/* banner图 */
.banner {
  width: 100%;
  height: 640px;
  min-width: 1100px;
  background: linear-gradient(#4576db, #0a5cbb);
}
.banner .banner-main {
  width: 1000px;
  margin: 0 auto;
}
.banner .banner-main .left {
  width: 360px;
  float: left;
}
.banner .banner-main .right {
  width: 600px;
  float: right;
  height: 400px;
  transform: scale(0.85, 0.85);
}
.banner-main .left h4 {
  font-family: PingFangSC-Medium;
  font-weight: 500;
  color: #ffffff;
  line-height: 60px;
  margin-top: 110px;
  font-size: 36px;
}
.banner-main .left p {
  font-size: 14px;
  font-family: NotoSansHans-Regular;
  color: #ffffff;
  line-height: 24px;
  margin-top: 40px;
  width: 433px;
}
.banner-main .left a {
  width: 200px;
  height: 65px;
  background: #ffffff;
  border-radius: 5px;
  display: block;
  margin-top: 46px;
  font-size: 18px;
  font-family: NotoSansHans-Medium;
  font-weight: 500;
  color: #4581fd;
  text-align: center;
  line-height: 66px;
}
.banner-main .left a:hover {
  /* background: #2b59b9;*/
  color: #2b59b9;
}
.banner-main .right {
  position: relative;
}
.banner-main .right img:first-child {
  display: block;
  margin-top: 60px;
}
.banner-main .right .modal {
  position: absolute;
  left: 326px;
  top: 236px;
}
/*动画*/
.banner-main .path1 {
  width: 19px;
  height: 21px;
  background: url(../image/ois/point.png) no-repeat;
  offset-path: path("M48.0224609,144.542969 L310.734375,298.698242 L 473.808594,208.847656");
  offset-distance: 0%;
  animation: path1 6s linear normal infinite forwards;
  position: absolute;
  left: 98.5px;
  top: 182px;
}
@keyframes path1 {
  0% {
    offset-distance: 10%;
    transform: rotate(86deg);
    opacity: 0;
  }
  19.9% {
    display: block;
    opacity: 0;
  }
  20% {
    offset-distance: 10%;
    transform: rotate(86deg);
    opacity: 1;
  }
  58.5% {
    transform: rotate(86deg);
  }
  58.6% {
    transform: rotate(150deg);
  }
  85% {
    offset-distance: 98%;
    opacity: 1;
  }
  85.1% {
    opacity: 0;
  }
  100% {
    offset-distance: 98%;
    transform: rotate(150deg);
    opacity: 0;
  }
}
.banner-main .path2 {
  width: 0px;
  height: 21px;
  background: url(../image/ois/point.png) no-repeat;
  offset-path: path("M234.576728,183.413793 L212.236088,171.310345 L94.0168634,241.137931 L406.558594,411.933594 L576.708984,309.488281 L433.222656,231.234375 L462.705566,215.083984");
  offset-distance: 0%;
  animation: path2 9s linear normal infinite forwards;
  position: absolute;
  left: 98.5px;
  top: 182px;
  animation-delay: 3s;
}
@keyframes path2 {
  0% {
    transform: rotate(-90deg);
    opacity: 0;
    offset-distance: 0.6%;
    width: 19px;
  }
  14.9% {
    opacity: 0;
  }
  15% {
    transform: rotate(-90deg);
    opacity: 1;
    offset-distance: 0.6%;
  }
  15.1% {
    transform: rotate(-35deg);
    opacity: 1;
    offset-distance: 0.6%;
  }
  18% {
    transform: rotate(-35deg);
  }
  27% {
    transform: rotate(-35deg);
  }
  27.1% {
    transform: rotate(92deg);
  }
  55% {
    transform: rotate(92deg);
  }
  55.1% {
    transform: rotate(145deg);
  }
  70% {
    transform: rotate(145deg);
  }
  70.1% {
    transform: rotate(-88deg);
  }
  82% {
    transform: rotate(-88deg);
  }
  82.1% {
    transform: rotate(150deg);
    opacity: 1;
  }
  85% {
    offset-distance: 100%;
    opacity: 1;
    transform: rotate(150deg);
  }
  85.1% {
    opacity: 0;
  }
  100% {
    offset-distance: 100%;
    transform: rotate(150deg);
    opacity: 0;
    width: 19px;
  }
}
.banner-main .path3 {
  width: 0px;
  height: 21px;
  background: url(../image/ois/point.png) no-repeat;
  offset-path: path("M206.191406,67.8046875 L260.242188,96.0878906 L113.264398,182.825925 L125.073694,189.755437 L310.734375,298.698242 L473.808594,208.847656");
  offset-distance: 0%;
  animation: path3 9s linear normal infinite forwards;
  position: absolute;
  left: 98.5px;
  top: 182px;
