*{
  list-style: none;
  margin: 0;
  padding: 0;
}
.banner-box {
	background-image: url("../image/support/support.jpg");
}

.item-title {
	width: 100%;
	text-align: center;
	margin-bottom: 50px;
}

.item-title h2 {
	font-size: 28px;
	font-family: PingFang SC;
	font-weight: bold;
	color: #333333;
	line-height: 50px;
	margin-bottom: 14px;
}

.title-bottom {
	width: 0px;
	height: 0px;
	border: 14px solid #000;
	border-top-color: #000;
	border-bottom-color: transparent;
	border-left-color: transparent;
	border-right-color: transparent;
	margin: 0 auto;
}
.item-white h2{
	color: #fff;
}
.item-white .title-bottom{
	border-top-color: #FFF;
}

.item-box{
	width: 100%;
	height: auto;
	padding: 50px 0;
}
.item-main{
	width: 1200px;
	height: auto;
	margin: 0 auto;
	box-shadow: 0px 0px 18px 0px rgba(0,0,0,0.3);
	border-radius: 20px;
}



.deploy-container{
  background-color: #f8f8f8;
}

.deploy-main{
  box-shadow: none;
  border-radius: 0;
  width: 1150px;
}


.problem-main,.base-main{
  background-color: #f3f3f3;
  box-shadow: none;
  padding: 20px 20px;
}

.problem-list,.deploy-list,.base-list{
  background-color: #fff;
  padding: 30px 50px 60px;
}
.problem-list li,.deploy-list li,.base-list li{
  font-size: 18px;
  color: #666;
  display: flex;
  justify-content: space-between;
  padding: 18px 0;
  border-bottom: 2px solid #eee;
}

.problem-list li p,.deploy-list li p,.base-list li p{
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 90%;
}
.problem-list li span a,.deploy-list li span a,.base-list li span a{
  margin-left: 10px;
}
.problem-list li span a:hover,.deploy-list li span a:hover,.base-list li span a:hover{
  color: #5b8bff;
}

.page-box{
  width: 100%;
  text-align: center;
  background-color: #fff;
  display: flex;
  justify-content: center;
  padding-bottom: 20px;
}
.page-box li{
  width: 30px;
  height: 30px;
  font-size: 18px;
  line-height: 30px;
  border-radius: 50%;
  background-color: #f7f7f7;
  margin-left: 8px;
  cursor: pointer;
}
.page-box li.active{
  color: #fff;
  background-color: #5b8bff;
}

@media (max-width: 768px) {
  .banner-box{
    height: 260px;
  }
  .banner-box h1{
    line-height: 260px;
    font-size: 36px;
  }
  .nav-box{
		height: 40px;
	}
	.nav-main{
		width: 100%;
		padding: 0 15px;
		font-size: 12px;
		line-height: 40px
	}
	.nav-main b{
		font-size: 14px;
	}
	.nav-list li{
		margin-left: 8px;
	}

  .item-main{
    width: 100%;
  }
  .item-title{
    margin-bottom: 30px;
  }
  .problem-main{
    padding: 0;
  }
  .problem-list, .deploy-list{
    padding: 15px;
  }
  .problem-list li > a,.deploy-list li >a{
    width: 100%;
  }
}