.page-privacy {
  --privacy-serif: "Songti SC", "SimSun", "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
  --privacy-rail: 56px;
  background: var(--color-surface);
  color: var(--color-ink);
}

/* ---------- 页首 ---------- */
.page-privacy .policy-hero {
  position: relative;
}

.page-privacy .policy-hero-media {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 440px;
  overflow: hidden;
  background: var(--color-surface-deep);
}

.page-privacy .policy-hero-media > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  display: block;
}

.page-privacy .policy-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-ink) 28%, transparent) 0%,
    color-mix(in srgb, var(--color-ink) 68%, transparent) 58%,
    color-mix(in srgb, var(--color-ink) 90%, transparent) 100%
  );
}

.page-privacy .policy-hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: var(--space-6) var(--space-3) var(--space-4);
}

.page-privacy .policy-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin: 0 0 var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: color-mix(in srgb, var(--color-surface) 76%, transparent);
}

.page-privacy .policy-breadcrumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-surface) 38%, transparent);
}

.page-privacy .policy-breadcrumb a:hover {
  border-bottom-color: var(--color-surface);
}

.page-privacy .policy-kicker {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.24em;
  color: var(--color-primary-soft);
}

.page-privacy .policy-title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  letter-spacing: 0.18em;
  line-height: var(--leading-heading);
  color: var(--color-surface);
}

.page-privacy .policy-lede {
  max-width: var(--measure);
  margin: 0 0 var(--space-3);
  font-family: var(--privacy-serif);
  font-size: var(--text-base);
  line-height: 1.8;
  color: color-mix(in srgb, var(--color-surface) 88%, transparent);
}

.page-privacy .policy-meta {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: color-mix(in srgb, var(--color-surface) 66%, transparent);
}

.page-privacy .policy-hero-note {
  position: absolute;
  top: var(--space-6);
  right: var(--space-3);
  z-index: 2;
  display: none;
  margin: 0;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.3em;
  color: color-mix(in srgb, var(--color-surface) 58%, transparent);
}

/* ---------- 正文骨架 ---------- */
.page-privacy .policy-body {
  padding: var(--section-y) 0;
}

.page-privacy .policy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-privacy .policy-main {
  min-width: 0;
}

.page-privacy .policy-chapter {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-privacy .chapter-no {
  margin: 0;
  padding: 3px var(--space-1) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.6;
  letter-spacing: 0.1em;
  text-align: right;
  color: var(--color-ink-muted);
}

.page-privacy .policy-chapter[data-open] .chapter-no {
  color: var(--color-primary);
}

.page-privacy .chapter-body {
  min-width: 0;
  padding: 0 0 var(--space-4) var(--space-2);
  border-left: var(--border-thin) solid var(--color-line);
}

.page-privacy .policy-chapter:last-child .chapter-body {
  padding-bottom: 0;
}

.page-privacy .chapter-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-1) var(--space-2);
}

.page-privacy .chapter-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.45;
  letter-spacing: 0.05em;
  color: var(--color-ink);
}

.page-privacy .chapter-trigger {
  appearance: none;
  display: inline-block;
  margin: 0;
  padding: 0;
  background: none;
  border: 0;
  font: inherit;
  color: inherit;
  letter-spacing: inherit;
  text-align: left;
  cursor: pointer;
  transition: color 0.18s linear;
}

.page-privacy .chapter-trigger:hover {
  color: var(--color-primary);
}

.page-privacy .chapter-trigger:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.page-privacy .chapter-state {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-privacy [data-panel][data-open] .chapter-state {
  color: var(--color-primary);
}

.page-privacy [data-panel]:not([data-open]) [data-panel-body] {
  display: none;
}

/* ---------- 条款正文 ---------- */
.page-privacy .chapter-content {
  max-width: var(--measure);
  margin-top: var(--space-2);
  font-family: var(--privacy-serif);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-privacy .chapter-content > * + * {
  margin-top: var(--space-2);
}

.page-privacy .chapter-content p {
  margin: 0;
}

.page-privacy .chapter-content a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 45%, transparent);
}

.page-privacy .chapter-content a:hover {
  border-bottom-color: var(--color-primary);
}

.page-privacy .chapter-content .act {
  color: var(--color-ink);
  border-bottom: var(--border-thin) solid var(--color-primary);
  padding-bottom: 1px;
}

.page-privacy .chapter-content .data {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink);
  letter-spacing: 0.02em;
}

/* ---------- 字段对列 ---------- */
.page-privacy .field-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: var(--space-3) 0 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-privacy .field-list dt,
.page-privacy .field-list dd {
  margin: 0;
  padding: 11px 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-privacy .field-list dt {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink);
}

.page-privacy .field-list dd {
  font-family: var(--privacy-serif);
  font-size: var(--text-sm);
  line-height: 1.78;
  color: var(--color-ink-soft);
}

