body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
}

.article-detail {
    padding: 70px 0 90px;
}

.article-header {
    margin-bottom: 42px;
    text-align: center;
}

.news-meta {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.news-date {
    color: #777777;
    font-size: 0.95rem;
    font-weight: bold;
}

.news-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
}

.tag-green {
    background-color: #8cc63f;
    color: #ffffff;
}

.tag-yellow {
    background-color: #F7D070;
    color: #333333;
}

.tag-purple {
    background-color: #9e7bc1;
    color: #ffffff;
}

.article-title {
    margin: 0;
    color: #333333;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    line-height: 1.5;
}

.article-body {
    font-size: 1.05rem;
    line-height: 1.9;
    color: #444444;
}

.article-body::after {
    content: "";
    display: block;
    clear: both;
}

.article-body h2,
.article-body h3,
.article-body h4 {
    margin: 2.2em 0 0.8em;
    line-height: 1.5;
    color: #333333;
}

.article-body p {
    margin: 0 0 1.4em;
}

.article-body ul,
.article-body ol {
    padding-left: 1.5em;
    margin: 1.2em 0;
}

.article-body li {
    margin-bottom: 0.5em;
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 20px 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.article-body figure {
    margin: 35px 0;
    text-align: center;
}

.article-body figcaption {
    margin-top: 10px;
    color: #777777;
    font-size: 0.9rem;
}

.article-body blockquote {
    margin: 32px 0;
    padding: 22px 26px;
    border-left: 5px solid #84D2E5;
    background: #f2fafd;
    border-radius: 8px;
}

.article-body blockquote cite {
    display: block;
    margin-top: 12px;
    color: #777777;
    font-size: 0.9rem;
}

.article-body hr {
    border: 0;
    border-top: 2px dashed #e1e8ed;
    margin: 42px 0;
}

.article-body img[style*="float: left"],
.article-body .alignleft {
    float: left;
    margin: 10px 30px 20px 0;
}

.article-body img[style*="float: right"],
.article-body .alignright {
    float: right;
    margin: 10px 0 20px 30px;
}

.article-body img[style*="margin-left: auto"],
.article-body .aligncenter {
    display: block;
    margin: 40px auto;
}

.article-body iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    margin: 40px 0;
    border: none;
    border-radius: 12px;
}

.article-body .note-box-bg,
.article-body .note-box-border {
    padding: 30px;
    border-radius: 8px;
    margin: 35px 0;
    color: #444444;
}

.article-body .note-box-border {
    background-color: #ffffff;
    border: 2px solid;
}

.article-body .note-bg-gray {
    background-color: #f4f7f8;
}

.article-body .note-bg-blue {
    background-color: #f0f9fb;
}

.article-body .note-bg-yellow {
    background-color: #fffdf5;
}

.article-body .note-bg-green {
    background-color: #f7fcf2;
}

.article-body .note-bg-purple {
    background-color: #fbf9fc;
}

.article-body .note-border-gray {
    border-color: #e0e0e0;
}

.article-body .note-border-blue {
    border-color: #84D2E5;
}

.article-body .note-border-yellow {
    border-color: #F7D070;
}

.article-body .note-border-green {
    border-color: #8cc63f;
}

.article-body .note-border-purple {
    border-color: #9e7bc1;
}

.article-body .note-box-bg p:first-child,
.article-body .note-box-border p:first-child {
    margin-top: 0;
}

.article-body .note-box-bg p:last-child,
.article-body .note-box-border p:last-child {
    margin-bottom: 0;
}

.article-pdf-box {
    background-color: #f2fafd;
    border: 1px solid #84D2E5;
    padding: 35px 20px;
    border-radius: 12px;
    text-align: center;
    margin-top: 60px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    clear: both;
}

.article-pdf-box p {
    margin: 0 0 20px;
    color: #333333;
    font-size: 1.1rem;
    font-weight: bold;
}

.btn-pdf {
    display: inline-block;
    background: #F7D070;
    color: #333333;
    padding: 12px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1rem;
    box-shadow: 0 4px 10px rgba(247, 208, 112, 0.4);
    transition: all 0.3s ease;
}

.btn-pdf:hover {
    transform: translateY(-2px);
    background-color: #e6be5c;
    box-shadow: 0 6px 15px rgba(247, 208, 112, 0.5);
}

.article-footer {
    margin-top: 50px;
    text-align: center;
}

.article-footer-spaced {
    padding-bottom: 40px;
}

@media screen and (max-width: 768px) {
    .article-detail {
        padding: 45px 0 70px;
    }

    .article-body img[style*="float: left"],
    .article-body img[style*="float: right"],
    .article-body .alignleft,
    .article-body .alignright {
        float: none;
        display: block;
        margin: 30px auto;
    }

    .article-body .note-box-bg,
    .article-body .note-box-border {
        padding: 20px 15px;
    }
}