.baishu .content {
  padding-top: 4.5rem;
}
.baishu .content .about-one-box {
  background: url(../img/bg_qianfanshu@2x.jpg) no-repeat bottom center;
  background-size: cover;
  padding: 14.5rem 0;
}
.baishu .content .about-one-box .text-box {
  width: 39.5rem;
}
.baishu .content .about-one-box .text-box .title {
  margin-bottom: 1.875rem;
}
.baishu .content .about-one-box .text-box .title h1 {
  font-size: 2.5rem;
  font-weight: bold;
  color: #333333;
  letter-spacing: 0.128125rem;
}
.baishu .content .about-one-box .text-box .text p {
  font-size: 1rem;
  font-weight: 500;
  color: #666666;
  line-height: 2rem;
}
.baishu .content .about-title {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 2.5rem;
}
.baishu .content .about-title:before {
  content: '';
  position: absolute;
  width: 0.5rem;
  height: 2rem;
  left: 0;
  top: calc(50% - 0.875rem);
  background-color: #0265FF;
}
.baishu .content .about-title h2 {
  font-size: 2.25rem;
  font-weight: bold;
  color: #333333;
}
.baishu .content .about-two-box {
  margin-top: 5rem;
  margin-bottom: 6.875rem;
}
.baishu .content .about-two-box .about-cont p {
  font-size: 0.875rem;
  font-weight: 500;
  color: #666666;
  line-height: 2rem;
  text-indent: 2em;
}
.baishu .content .about-three-box {
  margin-bottom: 4.25rem;
}
.baishu .content .about-three-box .about-cont .about-list ul {
  display: flex;
  flex-wrap: wrap;
}
.baishu .content .about-three-box .about-cont .about-list ul li {
  width: calc(33.33% - 1.375rem);
  margin-right: 2.0625rem;
  margin-bottom: 2rem;
}
.baishu .content .about-three-box .about-cont .about-list ul li:nth-child(3n) {
  margin-right: 0;
}
.baishu .content .about-three-box .about-cont .about-list ul li .item {
  padding: 1rem 1.25rem 0 0;
  min-height: 20.1875rem;
  box-shadow: 0 0.125rem 0.875rem 0 rgba(0, 0, 0, 0.1);
  border-radius: 0.375rem;
}
.baishu .content .about-three-box .about-cont .about-list ul li .item .img-box {
  width: 10rem;
  height: 8.375rem;
}
.baishu .content .about-three-box .about-cont .about-list ul li .item .img-box img {
  width: 100%;
  height: 100%;
}
.baishu .content .about-three-box .about-cont .about-list ul li .item .title-box {
  margin-bottom: 1.125rem;
  padding-left: 1.25rem;
}
.baishu .content .about-three-box .about-cont .about-list ul li .item .title-box h3 {
  font-size: 1.5rem;
  font-weight: bold;
  color: #FFFFFF;
  letter-spacing: 0.064375rem;
}
.baishu .content .about-three-box .about-cont .about-list ul li .item .text-box {
  padding-left: 1.25rem;
}
.baishu .content .about-three-box .about-cont .about-list ul li .item .text-box p {
  font-size: 0.875rem;
  font-weight: 500;
  color: #FFFFFF;
  line-height: 1.625rem;
}
.baishu .content .about-four-box {
  background: url(../img/bg_fazhanlichen.jpg) no-repeat bottom right;
  background-size: cover;
  padding-top: 3.75rem;
  padding-bottom: 5.5rem;
  position: relative;
}
.baishu .content .about-four-box .container {
  position: relative;
  z-index: 2;
}
.baishu .content .about-four-box .container .about-title h2 {
  color: #ffffff;
}
.baishu .content .about-four-box .container .mobile-box {
  display: none;
}
.baishu .content .about-four-box .container .pc-box .one-box,
.baishu .content .about-four-box .container .pc-box .two-box,
.baishu .content .about-four-box .container .pc-box .three-box,
.baishu .content .about-four-box .container .pc-box .four-box {
  width: 50%;
  opacity: 0;
  -webkit-transition: opacity 0.3s;
  /* Chrome */
  -moz-transition: opacity 0.3s;
  /* Firefox */
  -ms-transition: opacity 0.3s;
  /* IE */
  -o-transition: opacity 0.3s;
