.page-privacy {
  --pv-hero-pad: 56px;
  --pv-block-gap: 16px;
  --pv-line-alpha: rgba(46, 74, 122, 0.55);
  --pv-card-alpha: rgba(30, 58, 110, 0.38);

  background: var(--space-blue);
  color: var(--cream-text);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: 120px;
}

/* ---------- 面包屑区域 ---------- */
.page-privacy .privacy-context {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 20px 24px 0;
}

/* ---------- 顶部标题区 ---------- */
.page-privacy .privacy-hero {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--pv-hero-pad) 24px 32px;
}

.page-privacy .privacy-hero .overline {
  color: var(--green-neon);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  position: relative;
  padding-left: 18px;
}

.page-privacy .privacy-hero .overline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 10px;
  height: 10px;
  background: var(--orange-race);
  transform: translateY(-50%) rotate(45deg);
}

.page-privacy .privacy-hero h1 {
  margin: 18px 0 20px;
  font-size: 36px;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.page-privacy .privacy-hero__desc {
  max-width: 640px;
  margin: 0;
  padding-left: 16px;
  border-left: 3px solid var(--green-neon);
  color: var(--mist-blue);
  font-size: 15px;
  line-height: 1.7;
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.page-privacy .privacy-hero__meta > span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line-blue);
  background: var(--pv-card-alpha);
  padding: 6px 12px;
  font-size: 13px;
  color: var(--mist-blue);
  white-space: nowrap;
}

.page-privacy .privacy-hero__meta .data-mono {
  color: var(--green-neon);
  font-weight: 700;
  font-size: 13px;
}

/* ---------- 数据保护横幅 ---------- */
.page-privacy .privacy-banner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-blue);
  background: var(--space-blue-light);
}

.page-privacy .privacy-banner figcaption {
  margin-top: 12px;
  padding-left: 16px;
  border-left: 2px solid var(--orange-race);
  color: var(--mist-blue);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
}

/* ---------- 文档主体布局 ---------- */
.page-privacy .privacy-layout {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 56px 24px 0;
}

/* ---------- 左侧目录 ---------- */
.page-privacy .privacy-toc {
  margin-bottom: 48px;
}

.page-privacy .privacy-toc__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--green-neon);
  text-transform: uppercase;
}

.page-privacy .privacy-toc__list {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding: 0 0 8px;
  margin: 0;
  list-style: none;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-privacy .privacy-toc__list li {
  flex-shrink: 0;
}

.page-privacy .privacy-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  border: 1px solid var(--line-blue);
  background: var(--pv-card-alpha);
  padding: 8px 12px;
  font-size: 13px;
  color: var(--cream-text);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-privacy .privacy-toc__link .data-mono {
  color: var(--orange-race);
  font-size: 12px;
  font-weight: 700;
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--green-neon);
  border-color: var(--green-neon);
  background: var(--space-blue-light);
  outline: none;
}

.page-privacy .privacy-toc__contact {
  display: block;
  margin-top: 20px;
  padding: 16px;
  background: var(--space-blue-light);
  border-left: 3px solid var(--orange-race);
  color: var(--cream-text);
  font-size: 13px;
  line-height: 1.6;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-privacy .privacy-toc__contact:hover,
.page-privacy .privacy-toc__contact:focus-visible {
  background: var(--dark-void);
  color: var(--green-neon);
  outline: none;
}

/* ---------- 右侧正文 ---------- */
.page-privacy .privacy-content {
  min-width: 0;
}

.page-privacy .privacy-section {
  margin-bottom: 72px;
  scroll-margin-top: 96px;
}

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

.page-privacy .privacy-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 16px;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--line-blue);
}

.page-privacy .privacy-section__index {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--orange-race);
  line-height: 1;
}

.page-privacy .privacy-section__head h2 {
  margin: 0;
  font-size: 28px;
  font-weight: 900;
  line-height: 1.2;
  color: var(--cream-text);
}

.page-privacy .privacy-section__lead {
  margin: 0 0 24px;
  color: var(--mist-blue);
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- 可展开的分类详情 ---------- */
.page-privacy .privacy-detail {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-privacy .privacy-detail details {
  background: var(--space-blue-light);
  border: 1px solid var(--line-blue);
}

.page-privacy .privacy-detail summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 700;
  color: var(--cream-text);
  line-height: 1.5;
  transition: background 0.2s ease;
}

.page-privacy .privacy-detail summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-detail summary::after {
  content: "+";
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--orange-race);
  transition: transform 0.2s ease;
}

.page-privacy .privacy-detail details[open] summary {
  background: var(--dark-void);
}

.page-privacy .privacy-detail details[open] summary::after {
  content: "\2212";
  color: var(--green-neon);
}

.page-privacy .privacy-detail__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--line-blue);
}

.page-privacy .privacy-detail__body ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-detail__body li {
  position: relative;
  padding: 6px 0 6px 18px;
  color: var(--mist-blue);
  font-size: 14px;
  line-height: 1.6;
}