  animation-delay: 6s;
}
@keyframes path3 {
  0% {
    transform: rotate(86deg);
    opacity: 0;
    offset-distance: 0.6%;
    width: 19px;
  }
  9.9% {
    opacity: 0;
  }
  10% {
    transform: rotate(86deg);
    opacity: 1;
    offset-distance: 0.6%;
  }
  16.5% {
    transform: rotate(86deg);
    opacity: 1;
  }
  16.6% {
    transform: rotate(-35deg);
  }
  36.5% {
    transform: rotate(-35deg);
  }
  36.6% {
    transform: rotate(92deg);
  }
  63.2% {
    transform: rotate(92deg);
  }
  63.3% {
    transform: rotate(150deg);
  }
  84.9% {
    opacity: 1;
  }
  85% {
    offset-distance: 100%;
    opacity: 0;
    transform: rotate(150deg);
  }
  100% {
    offset-distance: 100%;
    transform: rotate(150deg);
    opacity: 0;
    width: 19px;
  }
}
.banner-main .text {
  position: absolute;
  left: 531px;
  top: 84px;
  width: 134px;
  overflow: hidden;
  height: 200px;
}
.banner .banner-main img.text1 {
  margin-top: 200px;
  margin-left: 50px;
}
.banner .banner-main img.text2 {
  margin-top: 200px;
  margin-left: 50px;
}
.banner .banner-main img.text3 {
  margin-top: 200px;
  margin-left: 50px;
}
/* 平台简介*/
.intro-main {
  width: 1000px;
  margin: 0 auto;
  height: 960px;
}
.intro-main h4 {
  margin-top: 90px;
  font-size: 24px;
  font-family: NotoSansHans-Medium;
  font-weight: 500;
  color: #4a4a4a;
  margin-bottom: 20px;
  text-align: center;
}
.intro-main .text {
  width: 778px;
  height: 100px;
  font-size: 14px;
  text-align: center;
  font-family: NotoSansHans-Regular;
  font-weight: 400;
  color: #4a4a4a;
  line-height: 21px;
  margin: 0 auto;
  margin-bottom: 32.5px;
}
.intro-main .list li {
  width: 298px;
  margin: 17.5px;
  float: left;
  height: 360px;
  background: #ffffff;
  /*box-shadow:0px 5px 10px 5px rgba(0,0,0,0.1);*/
  box-shadow: 2px 2px 10px 0px rgba(0, 0, 0, 0.1);
}
.intro-main .list li:hover {
  box-shadow: 5px 5px 20px 0px rgba(0, 0, 0, 0.2);
}
.intro-main .list h5 {
  font-size: 18px;
  font-family: NotoSansHans-Bold;
  font-weight: bold;
  color: #4a4a4a;
  line-height: 27px;
  text-align: center;
  margin-top: 35px;
  margin-bottom: 20px;
}
.intro-main .list p {
  width: 250px;
  height: 60px;
  font-size: 14px;
  font-family: NotoSansHans-Regular;
  font-weight: 400;
  color: #4a4a4a;
  line-height: 21px;
  margin: 0 auto;
  text-align: center;
}
.intro-main .list img {
  display: block;
  margin: 75px auto 0;
}
/*产品特点*/
.feature {
  clear: both;
  min-width: 1000px;
}
.feature-main {
  width: 1000px;
  margin: 0 auto;
}
.feature-main h4 {
  margin-top: 130px;
  margin-bottom: 60px;
  font-size: 24px;
  font-family: NotoSansHans-Medium;
  font-weight: 500;
  color: #4a4a4a;
  text-align: center;
}
.feature-container {
  position: relative;
  width: 1000px;
  height: 635px;
  overflow: hidden;
  margin-bottom: 150px;
}
.feature-container .swiper-button-next,
.swiper-container-rtl .swiper-button-prev {
  background-image: none;
  /*right:30px;*/
}
.feature-container .swiper-button-prev,
.swiper-container-rtl .swiper-button-next {
  background-image: none;
}
.feature-container .iconfont {
  font-size: 50px;
  color: #c4c6c5;
}
.feature-container .swiper-slide {
  position: relative;
}
.feature-main .swiper-slide img {
  display: block;
  float: left;
  margin-right: 30px;
  width: 480px;
  margin-left: 70px;
}
.feature-main .swiper-wrapper .info {
  float: left;
  width: 360px;
}
.feature-main .swiper-wrapper h5 {
  font-size: 26px;
  font-family: NotoSansHans-Medium;
  font-weight: 500;
  color: #4a4a4a;
  line-height: 50px;
  margin-top: 150px;
}
.feature-main .swiper-wrapper p {
  font-size: 14px;
  font-family: NotoSansHans-Regular;
  font-weight: 400;
  color: #4a4a4a;
  line-height: 24px;
  margin-top: 40px;
}
.feature-main .swiper-wrapper a {
  width: 200px;
  height: 45px;
  background: #4581fd;
  border-radius: 5px;
  font-size: 18px;
  font-family: NotoSansHans-Medium;
