.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-color: #F3F4F5;
}
.part1-mod .bg {
  position: relative;
  top: -60px;
}
.part1-mod dl {
  position: absolute;
  top: 123px;
  left: 0;
  bottom: 0;
  right: 0;
  display: -ms-flexbox;
  display: flex;
}
.part1-mod dl dt {
  font-size: 32px;
  font-family: PingFangSC-Semibold;
  line-height: 45px;
  color: #000000;
  width: 440px;
  padding-left: 52px;
  box-sizing: border-box;
}
.part1-mod dl dd {
  -ms-flex: 1;
      flex: 1;
  line-height: 30px;
  color: #FFFFFF;
  padding-right: 42px;
  box-sizing: border-box;
  text-align: right;
}
.part1-mod dl dd h3 {
  font-size: 26px;
  font-family: PingFangSC-Semibold;
  color: #ffffff;
}
.part1-mod dl dd .m-desc {
  display: none;
}
.part2-mod {
  padding-bottom: 75px;
}
.part2-mod .tip {
  margin-bottom: 43px;
  color: #666666;
}
.part2-mod ul {
  display: -ms-flexbox;
  display: flex;
}
.part2-mod ul li {
  -ms-flex: 1;
      flex: 1;
  list-style: none;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-direction: column;
      flex-direction: column;
  -ms-flex-pack: center;
      justify-content: center;
  -ms-flex-align: center;
      align-items: center;
  position: relative;
}
.part2-mod ul li p {
  font-size: 20px;
  font-family: PingFangSC-Semibold;
  line-height: 28px;
  margin: 16px 0;
}
.part2-mod ul li img {
  width: 218px;
}
.part3-mod {
  padding-bottom: 80px;
  background-color: #FAFAFA;
}
.part3-mod .ifs {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: justify;
      justify-content: space-between;
  margin-top: 45px;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
.part3-mod dl {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-align: start;
      align-items: flex-start;
  width: 560px;
  margin-bottom: 60px;
}
.part3-mod dl dd {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-direction: column;
      flex-direction: column;
  -ms-flex: 1;
      flex: 1;
}
.part3-mod dl dd b {
  font-size: 20px;
  font-family: PingFangSC-Semibold;
  line-height: 28px;
  margin-bottom: 20px;
}
.part3-mod dl dd span {
  font-size: 14px;
  line-height: 24px;
  color: #666666;
}
.part3-mod dl dt {
  width: 80px;
  -ms-flex-negative: 0;
      flex-shrink: 0;
}
.part3-mod dl dt img {
  margin-top: 46px;
}
@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 {
    background-color: #F3F4F5;
  }
  .part1-mod .bg {
    top: -0.666667rem /* 50/75 */;
  }
  .part1-mod .bg img {
    width: 100%;
  }
  .part1-mod dl {
    top: 0.666667rem /* 50/75 */;
  }
  .part1-mod dl dt {
    font-size: 0.346667rem /* 26/75 */;
    line-height: 0.6rem /* 45/75 */;
    color: #000000;
    width: 3.2rem /* 240/75 */;
    padding-left: 0.4rem /* 30/75 */;
    box-sizing: border-box;
  }
  .part1-mod dl dd {
    -ms-flex: 1;
        flex: 1;
    line-height: 0.4rem /* 30/75 */;
    color: #FFFFFF;
    padding-right: 0.4rem /* 30/75 */;
    box-sizing: border-box;
    text-align: right;
    font-size: 0.186667rem /* 14/75 */;
    height: 1.733333rem /* 130/75 */;
    overflow: hidden;
  }
  .part1-mod dl dd h3 {
    font-size: 0.24rem /* 18/75 */;
    margin-bottom: 0.133333rem /* 10/75 */;
  }
  .part1-mod dl dd p {
    display: none;
  }
  .part1-mod dl dd p.m-desc {
    display: block;
  }
  .part2-mod {
    padding-bottom: 0.133333rem /* 10/75 */;
  }
  .part2-mod .tip {
    margin-bottom: 0.573333rem /* 43/75 */;
  }
  .part2-mod ul {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
  }
  .part2-mod ul li {
    -ms-flex: auto;
        flex: auto;
    list-style: none;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
        flex-direction: column;
    -ms-flex-pack: center;
        justify-content: center;
    -ms-flex-align: center;
        align-items: center;
    position: relative;
    width: 50%;
    margin-bottom: 0.666667rem /* 50/75 */;
  }
  .part2-mod ul li p {
    font-size: 0.346667rem /* 26/75 */;
    line-height: 0.373333rem /* 28/75 */;
    margin: 0.213333rem /* 16/75 */ 0;
  }
  .part2-mod ul li img {
    width: 2.133333rem /* 160/75 */;
  }
  .part3-mod {
    padding-bottom: 0.533333rem /* 40/75 */;
  }
  .part3-mod .ifs {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-pack: justify;
        justify-content: space-between;
    margin-top: 0.6rem /* 45/75 */;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
  }
  .part3-mod dl {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
        align-items: center;
    width: 48%;
    margin-bottom: 0.933333rem /* 70/75 */;
    -ms-flex-pack: justify;
        justify-content: space-between;
  }
  .part3-mod dl dd {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
        flex-direction: column;
    -ms-flex: 1;
        flex: 1;
  }
  .part3-mod dl dd b {
    font-size: 0.346667rem /* 26/75 */;
    font-family: PingFang SC;
    line-height: 0.493333rem /* 37/75 */;
    margin-bottom: 0;
  }
  .part3-mod dl dd span {
    display: none;
  }
  .part3-mod dl dt {
    width: 0.933333rem /* 70/75 */;
    -ms-flex-negative: 0;
        flex-shrink: 0;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
        align-items: center;
  }
  .part3-mod dl dt img {
    margin-top: 0;
    max-width: 0.733333rem /* 55/75 */;
    max-height: 0.733333rem /* 55/75 */;
  }
}