/* article styles */
.article_list {
    margin-top: 20px;
}

.article_list li {
    list-style: disc;
    list-style-position: inside;
    color: #CDCDCD;
    display: flex;
    height: 36px;
    align-items: center;
}

.article_list li::before {
    content: '•';
    padding-left: 5px;
    flex: 0 0 30px;
}

.article_list li.line {
    box-sizing: content-box;
    border-bottom: 1px solid #DFDFDF;
    margin-bottom: 18px;
    padding-bottom: 18px;
}

.article_list a {
    font-size: 16px;
    color: #333333;
    text-decoration: none;
    max-width: 60em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.article_list li span {
    margin-left: 25px;
    font-size: 13px;
    color: #999999;
}

.article_list li img.file_icon {
    width: 24px;
    height: 24px;
    margin-right: 25px;
}

.article_list li .btn-link {
    margin-left: 25px;
    text-decoration: underline;
    font-size: 14px;
    color: #3A78EC;
}

/* info */
.article_header {
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
    padding-top: 10px;
    padding-bottom: 15px;
    border-bottom: 1px solid #DFDFDF;
}

.article_header h3 {
    font-size: 30px;
    line-height: 50px;
    color: #333333;
}

.article_header .property {
    display: flex;
    font-size: 14px;
    margin-top: 25px;
    color: #999999;
}

.article_header .property >span:not(:last-child) {
    margin-right: 20px;
}

/* content */

.article_content {
    padding: 40px 15px;
}

.article_content > :not(:last-child) {
    margin-bottom: 6px;
}

.article_content p {
    color: #454545;
    font-size: 16px;
    line-height: 28px;
    text-indent: 2em;
}

.article_content img {
    display: block;
    border-radius: 3px;
    max-width: 1080px;
    margin: 25px auto;
    box-shadow: 5px 5px 5px #CDCDCD;
}

.article_content hr {
    height: 1px;
    margin: 12px auto;
    border: none;
    border-top: 1px solid #CDCDCD;
    box-shadow: 1px 1px 1px #EFEFEF;
}

.article_content h3 {
    text-align: center;
    font-size: 25px;
}

.article_content h4 {
    color: #555555;
    text-align: center;
    font-size: 21px;
}

.article_content h5 {
    text-align: center;
    font-size: 15px;
    font-weight: normal;
    font-family: '楷体';
    line-height: 20px;
}