.sub-banner{
    width: 100%;
}
.sub-banner-img{
    display: block;
    width: 100%;
    min-width: 1200px;
}
body {
    min-width: 1280px;
    background-color: #FEFEFE;
}
#container {
  width: 1200px;
  min-height: 400px;
  margin: 20px auto;
}
.case-nav {
  margin: 20px 0 50px;
  display: flex;
  justify-content: space-between;
  flex-wrap: nowrap;
  /*overflow-x: scroll;*/
  border-bottom: 1px solid #eee;
}
.case-nav .case-nav-item {
  /*width: 96px;*/
  height: 46px;
  color: #333;
  font-size: 16px;
  text-align: center;
  line-height: 46px;
  cursor: pointer;
  box-sizing: border-box;
  border-bottom: 2px solid transparent;
  transition: all linear .2s;
}
.case-nav .case-nav-item:hover,
.case-nav .case-nav-item.active {
  border-bottom: 2px solid #4987FB;
  color: #4987FB;
}
.case-aside-nav {
  position: fixed;
  padding-top: 30px;
  right: 20px;
  top: 60px;
  margin: 20px 0 50px;
  display: none;
  border-left: 2px solid #DFE1E5;
}
.case-aside-nav .case-aside-nav-item {
  position: relative;
  left: -5px;
  padding-left: 20px;
  width: 96px;
  color: #666666;
  text-align: center;
  cursor: pointer;
  margin-bottom: 24px;
}
.case-aside-nav .case-aside-nav-item:last-child {
  margin-bottom: 0;
}
.case-aside-nav .case-aside-nav-item::before {
  box-sizing: border-box;
  content: '';
  display: none;
  width: 8px;
  height: 8px;
  background-color: #fff;
  border: 2px solid #5182F0;
  border-radius: 8px;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}
.case-aside-nav .case-aside-nav-item:hover,
.case-aside-nav .case-aside-nav-item.active {
  color: #5182F0;
}
.case-aside-nav .case-aside-nav-item:hover::before,
.case-aside-nav .case-aside-nav-item.active::before {
  display: block;
}
.case-list {
  display: flex;
  flex-wrap: wrap;
}
.case-list * {
  box-sizing: border-box;
}
.case-list .case-item {
  /*width: 260px;*/
  /*margin-right: 53px;*/
  margin-bottom: 40px;
}
/*.case-list.list4n .case-item:nth-child(5n) {
  margin-right: 0;
}*/
.case-list.list3n .case-item:nth-child(3n) {
  margin-right: 0;
}
.case-list .case-item:hover .img-wrap {
  /*display: block !important;*/
  opacity: 1 !important;
  cursor: pointer;
}
.case-list .case-item:hover .case-title {
  font-size: 14px;
  text-align: left;
  color: #5182F0;
  width: max-content;
  max-width: 1000px;
  z-index: 1;
  background: #E5EBFA;
  border: 1px solid #5182F0;
}
.case-list .case-item .phone-box {
  width: 240px;
  height: 520px;
  border-radius: 8px;
  background: #FFFFFF;
  border: 3px solid #FFFFFF;
  box-shadow: 0px 0px 20px 0px #00000033;
  position: relative;
}
.case-list .case-item .phone-box .case-img {
  width: 100%;
  height: 100%;
  border-radius: 8px;
}
.case-list .case-item .phone-box .img-wrap {
  /*display: none;*/
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 8px;
  opacity: 0;
  transition: all .2s;
}
.case-list .case-item .phone-box .img-wrap .qrcode-box {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 160px;
  height: 200px;
  background-color: #fff;
  box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.1);
  border-radius: 4px;
  padding: 5px;
  text-align: center;
}
.case-list .case-item .phone-box .img-wrap .qrcode-box .qrcode {
  width: 134px;
  height: 134px;
  margin-top:13px ;
}
.case-list .case-item .phone-box .img-wrap .qrcode-box .qrcode-tips {
  font-size: 14px;
  color: #666666;
  text-align: center;
  margin: 13px auto;
}
.case-list .case-item .case-title {
  position: relative;
  left: 0;
  top: 0;
  font-size: 14px;
  height: 25px;
  line-height: 25px;
  color: #313132;
  margin-top: 20px;
  text-align: left;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 5px;
  border: 1px solid transparent;
  cursor: pointer;
}
.case-list .case-item .case-title:hover {
  font-size: 14px;
  text-align: left;
  color: #5182F0;
  width: max-content;
  max-width: 1000px;
  z-index: 1;
  background: #E5EBFA;
  border: 1px solid #5182F0;
}
.chuangjiansd{
    width: 100%;
    height: 32px;
    background: #4987FB;
    margin-top: 23px;
    color: #fff;
    font-size: 14px;
    text-align: center;
    line-height: 32px;
    border-radius: 8px;
}

.xiantiao{
    /*width: 40%;*/
    flex: 1;
    height: 1px;
    background: #E6E6E6;
}
.xinndfd{
    width: 1200px;
    display: flex;
    margin: 10px auto 50px;
}

.neirong{
    padding: 0 10px;
    width: 238px;
    font-size: 14px;
    font-family: Noto Sans SC-Regular, Noto Sans SC;
    font-weight: 400;
    color: #999999;
    line-height: 0;
    box-sizing: content-box;
}