* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: Helvetica, "PingFang SC", "Microsoft Yagei", sans-serif;
	font-size: 14px;
}

img {
	width: 100%;
}

/* 定义一个:root ，后边所有元素都可以用到 */
:root {
	--primary-color: #ff434f;
	/*主色调*/
	--secondary-color: #e3e3e3;
	--text-color-lightest: #e7e9ec;
	--text-color-darker: #2e2e2e;
	--text-color-dark: #494949;
	--text-color-gray: #8b8b8b;
	--text-color-dark-gray: #727272;
	--text-color-light-gray: #c6c6c6;
	--backdrop-color: rgba(42, 42, 42, 0.69);
	/*遮罩层颜色*/

}

body {
	height: 100vh;
	width: 100vw;
	overflow-x: hidden;
}

header {
	width: 100vw;
	height: 60px;
	display: grid;
	/*栅格布局*/
	grid-template-columns: 1fr 2fr;
	padding: 0 40px;
	/*上下为0 ，左右为40个像素*/
	align-items: center;
	position: relative;
	z-index: 200;
	background: #32BBA5;
}

.logo {
	font-size: 24px;
	font-weight: 600;
	color: var(--text-color-lightest);
}

header nav {
	justify-self: end;
	/*放置在最后边*/
}

header nav i {
	color: var(--text-color-lightest);
	cursor: pointer;
}

header nav a {
	color: var(--text-color-lightest);
	text-decoration: none;
	margin: 0 24px;
	/*上下为0 ，左右为24个像素*/
}

header.burger {
	display: none;
}

header.sticky {
	position: fixed;
	background-color: #32BBA5;
	box-shadow: 0 0 18px rgba(0, 0, 0, 0.1);
	animation: dropDown 0.5s ease-in-out forwards;
}

header.sticky .logo,
header.sticky nav a,
header.sticky nav i {
	/* color: var(--text-color-lightest);
    text-decoration: none; */
}

.layui-carousel .layui-this>div.p {
	position: absolute;
	z-index: 2;
	display: block;
	width: 100%;
	bottom: 50%;
	text-align: center;
	color: #F4F4F4;
	font-size: 14px;
	text-indent: 55px;
	line-height: 24px;
	text-indent: 10px;
	text-overflow: ellipsis;
	white-space: nowrap;
	padding: 0;
	margin: 0;
}

.layui-carousel .layui-this>div.p h1 {
	font-size: 30px;
	margin-bottom: 40px;
	opacity: 1;
	transform: translateY(0px)
}

.layui-carousel .layui-this>div.p h3 {
	font-size: 24px;
	margin-bottom: 40px;
	opacity: 1;
	transform: translateY(0px);
}

@keyframes dropDown {
	from {
		transform: translateY(-100px);
	}

	to {
		transform: translateY(0);
	}
}

.glide {
	position: relative;
	top: -80px;
	z-index: 50;
}

.glide__slide img,
.glide__slide video {
	width: 100vw;
	height: 100vh;
	object-fit: cover;
	/*等比例的缩放*/
}

.slide-caption {
	position: absolute;
	z-index: 70;
	color: var(--text-color-lightest);
	text-align: center;
	max-width: 60vw;
	/*60vw表示占比60%*/
}

.glide__slide {
	display: flex;
	align-items: center;
	justify-content: center;
}

.slide-caption h1 {
	font-size: 54px;
	font-weight: 600;
}

.slide-caption h3 {
	font-size: 24px;
	margin: 48px 0;
}

.slide-caption.left {
	max-width: 80vw;
	text-align: left;
}

.slide-caption>* {
	/*  “>*”只选中下一层（直接）的子元素*/
	opacity: 0;
}

.backdrop {
	/* background: var(--backdrop-color); */
	position: absolute;
	z-index: 0;
	width: 100%;
	height: 100%;
	left: 0;
	top: 0;
	opacity: 0.5;
	/*透明度*/
}

.explore-btn {
	padding: 14px 32px;
	border: 0;
	border-radius: 4px;
	color: var(--text-color-lightest);
	background-color: var(--primary-color);
	font-size: 18px;
	cursor: pointer;
	outline: none;
}

.explore-btn span {
	display: inline-block;
	position: relative;
	transition: 0.5s;
}

.explore-btn span:after {
	content: '»';
	position: absolute;
	opacity: 0;
	top: 0;
	right: -30px;
	transition: 0.5s;
}

