.intproHover {
  position: relative;
}

.kt_lm, .kt_one_bj {
  overflow: visible;
}

.intpro_menu {
  background-color: #fff;
  /* border: 2px solid #c30b0b; */
  position: absolute;
  top: -56px;
  left: 100px;
  display: flex;
  z-index: 999;
 /* box-shadow: 2px 2px 6px 0 #444; */
  animation: toggleul 0.3s forwards;
  -moz-animation: toggleul 0.3s forwards;
  /* Firefox */
  -webkit-animation: toggleul 0.3s forwards;
  /* Safari 和 Chrome */
  -o-animation: toggleul 0.3s forwards;
  /* Opera */
}

.intpro_menu .intpro_level {
  display: flex;
  flex-direction: column;
  padding: 20px 10px;
  width: auto;
  height: auto;
  background-color: #fff;
}

.intpro_menu .intpro_level li {
  width: auto;
  white-space: nowrap;
  line-height: 26px;
  border-bottom: 0;
  float: none;
}

.intpro_level_one, .intpro_level_two {
  border: 1px solid #c30b0b;
}

.intpro_level_one .active a, .intpro_level_one li a:hover {
  color: #e55b58;
  font-weight: bold;
}

.intpro_menu .intpro_level li a {
  margin-left: 0;
}

.intpro_menu .intpro_level_two {
  border-left: 0px solid #c30b0b;
  background-color: white;
  padding: 20px;
  min-width: 300px;
}

.intpro_level_two>li {
  display: flex;
  margin-bottom: 24px;
}

.intpro_level_one li a {
  color: #c30b0b;
}

.intpro_level_two_tit {
  margin-right: 15px;
}

.intpro_menu .intpro_level_thr {
  flex-wrap: wrap;
  flex-direction: row;
  padding: 0;
  width: 390px;
}

.intpro_level_thr li {
  margin-right: 15px;
}

.dn {
   display: none !important;
}

@keyframes toggleul {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@-moz-keyframes toggleul
/* Firefox */

  {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@-webkit-keyframes toggleul
/* Safari 和 Chrome */

  {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@-o-keyframes toggleul
/* Opera */

  {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}