body {
    margin: 0;
	overflow-x: hidden;
	-webkit-overflow-scrolling: touch;

	font-family: PingFangSC-Regular, PingFang SC;
}

img {
	-webkit-user-drag: none;
}

/* 水平布局 */
.flex-row {
	display: flex;
	flex-direction: row;
}
/* flex row时（交叉轴）垂直（上下）居中 */
.flex-row-v-center {
	display: flex;
	flex-direction: row;
	align-items: center;
}
/* 垂直布局 */
.flex-column {
	display: flex;
	flex-direction: column;
}
/* flex column时（交叉轴）水平（左右）居中 */
.flex-column-h-center {
	display: flex;
	flex-direction: column;
	align-items: center;
}

.justify-content-center {
	justify-content: center;
}

.justify-content-space-between {
	justify-content: space-between;
}

.position-relative {
	position: relative;
}

.position-absolute {
	position: absolute;
}

.cursor-pointer {
	/* #ifdef H5 */
	cursor: pointer;
	/* #endif */
}

.text-align-center {
	text-align: center;
}

.section {
	width: 1200px;
}

.header {
	position: fixed;
	z-index: 3;
	width: 100%;
	height: 88px;
	background: rgba(255,255,255,0.1);
	color: #FFFFFF;
}

.header .column  {
	height: 100%;
}

.header .column .logo-text {
	margin-left: 10px;
	width: 94px;
	height: 30px;

	background-size: cover;
	background-image: url(../image/common/logo.text.up.png);
}

.header .column .slogan {
	margin-left: 10px;

	height: 22px;
	font-size: 16px;
	line-height: 22px;
}

.header .column .menu {
	margin-left: 50px;
	position: relative;
	text-decoration: none;

	height: 33px;
	font-size: 24px;
	line-height: 33px;
	cursor: pointer;

	color: #ffffff;
}

.header .column .menu::after { /* 下划线 */
	position: absolute;
	z-index: 10;
	left: 0;
	right: 0;
	bottom: -5px;
	height: 4px;
	content: '';
	transform: scaleX(0);

	background: #ffffff;
}

.header .column .menu:hover::after{ /* 下划线 */
	transform: scaleX(1);
	transform: scaleY(.6) !important;
	transition: transform 200ms ease-in-out;
}

.header .column .menu-selected {
	font-weight: bold;
	font-family: PingFangSC-Medium, PingFang SC;
}

.header .column .menu-selected::after { /* 下划线 */
	transform: scaleX(1) !important;
	transform: scaleY(1);
}

.header-scroll-down {
	background: #FFFFFF !important;
	color: #000000 !important;
}

.header-scroll-down .column .logo-text-scroll-down {
	background-image: url(../image/common/logo.text.scroll-down.png) !important;
}

.header-scroll-down .column .menu-scroll-down {
	color: #000000 !important;
}

.header-scroll-down .column .menu-scroll-down::after { /* 下划线 */
	background: #000000 !important;
}

.top {
	width: 100%;
	height: 600px;
}
.top .banner {
	position: absolute;
	top: 0;
}
.top .banner .left {
	position: relative;
	z-index: 2;
}
.top .banner .left .title {
	margin-top: 247px;

	height: 73px;
	font-size: 52px;
	font-weight: bold;
	color: #FFFFFF;
	line-height: 73px;
	font-family: PingFangSC-Medium, PingFang SC;
}
.top .banner .left .text {
	margin-top: 5px;

	height: 33px;
	font-size: 24px;
	font-weight: bold;
	color: #FFFFFF;
	line-height: 33px;

	position: relative;
	z-index: 2;
}

.bottom {
	width: 100%;
	height: 346px;
	background: #363642;
}


.bottom .section {
	position: relative; 
	color: #FFFFFF; 
	height: 100%;
}

.bottom .column {
	margin: 32px 83px 0 74px;
	height: 25px;
	font-size: 18px;
	line-height: 25px;
}

.bottom .column .title {
	height: 33px;
	font-size: 24px;
	font-weight: bold;
	line-height: 33px;
}

.bottom .column .link {
	text-decoration: none;
	color: #FFFFFF;
}

.bottom .column .link:hover {
	text-decoration: underline;
	text-underline-offset: 5px;
}

.bottom .copyright {
	width: 100%;
	position: absolute;
	bottom: 14px;

	font-size: 14px;
	height: 20px;
	line-height: 20px;
}