/* 响应式媒体查询 */
@media (max-width: 1200px) {
  .five-text {
    width: 80%;
  }

  .five-video {
    width: 80%;
  }

  .four-details {
    gap: 1.875rem;
  }

  .intro-text {
    width: 100%;
  }
  .four-back{
    width: 100%;
  }
  .four-details-two {
  margin-left: 0;


}
.main-four .right-title {
  font-size: 50px;

}

.main-four .right-text {
  font-size: 10px;
}
.main-four .right-box {
  margin-top: 35px;
}

}

@media (max-width: 992px) {
  .main-one-details .one-pic {
    width: 100%;
  }

  .one-pic {
    width: 100%;
  }

  .two-pic {
    width: 100%;
  }

  .three-pic {
    width: 100%;
  }

  .six-left {
    width: 100%;
  }

  .six-right {
    width: 100%;
  }

  .six-text {
    width: 100%;
  }

  .four-left {
    width: 100%;
  }
  .six-left{
    width: 80%;
    height: auto;
  }
  .six-left-out{
    width: 80%;
    height: auto;
  }
  .six-details{
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0;
    gap: 0;
    top: 3.125rem;
  }
  .main-six {
    padding-bottom: 3.125rem;
  }


}


@media (max-width: 768px) {
  .main-one .main-one-details{
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: .625rem;
    align-items: center;
    padding: .625rem;

  }
  .main-one .main-one-details .one-pic{
    width: 80%;
  }


  .web-title {
    font-size: 2.5rem;
  }
  .six-left{
    width: 80%;
    height: auto;
  }
  .six-left-out{
    width: 80%;
    height: auto;
  }
  .six-details{
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0;
    gap: 0;
    top: 3.125rem;
  }
  .main-six {
    padding-bottom: 3.125rem;
  }
  .four-left{
    padding: 10px;
  }
  .four-details-two{
    width: 80%;
    margin-left: 0;
    padding: 15px;
  }
  .four-details{
    top: 50px;
  }
.main-four .right-box{
  margin-top: 30px;
}
.main-six {
  padding-bottom: 30px;
  height: 100vh;
}
}

@media (max-width: 480px) {

  .web-title {
    font-size: 1.875rem;
  }

  .main-title {
    font-size: 35px;
  }

  .nav-detail {
    max-width: 100px;
  }

  .icon-nav {
    gap: 4.375rem;
  }

  .main-one {
    padding-top: 45px;
  }

  .main-one .one-pic {
    width: 80%;
  }
    .main-one  .intro{
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
    }

  .main-one-details {
    gap: .625rem;
  }

  .main-one .intro-title {
    text-align: center;
    width: 100%;
    font-size: 35px;
  }

  .main-one .intro-text {
    padding: 20px;
    text-align: center;
    margin-top: 0;
    padding: 10px;
  }

  .main-two {
    padding-top: 50px;
      margin-top: 80px;
  }

  .main-two .intro-title {
    text-align: center;
    width: 90%;
    height: auto;
    font-size: 35px;
  }
      .main-two  .intro{
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
    }
    .main-two .intro-text {
    padding: 20px;
    text-align: center;
    margin-top: 0;
  }
  
  .main-two-details {
    gap: .625rem;
  }
   .main-two .two-pic {
    width: 80%;
  }
    .main-three {
    padding-top: 50px;
    padding-left: 10px;
    padding-bottom: 50px;
  }
        .main-three  .intro{
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
    }
    .main-three .intro-title {
    text-align: center;
    width: 90%;
    height: auto;
    font-size: 35px;
  }
      .main-three .intro-text {
    padding: 20px;
    text-align: center;
    margin-top: 0;
  }
    .main-three-details {
    gap: .625rem;
  }
     .main-three .three-pic {
    width: 80%;
  }
  .main-four .four-left{
    width: 90%;
  }
  .right-box .right-title{
    font-size: 3.125rem;
  }
      .main-five {
    padding-top: 50px;
      padding-bottom: 0px;
  }
  .main-five  .five-title{
        text-align: center;
    width: 90%;
    height: auto;
  }
        .main-six {
           padding-top: 50px;
    margin-top: 50px;
      padding-bottom: 100px;
      background-color: #fff;
  }
  .main-six .six-left{
    width: 80%;
    height: auto;
  } 
  .six-details{
    gap: 1.25rem;
  }
 .six-right{
    padding: .9375rem;
 }
 .six-right img{
  height: 6.25rem;
  width: auto;
 }
 .six-text{
  text-align: center;
  padding-top: .625rem;
 }
 .one-back{
  left: 10%;
  width: 70%;
 }
 .three-back{
  width: 70%;
  left: 10%;
  top: 20%;
 }
.main-four .right-title {
  height: auto;
  font-size: 50px;
  font-family: Microsoft YaHei, Microsoft YaHei-Bold;
  font-weight: 700;
  text-align: center;
  color: #ffffff;
}

.main-four .right-text {
  height: auto;
  font-size: 10px;
  font-family: Microsoft YaHei, Microsoft YaHei-Regular;
  font-weight: 400;
  text-align: left;
  color: #ffffff;
  margin-top: 9px;
}
.main-four .right-box{
  margin-top: 15px;
}
.four-two-title {
  font-size: 18px;

}

.four-two-text {
  font-size: 10px;

}

}