.page-privacy {
  --doc-measure: 68ch;
  --doc-rail: 212px;
  --doc-gap: clamp(28px, 5vw, 64px);
  position: relative;
  background: var(--ink);
  color: var(--text);
  padding-bottom: clamp(48px, 8vw, 96px);
  scroll-behavior: smooth;
}

.page-privacy .breadcrumb {
  padding-top: clamp(20px, 3vw, 34px);
}

.page-privacy .doc-head {
  padding: clamp(16px, 3vw, 28px) 0 clamp(22px, 3vw, 34px);
}

.page-privacy .doc-head h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4.6vw, 50px);
  line-height: 1.24;
  letter-spacing: 0.01em;
  margin: 14px 0 18px;
  max-width: 20ch;
}

.page-privacy .doc-lede {
  max-width: var(--doc-measure);
  font-size: 17px;
  line-height: 1.9;
  color: var(--muted);
  margin: 0;
}

.page-privacy .doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-privacy .doc-figure {
  margin: 0 0 clamp(30px, 5vw, 56px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-privacy .doc-figure img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

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

/* 章节导航：移动端为横向可滑动标签条 */
.page-privacy .doc-rail {
  border-top: 1px solid var(--line);
  padding-top: 14px;
  min-width: 0;
}

.page-privacy .doc-rail-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin: 0 0 10px;
}

.page-privacy .doc-nav {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .doc-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  font-size: 13px;
  line-height: 1;
  color: var(--muted);
  text-decoration: none;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 12px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .doc-nav-link .num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.08em;
}

.page-privacy .doc-nav-link:hover,
.page-privacy .doc-nav-link:focus-visible {
  color: var(--text);
  border-color: var(--cyan);
}

/* 正文 */
.page-privacy .doc-body {
  min-width: 0;
}

.page-privacy .doc-section {
  border-top: 1px solid var(--line);
  padding: clamp(26px, 4vw, 46px) 0;
  scroll-margin-top: 88px;
}

.page-privacy .doc-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .doc-section:last-child {
  padding-bottom: 0;
}

.page-privacy .doc-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin: 0 0 12px;
}

.page-privacy .doc-label .num {
  color: var(--cyan);
  font-size: 13px;
}

.page-privacy .doc-label::after {
  content: "";
  flex: 1 1 auto;
  max-width: 160px;
  height: 1px;
  background: var(--line);
}

.page-privacy .doc-section h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 2.6vw, 30px);
  line-height: 1.35;
  letter-spacing: 0.01em;
  margin: 0 0 16px;
}

.page-privacy .doc-p {
  max-width: var(--doc-measure);
  font-size: 17px;
  line-height: 1.9;
  margin: 0 0 16px;
}

.page-privacy .doc-p:last-child {
  margin-bottom: 0;
}

.page-privacy .term {
  background: rgba(34, 211, 238, 0.12);
  border-bottom: 1px solid rgba(34, 211, 238, 0.35);
  padding: 0 3px;
}

.page-privacy .doc-inline {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.4);
  padding-bottom: 1px;
}

.page-privacy .doc-inline:hover,
.page-privacy .doc-inline:focus-visible {
  border-bottom-color: var(--cyan);
}

/* 三类信息卡片 */
.page-privacy .doc-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 24px;
}

.page-privacy .doc-card {
  position: relative;
  padding: 22px 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-privacy .doc-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 2px;
  background: var(--cyan);
}

.page-privacy .doc-card h3 {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin: 0 0 10px;
}

.page-privacy .doc-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* 用途编号列表 */
.page-privacy .doc-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-privacy .doc-list > li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-privacy .doc-list-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
  padding-top: 3px;
}

.page-privacy .doc-list h3 {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 6px;
}

.page-privacy .doc-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
  max-width: var(--doc-measure);
}

/* 说明条 */
.page-privacy .doc-note {
  max-width: var(--doc-measure);
  margin-top: 24px;
  padding: 18px 20px;
  background: var(--panel);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius);
}

.page-privacy .doc-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-privacy .doc-note--ghost {
  background: transparent;
  border-left-color: var(--orange);
}

.page-privacy .doc-note--ghost p {
  color: var(--muted);
}

/* 联系方式牌 */
.page-privacy .doc-contact {
  max-width: var(--doc-measure);
  margin-top: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}

.page-privacy .doc-contact-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 16px 20px;
  border-top: 1px solid var(--line);
}

.page-privacy .doc-contact-row:first-child {
  border-top: 0;
}

.page-privacy .doc-contact-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-privacy .doc-contact-val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  word-break: break-word;
}

/* 底部行动区 */
.page-privacy .doc-foot {
  margin-top: clamp(40px, 7vw, 80px);
  padding: clamp(26px, 4vw, 40px) 0 0;
  border-top: 2px solid var(--line);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-privacy .doc-foot-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 27px);
  line-height: 1.35;
  margin: 0 0 10px;
}

.page-privacy .doc-foot-text p {
  margin: 0;
  max-width: var(--doc-measure);
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
}

.page-privacy .doc-foot-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 720px) {
  .page-privacy .doc-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .doc-contact-row {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-privacy .doc-foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

@media (min-width: 960px) {
  .page-privacy .doc-layout {
    grid-template-columns: minmax(0, 1fr) var(--doc-rail);
  }

  .page-privacy .doc-rail {
    position: sticky;
    top: 28px;
    align-self: start;
    border-top: 0;
    border-left: 1px solid var(--line);
    padding: 4px 0 4px 22px;
  }

  .page-privacy .doc-nav {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .doc-nav-link {
    background: transparent;
    border: 0;
    padding: 9px 0;
    white-space: normal;
    justify-content: flex-start;
  }

  .page-privacy .doc-nav-link::before {
    content: "";
    flex: 0 0 14px;
    width: 14px;
    height: 1px;
    background: var(--line);
    transition: background 0.25s var(--ease);
  }

  .page-privacy .doc-nav-link:hover::before,
  .page-privacy .doc-nav-link:focus-visible::before {
    background: var(--cyan);
  }

  .page-privacy .doc-head h1 {
    max-width: 24ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy {
    scroll-behavior: auto;
  }

  .page-privacy .doc-nav-link,
  .page-privacy .doc-nav-link::before {
    transition: none;
  }
}