lines{
  position: absolute;
  top: 50%;
  right: -3.5px;
  transform: translateY(-50%);
  height: 300px;
  width: 7px;
  background: url(./img/lines.png) no-repeat center/contain;
}
.part4 .heads li .img{
  width: 224px;
  height: 274px;
}
.part4 .heads li .img img{
  width: 100%;
  height: 100%;
}
.part4 .heads li p{
  font-size: 18px;
  color: #231815;
  text-align: center;
}
.part4 .heads li .p1_title{
  font-size: 20px;
  color: #6BC5EF;
  text-align: center;
  margin-top: 20px;
  margin-bottom: 8px;
}
.part4 .heads li .bottom_part{
  margin-top: 70px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-around;
}
.part4 .heads li .bottom_part .teeth_show{
  display: flex;
  flex-direction: column;
  align-items: center;
}
.part4 .heads li .bottom_part .teeth_show img{
  width: 140px;
  height: 50px;
}
.part4 .heads li .bottom_part .teeth_show span{
  font-size: 16px;
  color: #585858;
  margin-top: 20px;
}
.part4 .hr_lines{
  margin-top: 100px;
  width: 100%;
  height: 3px;
  background: url(./img/hr_line.png) no-repeat center/contain;
}
.part4 .part4_bottom{
  width: 100%;
  margin-top: 80px;
  display: flex;
  align-items: flex-end;
}
.part4 .part4_bottom .introduce{
  flex: 1;
}
.part4 .part4_bottom .introduce .title{
  width: 274px;
  height: 84px;
  background: url(./img/part4_title2.png) no-repeat center/contain;
}
.part4 .part4_bottom .introduce p {
  font-size: 16px;
  line-height: 32px;
  color: #595757;
  margin-top: 60px;
  margin-bottom: 50px;
}
.part4 .part4_bottom .introduce .imgs{
  display: flex;
  justify-content: space-between;
}
.part4 .part4_bottom .introduce .imgs .label{
  width: 122px;
  height: 122px;
}
.part4 .part4_bottom .introduce .imgs .label img{
  width: 100%;
  height: 100%;
}
.part4 .part4_bottom .gif{
  width: 530px;
  height: 400px;
  margin-left: 30px;
}
.part4 .part4_bottom .gif img{
  width: 100%;
  height: 100%;
}