.explore-btn:hover span {
	padding-right: 20px;
}

.explore-btn:hover span:after {
	opacity: 1;
	right: 0;
}

/* 关于我们 */

/* 内容区域，通用样式 */
.content-wrapper {
	display: flex;
	align-items: center;
	/*垂直居中*/
	justify-content: center;
	/* 水平居中,只针对content */
	flex-direction: column;
}

section {
	display: grid;
	/*栅格布局*/
	justify-items: center;
	/* 水平居中,只针对所有的列的对齐方式 */
	max-width: 1180px;
	padding: 0 80px;
}

.section-bg {
	position: relative;
}

.section-bg::before {
	content: "";
	display: block;
	position: absolute;
	background-color: #f9fbfb;
	width: 100vw;
	height: 100%;
	z-index: -1;
}

.title1 {
	font-size: 34px;
	color: var(--text-color-dark);
}

.title1::after {
	/* ::after为尾元素*/
	content: "";
	display: block;
	width: 80%;
	height: 4px;
	background-color: var(--primary-color);
	margin-top: 14px;
	transform: translate(10%);
	/* translate（10%）为移动到x轴10% */
}

.intro {
	margin: 28px 0 60px 0;
	/* 距上边28px 距右边0 距下边60px 距左边0 */
	font-size: 18px;
	color: var(--text-color-dark-gray);
}

.about-us {
	padding-bottom: 32px;
	/*距离底部32px*/
}

.features {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	/*grid的3列布局,repeat(3,1fr)其中3是重复3次，1fr是重复的位置；此处也可以写成1fr 1fr 1fr*/
	grid-template-rows: 126px 126px;
	/* grid的2行布局*/
	column-gap: 5vw;
	/*列之间的间隙*/
}

.feature {
	display: grid;
	grid-template-areas:
		"icon title"
		"icon content";
	/*自定义行和列布局的名字和位置,后面的子元素用到areas的地方可直接写这里边的内容*/
	grid-template-columns: 60px 1fr;
	grid-template-rows: 1fr 3fr;
}

.feature i.fas {
	grid-area: icon;
	font-size: 34px;
	color: var(--primary-color);
}

.feature-title {
	grid-area: title;
	font-size: 18px;
	color: var(--text-color-darker);
}

.feature-content {
	grid-area: content;
	color: var(--text-color-gray);
	margin-top: 10px;
}

/* 成功案例 */
.showcases {
	max-width: unset;
	padding: 0;
	padding-top: 72px;
}

.filter-btns {
	margin-top: 54px;
	margin-bottom: 38px;
}

.filter-btn {
	margin: 0 7px;
	background-color: var(--secondary-color);
	border: 0;
	color: var(--text-color-dark-gray);
	padding: 8px 18px;
	border-radius: 4px;
	cursor: pointer;
	transition: 0.4s;
}

.filter-btn:focus,
.filter-btn:active {
	outline: none;
	/*也可以在。filter-btn中写outline:none，是一个效果*/
}

.filter-btn.active,
.filter-btn:hover {
	background-color: var(--primary-color);
	color: var(--text-color-lightest);
}

.showcases .cases {
	width: 100vw;
}

.showcases .case-item {
	width: 25vw;
	height: 20vw;
	overflow: hidden;
	/*缩放时超出的部分不可见*/
}

.case-item img {
	height: 100%;
	object-fit: cover;
	/*自动等比例缩放*/
}

/*服务流程部分*/
.service {
	padding-top: 131px;
}

.services {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	grid-template-rows: 1fr 1fr;
	column-gap: 38px;
	row-gap: 34px;
}

.service-item {
	display: grid;
	grid-template-areas:
		"ser-icon ser-title"
		"ser-icon ser-content";
	grid-template-columns: 70px 1fr;
	/*第一列70px，剩下的填满整个剩余空间*/
	grid-template-rows: 1fr 3fr;
	padding: 24px;
	box-shadow: 0px 0px 18px rgba(0, 0, 0, 0.06);
}

.service-item:hover {
	box-shadow: 0 12px 16px 0 rgba(0, 0, 0, 0.24), 0 17px 50px 0 rgba(0, 0, 0, 0.19);
	;
	transition: 0.5s;
}

.service-item i.fas {
	grid-area: ser-icon;
	font-size: 42px;
	color: var(--primary-color);
	padding: 6px;
}

.service-title {
	grid-area: ser-title;
	font-size: 24px;
	color: var(--text-color-darker);
}

.service-item .service-content {
	grid-area: ser-content;
	color: var(--text-color-gray);
	line-height: 30px;
	font-size: 16px;
	margin-top: 8px;
}

