.core-platform .banner {
  position: relative;
  box-sizing: border-box;
  height: 548px;
  margin: 0 auto;
  padding-top: 72px;
  color: #fff;
  background-image: linear-gradient(0deg, #00254E 0%, #02112E 100%);
}
.core-platform .banner .banner-text {
  color: #fff;
}
.core-platform .banner .banner-text div {
  margin-top: 90px;
  margin-bottom: 24px;
  color: #fff;
  font-size: 26px;
  line-height: 26px;
  text-align: left;
}
.core-platform .banner .banner-text h2 {
  margin-bottom: 20px;
  color: #fff;
  font-size: 48px;
  line-height: 48px;
  text-align: left;
}
.core-platform .banner .banner-text p {
  color: #fff;
  font-size: 24px;
  line-height: 24px;
  letter-spacing: 5px;
  text-align: left;
  opacity: 0.25;
}
.core-platform .banner .banner-outline {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background-color: rgba(255, 255, 255, 0.06);
}
.core-platform .banner .banner-outline .core-bg {
  position: absolute;
  right: 180px;
  bottom: 0;
  width: 394px;
  height: 350px;
}
.core-platform .banner .banner-outline .core-business {
  padding: 20px 0;
}
.core-platform .banner .banner-outline .core-business li {
  width: 200px;
  padding-left: 24px;
  border-right: 1px solid rgba(218, 222, 229, 0.1);
}
.core-platform .banner .banner-outline .core-business li:first-child {
  padding-left: 0;
}
.core-platform .banner .banner-outline .core-business li div {
  margin-bottom: 8px;
  color: #00a4c5;
  font-size: 24px;
  line-height: 32px;
}
.core-platform .banner .banner-outline .core-business li div span {
  color: #00a4c5;
  font-size: 24px;
  opacity: 1;
}
.core-platform .banner .banner-outline .core-business li span {
  color: #fff;
  font-size: 14px;
  opacity: 0.7;
}
.core-platform .banner .banner-outline .core-business li:last-child {
  border-right: none;
}
.core-platform h2 {
  text-align: center;
}
.core-platform .content .title {
  padding-top: 72px;
}
.core-platform .content .title h2 {
  color: #000;
  font-size: 34px;
  line-height: 50px;
  letter-spacing: 0.53px;
}
.core-platform .content .title .intro {
  width: 985px;
  margin: 0 auto;
  padding-top: 24px;
  padding-bottom: 40px;
  color: #515767;
  font-size: 14px;
  line-height: 24px;
  text-align: center;
}
.core-platform .content .details .details-bg {
  width: 700px;
  height: 600px;
  margin: 0 auto;
  background: url(https://download.qingteng.cn/frontendcdn/www/assets/images/8926c66ddbdbe979298af0d7a94f5977.png) center center no-repeat;
  background-size: 100%;
}
.core-platform .content .details .details-content {
  width: 1200px;
  margin: 0 auto;
  padding-top: 48px;
  padding-bottom: 124px;
}
.core-platform .content li {
  float: left;
  width: 360px;
  height: 246px;
  padding: 24px 20px 0 20px;
  background: #f7f9fc;
}
.core-platform .content li.content-mg {
  margin-right: 60px;
  margin-left: 60px;
}
.core-platform .content li h4 {
  padding-bottom: 9px;
  color: #1a1b20;
  font-size: 20px;
  text-align: center;
}
.core-platform .content li p {
  color: #515767;
  font-size: 14px;
  line-height: 24px;
  letter-spacing: 0.44px;
}
.core-platform .content .running {
  padding-top: 88px;
  padding-bottom: 53px;
  background: #f7f9fc;
}
.core-platform .content .running h3 {
  margin-bottom: 56px;
  color: #333;
  font-size: 36px;
  text-align: center;
}
.core-platform .content .running ul {
  width: 1132px;
  margin: 0 auto;
}
.core-platform .content .running ul li {
  height: 280px;
}
.core-platform .content .running ul li span.icon {
  display: block;
  width: 64px;
  height: 64px;
  margin: 0 auto;
  margin-top: 34px;
  border-radius: 50%;
}
.core-platform .content .running ul li span.safe {
  background: url(https://download.qingteng.cn/frontendcdn/www/assets/images/3dfe393081bfecd66dbb8126fbb1713d.png);
  background-size: 64px;
}
.core-platform .content .running ul li span.stable {
  background: url(https://download.qingteng.cn/frontendcdn/www/assets/images/a67e9607774630320669825dbf5378e9.png);
  background-size: 64px;
}
.core-platform .content .running ul li span.use {
  background: url(https://download.qingteng.cn/frontendcdn/www/assets/images/9f3e1b9c8769240944c5fbd92ad07758.png);
  background-size: 64px;
}
.core-platform .content .running ul li h4 {
  margin-top: 15px;
  margin-bottom: 8px;
}
.core-platform .slideInUp-order {
  animation-name: floats;
  animation-duration: 0.5s;
}
.core-platform .core-agent {
  animation-delay: 0s;
}
.core-platform .core-server {
  animation-delay: 0.1s;
}
.core-platform .core-web {
  animation-delay: 0.2s;
}
.core-platform .slideInUp-small {
  animation-name: bubble;
  animation-duration: 0.5s;
}