.banner {
  position: relative;
}
.banner img {
  width: 100%;
}
.banner .text {
  width: 100%;
  position: absolute;
  top: 53%;
  left: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  text-align: center;
}
.banner .text > h2 {
  font-size: 2.4rem;
  font-weight: bold;
  color: #fff;
}
.banner .text > span {
  display: inline-block;
  width: 1.4rem;
  height: 4px;
  background: #e77b43;
  margin: 0.6rem 0;
}
.banner .text > p {
  font-size: 0.8rem;
  color: #fff;
}
.bread .con {
  display: flex;
  height: 4rem;
}
.bread .con a {
  font-size: 0.7rem;
  color: #777;
  line-height: 4rem;
}
.bread .con a:hover {
  color: #ff8041;
}
.bread .con span {
  font-size: 0.7rem;
  color: #777;
  display: inline-block;
  line-height: 4rem;
  margin: 0 0.4rem;
}
.bread .con h6 {
  font-size: 0.7rem;
  line-height: 4rem;
  color: #777;
}
.kb-con {
  padding-bottom: 4rem;
  margin-top: 2rem;
}
.kb-con .con .system {
  margin-top: 1rem;
}
.kb-con .con .system > h2 {
  font-size: 1.8rem;
  font-weight: bold;
  color: #000;
  margin-bottom: 3rem;
}
.kb-con .con .system ul {
  padding-bottom: 5rem;
}
.kb-con .con .system ul li {
  float: left;
  margin: 0 -20px -66px;
}
.kb-con .con .system ul li a {
  display: block;
  position: relative;
}
.kb-con .con .system ul li a .pic {
  width: 244px;
  height: 244px;
  background: url(../img/koubei/logo_bg.png) center center no-repeat;
  background-size: cover;
  line-height: 244px;
  text-align: center;
  position: relative;
  z-index: 1;
}
.kb-con .con .system ul li a .pic img {
  display: inline-block;
  vertical-align: middle;
  max-width: 50%;
  max-height: 50%;
}
.kb-con .con .system ul li a .mask {
  position: absolute;
  width: 244px;
  height: 0;
  top: 50%;
  left: 0;
  background: url(../img/koubei/logo_color_bg.png) center center no-repeat;
  background-size: cover;
  z-index: 2;
  opacity: 0;
  overflow: hidden;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.kb-con .con .system ul li a .mask .top {
  height: 50%;
  position: relative;
}
.kb-con .con .system ul li a .mask .top img {
  display: block;
  max-width: 50%;
  position: absolute;
  top: 64%;
  left: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
}
.kb-con .con .system ul li a .mask .top:before {
  content: '';
  width: 50%;
  height: 1px;
  background: rgba(0, 0, 0, 0.1);
  position: absolute;
  left: 25%;
  bottom: 0;
}
.kb-con .con .system ul li a .mask .bottom {
  height: 50%;
  position: relative;
}
.kb-con .con .system ul li a .mask .bottom h2 {
  font-size: 1.3rem;
  font-weight: bold;
  color: #000;
  position: absolute;
  top: 30%;
  left: 50%;
  text-align: center;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
}
.kb-con .con .system ul li:nth-child(13n+8) {
  margin-left: 82px;
}
.kb-con .con .system ul li:hover a .mask {
  top: -20%;
  height: 364px;
  opacity: 1;
}
@media screen and (max-width: 1680px) {
  .kb-con .con .system ul li {
    margin: 0 -16px -54px;
  }
  .kb-con .con .system ul li a .pic {
    width: 210px;
    height: 210px;
    line-height: 210px;
  }
  .kb-con .con .system ul li a .mask {
    width: 210px;
  }
  .kb-con .con .system ul li:nth-child(13n+8) {
    margin-left: 74px;
  }
  .kb-con .con .system ul li:hover a .mask {
    height: 314px;
  }
}
@media screen and (max-width: 1500px) {
