.help-center { margin-top: 28px; }
.help-breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 28px; font-size: 14px; }
.help-breadcrumbs a { text-decoration: underline; text-underline-offset: 3px; }
.help-search { display: flex; gap: 10px; max-width: 640px; margin: 0 auto 44px; }
.help-search input { flex: 1; min-width: 0; border: 1px solid #aaa; border-radius: 0; padding: 12px 16px; background: white; }
.help-category-heading { font-size: 24px; margin: 0 0 24px; }
.help-categories { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.help-category { border: 1px solid var(--line); padding: 32px 20px; text-align: center; display: flex; flex-direction: column; justify-content: center; min-height: 126px; }
.help-category:hover { border-color: var(--cyan); background: #f3fbfc; text-decoration: none; }
.help-category h3 { margin: 0; font-size: 19px; }
.help-category p { margin: 12px 0 0; font-size: 14px; }
.help-article-list, .help-section-list { padding: 0; margin: 0 0 32px; list-style: none; }
.help-article-list li, .help-section-list li { border-bottom: 1px solid var(--line); }
.help-article-list a, .help-section-list a { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 18px 0; overflow-wrap: anywhere; }
.help-section-list a { font-weight: 600; }
.help-detail-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 48px; }
.help-related h2 { font-size: 17px; margin: 0 0 10px; }
.help-related .help-article-list { font-size: 14px; }
.help-related .help-article-list a { padding: 12px 0; gap: 10px; }
.help-article-body { min-width: 0; overflow-x: auto; overflow-wrap: anywhere; line-height: 1.7; }
.help-article-body h2 { font-size: 25px; margin: 32px 0 18px; }
.help-article-body h3, .help-article-body h4 { font-size: 20px; margin: 28px 0 16px; }
.help-article-body > :first-child { margin-top: 0; }
.help-article-body ul { list-style: disc; padding-left: 24px; }
.help-article-body ol { padding-left: 24px; }
.help-article-body li { margin-bottom: 10px; }
.help-article-body a, .help-contact a { text-decoration: underline; text-underline-offset: 3px; }
.help-article-body table { width: 100%; min-width: 520px; border-collapse: collapse; margin-bottom: 24px; font-size: 14px; }
.help-article-body td, .help-article-body th { border: 1px solid var(--line); padding: 12px; text-align: left; vertical-align: top; }
.help-article-body img { max-width: 100%; height: auto; }
.help-article-body figure { margin: 24px 0; }
.help-contact { border-top: 1px solid var(--line); margin: 36px 0 0; padding-top: 24px; }
@media (max-width: 900px) {
    .help-categories { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .help-detail-layout { grid-template-columns: 1fr; gap: 32px; }
    .help-related { order: 2; }
}
@media (max-width: 600px) {
    .help-categories { grid-template-columns: 1fr; gap: 14px; }
    .help-category { min-height: 86px; padding: 24px 16px; }
    .help-search { margin-bottom: 32px; }
    .help-search button { padding: 12px 16px !important; }
    .help-article-body h2 { font-size: 22px; }
    .help-article-body h3, .help-article-body h4 { font-size: 18px; }
}