body {
	font-family: "SF Pro Display", "Helvetica Neue", Helvetica, Tahoma, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
	-webkit-font-smoothing: antialiased
}

.nav-1 {
	width: 100%;
	height: 660px;
	background: url('/res/images/down/bg_1.png') no-repeat center bottom;
	background-size: cover
}

.logo, .img-1, .img-2, .img-3, .img-4, .img-5 {
	margin: 0 auto;
	width: 1200px
}

.logo {
	text-align: left;
	padding: 30px 0
}

.logo > img {
	height: 34px;
}

.img-1 {
	position: relative
}
.img-1 .win, .img-1 .mac{
	width: 460px;
	position: absolute;
	top: 250px;
}
.img-1 .win>a, .img-1 .mac>a {
	display: block;
	height: 50px;
	line-height: 50px;
	font-weight: 400;
	color: #fff;
	z-index: 2;
	width: 160px;
	font-size: 21px;
	left: 0;
	background: url(/res/images/down/btn_default.png) no-repeat;
}
.img-1 .mac .m-c1{
	font-size: 14px;
	color: #6A7185;
	text-align: left;
	margin-top: 20px;
	display: flex;
	align-items: center;
}
.img-1 .mac .m-c1>span{
	color: #3a8bff;
	vertical-align: middle;
	cursor: pointer;
	display: flex;
	align-items: center;
}
.img-1 .mac .m-c1>span>i{
	width: 10px;
	height: 10px;
	display: inline-block;
	vertical-align: middle;
	background: url(/res/images/down/right-Arrow.png) center no-repeat;
	background-size: 100% 100%;
}
.img-1 .mac .cut{
	width: 460px;
	height: 1px;
	background: #D3E6F4;
	margin: 14px 0;
}
.img-1 .mac .tutorial-hint{
	font-size: 14px;
	color: #292B33;
	text-align: left;
}
.img-1 .mac .hint-box{
	display: flex;
	justify-content: space-between;
	margin-top: 10px;
}
.img-1 .mac .hint-box .hint-wrap{}
.img-1 .mac .hint-box .hint-wrap .hint-num{
	display: inline-block;
	width: 14px;
	height: 14px;
	line-height: 14px;
	text-align: center;
	background: #3A8BFF;
	border-radius: 50%;
	font-size: 10px;
	color: #fff;
}
.img-1 .mac .hint-box .hint-wrap .hint-text{
	font-size: 12px;
	color: #292B33;
	white-space: nowrap;
}
.img-1 .mac .hint-box .hint-wrap .hint-img-box{
	width: 100%;
	height: 120px;
	margin-top: 14px;
}
.img-1 .mac .hint-box .hint-wrap .hint-img-box>img{
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center;
}
.img-1.aos-init.aos-animate>img{
	height: 448px;
	width: 100%;
}
.img-1 .win a {
	width: 160px;
	font-size: 21px;
	left: 0;
	background: url('/res/images/down/btn_default.png') no-repeat;
}

.img-1 .win a:active {
	opacity: 1;
	background: url('/res/images/down/btn_active.png') no-repeat
}

.img-1 .mac a.intel {
	width: 170px;
	font-size: 18px;
	left: 0;
	background: url('/res/images/down/btn_default_2.png') no-repeat;
}

.img-1 .mac a.intel:active {
	opacity: 1;
	background: url('/res/images/down/btn_active_2.png') no-repeat
}

.img-1 .mac a.apple {
	color: #3a8bff;
	white-space: nowrap;
}


.img-1 a:hover {
	opacity: .8
}

.img-1 .mac .hint {
	display: block;
	font-size: 14px;
	line-height: 20px;
	color: #6A7185;
	position: absolute;
	top: 370px;
	left: 0;
	z-index: 2;
}

.img-1 .mac .hint > span {
	display: inline-block;
}

.img-1 .mac .hint .help {
	display: inline-block;
	margin-left: 2px;
	width: 16px;
	height: 16px;
	vertical-align: middle;
	cursor: pointer;
}

.img-1 .mac .hint .help:hover .hint-pop {
	display: block;
}

.img-1 .mac .hint .help > img {
	display: block;
	width: 100%;
	height: 100%;
}

.img-1 .mac .hint .help .hint-pop {
	display: none;
	width: 240px;
	height: 148px;
	border-radius: 4px;
	background: #fff;
	box-shadow: 0px 4px 14px rgba(0, 0, 0, .09);
	padding: 10px 16px;
	box-sizing: border-box;
	text-align: left;
	position: absolute;
	top: 28px;
	left: 78px;
	z-index: 3;
}

.img-1 .mac .hint .help .hint-pop img {
	position: absolute;
	top: -8px;
	left: 40px;
	z-index: 4;
}

.img-1 .mac .hint .help .hint-pop span {
	display: block;
	font-weight: 500;
	font-size: 12px;
	line-height: 26px;
	color: #8A8B99;
}

.img-1 .mac .hint .help .hint-pop p {
	display: block;
	font-size: 12px;
	line-height: 20px;
	color: #292B33;
}

.nav-2 {
	width: 100%;
	height: 988px;
	background: url('/res/images/down/bg_2.png') no-repeat center center;
	background-size: cover
}

.img-3 > img {
	margin: 70px 0 0 0
}

.nav-3 {
	width: 100%;
	height: 560px;
	background: #f5f9fc
}

.img-4 > img {
	margin: 55px 0 0 0
}

.nav-4 {
	width: 100%;
	height: 595px;
	background: #fff
}

.img-5 > img {
	margin: 75px 0 0 0
}