.banner {
  width: 100%;
  height: 670px;
  overflow: hidden;
  position: relative;
  top: 0;
  background: url('https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/support-services/bg1.png') no-repeat center;
  z-index: 9;
}



.banner-introduce {
  width: 646px;
  height: 122px;
  margin-top: 218px;
}

.banner-title {
  display: flex;
}

.banner-title img {
  width: 490px;
  margin-left: -10px;
}

/* menu */
.section-menu {
  width: 100%;
  height: 60px;
  line-height: 60px;
  background: #ffffff9e;
  box-shadow: 0 10px 20px 0 #0000000a;
}

.section-menu-fixed {
  position: fixed;
  top: 0px;
  left: 0;
  width: 100%;
  z-index: 99;
  background: #ffffff;
}

.section-menu .section-menu-ul {
  display: flex;
  width: 1160px;
  margin: 0 auto;
  position: relative;
}

.section-menu .section-menu-ul .section-menu-li {
  width: 232px;
  font-weight: 500;
  font-size: 18px;
  color: #333333;
  letter-spacing: 0;
  text-align: center;
  cursor: pointer;
  position: relative;
  z-index: 10;
}

.section-menu .section-menu-ul .section-menu-li-active {
  color: #FFFFFF;
}

.section-menu .section-menu-ul .menu-li-mask {
  background: linear-gradient(175deg, #9CD7FF 10%, #7ecbff00 100%), linear-gradient(214deg, #AFE7FF 0%, #7AB1FD 38%, #3FA0FA 81%);
  width: 232px;
  height: 60px;
  position: absolute;
  left: 0;
  z-index: 9;
}

/* main内容 */


.main-section-1 {
  width: 1160px;
  margin: 0 auto;
  padding-top: 120px;
}

.main-section-1 .section-title {
  font-weight: 600;
  font-size: 36px;
  color: #333333;
}

.main-section-1 .section-des {
  font-weight: 300;
  font-size: 16px;
  color: #333333;
  letter-spacing: 0;
  text-align: justify;
  line-height: 30px;
  margin-top: 27px;
}

.main-section-1 .section-guide {
  display: flex;
  justify-content: space-between;
  margin-top: 37px;
}

.main-section-1 .section-guide li {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.main-section-1 .section-guide li::after {
  position: absolute;
  content: '';
  width: 180px;
  height: 56px;
  background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/support-services/section1-jiantou.png) no-repeat;
  background-size: cover;
  left: 178px;
  top: 11px;
}

.main-section-1 .section-guide li:nth-child(4):after {
  position: absolute;
  content: '';
  background: none;
}

.main-section-1 .section-guide li .section1-icon {
  width: 100px;
  height: 100px;
}

.main-section-1 .section-guide li .section1-title {
  font-weight: 500;
  font-size: 22px;
  color: #333333;
  line-height: 30px;
}

.main-section-1 .section-guide li .section1-content {
  width: 200px;
  height: 144px;
  background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/support-services/section1-content-bg.png) no-repeat;
  background-size: cover;
  position: relative;
  margin-top: 24px;
  padding: 27px 5px 27px 42px;
  box-sizing: border-box;
  box-shadow: 0 10px 20px 0 #0000000a;
}

.main-section-1 .section-guide li .section1-content:nth-child(3) {
  padding: 27px 25px 27px 25px;
}

.main-section-1 .section-guide li .section1-content::before {
  position: absolute;
  content: '';
  width: 46px;
  height: 16px;
  background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/support-services/section1-icon-triangle.png) no-repeat;
  background-size: cover;
  left: 50%;
  top: -18px;
  transform: translateX(-50%);
}

.main-section-1 .section-guide li .section1-content .section1-item-des {
  font-weight: 300;
  font-size: 16px;
  color: #333333;
  margin-bottom: 12px;
  text-align: center;
}

