header.header .hero.is-dark{
  background:transparent;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
}
nav.navbar{
  background-color: transparent;
}
header.header{
  background:none;
}
.hidden {
  display: none;
}
.btn-primary {
  color: #fff;
  background: #00aa72;
  opacity: 1;
  padding: 11px 24px;
  border: 1px solid #009c68;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.5s ease;
  text-decoration: none;
}
.btn-primary:hover {
  background: #009c68;
  color: #fff;
}
body {
  min-width: 1200px;
  font-family: "SF Pro SC", "SF Pro Display", "SF Pro Icons", "PingFang SC", BlinkMacSystemFont, -apple-system, "Segoe UI", "Microsoft Yahei", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", "Helvetica", "Arial";
}
body .wrap a {
  text-decoration: none;
  cursor: pointer;
}
body .wrap .sign {
  width: 64px;
  height: 46px;
  line-height: 46px;
  margin-top: 27px;
  display: inline-block;
  text-align: center;
  opacity: 0.65;
  border-radius: 4px;
  cursor: pointer;
}
body .wrap .sign-in {
  background: rgba(255,255,255,0.07);
  color: #fff;
  border-radius: 4px;
}
body .wrap .sign-in:hover {
  background: rgba(255,255,255,0.2);
}
body .wrap .sign-up {
  color: #fff;
  background: #00a971;
  opacity: 1;
  margin-left: 16px;
}
body .wrap .sign-up:hover {
  background: #009c68;
}
body .wrap .area-title {
  height: 45px;
  line-height: 45px;
  text-align: center;
  font-size: 32px;
  color: #3e464c;
  font-weight: 500;
}
body .wrap .leader-bg {
  width: 100%;
  height: 500px;
  background: #3c3843;
  background-image: url("../images/banner.jpg");
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
}
body .wrap .leader-bg .header {
  width: 1160px;
  height: 100px;
  margin: 0 auto;
  overflow: visible;
}
body .wrap .leader-bg .header .logo-area {
  width: 261px;
  height: 100px;
  line-height: 100px;
  float: left;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}
body .wrap .leader-bg .header .logo-area .logo-img {
  width: 168px;
  height: 36px;
  background: url("../images/qingcloudlogo.svg") no-repeat;
}
body .wrap .leader-bg .header .nav-bar {
  height: 100px;
  float: left;
  display: flex;
  list-style-type: none;
}
body .wrap .leader-bg .header .nav-bar .nav-items {
  display: block;
  position: relative;
  height: 100px;
  line-height: 100px;
  font-size: 16px;
  margin-left: 24px;
  cursor: pointer;
}
body .wrap .leader-bg .header .nav-bar .nav-items:hover > ul {
  display: block;
}
body .wrap .leader-bg .header .nav-bar .nav-items .items {
  display: none;
  position: absolute;
  left: -60px;
  top: 75px;
  background: #57b382;
  padding: 0;
  margin: 0;
  width: 150px;
  z-index: 101;
  list-style-type: none;
}
body .wrap .leader-bg .header .nav-bar .nav-items .items:before {
  content: '';
  border-width: 6px;
  border-style: solid;
  border-color: transparent transparent #57b382;
  position: absolute;
  left: 69px;
  top: -12px;
}
body .wrap .leader-bg .header .nav-bar .nav-items .items li {
  margin: 0;
  padding: 0;
}
body .wrap .leader-bg .header .nav-bar .nav-items .items li:hover {
  background: #4ba575;
}
body .wrap .leader-bg .header .nav-bar .nav-items .items a {
  color: #fff;
  display: block;
  padding: 4px 19px;
  text-align: left;
  line-height: 32px;
  font-size: 14px;
}
body .wrap .leader-bg .header .btns {
  padding-left: 20px;
}
body .wrap .leader-bg .banner-container {
  width: 1160px;
  margin: 36px auto 0;
}
body .wrap .leader-bg .banner-container .banner-title {
  text-align: center;
  font-weight: 400;
  font-size: 40px;
}
body .wrap .overview {
  width: 960px;
  margin: 60px auto;
  color: #6d6f8b;
  line-height: 28px;
}
body .wrap .review {
  width: 960px;
  margin: 60px auto;
  text-align: center;
  background: #fff;
}
body .wrap .review .review-title {
  margin: 40px 0;
}
body .wrap .review .review-title span {
