.article-nav {
    display: flex;
    justify-content: space-between;
    padding: 40px 0;
    margin-top: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
    box-sizing: border-box;
}

.article-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-decoration: none;
    transition: all 0.3s ease;
    max-width: 45%;
}

.article-nav-item:hover {
    background: rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.3);
}

.article-nav-item.prev {
    flex-direction: row;
}

.article-nav-item.next {
    flex-direction: row-reverse;
    text-align: right;
    margin-left: auto;
}

.article-nav-arrow {
    font-size: 20px;
    color: #667eea;
}

.article-nav-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.article-nav-label {
    font-size: 12px;
    color: #777;
}

.article-nav-title {
    font-size: 14px;
    color: #e0e0e0;
    font-weight: 500;
}