* {
	margin: 0;
	padding: 0;
}

/* 导航 */
.crumbs {
	width: 1200px;
	height: 41px;
	margin: 40px auto 18px;
	font-size: 20px;
}

.clear {
	content: "";
	overflow: hidden;
	clear: both;
}

.crumbs>div:first-child {
	width: 18px;
	height: 18px;
	border: 1px solid #ff2020;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	border-radius: 50%;
	margin-right: 5px;
	margin-top: 5px;
}

.crumbs>div:first-child span {
	display: block;
	width: 10px;
	height: 10px;
	background: #ff2020;
	margin-top: 3px;
	border-radius: 50%;
	margin-left: 3px;
}

.left {
	float: left;
}

.container {
	width: 1200px;
	overflow: hidden;
	margin: 20px auto 0;
}

.content {
	width: 1100px;
	margin: 0 auto 30px;
}

/*display:flex;align-content: center;justify-content: center;*/
.nav {
	width: 120px;
}

.container .nav a {
	display : block;
	height: 50px;
	width : 100%;
	line-height: 50px;
	text-align: center;
	cursor: pointer;
}

.container .nav a span:nth-child(1) {
	display: inline-block;
	width: 10px;
	height: 10px;
	background: #ccc;
	margin-right: 5px;
}

.container .nav .active span:nth-child(1) {
	background: #EB1C1C;
}

.container .nav .active span:nth-child(2) {
	color: #EB1C1C;
}
/* 鼠标点击效果 */
.container .nav .active span:nth-child(1):after{
	content: '';
	background: #EB1C1C;
	transform: translateX(-50%);
}
.container .nav .active span:nth-child(2):after{
	content: '';
	color: #EB1C1C;
	transform: translateX(-50%);
}

.nav-content {
	width: 900px;
	min-height: 260px;
	border-left: 1px solid #ccc;
	padding: 10px 0 30px 50px;
	padding-top: 10px;
}

.nav-content p {
	text-indent: 24px;
	line-height: 30px;
	font-size: 14px;
}

.title {
	height: 30px;
	line-height: 30px;
	text-align: center;
	margin-bottom: 15px;
	font-size: 22px;
}

.rich {
	padding: 20px 0;
	cursor: pointer;
}

.rich>>>img {
	display: block;
	max-width: 60%;
	margin: 0 auto;
}

.rich>>>p {
	font-size: 14px;
	line-height: 32px;
}
p#back-to-top {
  position: fixed;
  bottom: 250px;
  right: 30px;
}
p#back-to-top a {
  text-align: center;
  text-decoration: none;
  color: #d1d1d1;
  display: block;
  width: 80px;

  /*使用CSS3中的transition属性给跳转链接中的文字添加渐变效果*/

  -moz-transition: color 0.5s;
  -webkit-transition: color 0.5s;
  -o-transition: color 0.5s;
}
p#back-to-top a:hover {
  color: #979797;
}
p#back-to-top a span {
  background: url('../../images/up.png') no-repeat center center;
  background-size: 100% 100%;
  display: block;
  height: 50px;
  width: 50px;
  margin-bottom: 5px;

  /*使用CSS3中的transition属性给<span>标签背景颜色添加渐变效果*/

  -moz-transition: background 0.5s;
  -webkit-transition: background 0.5s;
  -o-transition: background 0.5s;
}