header {
  padding-bottom: 62px;
}
.page {
  padding: 0 13%;
}

.container-header .title {
  font-size: 36px;
  font-weight: 700;
  color: #000;
  padding: 100px 0;
}

/* 参照标准 */
.reference-standard {
  background-color: #f3f6f7;
}
.standard-item {
  width: 47%;
  margin: 0 6% 6% 0;
  border-radius: 20px;
  background-color: #fff;
  padding: 4% 7%;
  text-align: center;
}
.standard-item:nth-child(2n) {
  margin-right: 0;
}
.standard-item h4 {
  margin: 28px 0 20px;
  color: var(--primary-color);
  font-weight: 700;
}
.standard-item p {
  color: #666;
  font-size: 16px;
}

/* 案例图片 */
.example {
  padding-bottom: 240px;
}
.example p {
  margin-top: 26px;
  font-size: 16px;
}
.example-img-item {
  width: 32%;
  padding: 2%;
  margin-right: 2%;
  border-radius: 30px;
  box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.25);
  background: rgba(255, 255, 255, 1);
}

.example-img-item img {
  border-radius: 30px;
}

.example-img-item:nth-child(3n) {
  margin-right: 0;
}

@media (max-width: 1200px) {
  .page {
    padding: 0 6%;
  }
}

@media (max-width: 992px) {
  .container-header .title {
    padding: 50px 0;
  }
}

@media (max-width: 768px) {
  .container-header .title {
    padding: 30px 0;
    font-size: 18px;
  }
  .standard-item {
    width: 100%;
    margin: 0 0 20px 0;
    border-radius: 10px;
  }
  .standard-item h4 {
    font-size: 16px;
  }
  .standard-item p {
    font-size: 12px;
  }
  .example {
    padding-bottom: 50px;
  }
  .example p {
    font-size: 12px;
    margin-top: 12px;
  }
  .example-img-item {
    width: 48%;
    margin: 0 4% 4% 0;
  }
  .example-img-item:nth-child(2n) {
    margin-right: 0;
  }
}