:root {
  color-scheme: dark;
  --help-bg: #090b0d;
  --help-panel: #111518;
  --help-line: #2b343b;
  --help-text: #eef2f4;
  --help-muted: #aab6bf;
  --help-blue: #58b9ed;
  --help-green: #61d6a5;
  --help-red: #ef8e99;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body.help-page { margin: 0; background: var(--help-bg); color: var(--help-text); font: 16px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif; letter-spacing: 0; }
body.help-page a { color: var(--help-blue); text-underline-offset: 3px; }
body.help-page a:hover { color: #a4def9; }
body.help-page :focus-visible { outline: 2px solid var(--help-blue); outline-offset: 4px; }
.help-page img { display: block; max-width: 100%; height: auto; }
.help-page svg { flex: 0 0 auto; width: 18px; height: 18px; }
.help-skip { position: fixed; left: 12px; top: -100px; padding: 10px 16px; z-index: 5; background: var(--help-panel); }
.help-skip:focus { top: 12px; }

.help-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px max(24px, calc((100% - 1240px) / 2)); border-bottom: 1px solid var(--help-line); }
.help-brand { display: flex; align-items: center; gap: 12px; min-width: 0; text-decoration: none; }
.help-brand img { flex: 0 0 auto; width: 36px; height: 40px; }
.help-brand strong { display: block; color: var(--help-text); font-size: 18px; line-height: 1.3; }
.help-brand small { display: block; color: var(--help-muted); font-size: 12px; line-height: 1.5; }
.help-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
.help-nav a { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--help-muted); text-decoration: none; }
.help-nav a[aria-current="page"] { color: var(--help-text); text-decoration: underline; text-decoration-color: var(--help-blue); text-decoration-thickness: 2px; text-underline-offset: 7px; }

.help-main { max-width: 1240px; margin: 0 auto; padding: 44px 24px 72px; }
.help-intro { max-width: 940px; margin-bottom: 40px; }
.help-kicker { margin: 0 0 8px; color: var(--help-muted); font-size: 12px; font-weight: 700; line-height: 1.5; }
.help-page h1 { margin: 0 0 18px; font-size: 38px; line-height: 1.2; font-weight: 700; overflow-wrap: anywhere; }
.help-lead { margin: 0 0 16px; max-width: 800px; font-size: 19px; line-height: 1.65; }
.help-meta { margin: 0; color: var(--help-muted); font-size: 13px; }
.help-layout { display: grid; grid-template-columns: 228px minmax(0, 1fr); gap: 44px; align-items: start; }
.help-layout > aside { position: sticky; top: 24px; }
.help-layout > aside > .help-toc { position: static; }
.help-toc { position: sticky; top: 24px; padding: 18px 0; border-top: 1px solid var(--help-line); border-bottom: 1px solid var(--help-line); }
.help-toc h2 { margin: 0 0 12px; font-size: 16px; }
.help-toc ol { margin: 0; padding: 0; list-style: none; }
.help-toc li + li { margin-top: 4px; }
.help-toc a { display: block; padding: 5px 0; font-size: 14px; line-height: 1.45; color: var(--help-muted); text-decoration: none; overflow-wrap: anywhere; }
.help-toc a:hover { color: var(--help-text); }
.help-content { min-width: 0; }
.help-section { padding: 0 0 34px; margin: 0 0 34px; border-bottom: 1px solid var(--help-line); scroll-margin-top: 24px; }
.help-section:last-child { margin-bottom: 0; }
.help-page h2 { margin: 0 0 16px; font-size: 26px; line-height: 1.3; overflow-wrap: anywhere; }
.help-page h3 { margin: 0 0 8px; font-size: 17px; line-height: 1.4; overflow-wrap: anywhere; }
.help-section p { margin: 0 0 16px; }
.help-section p:last-child { margin-bottom: 0; }
.help-section ul { padding-left: 22px; margin: 0 0 18px; }
.help-section li { margin-bottom: 10px; overflow-wrap: anywhere; }
.help-steps { margin: 0 0 18px; padding-left: 24px; }
.help-steps li { padding-left: 5px; margin-bottom: 15px; }
.help-note, .help-warning { padding: 12px 0 12px 16px; border-left: 3px solid var(--help-blue); color: var(--help-muted); }
.help-warning { border-color: var(--help-red); }
.help-blue { color: var(--help-blue); }
.help-green { color: var(--help-green); }
.help-red { color: var(--help-red); }
.help-media { max-width: 390px; margin: 24px auto; }
.help-media img { width: 100%; max-height: 450px; object-fit: contain; }
.help-media figcaption { margin-top: 12px; color: var(--help-muted); font-size: 13px; line-height: 1.5; }
.help-item-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 22px 0; }
.help-item { min-width: 0; padding: 14px; border: 1px solid var(--help-line); border-radius: 6px; background: var(--help-panel); }
.help-item img { width: 100%; aspect-ratio: 1; object-fit: contain; margin-bottom: 12px; }
.help-item p { color: var(--help-muted); font-size: 14px; line-height: 1.6; }
.help-table-wrap { width: 100%; margin: 20px 0; overflow-x: auto; }
.help-table { width: 100%; border-collapse: collapse; font-size: 14px; line-height: 1.6; }
.help-table caption { text-align: left; font-weight: 600; color: var(--help-muted); margin-bottom: 10px; }
.help-table th, .help-table td { padding: 12px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--help-line); overflow-wrap: anywhere; }
.help-table thead th { background: var(--help-panel); }
.help-table tbody th { font-weight: 600; }

