@charset "utf-8";

/* 公共样式 */

* {
	margin: 0;
	padding: 0;
	position: relative;
	box-sizing: border-box;
	-webkit-box-sizing: border-box;
	outline: none !important;
}

html, body {
	width: 100%;
	font-size: 12px;
	min-height: 100vh;
	overflow-x: hidden;
	position: relative;
	background: #FFFFFF;
	font-weight: lighter;
	-webkit-overflow-scrolling: touch;
	font-family: "PingFang SC", "HanHei SC", "Helvetica Neue", Microsoft Yahei, "Helvetica", "STHeitiSC-Light", "Arial", sans-serif;
}

a {
	color: inherit;
	outline: none;
	text-decoration: none;
	-webkit-touch-callout: none;
}
a:hover,
a:focus,
a:visited {
	color: inherit;
}

img {
	border: 0;
	display: block;
	max-width: 100%;
	vertical-align: middle;
	-webkit-touch-callout: none;
}

table {
	border-spacing: 0;
	border-collapse: collapse;
}

ul, ol, li {
	list-style: none;
}

input, textarea {
	border: none;
	outline: none;
	-webkit-appearance: none;
}

span, em, a, img, button, input, textarea {
	-webkit-tap-highlight-color: rgba(255, 255, 255, 0);
}

/* 公用样式 */
header {
	top: 0;
	opacity: 1;
	z-index: 999;
	width: 100%;
	height: 100px;
	display: flex;
	position: fixed;
	align-items: center;
	justify-content: space-between;
	transition: opacity 0.3s ease-out 0.15s, top 0.2s ease-out, background 0.2s ease-out;
}

.header_bg {
	background: #FFFFFF;
}

.header_white.header_bg {
	background: #000000;
}

header > .logo {
	height: 100%;
	display: flex;
	margin-left: 65px;
	align-items: flex-start;
	padding-top: 42px;
}

header > .logo img {
	height: 34px;
	width: auto;
	max-width: none;
}

header > .menu_btn {
	padding: 47px 61px 24px 38px;
	height: 100px;
	display: flex;
	cursor: pointer;
	position: relative;
	align-items: center;
	justify-content: space-between;
}

header > .menu_btn > span {
	font-weight: lighter;
	margin-right: 24px;
	padding: 0;
	font-size: 22px;
	line-height: 22px;
	display: flex;
	align-items: center;
}

header > .menu_btn > img {
	width: 40px;
	height: 40px;
	margin: 0;
	padding: 0;
	display: block;
	object-fit: contain;
	transform: none;
}

.header_white > .menu_btn {
	color: #FFFFFF;
}

section {
	/*margin-top: 100px;*/
	min-height: calc(100vh - 230px);
}

section img {
	width: 100%;
}

.mask_box {
	position: relative;
	height: 100vh;
	display: flex;
	align-items: flex-end;
	justify-content: center;
}

.mask {
	position: absolute;
	left: 0;
	top: 0;
	width: 100%;
	background: black;
	height: 100vh;
	z-index: 9;
	opacity: 0;
	display: none;
}

.hide {
	display: none !important;
}

#swiper {
	overflow: hidden !important;
	transform: matrix(1, 0, 0, 1, 0, 0);
}

.swiper-wrapper > * > img {
	width: 100%;
	height: 100vh;
	object-fit: cover;
}

/* PC 左右箭头：对齐竞品 page/main.css（首页 mask_box + 关于我们 #swiper_b 通用） */
.swiper-button-prev,
.swiper-button-next {
	position: absolute !important;
	top: 0 !important;
	bottom: auto !important;
	margin: 0 !important;
	margin-top: 0 !important;
	opacity: 0;
	width: 15vw !important;
	height: 100% !important;
	display: flex !important;
	background: none !important;
	background-image: none !important;
	align-items: center;
	color: transparent !important;
	transition: opacity 0.15s ease-in;
	z-index: 30 !important;
	cursor: pointer;
	pointer-events: auto !important;
}

