.summarize,
.demand,
.scheme,
.case {
  color: #333;
}

.summarize .container,
.demand .container,
.scheme .container,
.case .container {
  padding: 60px 0;
}

.summarize .container h2,
.demand .container h2,
.scheme .container h2,
.case .container h2 {
  text-align: center;
}

.szgd-head {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.szgd-head img,
.demand img,
.scheme img,
.case img {
  object-fit: contain;
  width: 100%;
  height: 100%
}

.szgd-head .introduction {
  position: absolute;
  top: 50%-90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}

.szgd-head .introduction h2 {
  font-weight: 700;
}

.summarize {
  background-color: #f9fafc;
  border-bottom: 1px solid #f1f1f1;
}

.summarize .container p {
  text-indent: 2em;
  padding: 0 10px;

  white-space: normal;
  word-break: break-all;
  word-wrap: break-word;
}

.demand {
  text-align: center;
  border-bottom: 1px solid #f1f1f1;
}

.scheme {
  background-color: #f9fafc;
  border-bottom: 1px solid #f1f1f1;
}

.scheme .row {
  margin-top: 40px;
}

.scheme .row>div {
  padding: 0 60px;
  margin-bottom: 30px;
}

.case {
  background-color: #f7f9ff;
}

.case .case-content {
  height: 260px;
}

/* .case .case-content h4 {
  font-weight: 700;
  text-align: center;
} */

.case .case-content p {
  padding: 0 10px;
  line-height: 35px;
}


@media screen and (max-width:1439px) {}

@media screen and (max-width:1209px) {}

@media screen and (max-width:767px) {
  .szgd-head {
    height: 200px;
  }

  .szgd-head img {
    object-fit: fill;
    width: 100%;
  }

  .case .row>div {
    padding: 0 60px;
    margin-bottom: 15px;
    background-color: #fff;

  }

  .case .case-content {
    height: 180px;

  }

  .case .case-content p {
    padding: 0 10px;
    line-height: 24px;
  }
}

/* 
@media screen and (max-width:500px) {
  h2 {
    font-size: 15px;
  }

  h4 {
    font-size: 14px;
  }

  .szgd-head .introduction {
    height: 120px;
  }

  .szgd-head .introduction h1 {
    font-size: 22px;
  }

  .szgd-head .introduction p {
    font-size: 12px;
  }

  .szgd-head .introduction button {
    font-size: 12px;
  }

  .summarize .container p {
    font-size: 12px;
    line-height: 25px;
  }

  .demand img {
    width: 380px;
  }

  .scheme .row div {
    padding: 0 60px;
  }

  .case .row>div {
    padding: 0 60px;
    margin-bottom: 30px;
  }

  .case .row .case-content p {
    font-size: 12px;
  }
} */