.page-privacy .field-flag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
}

.page-privacy .field-flag--req {
  color: var(--color-ink-muted);
}

.page-privacy .field-flag--opt {
  color: var(--color-accent);
}

/* ---------- 编号步骤与条件条目 ---------- */
.page-privacy .step-list {
  list-style: none;
  counter-reset: policy-step;
  margin: var(--space-3) 0 0;
  padding: 0;
}

.page-privacy .step-list li {
  counter-increment: policy-step;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: var(--space-1);
  padding: 11px 0;
  border-top: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  line-height: 1.78;
}

.page-privacy .step-list li::before {
  content: counter(policy-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-primary);
  padding-top: 4px;
}

.page-privacy .rule-list {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
}

.page-privacy .rule-list li {
  position: relative;
  padding: 10px 0 10px var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  line-height: 1.78;
}

.page-privacy .rule-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 8px;
  height: var(--border-thin);
  background: var(--color-primary);
}

/* ---------- 侧栏索引 ---------- */
.page-privacy .policy-aside {
  min-width: 0;
}

.page-privacy .policy-toc {
  padding-top: var(--space-2);
  border-top: var(--border-thick) solid var(--color-primary);
}

.page-privacy .policy-toc-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.24em;
  color: var(--color-ink);
}

.page-privacy .toc-group-title {
  margin: var(--space-3) 0 var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
}

.page-privacy .policy-toc a {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: var(--space-1);
  padding: 7px 0 7px 8px;
  border-left: var(--border-thick) solid transparent;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
  text-decoration: none;
  transition: color 0.18s linear, border-color 0.18s linear;
}

.page-privacy .policy-toc a .toc-no {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-privacy .policy-toc a:hover {
  color: var(--color-ink);
  border-left-color: color-mix(in srgb, var(--color-primary) 45%, transparent);
}

.page-privacy .policy-toc a[data-current] {
  color: var(--color-primary);
  font-weight: var(--weight-heading);
  border-left-color: var(--color-primary);
}

.page-privacy .policy-toc a[data-current] .toc-no {
  color: var(--color-primary);
}

.page-privacy .policy-toc a:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

.page-privacy .policy-aside-note {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-3) var(--space-3) var(--space-2);
  border-left: var(--border-thick) solid var(--color-primary);
  background: color-mix(in srgb, var(--color-highlight) 42%, var(--color-surface-alt));
  font-family: var(--privacy-serif);
  font-size: var(--text-sm);
  line-height: 1.78;
  color: var(--color-ink-soft);
}

.page-privacy .policy-aside-note p {
  margin: 0;
}

.page-privacy .policy-aside-note p + p {
  margin-top: var(--space-2);
}

/* ---------- 响应式 ---------- */
@media (min-width: 480px) {
  .page-privacy .policy-hero-note {
    display: block;
  }
}

@media (min-width: 640px) {
  .page-privacy .field-list {
    grid-template-columns: minmax(0, 150px) minmax(0, 1fr);
  }

  .page-privacy .field-list dt,
  .page-privacy .field-list dd {
    padding: 12px var(--space-2) 12px 0;
  }

  .page-privacy .field-list dd {
    padding-right: 0;
  }
}

@media (min-width: 900px) {
  .page-privacy .policy-hero-media {
    min-height: 540px;
  }

  .page-privacy .policy-hero-inner {
    padding: var(--space-8) var(--space-3) var(--space-6);
  }

  .page-privacy .policy-title {
    font-size: var(--text-4xl);
  }

  .page-privacy .policy-lede {
    font-size: var(--text-xl);
  }

  .page-privacy .policy-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: var(--space-8);
  }

  .page-privacy .policy-aside {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-privacy .policy-chapter {
    grid-template-columns: var(--privacy-rail) minmax(0, 1fr);
    padding-top: var(--space-4);
  }

  .page-privacy .chapter-body {
    padding: 0 0 var(--space-6) var(--space-3);
  }

  .page-privacy .chapter-title {
    font-size: var(--text-xl);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .chapter-trigger,
  .page-privacy .policy-toc a {
    transition: none;
  }
}

/* ---------- 纯条款视图 ---------- */
@media print {
  .page-privacy .policy-hero-media {
    min-height: auto;
    background: none;
  }

  .page-privacy .policy-hero-media > img,
  .page-privacy .policy-hero-media::after,
  .page-privacy .policy-aside,
  .page-privacy .policy-hero-note,
  .page-privacy .chapter-state {
    display: none;
  }

  .page-privacy .policy-hero-inner {
    padding: 0 0 var(--space-3);
  }

  .page-privacy .policy-kicker,
  .page-privacy .policy-title,
  .page-privacy .policy-lede,
  .page-privacy .policy-meta {
    color: var(--color-ink);
  }

  .page-privacy .policy-body {
    padding: 0;
  }

  .page-privacy [data-panel]:not([data-open]) [data-panel-body] {
    display: block;
  }

  .page-privacy .policy-chapter {
    break-inside: avoid;
  }
}