:root {
  color-scheme: light;
  --bg: #faf8f5; --surface: #fff; --text: #4a3a36; --soft: #73625c;
  --accent: #994f46; --tint: #fdf0ed; --border: #e9ddd6; --blue: #3d6877;
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: 'DM Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif; font-size: 16px; line-height: 1.7; }
button, input, textarea, select { font: inherit; }
button, a, summary, input[type=checkbox] { -webkit-tap-highlight-color: transparent; }
button, summary, select, input[type=checkbox] { cursor: pointer; }
a { color: var(--blue); text-underline-offset: 4px; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
.repair-page { max-width: 768px; padding: 30px 24px 44px; margin: auto; }
.back-link { display: inline-block; font-size: .88rem; padding: 8px 0; text-decoration: none; color: var(--soft); }
.back-link:hover { color: var(--accent); }
.repair-hero { text-align: center; padding: 42px 0 30px; }
.eyebrow, .section-kicker { font-size: .73rem; color: var(--accent); letter-spacing: .1em; }
h1 { font-family: 'DM Serif Display', 'Songti SC', 'SimSun', serif; font-size: clamp(2rem, 6vw, 2.8rem); font-weight: 500; margin: 10px 0; letter-spacing: .08em; }
.lead { font-size: 1.04rem; margin: 12px 0; }
.hero-note { font-size: .86rem; color: var(--soft); max-width: 510px; margin: 12px auto 0; }
.privacy-card { display: flex; gap: 14px; padding: 18px 20px; background: #f0f4f2; border: 1px solid #dce6e0; border-radius: 18px; color: #466254; }
.privacy-card svg { flex-shrink: 0; margin-top: 3px; }
.privacy-card strong { font-size: .88rem; }
.privacy-card p { font-size: .8rem; margin: 4px 0 0; }
.step-nav { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 28px 0 18px; }
.step { display: flex; flex-direction: column; gap: 2px; align-items: center; min-height: 66px; border: 1px solid var(--border); border-radius: 14px; background: transparent; color: var(--soft); padding: 10px 4px; font-size: .88rem; transition: background .2s, border-color .2s; }
.step span { font-family: 'JetBrains Mono', monospace; font-size: .7rem; }
.step:hover { background: #fff; }
.step.active { background: var(--tint); border-color: #d5a59a; color: var(--accent); font-weight: 600; }
.panel { padding: 30px; background: var(--surface); border: 1px solid var(--border); border-radius: 24px; box-shadow: 0 8px 30px rgba(74,58,54,.035); }
h2 { font-size: 1.3rem; line-height: 1.5; font-weight: 600; margin: 8px 0 12px; }
h3 { font-size: 1rem; margin: 0; font-weight: 600; }
.section-intro { color: var(--soft); font-size: .9rem; margin: 0 0 24px; }
.grounding-card { border-radius: 16px; background: var(--tint); padding: 20px; margin-bottom: 24px; }
.grounding-heading { display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.grounding-card p { font-size: .88rem; }
.clock { font-family: 'JetBrains Mono', monospace; color: var(--accent); font-size: 1.2rem; white-space: nowrap; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 44px; padding: 10px 18px; border-radius: 12px; border: 1px solid transparent; font-size: .86rem; line-height: 1.5; text-decoration: none; transition: background .2s, border-color .2s; }
.button.primary { background: var(--accent); color: #fff; }
.button.primary:hover { background: #804138; }
.button.secondary { background: #fff; color: var(--text); border-color: #d8c7bf; }
.button.secondary:hover { background: #faf4ef; border-color: #bba59a; }
.button.quiet { background: transparent; color: var(--soft); text-decoration: underline; text-underline-offset: 4px; }
.small-note, .hint { color: var(--soft); font-size: .78rem; line-height: 1.65; margin: 8px 0; }
.grounding-card .small-note { font-size: .78rem; margin-bottom: 0; }
.check-list { border: 0; padding: 0; margin: 20px 0; min-width: 0; }
.check-list legend { font-weight: 600; margin-bottom: 10px; font-size: .9rem; }
.check-list label { display: flex; gap: 10px; align-items: flex-start; padding: 9px 0; font-size: .87rem; color: var(--soft); cursor: pointer; }
input[type=checkbox] { width: 18px; height: 18px; flex-shrink: 0; margin: 5px 0 0; accent-color: var(--accent); }
.support-card { border-top: 1px solid var(--border); padding-top: 16px; font-size: .84rem; }
.support-card summary { color: var(--blue); min-height: 44px; padding: 8px 0; }
.support-card p { color: var(--soft); }
.field { margin: 22px 0; }
.field > label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 8px; }
textarea, input[type=text], select { width: 100%; min-width: 0; border: 1px solid #96847a; border-radius: 12px; background: #fffefa; color: var(--text); padding: 12px; font-size: 16px; line-height: 1.7; }
textarea { display: block; resize: vertical; min-height: 84px; }
textarea::placeholder, input::placeholder { color: #82746e; opacity: 1; }
select { min-height: 48px; }
.advice { background: #f1f5f6; border: 1px solid #dce6e9; border-radius: 14px; padding: 16px; color: #395d69; font-size: .86rem; overflow-wrap: anywhere; }
.advice p { margin: 6px 0 0; }
.draft-wrap { margin-top: 24px; padding-top: 4px; border-top: 1px solid var(--border); }
.inline-status { color: var(--blue); font-size: .8rem; min-height: 1.7em; margin: 10px 0; }
.page-controls { display: flex; align-items: center; gap: 12px; margin: 20px 0 28px; }
.step-position { color: var(--soft); font-family: monospace; font-size: .8rem; margin-right: auto; }
.save-card { border: 1px solid var(--border); border-radius: 18px; padding: 22px; background: #fffdfa; }
.save-card h2 { font-size: 1rem; margin-top: 0; }
.save-toggle { display: flex; align-items: flex-start; gap: 10px; font-size: .88rem; cursor: pointer; }
.save-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
footer { color: var(--soft); text-align: center; font-size: .8rem; padding: 32px 8px 0; }
.noscript { padding: 16px; border: 1px solid var(--border); }
@media (max-width: 480px) {
  .repair-page { padding: 18px 16px 32px; }
  .repair-hero { padding: 28px 0; }
  .panel { padding: 22px 18px; border-radius: 18px; }
  .privacy-card { padding: 16px; gap: 10px; }
  .step-nav { gap: 6px; }
  .step { font-size: .8rem; }
  .grounding-card { padding: 16px; }
  .page-controls { gap: 8px; }
  .button { padding: 10px 12px; }
  h2 { font-size: 1.18rem; }
  .save-card { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}