.swiper-button-prev:hover,
.swiper-button-next:hover {
	opacity: 1 !important;
}

.swiper-button-prev {
	justify-content: flex-start;
	left: 0 !important;
	right: auto !important;
}

.swiper-button-prev > img {
	margin-left: 60px;
	width: 82px !important;
	height: auto !important;
	max-width: none !important;
	display: block !important;
	pointer-events: none;
}

.swiper-button-next {
	justify-content: flex-end;
	right: 0 !important;
	left: auto !important;
}

.swiper-button-next > img {
	margin-right: 60px;
	width: 82px !important;
	height: auto !important;
	max-width: none !important;
	display: block !important;
	pointer-events: none;
}

/* 去掉 Swiper 自带字体/SVG 箭头，只用竞品 swiper_left/right.png */
.swiper-button-prev:after,
.swiper-button-next:after {
	content: '' !important;
	display: none !important;
	font-size: 0 !important;
}

.swiper-button {
	bottom: 0;
	width: 100%;
	height: 10vw;
	z-index: 999;
	display: flex;
	cursor: pointer;
	position: absolute;
	padding: 0 60px 40px;
	align-items: flex-end;
	justify-content: center;
}

.swiper-button > div {
	width: 100%;
	height: 24px;
	display: flex;
	font-size: 24px;
	line-height: 24px;
	align-items: center;
	justify-content: space-between;
}

.swiper-button > div > div {
	width: 33.33%;
}

.swiper-button > div > .swiper-button_btn {
	height: 10vw;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all 0.15s;
}

.swiper-button > div > .swiper-button_btn:hover {
	padding-top: 20px;
}

.swiper-button > div > .swiper-button_btn > img {
	width: 32px;
}

.swiper-pagination {
	display: flex;
	align-items: center;
	justify-content: flex-end;
}

.swiper-pagination-fraction {
	bottom: 0;
	width: auto;
	position: relative;
}

/* Vue Swiper 会改写 pagination 定位；三栏必须各 33.33%，否则中间下滑箭头偏右 */
.swiper-button .swiper-pagination,
.swiper-button .swiper-pagination-fraction {
	position: static !important;
	left: auto !important;
	right: auto !important;
	bottom: auto !important;
	width: 33.33% !important;
	margin: 0 !important;
	transform: none !important;
}

.menu_main {
	top: 0;
	right: 0;
	width: 0;
	height: 0;
	opacity: 0;
	padding: 0;
	display: none;
	position: absolute;
	background: #FFFFFF;
	transition: all 0.3s;
}

.menu_show {
	opacity: 1;
	padding: 80px;
	width: 100%;
	height: 100vh;
}

.menu_top {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
}

.menu_top > a:nth-child(1) > img {
	height: 34px;
}

.menu_close {
	height: 40px;
	cursor: pointer;
}

.menu_list {
	display: flex;
	margin-top: 190px;
	align-items: flex-start;
	justify-content: center;
	flex-direction: column;
}

.menu_list > a {
	color: #000000;
	font-size: 46px;
	font-weight: lighter;
	margin-bottom: 6.25vh;
}

.menu_list > a:after {
	left: 0;
	width: 0;
	height: 2px;
	content: '';
	bottom: -4px;
	position: absolute;
	background: #000000;
	transition: all 0.15s;
}

.menu_list > a:hover:after {
	width: 100%;
}

footer {
	width: 100%;
	height: 190px;
	display: flex;
	color: #666666;
	font-size: 14px;
	background: #FFFFFF;
	padding-bottom: 60px;
	align-items: flex-start;
	justify-content: space-between;
}

footer > div {
	width: 50%;
	height: 130px;
	display: flex;
	align-items: flex-start;
}

.footer_left {
	width: calc(100% - 220px);
	display: flex;
	align-items: flex-start;
	justify-content: flex-start;
}

