.article-page {
    padding: calc(92px + 1.25rem) 1rem 3.5rem;
    position: relative;
    overflow: hidden;
}

.article-page::before {
    content: '';
    position: absolute;
    top: -200px;
    left: -200px;
    width: 400px;
    height: 400px;
    background: rgba(58, 134, 45, 0.1);
    border-radius: 50%;
    z-index: 0;
}

.article-page::after {
    content: '';
    position: absolute;
    bottom: -150px;
    right: -150px;
    width: 300px;
    height: 300px;
    background: rgba(65, 194, 38, 0.1);
    border-radius: 50%;
    z-index: 0;
}

.article-wrapper {
    max-width: 1200px;
    margin: -6rem auto 0;
    position: relative;
    z-index: 1;
}

.article-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.92rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.article-breadcrumb span {
    color: var(--text-color);
}

.article-header {
    background: #fff;
    border: 1px solid rgba(44, 62, 80, 0.12);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem 2.5rem;
    margin-bottom: 1.25rem;
    position: static !important;
    height: fit-content;
}

.article-header h1 {
    margin-bottom: 0.4rem;
    margin-top: 0;
    color: var(--primary-color);
    font-size: 2rem;
}

.article-subtitle {
    margin-bottom: 0.85rem;
    color: #4d6378;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.92rem;
    color: var(--text-color);
}

.article-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 1.25rem;
    align-items: start;
}

.article-pdf {
    border: 1px solid rgba(44, 62, 80, 0.12);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    position: static !important;
}

.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: static !important;
}

.article-infobox,
.article-toc {
    background: #fff;
    border: 1px solid rgba(44, 62, 80, 0.12);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1rem;
    position: static !important;
}

.article-infobox h2,
.article-toc h2 {
    font-size: 1.08rem;
    color: var(--primary-color);
    margin-bottom: 0.9rem;
}

.article-infobox img {
    width: 100%;
    height: auto;
    border-radius: 6px;
    margin-bottom: 0.9rem;
    border: 1px solid rgba(44, 62, 80, 0.12);
}

.article-infobox dl {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.info-row {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 0.6rem;
    font-size: 0.9rem;
}

.info-row dt {
    color: var(--primary-color);
    font-weight: 600;
}

.article-toc ol {
    margin-left: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.article-toc a {
    color: var(--secondary-color);
    font-size: 0.92rem;
}

.article-main-column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.article-content {
    background: #fff;
    border: 1px solid rgba(44, 62, 80, 0.12);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1.6rem;
    position: static !important;
}

.article-add {
    background: #3a862d1a;
    border: 1px solid rgba(44, 62, 80, 0.12);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1.6rem;
    position: static !important;
}

.article-section {
    margin-bottom: 1.7rem;
}

.article-section:last-child {
    margin-bottom: 0;
}

.article-section h2 {
    margin-bottom: 0.75rem;
    border-bottom: 2px solid rgba(52, 152, 219, 0.22);
    padding-bottom: 0.45rem;
    color: var(--primary-color);
    font-size: 1.4rem;
}

.article-section p {
    margin-bottom: 0.8rem;
    color: var(--text-color);
    line-height: 1.72;
}

.article-section ul,
.article-section ol {
    margin: 0.2rem 0 0.8rem 1.4rem;
}

.article-section li {
    margin-bottom: 0.3rem;
    line-height: 1.65;
}

.article-note {
    background: rgba(52, 152, 219, 0.1);
    border-left: 4px solid var(--secondary-color);
    padding: 0.8rem 0.9rem;
    border-radius: 4px;
    margin-top: 0.8rem;
    font-size: 0.92rem;
}

@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        position: static;
    }
}

@media (max-width: 640px) {
    .article-page {
        padding: calc(92px + 0.8rem) 0.6rem 2.5rem;
    }

    .article-header,
    .article-content,
    .article-infobox,
    .article-toc {
        padding: 1rem;
    }

    .article-header h1 {
        font-size: 1.55rem;
        margin-top: 0rem;
    }

    .article-section h2 {
        font-size: 1.2rem;
    }

    .info-row {
        grid-template-columns: 1fr;
        gap: 0.2rem;
    }
}