.content_left{
    margin-top: 50px;
    display: inline-block;
    width: 300px;
    vertical-align: top;
}

.content_left ul{
    padding-right: 50px;
}

.content_left ul li{
    width: 225px;
    height: 56px;
    border-radius: 4px;
    text-align: left;
    line-height: 56px;
    font-size: 18px;
    font-family: Arial;
    font-weight: 500;
    color: #666666;
    padding-left: 30px;
    cursor: pointer;
}
.content_left ul li:hover{
    background: #f9f9f9;
}


.choose_li{
    background: #F4F4F4 !important;
    color: #0D50B3 !important;
}

.content_right{
    padding-left: 50px;
    margin-top: 50px;
    padding-bottom:50px;
    display: inline-block;
    width: calc(100% - 400px);
    border-left: 1px solid #F4F4F4;
}
.content_right p{
	font-size:17px; 
	line-height:150%;
	font-weight:400;
}
.content_right h1{
    font-size: 33px;
    font-family: Arial;
    font-weight: bold;
    color: #3F3F3F;
    line-height: 50px;
}

.p_2{
    font-size: 20px;
    font-family: Arial;
    font-weight: 500;
    color: #333333;
    line-height: 80px;
}

h3{
    font-family: ArialMT;
    color: #333333;
    font-size: 20px;
    font-weight: 500;
}

.p_content{
    display: block;
    font-size: 17px;
    color: #333333;
    line-height: 32px;
    margin-top: 10px;
    margin-bottom: 28px;
}