/* 团队介绍 */
.team-intro {
	margin-top: 48px;
	padding-top: 62px;
	/* 上方内边距*/
	padding-bottom: 52px;
}

.team-members {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	column-gap: 24px;
	margin-top: 86px;
}

.team-member {
	background-color: white;
	box-shadow: 0 0 24px rgba(0, 0, 0, 0.2);
	text-align: center;
	display: grid;
	padding-bottom: 28px;
	transition: 0.4s;
	justify-items: center;
}

.team-member .profile-image {
	overflow: hidden;
	/* 蒙版 */
}

.profile-image img {
	width: 100%;
	height: 264px;
	object-fit: cover;
	/* 自动等比例缩放*/
	object-position: top center;
	/* 等比例缩放后的位置为图片的中上方，这样的显示更好 */
}

.team-member .name {
	margin-top: 18px;
	font-size: 18px;
	font-weight: 500;
	color: var(--text-color-dark);
}

.team-member .position {
	margin-top: 12px;
	color: var(--text-color-dark-gray);
	margin-bottom: 18px;
	padding: 0 20px;
}

.team-member .social-links {
	width: 100%;
	max-width: 200px;
	padding: 0 24px;
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	column-gap: 10px;
}

.team-member .social-links li {
	list-style: none;
}

.social-links li a {
	color: var(--text-color-dark);
	text-decoration: none;
}

.team-member:hover {
	transform: translateY(-20px) scale(1.05);
	/* -的就是往上走，+就是往上走,scale(1.05)是放大到1.05倍 */
	box-shadow: 0 0 36px rgba(0, 0, 0, 0.1);
}

/* 数据区域 */
.data-section {
	max-width: unset;
	height: 255px;
	display: grid;
	grid-template-columns: repeat(4, minmax(auto, 220px));
	width: 100vw;
	background-image: url("images/adult-business-computer-contemporary-380769.jpg");
	background-size: cover;
	background-position: center;

	align-items: center;
	justify-content: center;
	position: relative;
	z-index: 20;
}

.data-section::before {
	content: "";
	display: block;
	position: absolute;
	background-color: var(--backdrop-color);
	width: 100%;
	height: 100%;
	z-index: 1;
}

.data-piece {
	width: 255px;
	display: grid;
	grid-template-rows: repeat(3, 1fr);
	color: white;
	justify-items: center;
	position: relative;
	z-index: 40;
}

.data-piece i.fas {
	font-size: 44px;
}

.data-piece .num {
	margin-top: 7px;
	font-size: 41px;
	font-weight: 600;
}

.data-piece .data-desc {
	font-weight: 500;
	font-size: 18px;
}

/* 公司动态 */
.company-activities {
	margin-top: 62px;
	margin-bottom: 62px;
}

.activities {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	column-gap: 24px;
}

.activity {
	background-color: white;
	box-shadow: 0 0 24px rgba(0, 0, 0, 0.2);
	padding-bottom: 28px;
	transition: 0.4s;
}

.activity:hover {
	transform: translateY(-20px) scale(1.05);
	box-shadow: 0 0 36px rgba(0, 0, 0, 0.1);
}

.activity .act-image-wrapper {
	overflow: hidden;
}

.activity img {
	width: 100%;
	height: 300px;
	object-fit: cover;
	/* 自动等比例缩放*/

}

.activity .meta {
	display: grid;
	grid-template-columns: 1fr 1fr;
	padding: 10px 10px;
	color: var(--text-color-light-gray);
}

.activity .act-title,
article {
	padding: 10px 10px;
}

.act-title {
	font-size: 18px;
}

article {
	color: var(--text-color-gray);
	letter-spacing: 0.54px;
	line-height: 24px;
}

.activity .read-more-btn {
	margin-left: 10px;
	border: 0;
	width: 30%;
	height: 40px;
	border-radius: 4px;
	color: var(--text-color-lightest);
	background-color: var(--primary-color);
	font-size: 18px;
	cursor: pointer;
	outline: none;
}

.read-more-btn span {
	display: inline-block;
	position: relative;
	transition: 0.5s;
}

.read-more-btn span:after {
	content: '»';
	position: absolute;
	opacity: 0;
	top: 0;
	right: -30px;
	transition: 0.5s;
}

.read-more-btn:hover span {
	padding-right: 20px;
}

.read-more-btn:hover span:after {
	opacity: 1;
	right: 0;
}

.more-btn-box {
	margin-top: 30px;
	width: 100%;
	text-align: right;

