.help-page { padding: 8px 0 48px; }
.help-layout {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}
.help-side {
    position: sticky;
    top: calc(var(--header-h) + 16px);
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.help-cat-nav {
    padding: 14px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--bg-card);
}
.help-cat-nav h3 {
    margin: 0 0 12px;
    font-size: 14px;
    font-weight: 800;
}
.help-cat-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 10px;
    color: var(--text-2);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: background .2s, color .2s;
}
.help-cat-link span:first-child { width: 1.4em; text-align: center; }
.help-cat-link:hover,
.help-cat-link.is-active {
    background: var(--primary-soft);
    color: var(--primary);
}
.help-search {
    display: flex;
    gap: 10px;
    margin-bottom: 18px;
}
.help-search input {
    flex: 1;
    min-width: 0;
    padding: 11px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 14px;
}
.help-faq-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.help-faq-item {
    display: block;
    padding: 16px 18px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    text-decoration: none;
    color: inherit;
    transition: border-color .2s, box-shadow .2s;
}
.help-faq-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}
.help-faq-item__title {
    margin: 0 0 6px;
    font-size: 16px;
    font-weight: 800;
    color: var(--text);
}
.help-faq-item:hover .help-faq-item__title { color: var(--primary); }
.help-faq-item__summary {
    margin: 0;
    font-size: 13px;
    color: var(--text-2);
    line-height: 1.6;
}
.help-faq-item__meta {
    margin-top: 10px;
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.help-flag {
    display: inline-block;
    margin-right: 6px;
    padding: 1px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    background: var(--primary-soft);
    color: var(--primary);
}
.help-hot {
    padding: 14px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--bg-card);
}
.help-hot h3 { margin: 0 0 10px; font-size: 14px; font-weight: 800; }
.help-hot ul { list-style: none; margin: 0; padding: 0; }
.help-hot li { margin: 0; }
.help-hot a {
    display: block;
    padding: 8px 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-2);
    border-bottom: 1px dashed var(--border);
}
.help-hot li:last-child a { border-bottom: none; }
.help-hot a:hover { color: var(--primary); }

.help-detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 24px;
}
.help-related {
    padding: 14px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--bg-card);
}
.help-related h3 { margin: 0 0 10px; font-size: 14px; font-weight: 800; }
.help-related ul { list-style: none; margin: 0; padding: 0; }
.help-related a {
    display: block;
    padding: 8px 0;
    font-size: 13px;
    color: var(--text-2);
    border-bottom: 1px dashed var(--border);
}
.help-related li:last-child a { border-bottom: none; }

@media (max-width: 900px) {
    .help-layout,
    .help-detail-layout { grid-template-columns: 1fr; }
    .help-side { position: static; }
}