  font-weight: 500;
  color: #ffffff;
  line-height: 45px;
  margin-top: 40px;
  display: block;
  text-align: center;
}
.feature-main .swiper-wrapper a:hover {
  background: #2b59b9;
}
.swiper-container-horizontal > .swiper-pagination-bullets {
  top: 90px;
  left: 635px;
  width: 300px;
}
.swiper-pagination-bullet {
  width: 16px;
  height: 16px;
  display: inline-block;
  border-radius: 100%;
  background: #c4c6c5;
  opacity: 0.2;
}
.swiper-pagination-bullet-active {
  opacity: 1;
  background: #007aff;
}
.swiper-container-horizontal > .swiper-pagination-bullets .swiper-pagination-bullet {
  margin: 0 15px;
}
/*RAIC.OIS的优势*/
.advantage {
  min-width: 1000px;
}
.advantage .advantage-main {
  width: 1000px;
  margin: 0 auto;
  position: relative;
}
.advantage .advantage-main h4 {
  font-size: 24px;
  font-family: NotoSansHans-Medium;
  font-weight: 500;
  color: #4a4a4a;
  line-height: 36px;
  text-align: center;
  margin-bottom: 60px;
}
.tab_menu {
  width: 1000px;
  margin: 0 auto;
  height: 50px;
  border-bottom: 2px solid #c4c6c5;
}
.tab_menu li {
  float: left;
  height: 48px;
  font-size: 18px;
  font-family: NotoSansHans-Medium;
  font-weight: 500;
  line-height: 48px;
  color: #4a4a4a;
  margin: 0 30px;
  cursor: pointer;
  text-indent: 48px;
}
.tab_menu li:first-child {
  background: url(../image/ois/tab-bg1.png) no-repeat 0% 50%;
}
.tab_menu li:first-child.current {
  background: url(../image/ois/tab-bg1-hover.png) no-repeat 0% 50%;
}
.tab_menu li:first-child:hover {
  background: url(../image/ois/tab-bg1-hover.png) no-repeat 0% 50%;
}
.tab_menu li:nth-child(2) {
  background: url(../image/ois/tab-bg2.png) no-repeat 0% 50%;
}
.tab_menu li:nth-child(2).current {
  background: url(../image/ois/tab-bg2-hover.png) no-repeat 0% 50%;
}
.tab_menu li:nth-child(2):hover {
  background: url(../image/ois/tab-bg2-hover.png) no-repeat 0% 50%;
}
.tab_menu li:nth-child(3) {
  background: url(../image/ois/tab-bg3.png) no-repeat 0% 50%;
}
.tab_menu li:nth-child(3).current {
  background: url(../image/ois/tab-bg3-hover.png) no-repeat 0% 50%;
}
.tab_menu li:nth-child(3):hover {
  background: url(../image/ois/tab-bg3-hover.png) no-repeat 0% 50%;
}
.tab_menu li.current {
  border-bottom: 4px solid #4581fd;
  color: #4581fd;
}
.tab_menu li:hover {
  color: #4581fd;
}
.tab_box .hide {
  display: none;
}
.advantage-main .tab_box :first-child {
  position: relative;
}
.advantage-main .tab_box :first-child p {
  font-size: 14px;
  font-family: NotoSansHans-Regular;
  font-weight: 400;
  color: #4a4a4a;
  line-height: 21px;
  text-align: center;
  margin: 50px 0;
}
.advantage-main .tab_box :first-child .bg {
  position: absolute;
  left: 0;
  z-index: -2;
}
.advantage-main .tab_box :first-child .img {
  margin-bottom: 180px;
  margin-left: 50px;
  width: 870px;
  padding-top: 96px;
}
.advantage-main .tab_box {
  position: relative;
}
.advantage-main .tab_box p {
  font-size: 14px;
  font-family: NotoSansHans-Regular;
  font-weight: 400;
  color: #4a4a4a;
  line-height: 21px;
  text-align: center;
  margin: 50px 0;
}
.advantage-main .tab_box .bg {
  position: absolute;
  left: 0;
  z-index: -2;
}
.pagination {
  position: absolute;
  right: 250px;
  text-align: center;
  top: 100px;
}
.swiper-pagination-switch {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 8px;
  background: #c4c6c5;
  margin: 0 10px;
  cursor: pointer;
}
.swiper-active-switch {
  background: #4581fd;
}
.arrow-left {
  position: absolute;
  left: 15px;
  top: 43%;
  width: 17px;
  height: 30px;
  z-index: 1000;
}
.arrow-left i:hover {
  color: #4581fd;
}
.arrow-right {
  position: absolute;
  right: 45px;
  top: 43%;
  width: 17px;
  height: 30px;
  z-index: 1000;
}
.arrow-right i:hover {
  color: #4581fd;
}
.advantage .advantage-main .relace {
  width: 200px;
  height: 50px;
  background: #fff;
  position: absolute;
  top: 314px;
  left: 72px;
}