.log-banner {
  width: 100%;
  height: 620px;
  background: url('../img/operrator_banner.png') no-repeat center;
  background-size: 100% 100%;
  color: #fff;
}
.industry .indst-content1 {
  height: 340px;
  background: url('../img/operrator_bg.png') no-repeat center;
  background-size: 100% 100%;
  overflow: hidden;
}
.industry .indst-content1 .desc {
  line-height: 32px;
  color: #666;
}

.industry .indst-content2 .indst-list li {
  width: 380px;
  height: 280px;
  background: url('../img/web_sult_bg3.png') no-repeat center;
  background-size: 100% 100%;
  margin-bottom: 60px;
  padding: 42px 26px;
  transition: 0.3s;
}

.industry .indst-content2 .indst-list li:nth-child(2),
.industry .indst-content2 .indst-list li:nth-child(4) {
  background: url('../img/web_sult_bg2.png') no-repeat center;
  background-size: 100% 100%;
  color: #fff;
}

.industry .indst-content2 .indst-list li .icon {
  width: 28px;
  height: 32px;
  background: url('../img/web_icon_0.png') no-repeat center;
  background-size: 100% 100%;
}

.industry .indst-content2 .indst-list li:nth-child(2) .icon,
.industry .indst-content2 .indst-list li:nth-child(4) .icon {
  background: url('../img/web_icon_0_0.png') no-repeat center;
  background-size: 100% 100%;
}
.industry .indst-content2 .indst-list li .tit {
  margin: 20px 0;
  font-size: 18px;
}

.industry .indst-content2 .indst-list li .desc {
  font-size: 14px;
  color: #878787;
  line-height: 28px;
}

.industry .indst-content2 .indst-list li:nth-child(2) .desc,
.industry .indst-content2 .indst-list li:nth-child(4) .desc {
  color: #fff;
}

.industry .indst-content2 .indst-list li:hover {
  transform: translateY(-10px);
}
@media only screen and (max-width: 1440px) {
  .industry .indst-content1 {
    height: 270px;
  }
  .industry .indst-content2 .indst-list li {
    width: 285px;
    height: 240px;
    padding: 20px;
    margin-bottom: 40px;
  }
  .industry .indst-content2 .indst-list li .tit {
    margin: 14px 0 10px;
    font-size: 16px;
  }
  .industry .indst-content2 .indst-list li .desc {
    line-height: 22px;
    font-size: 14px;
  }
}
@media only screen and (max-width: 1280px) {
  .industry .indst-content1 {
    height: 240px;
  }
  .industry .indst-content2 .indst-list li {
    width: 254px;
    height: 260px;
    margin-bottom: 40px;
  }
}
@media only screen and (max-width: 1024px) {
  .industry .indst-content1 {
    height: 280px;
    font-size: 14px;
  }
  .industry .indst-content2 .indst-list li {
    width: 201px;
    height: 270px;
  }
  .industry .indst-content2 .indst-list li .tit {
    font-size: 14px;
  }
  .industry .indst-content2 .indst-list li .desc {
    font-size: 12px;
  }
}