.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 {
  font-size: 60px;
  font-family: YouSheBiaoTiHei;
  margin-bottom: 30px;
  display: none;
}
.part1-mod {
  padding-bottom: 80px;
}
.part1-mod .tabs {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: distribute;
      justify-content: space-around;
  padding: 84px 0 60px;
}
.part1-mod .tabs a {
  display: block;
  font-size: 20px;
  border-bottom: 7px solid transparent;
  line-height: 44px;
}
.part1-mod .tabs a:hover, .part1-mod .tabs a.active {
  border-bottom: 7px solid #CC1600;
  color: #CC1600;
}
.part1-mod .mod-hd {
  padding-top: 60px;
}
.part1-mod .tip {
  color: #666;
}
.part1-mod .ifs {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: justify;
      justify-content: space-between;
  margin-top: 45px;
}
.part1-mod dl {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-align: end;
      align-items: flex-end;
}
.part1-mod dl dd {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-direction: column;
      flex-direction: column;
  -ms-flex: 1;
      flex: 1;
  margin-left: 15px;
}
.part1-mod dl dd b {
  font-size: 20px;
  font-family: PingFangSC-Semibold;
  line-height: 28px;
  margin-bottom: 15px;
}
.part1-mod dl dd span {
  font-size: 14px;
  line-height: 24px;
  color: #666666;
}
.part2-mod {
  background-color: #fafafa;
  padding-bottom: 75px;
}
.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: 14px;
  line-height: 24px;
  color: #666;
  position: absolute;
  padding: 0 24px;
  bottom: 60px;
  left: 0;
  margin: 0;
}
.part2-mod ul li img {
  width: 300px;
}
.part3-mod {
  padding-bottom: 80px;
}
.part3-mod .tabs {
  display: -ms-flexbox;
  display: flex;
  padding: 40px 0 60px;
}
.part3-mod .tabs a {
  display: block;
  font-size: 20px;
  border-bottom: 7px solid transparent;
  line-height: 44px;
  padding: 0 20px;
  margin-right: 40px;
}
.part3-mod .tabs a:last-child {
  margin-right: 0;
}
.part3-mod .tabs a:hover, .part3-mod .tabs a.active {
  border-color: #CC1600;
  color: #CC1600;
}
.part3-mod .list {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: justify;
      justify-content: space-between;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
.part3-mod .list li {
  list-style: none;
  width: 375px;
  margin-right: 10px;
  text-align: center;
  font-size: 18px;
  font-family: PingFangSC-Semibold;
  line-height: 28px;
  margin-bottom: 80px;
}
.part3-mod .list li img {
  display: block;
  width: 100%;
  margin-bottom: 18px;
}
.mask {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 999;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: center;
      justify-content: center;
  -ms-flex-align: center;
      align-items: center;
}
.mask img {
  display: block;
  max-width: 100%;
  max-height: 100%;
}
@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;
  }
  .part1-mod .tabs {
    padding: 0.773333rem /* 58/75 */ 0 0.88rem /* 66/75 */;
  }
  .part1-mod .tabs a {
    font-size: 0.346667rem /* 26/75 */;
    border-bottom: 0.066667rem /* 5/75 */ solid transparent;
    line-height: 0.773333rem /* 58/75 */;
  }
  .part1-mod .tabs a:hover, .part1-mod .tabs a.active {
    border-bottom: 0.066667rem /* 5/75 */ solid #CC1600;
  }
  .part1-mod .mod-hd {
    padding-top: 0;
  }
  .part1-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;
    padding: 0 0.533333rem /* 40/75 */;
  }
  .part1-mod dl {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
        align-items: center;
    margin-bottom: 0.666667rem /* 50/75 */;
    width: 40%;
  }
  .part1-mod dl dd {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
        flex-direction: column;
    -ms-flex: 1;
        flex: 1;
    margin-left: 0.2rem /* 15/75 */;
  }
  .part1-mod dl dd b {
    font-size: 0.346667rem /* 26/75 */;
    line-height: 0.493333rem /* 37/75 */;
    margin-bottom: 0.133333rem /* 10/75 */;
  }
  .part1-mod dl dd span {
    font-size: 0.293333rem /* 22/75 */;
    line-height: 0.32rem /* 24/75 */;
  }
  .part1-mod dl dt img {
    max-width: 0.6rem /* 45/75 */;
    max-height: 0.6rem /* 45/75 */;
  }
  .part2-mod {
    padding-bottom: 0.466667rem /* 35/75 */;
  }
  .part2-mod ul {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
  }
  .part2-mod ul li {
    width: 50%;
    -ms-flex: auto;
        flex: auto;
  }
  .part2-mod ul li p {
    font-size: 0.293333rem /* 22/75 */;
    line-height: 1.5;
    padding: 0 0.32rem /* 24/75 */;
    bottom: 0.533333rem /* 40/75 */;
  }
  .part2-mod ul li img {
    width: 100%;
  }
  .part3-mod {
    padding-bottom: 0.8rem /* 60/75 */;
  }
  .part3-mod .tabs {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-pack: justify;
        justify-content: space-between;
    padding: 0.333333rem /* 25/75 */ 0 0.4rem /* 30/75 */;
    overflow-x: auto;
  }
  .part3-mod .tabs a {
    display: block;
    font-size: 0.346667rem /* 26/75 */;
    border-bottom: 0.093333rem /* 7/75 */ solid transparent;
    line-height: 0.773333rem /* 58/75 */;
    white-space: nowrap;
    width: 1.973333rem /* 148/75 */;
    text-align: center;
    -ms-flex-negative: 0;
        flex-shrink: 0;
  }
  .part3-mod .tabs a:hover, .part3-mod .tabs a.active {
    border-color: #CC1600;
  }
  .part3-mod .list li {
    width: 4.48rem /* 336/75 */;
    margin-right: 0.133333rem /* 10/75 */;
    font-size: 0.266667rem /* 20/75 */;
    line-height: 0.373333rem /* 28/75 */;
    margin-bottom: 0.8rem /* 60/75 */;
  }
  .part3-mod .list li img {
    display: block;
    width: 100%;
    margin-bottom: 0.266667rem /* 20/75 */;
  }
  .part3-mod .list li:nth-child(even) {
    margin-right: 0;
  }
}