/* a01 全局 */
* {
	color: #2F343B;
	margin: 0;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	font-family: "Microsoft Yahei", "Helvetica Neue", Helvetica, Arial, sans-serif;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	/* -moz-font-feature-settings: "liga", "kern"; */
}

ul {
	padding: 0;
}

li {
	list-style: none;
}

a {
	text-decoration: none;
}

img {
	vertical-align: top;
}

hr {
	opacity: .15;
}

.pc {
	display: block;
}

.mobile {
	display: none;
}

.AD {
	position: relative;
}

/* bg-color */
.bg-white {
	background-color: #fff;
}

.bg-style {
	background-size: cover;
	background-position: bottom right;
}

.over-hidden{
	overflow: hidden;
}

.margin-t8 {
	margin-top: 8px;
}

.margin-t16 {
	margin-top: 16px;
}

.margin-t32 {
	margin-top: 32px;
}

.margin-b8 {
	margin-bottom: 8px;
}

.margin-b16 {
	margin-bottom: 16px;
}

/* grid */
.d-grid {
	display: -ms-grid;
	display: grid;
}

.grid-gap-auto {
	grid-gap: 24px;
}

@media screen and (max-width: 720px) {
	.grid-gap-auto {
		grid-gap: 16px;
	}
}

.grid-gap-8 {
	grid-gap: 8px;
}

.grid-gap-16 {
	grid-gap: 16px;
}

.grid-gap-24 {
	grid-gap: 24px;
}

.grid-gap-50 {
	grid-gap: 50px;
}

.grid-col-all {
	-ms-grid-columns: calc(25% - 24px + 6px) calc(25% - 24px + 6px) calc(25% - 24px + 6px) calc(25% - 24px + 6px);
	grid-template-columns: calc(25% - 24px + 6px) calc(25% - 24px + 6px) calc(25% - 24px + 6px) calc(25% - 24px + 6px);
}

@media screen and (max-width: 1720px) {
	.grid-col-all {
		-ms-grid-columns: calc(33.33% - 24px + 6px) calc(33.33% - 24px + 6px) calc(33.33% - 24px + 6px);
		grid-template-columns: calc(33.33% - 24px + 6px) calc(33.33% - 24px + 6px) calc(33.33% - 24px + 6px);
	}
}

@media screen and (max-width: 1024px) {
	.grid-col-all {
		-ms-grid-columns: calc(50% - 24px + 6px) calc(50% - 24px + 6px);
		grid-template-columns: calc(50% - 24px + 6px) calc(50% - 24px + 6px);
	}
}

@media screen and (max-width: 720px) {
	.grid-col-all {
		-ms-grid-columns: 100%;
		grid-template-columns: 100%;
	}
}

.grid-col-2 {
	-ms-grid-columns: auto auto;
	grid-template-columns: auto auto;
}

.grid-col-3 {
	-ms-grid-columns: auto auto auto;
	grid-template-columns: auto auto auto;
}

/* display flex */
.d-flex {
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
}

.flex-center {
	-webkit-box-pack: center;
	-ms-flex-pack: center;
	justify-content: center;
	-webkit-box-align: center;
	-ms-flex-align: center;
	align-items: center;
}

.flex-left-center {
	-webkit-box-pack: left;
	-ms-flex-pack: left;
	justify-content: left;
	-webkit-box-align: center;
	-ms-flex-align: center;
	align-items: center;
}

.flex-center-spaceBetween {
	-webkit-box-pack: justify;
	-ms-flex-pack: justify;
	justify-content: space-between;
	-webkit-box-align: center;
	-ms-flex-align: center;
	align-items: center;
}

.flex-end {
	-webkit-box-pack: end;
	-ms-flex-pack: end;
	justify-content: flex-end;
	-webkit-box-align: center;
	-ms-flex-align: center;
	align-items: center;
}

.bg{
	background-repeat: no-repeat;
	background-position: center;
	
}

@media screen and (max-width: 1120px) {
	.pc {
		display: none;
	}

	.mobile {
		display: block;
	}
}

.content-auto {
	width: 100%;
	max-width: 1920px;
	padding: 0 3%;
}

.content-1180 {
	width: 100%;
	max-width: 1180px;
	margin: auto;
}

.content-1280 {
	width: 100%;
	max-width: 1280px;
	margin: auto;
}

.content-1420 {
	width: 100%;
	max-width: 1420px;
	margin: auto;
}

.content-box-540 {
	width: 540px;
	padding: 48px;
	margin: auto;
	position: relative;
}

.content-box-720 {
	width: 720px;
	padding: 48px;
	margin: auto;
	position: relative;
}

.title-Subheading {
	width: auto;
	margin: auto;
	margin-bottom: 16px;
}

/* a02 单独页面 */