  /* Opera */
  transition: opacity 0.3s;
}
.baishu .content .about-four-box .container .pc-box .one-box.active,
.baishu .content .about-four-box .container .pc-box .two-box.active,
.baishu .content .about-four-box .container .pc-box .three-box.active,
.baishu .content .about-four-box .container .pc-box .four-box.active {
  opacity: 1;
}
.baishu .content .about-four-box .container .pc-box .one-box .cont-box,
.baishu .content .about-four-box .container .pc-box .two-box .cont-box,
.baishu .content .about-four-box .container .pc-box .three-box .cont-box,
.baishu .content .about-four-box .container .pc-box .four-box .cont-box {
  width: 21rem;
}
.baishu .content .about-four-box .container .pc-box .one-box .cont-box .title-box,
.baishu .content .about-four-box .container .pc-box .two-box .cont-box .title-box,
.baishu .content .about-four-box .container .pc-box .three-box .cont-box .title-box,
.baishu .content .about-four-box .container .pc-box .four-box .cont-box .title-box {
  width: 7.8125rem;
  height: 7.8125rem;
  margin: 0 auto;
}
.baishu .content .about-four-box .container .pc-box .one-box .cont-box .title-box h5,
.baishu .content .about-four-box .container .pc-box .two-box .cont-box .title-box h5,
.baishu .content .about-four-box .container .pc-box .three-box .cont-box .title-box h5,
.baishu .content .about-four-box .container .pc-box .four-box .cont-box .title-box h5 {
  text-align: center;
  line-height: 7.8125rem;
  font-size: 1rem;
  font-weight: bold;
  color: #333333;
}
.baishu .content .about-four-box .container .pc-box .one-box .cont-box .date-box,
.baishu .content .about-four-box .container .pc-box .two-box .cont-box .date-box,
.baishu .content .about-four-box .container .pc-box .three-box .cont-box .date-box,
.baishu .content .about-four-box .container .pc-box .four-box .cont-box .date-box {
  margin: 1.25rem 0;
}
.baishu .content .about-four-box .container .pc-box .one-box .cont-box .date-box h4,
.baishu .content .about-four-box .container .pc-box .two-box .cont-box .date-box h4,
.baishu .content .about-four-box .container .pc-box .three-box .cont-box .date-box h4,
.baishu .content .about-four-box .container .pc-box .four-box .cont-box .date-box h4 {
  font-size: 1.5rem;
  font-weight: bold;
  text-align: center;
  letter-spacing: 0.064375rem;
}
.baishu .content .about-four-box .container .pc-box .one-box .cont-box .text-list ul li,
.baishu .content .about-four-box .container .pc-box .two-box .cont-box .text-list ul li,
.baishu .content .about-four-box .container .pc-box .three-box .cont-box .text-list ul li,
.baishu .content .about-four-box .container .pc-box .four-box .cont-box .text-list ul li {
  padding-left: 1rem;
  position: relative;
  margin-bottom: 0.625rem;
}
.baishu .content .about-four-box .container .pc-box .one-box .cont-box .text-list ul li:last-child,
.baishu .content .about-four-box .container .pc-box .two-box .cont-box .text-list ul li:last-child,
.baishu .content .about-four-box .container .pc-box .three-box .cont-box .text-list ul li:last-child,
.baishu .content .about-four-box .container .pc-box .four-box .cont-box .text-list ul li:last-child {
  margin-bottom: 0;
}
.baishu .content .about-four-box .container .pc-box .one-box .cont-box .text-list ul li p,
.baishu .content .about-four-box .container .pc-box .two-box .cont-box .text-list ul li p,
.baishu .content .about-four-box .container .pc-box .three-box .cont-box .text-list ul li p,
.baishu .content .about-four-box .container .pc-box .four-box .cont-box .text-list ul li p {
  font-size: 0.875rem;
  font-weight: 500;
  color: #FFFFFF;
  line-height: 1.625rem;
