.banner {
  width: 100%;
  height: 384px;
  overflow: hidden;
  position: relative;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: center;
      justify-content: center;
  -ms-flex-align: center;
      align-items: center;
  -ms-flex-direction: column;
      flex-direction: column;
}
.banner img {
  position: absolute;
  display: block;
  min-height: 100%;
  min-width: 100%;
}
.banner b, .banner span {
  position: relative;
  z-index: 1;
  color: #ffffff;
  font-size: 18px;
}
.banner b {
  display: none;
  font-size: 60px;
  font-family: YouSheBiaoTiHei;
  margin-bottom: 30px;
}
.part1-mod {
  background: url(../img/img_pinpai@2x-a58af4bf.png) repeat-x center;
  background-size: auto 100%;
  padding-bottom: 100px;
}
.part1-mod .tip {
  color: #666;
  line-height: 22px;
}
.part1-mod img {
  width: 717px;
  display: block;
  margin: 53px auto;
}
.part2-mod ul {
  padding-bottom: 88px;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: distribute;
      justify-content: space-around;
}
.part2-mod ul li {
  list-style: none;
  width: 191px;
}
.part2-mod ul li img {
  display: block;
  width: 100%;
}
.part3-mod {
  background-color: #fafafa;
  padding-bottom: 100px;
}
.part3-mod .wrapper {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: justify;
      justify-content: space-between;
  -ms-flex-align: center;
      align-items: center;
}
.part3-mod .mod-hd {
  -ms-flex-direction: column;
      flex-direction: column;
  -ms-flex-align: start;
      align-items: flex-start;
}
.part3-mod .mod-hd p {
  font-size: 14px;
  width: 410px;
  line-height: 36px;
  color: #666666;
  margin-top: 54px;
}
.part3-mod img {
  width: 545px;
  display: block;
}
@media screen and (max-width: 1000px) {
  .banner {
    width: 100%;
    height: 2.44rem /* 183/75 */;
  }
  .banner img {
    min-width: auto;
    min-height: auto;
    width: 100%;
  }
  .part1-mod {
    padding-bottom: 0.533333rem /* 40/75 */;
  }
  .part1-mod img {
    display: none;
  }
  .part2-mod ul {
    padding-bottom: 1rem /* 75/75 */;
  }
  .part3-mod {
    padding-bottom: 0.4rem /* 30/75 */;
  }
  .part3-mod .wrapper {
    -ms-flex-direction: column;
        flex-direction: column;
  }
  .part3-mod .mod-hd {
    -ms-flex-direction: column;
        flex-direction: column;
    -ms-flex-align: start;
        align-items: flex-start;
  }
  .part3-mod .mod-hd p {
    font-size: 0.293333rem /* 22/75 */;
    width: auto;
    line-height: 0.533333rem /* 40/75 */;
    margin-top: 0.4rem /* 30/75 */;
  }
  .part3-mod img {
    width: 7.266667rem /* 545/75 */;
  }
}