.page-privacy {
  --privacy-gap: clamp(1.25rem, 4vw, 3.5rem);
  --privacy-radius: 14px;
  background: var(--light);
  color: var(--ink);
}

/* ===== 顶部封面区 ===== */
.page-privacy .page-privacy__hero {
  padding-top: clamp(2rem, 5vw, 3.5rem);
  padding-bottom: 0;
}

.page-privacy .page-privacy__hero-kicker {
  margin-top: clamp(1.25rem, 3vw, 2rem);
  color: var(--gold-light);
  letter-spacing: .18em;
}

.page-privacy .page-privacy__hero-title {
  max-width: 14em;
  margin: .875rem 0 0;
  color: #fff;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.02em;
}

.page-privacy .page-privacy__hero-lead {
  max-width: 46em;
  margin: 1.125rem 0 0;
  color: rgba(255, 255, 255, .85);
  font-size: 1rem;
  line-height: 1.8;
}

.page-privacy .page-privacy__hero-media {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: 16px 16px 0 0;
  overflow: hidden;
  background: var(--sky-blue);
}

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

/* ===== 主体两栏布局 ===== */
.page-privacy .page-privacy__layout {
  display: grid;
  gap: var(--privacy-gap);
  padding: clamp(2rem, 5vw, 4rem) 0;
}

/* ===== 侧边目录 ===== */
.page-privacy .page-privacy__toc {
  order: -1;
  background: #fff;
  border: 1px solid var(--border);
  border-left: 4px solid var(--gold);
  border-radius: var(--privacy-radius);
  padding: 1.25rem;
}

.page-privacy .page-privacy__toc-title {
  margin: 0 0 1rem;
  font-size: .8125rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .page-privacy__toc-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .375rem .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .page-privacy__toc-link {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  padding: .375rem .5rem;
  border-radius: 6px;
  color: var(--ink);
  font-size: .9375rem;
  line-height: 1.4;
  text-decoration: none;
  transition: background .3s, color .3s;
}

.page-privacy .page-privacy__toc-link span {
  font-size: .75rem;
  font-weight: 800;
  color: var(--gold);
}

.page-privacy .page-privacy__toc-link:hover,
.page-privacy .page-privacy__toc-link:focus-visible {
  background: var(--light);
  color: var(--space-blue);
  outline: none;
}

.page-privacy .page-privacy__toc-help {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: 1rem;
  font-size: .9375rem;
  color: var(--tech-blue);
  text-decoration: none;
}

.page-privacy .page-privacy__toc-help:hover {
  color: var(--space-blue);
}

.page-privacy .link-arrow::after {
  content: "→";
  margin-left: .5em;
  transition: transform .3s;
}

.page-privacy .link-arrow:hover::after {
  transform: translateX(3px);
}

/* ===== 正文长文区 ===== */
.page-privacy .page-privacy__content {
  min-width: 0;
}

.page-privacy .page-privacy__sections {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

.page-privacy .page-privacy__section {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--privacy-radius);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: 0 6px 20px rgba(11, 29, 58, .04);
}

.page-privacy .page-privacy__section::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 34px;
  height: 34px;
  background: var(--gold);
  border-radius: 0 var(--privacy-radius) 0 0;
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-privacy .page-privacy__section-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.page-privacy .page-privacy__section-num {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: var(--space-blue);
  color: var(--gold-light);
  font-size: 1rem;
  font-weight: 800;
  border-radius: 10px;
}

.page-privacy .page-privacy__section-title {
  margin: 0;
  color: var(--space-blue);
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
}

.page-privacy .page-privacy__section > p {
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.9;
  margin: 0 0 1rem;
}

/* ===== 引言原则 ===== */
.page-privacy .page-privacy__principles {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-privacy .page-privacy__principle {
  background: var(--light);
  border-left: 3px solid var(--gold);
  border-radius: 8px;
  padding: 1.25rem;
}

.page-privacy .page-privacy__principle strong {
  display: block;
  color: var(--space-blue);
  font-size: 1.0625rem;
  margin-bottom: .375rem;
}

