.banner-wrap {
  position: relative;
  height: calc(100vh - 5.3646vw);
}
.banner-wrap > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.banner-wrap > .mask {
  position: absolute;
  top: 8.1771vw;
  left: 50%;
  transform: translateX(-50%);
  width: 62.5vw;
  text-align: center;
}
.banner-wrap > .mask h2 {
  font-size: 2.0833vw;
  font-family: Microsoft YaHei;
  font-weight: bold;
  color: #014099;
  margin: 0 0 2.2396vw;
}
.banner-wrap > .mask p {
  font-size: 0.9375vw;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #333333;
  line-height: 1.7;
}
.banner-wrap > .scroll-bottom {
  position: absolute;
  left: 50%;
  bottom: -2.0833vw;
  transform: translateX(-50%);
}
.banner-wrap > .scroll-bottom span:first-child {
  font-size: 12px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #FFFFFF;
}
.banner-wrap > .scroll-bottom span:first-child::after {
  content: "";
  display: block;
  width: 3px;
  height: 5.2083vw;
  background: #FFFFFF;
  margin: 0.8333vw auto 0;
}
.banner-wrap > .scroll-bottom span.line {
  display: block;
  width: 3px;
  height: 2.0833vw;
  background: #014099;
  margin: 0 auto;
  position: relative;
}
.banner-wrap > .scroll-bottom span.line::before,
.banner-wrap > .scroll-bottom span.line::after {
  content: "";
  display: block;
  position: absolute;
  bottom: -0.5208vw;
  left: -0.4813vw;
  width: 0.7813vw;
  height: 0.7813vw;
  border: 3px solid transparent;
  border-bottom-color: #014099;
  border-left-color:  #014099;
  transform: rotateZ(-45deg);
}
.banner-wrap > .scroll-bottom span.line::after {
  bottom: -20px;
}


.desc-wrap > .content {
  width: 62.5vw;
  margin: 0 auto;
  padding: 7.8125vw 0 3.6979vw;
}
.desc-wrap .rich-text p {
  font-size: 0.9375vw;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #4D4D4D;
  line-height: 1.7;
}
.desc-wrap .row {
  margin: 1.5625vw 0 0;
  text-align: center;
}
.desc-wrap .col:hover .cover {
  background: #014099;
}
.desc-wrap .cover {
  width: 4.9479vw;
  height: 4.9479vw;
  background: rgba(1,64,153,0.1);
  border-radius: 50%;
  margin-bottom: 1.4063vw;
  transition: all .3s ease;
}
.desc-wrap .cover {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}
.desc-wrap .cover img {
  width: 1.9792vw;
  height: 1.9792vw;
}
.desc-wrap .col:hover .cover img:first-child {
  display: none;
}
.desc-wrap .col:hover .cover img:last-child {
  display: block;
}
.desc-wrap .cover img:first-child {
  display: block;
}
.desc-wrap .cover img:last-child {
  display: none;
}
.desc-wrap .row p {
  font-size: 0.8333vw;
  color: rgba(102, 102, 102, 1);
  line-height: 1.6;
}
.desc-wrap .row p > b {
  font-size: 1.0417vw;
  color: rgba(1, 64, 153, 1);
}



.list-wrap .rw {
  height: 28.2813vw;
  display: flex;
  background: #F2F2F2;
}
.list-wrap .rw:nth-child(odd) {
  flex-direction: row-reverse;
}
.list-wrap .desc {
  flex: 1;
  width: 50%;
}
.list-wrap .rw:nth-child(odd) .desc .con {
  float: right;
  margin-left: unset;
  margin-right: 4.1667vw;
}
.list-wrap .desc .con {
  width: 26.6667vw;
  margin-left: 4.1667vw;
  margin-top: 4.7396vw;
}
.list-wrap .cover {
  flex: 1;
  width: 50%;
  overflow: hidden;
}
.list-wrap .cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.list-wrap .desc h2 {
  font-size: 1.4583vw;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #014099;
  line-height: 1.4;
  margin: 0 0 3.6458vw;
  position: relative;
}
.list-wrap .desc h2::after {
  content: "";
  position: absolute;
  bottom: -1.8229vw;
  left: 0;
  width: 1.4583vw;
  height: 2px;
  background: #014099;
}
.list-wrap .desc .rich-text {
  height: 12.6042vw;
}
.list-wrap .desc p {
  font-size: 16px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #4D4D4D;
  line-height: 1.7;
}


