main {
  background-color: #f0edf1;
  font-family: Microsoft YaHei;
  overflow: hidden; }

.floor_1 {
  text-align: center; }
  .floor_1 .fixed_width {
    background-color: #ffffff;
    padding: 71px 0 50px; }
  .floor_1 h2 {
    font-size: 28px;
    color: #080006; }
  .floor_1 h3 {
    color: #080006;
    font-size: 12px;
    margin-top: 17px; }
  .floor_1 h4 {
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #717171;
    color: #717171;
    margin-top: 29px; }

.floor_2 {
  margin-top: 13px;
  text-align: center; }
  .floor_2 .fixed_width {
    background-color: #ffffff;
    padding: 42px 0 50px; }
  .floor_2 h2 {
    font-size: 24px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #080006; }
  .floor_2 h3 {
    color: #080006;
    font-size: 12px;
    margin-top: 17px; }
  .floor_2 h4 {
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #717171;
    color: #717171;
    margin-top: 29px; }
  .floor_2 .img24 {
    width: 946px;
    height: 148px;
    margin-top: 50px; }
  .floor_2 .img25 {
    margin-top: 47px; }
  .floor_2 .img26 {
    margin-top: 40px;
    width: 783px;
    height: 362px; }
  .floor_2 .img27 {
    margin-top: 79px;
    margin-left: 129px;
    width: 942px;
    height: 290px; }
  .floor_2 .img28 {
    margin-top: 79px; }
  .floor_2 .img29 {
    margin-top: 35px; }
  .floor_2 .img30 {
    margin-top: 100px;
    width: 772px;
    height: 288px; }

.floor_3 {
  margin-top: 13px;
  text-align: center; }
  .floor_3 .fixed_width {
    background-color: #ffffff;
    padding: 42px 0 50px; }
  .floor_3 h2 {
    font-size: 26px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #080006; }
  .floor_3 h3 {
    color: #080006;
    font-size: 12px;
    margin-top: 17px; }
  .floor_3 h4 {
    font-size: 15px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #717171;
    color: #717171;
    margin-top: 29px; }
  .floor_3 .img30_2 {
    margin-top: 10px;
    width: 1096px;
    height: 483px;
    background: white;
    -webkit-box-shadow: 0px 3px 7px 1px rgba(197, 197, 197, 0.18);
            box-shadow: 0px 3px 7px 1px rgba(197, 197, 197, 0.18); }

.floor_4 {
  margin-top: 13px;
  text-align: center;
  margin-bottom: 89px; }
  .floor_4 .fixed_width {
    background-color: #ffffff;
    padding: 42px 0 50px; }
  .floor_4 h2 {
    font-size: 26px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #080006; }
  .floor_4 h3 {
    color: #080006;
    font-size: 12px;
    margin-top: 17px; }
  .floor_4 h4 {
    font-size: 15px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #717171;
    color: #717171;
    margin-top: 29px; }
  .floor_4 .img32,
  .floor_4 .img33,
  .floor_4 .img34,
  .floor_4 .img35,
  .floor_4 .img36 {
    margin-top: 100px;
    width: 1096px;
    height: 304px;
    background: white;
    -webkit-box-shadow: 0px 3px 7px 1px rgba(197, 197, 197, 0.18);
            box-shadow: 0px 3px 7px 1px rgba(197, 197, 197, 0.18); }
  .floor_4 .img36 {
    width: 1096px;
    height: 270px;
    margin-bottom: 80px; }
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