.main-section-2 {
  width: 1160px;
  margin: 0 auto;
  padding-top: 180px;
}

.main-section-2 .section-title {
  width: 100%;
  height: 50px;
  font-weight: 600;
  font-size: 36px;
  color: #333333;
  letter-spacing: 0;
  overflow: hidden;
}

.main-section-2 .section-des {
  font-weight: 300;
  font-size: 16px;
  color: #333333;
  margin-top: 27px;
  margin-bottom: 60px;
}

.main-section-2 .section-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.main-section-2 .section-banner li {
  width: 360px;
  height: 342px;
  position: relative;
  border-radius: 8px;
  box-sizing: border-box;
  box-shadow: 0 10px 20px 0 #0000000a;
  background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/support-services/section2-content.png) no-repeat;
  background-size: 100% 100%;
}

.main-section-2 .section-banner li:nth-child(1)::after {
  content: '';
  position: absolute;
  width: 97px;
  height: 69px;
  background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/support-services/section2-icon1.png) no-repeat;
  background-size: 100% 100%;
  right: 19px;
  bottom: 5px;
}

.main-section-2 .section-banner li:nth-child(2)::after {
  content: '';
  position: absolute;
  width: 97px;
  height: 69px;
  background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/support-services/section2-icon2.png) no-repeat;
  background-size: 100% 100%;
  right: 19px;
  bottom: 5px;
}

.main-section-2 .section-banner li:nth-child(3)::after {
  content: '';
  position: absolute;
  width: 97px;
  height: 69px;
  background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/support-services/section2-icon3.png) no-repeat;
  background-size: 100% 100%;
  right: 19px;
  bottom: 5px;
}

.main-section-2 .section-banner2 li:nth-child(1)::after {
  content: '';
  position: absolute;
  width: 97px;
  height: 69px;
  background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/support-services/section2-icon4.png) no-repeat;
  background-size: 100% 100%;
  right: 19px;
  bottom: 5px;
}

.main-section-2 .section-banner2 li:nth-child(2)::after {
  content: '';
  position: absolute;
  width: 97px;
  height: 69px;
  background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/support-services/section2-icon5.png) no-repeat;
  background-size: 100% 100%;
  right: 19px;
  bottom: 5px;
}

.main-section-2 .section-banner2 li:nth-child(3)::after {
  content: '';
  position: absolute;
  width: 97px;
  height: 69px;
  background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/support-services/section2-icon6.png) no-repeat;
  background-size: 100% 100%;
  right: 19px;
  bottom: 5px;
}

.main-section-2 .section-banner li .section-banner-head {
  width: 358px;
  height: 100px;
  background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/support-services/section2-head.png) no-repeat;
  background-size: 100% 100%;
  font-weight: 500;
  font-size: 24px;
  line-height: 100px;
  color: #FFFFFF;
  letter-spacing: 0;
  text-align: center;
  box-sizing: border-box;
  margin: 0 auto;
}

.main-section-2 .section-banner li .section-banner-content {
  width: 360px;
  height: 272px;
  font-weight: 300;
  font-size: 16px;
  color: #5F5F5F;
  letter-spacing: 0;
  text-align: justify;
  line-height: 28px;
  box-sizing: border-box;
  padding: 28px 33px;
}

.main-section-3 {
  height: 840px;
  background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/support-services/section3-bg.png) no-repeat center;
  background-size: cover;
  margin-top: 180px;
  color: #ffffff;
}

.main-section-3 .section-box {
  width: 1160px;
  padding-top: 96px;
  margin: 0 auto;
}

.main-section-3 .section-title {
  font-weight: 600;
  font-size: 36px;
  color: #FFFFFF;
}

.main-section-3 .section-li {
  width: 590px;
}

.main-section-3 .section-li li {
  width: 560px;
  height: 100px;
  background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/support-services/section3-item-bg.png) no-repeat center;
  background-size: cover;
  border-radius: 8px 0 0 8px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  cursor: pointer;
}


