.bg-img{
    background-image: url("../imgs/api_doc/background.png");
    background-repeat: no-repeat;
    position:fixed;
    top: 0;
    left: 0;
    width:100%;
    height:100%;
    min-width: 1000px;
    z-index:-10;
    zoom: 1;
    background-color: #fff;
    background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
    background-position: center 0;
}

.api-title{
    margin-top: 120px;
    text-align: center;
}
.api-title h5{
    color: #b4b4b4;
    margin-top: 42px;
}


.api-contents{
    margin-top: 120px;
    margin-bottom: 100px;
}

/*====================================================================================================*/

.VerticalMenu {
    height: 100%;
    max-width: 338px;
    cursor: pointer;
}
.VerticalMenu > div {
    width: 100%;
    float: left;
}
.VerticalMenu .parent-menu {
    font-size: 1.0625rem;
    height: 80px;
    background-color: #eeeeee;
    line-height: 80px;
    padding-right: 10px;
    padding-left: 10px;
    border-bottom: 1px solid  #dddddd;
    overflow: hidden;

    transition: background-color 0.4s linear;
}
.VerticalMenu .parent-menu:hover {
    background-color: #d93b3d;
    color: #ffffff;
}
.VerticalMenu .parent-menu > i:last-child {
    line-height: 80px;
    float: right;
    transform: rotate(0deg);
    transition: transform 0.4s linear;
}
.VerticalMenu > div > .sub-menu {
    width: 100%;
    display: none;
}
.VerticalMenu > div > .sub-menu > div {
    background-color: #ffffff;
    transition: background-color 0.1s linear;
    text-align: left;
    line-height: 40px;
    border-bottom: 1px solid #e6e6e6;
    font-size: 1rem;
    padding: 5px 0px 5px 25px;
}
.VerticalMenu > div > .sub-menu  a{
    color: #151515;
}
.VerticalMenu > div > .sub-menu > div:hover, .VerticalMenu > div > .sub-menu  a:hover{
    color: #d93b3d;!important;
}
.VerticalMenu > div > .sub-menu .active a{
    color: #d93b3d;
    font-weight: bold;
}
.VerticalMenu > div:first-child > div:first-child { /*大标题*/
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
}
.VerticalMenu > .sub-menu > div:first-child {
    border-bottom-left-radius: 5px;
    border-bottom-right-radius: 5px;

}
.VerticalMenu > div:last-child::after {
    display: block;
    clear: both;
}
.article-title{
    font-size: 24px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 80px;
    color: #151515;
    text-align: center;
    background-color: #eeeeee;
    border-bottom: 1px solid  #dddddd;
}

/*====================================================================================================*/
.r-contents{
    margin-top: 60px;
}
.text-title h5{
    color: #151515;
    font-weight: bold;
    line-height: 70px;
}
.text-title{
    margin-top: 58px;
}

.text-title div:first-child{
    width: 10px;
    height: 70px;
    background-color: #d93b3d;

}
.text-title div:last-child{
    background-color: #eeeeee;
    height: 70px;
    padding-left: 25px;
}
.display-doc{
    /*border: 1px solid black;*/

}
.display-doc iframe{
    height: 725px;
    width: 100%;
   /*border: 1px solid black;*/
}


















/*===========================================mobile style==========================================*/
@media screen and (max-width: 768px){

}