*{margin:0;padding:0;list-style: none;text-decoration : none;font-family: "黑体", cursive, serif, sans-serif;}
.periphery{
	width: 100%;overflow: auto;
}

.banner{width:100%;}
.banner img{width: 100%}

.crisis{width: 70%;margin:auto;padding:40px 0;}
#crisis-title{font-size: 38px;text-align: center;color: #c71d1d;cursor:pointer;}
#crisis-description{font-size: 22px;text-align: center;color: #737373;font-weight: 300;padding:15px 0;cursor:pointer;}
#crisis-decorate{width: 100px;height: 6px;background: #f9a1a1;border-radius: 20px;margin:auto;cursor:pointer;}
.crisis ul{width: 100%;overflow: auto;margin:30px auto 0;}
.crisis ul li{width: 32%;float: left;margin-left: 1%;position: relative;margin-top: .5%;cursor:pointer;}
.crisis ul li img{width: 100%}
.crisis ul li h4{font-size: 22px;position: absolute;left:35%;bottom:58%;color: #1f2c5d}
.crisis ul li p{
	font-size: 19px;font-weight: 300;position: absolute;left:35%;top:46%;color: #737373;padding-right: 10px;
	line-height: 1.3
}
.crisis-statistics{width: 98%;background: #f4f4f4;padding:20px 0;border-radius: 6px;margin-left: 1%;margin-top: 20px}
.crisis-statistics h2{color:#4b4b4b;font-size: 32px;padding:0 2%;}
.crisis-statistics p{color:#565656;font-size: 24px;padding:0 2%;margin-top: 8px;line-height: 1.3}
.crisis-statistics p span{font-weight: 800;}







@media(max-width: 1200px){
	.crisis {width: 80%;}
	.crisis-statistics h2 {font-size: 28px;}
}
@media(max-width: 1060px){
	.crisis {width: 90%;}
	#crisis-title {font-size: 32px;}
	#crisis-description {font-size: 21px;}
}
@media(max-width: 900px){
	.crisis ul li h4 {font-size: 21px;}
	.crisis ul li p {font-size: 17px;}
	.crisis-statistics h2 {font-size: 25px;}
	.crisis-statistics p {font-size: 21px;}
}
@media(max-width: 800px){
	.crisis {width: 95%;}
	.crisis ul li {width: 49%;}
}



@media(max-width: 500px){
	.crisis {padding: 20px 0;}
	.crisis ul {margin: 15px auto 0;}
	#crisis-title {font-size: 21px;}
	#crisis-description {font-size: 15px;}
	.crisis ul li p {font-size: 15px;}
	.crisis ul li h4 {font-size: 18px;}
	.crisis-statistics h2 {font-size: 22px;}
	.crisis-statistics p {font-size: 18px;}
}
@media(max-width: 430px){
	.crisis ul li {width: 99%;}
	.crisis ul {width: 75%;}
}