:root {
  --site-paper: #fafaf7;
  --site-ink: #283029;
  --site-muted: #687067;
  --site-line: #dce1da;
  --site-sage: #557052;
  --site-warn: #8a5d45;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
}

button,
input,
textarea,
select {
  font: inherit;
}

:where(a, button, input, textarea, select, [tabindex]):focus-visible {
  outline: 3px solid rgba(85, 112, 82, .32);
  outline-offset: 3px;
}

.site-skip-link {
  position: fixed;
  z-index: 10000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  transform: translateY(-150%);
  border: 1px solid var(--site-sage);
  background: var(--site-paper);
  color: var(--site-ink);
  text-decoration: none;
}

.site-skip-link:focus {
  transform: translateY(0);
}

.site-status {
  position: fixed;
  z-index: 9999;
  right: 18px;
  bottom: calc(18px + env(safe-area-inset-bottom));
  width: min(390px, calc(100vw - 36px));
  padding: 13px 16px;
  border: 1px solid #d9c9ba;
  background: #fffaf4;
  color: #674b3b;
  font-size: 13px;
  line-height: 1.65;
  box-shadow: 0 12px 36px rgba(40, 48, 41, .1);
}

.site-status[hidden] {
  display: none;
}

.site-footer {
  padding: 28px max(24px, 5.5vw) calc(28px + env(safe-area-inset-bottom));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--site-line);
  background: var(--site-paper);
  color: var(--site-muted);
  font-size: 12px;
  line-height: 1.7;
}

.site-footer[hidden] {
  display: none !important;
}

.portal-feature-practice .portal-feature-ornament {
  display: none;
}

.site-footer p {
  margin: 0;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 22px;
}

.site-footer a {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  color: var(--site-muted);
  text-underline-offset: 5px;
}

.portal-legal-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 20px;
}

.portal-legal-links a {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  color: inherit;
  font-size: 12px;
  text-underline-offset: 5px;
}

.site-noscript {
  margin: 0;
  padding: 18px 24px;
  background: #fffaf4;
  color: var(--site-warn);
  text-align: center;
}

/* 全站细节收束：保留瓷白纸面与连续细线，不新增装饰容器。 */
.portal-primary,
.letter-primary,
.auth-submit,
.practice-primary,
.qiyao-primary {
  transition: background-color .18s ease, border-color .18s ease, transform .18s ease;
}

.portal-primary:hover,
.letter-primary:hover:not(:disabled),
.auth-submit:hover:not(:disabled),
.practice-primary:hover:not(:disabled),
.qiyao-primary:hover {
  transform: translateY(-1px);
}

.letter-privacy,
.letter-history {
  grid-template-columns: minmax(250px, .72fr) minmax(0, 1.28fr);
}

.letter-privacy p,
.letter-history-list > p {
  max-width: 68ch;
}

.practice-hero > div > p {
  max-width: 50ch;
}

.auth-form-wrap {
  max-width: 430px;
}

.auth-provider-note,
.auth-local-note,
.qiyao-safety,
.shop-hero > p,
.home-incense-note p {
  max-width: 70ch;
}

@media (max-width: 760px) {
  html {
    scroll-behavior: auto;
  }

  input,
  textarea,
  select {
    font-size: 16px !important;
  }

  .site-status {
    right: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom));
    width: calc(100vw - 24px);
  }

  .site-footer {
    padding: 24px 18px calc(24px + env(safe-area-inset-bottom));
    display: block;
  }

  .site-footer nav {
    margin-top: 12px;
    justify-content: flex-start;
    gap: 4px 20px;
  }

  .site-footer a {
    min-height: 44px;
  }

  .portal-legal-links {
    width: 100%;
    margin-top: 12px;
    justify-content: flex-start;
    gap: 4px 20px;
  }

  .portal-legal-links a {
    min-height: 44px;
  }

  .portal-page[data-wellbeing-home="true"] .portal-header {
    min-height: 148px;
  }

  .portal-page[data-wellbeing-home="true"] .portal-header nav {
    flex: 0 0 100%;
    height: 88px;
  }

  .portal-page[data-wellbeing-home="true"] .portal-header nav button {
    min-height: 44px;
  }

  .portal-page[data-wellbeing-home="true"] .portal-hero {
    gap: 28px;
    padding-top: 44px;
  }

  .portal-page[data-wellbeing-home="true"] .portal-actions {
    margin-top: 30px;
  }

  .portal-page[data-wellbeing-home="true"] .portal-primary,
  .portal-page[data-wellbeing-home="true"] .portal-secondary {
    min-height: 48px;
  }

  .portal-page[data-wellbeing-home="true"] .portal-function-list button {
    min-height: 72px;
  }

  .portal-page[data-wellbeing-home="true"] .portal-feature-heading strong {
    font-size: 34px;
  }

  .letter-intro {
    padding-top: 44px;
  }

  .letter-intro h1 {
    margin-bottom: 22px;
    font-size: clamp(36px, 10.5vw, 42px);
  }

  .letter-intro p {
    font-size: 14px;
    line-height: 1.82;
  }

  .letter-privacy {
    padding: 24px 0 32px;
  }

  .letter-history {
    padding-top: 26px;
  }

  .auth-form-section {
    padding-bottom: 48px;
  }

  .practice-hero h1 {
    max-width: 8em;
  }

  .practice-session time {
    margin-top: 32px;
  }

  .shop-hero h1 {
    max-width: 9em;
    font-size: clamp(38px, 11vw, 43px);
  }

  .home-formula > header > span,
  .shop-product > span {
    letter-spacing: .08em;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto !important;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

@media (forced-colors: active) {
  :where(a, button, input, textarea, select, [tabindex]):focus-visible {
    outline: 2px solid CanvasText;
  }
}