  position: relative;
  padding: 0 40px;
  font-size: 32px;
  color: #3e464c;
}
body .wrap .review .review-title span:before {
  content: ' ';
  position: absolute;
  height: 1px;
  width: 307px;
  top: 23px;
  right: 310px;
  background-color: #4ba675;
}
body .wrap .review .review-title span:after {
  content: ' ';
  position: absolute;
  height: 1px;
  width: 307px;
  top: 23px;
  left: 310px;
  background-color: #4ba675;
}
body .wrap .review .video-wrapper {
   line-height: 1em;
}
body .wrap .review .video-wrapper video {
  width: 960px;
  height: 556px;
  background: #000;
}
body .wrap .review .download-link {
  margin-top: 20px;
}
body .wrap .review .download-link a {
  color: #00aa72;
  line-height: 30px;
  text-decoration: none;
}
body .wrap #navigation {
  height: 60px;
  text-align: center;
}
body .wrap #navigation .item {
  width: 140px;
  display: inline-block;
  line-height: 60px;
  margin: -1px 100px 0;
  cursor: pointer;
  transition: all 0.5s ease;
  border-bottom: 1px solid transparent;
}
body .wrap #navigation .item .item-title {
  color: #68757f;
}
body .wrap #navigation .item.active {
  border-bottom: 1px solid #57b382;
}
body .wrap #navigation .item.active .item-title {
  color: #57b382;
}
body .wrap #navigation .item:hover .item-title {
  color: #57b382;
}
body .wrap #navigation-scroll {
  height: 60px;
  width: 100%;
  background: #fff;
  text-align: center;
  box-shadow: 0 6px 12px 0 rgba(104,116,127,0.04), 0 3px 8px 0 rgba(0,0,0,0.05);
  position: fixed;
  top: 0;
  z-index: 10;
}
body .wrap #navigation-scroll .item {
  width: 140px;
  display: inline-block;
  cursor: pointer;
  margin: 0 100px;
  transition: all 0.5s ease;
  border-bottom: 1px solid transparent;
}
body .wrap #navigation-scroll .item .item-title {
  padding: 15px 0;
  color: #68757f;
}
body .wrap #navigation-scroll .item.active {
  border-bottom: 1px solid #57b382;
}
body .wrap #navigation-scroll .item.active .item-title {
  color: #57b382;
}
body .wrap #navigation-scroll .item:hover .item-title {
  color: #57b382;
}
body .wrap .feature {
  padding: 80px 0 40px;
  background-color: #f5f9fa;
}
body .wrap .feature .feature-describe {
  width: 760px;
  margin: 20px auto;
  text-align: center;
}
body .wrap .feature .feature-describe p {
  color: #68747f;
  line-height: 30px;
   margin-bottom: 30px;
}
body .wrap .feature .feature-describe a {
}
body .wrap .feature .feature-detail {
  padding-top: 50px;
}
body .wrap .feature .feature-detail .feature-item {
  width: 760px;
  margin: 20px auto;
  padding-bottom: 40px;
}
body .wrap .feature .feature-detail .feature-item .item-left {
  float: left;
  width: 34px;
}
body .wrap .feature .feature-detail .feature-item .item-right {
  margin-left: 60px;
}
body .wrap .feature .feature-detail .feature-item .item-right h3 {
  color: #68747f;
  line-height: 22px;
  padding-bottom: 10px;
}
.feature-detail .feature-item .item-right ul{
  list-style: none;
  padding: 0;
  margin: 0;
}
body .wrap .feature .feature-detail .feature-item .item-right ul li {
  color: #a1a6ab;
  font-size: 14px;
  line-height: 24px;
  padding-left: 25px;
  position: relative;
}
.feature-detail .feature-item .item-right ul li::before {
    content: "";
    position: absolute;
    width: 5px;
    height: 5px;
    left: 5px;
    top: 10px;
    border-radius: 50%;
    background: #00A971;
}
body .wrap .feature .feature-detail .feature-item .item-right span {
  font-size: 14px;
  display: inline-block;
  color: #a1a6ab;
  padding: 14px 0;
}
body .wrap .feature .feature-detail .feature-item .item-right a {
  font-size: 14px;
  display: inline-block;
  color: #00a971;
  padding-top: 20px;
}
body .wrap .feature .feature-detail .feature-item .item-right table {
  padding: 10px 0;
  border-collapse: collapse;
}
body .wrap .feature .feature-detail .feature-item .item-right table th,