.page-privacy .page-privacy__principle p {
  margin: 0;
  color: var(--muted);
  font-size: .9375rem;
  line-height: 1.7;
}

/* ===== 收集范围列表 ===== */
.page-privacy .page-privacy__collect-list {
  display: grid;
  gap: .875rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .page-privacy__collect-list li {
  background: var(--light);
  border-radius: 10px;
  padding: 1.25rem;
}

.page-privacy .page-privacy__collect-list strong {
  display: block;
  color: var(--space-blue);
  font-size: 1.0625rem;
  margin-bottom: .375rem;
}

.page-privacy .page-privacy__collect-list p {
  margin: 0;
  color: var(--muted);
  font-size: .9375rem;
  line-height: 1.75;
}

/* ===== 使用目的 ===== */
.page-privacy .page-privacy__purpose-list {
  display: grid;
  gap: .875rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .page-privacy__purpose-list li {
  display: grid;
  gap: .5rem;
  background: var(--light);
  border-radius: 10px;
  padding: 1.25rem;
}

.page-privacy .page-privacy__purpose-tag {
  justify-self: start;
  background: var(--space-blue);
  color: var(--gold-light);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .04em;
  border-radius: 6px;
  padding: .3125rem .75rem;
}

.page-privacy .page-privacy__purpose-list p {
  margin: 0;
  color: var(--muted);
  font-size: .9375rem;
  line-height: 1.75;
}

/* ===== 共享与披露 ===== */
.page-privacy .page-privacy__share-grid {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0 1rem;
}

.page-privacy .page-privacy__share-item {
  background: var(--light);
  border-radius: 10px;
  padding: 1.25rem;
}

.page-privacy .page-privacy__share-item h3 {
  margin: 0 0 .5rem;
  color: var(--space-blue);
  font-size: 1.0625rem;
}

.page-privacy .page-privacy__share-item p,
.page-privacy .page-privacy__share-note {
  margin: 0;
  color: var(--muted);
  font-size: .9375rem;
  line-height: 1.75;
}

.page-privacy .page-privacy__share-note {
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(212, 175, 55, .1);
  border-radius: 10px;
  border-left: 3px solid var(--gold);
}

/* ===== 数据安全面板 ===== */
.page-privacy .page-privacy__security-panel {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0;
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--space-blue), var(--sky-blue));
  border-radius: var(--privacy-radius);
}

.page-privacy .page-privacy__security-item {
  border-left: 2px solid var(--gold);
  padding-left: 1rem;
}

.page-privacy .page-privacy__security-num {
  display: block;
  color: var(--gold-light);
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.3;
}

.page-privacy .page-privacy__security-label {
  display: block;
  color: rgba(255, 255, 255, .78);
  font-size: .8125rem;
  line-height: 1.6;
  margin-top: .25rem;
}

.page-privacy .page-privacy__security-list {
  display: grid;
  gap: .875rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .page-privacy__security-list li {
  display: flex;
  gap: .875rem;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  color: var(--ink);
  font-size: .9375rem;
  line-height: 1.75;
}

.page-privacy .page-privacy__security-list li::before {
  content: "";
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  margin-top: .625em;
  background: var(--gold);
  transform: rotate(45deg);
}

/* ===== 用户权利 ===== */
.page-privacy .page-privacy__rights-grid {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0 1rem;
}

.page-privacy .page-privacy__right {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  transition: transform .3s, box-shadow .3s;
}

.page-privacy .page-privacy__right:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(11, 29, 58, .08);
}

.page-privacy .page-privacy__right-num {
  color: var(--gold);
  font-size: .8125rem;
  font-weight: 800;
  letter-spacing: .1em;
}

.page-privacy .page-privacy__right h3 {
  margin: .5rem 0 .375rem;
  color: var(--space-blue);
  font-size: 1.125rem;
}

.page-privacy .page-privacy__right p {
  margin: 0;
  color: var(--muted);
  font-size: .9375rem;
  line-height: 1.7;
}