  .kb-con .con .system ul li:nth-child(13n+8) {
    margin-left: -16px;
  }
  .kb-con .con .system ul li:nth-child(11n+7) {
    margin-left: 74px;
  }
}
@media screen and (max-width: 1400px) {
  .kb-con .con .system ul li {
    margin: 0 -10px -42px;
  }
  .kb-con .con .system ul li a .pic {
    width: 190px;
    height: 190px;
    line-height: 190px;
  }
  .kb-con .con .system ul li a .mask {
    width: 190px;
  }
  .kb-con .con .system ul li:nth-child(13n+8) {
    margin-left: -10px;
  }
  .kb-con .con .system ul li:nth-child(11n+7) {
    margin-left: 77px;
  }
  .kb-con .con .system ul li:hover a .mask {
    height: 284px;
  }
}
@media screen and (max-width: 1366px) {
  .kb-con .con .system ul li a .mask .bottom h2 {
    font-size: 18px;
  }
}
@media screen and (max-width: 1280px) {
  .kb-con .con .system ul li {
    margin: 0 -12px -42px;
  }
  .kb-con .con .system ul li a .pic {
    width: 180px;
    height: 180px;
    line-height: 180px;
  }
  .kb-con .con .system ul li a .mask {
    width: 180px;
  }
  .kb-con .con .system ul li:hover a .mask {
    height: 268px;
  }
}
@media screen and (max-width: 1150px) {
  .kb-con .con .system ul li {
    margin: 0 -6px -38px;
  }
  .kb-con .con .system ul li:nth-child(13n+8) {
    margin-left: -6px;
  }
  .kb-con .con .system ul li:nth-child(11n+7) {
    margin-left: -6px;
  }
  .kb-con .con .system ul li:nth-child(9n+6) {
    margin-left: 82px;
  }
}
@media screen and (max-width: 1024px) {
  .banner {
    margin-top: 96px;
  }
  .banner .text {
    top: 50%;
  }
  .bread .con a {
    font-size: 14px;
  }
  .bread .con h6 {
    font-size: 14px;
  }
  .kb-con .con .system ul li {
    margin: 0 -2px -28px;
  }
  .kb-con .con .system ul li a .pic {
    width: 180px;
    height: 180px;
    line-height: 180px;
  }
  .kb-con .con .system ul li a .mask {
    width: 180px;
  }
  .kb-con .con .system ul li:hover a .mask {
    height: 286px;
  }
  .kb-con .con .system ul li:nth-child(13n+8) {
    margin-left: -2px;
  }
  .kb-con .con .system ul li:nth-child(11n+7) {
    margin-left: -2px;
  }
  .kb-con .con .system ul li:nth-child(9n+6) {
    margin-left: 86px;
  }
}
@media screen and (max-width: 768px) {
  .banner {
    margin-top: 72px;
  }
  .banner .text h2 {
    font-size: 20px;
  }
  .banner .text p {
    font-size: 14px;
  }
  .banner .text span {
    margin: 0;
  }
  .kb-con .con .system ul li a .mask .bottom h2 {
    font-size: 14px;
  }
  .kb-con {
    padding-bottom: 20px;
    margin-top: 0;
  }
  .kb-con .con .system > h2 {
    font-size: 16px;
    margin-bottom: 20px;
  }
  .kb-con .con .system ul {
    padding-bottom: 30px;
  }
  .kb-con .con .system ul li {
    margin: 0 -4px -22px;
  }
  .kb-con .con .system ul li a .pic {
    width: 120px;
    height: 120px;
    line-height: 120px;
  }
  .kb-con .con .system ul li a .mask {
    width: 120px;
  }
  .kb-con .con .system ul li:hover a .mask {
    height: 180px;
  }
  .kb-con .con .system ul li:nth-child(13n+8) {
    margin-left: -4px;
  }
  .kb-con .con .system ul li:nth-child(13n+7) {
    margin-left: -4px;
  }
  .kb-con .con .system ul li:nth-child(9n+6) {
    margin-left: -4px;
  }
  .kb-con .con .system ul li:nth-child(5n+4) {
    margin-left: 56px;
  }
  .kb-con .con .system ul li:hover a .mask {
    top: -10%;
  }
}
/*# sourceMappingURL=koubei.css.map */