.help-article { max-width: 850px; margin: 32px auto; padding: 32px; border: 1px solid #e2e8f0; border-radius: 16px; background: #fff; }
.help-article h1 { font-size: clamp(1.8rem, 5vw, 2.5rem); margin: 16px 0; line-height: 1.3; }
.help-article h2 { font-size: 1.4rem; margin: 28px 0 12px; }
.help-article h3 { margin: 18px 0 8px; }
.help-article p, .help-article ul, .help-article ol, .help-article dl { margin: 14px 0; }
.help-article li { margin: 8px 0 8px 24px; }
.help-article dt { font-weight: 700; margin-top: 12px; }
.help-article dd { overflow-wrap: anywhere; }
.help-article a { color: #4338ca; text-decoration: underline; text-underline-offset: 3px; }
.help-article input:focus-visible, .help-article a:focus-visible { outline: 3px solid #4338ca; outline-offset: 4px; }
.help-article [hidden] { display: none !important; }
.help-article #fileError { padding: 12px; color: #991b1b; background: #fef2f2; }
.help-article #fileResult { border: 1px solid #cbd5e1; padding: 16px; border-radius: 8px; }
.help-article .table-scroll, .post-content .table-scroll { overflow-x: auto; max-width: 100%; }
.help-article table { border-collapse: collapse; width: 100%; }
.help-article th, .help-article td { padding: 10px; border: 1px solid #cbd5e1; text-align: left; }
.post-content table { width: 100%; border-collapse: collapse; table-layout: fixed; font-size: .92em; }
.post-content th, .post-content td { padding: 10px; border: 1px solid #cbd5e1; text-align: left; vertical-align: top; overflow-wrap: anywhere; }
.guide-summary { border-bottom: 1px solid #e2e8f0; padding-bottom: 14px; }
.help-article h2[id] { scroll-margin-top: 100px; }
header.post-header { position: static !important; z-index: auto; backdrop-filter: none !important; }
@media (max-width: 600px) { .help-article { padding: 20px; margin: 20px 0; } }