/*====================================
产品与服务
PC端
====================================*/
.banner {
  margin-bottom: 30px;
}

.banner img {
  display: block;
  width: 100%;
}

.about-content {
  margin-top: 20px;
  line-height: 2.5;
  font-size: 16px;
}

.about-content img{
	width:100%;
}

.about-content p {
  font-size: 18px;
  color: #000000;
  line-height: 3;
  text-align: justify;
}

.about-nums {
  background-color: #f3f3f3;
  padding: 30px 0 30px 0;
  box-sizing: border-box;
  margin-top: 25px;
}

.about-nums ul {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.about-nums ul li {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.about-nums ul li .num {
  display: flex;
  align-items: flex-end;
}

.about-nums ul li .num .year {
  font-size: 60px;
  color: #000000;
}

.about-nums ul li .num .icon {
  font-size: 29px;
  color: #000000;
}

.about-nums ul li .word-text {
  font-size: 29px;
  color: #000000;
  margin-top: 40px;
}

.culture h3 {
  font-size: 26px;
  color: #000000;
  font-weight: normal;
  margin-top: 27px;
  text-align: center;
}

.culture p {
  font-size: 18px;
  color: #000000;
  margin-top: 20px;
  text-align: center;
  line-height: 2;
}

.culture .culture-box {
  display: flex;
  margin-top: 30px;
}

.culture .culture-box .items-img {
  margin-left: 12px;
}

.culture .culture-box .items-img:first-child {
  margin-left: 0;
}

.culture-big-bg {
  margin: 24px 0 30px 0;
}

.culture .culture-box .items-img img,
.culture-big-bg img {
  display: block;
  width: 100%;
}

/*====================================
移动端
====================================*/
@media screen and (max-width: 1600px) {
  .about-content {
    margin-left: 10px;
    margin-right: 10px;
  }

  .about-nums ul {
    margin-left: 10px;
    margin-right: 10px;
  }

  .culture p {
    margin-left: 10px;
    margin-right: 10px;
  }
}

@media screen and (max-width: 980px) {
  .culture .culture-box {
    flex-wrap: wrap;
    margin-left: 10px;
    margin-right: 10px;
  }

  .culture .culture-box .items-img {
    width: 100%;
    margin-top: 24px;
    margin-left: 0;
  }

  .about-content p {
    text-indent: 2rem;
  }

  .culture-big-bg {
    margin-left: 10px;
    margin-right: 10px;
  }
}

@media screen and (max-width: 768px) {
  .about-nums ul {
    justify-content: space-evenly;
  }

  .about-nums ul li {
    margin-top: 30px;
  }
}

@media screen and (max-width: 640px) {
  .about-content {
    margin-top: 30px;
  }
  
  .about-content p {
    font-size: 16px;
    line-height: 2;
  }
  
  .about-nums {
    padding: 26px 0 57px 0;
    box-sizing: border-box;
    margin-top: 40px;
  }

  .culture .culture-box {
    margin-top: 30px;
  }

  .about-nums ul li {
    width: 50%;
  }
  
  .about-nums ul li .num .year {
    font-size: 36px;
  }
  
  .about-nums ul li .num .icon {
    font-size: 20px;
  }
  
  .about-nums ul li .word-text {
    font-size: 18px;
    margin-top: 30px;
  }
  
  .culture h3 {
    font-size: 20px;
  }
  
  .culture p {
    font-size: 16px;
  }
}