.footer_left > div:last-child {
	margin-left: 25%;
}

.footer_ewm {
	margin-left: 60px;
	margin-right: 6.2%;
}

footer p {
	line-height: 28px;
}

.footer_ewm > img {
	width: 100px;
	height: 100px;
}

.footer_ewm > p {
	line-height: 32px;
	text-align: center;
}

.footer_right {
	width: 50%;
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
}

.footer_right > .links {
	margin-left: 5px;
	max-width: 65%;
}

.links > p:last-child > a {
	color: #666666;
	margin-right: 28px;
	display: inline-block;
}

.scroll_top {
	width: 78px;
	height: 78px;
	padding: 20px;
	margin-right: 40px;
	cursor: pointer;
	margin-top: -20px;
}

.scroll_top > img {
	width: 38px;
}

.mobile_footer {
	padding: 0 5.5vw;
	display: none;
	position: absolute;
	top: 30vw;
	left: 0;
	white-space: nowrap;
}

#main {
	margin: 0 60px;
	position: relative;
	width: calc(100% - 120px);
}

.page_close {
	width: 100%;
	margin: 100px auto 120px;
	display: flex;
	align-items: center;
	justify-content: center;
}

.page_close > img {
	width: 40px;
	cursor: pointer;
}

.separate {
	width: 100%;
	height: 1px;
	background: #E4E4E4;
}

.case_info {
	width: calc(100% + 10px);
	margin-left: -5px;
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	grid-template-rows: auto;
	grid-auto-flow: dense;
}

.case_info > *.big_info {
	grid-column-start: span 2;
	grid-row-start: span 2;
}

.case_info > * {
	display: block;
	width: auto;
	min-width: 0;
	margin: 5px;
	overflow: hidden;
	cursor: pointer;
	color: #666666;
}

.case_info > * > img {
	height: 100%;
	width: 100%;
	object-fit: cover;
}

.case_info > * > a {
	display: block;
	width: 100%;
	height: 100%;
	position: absolute;
	left: -100%;
	top: 0;
	background: rgba(255, 255, 255, 0.95);
	overflow: hidden;
	opacity: 0;
	transition: all 0.3s;
	padding: 30px;
}

.case_info > * > a > *:nth-child(1) {
	font-size: 24px;
	line-height: 24px;
	color: #000000;
	margin-bottom: 16px;
}

.case_info > * > a > *:nth-child(2) {
	font-size: 14px;
	line-height: 14px;
	color: #999999;
	display: flex;
	justify-content: flex-start;
}

.case_info > * > a > *:nth-child(2) > *:after {
	content: '/';
}

.case_info > * > a > *:nth-child(2) > *:last-child:after {
	content: none;
}


.case_info > * > a > *:nth-child(3) {
	font-size: 14px;
	line-height: 14px;
	color: #999999;
	position: absolute;
	bottom: 28px;
}

.case_info > *:hover > a {
	left: 0;
	opacity: 1;
}

.case_info > * > div {
	top: 0;
	left: 0;
	opacity: 0;
	width: 100%;
	height: 100%;
	position: absolute;
	background: #FFFFFF;
}

.after_hide:after {
	width: 0 !important;
}

@media (min-width: 1400px) and (max-width: 1610px) {
	.menu_list {
		margin-top: 15vh !important;
	}
}

@media (min-width: 0px) and (max-width: 1460px) {

	.case_info {
		grid-template-columns: repeat(4, 1fr) !important;
	}

	.menu_list {
		margin-top: calc(100vh - 4 * 7vh - 404px);
	}

}

@media (min-width: 0px) and (max-width: 1100px) {

	.case_info {
		grid-template-columns: repeat(2, 1fr) !important;
	}

	.case_info > *.big_info {
		grid-column-start: span 1;
		grid-row-start: span 1;
	}

}

@media (min-width: 1300px) and (max-width: 1366px) {
	.footer_left > div:last-child {
		margin-left: 20% !important;
	}

	.menu_list {
		margin-top: 15vh !important;
	}

	.menu_list > a {
		margin-bottom: 5.25vh;
	}

	.menu_show {
		padding: 60px 80px;
	}
}

@media (min-width: 1200px) and (max-width: 1299px) {
	.footer_left > div:last-child {
		margin-left: 18% !important;
	}
}

