/* ============ 数据与隐私 · 页面专属样式（作用域 .page-privacy） ============ */
.page-privacy {
  --pv-line: rgba(58, 242, 210, 0.18);
  --pv-line-soft: rgba(30, 156, 136, 0.26);
  --pv-ink-soft: #3F5C53;
  --pv-ink-faint: #4E6E64;
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(40px, 7vw, 88px);
}

/* —— 顶部定位线 —— */
.page-privacy .privacy-topline {
  padding-top: clamp(18px, 3vw, 32px);
  padding-bottom: clamp(8px, 1.6vw, 14px);
}

/* —— 首屏叙事区 —— */
.page-privacy .privacy-hero {
  padding: clamp(14px, 2.6vw, 26px) 0 clamp(22px, 3.6vw, 36px);
}

.page-privacy .privacy-hero__title {
  margin: 12px 0 0;
  max-width: 20em;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(27px, 5.2vw, 52px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .privacy-hero__lead {
  margin: clamp(14px, 2.2vw, 22px) 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.68;
  color: var(--muted);
}

/* —— 三类信息范围带 —— */
.page-privacy .privacy-scope {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--pv-line);
  margin-top: clamp(6px, 1.4vw, 12px);
}

.page-privacy .privacy-scope__item {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding: 14px clamp(14px, 2.2vw, 20px);
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .privacy-scope__item:last-child {
  border-bottom: 0;
}

.page-privacy .privacy-scope__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-privacy .privacy-scope__name {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
  white-space: nowrap;
}

.page-privacy .privacy-scope__desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* —— 抽象视觉带 —— */
.page-privacy .privacy-figure {
  margin: clamp(26px, 4.5vw, 48px) 0 0;
  padding: 0;
  background: var(--ink-deep);
  border-top: 1px solid var(--pv-line);
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .privacy-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  object-position: center;
}

.page-privacy .privacy-figure__cap {
  padding: 10px var(--pad-x);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  border-top: 1px solid var(--pv-line);
}

/* —— 非对称骨架：窄轨目录 + 正文 —— */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  padding-top: clamp(30px, 5vw, 54px);
  align-items: start;
}

.page-privacy .privacy-layout > * {
  grid-column: 1 / -1;
  min-width: 0;
}

/* —— 章节目录 —— */
.page-privacy .privacy-nav {
  border-top: 1px solid var(--pv-line);
  border-bottom: 1px solid var(--pv-line);
  padding: 12px 0;
}

.page-privacy .privacy-nav__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-privacy .privacy-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .privacy-nav__list li {
  flex: 0 0 auto;
}

.page-privacy .privacy-nav__list a {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.5;
  white-space: nowrap;
  color: var(--muted);
  text-decoration: none;
  padding: 6px 10px;
  border: 1px solid var(--pv-line);
  transition: color 120ms linear, border-color 120ms linear;
}

.page-privacy .privacy-nav__list a:hover {
  color: var(--paper);
  border-color: var(--cyan-dim);
}

.page-privacy .privacy-nav__list a[data-active] {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-privacy .privacy-nav__list a:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

/* —— 章节主体 —— */
.page-privacy .privacy-chapter {
  border-top: 1px solid var(--pv-line);
  margin-top: clamp(34px, 5vw, 58px);
  padding-top: clamp(22px, 3.2vw, 34px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-privacy .privacy-chapter:first-child {
  border-top: 0;
  margin-top: 0;
  padding-top: 0;
}

.page-privacy .privacy-chapter__head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-privacy .privacy-chapter__index {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-privacy .privacy-chapter__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(21px, 3vw, 31px);
  line-height: 1.28;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-privacy .privacy-chapter__range {
  margin: 0;
  padding-left: 10px;
  border-left: 2px solid var(--cyan-dim);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.07em;
  line-height: 1.6;
  color: var(--muted);
}

.page-privacy .privacy-chapter__body {
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.68;
  color: var(--muted);
}

.page-privacy .privacy-chapter__body > p {
  margin: 0 0 1.05em;
  max-width: 68ch;
}

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

.page-privacy .privacy-chapter__body a {
  color: var(--paper);
  text-decoration: underline;
  text-decoration-color: var(--cyan-dim);
  text-underline-offset: 3px;
}

