.d1 {
	position: relative;
	background: url(../images/11bg_01.jpg) no-repeat top center #fff;
	background-size: 100%;
	padding-bottom: 60px;
}
.d1 .wrap {
	padding-top: 60px;
	position: relative;
	z-index: 1;
}

.i1ta {
	text-align: center;
}
.d2{
	display: flex;
  	justify-content: center;
}

.d2 .wrap {
	padding: 80px 0;
	width: 1210px;
	margin: 0 auto;
}

.wrap-title {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	margin-bottom: 50px;
}

.wrap-title::before {
	content: '';
	display: block;
	width: 6px;
	height: 36px;
	margin-right: 20px;
	background-color: #20a53a;
}

.wrap-title .text {
	margin-right: 20px;
	line-height: 36px;
	font-size: 36px;
	font-weight: bold;
}

.wrap-title a {
	font-size: 16px;
}

.d2 .desc,
.d2 .tips {
	line-height: 30px;
}

.d2 .desc {
	margin-bottom: 16px;
}

.d2 .tips {
	margin-top: 16px;
}

.install-code {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	line-height: 30px;
}

.install-code .osname {
	display: inline-block;
	width: 100px;
	font-weight: 700;
}

.install-code + .install-code {
	margin-top: 16px;
}

.install-code .code-cont {
	display: flex;
	align-items: center;
}

.install-code .command {
	position: relative;
	display: flex;
	margin-left: 12px;
	margin-right: 15px;
	padding: 7px 10px;
	border-radius: 3px;
	background-color: #20202f;
	box-shadow: 0 0 5px #ececec;
	font-size: 16px;
	color: #fff;
	font-family: SimSun;
	width: 950px;
}

.install-code .ico-copy {
	display: block;
	width: 26px;
	height: 30px;
	background: url('/static/images/ico-copy.png') no-repeat left center;
	cursor: pointer;
	width: 65px;
	text-indent: 2.4em;
	font-weight: bold;
	color: #20a53a;
}

.reference .th2 {
	background-color: #333;
	color: #fff;
	display: table;
	font-size: 16px;
	padding: 5px 10px;
}

.reference .btcode {
	padding: 20px 0;
}

.reference .btcode span {
	font-size: 14px;
}

.reference .btcode pre {
	background: #e6e9ed;
	border-left: 4px solid #7ad03a;
	color: #222;
	font: 12px/20px Consolas, 'Courier New', Courier, monospace;
	margin: 10px 0 25px;
	overflow: hidden;
	overflow-wrap: break-word;
	padding: 10px 12px;
	white-space: pre-wrap;
}

.reference .btcode:last-of-type {
	padding-bottom: 0;
}

.reference .btcode:last-of-type pre:last-of-type {
	margin-bottom: 0;
}

.code-title {
	border: 1px solid #ddd;
	position: fixed;
	right: 20px;
	top: 340px;
}
.code-title h3 {
	padding: 0 15px;
	font-size: 14px;
	line-height: 36px;
	background-color: #f0f0f0;
	border-bottom: #ddd 1px solid;
}
.code-list {
	padding: 10px 15px;
	background-color: #fff;
}
.code-list ul li {
	list-style-type: disc;
	line-height: 26px;
	margin-left: 14px;
	color: #666;
	font-size: 14px;
}
.code-list ul li a {
	color: #333;
	cursor: pointer;
}

@media screen and (max-width: 1440px) {
	.wrap {
		width: 97%;
	}
}

@media only screen and (max-width: 1299px) {
	.d2 .wrap {
		padding: 60px 0;
	}
}
@media only screen and (max-width: 980px) {
	.install-code {
		flex-direction: column;
		align-items: flex-start;
	}

	.install-code .code-cont {
		width: 100%;
	}

	.install-code .command {
		flex: 1;
		width: 0;
		margin-left: 0;
		line-height: 18px;
		font-size: 12px;
		word-break: break-all;
	}

	.d2 .desc,
	.d2 .tips {
		line-height: 24px;
	}
}

@media only screen and (max-width: 768px) {
	.d2 .wrap {
		padding: 40px 0;
	}
	.d1 .wrap {
		padding-top: 40px;
	}

	.wrap-title {
		margin-bottom: 20px;
	}

	.wrap-title::before {
		width: 3px;
		height: 20px;
		margin-right: 10px;
	}

	.wrap-title .text {
		font-size: 20px;
		margin-right: 10px;
	}

	.wrap-title a {
		font-size: 12px;
	}
}