.page-privacy {
  --privacy-measure: 68ch;
  --privacy-idx: 236px;
  --privacy-tint: rgba(16, 38, 58, 0.66);
  background: var(--night);
  color: var(--bone);
  padding-bottom: clamp(56px, 8vw, 112px);
}

.page-privacy .content-stage {
  max-width: var(--stage-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 面包屑 ---------- */
.page-privacy .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(20px, 3vw, 36px);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-privacy .crumbs__item {
  color: var(--stone);
  text-decoration: none;
}

.page-privacy .crumbs__item[aria-current="page"] {
  color: var(--silver);
}

.page-privacy a.crumbs__item:hover {
  color: var(--bone);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .crumbs__sep {
  color: var(--turf);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding-block: clamp(22px, 3.4vw, 44px) clamp(22px, 3vw, 34px);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-privacy .privacy-hero__title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 200;
  font-size: clamp(46px, 8.4vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-privacy .privacy-hero__version {
  margin: 18px 0 0;
  font-family: var(--f-mono);
  font-style: italic;
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--silver);
}

.page-privacy .privacy-hero__lead {
  max-width: 64ch;
  margin: 20px 0 0;
  font-family: var(--f-serif);
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.78;
  color: var(--silver);
}

/* ---------- 页首横向纹理 ---------- */
.page-privacy .privacy-texture {
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  border: 1px solid var(--line-strong);
  box-shadow: var(--hard);
}

.page-privacy .privacy-texture img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 1;
}

.page-privacy .privacy-texture .media-frame__caption {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  background: var(--deep);
  font-family: var(--f-sans);
  font-style: italic;
  font-weight: 300;
  font-size: 12px;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 双栏骨架 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 44px);
  margin-top: clamp(32px, 5vw, 60px);
}

/* ---------- 章节索引 ---------- */
.page-privacy .privacy-index {
  border-top: 2px solid var(--turf);
  padding-top: 14px;
}

.page-privacy .privacy-index__cap {
  margin: 0 0 12px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-privacy .privacy-index__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px 8px 12px;
  border-left: 2px solid transparent;
  background: transparent;
  color: var(--stone);
  font-family: var(--f-sans);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-privacy .privacy-index__link:hover,
.page-privacy .privacy-index__link:focus-visible {
  color: var(--bone);
  border-left-color: var(--pitch);
  background: rgba(46, 111, 78, 0.16);
  outline: none;
}

.page-privacy .privacy-index__num {
  flex: none;
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--clay);
}

.page-privacy .privacy-index__note {
  margin: 14px 0 0;
  font-family: var(--f-sans);
  font-style: italic;
  font-weight: 300;
  font-size: 12px;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 正文文档 ---------- */
.page-privacy .privacy-doc {
  min-width: 0;
  border-bottom: 1px solid var(--line-strong);
}

.page-privacy .privacy-section {
  padding: clamp(26px, 4vw, 42px) clamp(18px, 3vw, 30px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 28px;
}

.page-privacy .privacy-section:nth-of-type(even) {
  background: var(--privacy-tint);
}

.page-privacy .privacy-section__title {
  margin: 0 0 14px;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(22px, 2.7vw, 30px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-privacy .privacy-section__title::after {
  content: "";
  display: block;
  width: 44px;
  height: 2px;
  margin-top: 12px;
  background: var(--pitch);
}

.page-privacy .privacy-section p {
  max-width: var(--privacy-measure);
  margin: 0 0 1em;
  font-family: var(--f-serif);
  font-size: 17px;
  line-height: 1.78;
  color: var(--silver);
}

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

.page-privacy .privacy-section strong {
  color: var(--bone);
  font-weight: 700;
}

.page-privacy .privacy-section ul {
  max-width: var(--privacy-measure);
  margin: 0 0 1em;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-section li {
  position: relative;
  padding-left: 24px;
  font-family: var(--f-serif);
  font-size: 16.5px;
  line-height: 1.76;
  color: var(--silver);
}

.page-privacy .privacy-section li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.76em;
  width: 12px;
  height: 1px;
  background: var(--pitch);
}

.page-privacy .privacy-doc a {
  color: var(--bone);
  text-decoration: underline;
  text-decoration-color: var(--pitch);
  text-underline-offset: 3px;
}

.page-privacy .privacy-doc a:hover,
.page-privacy .privacy-doc a:focus-visible {
  color: var(--moss);
  text-decoration-color: var(--moss);
}

/* ---------- 三档信息分级表 ---------- */
.page-privacy .privacy-keys {
  margin: 6px 0 0;
  max-width: var(--privacy-measure);
  border-top: 1px solid var(--line-strong);
}

.page-privacy .privacy-keys__row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-keys__term {
  font-family: var(--f-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--bone);
}

.page-privacy .privacy-keys__term .tag {
  margin-left: 8px;
  vertical-align: middle;
}

.page-privacy .privacy-keys__desc {
  margin: 0;
  font-family: var(--f-serif);
  font-size: 16.5px;
  line-height: 1.76;
  color: var(--silver);
}

/* ---------- 尾部交叉说明 ---------- */
.page-privacy .privacy-cross {
  margin-top: clamp(30px, 4vw, 48px);
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--pitch);
  background: var(--deep);
  box-shadow: var(--hard);
}

.page-privacy .privacy-cross__title {
  margin: 0 0 12px;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.2;
  color: var(--bone);
}

.page-privacy .privacy-cross__text {
  max-width: var(--privacy-measure);
  margin: 0;
  font-family: var(--f-serif);
  font-size: 16.5px;
  line-height: 1.76;
  color: var(--silver);
}

/* ---------- 桌面端：右停靠索引 ---------- */
@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, var(--privacy-measure)) var(--privacy-idx);
    justify-content: space-between;
    align-items: start;
    gap: clamp(36px, 5vw, 80px);
  }

  .page-privacy .privacy-doc {
    order: 1;
  }

  .page-privacy .privacy-index {
    order: 2;
    position: sticky;
    top: 32px;
    align-self: start;
  }

  .page-privacy .privacy-index__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 560px) {
  .page-privacy .privacy-index__list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-privacy .privacy-section {
    padding-inline: 16px;
  }

  .page-privacy .privacy-section p,
  .page-privacy .privacy-section li,
  .page-privacy .privacy-keys__desc {
    font-size: 16px;
  }

  .page-privacy .privacy-texture {
    box-shadow: 4px 4px 0 0 rgba(0, 0, 0, 0.42);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index__link {
    transition: none;
  }
}