.banner {
  padding: 180px 0 60px 0;
  background: url(../img/ai-bg.jpg) no-repeat center center;
  background-size: cover;
}
.banner .container .row .right_word {
  padding-top: 120px;
  text-align: right;
  color: #ffffff;
}
.banner .container .row .right_word .tit {
  position: relative;
  font-size: 52px;
}
.banner .container .row .right_word .tit::before {
  content: "";
  display: block;
  position: absolute;
  bottom: -15px;
  right: 0;
  width: 65px;
  height: 3px;
  background: #fff;
}
.banner .container .row .right_word .word {
  font-size: 22px;
  padding-top: 20px;
}
.eye {
  background: url(../img/eye-bg.png) no-repeat center center;
  padding-bottom: 120px;
  background-size: cover;
}
.eye .container .row .top {
  padding-top: 100px;
  text-align: center;
}
.eye .container .row .top .tit {
  position: relative;
  font-size: 52px;
  font-weight: 700;
  color: #343434;
}
.eye .container .row .top .tit::before {
  content: '';
  display: block;
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 70px;
  height: 3px;
  background-image: linear-gradient(90deg, #00e177 0%, #02b1f4 100%), linear-gradient(#45aff5, #45aff5);
}
.eye .container .row .top .word {
  font-size: 22px;
  margin-top: 20px;
}
.eye .container .row .bottom {
  padding-top: 60px;
  text-align: center;
}
.eye .container .row .bottom img {
  box-shadow: 10px 10px 8px #707070;
  transition: all 0.5s;
}
.eye .container .row .bottom img:hover {
  transform: translateY(-20px);
}
.software {
  padding-top: 170px;
  background: url(../img/ai-bg1.jpg) no-repeat center center;
  background-size: cover;
}
.software .container .row .left .tit {
  position: relative;
  font-size: 52px;
  color: #ffffff;
}
.software .container .row .left .tit::before {
  content: '';
  display: block;
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 70px;
  height: 3px;
  background-color: #fff;
}
.software .container .row .left .word {
  font-size: 22px;
  padding-top: 10px;
  color: #fff;
}
.software .container .row .left a {
  display: block;
  width: 200px;
  height: 50px;
  font-size: 18px;
  line-height: 50px;
  background-color: #ffffff;
  border-radius: 7px;
  text-align: center;
  color: #3c3c3c;
  margin-top: 20%;
}
.software .container .row .right {
  text-align: center;
}
.software .container .row .right img {
  width: 90%;
}
.operate {
  background-color: #F1F1F1;
  padding-bottom: 90px;
}
.operate .container .row .top {
  padding-top: 100px;
  text-align: center;
}
.operate .container .row .top .tit {
  position: relative;
  font-size: 52px;
  font-weight: 700;
  color: #343434;
}
.operate .container .row .top .tit::before {
  content: '';
  display: block;
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 70px;
  height: 3px;
  background-image: linear-gradient(90deg, #00e177 0%, #02b1f4 100%), linear-gradient(#45aff5, #45aff5);
}
.operate .container .row .top .word {
  font-size: 22px;
  margin-top: 20px;
}
.operate .container .content {
  background-color: #fff;
  text-align: center;
  padding: 30px 0 30px 0;
  margin-top: 50px;
}
.operate .container .content .top {
  color: #343434;
}
.operate .container .content .top span {
  color: #f08300;
}
.operate .container .content .bottom {
  color: #f08300;
}
.last_img img {
  width: 100%;
}
.last_img img:nth-of-type(2) {
  display: none;
}
@media (max-width: 992px) {
  .banner {
    background-size: cover;
  }
  .banner .container .row .left_img {
    text-align: center;
  }
  .banner .container .row .left_img img {
    width: 90%;
  }
  .banner .container .row .right_word {
    padding-top: 120px;
    text-align: center;
    color: #ffffff;
  }
  .banner .container .row .right_word .tit {
    position: relative;
    font-size: 42px;
  }
  .banner .container .row .right_word .tit::before {
    content: "";
    display: block;
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 65px;
    height: 3px;
    background: #fff;
  }
  .banner .container .row .right_word .word {
    font-size: 20px;
    padding-top: 20px;
  }
  .software {
    padding-top: 100px;
    background-size: cover;
  }
  .software .container .row .left {
    text-align: center;
  }
  .software .container .row .left .tit {
    position: relative;
    font-size: 40px;
    color: #ffffff;
  }
  .software .container .row .left .tit::before {
    content: '';
    display: block;
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 3px;
  }
  .software .container .row .left .word {
    font-size: 18px;
    padding-top: 10px;
    color: #fff;
  }
  .software .container .row .left a {
    display: inline-block;
    width: 200px;
    height: 50px;
    font-size: 18px;
    line-height: 50px;
    background-color: #ffffff;
    border-radius: 7px;
    text-align: center;
    color: #3c3c3c;
    margin-top: 50px;
  }
  .software .container .row .right {
    text-align: center;
  }
  .software .container .row .right img {
    width: 100%;
  }
  .operate .container .content {
    background-color: #fff;
    text-align: center;
    padding: 30px 10px 30px 10px;
  }
  .operate .container .content img {
    width: 90%;
  }
  .last_img img {
    width: 100%;
  }
  .last_img img:nth-of-type(1) {
    display: none;
  }
  .last_img img:nth-of-type(2) {
    display: inline-block;
  }
}
@media (max-width: 768px) {
  .eye .container .row .top .tit,
  .operate .container .row .top .tit {
    font-size: 42px;
  }
  .eye .container .row .top .word,
  .operate .container .row .top .word {
    font-size: 20px;
    margin-top: 20px;
  }
}