.csnh-preferred-source {
  --csnh-preferred-navy: var(--aff-brand-900, #0a2647);
  --csnh-preferred-blue: var(--aff-brand, #2f80ed);
  --csnh-preferred-gold: var(--aff-accent, #f9b233);
  --csnh-preferred-ink: var(--aff-ink, #172033);
  --csnh-preferred-muted: var(--aff-muted, #64748b);
  --csnh-preferred-line: var(--aff-line, #e2e8f0);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--csnh-preferred-line);
  color: var(--csnh-preferred-ink);
}

.csnh-preferred-source__copy { margin: 0; color: var(--csnh-preferred-navy); font-weight: 700; }
.csnh-preferred-source__button {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-height: 44px;
  padding: .7rem 1rem;
  border: 1px solid var(--csnh-preferred-navy);
  border-radius: 10px;
  background: var(--csnh-preferred-navy);
  color: #fff !important;
  font-weight: 750;
  line-height: 1.25;
  text-align: center;
  text-decoration: none !important;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}

.csnh-preferred-source__button:hover { transform: translateY(-1px); border-color: var(--csnh-preferred-blue); background: var(--csnh-preferred-blue); box-shadow: 0 8px 18px rgba(10, 38, 71, .14); }
.csnh-preferred-source__button:focus-visible { outline: 3px solid var(--csnh-preferred-gold); outline-offset: 3px; }
.csnh-preferred-source__icon { color: var(--csnh-preferred-gold); font-size: 1.1rem; line-height: 1; }

.csnh-preferred-source-home { max-width: 760px; margin: 2rem auto 0; padding: 1.25rem 1.4rem; border-left: 4px solid var(--csnh-preferred-gold); border-radius: 0 12px 12px 0; background: #f8fafc; }
.csnh-preferred-source-home .csnh-preferred-source { margin-top: 0; padding-top: 0; border-top: 0; }
.csnh-preferred-source-home--fallback { max-width: none; margin: 2rem 0 0; padding: 0 0 1rem; background: #f8fafc; }
.csnh-preferred-source-home--fallback .csnh-preferred-source { max-width: 760px; margin-right: auto; margin-left: auto; padding: 1.25rem 1.4rem; border-left: 4px solid var(--csnh-preferred-gold); border-radius: 0 12px 12px 0; background: #fff; }

.csnh-preferred-source-page { max-width: 880px; margin: 2rem auto; }
.csnh-preferred-source-page__panel { padding: clamp(1.25rem, 4vw, 2.5rem); border: 1px solid var(--csnh-preferred-line); border-radius: 18px; background: #fff; box-shadow: 0 12px 30px rgba(10, 38, 71, .08); }
.csnh-preferred-source-page__eyebrow { margin: 0; color: var(--csnh-preferred-blue); font-size: .85rem; font-weight: 800; letter-spacing: .08em; }
.csnh-preferred-source-page h1 { margin: .45rem 0 .8rem; color: var(--csnh-preferred-navy); font-size: clamp(1.7rem, 4vw, 2.5rem); line-height: 1.15; }
.csnh-preferred-source-page__lead { max-width: 58ch; margin: 0; color: var(--csnh-preferred-ink); font-size: 1.08rem; line-height: 1.6; }
.csnh-preferred-source-page__steps { display: grid; gap: .55rem; margin: 1.35rem 0; padding-left: 1.35rem; color: var(--csnh-preferred-ink); }
.csnh-preferred-source-page__note { padding: .85rem 1rem; border-radius: 10px; background: #f8fafc; color: var(--csnh-preferred-muted); font-size: .94rem; line-height: 1.5; }

.csnh-preferred-source-footer { margin-top: 2rem; padding: .65rem 0; background: #061e38; }
.csnh-preferred-source-footer .csnh-preferred-source { min-height: 44px; margin: 0; padding: 0; border: 0; color: #fff; }
.csnh-preferred-source-footer .csnh-preferred-source__copy { color: #fff; font-size: .94rem; }
.csnh-preferred-source-footer .csnh-preferred-source__button { min-height: 38px; padding: .48rem .78rem; border-color: rgba(255, 255, 255, .35); background: transparent; font-size: .88rem; }
.csnh-preferred-source-footer .csnh-preferred-source__button:hover { border-color: var(--csnh-preferred-gold); background: rgba(255, 255, 255, .11); box-shadow: none; }

@media (max-width: 640px) {
  .csnh-preferred-source { align-items: stretch; flex-direction: column; }
  .csnh-preferred-source__button { width: 100%; }
  .csnh-preferred-source-footer { margin-top: 1.25rem; }
  .csnh-preferred-source-footer .csnh-preferred-source { align-items: stretch; }
}