.main-body {
  width: 100%;
  min-width: 1280px;
}

/* nav begin */
.g-nav {
  width: 100%;
  height: 64px;
  background: #343544;
}
.nav-wrap {
  width: 1280px;
  height: 64px;
  margin: 0 auto;
  padding: 0 90px;
}
.nav-wrap__left img {
  height: 33px;
}
.nav-wrap__right li {
  height: 64px;
  border-radius: 2px;
  margin-left: 30px;
  padding-top: 20px;
}
.nav-wrap__right .nav-active .nav-bottom-line,
.nav-wrap__right .nav-active a,
.nav-wrap__right li:hover .nav-bottom-line,
.nav-wrap__right li:hover a {
  display: flex;
  color: #56b282;
}
.nav-wrap__right a {
  font-size: 18px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #ffffff;
  line-height: 25px;
  letter-spacing: 2px;
  text-decoration: none;
}
.nav-bottom-line {
  display: none;
  background: #56b282;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  margin-top: 6px;
}

/* header begin */
.g-header {
  width: 100%;
  height: 407px;
  background: url(../images/index-head-cover.png) no-repeat;
  background-position: center;
  background-size: cover;
}
.index-wrap img:nth-child(1) {
  margin-top: 98px;
}
.index-wrap img:nth-child(2) {
  margin-top: 10px;
}
.index-wrap a {
  width: 203px;
  height: 56px;
  background: #56b282;
  border-radius: 12px;
  text-decoration: none;
  cursor: pointer;
  margin-top: 20px;
}
.index-wrap button {
  font-size: 20px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #ffffff;
  line-height: 28px;
  cursor: pointer;
}

/* g-check begin */
.g-check {
  height: 352px;
  width: 100%;
  background: #56b282;
}
.g-check-cover {
  width: 100%;
  position: absolute;
  max-width: 1920px;
  min-width: 1280px;
  margin-top: 35px;
}
.g-check__wrap {
  width: 1280px;
  margin-top: 35px;
}
.check-wrap__left img:nth-child(1) {
  width: 231px;
  height: 72px;
  margin: 31px 0 0 199px;
}
.check-wrap__left img:nth-child(2) {
  width: 216px;
  height: 86px;
  margin: 11px 0 0 311px;
}
.check-wrap__right {
  padding-left: 54px;
}
.check-wrap__right label {
  font-size: 32px;
  font-family: AlibabaPuHuiTiH;
  color: #ffffff;
  line-height: 44px;
  margin-top: 54px;
}
.check-wrap__right span {
  font-size: 22px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #ffffff;
  line-height: 30px;
  margin-top: 10px;
}
.check-wrap__right .subtitle li {
  text-decoration: none;
  list-style: none;
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #ffffff;
  line-height: 20px;
  margin-right: 24px;
}
.check-wrap__right .subtitle {
  margin-top: 10px;
}
.check-wrap__right a {
  font-size: 18px;
  width: 75px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #f7c4a5;
  line-height: 25px;
  margin-top: 10px;
  text-decoration: none;
  border-bottom: 2px solid #f7c4a5;
}

/* feature */
.g-feature {
  width: 100%;
  height: 250px;
  background: #343544;
}
.g-feature__wrap {
  width: 1280px;
}
.section-head {
  margin-top: 68px;
}
.section-head .side-divider {
  background: #ffffff;
  width: 174px;
  height: 2px;
  border-radius: 1px;
}
.section-head span {
  font-size: 20px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #ffffff;
  line-height: 28px;
  margin: 0 10px;
}
.feature-list {
  padding-top: 40px;
}
.feature-item {
  width: 320px;
  margin: 0 20px;
}
.feature-item img {
  width: 72px;
  height: 72px;
  margin-right: 10px;
}
.feature-item__wrap {
  flex: 1;
}
.feature-item__wrap span {
  font-size: 20px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #ffffff;
  line-height: 28px;
}
.feature-item__wrap label {
  font-size: 16px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #ffffff;
  line-height: 22px;
  margin-top: 20px;
}

/* sample */
.g-sample {
  width: 100%;
  height: 644px;
  background: #343544;
  margin-top: -1px;
}
.g-sample__wrap {
  width: 1280px;
}
.sample-title {
  margin-top: 68px;
  margin-bottom: 16px;
}
.sample-title img {
  height: 45px;
  margin-right: 4px;
}
.sample-title span {
  font-size: 38px;
  font-family: AlibabaPuHuiTi_Medium;
  color: #c82c37;
  line-height: 53px;
  letter-spacing: 3px;
}
.sample-side {
  position: relative;
  right: 466px;
  bottom: 380px;
}
.sample-side li {
  list-style: none;
  margin-bottom: 36px;
}
.sample-side li a {
  font-size: 16px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #ffffff;
  line-height: 22px;
  text-decoration: none;
}
.sample-side-acitve a,
.sample-side li a:hover {
  color: #ffffff !important;
  border-bottom: 2px solid #ffffff;
}
.sample-frame {
  width: 740px;
  height: 441px;
  background-size: contain !important;
  margin-top: 40px;
}
.sample-report__wrap {
  width: 680px;
  height: 373px;
  margin-top: 29px;
  overflow: hidden;
  overflow-y: scroll;
}
.sample-report__wrap img {
  width: 100%;
  height: auto;
}

/* footer begin */
.g-footer {
  width: 100%;
  height: 216px;
  background: #343544;
}
.g-footer__wrap {
  width: 1000px;
  height: 100%;
}
.footer-head {
  height: 165px;
  margin: 0 auto;
  width: 900px;
}
.footer-head__link {
  max-width: 400px;
}
.footer_kefu {
  margin-right: 70px;
}
.footer-head__item div {
  font-size: 14px;
  font-family: PingFangSC-Medium, PingFangSC-Regular;
  font-weight: 500;
  color: #ffffff;
  line-height: 20px;
  margin-top: 19px;
}
.footer-head__item a {
  text-decoration: none;
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFangSC-Regular;
  font-weight: 400;
  color: #ffffff;
  line-height: 17px;
  margin-top: 19px;
}
.footer-head__about {
  display: flex;
  flex-direction: column;
}
.footer-head__about p {
  font-size: 14px;
  font-family: PingFangSC-Medium, PingFangSC-Regular;
  font-weight: 500;
  color: #ffffff;
  line-height: 20px;
}
.footer-head__about span {
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFangSC-Regular;
  font-weight: 400;
  color: #ffffff;
  line-height: 17px;
}
.footer-divider {
  width: 900px;
  height: 1px;
  background-color: #ffffff;
  margin: 0 auto;
}
.footer-bottom {
  height: 50px;
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #ffffff;
  line-height: 17px;
}
.footer-bottom a {
  color: #ffffff;
  text-decoration: none;
}