.page-privacy .page-privacy__note {
  padding: 1rem 1.25rem;
  background: var(--light);
  border-radius: 10px;
  font-size: .9375rem;
  line-height: 1.8;
}

.page-privacy .page-privacy__note a {
  color: var(--tech-blue);
  text-decoration: none;
}

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

/* ===== 政策更新时间线 ===== */
.page-privacy .page-privacy__update-list {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .page-privacy__update-item {
  position: relative;
  padding: 0 0 1.5rem 2rem;
}

.page-privacy .page-privacy__update-item:last-child {
  padding-bottom: 0;
}

.page-privacy .page-privacy__update-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .25rem;
  width: 12px;
  height: 12px;
  background: var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-privacy .page-privacy__update-item::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1.75rem;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.page-privacy .page-privacy__update-item:last-child::after {
  display: none;
}

.page-privacy .page-privacy__update-item h3 {
  margin: 0 0 .375rem;
  color: var(--space-blue);
  font-size: 1rem;
}

.page-privacy .page-privacy__update-item p {
  margin: 0;
  color: var(--muted);
  font-size: .9375rem;
  line-height: 1.75;
}

/* ===== 折叠细节 ===== */
.page-privacy .page-privacy__detail {
  margin-top: 1.25rem;
  border: 1px dashed var(--gold);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  background: rgba(244, 247, 250, .6);
}

.page-privacy .page-privacy__detail summary {
  cursor: pointer;
  color: var(--space-blue);
  font-size: .9375rem;
  font-weight: 700;
}

.page-privacy .page-privacy__detail summary:focus-visible {
  outline: 2px solid var(--tech-blue);
  outline-offset: 4px;
}

.page-privacy .page-privacy__detail p {
  margin: .75rem 0 0;
  color: var(--muted);
  font-size: .9375rem;
  line-height: 1.75;
}

/* ===== 底部 CTA ===== */
.page-privacy .page-privacy__cta {
  display: grid;
  justify-items: start;
  gap: 1rem;
  margin-top: clamp(2rem, 5vw, 3rem);
  padding: clamp(1.75rem, 4vw, 3rem);
  background: linear-gradient(135deg, var(--space-blue), #163A5F);
  border-radius: 16px;
  color: #fff;
  text-align: left;
}

.page-privacy .page-privacy__cta-kicker {
  color: var(--gold-light);
  font-size: .8125rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin: 0;
}

.page-privacy .page-privacy__cta-title {
  color: #fff;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.25;
  margin: 0;
}

.page-privacy .page-privacy__cta-desc {
  color: rgba(255, 255, 255, .85);
  font-size: 1rem;
  line-height: 1.85;
  margin: 0;
}

.page-privacy .page-privacy__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: .5rem;
}

/* ===== 桌面端增强 ===== */
@media (min-width: 1024px) {
  .page-privacy .page-privacy__hero {
    padding-top: clamp(2.5rem, 5vw, 4rem);
  }

  .page-privacy .page-privacy__hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
  }

  .page-privacy .page-privacy__hero-lead {
    font-size: 1.125rem;
    max-width: 40em;
  }

  .page-privacy .page-privacy__layout {
    grid-template-columns: 264px minmax(0, 1fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 4rem);
  }

  .page-privacy .page-privacy__toc {
    position: sticky;
    top: calc(var(--header-height) + 1.5rem);
    order: 0;
  }

  .page-privacy .page-privacy__toc-list {
    grid-template-columns: 1fr;
  }

  .page-privacy .page-privacy__content {
    max-width: 780px;
  }

  .page-privacy .page-privacy__principles {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-privacy .page-privacy__purpose-list li {
    grid-template-columns: 9.5rem 1fr;
    gap: 1.25rem;
    align-items: center;
  }

  .page-privacy .page-privacy__share-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-privacy .page-privacy__security-panel {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-privacy .page-privacy__security-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-privacy .page-privacy__rights-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-privacy .page-privacy__cta {
    justify-items: center;
    text-align: center;
  }
}