body{
  background: #fff;
}
img {
  max-width: 100%;
}
.safe_width2 {
  max-width: 1620px;
  width: 100%;
  padding: 0 30px;
  margin: 0 auto;
}
.img_pc {
  display: block;
}
.img_phone {
  display: none;
}
.science {
  /* padding-top: 3vw;
  padding-bottom: 3vw; */
  padding-bottom:10vw;
    background: url(../images/science/bg.png) no-repeat;
    background-position: bottom;
    background-size: 100% auto;
    overflow: hidden;
  position: relative;
}
.relative-box {
  padding-top: 5vw;
  padding-bottom: 3vw;
  width: 100%;
  height: 100%;
  /* position: absolute; */
  /* left: 0;
  top: 0; */
  display: flex;
  justify-content: center;
}
/* .absolute-box {
  position: absolute;
  left: 0;
  top: 101px;
} */

.bg-img {
  width: 100%;
  display: inline-block;
}
.bg-img img {
  width: 100%;
}
.science-flex {
  display: flex;
  align-items: center;
}
.science-left {
  width: 60%;
  /* flex: 1; */
  padding-right: 50px;
}
.science-right {
  width: 40%;
}
.science-left h3 {
  font-size: 40px;
  line-height: 60px;
}
.science-left h5 {
  font-size: 32px;
  line-height: 50px;
  margin-top: 10px;
  margin-bottom: 34px;
}
.science-left p {
  font-size: 16px;
  line-height: 35px;
}
.science-b {
  margin-top: 18vw;
  /* position: absolute; */
  /* bottom: 16vw; */
  /* left: 30px; */
}
.science-b h2 {
  font-weight: bold;
  font-size: 40px;
  color: #ffffff;
  line-height: 110px;
}
.science-b div {
  /* width: 50.6%; */
  font-size: 26px;
  color: #ffffff;
  line-height: 50px;
}
.science-bottom {
  padding-top: 5vw;
  padding-bottom: 3vw;
}
.science-item-box {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.science-item {
  /* flex: 1; */
  /* width: 48%; */
  display: flex;
  width: calc((100% - 91px) / 2);
  align-items: center;
  margin-bottom: 75px;
}
.science-item h2 {
  font-weight: bold;
  font-size: 36px;
  color: #070707;
  line-height: 66px;
}
.science-item p {
  font-size: 16px;
  color: #3d3d3d;
  line-height: 30px;
}
.science-item img {
  margin-right: 29px;
}
@media screen and (max-width: 1440px) {
  .science-left h3{
    font-size: 36px;
  }
  .science-b h2{
    font-size: 36px;
  }
  .temp_head h5 {
    font-size: 32px;
    line-height: 40px;
  }
  .temp_head p {
    font-size: 20px;
    line-height: 38px;
  }
  /* .science-right {
    display: none;
  } */
  /* .science-left {
    width: 100%;
  
    padding-right: 0;
  } */
  /*关于我们*/
  /* .about_other .about_three {
    padding: 90px 0 110px 0;
  }
  .about_other .about_three .two_desc .ln_desc {
    margin-top: 56px;
  }
  .about_other .about_three .two_desc .ln_desc .ln_item {
    width: calc((100% - 60px) / 4);
    border-radius: 0 0 30px 30px;
    padding: 40px 24px 0 24px;
    height: 440px;
  } */
}
@media screen and (max-width: 1366px) {
  /*关于我们*/
  .about_one .one_desc .one_desc_left {
    width: 37.5%;
    margin-top: -20px;
  }
  .about_one .one_desc .one_desc_left .left_word {
    margin-top: 10px;
    width: 100%;
  }
  .about_one .one_desc .one_desc_left .left_word p {
    font-size: 90px;
    line-height: 100px;
  }
  .about_one .one_desc .one_desc_left .left_word p:nth-child(2) {
    text-align: right;
  }
  .about_one .one_desc .one_desc_left .left_word p:nth-child(3) {
    text-align: center;
    padding-right: 20%;
  }
  /* .about_other .about_three .two_desc .ln_desc {
    margin-top: 56px;
  }
  .about_other .about_three .two_desc .ln_desc .ln_item {
    width: calc((100% - 45px) / 4);
    border-radius: 0 0 30px 30px;
    padding: 38px 24px 0 24px;
    height: 460px;
  } */
}
@media screen and (max-width: 1280px) {
  .science-item{
    width: 100%;
  }
  /*关于我们*/
  /* .about_other .about_two {
    padding-top: 86px;
  }
  .about_other .about_three {
    padding: 80px 0 90px 0;
  }
  .about_other .about_three .two_desc .ln_desc {
    margin-top: 50px;
  }
  .about_other .about_three .two_desc .ln_desc .ln_item {
    width: calc((100% - 45px) / 4);
    border-radius: 0 0 20px 20px;
    padding: 38px 20px 0 20px;
    height: 440px;
  }
  .about_other .about_three .two_desc .ln_desc .ln_item h5 {
    font-size: 26px;
    line-height: 36px;
  }
  .about_other .about_three .two_desc .ln_desc .ln_item p {
    margin-top: 14px;
    line-height: 28px;
    font-size: 16px;
  } */
}
@media screen and (max-width: 1024px) {
  