@media (min-width: 768px) and (max-width: 1024px) {

	.mask_box {
		height: 100vw;
	}

	.mask {
		height: 100vw;
	}

	.swiper-wrapper > * > img {
		height: 100vw;
	}

	.logo {
		margin-left: 40px !important;
	}

	.menu_btn {
		padding-right: 40px !important;
	}

	.swiper-button {
		padding: 0 40px 40px !important;
	}

	#main {
		margin: 180px 40px 0 !important;
		width: calc(100% - 80px) !important;
	}

	.footer_ewm {
		margin-left: 40px !important;
	}

	.scroll_top {
		margin-left: 40px;
		margin-right: 20px !important;
	}

	.menu_list {
		margin-top: 10vh;
	}

	.menu_list > a {
		margin-bottom: 4.5vh;
	}

	.case_info > *.big_info {
		grid-column-start: span 1;
		grid-row-start: span 1;
	}

	footer > div {
		width: 100%;
	}

	.links {
		display: none;
	}

	.footer_right {
		width: auto;
		justify-content: flex-end;
	}

	.footer_left > div:last-child {
		margin-left: 15%;
	}

	.logo {
		margin-left: 30px !important;
	}

	.footer_left {
		width: auto !important;
		padding-left: 30px !important;
	}

	.mobile_footer {
		padding: 30px !important;
	}

	.menu_btn {
		padding-right: 30px !important;
	}

	.swiper-button {
		padding: 0 30px 40px !important;
	}

	#main {
		margin: 120px 30px 0 !important;
		width: calc(100% - 60px) !important;
	}

	.footer_ewm {
		margin-left: 30px !important;
	}

	.scroll_top {
		margin-left: 30px;
		margin-right: 0 !important;
	}

	.case_info {
		margin-left: -5px !important;
		width: calc(100% + 10px) !important;
		grid-template-columns: repeat(2, 1fr) !important;
	}

	.case_info > *.big_info {
		grid-column-start: span 1;
		grid-row-start: span 1;
	}

	.case_info > * {
		margin: 5px !important;
	}

	.case_info > * > a {
		padding: 20px !important;
	}

	.case_info > * > a > p:nth-child(1) {
		font-size: 20px !important;
		line-height: 20px !important;
		margin-bottom: 14px !important;
	}

	.case_info > * > a > p:nth-child(2) {
		font-size: 12px !important;
		line-height: 12px !important;
	}

	.case_info > * > a > p:nth-child(3) {
		font-size: 12px !important;
		line-height: 12px !important;
		bottom: 18px !important;
	}

}

@media (min-width: 0px) and (max-width: 767px) {

	html, body {
		font-weight: normal;
	}

	.case_info {
		grid-template-columns: repeat(1, 1fr) !important;
	}

	.case_info > *.big_info {
		grid-column-start: span 1;
		grid-row-start: span 1;
	}

	header {
		height: 19vw;
	}

	header > .logo {
		margin-left: 5.5vw;
		padding-top: 1.1vw;
	}

	header > .logo img {
		height: 5.6vw;
		width: auto;
		max-width: none;
	}

	.menu_btn > span {
		display: none;
	}

	header > .menu_btn {
		height: 100%;
		padding: 0 5.5vw;
	}

	header > .menu_btn > img {
		width: 6.5vw;
	}

	.mask_box {
		height: 100vw;
	}

	.mask {
		height: 100vw;
	}

	.swiper-wrapper > * > img {
		height: 100vw;
	}

	.swiper-button {
		height: auto;
		padding: 0 5.5vw 4vw;
	}

	.swiper_title {
		font-size: 4.5vw;
	}

	.swiper-button > div > div {
		width: auto;
	}

	.swiper-pagination.swiper-pagination-fraction {
		font-size: 5vw;
	}

	.swiper-pagination.swiper-pagination-fraction > span:first-child {
		margin-right: 5px;
	}

