html,
body {
	margin: 0;
	padding: 0;
	height: 100%;
}

.main {
	display: flex;
	flex-direction: column;
	/* background: red; */
	min-height: 100%;
	justify-content: space-between;
}

a {
	color: #333336;
	font-size: 16px;
	font-weight: 400;
	text-decoration: none;
	font-family: SF Pro SC, SF Pro Text, SF Pro Icons, PingFang SC, Helvetica Neue, Helvetica, Arial, sans-serif;
}

a:hover {
	cursor: pointer;
}

.al-header {
	display: flex;
	background: rgba(250, 250, 252, .8);
	height: 50px;
	flex-direction: row;
	justify-content: center;
}

.header_block {
	display: flex;
	flex-direction: row;
	justify-content: space-between;
}

.ah-left,
.ah-right {
	display: flex;
	flex-direction: row;
	align-items: center;
}

.ah-left,
.ah-right span {
	line-height: 40px;
}

.active {
	border-bottom: 1.5px solid red;
}

.ah-left {
	gap: 5px;
}

.ah-right {
	gap: 20px;
}

.al-header a {
	font-weight: bold;
}

.al-header img {
	width: 40px;
	cursor: pointer;
}

.footer {
	background-color: #f2f2f2;
	display: flex;
	flex-direction: row;
	height: 66px;
	justify-content: center;
	font-size: 14px;
	color: #888;
	min-width: 375px;
}

.footer a {
	font-size: 14px;
	color: #888;
}

.fbody {
	display: flex;
	flex-direction: row;
	align-items: center;
	justify-content: space-between;
	padding: 0 10px;
}

.fb-r {
	display: flex;
	flex-direction: row;
	align-items: center;
	gap: 10px;
}

@media screen and (min-width: 1024px) {

	.header_block,
	.content {
		width: 1024px;
	}

	.content {
		margin: 0 auto;
	}

	.index_content {
		flex-direction: row;
		justify-content: space-around;
	}

	.ic_left,
	.ic_right {
		width: 50%;
	}

	.ntfs-display {
		position: relative;
		height: 100%;
	}

	.ntfs-display-d {
		position: absolute;
		/* background: red; */
		top: 0;
		left: 0;
		height: 100%;
		display: flex;
		justify-content: center;
		flex-direction: column;
		-webkit-transition: all .8s cubic-bezier(.08, .82, .17, 1) .1s;
		transition: all .8s cubic-bezier(.08, .82, .17, 1) .1s;
		transform: translateX(0);
		backface-visibility: hidden;
		will-change: transform;
	}

	.ntfs-display-d:hover {
		transform: translateX(-18vw);
	}

	.ntfs-display-img {
		height: 80%;
		border-radius: 10px;
	}

	.ntfs-display-img:hover {
		box-shadow: 0 0 20px 0 rgba(0, 0, 0, .075), 0 25px 30px 0 rgba(0, 0, 0, .175)
	}
}

@media screen and (max-width: 1024px) {
	.header_block {
		min-width: 375px;
		width: 100%;
		padding: 0 10px;
	}

	.content {
		min-width: 375px;
		padding: 0 10px;
	}

	.index_block {
		padding: 10px;
	}

	.index_content {
		flex-direction: column;
		justify-content: flex-start;
	}

	.ic_left_show {
		align-items: center;
	}

	.ic_left,
	.ic_right {
		width: 100%;
	}


	.ic_right {
		display: flex;
		height: 100%;
		flex-direction: column;
		justify-content: center;
	}

	.ntfs-display-img {
		width: 100%;
		margin-top: 10px;
	}
}

.index_block {
	display: flex;
	flex-direction: row;
	justify-content: space-around;
	overflow: hidden;
	flex: 1;
}

.index_content {
	display: flex;
	overflow: hidden;
	width: 100%;
}

.ic_left {
	display: flex;
	justify-content: flex-end;
	flex-direction: row;
}

.ic_left_show {
	width: 512px;
	display: flex;
	flex-direction: column;
	justify-content: center;
	background-image: url(https://store-1251256714.cos.accelerate.myqcloud.com/ntfstool_static/static/image/bg.svg);
	background-repeat: repeat;
	background-size: 200% 200%;
}

.index_logo img {
	width: 233px;
	height: 233px;
}

.index_h1 {
	font-size: 2rem;
	line-height: 2rem;
	font-weight: 700;
	margin: 0 0 0.5rem;
	color: #222;
}

.index_h2 {
	font-size: .875rem;
	margin: 1rem 0 1rem;
	padding: 0;
	line-height: 1.5rem;
}

.index_btns {
	display: flex;
	flex-direction: row;
	gap: 20px;
	margin-top: 10px;
}

.btn1 {
	background: #F44336;
}

.btn2 {
	background-color: #2b2b2b;
}


.btn3 {
	background-color: #5f636b;
}


.button {
	height: 40px;
	text-align: center;
	color: white;
	font-size: 16px;
	font-weight: 700;
	line-height: 40px;
	border-radius: 20px;
	border: none;
	cursor: pointer;
	transition: transform 0.3s ease-in-out;
	display: flex;
	flex-direction: row;
	justify-content: center;
	align-items: center;
	gap: 5px;
	padding: 0 20px;
}

.button img {
	height: 45%;
}

.button:hover {
	transform: scale(1.1);
}

.auto-numbering {
	counter-reset: section;
	list-style-type: none;
	display: flex;
	flex-direction: column;
}

.auto-numbering li {
	margin-bottom: 5px;
}

.auto-numbering li:before {
	counter-increment: section;
	content: counter(section) ") ";
	font-weight: bold;
}

.help-body img {
	width: 80%;
	margin-top: 10px;
}