/*
 * 定义公共变量
*/
.content .section-wrap {
  max-width: 600px;
  margin-bottom: 10%;
}
@media screen and (max-width: 767px) {
  .content .section-wrap {
    width: 91%;
    text-align: left;
  }
}
.content .section-wrap h3 {
  margin-top: 27%;
  margin-bottom: 18%;
  letter-spacing: 0;
}
.content .section-wrap .logo {
  width: 168px;
  margin-top: 13.8%;
}
@media screen and (max-width: 639px) {
  .content .section-wrap .logo {
    width: 120px;
    margin: 15% 0 3%;
  }
}
@media screen and (max-width: 767px) {
  .content .section-wrap .logo {
    margin: 13.8% 0 0;
  }
}
.content .section-wrap .logo img {
  display: block;
  height: 100%;
}
@media screen and (max-width: 639px) {
  .content .section-wrap .logo img {
    width: 100%;
    height: auto;
  }
}
.content .section-wrap h4 {
  margin-top: 6.4%;
  margin-bottom: 2.5%;
  font-weight: 600;
  font-size: 24px;
}
@media screen and (max-width: 639px) {
  .content .section-wrap h4 {
    margin-top: 3%;
    font-size: 20px;
  }
}
.content .section-wrap p {
  margin-bottom: 3.2%;
}
.content .section-wrap .business-title {
  margin-top: 27%;
}
.content .section-wrap .business-email {
  margin-top: 4%;
  letter-spacing: 1.3px;
  opacity: 0.8;
  font-weight: 600;
  font-size: 16px;
}