@media screen and (min-width: 1025px) {
  .container {
    width: 1400px;
    margin: 0 auto;
  }
  body {
    background-color: #F5F5F5;
  }
  .title {
    width: 100%;
    font-weight: 700;
    font-size: 30px;
    text-align: center;
    height: 40px;
    line-height: 40px;
  }
  .pull {
    background: url("../image/a4.jpg");
    background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
    background-position: top center;
  }
  .banner {
    overflow: hidden;
    height: 490px;
    width: 100%;
    background: url("../image/a4.jpg");
    background-size: 100% 100%;
    background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
    background-position: center 0;
  }
  .banner .container {
    overflow: hidden;
    height: 490px;
  }
  .banner .contain {
    animation: scaleBig 1s linear 1;
    margin-top: 100px;
    margin-left: 20px;
    width: 650px;
    color: white;
  }
  .banner .contain > :nth-child(1) {
    font-size: 40px;
  }
  .banner .contain > :nth-child(2) {
    margin-top: 20px;
    font-size: 20px;
  }
  .banner .contain > :nth-child(3) {
    margin-top: 20px;
    font-size: 14px;
    line-height: 26px;
  }
  .serve {
    margin-top: 80px;
  }
  .serve .content {
    margin-top: 50px;
    height: 525px;
    width: 100%;
    background-color: white;
  }
  .serve .content .left {
    float: left;
    width: 50%;
    height: 100%;
  }
  .serve .content .left .first {
    margin-left: 60px;
    margin-top: 60px;
    font-size: 24px;
    font-weight: 700;
  }
  .serve .content .left .second {
    margin-top: 20px;
    margin-left: 60px;
    font-size: 16px;
  }
  .serve .content .left .third {
    width: 16px;
    height: 2px;
    margin-left: 60px;
    margin-top: 50px;
    background-color: #666666;
  }
  .serve .content .left .fours {
    margin-top: 44px;
    margin-left: 60px;
    width: 540px;
    font-size: 16px;
    line-height: 30px;
  }
  .serve .content .right {
    float: left;
    width: 50%;
    height: 100%;
    overflow: hidden;
  }
  .serve .content .right img {
    width: 100%;
    height: 100%;
    transition: transform 0.3s linear;
  }
  .serve .content .right:hover img {
    transform: scale(1.1);
  }
}
@media screen and (max-width: 1025px) {
  body {
    width: 10rem;
    overflow: hidden;
    background-color: #F5F5F5;
  }
  .container {
    width: 10rem;
  }
  .banner {
    height: 7.5135rem;
    width: 100%;
    overflow: hidden;
    background: url("../image/a4.jpg");
    background-size: 100% 100%;
    background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
    background-position: center 0;
    margin-top: 1.3514rem;
  }
  .banner .contain {
    animation: scaleBig 1s linear 1;
    color: white;
    margin-top: 1.0811rem;
    margin-left: 0.5405rem;
    width: 8.6486rem;
  }
  .banner .contain > :nth-child(1) {
    font-size: 0.5405rem;
  }
  .banner .contain > :nth-child(2) {
    margin-top: 0.2703rem;
    font-size: 0.3784rem;
  }
  .banner .contain > :nth-child(3) {
    margin-top: 0.2703rem;
    line-height: 0.6486rem;
    font-size: 0.3243rem;
  }
  .title {
    width: 100%;
    text-align: center;
    font-weight: 700;
    font-size: 0.4324rem;
    height: 0.5405rem;
    line-height: 0.5405rem;
  }
  .serve {
    width: 100%;
    margin-top: 1.3514rem;
  }
  .serve .content {
    margin: 0 auto;
    background-color: #fff;
    margin-top: 0.5405rem;
    width: 9.1892rem;
    height: 12.4324rem;
    position: relative;
  }
  .serve .content .left {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0.2703rem 0;
    height: 4.973rem;
  }
  .serve .content .left .first {
    margin-left: 0.2703rem;
    font-size: 0.3784rem;
    font-weight: 700;
  }
  .serve .content .left .second {
    margin-left: 0.2703rem;
    margin-top: 0.2703rem;
    font-size: 0.3243rem;
  }
  .serve .content .left .third {
    margin-left: 0.2703rem;
    margin-top: 0.2703rem;
    width: 0.2703rem;
    height: 0.0541rem;
    background-color: #666666;
  }
  .serve .content .left .fours {
    font-size: 0.3243rem;
    margin-left: 0.2703rem;
    margin-right: 0.2703rem;
    margin-top: 0.2703rem;
    line-height: 0.6486rem;
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
  }
  .serve .content .right {
    position: absolute;
    top: 0;
    width: 100%;
    height: 6.9189rem;
    transition: transform 0.3s linear;
    overflow: hidden;
  }
  .serve .content .right img {
    width: 100%;
    height: 100%;
  }
  .serve .content .right:hover img {
    transform: scale(1.1);
  }
}