.page-privacy {
  --pv-bg: var(--paper-soft);
  --pv-text: #16303f;
  --pv-muted: #4b6374;
  --pv-rule: rgba(11, 27, 43, 0.16);
  --pv-rule-hard: #0b1b2b;
  --pv-accent: #0b7a72;
  --pv-amber-line: #f5a524;
  --pv-card: #f6f8fa;

  background: var(--pv-bg);
  color: var(--pv-text);
  font-family: var(--sans);
  line-height: 1.9;
  overflow-x: hidden;
}

.page-privacy h1,
.page-privacy h2,
.page-privacy h3 {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.page-privacy p,
.page-privacy ul,
.page-privacy ol {
  margin: 0;
}

.page-privacy ul,
.page-privacy ol {
  list-style: none;
  padding: 0;
}

.page-privacy a {
  color: inherit;
}

/* ---------- 首屏 ---------- */

.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  padding: 22px 0 0;
  background: var(--ink);
  color: var(--paper);
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(53, 224, 208, 0.1) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(53, 224, 208, 0.06) 0 1px, transparent 1px 96px);
}

.page-privacy .pv-hero-shell {
  position: relative;
  padding-bottom: 34px;
}

.page-privacy .pv-hero .breadcrumb-list,
.page-privacy .pv-hero .breadcrumb-item {
  color: var(--haze);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-privacy .pv-hero .breadcrumb-item a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.4);
}

.page-privacy .pv-hero .breadcrumb-item a:hover,
.page-privacy .pv-hero .breadcrumb-item a:focus-visible {
  border-bottom-color: var(--amber);
}

.page-privacy .pv-hero-grid {
  display: grid;
  gap: 26px;
  margin-top: 26px;
}

.page-privacy .pv-eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 10px;
  border: 2px solid var(--line-strong);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.page-privacy .pv-hero h1 {
  font-size: clamp(38px, 9vw, 66px);
  line-height: 1.04;
}

.page-privacy .pv-lead {
  max-width: 34em;
  margin-top: 18px;
  color: #d5e0e8;
  font-size: 16px;
  line-height: 1.85;
}

.page-privacy .pv-hero-side {
  align-self: end;
  border: 2px solid var(--line-strong);
  border-left: 6px solid var(--cyan);
  background: rgba(30, 52, 72, 0.72);
  padding: 16px 18px;
  box-shadow: var(--shadow-hard);
}

.page-privacy .pv-side-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .pv-side-row:last-child {
  border-bottom: 0;
}

.page-privacy .pv-side-label {
  color: var(--haze);
  font-size: 13px;
}

.page-privacy .pv-side-value {
  color: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-align: right;
}

.page-privacy .pv-band {
  border-top: 2px solid var(--line-strong);
  background: var(--ink-2);
}

.page-privacy .pv-band img {
  display: block;
  width: 100%;
  height: clamp(140px, 22vw, 280px);
  object-fit: cover;
  opacity: 0.92;
}

/* ---------- 文档骨架 ---------- */

.page-privacy .pv-layout {
  display: grid;
  gap: 36px;
  padding-top: 44px;
  padding-bottom: 76px;
}

.page-privacy .pv-toc {
  border-top: 3px solid var(--pv-rule-hard);
  padding-top: 14px;
}

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

.page-privacy .pv-toc-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
}

.page-privacy .pv-toc-list::-webkit-scrollbar {
  display: none;
}

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

.page-privacy .pv-toc-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--pv-rule);
  background: var(--pv-card);
  color: var(--pv-text);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-privacy .pv-toc-list a:hover,
.page-privacy .pv-toc-list a:focus-visible {
  border-color: var(--pv-accent);
  background: #ffffff;
}

.page-privacy .pv-toc-num {
  color: var(--pv-accent);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-privacy .pv-doc {
  min-width: 0;
  max-width: 720px;
}

.page-privacy .pv-section {
  scroll-margin-top: 96px;
}

.page-privacy .pv-section + .pv-section {
  margin-top: 52px;
  padding-top: 34px;
  border-top: 3px solid var(--pv-rule-hard);
}

.page-privacy .pv-num {
  margin-bottom: 8px;
  color: var(--pv-accent);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
}

.page-privacy .pv-section h2 {
  margin-bottom: 16px;
  color: var(--ink);
  font-size: clamp(24px, 4.4vw, 32px);
}

.page-privacy .pv-body {
  max-width: 36em;
  margin-bottom: 16px;
  color: var(--pv-text);
  font-size: 16px;
  line-height: 1.95;
}

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

/* ---------- P-01 卡片 ---------- */

.page-privacy .pv-cards {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-privacy .pv-card {
  padding: 20px 20px 18px;
  border: 1px solid var(--pv-rule);
  border-left: 4px solid var(--pv-accent);
  background: var(--pv-card);
}

.page-privacy .pv-card h3 {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 18px;
}

