.cover .container {
	position: relative;
	justify-content: center;
}
.cover .container .cover_middle {
	padding: 0;
}
.cover .container .cover_bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}
.why_wrap {
    justify-content: flex-start;
}
.why_item {
    margin: 10px;
}
.news_content ul,
.news_content ul li {
	list-style: disc;
margin-left: 10px;
}