.bannder {
  height: 594px;
  position: relative;
  min-width: 1200px;
  margin: 0 auto;
  max-width: 1920px;
}
.bannder .bannder-img {
  width: auto;
  height: 100%;
  /* margin: 0 auto; */
  display: block;
  position: absolute;
  top: 0;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
}
.section-1 {
  height: 506px;
  max-width: 100%;
  min-width: 1200px;
  background: #fff;
}
.section-1 .group {
  margin-top: 60px;
}
.section-1 .group .item {
  width: 230px;
}
.section-1 .group .item .img {
  width: 74px;
  height: 72px;
}
.section-1 .group .item .title {
  margin-top: 23px;
  font-size: 20px;
  color: #111;
  line-height: 28px;
  text-align: center;
}
.section-1 .group .item .desc {
  margin-top: 7px;
  font-size: 15px;
  color: #666;
  line-height: 28px;
  text-align: center;
}
.section-2 {
  height: 821px;
  max-width: 100%;
  min-width: 1200px;
  background: #F8FBFF;
}
.section-2 .img {
  width: 1200px;
  height: 517px;
  margin-top: 60px;
}
.section-3 {
  height: 905px;
  max-width: 100%;
  min-width: 1200px;
  background: url(/static/index/img/erp_io/section-3-bg.png) no-repeat;
  background-size: 100% 100%;
}
.section-3 .center .title {
  color: #fff;
}
.section-3 .center .desc {
  color: #DDE7FF;
}
.section-3 .group {
  position: relative;
  margin: 60px auto 0;
  height: 673px;
}
.section-3 .group .item {
  background-size: 100% 100%;
}
.section-3 .group .border1 {
  background: url(/static/index/img/erp_io/section-3-border-1.png) no-repeat;
}
.section-3 .group .border2 {
  background: url(/static/index/img/erp_io/section-3-border-2.png) no-repeat;
}
.section-3 .group .top {
  position: absolute;
  width: 360px;
  height: 130px;
  left: calc((100% - 360px) / 2);
  top: 0;
}
.section-3 .group .left-top {
  position: absolute;
  width: 240px;
  height: 160px;
  left: 0;
  top: 130px;
}
.section-3 .group .right-top {
  position: absolute;
  width: 240px;
  height: 160px;
  right: 0;
  top: 130px;
}
.section-3 .group .left-bottom {
  position: absolute;
  width: 240px;
  height: 160px;
  left: 0;
  top: 390px;
}
.section-3 .group .right-bottom {
  position: absolute;
  width: 240px;
  height: 160px;
  right: 0;
  top: 390px;
}
.section-3 .group .item .img {
  width: 44px;
  height: 44px;
  margin: 17px 0 0 18px;
}
.section-3 .group .item .text-box {
  margin: 20px 17px 0 16px;
}
.section-3 .group .item .title {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  line-height: 28px;
}
.section-3 .group .item .desc {
  margin-top: 6px;
  font-size: 16px;
  color: #fff;
  line-height: 28px;
}
.section-4 {
  height: 663px;
  max-width: 100%;
  min-width: 1200px;
  background: #fff;
}
.section-4 .group {
  margin-top: 60px;
}
.section-4 .group .item1 {
  width: 493px;
  height: 356px;
  background: url(/static/index/img/erp_io/section-4-1.png) no-repeat;
  background-size: 100% 100%;
}
.section-4 .group .item2 {
  width: 168px;
  height: 356px;
  background: url(/static/index/img/erp_io/section-4-2.png) no-repeat;
  background-size: 100% 100%;
}
.section-4 .group .item3 {
  width: 168px;
  height: 356px;
  background: url(/static/index/img/erp_io/section-4-3.png) no-repeat;
  background-size: 100% 100%;
}
.section-4 .group .item4 {
  width: 168px;
  height: 356px;
  background: url(/static/index/img/erp_io/section-4-4.png) no-repeat;
  background-size: 100% 100%;
}
.section-4 .group .item5 {
  width: 168px;
  height: 356px;
  background: url(/static/index/img/erp_io/section-4-5.png) no-repeat;
  background-size: 100% 100%;
}
.section-4 .group .name {
  margin: 265px 0 0 47px;
  font-size: 20px;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 26px;
}
.section-4 .group .item1 .name {
  margin: 223px 0 0 47px;
  font-size: 20px;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 26px;
}
.section-4 .group .desc {
  margin: 14px 0 0 47px;
  font-size: 16px;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 28px;
}

.section-5 {
  height: 406px;
  max-width: 100%;
  min-width: 1200px;
  background: url(/static/index/img/erp_io/section-5-bg.png) no-repeat;
  background-size: 100% 100%;
}
.section-5 .group {
  margin-top: 60px;
}
.section-5 .group .item {
  width: 230px;
}
.section-5 .group .item .title {
  font-size: 60px;
  color: #2D66FF;
  font-weight: 700;
}
.section-5 .group .item .symbol {
  font-size: 40px;
  color: #2D66FF;
}
.section-5 .group .item .symbol2 {
  font-size: 30px;
  color: #2D66FF;
}
.section-5 .group .item .desc {
  font-size: 20px;
  color: #111;
  line-height: 28px;
  text-align: center;
}
.center {
  text-align: center;
}
.center .title {
  font-size: 32px;
  color: #111;
  font-family: Microsoft YaHei;
  font-weight: 700;
}
.center .desc {
  margin-top: 27px;
  color: #666;
  font-size: 16px;
  line-height: 28px;
}
.wrap {
  width: 1200px;
  /* 上=75px 左右=auto 下=0 */
  margin: 0 auto; 
  padding-top: 75px;
  overflow: hidden;
}
.wrap-no-hidden {
  width: 1200px;
  margin: 0 auto;
}
.flex-col {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  flex-direction: column;
}
.flex-row {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  flex-direction: row;
}
.justify-between {
  display: flex;
  justify-content: space-between;
}
.flex-start {
  display: flex;
  justify-content: flex-start;
}
.align-center {
  display: flex;
  align-items: center;
}