	.more-btn {
		border: 1px solid var(--primary-color);
		padding: 8px;
		border-radius: 4px;
		background: white;
		color: var(--primary-color);
	}
}



/* footer:联系我们(底部) */
footer {
	margin-top: 124px;
	background-color: #181818;
	display: grid;
	justify-items: center;
	padding-top: 72px;
	padding-bottom: 24px;
}

.footer-menus {
	width: 100%;
	max-width: 1180px;
	display: grid;
	grid-template-columns: 2fr repeat(4, 1fr);
	padding: 0 80px;
	position: relative;
}

.ma-box {
	text-align: center;
	margin-right: 20px;

	.menu-title {
		margin-top: 20px;
	}
}

.menu-title {
	font-size: 16px;
	color: white;
	font-weight: 500;
	margin-bottom: 20px;
}

.contact-us {
	justify-self: start;
	/* 水平上在最开始的部分 */
	color: var(--text-color-lightest);
}

.contact-us p:not(:first-child) {
	padding-bottom: 16px;
}

.menu-items li {
	list-style: none;
	padding-bottom: 8px;
}

.menu-items li a {
	text-decoration: none;
	font-weight: 300;
	color: var(--text-color-lightest);
}

.icp-info {
	margin-top: 24px;
	margin-bottom: 16px;
}

.icp-info,
.rights {
	grid-column: 1 / -1;
	/* 从编号为1到最后一个，-2就是倒数第二个 */
	justify-self: center;
	color: white;
}

.scrollToTop {
	display: none;
	position: relative;
	z-index: 300;
}

.scrollToTop a {
	width: 32px;
	height: 32px;
	color: white;
	border-radius: 4px;
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: var(--primary-color);
	text-decoration: none;
	position: fixed;
	bottom: 60px;
	right: 30px;
}

/*新闻列表*/
.content-box {
	margin-top: 60px;
	width: 1180px;
}

.news-list-box {
	display: flex;
	justify-content: center;
	align-items: center;
	border-bottom: 1px solid #e7dfdf;
	padding: 20px 0;

	.news-img {
		width: 160px;
		border-radius: 8px;
		border: 1px solid #e7dfdf;
		padding: 4px;
	}

	.news-item {
		width: 920px;
		padding: 0 40px;

		p {
			overflow: hidden;
			text-overflow: ellipsis;
			display: -webkit-box;
			-webkit-line-clamp: 3;
			-webkit-box-orient: vertical;
			color: #8b8b8b;
			width: 840px;
			line-height: 20px;
		}

		h4 {
			margin: 10px 0px;
			color: #ff434f;
			white-space: nowrap;
			overflow: hidden;
			text-overflow: ellipsis;
		}
	}

	.more-btn-box {
		width: 140px !important;

		.more-btn {
			border: 1px solid var(--primary-color);
			padding: 8px 16px;
			border-radius: 20px;
			background: var(--primary-color);
			color: white;
		}
	}
}

.details-box {
	h2 {
		font-size: 24px;
	}
}

.fb-box {
	margin-top: 40px;
	border-bottom: dashed 1px #dfdfdf;
	width: 100%;
	text-align: center;
	padding-bottom: 10px;
	color: #8b8b8b;

	span {
		margin-right: 20px;
	}
}

.content-details {
	p {
		line-height: 32px;
		text-indent: 2em;
		padding: 0px;
		margin: 0px;
	}
}

.header-box nav a,
.header-box .logo {
	color: var(--text-color-lightest)
}

.header-box nav a:hover {
	color: #000;
	text-decoration: none;
}

.video-box {
	display: flex;
	flex-wrap: wrap;
	margin-top: 20px;
}

.video-box .video-item {
	flex: 25%;
	border: 1px solid #f1eeee;
	height: 400px;
	margin-left: 20px;
	margin-top: 20px;
}

video.video-lb::-webkit-media-controls-enclosure {
	display: none;
}

/* 实现响应式 */
@media(max-width:1200px) {
	.glide {
		top: 0px;
	}
}

@media(max-width:1100px) {
	.carousel-item video {
		height: 300px;
		/* 调整到适合小屏幕的尺寸 */
	}

	.carousel-item img {
		height: 300px !important;
		/* 调整到适合小屏幕的尺寸 */
	}
	.layui-carousel .layui-this>div.p h1 {
		font-size: 16px;
	}
	
	.layui-carousel .layui-this>div.p h3 {
		font-size: 14px;
	}

	.content-box {
		width: 90vw !important;

