.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;
}

.banner .points {
  margin-top: 200px;
}

.banner .item {
  display: flex;
  align-items: center;
  margin-bottom: 50px;
  background: linear-gradient(
    to right,
    rgba(31, 120, 180, 0.6),
    rgba(255, 255, 255, 0)
  );
  padding: 20px 30px;
  width: 600px;
}
.banner .item img {
  width: 80px;
  height: 80px;
  vertical-align: middle;
}
.banner .item .txt {
  padding-left: 30px;
}
.banner .item h3 {
  font-size: 18px;
}
.banner .item p {
  font-size: 16px;
}

.entit {
  margin: 30px auto;
  color: #e6e8ec;
  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%);
}
.content .youshi {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-top: 50px;
  padding-bottom: 30px;
}

.content .item {
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
  border-radius: 20px;
  width: 30%;
  height: 260px;
  position: relative;
  padding: 20px;
  margin-bottom: 30px;
}
.content .item img {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 150px;
}
.content .item h3 {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 10px;
}
.content .item p {
  font-size: 16px;
}
.content .item:hover {
  background-color: #00143d;
}

.content .item:hover h3,
.content .item:hover p {
  color: #fff;
}

@media (max-width: 999px) {
  .banner {
    height: 400px;
  }
  .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;
  }

  .banner .points {
    margin-top: 30px;
  }

  .banner .item img{
    width: 40px;
    height: 40px;
  }
  .banner .item {
    width: 100%;
    padding: 10px;
    margin-bottom: 20px;

  }
  .banner .item h3 {
    font-size: 14px;
  }
  .banner .item p {
    font-size: 12px;
  }
  .banner .item .txt{
    padding-left: 10px;
  }

  .content .youshi {
    display: block;
  }
  .content .item {
    width: 100%;
    height: 180px;
  }
  .content .youshi {
    padding-top: 10px;
  }
  .entit {
    font-size: 20px;
  }
  .content .item h3 {
    font-size: 16px;
  }
  .content .item p {
    font-size: 14px;
  }
}