.main-section-3 .section-guide {
  position: relative;
  margin-top: 60px;
  display: flex;
}

.main-section-3 .section-li-icon {
  width: 86px;
  height: 86px;
  margin: 7px 11px 7px 17px;
}

.main-section-3 .section-li-title {
  font-weight: 500;
  font-size: 22px;
  color: #FFFFFF;
  letter-spacing: 0;
}

.main-section-3 .section-li-des {
  font-weight: 300;
  font-size: 16px;
  color: #FFFFFF;
  letter-spacing: 0;
  margin-top: 2px;
}

.main-section-4 {
  height: 460px;
  background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/support-services/section4-bg.png) no-repeat center;
  background-size: cover;
  color: #ffffff;
}

.main-section-4 .section-box {
  width: 1160px;
  padding-top: 100px;
  margin: 0 auto;
}

.main-section-4 .section-title {
  font-weight: 600;
  font-size: 36px;
  color: #333333;
  letter-spacing: 0;
}

.main-section-4 .section-des {
  width: 779px;
  font-weight: 300;
  font-size: 16px;
  color: #5F5F5F;
  letter-spacing: 0;
  line-height: 30px;
  margin: 60px 0 40px;
}

.main-section-4 .section-btn {
  width: 150px;
  height: 46px;
  background: #0276FF;
  border-radius: 4px;
  line-height: 46px;
  text-align: center;
  cursor: pointer;
}

.main-section-4 .section-btn:hover {
  background: #3591FF;
}

.main-section-4 a {
  color: #FFFFFF;
  width: fit-content;
  display: inline-block;
}

.main-section-5 {
  background: #ffffff;
  margin-top: 180px;
}

.main-section-5 .section-box {
  width: 1160px;
  margin: 0 auto;
}

.main-section-5 .section-title {
  font-weight: 600;
  font-size: 36px;
  color: #333333;
  letter-spacing: 0;
  margin-bottom: 60px;
}

.main-section-5 .section-guide .section-li li {
  width: 1160px;
  margin-bottom: 30px;
  background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/support-services/section5-li-bg.png) no-repeat center;
  background-size: cover;
  padding: 42px 48px 37px 51px;
  box-sizing: border-box;
  box-shadow: 0 10px 20px 0 #0000000a;
}

.main-section-5 .section-guide .section-li li .section-li-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.main-section-5 .section-guide .section-li li .section-li-head .section-li-title {
  font-weight: 500;
  font-size: 22px;
  color: #333333;
}

.main-section-5 .section-guide .section-li li .section-li-head .section-li-time {
  font-weight: 300;
  font-size: 16px;
  color: #5F5F5F;
}

.main-section-5 .section-guide .section-li li .section-li-content {
  font-weight: 400;
  font-size: 16px;
  color: #5F5F5F;
  letter-spacing: 0;
  text-align: justify;
  line-height: 30px;
}

.main-section-5 .section-guide .section-li li .show-more {
  font-weight: 500;
  font-size: 16px;
  color: #0276FF;
  margin-top: 13px;
  cursor: pointer;
}

.main-section-5 .section-guide .section-li li .show-more:hover {
  color: #3591FF;
}

.main-section-5 .section-guide .know-more {
  width: 150px;
  height: 46px;
  border: 1px solid #0276FF;
  border-radius: 6px;
  margin: 60px auto;
  font-weight: 500;
  font-size: 18px;
  color: #0276FF;
  text-align: center;
  line-height: 46px;
  cursor: pointer;
}

.main-section-5 .section-guide .know-more:hover {
  border: 1px solid #3591FF;
}

.main-section-5 .section-guide a {
  color: #0276FF;
  display: inline-block;
  width: fit-content;
}

.main-section-5 .section-guide a:hover {
  color: #3591FF;
}

.free-service {
  margin-top: 0px;
}

nav {
  position: absolute;
}