body .wrap .feature .feature-detail .feature-item .item-right table td {
  width: 330px;
  height: 22px;
  box-sizing: border-box;
  background: #fff;
  border: 1px solid #ddd;
  text-align: left;
  padding-left: 40px;
  line-height: 42px;
  color: #68747f;
  font-size: 14px;
}
body .wrap .feature .feature-detail .feature-item .item-right table th {
  font-weight: bold;
}
body .wrap .footer-bg {
  background: #3c3843;
}
body .wrap .footer-bg .footer {
  width: 1160px;
  overflow: hidden;
  margin: 0 auto;
  padding-bottom: 100px;
}
body .wrap .footer-bg .footer .useit-list {
  width: 920px;
  margin-top: 36px;
  float: left;
  display: flex;
}
body .wrap .footer-bg .footer .useit-list .useit-column {
  flex: 1;
}
body .wrap .footer-bg .footer .useit-list .useit-column span,
body .wrap .footer-bg .footer .useit-list .useit-column a {
  color: rgba(255,255,255,0.4);
}
body .wrap .footer-bg .footer .useit-list .useit-column span:hover,
body .wrap .footer-bg .footer .useit-list .useit-column a:hover {
  color: #fff;
}
body .wrap .footer-bg .footer .useit-list .useit-column ul {
  margin-top: 20px;
  list-style-type: none;
}
body .wrap .footer-bg .footer .useit-list .useit-column ul li {
  height: 22px;
  margin-top: 8px;
}
body .wrap .footer-bg .footer .useit-list .useit-column-spe {
  flex: 1;
  opacity: 1;
}
body .wrap .footer-bg .footer .useit-list .useit-column-spe a {
  color: rgba(255,255,255,0.4);
}
body .wrap .footer-bg .footer .useit-list .useit-column-spe li:hover {
  opacity: 1;
}
body .wrap .footer-bg .footer .useit-copyright {
  float: right;
  margin-top: 36px;
}
body .wrap .footer-bg .footer .useit-copyright p {
  margin-top: 31px;
  color: rgba(255,255,255,0.4);
}
body .wrap .footer-bg .footer .icon-twitter {
  width: 75px;
  height: 19px;
  padding-left: 20px;
  background: url("../images/twitter.svg") no-repeat 0px 2px;
  cursor: pointer;
}
body .wrap .footer-bg .footer .icon-twitter::before {
  content: 'Twitter';
}
body .wrap .footer-bg .footer .icon-weibo {
  background: url("../images/weibo.svg") no-repeat 0px 5px;
}
body .wrap .footer-bg .footer .icon-weibo::before {
  content: '鏂版氮寰崥';
}
body .wrap .footer-bg .footer .icon-mail {
  background: url("../images/mail.svg") no-repeat 0px 7px;
}
body .wrap .footer-bg .footer .icon-mail::before {
  content: '閭';
}
body .wrap .footer-bg .footer .icon-qingcloudlogo2 {
  width: 111px;
  height: 84px;
  display: block;
  background: url("../images/qingcloudlogo2.svg") no-repeat;
}
body .wrap .review .video-wrapper {
  width: 960px;
  margin: 0 auto;
  font-size: 0;
}
body .wrap .review .video-wrapper video {
  width: 960px;
  height: 540px;
  background: #000;
}
body .wrap .review .video-wrapper .video-control {
  list-style: none;
  list-style-type: none;
  padding: 0;
  margin: 0;
}
body .wrap .review .video-wrapper .video-control .video-option {
  float: left;
  width: 192px;
  height: 44px;
  background-color: #443d4e;
  border-left: 1px solid transparent;
  border-right: 1px solid transparent;
  cursor: pointer;
}
body .wrap .review .video-wrapper .video-control .video-option span {
  font-size: 14px;
  line-height: 20px;
  color: #fff;
  display: inline-block;
  width: 190px;
  margin: 12px 0;
  border-right: 1px solid #6f6480;
}
body .wrap .review .video-wrapper .video-control .video-option:last-child span {
  border-right: none;
}
body .wrap .review .video-wrapper .video-control .video-option.active {
  background-image: -webkit-linear-gradient(to left, #19895f, #146c4f);
  background-image: linear-gradient(to left, #19895f, #146c4f);
  cursor: default;
}
body .wrap .review .download-link {
  margin-top: 20px;
}
body .wrap .review .download-link a {
  color: #00aa72;
  line-height: 30px;
  text-decoration: none;
}
.clearfix:after {
    content: ' ';
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}