* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
body {
	font-family: 'Helvetica Neue', Arial, sans-serif;
	background-color: #f5f5f5;
	color: #333;
	line-height: 1.6;
	padding: 20px;
	 user-select: none; /* CSS3 禁止选择文字*/
    -moz-user-select: none; /* Firefox 禁止选择文字*/
    -ms-user-select: none; /* IE10+ 禁止选择文字*/
    -webkit-user-select: none; /* before CSS3 禁止选择文字*/
}
.list-container {
	max-width: 710px;
	margin: 0 auto 20px auto;
	padding: 20px;
	background: #fff;
	border-radius: 8px;
	box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.list-content {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-around;
		 align-items: center;

}
.plus-sign {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  width: 40px;
}
.list-content p {
	width: 100%;
	margin-bottom: 15px;
	font-size: 1.2em;
	border-bottom: 2px solid #ddd;
	padding-bottom: 10px;
}
.ball {
	margin: 5px;
	padding: 10px 15px;
	background-color: #e0e0e0;
	color: #666;
	border-radius: 20px;
	transition: background-color 0.3s, color 0.3s;
}
.ball span {
	display: block;
	text-align: center;
	font-size: 1.5em;
	font-weight: bold;
}
.ball {
	position: relative;
	width: 60px;
	height: 60px;
	margin: 10px;
	border-radius: 50%;
	display: inline-block;
	background-color: #fff;
	background-size: cover;
	background-position: center;
	text-align: center;
}
.ball img {
	width: 100%;
	height: auto;
	border-radius: 50%;
	display: block;
}
.ball, .plus-sign {
	display: inline-block; 
	vertical-align: middle;
	text-align: center;
	
}

.ball span {
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%); 
	font-weight: bold;
	font-size: 30px;
	display: flex;
	align-items: center;
	justify-content: center;
}
.ball.hongbo {
	background-image: url('picture/red-color.png');
}
.ball.lanbo {
	background-image: url('picture/green-color.png');
}
.ball.lvbo {
	background-image: url('picture/blue-color.png');
}
.ball .info {
	position: absolute;
	bottom: -20px;
	left: 50%;
	transform: translateX(-50%);
	font-size: 14px;
	white-space: nowrap; 
}

/* 浮动返回首页 */
#back-to-home {
  position: fixed;
  bottom: 20px; 
  right: 20px;
  background-color: #333;
  color: #fff;
  padding: 10px 15px;
  border-radius: 5px;
  text-decoration: none;
}

#back-to-home:hover {
  background-color: #555;
}

@media (max-width: 600px) {
	.list-container {
		padding: 10px;
		margin: 20px auto;
	}
	.list-content p {
		font-size: 1em;
		padding-bottom: 5px;
	}
 .list-content {
  display: flex;
    align-items: flex-start;

}
	.ball {
		padding: 8px 12px;
		width: 35px; 
		height: 35px;
		margin: 2px;
	}
	.ball span {
		font-size: 18px; 
	}
	.ball, .plus-sign {
		display: inline-block;
		margin-bottom: 20px;
		font-size: 1.5em;
		font-weight: bold;
	}
	.plus-sign {
		width: 40px;
		height: 40px;
		font-weight: bold;
	}
	
}