/* 头部样式 */
.header {
	width: 96%;
	background-color: #007FED;
	color: white;
	padding: 10px 2%;
	display: flex;
	justify-content: space-between;
	align-items: center;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.logo-area {
	display: flex;
	align-items: center;
}

.logo {
	color: white;
	font-size: 24px;
	font-weight: bold;
	text-decoration: none;
	margin-right: 20px;
}

.search-box {
	display: flex;
}

.search-box input {
	padding: 8px 15px;
	border: none;
	border-radius: 4px 0 0 4px;
	width: 300px;
}

.search-box button {
	padding: 8px 15px;
	background-color: #f5f5f5;
	border: none;
	border-radius: 0 4px 4px 0;
	cursor: pointer;
}

.user-nav {
	display: flex;
	align-items: center;
}

.user-nav a {
	color: white;
	text-decoration: none;
	margin-left: 20px;
}

.user-avatar img {
	width: 36px;
	height: 36px;
	border-radius: 50%;
	border: 2px solid white;
}

.list_container {
	width: 1000px;
}

.list_item {
	float: left;
	margin: 10px 0;
	width: 45%;
	border-radius: 10px;
	box-shadow: 2px 5px 10px #bbbbbb;

}

.list_item:nth-child(2n) {
	margin-left: 2%;
}