.richtext-layout {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #0f0f0f;
  color: rgba(255, 255, 255, .9);
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}

.richtext-page {
  box-sizing: border-box;
  width: 100%;
  max-width: 1920px;
  min-width: 0;
  margin: 0 auto;
  padding: 32px clamp(24px, 16.6667vw, 320px) 64px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.richtext-about { gap: 40px; }

.richtext-page .site-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  min-width: 0;
  color: rgba(255, 255, 255, .55);
  font-size: 18px;
  line-height: 24px;
}

.richtext-page .site-breadcrumb a { color: inherit; text-decoration: none; }
.richtext-page .site-breadcrumb a:hover { color: #fff; }
.richtext-page .site-breadcrumb [aria-current] { color: #ff4b02; overflow-wrap: anywhere; }
.richtext-page a:focus-visible { outline: 2px solid #ff4b02; outline-offset: 4px; }

.richtext-heading { display: flex; flex-direction: column; gap: 12px; }
.richtext-heading h1 { margin: 0; font-size: 24px; line-height: 32px; font-weight: 600; }
.richtext-heading p { margin: 0; color: rgba(255, 255, 255, .55); font-size: 14px; line-height: 20px; }

.richtext-card {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  padding: 48px 64px;
  border-radius: 12px;
  background: #1a1a1a;
}

.richtext-body { font-size: 16px; line-height: 22px; overflow-wrap: anywhere; }
.richtext-body p { margin: 0; }
.richtext-body h2 { margin: 0 0 24px; font-size: 18px; line-height: 24px; font-weight: 600; }
.richtext-body > h2:not(:first-child) { margin-top: 32px; }
.richtext-body ul, .richtext-body ol { margin: 16px 0; padding-left: 24px; }
.richtext-body ul { list-style: disc; }
.richtext-body ol { list-style: decimal; }
.richtext-body li + li { margin-top: 10px; }
.richtext-body h3 { margin: 0; font-size: 16px; line-height: 22px; font-weight: 600; }
.richtext-body img, .richtext-body video { max-width: 100%; height: auto; }
.richtext-body table { max-width: 100%; }
.richtext-body a { color: #ff4b02; text-underline-offset: 3px; }
.richtext-body .richtext-spacer { height: 22px; }

.richtext-about .richtext-card, .richtext-help .richtext-card { padding: 40px 48px; }
.richtext-about .richtext-body, .richtext-help .richtext-body { color: rgba(255, 255, 255, .55); }
.richtext-about .richtext-body h2, .richtext-help .richtext-body :is(h2, h3) { color: rgba(255, 255, 255, .9); }
.richtext-about .richtext-body h2 { margin: 0 0 14px; font-size: 20px; line-height: 28px; }
.richtext-about .richtext-body h2:not(:first-child) { margin-top: 28px; padding-top: 28px; border-top: 1px solid rgba(255, 255, 255, .05); }
.richtext-about .richtext-body p + p { margin-top: 14px; }
.richtext-about .richtext-body h2:last-of-type ~ p:not(:last-child) { margin-top: 0; }
.richtext-about .richtext-body > p:last-child { margin-top: 28px; color: #a3a3a3; font-size: 12px; line-height: 18px; }

/* Keep standard editor headings/paragraphs so later admin edits preserve the layout. */
.richtext-help .richtext-body h2 { margin-bottom: 0; }
.richtext-help .richtext-body h3 { margin-top: 48px; margin-bottom: 12px; }
.richtext-help .richtext-body h2 + h3 { margin-top: 24px; }
.richtext-help .richtext-body > p:last-child { margin-bottom: 24px; }

@media (max-width: 860px) {
  .richtext-page { padding: 20px 16px 32px; gap: 24px; }
  .richtext-page .site-breadcrumb { font-size: 12px; line-height: 18px; }
  .richtext-heading { gap: 8px; }
  .richtext-heading h1 { font-size: 20px; line-height: 28px; }
  .richtext-heading p { font-size: 12px; line-height: 18px; }
  .richtext-card, .richtext-about .richtext-card, .richtext-help .richtext-card { padding: 24px 20px; }
  .richtext-body { font-size: 14px; line-height: 22px; }
  .richtext-body h2, .richtext-about .richtext-body h2 { font-size: 18px; line-height: 26px; margin-bottom: 16px; }
  .richtext-about .richtext-body h2:not(:first-child) { margin-top: 24px; padding-top: 24px; }
  .richtext-about .richtext-body > p:last-child { margin-top: 24px; }
  .richtext-help .richtext-body h2 { margin-bottom: 0; }
  .richtext-help .richtext-body h3 { margin-top: 32px; font-size: 14px; line-height: 22px; }
  .richtext-help .richtext-body h2 + h3 { margin-top: 24px; }
  .richtext-help .richtext-body > p:last-child { margin-bottom: 0; }
}