.section1 {
  height: 724px;
  position: relative;
}
.section1 .inline {
  width: 1200px;
  margin: 0 auto;
  padding-top: 208px;
  position: relative;
  z-index: 2;
}
.section1 .desc {
  padding-top: 35px;
  color: #fff;
  font-size: 24px;
  line-height: 45px;
}
.section1 .inline .title1,.title2 {
  font-size: 60px;
  color: #303030;
  text-align: left;
  line-height: 100px;
}

.section2 .title,
.section3 .title,
.section4 .title {
  text-align: center;
  padding-top: 100px;
  font-size: 35px;
  font-weight: normal;
}

.section2 .desc {
  padding-top: 30px;
  color: #7B7D85;
  font-size: 18px;
}
.section2 .tools {
  width: 1200px;
  margin: 125px auto 140px;
}
.section2 .tools .tools-container {
  overflow: hidden;
}
.section2 .tools .tools-container .tools-item {
  width: 50%;
  float: left;
  margin-bottom: 82px;
}
.section2 .tools .tools-container .tools-item .icon {
  width: 90px;
  height: 90px;
  display: inline-block;
  vertical-align: top;
  margin-right: 28px;
}
.section2 .tools .tools-container .tools-item .icon img{
  width: 90px;
  height: 90px;
}
.section2 .tools .tools-container .tools-item span {
  font-size: 24px;
  color: #2E334E;
  width: 430px;
  display: inline-block;
  line-height: 36px;
  padding-top: 27px;
}

.section3 {
  background: #f9fbfc;
}
.section3 .desc {
  padding-top: 29px;
  color: #7B7D85;
  font-size: 18px;
}
.section3 .tools {
  padding-bottom: 58px;
  margin-bottom: 0;
}

.section4 {
  background: #fff;
}
.section4 .desc {
  padding-top: 29px;
  color: #7B7D85;
  font-size: 18px;
}
.section4 .tools {
  padding-bottom: 58px;
  margin-bottom: 0;
}
.section4 .tools .tools-container .tools-item {
  width: 100%;
}
.section4 .tools .tools-container .tools-item span {
  width: 848px;
  white-space: nowrap;
}