.google-preferred-source {
    display: grid;
    justify-items: start;
    gap: 12px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 2px solid var(--border-color);
    color: var(--text-primary);
}
.google-preferred-source strong { font-size: 18px; }
.article-body .google-preferred-source p { margin: 0; line-height: 1.6; }
.google-preferred-source a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    max-width: 100%;
    box-sizing: border-box;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-control);
    color: var(--text-primary);
    background: var(--input-bg);
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
}
.google-preferred-source a img {
    flex-shrink: 0;
    display: block;
    width: 20px;
    height: 20px;
    object-fit: contain;
}
.google-preferred-source a:hover { border-color: var(--primary-color); }
.google-preferred-source a:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 4px;
}
.google-preferred-source small {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.6;
}
.community-preferred-source {
    margin: 0 0 16px;
    padding: 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-card);
    background: var(--card-bg);
}
.community-preferred-source .google-preferred-source {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
    margin: 0;
    padding: 0;
    border: 0;
}
.community-preferred-source .google-preferred-source strong,
.community-preferred-source .google-preferred-source small {
    display: none;
}
.community-preferred-source .google-preferred-source a { white-space: nowrap; }
.community-preferred-source p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}
.community-grid:has(+ .community-preferred-source) { padding-bottom: 16px; }
.forum-rules:has(+ .community-preferred-source),
.forum-topic-list:has(+ .community-preferred-source),
.forum-reply-box:has(+ .community-preferred-source) { margin-bottom: 16px; }
@media (max-width: 767px) {
    .community-preferred-source .google-preferred-source {
        grid-template-columns: minmax(0, 1fr);
        gap: 12px;
    }
    .community-preferred-source .google-preferred-source a { white-space: normal; }
}