/*f服务与支持*/
.server-list {
  height: 750px;
  column-gap: 90px;
}
/*圆*/
.server-list .circular {
  height: 157px;
  width: 157px;
  border: 2px solid #353230;
  border-radius: 50%;
  margin: 0 auto;
}
.server-list li:nth-of-type(1) .icon {
  width: 35px;
  height: 35px;
}
.server-list li:nth-of-type(2) .icon {
  width: 39px;
  height: 41px;
}
.server-list li:nth-of-type(3) .icon {
  width: 38px;
  height: 36px;
}
.server-list li:nth-of-type(4) .icon {
  width: 39px;
  height: 32px;
}
.server-list .title {
  font-size: 18px;
  font-weight: bold;
  color: #353230;
  text-align: center;
  margin: 45px 0 31px 0;
}
.server-list .description {
  font-size: 15px;
  width: 233px;
  color: #686868;
}