.page-privacy {
  --doc-measure: 680px;
}

/* ---------- 首屏：深冰夜框景 + 抽象纹理 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  background: var(--ice-night);
  color: var(--snow);
  padding: 116px 0 56px;
}

.page-privacy .privacy-hero-media {
  position: absolute;
  inset: 0;
  opacity: .3;
}

.page-privacy .privacy-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 27, 42, .58) 0%, rgba(10, 27, 42, .96) 88%);
  pointer-events: none;
}

.page-privacy .privacy-hero-inner {
  position: relative;
  z-index: 1;
}

.page-privacy .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .breadcrumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--graphite);
}

.page-privacy .breadcrumbs a {
  color: var(--ice-bright);
  text-decoration: none;
}

.page-privacy .breadcrumbs a:hover {
  text-decoration: underline;
}

.page-privacy .privacy-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ice-bright);
  margin: 0 0 14px;
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-head);
  font-size: var(--fs-h1);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.02em;
  margin: 0 0 20px;
  color: var(--snow);
  max-width: 15em;
}

.page-privacy .privacy-lede {
  font-size: var(--fs-lg);
  line-height: 1.7;
  color: var(--mist);
  max-width: 40em;
  margin: 0;
}

.page-privacy .privacy-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
  margin: 30px 0 0;
  padding: 24px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-dark);
}

.page-privacy .privacy-facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: var(--fs-sm);
  color: var(--mist);
}

.page-privacy .privacy-facts .num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--orange-soft);
  font-variant-numeric: tabular-nums;
}

/* ---------- 文档主体 ---------- */
.page-privacy .privacy-body {
  display: grid;
  gap: 28px;
  padding: 40px 0 72px;
}

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

.page-privacy .privacy-toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--graphite);
}

.page-privacy .privacy-toc ol {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

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

.page-privacy .privacy-toc a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 12px;
  border-left: 2px solid transparent;
  font-size: var(--fs-sm);
  color: var(--graphite);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              background-color var(--t-fast) var(--ease);
}

.page-privacy .privacy-toc a:hover,
.page-privacy .privacy-toc a:focus-visible {
  color: var(--ice-night);
  border-left-color: var(--orange);
  background: rgba(27, 111, 168, .07);
}

.page-privacy .privacy-toc a:focus-visible {
  outline: 2px solid var(--ice-bright);
  outline-offset: 2px;
}

.page-privacy .toc-num {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .08em;
  color: var(--ice-blue);
}

/* ---------- 正文列 ---------- */
.page-privacy .privacy-doc {
  max-width: var(--doc-measure);
}

.page-privacy .doc-section {
  border-top: 1px solid var(--line-light);
  padding-top: 34px;
  margin-top: 34px;
  scroll-margin-top: 104px;
}

.page-privacy .doc-section:first-of-type {
  border-top: 0;
  padding-top: 0;
  margin-top: 0;
}

.page-privacy .doc-index {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ice-blue);
  margin: 0 0 14px;
}

.page-privacy .doc-section h2 {
  position: relative;
  font-family: var(--font-head);
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--ink);
  margin: 0 0 20px;
}

.page-privacy .doc-section h2::before {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  margin-bottom: 16px;
  background: var(--ice-blue);
}

.page-privacy .privacy-doc p {
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--ink);
  margin: 0 0 18px;
}

.page-privacy .privacy-doc a {
  color: var(--ice-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--t-fast) var(--ease);
}

.page-privacy .privacy-doc a:hover {
  color: var(--ice-bright);
}

.page-privacy .doc-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .doc-list li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--ink);
}

.page-privacy .doc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .84em;
  width: 9px;
  height: 2px;
  background: var(--orange);
}

.page-privacy .doc-list strong {
  font-weight: 700;
  color: var(--ice-night);
}

.page-privacy .doc-promise {
  border-left: 3px solid var(--ice-blue);
  background: rgba(27, 111, 168, .07);
  padding: 16px 18px;
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--ink);
}

.page-privacy .doc-promise a {
  color: var(--ice-blue);
  font-weight: 600;
}

/* ---------- 收尾区 ---------- */
.page-privacy .privacy-links {
  margin-top: 52px;
  padding-top: 28px;
  border-top: 1px solid var(--line-light);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-privacy .privacy-links .eyebrow {
  flex: 0 0 100%;
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--graphite);
}

.page-privacy .privacy-links .btn-outline {
  border-color: var(--ice-blue);
  color: var(--ice-blue);
}

.page-privacy .privacy-links .btn-outline:hover {
  border-color: var(--ice-bright);
  color: var(--ice-night);
  background: rgba(88, 184, 232, .16);
}

.page-privacy .privacy-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 36px;
  padding: 10px 18px;
  border: 1px solid var(--ice-bright);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: .08em;
  color: var(--ice-blue);
  text-decoration: none;
  transition: background-color var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}

.page-privacy .privacy-top:hover {
  background: var(--ice-bright);
  color: var(--ice-night);
  transform: translateY(-2px);
}

.page-privacy .privacy-top:focus-visible,
.page-privacy .privacy-links a:focus-visible {
  outline: 2px solid var(--ice-bright);
  outline-offset: 2px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-hero {
    padding: 132px 0 64px;
  }

  .page-privacy .privacy-body {
    padding: 56px 0 88px;
  }

  .page-privacy .privacy-toc a {
    padding: 10px 16px;
  }
}

/* ---------- 桌面：粘性目录 + 限宽正文 ---------- */
@media (min-width: 1000px) {
  .page-privacy .privacy-hero {
    padding: 148px 0 72px;
  }

  .page-privacy .privacy-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 64px;
    padding: 72px 0 96px;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 104px;
    border-top: 0;
    border-bottom: 0;
    padding: 0;
  }

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

  .page-privacy .privacy-toc li {
    flex: initial;
  }

  .page-privacy .privacy-toc a {
    padding: 10px 0 10px 14px;
    white-space: normal;
    line-height: 1.5;
    border-left: 2px solid var(--line-light);
  }

  .page-privacy .privacy-toc a:hover,
  .page-privacy .privacy-toc a:focus-visible {
    background: transparent;
  }

  .page-privacy .doc-section {
    padding-top: 44px;
    margin-top: 44px;
  }
}

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

  .page-privacy .privacy-top:hover {
    transform: none;
  }
}