.block {
  padding: 118px 0;
  .b-title {
    position: relative;
    margin-bottom: 50px;
    font-size: 50px;
    line-height: 59px;
    text-align: center;
    color: #1F1F1F;
    &:after {
      content: '';
      position: absolute;
      top: 70px;
      left: 50%;
      width: 136px;
      height: 4px;
      transform: translateX(-50%);
      background: #1583FF;
    }
  }
  .intro {
    margin-bottom: 80px;
    font-size: 30px;
    text-align: center;
    color: #5B5B5E;
    line-height: 40px;
  }
}
.inner {
  width: 1400px;
  margin: 0 auto;
  &.lg {
    width: 1505px;
  }
}
.gray {
  background-color: #F2F6F8;
}