.navNext {
  box-sizing: border-box;
  position: fixed;
  top: 80px;
  left: 0;
  z-index: 1000;
  width: 100%;
  height: 60px;
  line-height: 60px;
  background: #F5F3F2;
}

.navNext.nav-3d {
  animation: show 1s both;
}

.navNext .next-container {
  margin: 0 auto;
  width: 1350px;
  text-align: right;
  padding-right: 100px;
}

.navNext a {
  display: inline-block;
  padding-right: 32px;
  font-size: 16px;
  color: #656464;
  cursor: pointer;
}

.navNext a.active, .navNext a:hover {
  color: #32AAFF;
  font-weight: bold;
}

main {
  padding-top: 80px;
  width: 100%;
}

main .main-bg {
  box-sizing: border-box;
  position: relative;
  z-index: -10;
  width: 100%;
  height: 420px;
  background: url("../image/salesBg.png") no-repeat 50%;
  background-size: 100% 100%;
}

main .main-bg .main-font {
  padding: 92px 0 0 100px;
  text-align: left;
}

main .main-bg .main-font h1 {
  color: #fff;
  font: 48px/1 '微软雅黑';
}

main .main-bg .main-font .cutline {
  margin: 35px 0;
  width: 59px;
  height: 2px;
  background: #32AAFF;
}

main .main-bg .main-font h2 {
  opacity: 0.75;
  color: #FFFEFE;
  font: 30px/48px '微软雅黑';
}

main .main-bg .bg-img {
  position: absolute;
  left: 0;
  top: 0;
  background: url("../image/sa-0.png") no-repeat 50%;
  background-size: 100%;
  width: 100%;
  height: 100%;
  z-index: -5;
}

main .main-bg .bgShow-1 {
  position: absolute;
  right: 283px;
  top: 207px;
  animation: bgShow-3 4s linear 0s infinite both;
}

main .main-bg .bgShow-2 {
  position: absolute;
  left: 249px;
  top: 118px;
  animation: bgShow-2 3s linear 1s infinite both;
}

main .main-bg .bgShow-3 {
  position: absolute;
  left: 71px;
  top: 110px;
  z-index: -10;
}

main .main-bg .bgShow-4 {
  position: absolute;
  left: 710px;
  top: 127px;
  animation: bgShow-1 5s linear 0s infinite both;
}

main .main-bg .bgShow-5 {
  position: absolute;
  right: 400px;
  top: 106px;
  animation: bgShow-1 4s linear 0s infinite both;
}

main .main-bg .bgShow-6 {
  position: absolute;
  right: 447px;
  top: 270px;
  z-index: -5;
  animation: bgShow-1 4s linear 1s infinite both;
}

main .main-bg .bgShow-7 {
  position: absolute;
  right: 299px;
  top: 216px;
  animation: bgShow-3 4s linear 0s infinite both;
}

main .main-bg .bgShow-8 {
  position: absolute;
  right: 299px;
  top: 199px;
  animation: bgShow-3 4s linear 4s infinite both;
}

main .main-bg .bgShow-9 {
  position: absolute;
  right: 299px;
  top: 183px;
  animation: bgShow-3 4s linear 8s infinite both;
}

main .main-bg .bgShow-10 {
  position: absolute;
  right: 299px;
  top: 166px;
  animation: bgShow-3 4s linear 12s infinite both;
}

main .main-bg .bgShow-11 {
  position: absolute;
  right: 299px;
  top: 151px;
  animation: bgShow-3 4s linear 16s infinite both;
}

main .solution-nav {
  box-sizing: border-box;
  display: flex;
  height: 142px;
  width: 1350px;
  margin: -71px auto 0;
  background-color: #fff;
  border: 1px solid #e3e2e2;
  box-shadow: 0 25px 60px 0 rgba(10, 2, 4, 0.18);
}

main .solution-nav li {
  box-sizing: border-box;
  width: 20%;
  height: 100%;
  text-align: center;
  line-height: 142px;
  font-size: 24px;
  color: #595757;
  cursor: pointer;
  border-right: 1px solid #e3e2e2;
}

main .solution-nav li.active, main .solution-nav li:hover {
  border-bottom: 4px solid #32AAFF;
  border-right: 0;
  box-shadow: 0px 10px 15px 0px rgba(10, 2, 4, 0.1);
}

main .solution-nav li.nav-item-1 {
  background: url("../image/01.png") no-repeat 50%;
}

main .solution-nav li.nav-item-2 {
  background: url("../image/02.png") no-repeat 50%;
}

main .solution-nav li.nav-item-3 {
  background: url("../image/03.png") no-repeat 50%;
}

main .solution-nav li.nav-item-4 {
  background: url("../image/04.png") no-repeat 50%;
}

main .solution-nav li.nav-item-5 {
  background: url("../image/05.png") no-repeat 50%;
  border-right: 0;
}

main .solution-content > li {
  display: none;
  width: 1350px;
  margin: 70px auto;
  min-height: 1000px;
  animation: show 1s linear;
}

main .solution-content > li.active {
  display: block;
}

main .solution-content .desc-font {
  color: #595757;
  font: 18px/30px '微软雅黑';
}

main .solution-content .desc-img {
  box-sizing: border-box;
  width: 100%;
  height: 625px;
  margin: 50px auto;
}

main .solution-content .desc-img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

main .case-waterfall {
  margin: 0 auto;
  width: 100%;
  position: relative;
  min-height: 500px;
}

main .case-waterfall .item-container {
  width: 430px;
  position: absolute;
  overflow: hidden;
  cursor: pointer;
}

main .case-waterfall .item-container:hover .case-picModal {
  display: block;
}

main .case-waterfall .item-container img {
  width: 100%;
  height: 100%;
}

main .case-waterfall .item-container .case-picModal {
  display: none;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  z-index: 300;
  background: rgba(50, 170, 255, 0.8);
  padding: 50px 0 0 50px;
  text-align: left;
  color: #fff;
  animation: picModal .5s both;
}

main .case-waterfall .item-container .case-picModal h2 {
  font-size: 24px;
  line-height: 30px;
}

main .case-waterfall .item-container .case-picModal span {
  font-size: 16px;
}

main .case-waterfall .item-container .case-picModal .case-picModal-cutline {
  margin-top: 12px;
  width: 30px;
  border: 1px solid #fff;
}

main .case-waterfall .item-container .case-picModal p {
  width: 122px;
  height: 33px;
  line-height: 33px;
  border: 1px solid #fff;
  border-radius: 17px;
  text-align: center;
  margin-top: 130px;
  font-size: 14px;
  font-weight: 600;
}

main .case-waterfall .item-container .case-picModal p:hover {
  background: -webkit-gradient(linear, left bottom, left top, from(#0096ff), to(#2ca8ff));
  background: linear-gradient(0deg, #0096ff, #2ca8ff);
  border: none;
}

@keyframes bgShow-1 {
  0% {
    opacity: .5;
    transform: translateY(10px);
  }
  50% {
    opacity: 1;
    transform: translateY(-5px);
  }
  100% {
    opacity: .5;
    transform: translateY(10px);
  }
}

@keyframes bgShow-2 {
  0% {
    opacity: 0.1;
    transform: translateX(10px);
  }
  50% {
    opacity: 1;
    transform: translateX(-5px);
  }
  100% {
    opacity: 0.1;
    transform: translateX(10px);
  }
}

@keyframes bgShow-3 {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }
  50% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(10px);
  }
}

@keyframes picModal {
  0% {
    top: -105%;
  }
  100% {
    top: 0;
  }
}