.page-privacy .privacy-chapter__body a:hover {
  text-decoration-color: var(--cyan);
}

.page-privacy .privacy-chapter__body a:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

/* —— 条目列表（1px 网格线分隔） —— */
.page-privacy .privacy-records {
  list-style: none;
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  padding: 0;
  border-top: 1px solid var(--pv-line-soft);
}

.page-privacy .privacy-records__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--pv-line-soft);
  transition: background-color 120ms linear;
}

.page-privacy .privacy-records__row:hover {
  background: var(--grid);
}

.page-privacy .privacy-records__key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-privacy .privacy-records__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.66;
  color: var(--muted);
}

/* —— 数据表 —— */
.page-privacy .privacy-table-wrap {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  overflow-x: auto;
  border: 1px solid var(--pv-line-soft);
  scrollbar-width: thin;
}

.page-privacy .privacy-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
}

.page-privacy .privacy-table__cap {
  text-align: left;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  border-bottom: 1px solid var(--pv-line-soft);
}

.page-privacy .privacy-table th,
.page-privacy .privacy-table td {
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
  font-size: 13.5px;
  line-height: 1.56;
  border-bottom: 1px solid var(--pv-line-soft);
}

.page-privacy .privacy-table th {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
  background: var(--grid);
}

.page-privacy .privacy-table td {
  color: var(--paper);
}

.page-privacy .privacy-table tbody tr:last-child td {
  border-bottom: 0;
}

/* —— 呼吸带 —— */
.page-privacy .breath {
  margin: clamp(28px, 4.5vw, 48px) 0;
}

/* —— 可复制的操作路径（纸感浅底） —— */
.page-privacy .privacy-action {
  margin: 0 0 clamp(20px, 3vw, 28px);
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--plate);
  border: 1px solid var(--grid);
}

.page-privacy .privacy-action__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--pv-ink-faint);
}

.page-privacy .privacy-action__value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2vw, 18px);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink);
  word-break: break-all;
  user-select: all;
}

.page-privacy .privacy-action__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.64;
  color: var(--pv-ink-soft);
}

/* —— 步骤序列 —— */
.page-privacy .privacy-steps {
  list-style: none;
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-steps__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-privacy .privacy-steps__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-privacy .privacy-steps__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.66;
  color: var(--muted);
}

/* ============ 断点 ============ */
@media (min-width: 720px) {
  .page-privacy .privacy-scope {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .privacy-scope__item {
    grid-template-columns: auto minmax(0, 1fr);
    align-content: start;
    gap: 4px 12px;
    border-bottom: 0;
    border-left: 1px solid var(--pv-line);
  }

  .page-privacy .privacy-scope__item:first-child {
    border-left: 0;
  }

  .page-privacy .privacy-scope__desc {
    grid-column: 1 / -1;
  }

  .page-privacy .privacy-records__row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: clamp(16px, 2.4vw, 28px);
    padding: 14px 12px;
    margin: 0 -12px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 188px minmax(0, 1fr);
    column-gap: clamp(28px, 4vw, 52px);
  }

  .page-privacy .privacy-layout > * {
    grid-column: auto;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }

  .page-privacy .privacy-body {
    max-width: 74ch;
  }

  .page-privacy .privacy-nav {
    border-top: 0;
    border-bottom: 0;
    padding: 0;
    border-left: 1px solid var(--pv-line);
    padding-left: 16px;
  }

  .page-privacy .privacy-nav__list {
    flex-direction: column;
    gap: 2px;
    overflow-x: visible;
  }

  .page-privacy .privacy-nav__list li {
    flex: 0 0 auto;
  }

  .page-privacy .privacy-nav__list a {
    white-space: normal;
    padding: 7px 0 7px 12px;
    border-width: 0 0 0 2px;
    border-style: solid;
    border-color: transparent;
  }

  .page-privacy .privacy-nav__list a:hover {
    color: var(--paper);
    border-color: var(--cyan-dim);
  }

  .page-privacy .privacy-nav__list a[data-active] {
    color: var(--cyan);
    border-color: var(--cyan);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-nav__list a,
  .page-privacy .privacy-records__row {
    transition: none;
  }
}