.m-ban {
    height: 500px;
    background-color: #666;
    color: #fff;
}
.m-ban.cases {
    background: #f4f5fc;
}
.cases .m-ban-item {
    height: 500px;
    background-size: cover;
    background-position: center;
}
.m-ban-item.active {
    display: block;
}
.ban_bg1 {
    background: #584dad url(../images/ban_bg1.jpg) center no-repeat;
}
.m-ban-item {
    display: none;
}
.ban-pos {
    position: absolute;
    top: 112px;
    left: 40px;
    z-index: 1;
}
.cases .ban-pos {
    top: 130px;
}
.m-ban-logo {
    display: block;
    width: 560px;
    height: 500px;
    float: right;
    margin-right: 0;
    object-fit: contain;
}
.cases-bg1 {
    background: #f7f8fa;
}
.f2-nav {
    width: 1190px;
    margin: 0 auto 40px;
    overflow: hidden;
}
.f2-nav .active {
    color: #2589ff;
    text-align: center;
}
.f2-nav>li {
    float: left;
    width: 108px;
    cursor: pointer;
}
.f2-nav .active .f2-icon {
    background-image: url(../images/cases/hIcon.png);
}
.f2-icon {
    display: block;
    height: 48px;
    width: 48px;
    margin: 10px auto 6px;
    background: url(../images/cases/icon.png) center no-repeat;
    background-size: 100% auto;
}
.f2-in-all, .f2-in1 {
    background-position: 0 0;
}
.f2-in10{background-position:0 -68px}
.f2-in11{background-position:0 -136px}
.f2-in2{background-position:0 -204px}
.f2-in3{background-position:0 -272px}
.f2-in4{background-position:0 -340px}
.f2-in5{background-position:0 -408px}
.f2-in6{background-position:0 -476px}
.f2-in7{background-position:0 -544px}
.f2-in8{background-position:0 -612px}
.f2-in9{background-position:0 -680px}
 

.f2-nav .f2-title {
    margin-bottom: 16px;
    text-align: center;
    font-size: 14px;
    letter-spacing: 2px;
    line-height: 20px;
}
.f2-items {
  width: 1232px;
  margin: auto;
}
.f2-items > li {
  position: relative;
  margin-right: 15px;
  margin-left: 15px;
  margin-bottom: 30px;
  float: left;
  width: 274px;
  height: 480px;
  background-color: #fff;
  border: 1px solid #e3e2e5;
}
.f2-item-show {
  height: 100%;
  overflow: hidden;
}
.f2-logo {
  margin: 50px auto 52px;
  display: block;
  /* width: 120px;
  height: 120px;
  border-radius: 60px;*/
  border: 1px solid #e3e2e5; 
}
.f2-line {
  display: block;
  margin: 20px auto 16px;
  width: 24px;
  height: 4px;
  background: #595961;
}
.f2-des {
  margin: 40px auto 50px;
  width: 218px;
  font-size: 16px;
  color: #9797a1;
  line-height: 28px;
  text-align: center;
}
.f2-item-hide {
  position: absolute;
  top: -1px;
  left: -1px;
  width: 276px;
  height: 490px;
  background: #6d6d6d;
  box-shadow: 0 10px 20px 0 rgba(0, 0, 0, 0.1);
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -ms-transition: all 0.3s;
  -o-transition: all 0.3s;
  transition: all 0.3s;
}
.f2-hide-mark, .f2-hide-wrap {
    position: absolute;
    width: 100%;
    opacity: 0;
    filter: alpha(opacity=0);
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -ms-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s;
}

.f2-hide-mark {
    top: 0;
    left: 0;
    height: 100%;
    background: url(../images/mark.png) center no-repeat;
    z-index: 6;
}
.f2-hide-mark,
.f2-hide-wrap {
  position: absolute;
  width: 100%;
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -ms-transition: all 0.3s;
  -o-transition: all 0.3s;
  transition: all 0.3s;
}
.f2-items>li:hover .f2-item-hide, .f2-items>li:hover .f2-hide-wrap, .f2-items>li:hover .f2-hide-mark {
    opacity: 1;
    filter: alpha(opacity=100);
}
.f2-hide-wrap {
  top: 270px;
  height: 220px;
  text-align: center;
  font-size: 14px;
  color: #595961;
  overflow: hidden;
  z-index: 10;
}
.f2-second-buss {
  position: absolute;
  bottom: 14px;
  width: 100%;
}
.f2-second-buss span {
  float: right;
  min-width: 74px;
  font-size: 14px;
  color: #9797a1;
  letter-spacing: 0;
  text-align: center;
  line-height: 24px;
  border: 1px solid #e3e2e5;
}
.f2-items > li:hover .f2-item-hide,
.f2-items > li:hover .f2-hide-wrap,
.f2-items > li:hover .f2-hide-mark {
  opacity: 1;
  filter: alpha(opacity=100);
}
.f2-qr {
  margin: 40px auto 10px;
  height: 130px;
  width: 130px;
}
.f2-items > li:hover .f2-qr {
  display: block;
}
.f2-hide-bg {
  display: block;
  width: 100%;
  height: 100%;
}
.cases-col2 {
    background-color: #2589ff;
}
.cases-consult {
    height: 210px;
}
.consult-photo {
    float: left;
    margin: 52px 78px 0 36px;
    height: 106px;
    width: 106px;
    background: url(../images/kf.png) center no-repeat;
}
.consult-des {
    display: inline-block;
    float: left;
    width: 560px;
    margin-top: 53px;
}
.consult-link {
    float: left;
    margin-left: 130px;
    margin-top: 85px;
    width: 160px;
    height: 40px;
    font-size: 18px;
    color: #fff;
    line-height: 40px;
    text-align: center;
    background: rgba(17, 26, 39, 0);
    border: 1px solid #fff;
    border-radius: 2px;
}