* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

li {
	list-style-type: none;
	float: left;
}

body {
	padding-bottom: 60px;
}

.header {
	background: linear-gradient(180deg, #CDE1FF 0%, rgba(205, 225, 255, 0) 100%);
	width: 100%;
}

.phone {
	width: 100%;
	display: flex;
	flex-direction: column;
	align-items: center;
}

.phone p {
	margin-top: 5px;
	font-size: 14px;
	font-family: 'PingFang SC';
	font-weight: 700;
}

.phone .sj {
	margin-top: 20px;
	width: 310px;
	text-align: center;
	font-weight: 100;
}

.dow {
	display: flex;
	justify-content: center;
	margin-top: 10px;
}

.storage-item {
	flex-wrap: nowrap;
	text-align: center;
	max-width: 133px;
	padding: 11px 0 3px 0;
	flex: 1;
	margin-left: 8px;
	border-radius: 4px;
	text-decoration: none !important;
	background: #4892FF;
	box-shadow: 0px 10px 15px rgba(0, 0, 0, 0.1);
	cursor: pointer;
}

.platform {
	font-size: 14px;
	font-weight: 500;
	color: #fff;
	line-height: 20px;
	margin-top: 6px;
}

.tutorial {
	font-weight: 900;
	font-family: 'PingFang SC';
	text-align: center;
	padding-top: 18px;
	font-size: 16px;
	line-height: 1.6;
	color: #ad0303;
}

.tutorial_item {
	background-color: #BFD9FF;
	display: flex;
	flex-direction: column;
	align-items: center;
	padding-left: 10px;
	padding-right: 10px;
	padding-top: 10px;
	padding-bottom: 10px;
	width: 324px;
	border-radius: 12px;
	margin: 18px auto 0 auto;
}

.tutorial_item img {
	display: block;
	width: 100%;
}
.text-box{
	width: 100%;
}
.text-box span{
	width: 80%;
	max-width: 340px;
	font-size: 16px;
	line-height: 1.6;
	color: #ad0303;
	display: block;
	margin: 0 auto;
	text-align: center;
	margin-top: 10px;
	font-weight: 900;
}