:root {
	--white: #fff;
	--black: #000;
}

* {
	margin: 0;
	padding: 0;
	color: inherit;
	text-decoration: none;
	list-style: none;
	scrollbar-width: none;
}

input,
textarea,
button {
	border: 1px solid;
	border-radius: 0.25rem;
	outline: none;
}

button {
	cursor: pointer;
}

/* 去除input数字输入框右侧的箭头 */
input::-webkit-outer-spin-button {
	-webkit-appearance: none;
}

input::-webkit-inner-spin-button {
	-webkit-appearance: none;
}

/* 导航栏 */
.nav {
	width: 100%;
	height: 4rem;
	line-height: 4rem;
	color: var(--white);
	background-color: rgba(0, 0, 0, 0);
	position: absolute;
	top: 0;
	z-index: 1;
	transition: all .5s;
}

.nav:hover {
	color: #F60073 !important;
	background-color: var(--white);
}

.nav_ul {
	width: 40rem;
	margin: 0 auto;
	display: flex;
}
.nav_logo{
	position: absolute;
	left: 0;
	display: flex;
	align-items: center;
}
.nav_logo img{
	width: 36px;
	height: 36px;
	margin-right: 30px;
}
.nav_ul a {
	width: 100%;
	text-align: center;
}

/* 粘性导航栏 */
.sky_nav {
	z-index: 2;
	display: none;
	background-color: var(--white);
	position: sticky;
	top: 0;
	width: 100%;
	height: 4rem;
	line-height: 4rem;
	box-shadow: 0 0 8px 2px rgba(0,0,0,0.3);
}
.logo{
	font-size: 1.75rem;
	line-height: 4rem;
}
.app{
	font-size: 14px;
	margin-left: 1rem;
	color: #F60073;
}
.nav_a{
	float: right;
	font-size: 14px;
}
.nav_a a{
	margin: 0 1rem;
	display: inline-block;
	line-height: 2rem;
}
.check_nav{
	color: #F60073;
	border-bottom: 2px solid #F60073;
}
/* 头部 */
.top {
	width: 100%;
	height: 100vh;
	min-height: 60rem;
	background-image: url("../img/nav_bg.png");
	background-repeat: no-repeat;
	object-fit :cover;
}

.center {
	width: 75rem;
	margin: 0 auto;
	position: relative;
}

.title {
	font-size: 2rem;
	font-weight: bold;
	padding: 1.5rem 0;
	text-align: center;
}

.min_title {
	font-size: 20px;
	font-weight: bold;
	padding: 1rem 0;
}

.p12 {
	font-size: 12px;
}

.top_icon {
	width: 6rem;
	position: relative;
	top: 1.5rem;
}

.top_txt {
	padding: 6rem 0 0 12rem;
	color: var(--white);
	position: relative;
}

.top_min p {
	line-height: 2rem;
	font-size: 14px;
}

.top_min p:before {
	content: "✔";
	color: var(--white);
	margin-right: 1rem;
}

.top_btn {
	width: 10rem;
	height: 2.5rem;
	margin: 4rem 2rem 0 0;
	border: 1px solid var(--white);
	border-radius: 4px;
	background-color: rgba(0, 0, 0, 0);
	color: var(--white);
}

.ewm {
	padding: 0.75rem;
	width: 10rem;
	height: 10rem;
	text-align: center;
	font-size: 14px;
	border-radius: 0.5rem;
	background-color: rgba(0, 0, 0, 0.3);
	position: absolute;
	left: 386px;
	bottom: -85px;
	display: none;
}
.ewm img {
	width: 100%;
}


/* 手机轮播 */
.nav_iphone {
	width: 250px;
	padding: 0.5rem;
	border-radius: 1.5rem;
	background-color: #fafafa;
	box-shadow: 0 0 8px 2px rgba(0, 0, 0, 0.3);
	position: absolute;
	right: 8rem;
	top: 5rem;
}

.nav_banner img {
	width: 100%;
	height: 100%;
	border-radius: 1rem;
}

.border_bot:before {
	content: '';
	position: absolute;
	top: 5rem;
	left: 50%;
	transform: translate(-50%, 0);
	height: 2px;
	width: 6rem;
	background-color: #F60073;
}

.top_tip{
	color: var(--white);
	width: 100%;
	background-image: -webkit-linear-gradient(top, #ff81af , #fe4a65 );
	border-radius: 16px;
	margin-top: 200px;
	position: relative;
	display: flex;
	justify-content: space-between;
	align-items: center;
}
.tip_img{
	padding: 25px;
	background-color: var(--white);
	border-radius: 50%;
	margin: 8px;
}
.tip_img img{
	height: 80px;
	width: 80px;
}
.top_tip>div:nth-child(2){
	padding: 0 30px;
}
.top_tip h1{
	font-size: 42px;
	line-height: 56px;
	display: table-cell;
	vertical-align: bottom;
}
.top_tip h1 span{
	font-size: 32px;
}
.top_tip p{
	font-size: 14px;
	line-height: 24px;
	text-indent: 2em;
}