  .science-left h3{

  }
  .temp_head h5 {
    font-size: 30px;
    line-height: 40px;
  }
  .temp_head p {
    font-size: 18px;
    line-height: 38px;
  }
  /*关于我们*/
  .about_one {
    padding: 70px 0;
  }
  .about_one .one_desc {
    flex-direction: column;
  }
  .about_one .one_desc .one_desc_right {
    width: 100%;
    margin-top: 20px;
  }
  .about_one .one_desc .one_desc_left {
    width: 100%;
    margin-top: 0;
  }
  .about_one .one_desc .one_desc_left .left_word {
    margin-top: 20px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    flex-direction: normal;
    flex-wrap: wrap;
  }
  .about_one .one_desc .one_desc_left .left_word p {
    font-size: 100px;
    line-height: 110px;
  }
  .about_one .one_desc .one_desc_left .left_word p:nth-child(1) {
    width: 100%;
  }
  .about_one .one_desc .one_desc_left .left_word p:nth-child(2) {
    width: 50%;
    text-align: right;
  }
  .about_one .one_desc .one_desc_left .left_word p:nth-child(3) {
    width: 50%;
    text-align: center;
    padding-right: 20%;
  }
  .about_one .jianjie_data {
    margin-top: 50px;
  }
  .about_one .jianjie_data .data_item .number span {
    font-size: 68px;
    line-height: 70px;
  }
  .about_one .jianjie_data .data_item .number text {
    margin-left: 6px;
    font-size: 16px;
    line-height: 32px;
  }
  .about_one .jianjie_data .data_item .number text em {
    font-size: 16px;
    line-height: 20px;
    top: -38px;
  }
  .about_one .jianjie_data .data_item p {
    font-size: 16px;
    line-height: 28px;
    margin-top: 6px;
  }
  .about_other .about_two {
    padding-top: 76px;
  }
  .about_other .about_three {
    padding: 70px 0 80px 0;
  }
  .about_other .about_three .two_desc .ln_desc {
    margin-top: 26px;
    flex-wrap: wrap;
  }
  .about_other .about_three .two_desc .ln_desc .ln_item {
    width: calc((100% - 20px) / 2);
    border-radius: 0 0 20px 20px;
    padding: 38px 20px 0 20px;
    height: 320px;
    margin-top: 20px;
  }
  /* .about_other .about_three .two_desc .ln_desc .ln_item h5 {
    font-size: 26px;
    line-height: 36px;
  }
  .about_other .about_three .two_desc .ln_desc .ln_item p {
    margin-top: 14px;
    line-height: 28px;
    font-size: 16px;
  } */
}
@media screen and (max-width: 768px) {
  .science-left {
    width: 100%;
    padding-right: 0;
  }
  .science-right{
    display: none;
  }
  .science{
    padding-bottom: 1vw;
  }
  .science-b{
    /* margin-top: 20vw; */
  }
}
@media screen and (max-width: 767px) {
  .science {
    /* padding-top: 3vw;
    padding-bottom: 3vw; */
    /* padding-bottom:10vw; */
      background: url(../images/science/bg-p.jpg) no-repeat;
      background-position: bottom;
      background-size: 100% auto;
      overflow: hidden;
    position: relative;
  }
  .science-b{
    margin-top: 4.1rem;
  }
  .science-bottom{
    background:  #f8f8f8;
  }
  .relative-box {
    padding-top: 1.35rem;
    padding-bottom: 1.35rem;
  }
  .science-left {
    padding-right: 0;
  }
  /* .relative-box{
    position: relative;
   
 } */
  .science-flex {
    flex-direction: column;
  }
  .science {
    /* background-color: #f8f8f8; */
    /* background: url(../images/science/bg-p.jpg) no-repeat;
    background-position: top;
    background-size: cover;
    overflow: hidden; */
  }
  .science-right {
    display: block;
    width: 100%;
    margin-top: 1.12rem;
  }
  .science-right img {
    /* display: block; */
    width: 100%;
  }
  .science-left h3 {
    font-size: 1.2rem;
    line-height: unset;
  }
  .science-left h5 {
    margin-top: 0.6rem;
    font-size: 0.75rem;
    line-height: unset;
    margin-bottom: 0.79rem;
  }
  .science-left p {
    font-size: 0.6rem;
    line-height: 1rem;
    letter-spacing: 0.06rem;
  }

  .science-item {
    width: 100%;
    flex-direction: column;
    background-color: #fff;
    margin-bottom: 1.2rem;
    padding: 0.6rem 0.5rem 0.8rem 0.5rem;
  }
  .science-item img {
    margin-right: 0;
    width: 100%;

  }
  /* .safe_width2 {
    padding: 0;
  } */
  .img_pc {
    display: none;
  }
  .img_phone {
    display: block;
  }
  .science-b h2 {
    font-size: 1.2rem;
  }
  .science-b div {
    font-size: 0.75rem;
    line-height: 1.2rem;
  }
  .science-bottom {
    margin-top: 2.3rem;
  }
  .science-item h2 {
    font-size: 0.75rem;
    line-height: 2rem;
    margin-top: 0.8rem;
  }
  .science-item p{
    line-height: 1.2rem;
  }
  /* .science-b{
        position: relative;
    } */
}