.check-hero {
    background: var(--turquoise-pale);
    border-bottom: 1px solid var(--line);
    padding-block: 42px 64px;
  }

  .checklist-section {
    background: var(--white);
    border-bottom: 1px solid var(--line);
    padding-block: 34px 48px;
  }

  .checklist-section .checklist {
    margin-top: 0;
  }

  .breadcrumb {
    align-items: center;
    color: var(--muted);
    display: flex;
    flex-wrap: wrap;
    font-size: 0.83rem;
    gap: 8px;
    margin-bottom: 28px;
  }

  .breadcrumb a {
    color: var(--turquoise-dark);
    font-weight: 700;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
  }

  .check-hero h1 {
    max-width: 12ch;
  }

  .lede {
    color: var(--muted);
    font-size: 1.14rem;
    line-height: 1.65;
    max-width: 58ch;
  }

  .checklist,
  .warning-list,
  .source-list {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .checklist {
    display: grid;
    gap: 12px;
    margin-top: 30px;
    max-width: 900px;
  }

  .checklist li {
    align-items: start;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    display: grid;
    gap: 13px;
    grid-template-columns: auto minmax(0, 1fr);
    padding: 17px 18px;
  }

  .checklist svg {
    color: var(--turquoise-dark);
    margin-top: 2px;
  }

  .checklist span {
    color: var(--ink-deep);
    font-weight: 720;
    line-height: 1.45;
  }

  .examples-section {
    background: var(--white);
  }

  .examples-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .example-card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 22px;
  }

  .example-card h3 {
    font-size: 1.16rem;
  }

  .example-card p {
    color: var(--muted);
    font-size: 0.92rem;
    margin-bottom: 12px;
  }

  .example-card p:last-child {
    margin-bottom: 0;
  }

  .guide-section {
    background: var(--paper);
    border-block: 1px solid #e2edeb;
  }

  .guide-grid {
    align-items: start;
    display: grid;
    gap: 48px;
    grid-template-columns: minmax(0, 1fr) 280px;
  }

  .guide-flow {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: clamp(24px, 4vw, 44px);
  }

  .guide-flow h2 {
    font-size: clamp(1.55rem, 3vw, 2.15rem);
    margin-top: 38px;
  }

  .guide-flow h2:first-child {
    margin-top: 0;
  }

  .guide-flow p,
  .guide-flow li {
    color: var(--muted);
  }

  .guide-flow a {
    color: var(--turquoise-dark);
    font-weight: 750;
    text-underline-offset: 4px;
  }

  .guide-flow code {
    background: var(--turquoise-pale);
    border-radius: 5px;
    color: var(--ink-deep);
    font-size: 0.92em;
    overflow-wrap: anywhere;
    padding: 0.12em 0.35em;
  }

  .warning-list {
    display: grid;
    gap: 10px;
    margin-top: 18px;
  }

  .warning-list li {
    align-items: start;
    background: var(--coral-pale);
    border: 1px solid #f2c2bb;
    border-radius: 8px;
    display: grid;
    gap: 11px;
    grid-template-columns: auto minmax(0, 1fr);
    padding: 13px 14px;
  }

  .warning-list svg {
    color: #b94337;
    margin-top: 3px;
  }

  .portal-links {
    display: grid;
    gap: 12px;
    position: sticky;
    top: 118px;
  }

  .portal-links a {
    align-items: center;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink-deep);
    display: grid;
    gap: 12px;
    grid-template-columns: auto minmax(0, 1fr);
    min-height: 58px;
    padding: 14px;
    text-decoration: none;
  }

  .portal-links a:hover {
    border-color: var(--line-strong);
    color: var(--turquoise-dark);
  }

  .portal-links svg {
    color: var(--turquoise-dark);
  }

  .portal-links span {
    font-weight: 750;
  }

  .more-section {
    background: var(--ink-deep);
    color: var(--white);
  }

  .more-section h2,
  .more-section .section-kicker {
    color: var(--white);
  }

  .more-grid {
    align-items: start;
    display: grid;
    gap: 44px;
    grid-template-columns: minmax(0, 0.6fr) minmax(0, 1fr);
  }

  .source-list {
    display: grid;
    gap: 10px;
  }

  .source-list a {
    align-items: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 8px;
    color: var(--white);
    display: grid;
    gap: 12px;
    grid-template-columns: minmax(0, 1fr) auto;
    min-height: 52px;
    padding: 12px 14px;
    text-decoration: none;
  }

  .source-list a:hover {
    background: rgba(255, 255, 255, 0.13);
  }

  @media (max-width: 920px) {
    .examples-grid,
    .guide-grid,
    .more-grid {
      grid-template-columns: 1fr;
    }

    .portal-links {
      grid-template-columns: repeat(3, minmax(0, 1fr));
      position: static;
    }
  }

  @media (max-width: 640px) {
    .check-hero {
      padding-block: 34px 48px;
    }

    .check-hero h1 {
      max-width: none;
    }

    .guide-flow {
      border-inline: 0;
      border-radius: 0;
      margin-inline: -16px;
    }

    .portal-links {
      grid-template-columns: 1fr;
    }
  }