/* 四个小卡片动画 */
.card4 {
	display: flex;
	margin: 6rem 0;
}
.card4 li {
	height: 10rem;
	width: 100%;
	margin: 0 1rem;
	text-align: center;
	position: relative;
}
.card4 li:nth-child(1) img,
.card4 li:nth-child(2) img {
	width: 6rem;
	position: relative;
	top: 0.5rem;
}
.card4 li:nth-child(3) img,
.card4 li:nth-child(4) img {
	width: 5rem;
}
.card4 li p:nth-child(3) {
	font-size: 14px;
}
.hide_card {
	width: 16rem;
	height: 10rem;
	padding: 0 2rem 2rem 2rem;
	background-color: #F60073;
	color: var(--white);
	border-radius: 1rem;
	position: absolute;
	top: -1rem;
	left: -1.5rem;
	opacity: 0;
	z-index: 1;
}
.hide_card p:nth-child(3) {
	padding: 1rem 0;
}
.card4 p {
	transition: all 0.6s;
}
.card4>li:hover>p {
	transform: translateY(-40px);
}
.card4>li:hover>.hide_card {
	opacity: 1;
	transition: all 0.8s;
}


/* 九个小卡片 */
.card9_bg{
	padding: 4rem 0;
	background-image: url('../img/center_bg.png');
	background-repeat: no-repeat;
	background-size: cover;
}
.card9_ul {
	display: flex;
}
.card9_ul li {
	width: 100%;
	margin: 2rem 1rem;
	text-align: center;
	position: relative;
}
.card9_img {
	width: 4.5rem;
	height: 4.5rem;
	border-radius: 50%;
	position: absolute;
	top: -2.25rem;
	left: 1.5rem;
	background-color: var(--white);
	box-shadow: 0 4px 8px 2px #f6e2ef;
	transition: all .5s;
}
.card9_img img {
	width: 3rem;
	margin: 0.7rem 0 0 0;
}

.card9_txt {
	width: 100%;
	height: 10rem;
	background-color: var(--white);
	border-radius: 1rem;
	transition: all 0.5s;
}
.card9_txt>p:nth-child(1) {
	font-size: 20px;
	font-weight: bold;
	padding: 1rem 0 1.5rem 0;
}
.card9_txt>p:nth-child(2) {
	font-size: 14px;
	line-height: 1.25rem;
	padding: 0 2rem;
}
.card9_ul li:hover .card9_txt {
	color: var(--white);
	background-color: #F60073;
}
.card9_ul li:hover .card9_img {
	box-shadow: none;
}

/* 切换手机图片 */
.iphone {
	width: 280px;
	margin: 0 6rem;
	padding: 0.5rem;
	border-radius: 2rem;
	background-color: #fafafa;
	box-shadow: 0 0px 12px 4px rgba(0, 0, 0, 0.2);
}
.iphone img {
	width: 100%;
	height: 100%;
	border-radius: 1.5rem;
}
.iphone_ul {
	margin: 3rem 3rem 0 3rem;
}
.iphone_ul li {
	width: 500px;
	height: 120px;
	padding: 0 2rem;
	margin-bottom: 2rem;
	cursor: pointer;
	transition: all .3s;
}
.iphone_ul li:hover {
	box-shadow: 0px 8px 12px 0px #f6cbec;
}
.iphone_ul li p:nth-last-child(1) {
	font-size: 14px;
}
.iphone_ul div {
	width: 4rem;
	height: 4rem;
	margin: 1.5rem 2rem 1.5rem 0;
	border-radius: 50%;
	box-shadow: 0px 4px 6px 0px #f6e2ef;
	float: left;
	position: relative;
}
.iphone_ul img {
	width: 2.5rem;
	position: absolute;
	top: 0.75rem;
	left: 0.75rem;
}

/* 评论卡片 */
.pl_ul {
	width: 62.5rem;
	margin: 0 auto;
	display: flex;
}
.pl_ul li {
	width: 50%;
	padding: 3rem;
	background-color: var(--white);
	border: 1px solid #eee;
	transition: all .5s;
}
.pl_ul li:hover {
	transform: scale(1.05);
	box-shadow: 0px 4px 8px 2px #f6e1f1;
}
.pl_ul li img {
	width: 3.75rem;
	height: 3.75rem;
	border-radius: 50%;
	float: left;
}
.pl_ul li p:nth-child(2) {
	margin: 0 0 2.5rem 5rem;
}
.pl_ul li p:nth-last-child(1) {
	line-height: 1.5rem;
	font-size: 14px;
}
.bot_bg {
	width: 100%;
	height: 10rem;
	padding: 4rem 0;
	color: var(--white);
	text-align: center;
	background-image: url("../img/bot_bg.jpg");
	background-attachment: fixed;
}
.bah {
	background-color: var(--white);
	text-align: center;
	margin: 1.5rem 0;
}
.bah a{
	font-size: 12px;
	color: #666;
	border-right: 1px solid #ccc;
	padding: 0 1.5rem;
}
.bah a:last-child{
	border: none;
}