header {
  width: 100%;
  height: 60px;
}
.bg {
  width: 100%;
  height: 320px;
  background-image: url(http://www.hltsoft.cn:9100/hltcms/hlt/images/solution_bg.jpg);
  background-repeat: no-repeat;
  background-size: contain;
}
.header {
  height: 100px;
}
.sol-main {
  width: 100%;
}
.sol-main .sol-nav {
  width: 100%;
  height: 60px;
  line-height: 60px;
  background-color: #ffffff;
  box-shadow: 0px 1px 4px 0px rgba(0, 0, 0, 0.1);
}
.sol-main .sol-nav .nav-tab {
  display: flex;
  justify-content: left;
  align-items: center;
}
.sol-main .sol-nav .tab-item {
  width: 180px;
  font-family: Source Han Sans CN;
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0px;
  color: #000000;
  margin-left: 24px;
  text-align: center;
  height: 58px;
  cursor: pointer;
  border-bottom: 2px solid #fff;
}

.sol-main .sol-nav .tab-item a {
  color: #000000;
}
.sol-main .sol-nav .tab-item a:hover {
  color: #3c53a0;
}

.sol-main .sol-nav .tab-item.active {
  border-bottom: 2px solid #3760a7;
}

.sol-main .details {
  width: 100%;
  margin-top: 60px;
}
.sol-main .details h2 {
  width: 100%;
  margin: 20px 0px;
}
.sol-main .details .tit {
  font-family: Source Han Sans CN;
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 27px;
  letter-spacing: 2px;
  color: #14161a;
  margin-bottom: 37px;
  text-indent: 36px;
}
.sol-main .details img {
  width: 1200px;
  height: 100%;
  object-fit: cover;
}
.mobile {
  display: none;
}

@media screen and (max-width: 700px) {
  .bg {
    max-width: 100%;
    height: 220px;
    background-size: cover;
    background-position: 19%;
    background-repeat: no-repeat;
  }
  .sol-nav {
    display: none;
  }
  .sol-main .details {
    width: 100%;
    box-sizing: border-box;
    padding: 24px 16px !important;
  }
  .sol-main .details img {
    max-width: 100%;
  }

  .mobile {
    display: block !important;
  }
}