.help-faq-list { margin: 0 0 24px; }
.help-question { padding: 0; border-bottom: 1px solid var(--help-line); }
.help-question:first-child { border-top: 1px solid var(--help-line); }
.help-question summary { padding: 17px 0; cursor: pointer; font-size: 16px; font-weight: 600; line-height: 1.5; overflow-wrap: anywhere; }
.help-question summary::marker { color: var(--help-blue); }
.help-answer { padding: 0 0 18px; color: var(--help-muted); }
.help-answer p, .help-answer ul, .help-answer ol { margin: 0 0 12px; }
.help-answer > :last-child { margin-bottom: 0; }
.help-answer strong { color: var(--help-text); }
.help-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; padding: 24px max(24px, calc((100% - 1240px) / 2)); border-top: 1px solid var(--help-line); font-size: 13px; }
.help-footer > a { color: var(--help-text); text-decoration: none; font-weight: 600; }
.help-footer nav { display: flex; flex-wrap: wrap; gap: 12px 20px; }

@media (max-width: 1050px) {
  .help-header { align-items: flex-start; flex-direction: column; gap: 18px; }
  .help-layout { grid-template-columns: 196px minmax(0, 1fr); gap: 28px; }
  .help-item-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .help-header { padding: 18px 20px; }
  .help-main { padding: 32px 20px 48px; }
  .help-page h1 { font-size: 30px; }
  .help-lead { font-size: 17px; }
  .help-intro { margin-bottom: 28px; }
  .help-layout { display: block; }
  .help-layout > aside { position: static; }
  .help-toc { position: static; margin-bottom: 32px; }
  .help-toc ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 20px; }
  .help-toc li + li { margin-top: 0; }
  .help-page h2 { font-size: 23px; }
  .help-footer { padding: 22px 20px; }
}
@media (max-width: 390px) {
  .help-header { padding: 16px; }
  .help-main { padding: 28px 16px 40px; }
  .help-nav { gap: 12px 16px; }
  .help-page h1 { font-size: 28px; }
  .help-toc ol { gap: 2px 12px; }
  .help-item-grid { gap: 12px; }
  .help-item { padding: 10px; }
  .help-item h3 { font-size: 15px; }
  .help-item p { font-size: 13px; }
  .help-table th, .help-table td { padding: 9px 7px; font-size: 13px; }
  .help-footer { padding: 20px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}