.content {
    width: 1200px;
    margin: 10px auto 50px auto;
    font-size: 0;
}

.article-area {
    width: 950px;
    margin: 20px auto 0 auto;
    word-break: break-all;
}

.step1-item {
    width: 950px;
    background-color: white;
    padding: 20px 0;
    margin: 0 auto;
    border-bottom: 1px solid #CDCDCD;
    line-height: 20px;
}

.step-right-btn {
    margin-right: 20px;
    float: right;
    font-size: 18px;
    line-height: 40px;
    font-weight: 600;
    color: white;
    cursor: pointer;
}

.step-right-btn:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.item-answer {
    margin-top: 15px;
    display: flex;
    justify-content: flex-start;
    justify-items: flex-start;
}

.item-btn {
    float: right;
    font-size: 14px;
    color: #9B9B9B;
    cursor: pointer;
}

.item-btn:hover {
    color: #003399;
    text-decoration: underline;
}

.item-title {
    margin-left: 10px;
    display: inline-block;
    vertical-align: top;
    font-size: 18px;
    color: #4a4a4a;
}

.item-title-sub {
    margin-left: 10px;
    display: inline-block;
    width: 920px;
    font-size: 14px;
    color: #4a4a4a;
    text-align: justify;
    text-justify: inter-word;
}

.item-title-sub:before,
.item-title-sub:after{
    content:’’;
    width: 100%;
    display: inline-block;
    overflow: hidden;
    height: 0;
}

.item-img {
    display: inline-block;
    vertical-align: top;
    width: 20px;
    height: 20px;
}