		.news-item {
			width: 100vw;

			p {
				width: auto !important;
			}
		}
	}

	.news-list-box {
		flex-direction: column;

		.more-btn-box {
			text-align: center !important;
		}

	}

	header nav {
		display: none;
	}

	header .burger {
		display: block;
		width: 20px;
		height: 6px;
		position: relative;
		justify-self: end;
		cursor: pointer;
	}

	.burger-line1,
	.burger-line2,
	.burger-line3 {
		width: 20px;
		height: 2px;
		background-color: var(--text-color-lightest);
	}

	.burger-line1 {
		position: absolute;
		top: -6px;
	}

	.burger-line3 {
		position: absolute;
		top: 6px;
	}

	header.open nav {
		display: grid;
		position: absolute;
		left: 0;
		top: 0;
		width: 100vw;
		height: 100vh;
		background-color: white;
		grid-auto-rows: max-content;
		justify-items: end;

		padding: 0 40px;
		opacity: 0;
		animation: slideDown 0.6s ease-out forwards;
	}

	header.open nav>* {
		color: var(--text-color-darker);
		animation: showMenu 0.5s linear forwards 0.4s;
		font-size: 18px;
		margin: 4px 0;
		opacity: 0;
	}

	header.open nav>i.fas {
		margin-top: 10px;
	}

	header.open .burger-line1,
	header.open .burger-line2,
	header.open .burger-line3,
	header.sticky .burger-line1,
	header.sticky .burger-line2,
	header.sticky .burger-line3 {
		background-color: var(--text-color-darker);
		transition: 0.4s ease;
	}

	header.open .burger-line1 {
		transform: rotate(45deg) translate(3px, 5px);
		/* rotate(45deg)是旋转45度*/
	}

	header.open .burger-line2 {
		transform: translateX(5px);
		opacity: 0;
		/*透明的，不可见*/
	}

	header.open .burger-line3 {
		transform: rotate(-45deg) translate(3px, -5px);
	}

	header.open .logo {
		z-index: 40;
		color: var(--text-color-darker);
	}

	@keyframes slideDown {
		from {
			height: 0;
			opacity: 0;
		}

		to {
			height: 100vh;
			padding-top: 80px;
			opacity: 1;
		}
	}

	@keyframes showMenu {
		from {
			opacity: 0;
			transform: translateY(-1vh);
		}

		to {
			opacity: 1;
			transform: translateY(0);
		}
	}

	.service-item .service-title {
		font-size: 20px;
	}

	.service-item .service-content {
		font-size: 14px;
		line-height: 24px;
	}

	.team-members {
		grid-template-columns: repeat(2, 1fr);
		row-gap: 36px;
		column-gap: 6vw;
		/* vw是浮动的 */
	}

	.activities {
		grid-template-columns: repeat(2, 1fr);
		row-gap: 36px;
	}
}

@media(max-width:992px) {
	.slide-caption h1 {
		font-size: 48px;
	}

	.slide-caption h3 {
		font-size: 18px;
	}

	.features,
	.services {
		grid-template-columns: repeat(2, 1fr);
		grid-template-rows: unset;
	}

	.data-section {
		grid-template-columns: repeat(2, minmax(200px, auto));
		padding: 24px 0;
		height: auto;
		row-gap: 24px;
		background-size: 200%;
	}

	.showcases .case-item {
		width: calc(100vw/3);
	}
}

@media(max-width:768px) {

	section,
	.footer-menus {
		padding: 0 40px;
	}

	.footer-menus {
		grid-template-columns: 2fr repeat(2, 1fr);
	}

	.contact-us {
		grid-row: 1/3;
	}

	.footer-menu {
		text-align: right;
	}

	.activities {
		grid-template-columns: 1fr;
		row-gap: 36px;
	}

	.data-section {
		grid-template-columns: 1fr;
		background-size: 300%;
	}

	.team-members {
		grid-template-columns: minmax(200px, 400px);
	}

	.features,
	.services {
		grid-template-columns: 1fr;
	}

	.showcases .case-item {
		width: calc(100vw/2);
		height: 30vw;
	}
}

@media(max-width:576px) {
	.slide-caption h1 {
		font-size: 28px;
	}

	.slide-caption h3 {
		font-size: 14px;
	}

	.explore-btn {
		font-size: 14px;
		padding: 8px 18px;
	}

	.showcases .case-item {
		width: 100vw;
		height: 60vw;
	}

	.footer-menus {
		grid-template-columns: 1fr;
		row-gap: 20px;
	}

	.footer-menu {
		justify-self: start;
		text-align: left;
	}
}