.developer_left_title {
    position: relative;
    width: 320px;
    height: 154px;
}

.developer_left_a {
    position: absolute;
    left: 25px;
    top: 35px;
    width: 280px;
    height: 60px;
    text-decoration: none;
    border-bottom: 1px solid #ddd;
}
.developer_left_span_a {
    position: absolute;
    left: 80px;
    top: 0;
    width: 200px;
    height: 30px;
    line-height: 42px;
    font-size: 22px;
    color: #000;
}

.developer_left_span_b {
    position: absolute;
    left: 80px;
    top: 30px;
    width: 200px;
    height: 30px;
    line-height: 30px;
    font-size: 14px;
    color: #000;
    letter-spacing: 2px;
}

.developer_left_a:after {
    content: '';
    position: absolute;
    top: 7px;
    left: 25px;
    width: 40px;
    height: 40px;
    background-position: 0px;
    background-size: 40px;
    background-repeat: no-repeat;
    background-image: url(../../../image/oss/iot/huizong.png);
}

.developer_left_con_body {
	width: 320px;
}

.developer_left_con {
    position: relative;
    width: 320px;
    height: 100%;
}


.developer_left_con_span {
    position: absolute;
    left: 60px;
    top: 0;
    height: 50px;
    line-height: 50px;
    font-size: 18px;
}

.developer_left_con ul {
    position: relative;
    margin: 0;
    padding: 0;
}
.developer_left_con_div {
    position: relative;
}

.developer_left_con ul li {
    margin: 0 auto;
    width: 280px;
    height: 50px;
    border-bottom: 1px solid #ddd;
    list-style-type: none;
    position: relative;
    cursor: pointer;
}

.developer_left_con_li_a:after {
    content: '';
    position: absolute;
    top: 22px;
    right: 5px;
    width: 5px;
    height: 12px;
    background-position: 0px;
    background-size: 5px 12px;
    background-repeat: no-repeat;
    background-image: url(../../../image/oss/iot/right.png);
}

.developer_left_con_li_b:after {
    content: '';
    position: absolute;
    top: 22px;
    right: 5px;
    width: 12px;
    height: 12px;
    background-position: 0px;
    background-size: 12px 5px;
    background-repeat: no-repeat;
    background-image: url(../../../image/oss/iot/bottom.png);
}

.developer_left_none {
    width: 318px;
    height: auto;
    z-index: 9999;
    background-color: #fff;
    
    display: none;
}

.developer_left_none ul {
    position: relative;
    margin: 0;
    padding: 0;
}

.developer_left_none ul li {
    margin: 0 auto;
    width: 180px;
    height: 50px;
    line-height: 50px;
    border-bottom: 1px solid #ddd;
    list-style-type: none;
}

.developer_left_none ul li a {
    font-size: 16px;
    color: #888;
    padding-left: 10px;
}
.border-leftright{
	border-left: 1px solid #d9d9d9;
	border-right: 1px solid #d9d9d9;
}

.developer_right_span{
	font-size: 20px;
	
}

.content-title{
	margin: 47px 0 0 30px;padding-bottom: 20px;border-bottom: 1px solid #d9d9d9;
}

.content-body{
	margin-left: 30px;
	padding-top: 20px;
}

pre {
    display: block;
    padding: 9.5px;
    margin: 0 0 10px;
    font-size: 13px;
    line-height: 1.42857143;
    color: #333;
    word-break: break-all;
    word-wrap: break-word;
    background-color: #f5f5f5;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.bg-content{
	color: #666;
    line-height: 30px;
    padding: 0 10px;
    margin: 10px 0;
}

.bg-title{
    font-size: 14px;
    color: #333;
    line-height: 40px;
    font-weight: bold;
    background: #f1f1f1;
    padding: 0 10px;
    margin: 10px 0;
}

.api-content{
	border: 1px solid #d9d9d9; padding: 5px 10px;
}

.api-content h4.title{
	color:#007ad5;
	font-size: 16px;
}