body {
    padding-left: 0px;
    padding-right: 0px;
    margin-left: 0px;
    margin-right: 0px;
    margin-top: 0px;
}

.separate-line {
    height: 16px;
    background-color: #F4F4F4;
    border-top-style: solid;
    border-top-color: #CFCFCF;
    border-top-width: 1px;
    border-bottom-style: solid;
    border-bottom-color: #CFCFCF;
    border-bottom-width: 1px;
}

.arrow-img{
    width: 20px;
    height: 20px;
    margin-right: 0;
}

img{
    width: 90%;
}

.title {
    margin-left: 15px;
    margin-right: 15px;
    padding-top: 15px;
    padding-bottom: 15px;
    border-bottom-style: solid;
    border-bottom-color: #CFCFCF;
    border-bottom-width: 1px;
    margin-bottom: 20px;
    line-height: 1.5;
    font-size: 18px;
}

#help-list{
    padding-left: 15px;
}

#help-list ul {
    list-style: none;
    padding-left: 0;
}

#help-list li {
    border-bottom: #CFCFCF solid 2px;
    line-height: 2;
    font-size: 18px;
    padding-top: 15px;
    padding-bottom: 0px
}

.text-offset-right{
    padding-right: 40px;
}

a:link,
a:visited {
    text-decoration: none;
    /*超链接无下划线*/
    color: black;
}

.right{
    margin-left: 0;
    padding-right: 0;
    margin-right: 0;
}

.answer{
    padding-left: 15px;
    text-align: left;
    line-height: 1.5;
    margin-bottom: 15px;
}

#answer{
    text-align: center;
}

ul{
    list-style: none;
    padding-left: 0px;
}