nav ul li,a{
	text-decoration: none;
	color: black;
	list-style:none;
	margin: 0px 10px;
	font-size: 1em;
	color: black;
	transition: 0.5s;
}
nav ul li a:hover{
	border-bottom: 2px solid orange;
}
nav ul{
	display: flex;
	flex-wrap: nowrap;
	justify-content: flex-start;
	align-items: center;
	margin: 0px;
	padding: 0px;
}
nav a img{
	width: 100px;
	height: 100px;
	margin: 0px;
	padding: 0px;
}
nav{
	height: 100px;
	background-color:#EBF7FF;
	color: black;
	display: flex;
	justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    flex-direction: row;
}
nav .search{
	margin-right: 50px;
}
nav .search input{
	border-radius: 10px;
}
.bottom{
	margin-top: 130px;
	text-align: center;
}

.bottom .pinglun{
	width: 100%;
	height: 150px;
	background-color: #47647F;
	display: flex;
	flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-around;
    align-items: center;
	color: white;
}
.bottom .pinglun input{
	width: 500px;
	height: 40px;
	border-radius: 10px;
	font-size: 1em;
}
.bottom .pinglun button{
	width: 100px;
	height: 45px;
	background-color: #48A6E9;
	
}
.bottom .bottomText{
	width: 100%;
	height: 200px;
	background-color: #222;
}
.bottom .bottomText .icon i{
	margin-top: 50px;
	color: lightblue;
}
.bottom .bottomText .copy span{
	font-size: 2em;
	color: #428DC4;
}