.article-page {
    padding-top: 100px;
    min-height: 100vh;
    background: #ffffff;
}
.article-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 20px;
}
.breadcrumbs {
    color: #666;
    margin-bottom: 2rem;
    font-size: 0.9rem;
}
.breadcrumbs a {
    color: #00BFA5;
    text-decoration: none;
    transition: color 0.3s;
}
.breadcrumbs a:hover {
    color: #00897B;
}
.breadcrumbs span {
    margin: 0 0.5rem;
}
.article-card {
    margin-bottom: 2rem;
}
.article-header {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e0e0e0;
}
.article-category {
    display: inline-block;
    background: #00BFA5;
    color: #fff;
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
}
.article-title {
    color: #333;
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 1.5rem;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    color: #666;
    font-size: 0.9rem;
}
.article-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.article-meta-item strong {
    color: #333;
    margin-right: 0.3rem;
}
.article-description {
    background: rgba(0, 191, 165, 0.08);
    border-left: 3px solid #00BFA5;
    padding: 1.5rem;
    border-radius: 8px;
    color: #555;
    font-size: 1rem;
    line-height: 1.8;
    margin: 2rem 0;
}
.article-content {
    color: #333;
    font-size: 1.05rem;
    line-height: 1.9;
    word-wrap: break-word;
}
.article-content p {
    margin-bottom: 1.5rem;
}
.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 2rem 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}
.article-content h2,
.article-content h3,
.article-content h4 {
    color: #333;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}
.article-content h2 {
    font-size: 1.75rem;
    border-bottom: 2px solid rgba(0, 191, 165, 0.3);
    padding-bottom: 0.5rem;
}
.article-content h3 {
    font-size: 1.5rem;
}
.article-content h4 {
    font-size: 1.25rem;
}
.article-content a {
    color: #00BFA5;
    text-decoration: none;
    transition: color 0.3s;
}
.article-content a:hover {
    color: #00897B;
    text-decoration: underline;
}
.article-content ul,
.article-content ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}
.article-content li {
    margin-bottom: 0.8rem;
}
.article-content blockquote {
    border-left: 4px solid #00BFA5;
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    color: #666;
    font-style: italic;
}
.article-navigation {
    background: #f9f9f9;
    border-radius: 12px;
    padding: 1.5rem;
    margin: 2rem 0;
    border: 1px solid #e0e0e0;
}
.article-navigation ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.article-navigation li {
    margin-bottom: 0.8rem;
}
.article-navigation a {
    color: #00BFA5;
    text-decoration: none;
    transition: color 0.3s;
}
.article-navigation a:hover {
    color: #00897B;
}
.article-pages {
    text-align: center;
    margin: 2rem 0;
    color: #666;
}
.article-tags {
    margin: 2rem 0;
    padding-top: 2rem;
    border-top: 1px solid #e0e0e0;
}
.article-tags strong {
    color: #333;
    margin-right: 1rem;
}
.article-tags a {
    display: inline-block;
    background: rgba(0, 191, 165, 0.2);
    color: #00BFA5;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    text-decoration: none;
    margin: 0.3rem;
    font-size: 0.9rem;
    transition: all 0.3s;
}
.article-tags a:hover {
    background: rgba(0, 191, 165, 0.2);
    color: #00897B;
}
.article-prev-next {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 2rem 0;
}
.article-prev-next-item {
    background: #f9f9f9;
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid #e0e0e0;
    transition: all 0.3s;
}
.article-prev-next-item:hover {
    background: #f5f5f5;
    border-color: #00BFA5;
}
.article-prev-next-item strong {
    color: #00BFA5;
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}
.article-prev-next-item a {
    color: #333;
    text-decoration: none;
    line-height: 1.5;
    display: block;
    transition: color 0.3s;
}
.article-prev-next-item a:hover {
    color: #00BFA5;
}
.article-related {
    background: #f9f9f9;
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
    border: 1px solid #e0e0e0;
}
.article-related h5 {
    color: #00BFA5;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}
.article-related ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.article-related li {
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.article-related li:last-child {
    border-bottom: none;
}
.article-related a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.article-related a:hover {
    color: #00BFA5;
}
.article-related span {
    color: #999;
    font-size: 0.85rem;
}
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #00BFA5, #26A69A);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 191, 165, 0.3);
    transition: all 0.3s ease;
    z-index: 1000;
    color: #fff;
    opacity: 0;
    pointer-events: none;
}
.back-to-top.is-visible {
    opacity: 1;
    pointer-events: auto;
}
.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 191, 165, 0.4);
    background: linear-gradient(45deg, #26A69A, #00BFA5);
}
.back-to-top svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}
@media (max-width: 768px) {
    .article-container {
        padding: 2rem 15px;
    }
    .article-title {
        font-size: 1.5rem;
    }
    .article-prev-next {
        grid-template-columns: 1fr;
    }
    .article-meta {
        flex-direction: column;
        gap: 0.8rem;
    }
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
    .back-to-top svg {
        width: 20px;
        height: 20px;
    }
}