.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 {
  padding-bottom: 78px;
}
.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: 0;
}
.part1-mod .tip p {
  font-size: 16px;
  line-height: 22px;
  color: #666666;
  text-indent: 2em;
  margin-bottom: 22px;
}

.part1-mod .imgs {
  display: -ms-flexbox;
  display: flex;
  padding-top: 20px;
}

.part1-mod .imgs>div {
  position: relative;
  width: 33.33%;
  margin-right: 2px;
  -ms-flex: 1;
      flex: 1;
}
.part1-mod .imgs img {
  display: block;
  width: 100%;
}
.part1-mod .imgs div:last-child {
  margin-right: 0;
}
.part1-mod .imgs div span {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: center;
      justify-content: center;
  -ms-flex-align: center;
      align-items: center;
  font-size: 26px;
  font-family: PingFangSC-Semibold;
  color: #ffffff;
}

.part2-mod {
  padding-bottom: 78px;
  background-color: #fafafa;
}
.part2-mod .tip {
  font-size: 14px;
  line-height: 22px;
  color: #666666;
}
.part2-mod .imgs {
  display: -ms-flexbox;
  display: flex;
  padding-top: 50px;
}
.part2-mod .imgs img {
  display: block;
  -ms-flex: 1;
      flex: 1;
  margin-right: 2px;
}
.part2-mod .imgs img:last-child {
  margin-right: 0;
}
.part2-mod .imgs > img {
  width: 280px;
  margin-right: 25px;
}
.part2-mod .imgs > div {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-direction: column;
      flex-direction: column;
}
.part2-mod .imgs > div > img {
  width: 545px;
  margin-top: 25px;
}
.part2-mod .imgs > div > div {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: justify;
      justify-content: space-between;
}
.part2-mod .imgs > div > div > img {
  width: 256px;
}
.part2-mod .imgs > div > div > img:first-child {
  margin-right: 25px;
}
.part2-mod .mimgs {
  display: none;
}
.part3-mod {
  background: url(../img/bg_baozhang@2x-e364363a.png) repeat-x center;
  background-size: 1440px 525px;
  height: 525px;
}
.part3-mod .mod-hd {
  padding-bottom: 0;
}
.part3-mod dl {
  display: -ms-flexbox;
  display: flex;
  border-bottom: 1px solid #BEBEBE;
  padding: 50px 0 35px;
}
.part3-mod dl:last-child {
  border-bottom: 0;
}
.part3-mod dl > dt {
  width: 570px;
  -ms-flex-negative: 0;
      flex-shrink: 0;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-direction: column;
      flex-direction: column;
  -ms-flex-pack: justify;
      justify-content: space-between;
      padding-right: 53px;
}
.part3-mod dl > dt p {
  font-size: 14px;
  line-height: 24px;
  color: #666666;
}
.part3-mod dl > dd {
  display: -ms-flexbox;
  display: flex;
}
.part3-mod dl > dd ol {
  width: 200px;
}
.part3-mod dl > dd ol dt {
  font-size: 20px;
  font-family: PingFangSC-Semibold;
  line-height: 28px;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-direction: column;
      flex-direction: column;
  margin-bottom: 23px;
}
.part3-mod dl > dd ol dt:after {
  content: '';
  width: 30px;
  height: 5px;
  background-color: #CC1600;
}
@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: 0.6rem /* 45/75 */;
  }
  .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 .tip p {
    font-size: 0.293333rem /* 22/75 */;
    line-height: 0.533333rem /* 40/75 */;
    margin-bottom: 0;
  }
  .part1-mod .imgs {
    display: -ms-flexbox;
    display: flex;
    padding-top: .266667rem /* 20/75 */;
  }
  .part1-mod .imgs div span {
    font-size: 0.266667rem /* 20/75 */;
  }
  .part2-mod {
    padding-bottom: 0.266667rem /* 20/75 */;
  }
  .part2-mod .imgs {
    display: none;
  }
  .part2-mod .mimgs {
    display: -ms-flexbox;
    display: flex;
    padding-top: 0.666667rem /* 50/75 */;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    -ms-flex-pack: start;
        justify-content: flex-start;
  }
  .part2-mod .mimgs img {
    display: block;
    width: 2.933333rem /* 220/75 */;
    margin-right: 0.16rem /* 12/75 */;
    margin-bottom: 0.4rem /* 30/75 */;
  }
  .part2-mod .mimgs img:nth-child(3n) {
    margin-right: 0;
  }
  .part3-mod {
    background-size: auto 100%;
    height: auto;
  }
  .part3-mod .mod-hd {
    padding-bottom: 0;
  }
  .part3-mod dl {
    display: -ms-flexbox;
    display: flex;
    border-bottom: 1px solid #BEBEBE;
    padding: 0.6rem /* 45/75 */ 0 0.466667rem /* 35/75 */;
    -ms-flex-direction: column;
        flex-direction: column;
  }
  .part3-mod dl:last-child {
    border-bottom: 0;
  }
  .part3-mod dl > dt {
    width: auto;
    -ms-flex-negative: 0;
        flex-shrink: 0;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
        flex-direction: column;
    -ms-flex-pack: justify;
        justify-content: space-between;
    margin-bottom: 0.306667rem /* 23/75 */;
  }
  .part3-mod dl > dt p {
    display: none;
  }
  .part3-mod dl > dd {
    display: -ms-flexbox;
    display: flex;
  }
  .part3-mod dl > dd ol {
    width: 200px;
  }
  .part3-mod dl > dd ol dt {
    font-size: 0.293333rem /* 22/75 */;
    line-height: 0.373333rem /* 28/75 */;
    margin-bottom: 0.306667rem /* 23/75 */;
    color: #666;
  }
  .part3-mod dl > dd ol dt:after {
    width: 0.226667rem /* 17/75 */;
    height: 0.026667rem /* 2/75 */;
    margin-top: 0.213333rem /* 16/75 */;
  }
  .part3-mod dl > dd ol dd {
    color: #666;
    font-size: 0.293333rem /* 22/75 */;
    white-space: nowrap;
  }
}