.page-privacy {
  --pp-paper: #F7FAFD;
  --pp-ink: #0D2138;
  --pp-body: #2A4362;
  --pp-muted: #5C7794;
  --pp-rule: #D2DFEB;
  --pp-accent: #0C7C74;
  --pp-accent-soft: rgba(12, 124, 116, .08);
  background: var(--ink);
  padding-bottom: clamp(56px, 7vw, 96px);
}

.page-privacy .breadcrumbs {
  margin: 20px 0 24px;
}

.page-privacy .privacy-hero__inner {
  display: grid;
  gap: 24px;
}

.page-privacy .privacy-hero__copy .eyebrow {
  color: var(--cyan);
  letter-spacing: .08em;
}

.page-privacy .privacy-hero__copy h1 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 3.9vw, 48px);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--text);
  max-width: 22ch;
}

.page-privacy .privacy-hero__copy .lead {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .privacy-hero__media {
  margin: 8px 0 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  position: relative;
}

.page-privacy .privacy-hero__media::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 84px;
  height: 3px;
  background: var(--cyan);
  z-index: 1;
}

.page-privacy .privacy-hero__media::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 84px;
  width: 42px;
  height: 3px;
  background: var(--gold);
  z-index: 1;
}

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

/* 布局：左侧索引 + 浅色长文 */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: clamp(32px, 5vw, 64px);
}

/* 索引轨道 */
.page-privacy .privacy-rail {
  align-self: start;
}

.page-privacy .privacy-rail__cap {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .privacy-rail__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .privacy-rail__item {
  flex: 0 0 auto;
}

.page-privacy .privacy-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  transition: color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              background-color var(--t-fast) var(--ease);
}

.page-privacy .privacy-rail__link:hover {
  color: var(--text);
  border-color: var(--cyan-soft);
}

.page-privacy .privacy-rail__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-privacy .privacy-rail__link.is-active {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--cyan-wash);
}

.page-privacy .privacy-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--gold);
}

/* 长文主体 */
.page-privacy .privacy-doc {
  background: var(--pp-paper);
  color: var(--pp-body);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(24px, 3.4vw, 52px) clamp(20px, 3.4vw, 56px);
}

.page-privacy .privacy-doc a {
  color: var(--pp-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-privacy .privacy-doc a:hover {
  color: var(--pp-ink);
}

.page-privacy .privacy-doc a:focus-visible {
  outline: 2px solid var(--pp-accent);
  outline-offset: 2px;
  border-radius: var(--radius);
}

.page-privacy .privacy-p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--pp-body);
  max-width: 42em;
}

.page-privacy .privacy-p--intro {
  font-size: 17px;
  line-height: 1.8;
  color: var(--pp-ink);
  padding-bottom: 24px;
  margin-bottom: 0;
  border-bottom: 1px solid var(--pp-rule);
}

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

/* 章节 */
.page-privacy .privacy-section {
  padding-top: clamp(28px, 3.6vw, 44px);
  margin-top: clamp(28px, 3.6vw, 44px);
  border-top: 1px solid var(--pp-rule);
}

.page-privacy .privacy-section:first-of-type {
  border-top: 0;
  margin-top: 0;
  padding-top: clamp(28px, 3.6vw, 40px);
}

.page-privacy .privacy-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
  scroll-margin-top: 96px;
}

.page-privacy .privacy-section__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--pp-accent);
  padding-bottom: 3px;
  border-bottom: 2px solid var(--gold);
}

.page-privacy .privacy-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 1.5vw, 22px);
  line-height: 1.35;
  letter-spacing: .01em;
  color: var(--pp-ink);
}

/* 三类场景网格 */
.page-privacy .privacy-scope {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--pp-rule);
  border: 1px solid var(--pp-rule);
  margin: 0 0 26px;
}

.page-privacy .privacy-scope__item {
  background: var(--pp-paper);
  padding: 18px 20px;
}

.page-privacy .privacy-scope__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--pp-accent);
}

.page-privacy .privacy-scope__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pp-body);
}

/* 要点列表 */
.page-privacy .privacy-points {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  max-width: 44em;
}

.page-privacy .privacy-points li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pp-body);
}

.page-privacy .privacy-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  background: var(--pp-accent);
  border-radius: var(--radius);
}

.page-privacy .privacy-label {
  font-weight: 700;
  color: var(--pp-ink);
}

/* 信息生命周期图 */
.page-privacy .privacy-flow {
  margin: 8px 0 0;
  padding: 20px 18px 12px;
  border: 1px solid var(--pp-rule);
  background: var(--pp-accent-soft);
}

.page-privacy .privacy-flow__cap {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--pp-muted);
}

.page-privacy .privacy-flow__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-privacy .privacy-flow__svg text {
  font-family: var(--font-mono);
  font-size: 18px;
  fill: var(--pp-muted);
  text-anchor: middle;
}

/* 平板 */
@media (min-width: 640px) {
  .page-privacy .privacy-scope {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .privacy-p {
    font-size: 16px;
  }
}

/* 桌面：左侧固定索引 */
@media (min-width: 960px) {
  .page-privacy .privacy-hero__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 72px);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 104px;
  }

  .page-privacy .privacy-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
    border-left: 1px solid var(--line);
  }

  .page-privacy .privacy-rail__item {
    margin-left: -1px;
  }

  .page-privacy .privacy-rail__link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    padding: 10px 14px;
    white-space: normal;
    width: 100%;
  }

  .page-privacy .privacy-rail__link:hover {
    color: var(--text);
    border-left-color: var(--cyan-soft);
    background: rgba(11, 35, 64, .6);
  }

  .page-privacy .privacy-rail__link.is-active {
    color: var(--cyan);
    border-left-color: var(--cyan);
    background: var(--cyan-wash);
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-doc {
    padding: 60px 64px;
  }
}