}
.baishu .content .about-four-box .container .pc-box .top-box {
  display: flex;
  justify-content: center;
  align-items: flex-end;
}
.baishu .content .about-four-box .container .pc-box .top-box .cont-box {
  float: right;
}
.baishu .content .about-four-box .container .pc-box .top-box .two-box .title-box {
  background: url(../img/img_licheng2@2x.png) no-repeat;
  background-size: 100% 100%;
  margin-bottom: -3.875rem;
}
.baishu .content .about-four-box .container .pc-box .top-box .two-box .date-box h4 {
  color: #0DD0DD;
}
.baishu .content .about-four-box .container .pc-box .top-box .two-box .text-list ul li:before {
  content: '';
  position: absolute;
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background-color: #0DD0DD;
  top: 0.625rem;
  left: 0;
}
.baishu .content .about-four-box .container .pc-box .top-box .four-box .title-box {
  background: url(../img/img_licheng4@2x.png) no-repeat;
  background-size: 100% 100%;
  margin-bottom: -3.875rem;
}
.baishu .content .about-four-box .container .pc-box .top-box .four-box .date-box h4 {
  color: #00FCFF;
}
.baishu .content .about-four-box .container .pc-box .top-box .four-box .text-list ul li:before {
  content: '';
  position: absolute;
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background-color: #00FCFF;
  top: 0.625rem;
  left: 0;
}
.baishu .content .about-four-box .container .pc-box .bottom-box {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}
.baishu .content .about-four-box .container .pc-box .bottom-box .cont-box {
  float: left;
}
.baishu .content .about-four-box .container .pc-box .bottom-box .one-box .title-box {
  background: url(../img/img_licheng1@2x.png) no-repeat;
  background-size: 100% 100%;
  margin-top: -3.875rem;
}
.baishu .content .about-four-box .container .pc-box .bottom-box .one-box .date-box h4 {
  color: #FFE900;
}
.baishu .content .about-four-box .container .pc-box .bottom-box .one-box .text-list ul li:before {
  content: '';
  position: absolute;
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background-color: #FFE900;
  top: 0.625rem;
  left: 0;
}
.baishu .content .about-four-box .container .pc-box .bottom-box .three-box .title-box {
  background: url(../img/img_licheng3@2x.png) no-repeat;
  background-size: 100% 100%;
  margin-top: -3.875rem;
}
.baishu .content .about-four-box .container .pc-box .bottom-box .three-box .date-box h4 {
  color: #FF7006;
}
.baishu .content .about-four-box .container .pc-box .bottom-box .three-box .text-list ul li:before {
  content: '';
  position: absolute;
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background-color: #FF7006;
  top: 0.625rem;
  left: 0;
}
.baishu .content .about-four-box .mask-box {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
}
.baishu .content .about-four-box .line-time {
  position: absolute;
  top: 50%;
  left: 0;
  width: 0;
  height: 0.1875rem;
  background: #FFFFFF;
  z-index: 1;
  -webkit-transition: width 0.3s;
  /* Chrome */
  -moz-transition: width 0.3s;
  /* Firefox */
  -ms-transition: width 0.3s;
  /* IE */
  -o-transition: width 0.3s;
  /* Opera */
  transition: width 0.3s;
}
.baishu .content .about-five-box {
  padding-top: 4.375rem;
  margin-bottom: 5.625rem;
}
.baishu .content .about-five-box .about-cont {
  width: calc(100% - 13.75rem);
  margin: 0 auto;
}
.baishu .content .about-five-box .about-cont .img-title-box {
  margin-top: 4.375rem;
  margin-bottom: 1.875rem;
}
.baishu .content .about-five-box .about-cont .img-title-box img {
  display: block;
  margin: 0 auto;
  width: calc(100% - 7.6875rem);
}
.baishu .content .about-five-box .about-cont .msg-box {
