.oma {
  font-family: light;
}
.oma .banner {
  background-image: url(../img/odm_analysis/banner.jpg);
  background-position: center;
  background-repeat: no-repeat;
  height: 356px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.oma .banner .banner-title {
  color: #fff;
  text-align: center;
}
.oma .banner .banner-title h2 {
  font-size: 36px;
  font-family: light;
}
.oma .banner .banner-title span {
  display: block;
  width: 79%;
  font-size: 18px;
  margin: auto;
  line-height: 1.9;
  margin-top: 10px;
  font-family: light;
}
.oma .content .briefly {
  width: 63%;
  margin: auto;
  text-align: center;
  font-size: 18px;
  line-height: 1.8;
}
.oma .content .briefly span {
  margin-top: 50px;
  margin-bottom: 50px;
  display: block;
  font-family: light;
}
.oma .content .step1 {
  background-color: #EEF6FB;
}
.oma .content .step-box {
  width: 69%;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  margin: auto;
}
.oma .content .step-box .numleft {
  font-size: 125px;
  color: #3DB6FF;
}
.oma .content .step-box .numleft span {
  font-family: light;
}
.oma .content .step-box .content-box {
  margin-top: 50px;
}
.oma .content .step-box .content-box .step-content {
  width: 80%;
  margin-left: 45px;
  padding-left: 25px;
  border-left: 2px solid #3DB6FF;
}
.oma .content .step-box .content-box .step-content .step-title {
  color: #3DB6FF;
  font-size: 32px;
  font-family: light;
}
.oma .content .step-box .content-box .step-content .substance p {
  color: #333333;
  font-size: 18px;
  font-family: light;
  margin: 15px 0;
  line-height: 1.8;
}
.oma .content .step-box .content-box .step-content .pro {
  margin: 20px 0 60px;
}
.oma .content .step-box .content-box .step-content .pro img {
  max-width: 100%;
  max-height: 100%;
  width: inherit;
}
.oma .content .bottom-banner {
  background-color: #F5F5F5;
  text-align: center;
}
.oma .content .bottom-banner .about {
  width: 55%;
  display: block;
  margin: auto;
  font-size: 18px;
  font-family: light;
  padding-top: 50px;
  line-height: 1.7;
}
.oma .content .bottom-banner .contact-us {
  display: block;
  padding-bottom: 50px;
  font-size: 18px;
  padding-top: 5px;
  font-family: light;
}
.oma .content .bottom-banner .contact-us a {
  color: #3DB6FF;
  font-size: 18px;
  font-family: light;
  text-decoration: underline;
}
@media (max-width: 767px) {
  .oma .banner .banner-title h2 {
    font-size: 32px;
  }
  .oma .banner .banner-title span {
    font-size: 16px;
  }
  .oma .content .briefly {
    font-size: 16px;
  }
  .oma .content .briefly span {
    margin-top: 65px;
  }
  .oma .content .step-box {
    width: 85%;
  }
  .oma .content .step-box .numleft {
    font-size: 60px;
  }
  .oma .content .step-box .content-box {
    margin-top: 24px;
  }
  .oma .content .step-box .content-box .step-content .step-title {
    font-size: 24px;
  }
  .oma .content .step-box .content-box .step-content .substance p {
    font-size: 16px;
  }
  .oma .content .bottom-banner .about {
    font-size: 20px;
  }
  .oma .content .bottom-banner .contact-us {
    font-size: 18px;
  }
  .oma .content .bottom-banner .contact-us a {
    font-size: 18px;
  }
}
@media (max-width: 500px) {
  .oma .content .briefly {
    width: 90%;
  }
  .oma .content .briefly span {
    margin-top: 35px;
  }
  .oma .content .step-box {
    width: 85%;
  }
  .oma .content .step-box .numleft {
    font-size: 60px;
  }
  .oma .content .step-box .content-box {
    margin-top: 24px;
  }
  .oma .content .step-box .content-box .step-content {
    width: 100%;
    margin-left: 10px;
    padding-left: 15px;
    border-left: 2px solid #3DB6FF;
  }
  .oma .content .step-box .content-box .step-content .substance p {
    font-size: 16px;
  }
  .oma .content .bottom-banner .about {
    width: 90%;
  }
}