	.swiper-pagination.swiper-pagination-fraction > span:last-child {
		margin-left: 5px;
	}

	.swiper-button > div > .swiper-button_btn {
		display: none;
	}

	.menu_show {
		padding: 5.5vw;
	}

	.menu_top {
		display: flex;
		align-items: center;
	}

	.menu_top > a:nth-child(1) {
		padding-top: 1.1vw;
	}

	.menu_top > a:nth-child(1) > img {
		height: 5.6vw;
	}

	.menu_close {
		height: 6vw;
	}

	.menu_list {
		margin-top: calc(100vh - 4 * 6.25vh - 60.5vh);
	}

	.menu_list > a {
		font-size: 8.5vw;
	}

	.links {
		display: none;
	}

	.more_case {
		font-size: 3.5vw !important;
		margin: 20vw 0 40vw !important;
	}

	#main {
		margin: 0 5.5vw;
		width: calc(100% - 11vw);
	}

	.footer_ewm {
		margin-left: 5.5vw;
	}

	.footer_ewm > img {
		width: 19vw;
		height: 19vw;
		max-width: 120px;
		max-height: 120px;
	}

	.footer_left > div:last-child {
		display: none;
	}

	footer {
		height: auto;
		position: relative;
		align-items: normal;
		flex-direction: column;
		padding-bottom: 10px;
	}

	footer > div {
		width: 100%;
		height: auto;
	}

	.footer_right {
		top: 0;
		right: 0;
		width: auto;
		position: absolute;
	}

	.footer_left > div:first-child {
		margin-top: -3px;
	}

	.mobile_footer {
		display: flex;
		align-items: center;
		justify-content: space-between;
		flex-wrap: wrap;
	}

	.case_tabs {
		padding-bottom: 5vw !important;
	}

	.case_tabs > div {
		font-size: 3vw !important;
		margin-right: 6vw !important;
	}

	.case_tabs > div:after {
		bottom: -1vw !important;
	}

	.case_info {
		width: 100% !important;
		margin-left: 0 !important;
	}

	.case_info > * {
		margin: 2.75vw 0 !important;
	}

	.case_info > *:last-child {
		margin-bottom: 0 !important;
	}

	.case_info > * > a {
		padding: 5vw !important;
	}

	.case_info > * > a > p:nth-child(1) {
		font-size: 5vw !important;
		margin-bottom: 1.5vw !important;
	}

	.case_info > * > a > p:nth-child(2),
	.case_info > * > a > p:nth-child(3) {
		font-size: 3vw !important;
	}

	.case_info > * > a > p:nth-child(3) {
		bottom: 5vw !important;
	}

	.footer_ewm {
		display: none;
	}

	.footer_left {
		width: auto;
		padding-left: 5.5vw;
	}

	.scroll_top {
		width: 100%;
		height: auto;
		display: flex;
		align-items: flex-start;
		justify-content: center;
		margin-right: 0;
		padding: 0;
		padding-right: 5.5vw;
		margin-top: 0;
		padding-bottom: 5.5vw;
	}

	.scroll_top > img {
		width: 5vw;
	}

	.mobile_footer {
		top: 0;
		position: relative;
		justify-content: flex-start;
	}

	.mobile_footer > p {
		margin-right: 2vw;
	}

	.mobile_footer > p:nth-child(2) {
		margin-right: calc(100% - 185px - 2vw);
	}

	.mobile_footer > p:nth-child(3) {
		margin-right: 3vw;
	}
	footer {
		padding-bottom: 25px;
	}

	.mobile_footer {
		margin-top: 24px;
	}

	.case_info {
		padding-bottom: 130px !important;
	}

	.scroll_top > img {
		width: 8vw;
	}
}

@media (min-width: 0px) and (max-width: 767px){}
@media (min-width: 768px) and (max-width: 1024px){}
@media (min-width: 1025px) and (max-width: 1366px){}
@media (min-width: 1367px) and (max-width: 1680px){}