  margin-bottom: 2.5rem;
}
.baishu .content .about-five-box .about-cont .msg-box p {
  font-size: 1.625rem;
  font-weight: 500;
  color: #333333;
  line-height: 2.3125rem;
  letter-spacing: 0.0625rem;
}
.baishu .content .about-five-box .about-cont .img-cont-box img {
  display: block;
  width: 100%;
}
@media (max-width: 768px) {
  html .baishu .content .about-title:before {
    height: 1.75rem;
  }
  html .baishu .content .about-title h2 {
    font-size: 1.75rem;
  }
  html .baishu .content .about-one-box .text-box {
    width: auto;
  }
  html .baishu .content .about-one-box .text-box .title h1 {
    font-size: 1.75rem;
  }
  html .baishu .content .about-one-box .text-box .text p {
    color: #555555;
  }
  html .baishu .content .about-three-box .about-cont .about-list ul li {
    width: 100%;
    margin-right: 0;
  }
  html .baishu .content .about-four-box .pc-box {
    display: none;
  }
  html .baishu .content .about-four-box .mobile-box {
    display: block!important;
  }
  html .baishu .content .about-four-box .mobile-box .one-box,
  html .baishu .content .about-four-box .mobile-box .two-box,
  html .baishu .content .about-four-box .mobile-box .three-box,
  html .baishu .content .about-four-box .mobile-box .four-box {
    width: 100%;
    margin-bottom: 2.5rem;
  }
  html .baishu .content .about-four-box .mobile-box .one-box .cont-box,
  html .baishu .content .about-four-box .mobile-box .two-box .cont-box,
  html .baishu .content .about-four-box .mobile-box .three-box .cont-box,
  html .baishu .content .about-four-box .mobile-box .four-box .cont-box {
    width: 100%;
  }
  html .baishu .content .about-four-box .mobile-box .one-box .cont-box .title-box,
  html .baishu .content .about-four-box .mobile-box .two-box .cont-box .title-box,
  html .baishu .content .about-four-box .mobile-box .three-box .cont-box .title-box,
  html .baishu .content .about-four-box .mobile-box .four-box .cont-box .title-box {
    width: 7.8125rem;
    height: 7.8125rem;
    margin: 0 auto;
  }
  html .baishu .content .about-four-box .mobile-box .one-box .cont-box .title-box h5,
  html .baishu .content .about-four-box .mobile-box .two-box .cont-box .title-box h5,
  html .baishu .content .about-four-box .mobile-box .three-box .cont-box .title-box h5,
  html .baishu .content .about-four-box .mobile-box .four-box .cont-box .title-box h5 {
    text-align: center;
    line-height: 7.8125rem;
    font-size: 1rem;
    font-weight: bold;
    color: #333333;
  }
  html .baishu .content .about-four-box .mobile-box .one-box .cont-box .date-box,
  html .baishu .content .about-four-box .mobile-box .two-box .cont-box .date-box,
  html .baishu .content .about-four-box .mobile-box .three-box .cont-box .date-box,
  html .baishu .content .about-four-box .mobile-box .four-box .cont-box .date-box {
    margin: 1.25rem 0;
  }
  html .baishu .content .about-four-box .mobile-box .one-box .cont-box .date-box h4,
  html .baishu .content .about-four-box .mobile-box .two-box .cont-box .date-box h4,
  html .baishu .content .about-four-box .mobile-box .three-box .cont-box .date-box h4,
  html .baishu .content .about-four-box .mobile-box .four-box .cont-box .date-box h4 {
    font-size: 1.5rem;
    font-weight: bold;
    text-align: center;
    letter-spacing: 0.064375rem;
  }
  html .baishu .content .about-four-box .mobile-box .one-box .cont-box .text-list ul li,
  html .baishu .content .about-four-box .mobile-box .two-box .cont-box .text-list ul li,
  html .baishu .content .about-four-box .mobile-box .three-box .cont-box .text-list ul li,