.page-privacy .pv-card p {
  color: var(--pv-muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-privacy .pv-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0;
}

.page-privacy .pv-fields li {
  padding: 4px 10px;
  border: 1px solid rgba(11, 122, 114, 0.34);
  background: #ffffff;
  color: var(--pv-accent);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.page-privacy .pv-note {
  padding-top: 10px;
  border-top: 1px solid var(--pv-rule);
  color: var(--pv-muted);
  font-size: 13px;
  line-height: 1.75;
}

/* ---------- P-02 用途列表 ---------- */

.page-privacy .pv-purpose {
  counter-reset: pv-purpose;
  display: grid;
  gap: 0;
  margin-top: 20px;
}

.page-privacy .pv-purpose li {
  counter-increment: pv-purpose;
  position: relative;
  padding: 16px 0 16px 46px;
  border-top: 1px solid var(--pv-rule);
}

.page-privacy .pv-purpose li:last-child {
  border-bottom: 1px solid var(--pv-rule);
}

.page-privacy .pv-purpose li::before {
  content: counter(pv-purpose, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 18px;
  color: var(--pv-accent);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-privacy .pv-purpose h3 {
  margin-bottom: 5px;
  color: var(--ink);
  font-size: 17px;
}

.page-privacy .pv-purpose p {
  color: var(--pv-muted);
  font-size: 15px;
  line-height: 1.85;
}

/* ---------- 提示条与安全措施 ---------- */

.page-privacy .pv-callout {
  margin: 22px 0;
  padding: 14px 18px;
  border-left: 2px solid var(--pv-amber-line);
  background: #ffffff;
  color: var(--pv-text);
  font-size: 15px;
  line-height: 1.85;
}

.page-privacy .pv-callout--amber {
  border: 2px solid var(--pv-amber-line);
  border-left-width: 2px;
  box-shadow: 4px 4px 0 rgba(11, 27, 43, 0.14);
}

.page-privacy .pv-measures {
  display: grid;
  gap: 12px;
  margin-top: 6px;
}

.page-privacy .pv-measures li {
  padding: 14px 16px;
  border: 1px solid var(--pv-rule);
  background: var(--pv-card);
  color: var(--pv-muted);
  font-size: 15px;
  line-height: 1.85;
}

.page-privacy .pv-measures strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
}

/* ---------- P-04 权利 ---------- */

.page-privacy .pv-rights {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.page-privacy .pv-right {
  padding: 16px 18px;
  border: 1px solid var(--pv-rule);
  border-top: 3px solid var(--ink);
  background: var(--pv-card);
}

.page-privacy .pv-right h3 {
  margin-bottom: 6px;
  color: var(--ink);
  font-size: 17px;
}

.page-privacy .pv-right p {
  color: var(--pv-muted);
  font-size: 15px;
  line-height: 1.85;
}

/* ---------- 相关文档 ---------- */

.page-privacy .pv-links {
  margin-top: 28px;
  padding: 20px;
  border: 2px solid var(--pv-rule-hard);
  background: #ffffff;
}

.page-privacy .pv-links-title {
  margin-bottom: 12px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
}

.page-privacy .pv-links ul {
  display: grid;
  gap: 10px;
}

.page-privacy .pv-links li {
  padding-left: 14px;
  border-left: 2px solid rgba(245, 165, 36, 0.9);
  color: var(--pv-muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-privacy .pv-links a {
  color: var(--pv-accent);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--pv-amber-line);
}

.page-privacy .pv-links a:hover,
.page-privacy .pv-links a:focus-visible {
  color: var(--ink);
  background: rgba(53, 224, 208, 0.2);
}

.page-privacy a:focus-visible {
  outline: 2px solid var(--pv-accent);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-privacy .pv-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .pv-rights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-hero {
    padding-top: 26px;
  }

  .page-privacy .pv-hero-shell {
    padding-bottom: 44px;
  }

  .page-privacy .pv-hero-grid {
    grid-template-columns: minmax(0, 1fr) 248px;
    gap: 52px;
    align-items: end;
    margin-top: 34px;
  }

  .page-privacy .pv-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 64px;
    padding-top: 64px;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 92px;
    align-self: start;
    border-top: 0;
    padding-top: 0;
    border-left: 3px solid var(--pv-rule-hard);
    padding-left: 16px;
  }

  .page-privacy .pv-toc-list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .pv-toc-list a {
    display: flex;
    width: 100%;
    padding: 9px 10px;
    border: 0;
    border-left: 2px solid transparent;
    background: transparent;
    white-space: normal;
    line-height: 1.5;
  }

  .page-privacy .pv-toc-list a:hover,
  .page-privacy .pv-toc-list a:focus-visible {
    border-left-color: var(--pv-accent);
    background: rgba(53, 224, 208, 0.14);
  }

  .page-privacy .pv-cards {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-privacy .pv-measures {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-privacy .pv-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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