/* 行业使用指引 — Tab + Mermaid 导图 */
.guide-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 1.25rem;
    padding: 0;
    list-style: none;
    border-bottom: 2px solid var(--of-border, #e2e8f0);
}
.guide-tabs__btn {
    appearance: none;
    border: none;
    background: transparent;
    padding: 10px 14px;
    margin-bottom: -2px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--of-muted, #64748b);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    border-radius: 6px 6px 0 0;
}
.guide-tabs__btn:hover {
    color: var(--of-text, #0f172a);
    background: #f8fafc;
}
.guide-tabs__btn.is-active {
    color: #0369a1;
    border-bottom-color: #0369a1;
    font-weight: 600;
}
.guide-panel {
    display: none;
}
.guide-panel.is-active {
    display: block;
}
.guide-mermaid {
    background: #f8fafc;
    border: 1px solid var(--of-border, #e2e8f0);
    border-radius: 10px;
    padding: 1rem;
    margin: 1rem 0;
    overflow-x: auto;
}
.guide-mermaid .mermaid {
    min-width: 280px;
}
.guide-subnav {
    font-size: 0.875rem;
    margin: 0.5rem 0 1rem;
}
.guide-subnav a {
    margin-right: 12px;
}
.guide-industry-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--of-border, #e2e8f0);
    font-size: 0.875rem;
}
.guide-industry-links a {
    padding: 4px 10px;
    background: #f1f5f9;
    border-radius: 6px;
}