@layer components-page {
  .page-phone-guide main.phone-guide-shell { width: min(960px, calc(100% - 40px)); padding: 28px 0 44px; }
  .phone-guide-hero { max-width: 64ch; margin: 0 auto 24px; text-align: center; }
  .phone-guide-back { display: inline-block; min-height: 44px; padding: 10px 0; margin-bottom: 6px; color: var(--ui-muted); font-size: 13px; text-decoration: none; }
  .phone-guide-back:hover { color: var(--ui-accent); }
  .phone-guide-hero > svg { display: block; width: 42px; height: 42px; margin: 0 auto 14px; color: var(--ui-accent); }
  .phone-guide-hero h1 { margin: 0 0 12px; color: var(--ui-heading); font-size: clamp(27px, 4vw, 34px); font-weight: 600; line-height: 1.25; letter-spacing: -.02em; }
  .phone-guide-hero > p { margin: 0; color: var(--ui-muted); font-size: 16px; line-height: 1.7; }
  .phone-guide-jumps { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
  .phone-guide-jumps a { min-height: 44px; padding: 10px 18px; border: 1px solid var(--ui-button-border); border-radius: 10px; background: var(--ui-button-bg); color: var(--ui-text); font-size: 14px; text-decoration: none; }
  .phone-guide-jumps a:hover { background: var(--ui-button-hover); }
  .phone-guide-intro { margin-bottom: 20px; padding: 18px 22px; border: 1px solid var(--ui-border); border-radius: var(--ui-radius-inner); background: var(--ui-raised); text-align: center; }
  .phone-guide-intro > strong { color: var(--ui-heading); font-size: 15px; font-weight: 550; }
  .phone-guide-intro p { max-width: 76ch; margin: 6px auto 0; color: var(--ui-muted); font-size: 14px; line-height: 1.7; }
  .phone-guide-devices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; gap: 20px; }
  .phone-guide-device { min-width: 0; padding: 26px; border: 1px solid var(--ui-border); border-radius: var(--ui-radius); background: var(--ui-surface); }
  .phone-guide-device-head { text-align: center; }
  .phone-guide-browser { display: inline-block; padding: 3px 12px; border: 1px solid var(--ui-border); border-radius: 999px; background: var(--ui-raised); color: var(--ui-accent); font-size: 12px; }
  .phone-guide-device h2 { margin: 10px 0 5px; color: var(--ui-heading); font-size: 24px; font-weight: 600; line-height: 1.3; }
  .phone-guide-device-head p { margin: 0; color: var(--ui-muted); font-size: 14px; }
  .phone-guide-steps { margin: 24px 0 20px; padding-left: 26px; }
  .phone-guide-steps li { padding-left: 5px; font-size: 15px; line-height: 1.65; }
  .phone-guide-steps li + li { margin-top: 16px; }
  .phone-guide-steps li::marker { color: var(--ui-accent); font-weight: 600; }
  .phone-guide-steps strong { display: block; color: var(--ui-text); font-weight: 550; }
  .phone-guide-steps span { display: block; margin-top: 3px; color: var(--ui-muted); }
  .phone-guide-note { margin: 0; padding: 14px; border-left: 2px solid var(--ui-button-border); border-radius: 0 8px 8px 0; background: var(--ui-raised); color: var(--ui-muted); font-size: 13px; line-height: 1.7; }
  .phone-guide-bookmark { margin-top: 20px; border-top: 1px solid var(--ui-border); color: var(--ui-muted); font-size: 14px; line-height: 1.7; }
  .phone-guide-bookmark summary { min-height: 44px; padding: 14px 0 4px; color: var(--ui-heading); font-weight: 500; cursor: pointer; }
  .phone-guide-bookmark ol { padding-left: 22px; }
  .phone-guide-bookmark li + li { margin-top: 10px; }
  .phone-guide-bookmark p { margin: 12px 0 0; font-size: 13px; }
  .phone-guide-help { margin-top: 24px; padding: 26px; border: 1px solid var(--ui-border); border-radius: var(--ui-radius); background: var(--ui-surface); }
  .phone-guide-help h2 { margin: 0 0 20px; color: var(--ui-heading); font-size: 21px; font-weight: 600; text-align: center; }
  .phone-guide-help-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
  .phone-guide-help-grid h3 { margin: 0 0 8px; color: var(--ui-text); font-size: 15px; font-weight: 550; }
  .phone-guide-help-grid p { margin: 0; color: var(--ui-muted); font-size: 14px; line-height: 1.7; }
  .phone-guide-sources { margin: 22px 0 0; padding-top: 16px; border-top: 1px solid var(--ui-border); color: var(--ui-muted); font-size: 12px; line-height: 1.8; text-align: center; }
  .phone-guide-shell a:not(.phone-guide-back):not(.phone-guide-jumps a) { color: var(--ui-accent); text-underline-offset: 3px; }
  .phone-guide-shell :is(a, summary):focus-visible { outline: 3px solid var(--ui-accent); outline-offset: 3px; }
  .phone-guide-shell :is(section[id], h1[id]) { scroll-margin-top: calc(var(--nav-height) + 20px); }
  @media (max-width: 700px) {
    .page-phone-guide main.phone-guide-shell { width: calc(100% - var(--phone-page-gutter, 32px)); padding-top: 20px; }
    .phone-guide-devices, .phone-guide-help-grid { grid-template-columns: minmax(0, 1fr); }
    .phone-guide-device, .phone-guide-help { padding: 22px 18px; }
    .phone-guide-intro { padding: 16px; }
    .phone-guide-hero > p { font-size: 15px; }
  }
}