@media screen and (min-width: 900px) {
  .box1 {
    padding: 20px 40px 30px 40px;
    background-color: #fff;
    width: 1200px;
    margin: 0 auto;
    margin-bottom: 20px;
  }
  .box1 .tit-box {
    height: 65px;
    border-bottom: 1px solid #ddd;
  }
  .box1 .tit-box h1 {
    font-size: 22px;
    color: #333;
    font-weight: bold;
    line-height: 64px;
  }
  .box1 .word-box {
    padding-top: 30px;
  }
  .box1 .word-box img {
    width: 100%;
    margin-bottom: 30px;
  }
  .box1 .word-box h1 {
    font-size: 20px;
    color: #333;
    font-weight: bold;
    line-height: 32px;
    margin-bottom: 10px;
    text-align: center;
  }
  .box1 .word-box h2 {
    font-size: 14px;
    color: #333;
    font-weight: bold;
    line-height: 24px;
    margin-bottom: 20px;
    text-align: center;
  }
  .box1 .word-box p {
    font-size: 14px;
    color: #666;
    line-height: 22px;
    margin-bottom: 6px;
  }
}
@media screen and (max-width: 899px) {
  .box1 {
    width: 7.2rem;
    margin: 0 auto;
    padding: .2rem;
    background-color: #fff;
    margin-bottom: .2rem;
    margin-top: .1rem;
  }
  .box1 .tit-box {
    height: .6rem;
    margin-bottom: .2rem;
    border-bottom: 1px solid #ddd;
  }
  .box1 .tit-box h1 {
    font-size: .26rem;
    color: #333;
    font-weight: bold;
    line-height: .6rem;
  }
  .box1 .word-box {
    padding-top: .2rem;
  }
  .box1 .word-box img {
    width: 100%;
    margin-bottom: .2rem;
  }
  .box1 .word-box h1 {
    font-size: .3rem;
    color: #333;
    font-weight: bold;
    line-height: .5rem;
    margin-bottom: .1rem;
    text-align: center;
  }
  .box1 .word-box h2 {
    font-size: .24rem;
    color: #333;
    font-weight: bold;
    line-height: .45rem;
    margin-bottom: .2rem;
    text-align: center;
  }
  .box1 .word-box p {
    font-size: .24rem;
    color: #666;
    line-height: .4rem;
    margin-bottom: .1rem;
  }
}