  html .baishu .content .about-four-box .mobile-box .four-box .cont-box .text-list ul li {
    padding-left: 1rem;
    position: relative;
    margin-bottom: 0.625rem;
  }
  html .baishu .content .about-four-box .mobile-box .one-box .cont-box .text-list ul li:last-child,
  html .baishu .content .about-four-box .mobile-box .two-box .cont-box .text-list ul li:last-child,
  html .baishu .content .about-four-box .mobile-box .three-box .cont-box .text-list ul li:last-child,
  html .baishu .content .about-four-box .mobile-box .four-box .cont-box .text-list ul li:last-child {
    margin-bottom: 0;
  }
  html .baishu .content .about-four-box .mobile-box .one-box .cont-box .text-list ul li p,
  html .baishu .content .about-four-box .mobile-box .two-box .cont-box .text-list ul li p,
  html .baishu .content .about-four-box .mobile-box .three-box .cont-box .text-list ul li p,
  html .baishu .content .about-four-box .mobile-box .four-box .cont-box .text-list ul li p {
    font-size: 0.875rem;
    font-weight: 500;
    color: #FFFFFF;
    line-height: 2rem;
  }
  html .baishu .content .about-four-box .mobile-box .two-box .title-box {
    background: url(../img/img_licheng2@2x.png) no-repeat;
    background-size: 100% 100%;
    margin-bottom: -3.875rem;
  }
  html .baishu .content .about-four-box .mobile-box .two-box .date-box h4 {
    color: #0DD0DD;
  }
  html .baishu .content .about-four-box .mobile-box .two-box .text-list ul li:before {
    content: '';
    position: absolute;
    width: 0.375rem;
    height: 0.375rem;
    border-radius: 50%;
    background-color: #0DD0DD;
    top: 0.625rem;
    left: 0;
  }
  html .baishu .content .about-four-box .mobile-box .four-box .title-box {
    background: url(../img/img_licheng4@2x.png) no-repeat;
    background-size: 100% 100%;
    margin-bottom: -3.875rem;
  }
  html .baishu .content .about-four-box .mobile-box .four-box .date-box h4 {
    color: #00FCFF;
  }
  html .baishu .content .about-four-box .mobile-box .four-box .text-list ul li:before {
    content: '';
    position: absolute;
    width: 0.375rem;
    height: 0.375rem;
    border-radius: 50%;
    background-color: #00FCFF;
    top: 0.625rem;
    left: 0;
  }
  html .baishu .content .about-four-box .mobile-box .one-box .title-box {
    background: url(../img/img_licheng1@2x.png) no-repeat;
    background-size: 100% 100%;
    margin-top: -3.875rem;
  }
  html .baishu .content .about-four-box .mobile-box .one-box .date-box h4 {
    color: #FFE900;
  }
  html .baishu .content .about-four-box .mobile-box .one-box .text-list ul li:before {
    content: '';
    position: absolute;
    width: 0.375rem;
    height: 0.375rem;
    border-radius: 50%;
    background-color: #FFE900;
    top: 0.625rem;
    left: 0;
  }
  html .baishu .content .about-four-box .mobile-box .three-box .title-box {
    background: url(../img/img_licheng3@2x.png) no-repeat;
    background-size: 100% 100%;
    margin-top: -3.875rem;
  }
  html .baishu .content .about-four-box .mobile-box .three-box .date-box h4 {
    color: #FF7006;
  }
  html .baishu .content .about-four-box .mobile-box .three-box .text-list ul li:before {
    content: '';
    position: absolute;
    width: 0.375rem;
    height: 0.375rem;
    border-radius: 50%;
    background-color: #FF7006;
    top: 0.625rem;
    left: 0;
  }
  html .baishu .content .about-five-box {
    padding-top: 4.375rem;
    margin-bottom: 5.625rem;
  }
  html .baishu .content .about-five-box .about-cont .img-box {
    margin-top: 3.125rem;
  }
  html .baishu .content .about-five-box .about-cont .img-box img {
    display: block;
    margin: 0 auto;
    width: 100%;
  }
}