.thought-wrap .row {
  max-width: 67.7083vw;
  margin: 0 auto;
  text-align: center;
  padding: 4.1667vw 0 6.9688vw;
}
.thought-wrap .row .col:hover .cover img {
  transform: scale(1.05);
}
.thought-wrap .row .cover {
  margin: 0 auto;
  width: 7.2917vw;
  height: 7.2917vw;
  border-radius: 50%;
}
.thought-wrap .row .cover img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: all .3s ease;
}
.thought-wrap .row .col:hover h2 {
  color: #014099;
}
.thought-wrap .row h2 {
  font-size: 0.9375vw;
  font-family: Microsoft YaHei;
  font-weight: bold;
  color: #333333;
  margin: 1.0938vw 0 2.1875vw;
  position: relative;
  transition: all .3s ease;
}
.thought-wrap .row h2::after {
  content: "";
  position: absolute;
  bottom: -1.0938vw;
  left: 50%;
  transform: translateX(-50%);
  width: 1.4583vw;
  height: 2px;
  background: #014099;
}
.thought-wrap .row p {
  font-size: 0.7292vw;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #666666;
  line-height: 1.7;
}

@media screen and (max-width: 640px) {
  .banner-wrap {
    height: 300px;
  }
  .banner-wrap > .mask {
    width: 90%;
  }
  .banner-wrap > .mask h2 {
    font-size: 18px;
  }
  .banner-wrap > .mask p {
    font-size: 12px;
  }
  .desc-wrap > .content {
    width: 90%;
  }
  .desc-wrap .cover {
    width: 60px;
    height: 60px;
  }
  .desc-wrap .cover img {
    width: 40%;
    height: 40%;
  }
  .list-wrap {
    /* width: 90%; */
    margin: 0 auto;
    padding: 0 20px;
  }
  .list-wrap .desc .con {
    width: unset;
  }
  .list-wrap .rw {
    flex-direction: column;
  }
  .list-wrap .rw:nth-child(odd) {
    flex-direction: column;
  }
  .list-wrap .rw {
    height: unset;
    background: unset;
  }
  .list-wrap .cover {
    width: unset;
    flex: unset;
  }
  .list-wrap .desc {
    width: unset;
    flex: unset;
  }
  .list-wrap .desc h2::after {
    width: 30px;
    bottom: -20px;
  }
  .list-wrap .desc .con {
    margin: unset;
  }
  .list-wrap .desc h2 {
    margin-top: 15px;
    margin-bottom: 30px;
  }
  .list-wrap .desc .rich-text {
    height: unset;
    padding: unset;
  }
  .list-wrap .rw:nth-child(odd) .desc .con {
    margin: unset;
  }
  .list-wrap .desc h2 {
    font-size: 18px;
  }
  .list-wrap .desc p {
    font-size: 12px;
  }
  .list-wrap .rw + .rw {
    margin-top: 30px;
  }
  .thought-wrap .row {
    width: 90%;
    max-width: unset;
  }
  .thought-wrap .col {
    padding: 10px;
  }
}


@media screen and (max-width: 640px) {
  .banner-wrap {
    height: 500px;
  }
  .banner-wrap > .mask p {
    font-size: 16px;
  }
  .desc-wrap .rich-text p {
    font-size: 16px;
  }
  .desc-wrap .cover {
    width: 100px;
    height: 100px;
  }
  .desc-wrap .row p {
    font-size: 16px;
  }
  .desc-wrap .row p > b {
    font-size: 20px;
  }
  .list-wrap .desc p {
    font-size: 16px;
  }
  .thought-wrap .row .cover {
    width: 80px;
    height: 80px;
  }
  .thought-wrap .row h2 {
    font-size: 16px;
    margin: 15px 0 10px;
  }
  .thought-wrap .row p {
    font-size: 12px;
  }
  .thought-wrap .row h2::after {
    width: 20px;
    bottom: -5px;
  }
}