* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Helvetica, "PingFang SC", "Microsoft Yahei",sans-serif;
		/* font-size: 14px;
		overflow-x:hidden; */
}
img {
    width: 100%;
}

:root {
    --primary-color:#ff434f;
    --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);
}

header {
    width: 100%;
    height: 80px;
    display: grid;
    padding: 0 40px;

    grid-template-columns: 1fr 2fr;
    align-items: center;
    position: relative;
    z-index: 200;
}


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


header nav {
    justify-self: end;
}

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

header nav a {
    color: var(--text-color-lightest);
    text-decoration: none;
    margin: 0 24px;
}

header .burger {
    display: none;
}

header.sticky {
	position: fixed;
	background-color: white;
	box-shadow: 0 0 18px rgba(0, 0, 0, 0.12);
	animation: dropDown 0.5s ease-in-out forwards;
}

header.sticky .logo,
header.sticky nav a,
header.sticky nav i {
	color: var(--text-color-darker);
}

@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;
}

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

.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 > * {
	opacity: 0;
}

.backdrop {
	background: var(--backdrop-color);
	z-index: 60;
	position: absolute;
	width: 100%;
	height: 100%;
	left: 0;
	top: 0;
	opacity: 0.5;
	cursor: auto;
}

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


/* 内容区域 */
/* 通用样式 */

.content-wrapper {
	display: flex;
	align-items: center;
	justify-content: center;
	flex-direction: column;
	overflow: clip;
}

section {
	display: grid;
	justify-items: center;
	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-darker);
}

.title1::after {
	content: "";
	display: block;
	width: 80%;
	height: 4px;
	background-color: var(--primary-color);
	margin-top: 14px;
	transform: translateX(10%);
}


.intro {
	margin: 28px 0 60px 0;
	font: 18px;
	color: var(--text-color-dark-gray);
}


/* 关于我们 */
.about-us {
	padding-bottom: 32px;
}

.features {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	grid-template-rows: 126px 126px;
	column-gap: 5vw;
}

.feature {
	display: grid;
	grid-template-areas: 
	"icon title"
	"icon content";
	grid-template-columns: 60px 1fr;
	grid-template-rows: 1fr 3rf;
}


.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: 8px;
}


/* 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;
}

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

.showcases .cases {
	width: 100vw;
}

.showcases .case-item {
	width: 25vw;
	height: 20vw;
	overflow: hidden;
}

.case-item img {
	height: 100%;
	object-fit: cover;
}


/* 服务流程 */
.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: 
	"icon title"
	"icon content";
	grid-template-columns: 70px 1fr;
	grid-template-rows: 1fr 3fr;
	padding: 24px;
	box-shadow: 0px 0px 18px rgba(0, 0, 0, 0.06);
}

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

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

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

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

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

.team-member{
	background-color: white;
	box-shadow: 0px 0px 24px rgba(0, 0, 0, 0.02);
	text-align: center;
	padding-bottom: 28px;
	transition: 0.4s;
	display: grid;
	justify-items: center;
}

.profile-image{
	overflow: hidden;
}

.profile-image img{
	width: 100%;
	height: 264px;
	object-fit: cover;
	/* 上为设置等比例缩放 */
	object-position: top center;
}

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

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

.social-links{
	width: 100%;
	/* 这个是最大200px最小等比例 */
	max-width: 200px;
	display: flex;
	justify-content: space-between;
	padding: 0 42px;
}

.social-links li{
	/* 去除样式 */
	list-style: none;
}

.social-links li a{
	color: var(--text-color-dark);
	font-size: 16px;
	text-decoration: none;
}
/* 鼠标覆盖效果 */
.team-member:hover {
	/* 负的是往上走 */
	/* html里的坐标轴是在左上角的 */
	transform: translateY(-20px) scale(1.05);
	box-shadow: 0px 0px 36px rgba(0, 0, 0, 0.01);
}


/* 数据部分 */
.data-section {
	max-width: unset;
	width: 100vw;
	height: 255px;
	background-image: url(images/adult-business-computer-contemporary-380769.jpg);
	background-size: cover;
	background-position: center;

	display: grid;
	grid-template-columns: repeat(4, minmax(auto, 220px));
	justify-content: center;
	align-items: 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: 250px;
	display: grid;
	grid-template-rows: repeat(3, 1fr);
	justify-items: center;
	color: white;
	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-size: 18px;
	font-weight: 500;
}


/* 公司动态 */
.company-activities {
	margin-top: 88px;
}

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

.activity {
	box-shadow: 0px 0px 24px rgba(0, 0, 0, 0.1);
	padding: 24px;
	transition: 0.4s;
}

.act-image-wrapper {
	height: 255px;
	overflow: hidden;
	margin: -24px;
	margin-bottom: 0; 
}

.act-image-wrapper img {
	min-height: 300px;
	object-fit: cover;
}

.activity .meta {
	margin-top: 20px;
	margin-bottom: 12px;
	color: var(--text-color-light-gray);
	font-size: 12px;
	display: flex;
}

.activity .meta > p:last-child {
	margin-left: 36px;
}

.act-title {
	color: var(--text-color-dark);
	font-size: 18px;
	margin-bottom: 16px;
}

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

.readmore-btn {
	border: 0;
	color: white;
	background-color: var(--primary-color);
	border-radius: 4px;
	padding: 6px 14px;
	margin-top: 24px;
}

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


/* 底部信息 */
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;
}

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

.contact-us {
	justify-self: start;
	color: var(--text-color-light-gray);
}

.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;
	justify-self: center;
	color: white;
}

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

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