.banner {
  height: 900px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #fff;

  margin: 0 auto;
}

.banner .word {
  margin-top: 300px;
}
.banner .p1 {
  font-size: 40px;
  max-width: 580px;
}
.banner .split {
  width: 70px;
  height: 3px;
  display: inline-block;
  background-color: #fff;
}

.banner .p2 {
  font-size: 24px;
  margin-top: 30px;
}
.entit {
  margin: 30px auto;
  color: #dcdee2;
  font-size: 40px;
  font-weight: bold;
  text-align: center;
  position: relative;
}
.cntit {
  color: #00143d;
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
}
.cntit .line {
  height: 3px;
  background-color: #231815;
  width: 50px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.section1 {
  background-color: #ececec;
  padding-top: 10px;
  padding-bottom: 50px;
}
.section1 .con1 {
  display: flex;
  padding-top: 30px;
}
.section1 .con1 .l,
.section1 .con1 .r {
  flex: 1;
}
.section1 .con1 img {
  width: 100%;
}
.section1 .con1 p {
  font-size: 16px;
  padding-right: 30px;
  line-height: 2;
}

.section1 .con2 {
  display: flex;
  padding-top: 30px;
}
.section1 .con2 .l,
.section1 .con2 .r {
  flex: 1;
}
.section1 .con2 img {
  width: 100%;
}
.section1 .con2 p {
  font-size: 16px;
  padding-left: 30px;
  line-height: 2;
}
.section1 .con3 {
  display: flex;
  justify-content: space-between;
  margin-top: 50px;
}
.section1 .con3 .item {
  text-align: center;
}
.section1 .con3 h3 {
  text-align: center;
  font-size: 20px;
}

.section2 .weap {
  display: flex;
  justify-content: space-between;
}
.section2 .l {
  flex: 6;
  padding-right: 30px;
}
.section2 .l .con1 {
  margin-bottom: 50px;
}

.section2 .l .con1 h3 {
  font-size: 20px;
}
.section2 .l .con1 p {
  font-size: 16px;
  line-height: 2;
  width: 90%;
}
.section2 .r {
  flex: 4;
  padding-left: 30px;
}

.section2 .box {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #231815;
  padding-bottom: 20px;
  margin-bottom: 30px;
}
.section2 .box .left {
  flex: 7;
}
.section2 .box .right {
  flex: 3;
  text-align: right;
}
.section2 .box .right img {
  width: 100%;
}

.section2 .box h4 {
  font-size: 20px;
  margin-bottom: 10px;
}
.section2 .box p {
  font-size: 16px;
  line-height: 2;
  width: 85%;
}

.section2 .box:nth-child(3) {
  border: none;
}

.section3 {
  background-color: #ececec;
  padding-top: 30px;
  padding-bottom: 80px;
}
.section3 .shouhou {
  display: flex;
  justify-content: space-between;
}
.section3 .shouhou .item {
  padding: 30px;
  height: 400px;
  background-color: #fff;
  border-radius: 20px;
  width: 30%;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.section3 .shouhou .item:hover {
  background-color: #00143d;
  color: #fff;
}

.section3 .shouhou h3,
.section3 .shouhou h4 {
  text-align: center;

  font-size: 20px;
}
.section3 .shouhou h4 {
  margin-bottom: 10px;
}

.section3 .shouhou p {
  font-size: 16px;

  margin: 0 auto;
}
.section3 .shouhou .erji,
.section3 .shouhou .gongju,
.section3 .shouhou .dunpai {
  width: 50px;
  height: 50px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  margin: 0 auto;
  margin-bottom: 10px;
}
.section3 .shouhou .erji {
  background-image: url(/img/erji.png);
}
.section3 .shouhou .gongju {
  background-image: url(/img/gongju.png);
}
.section3 .shouhou .dunpai {
  background-image: url(/img/dunpai.png);
}
.section3 .shouhou .item:hover .erji {
  background-image: url(/img/erjion.png);
}
.section3 .shouhou .item:hover .gongju {
  background-image: url(/img/gongjuon.png);
}
.section3 .shouhou .item:hover .dunpai {
  background-image: url(/img/dunpaion.png);
}

.section3 .entit {
  margin-bottom: 80px;
}

@media (max-width: 999px) {
  .banner {
    height: 200px;
  }
  .banner .word {
    margin-top: 10px;
  }

  .banner .p1 {
    font-size: 16px;
    max-width: 80%;
  }
  .banner .split {
    height: 1px;
  }
  .banner .p2 {
    font-size: 14px;
    margin-top: 10px;
  }

  .content .youshi {
    display: block;
  }
  .content .item {
    width: 100%;
    height: 180px;
  }
  .content .youshi {
    padding-top: 10px;
  }
  .entit {
    font-size: 20px;
  }
  .section1 .con1,
  .section1 .con2,
  .section2 .weap,
  .section3 .shouhou {
    display: block;
  }
  .section1 .con1 p {
    padding-right: 0;
  }
  .section1 .con2 p {
    padding-left: 0;
  }
  .section2 .l {
    padding-right: 0;
  }
  .section2 .l .con1 p {
    width: 100%;
  }
  .section2 .r {
    padding-left: 0;
  }
  .section3{
    padding-top: 10px;
  }
  .section3 .shouhou p{
    font-size: 14px;
  }
  .section3 .shouhou h3, .section3 .shouhou h4{
    font-size: 16px;
  }
  .section3 .shouhou .item{
    width: 100%;
    margin-bottom: 20px;
    height: 300px;
  }
  .section1 .con3 h3{
    font-size: 16px;
  }
  .section3 .entit{
    margin-bottom: 50px;
  }
}