.page-privacy .privacy-detail__body li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--green-neon);
  font-weight: 700;
}

/* ---------- 用途卡片网格 ---------- */
.page-privacy .privacy-blockgrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pv-block-gap);
  margin-bottom: 28px;
}

.page-privacy .privacy-block {
  position: relative;
  background: var(--pv-card-alpha);
  border: 1px solid var(--line-blue);
  padding: 24px 20px 20px;
}

.page-privacy .privacy-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--orange-race) 0%,
    var(--orange-race) 38%,
    var(--line-blue) 38%,
    var(--line-blue) 100%
  );
}

.page-privacy .privacy-block__tag {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--green-neon);
  text-transform: uppercase;
}

.page-privacy .privacy-block h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--cream-text);
  line-height: 1.3;
}

.page-privacy .privacy-block p {
  margin: 0;
  color: var(--mist-blue);
  font-size: 14px;
  line-height: 1.6;
}

/* ---------- 数据流示意图 ---------- */
.page-privacy .privacy-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 4px;
  padding: 20px;
  background: var(--dark-void);
  border: 1px solid var(--line-blue);
}

.page-privacy .privacy-flow__step {
  padding: 8px 12px;
  background: var(--space-blue-light);
  border: 1px solid var(--line-blue);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cream-text);
  white-space: nowrap;
}

.page-privacy .privacy-flow__arrow {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--green-neon);
  line-height: 1;
}

/* ---------- 重点声明条 ---------- */
.page-privacy .privacy-notice {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
  padding: 20px;
  background: var(--dark-void);
  border: 1px solid var(--line-blue);
  border-left: 4px solid var(--orange-race);
}

.page-privacy .privacy-notice__mark {
  flex-shrink: 0;
  padding: 4px 10px;
  background: var(--orange-race);
  color: var(--dark-void);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.4;
}

.page-privacy .privacy-notice p {
  margin: 0;
  color: var(--cream-text);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- 通用列表 ---------- */
.page-privacy .privacy-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list li {
  position: relative;
  padding: 12px 16px 12px 20px;
  background: var(--pv-card-alpha);
  border-left: 2px solid var(--green-neon);
  color: var(--cream-text);
  font-size: 14px;
  line-height: 1.7;
}

.page-privacy .privacy-list li strong {
  color: var(--green-neon);
  font-weight: 700;
  margin-right: 4px;
}

/* ---------- 数据安全区块 ---------- */
.page-privacy .privacy-security {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pv-block-gap);
}

.page-privacy .privacy-security__item {
  padding: 20px;
  background: var(--pv-card-alpha);
  border: 1px solid var(--line-blue);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-privacy .privacy-security__item .data-mono {
  display: block;
  margin-bottom: 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--green-neon);
}

.page-privacy .privacy-security__item p {
  margin: 0;
  color: var(--mist-blue);
  font-size: 14px;
  line-height: 1.6;
}

/* ---------- 用户权利 ---------- */
.page-privacy .privacy-rights {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pv-block-gap);
  margin-bottom: 28px;
}

.page-privacy .privacy-rights__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: var(--space-blue-light);
  border: 1px solid var(--line-blue);
}

.page-privacy .privacy-rights__icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  background: var(--orange-race);
  color: var(--dark-void);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
}

.page-privacy .privacy-rights__item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 800;
  color: var(--cream-text);
}

.page-privacy .privacy-rights__item p {
  margin: 0;
  color: var(--mist-blue);
  font-size: 14px;
  line-height: 1.6;
}

/* ---------- 联系卡片 ---------- */
.page-privacy .privacy-contact {
  margin-top: 8px;
  padding: 20px;
  background: rgba(5, 10, 24, 0.6);
  border: 1px dashed var(--line-blue);
}

.page-privacy .privacy-contact__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange-race);
  text-transform: uppercase;
}

.page-privacy .privacy-contact__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-contact__list li {
  font-size: 14px;
  color: var(--cream-text);
  line-height: 1.5;
}

.page-privacy .privacy-contact__list .data-mono {
  color: var(--green-neon);
  font-size: 13px;
}

.page-privacy .privacy-contact__note {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--mist-blue);
  line-height: 1.5;
}

/* ---------- 政策更新区尾注 ---------- */
.page-privacy .privacy-update-note {
  margin-top: 28px;
  padding: 16px 20px;
  background: var(--space-blue-light);
  border-left: 3px solid var(--green-neon);
  font-size: 14px;
  line-height: 1.6;
}

.page-privacy .privacy-update-note p {
  margin: 0;
  color: var(--cream-text);
}

.page-privacy .privacy-update-note a {
  color: var(--orange-race);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.2s ease;
}

.page-privacy .privacy-update-note a:hover {
  color: var(--green-neon);
}

/* ---------- 桌面断点 ---------- */
@media (min-width: 960px) {
  .page-privacy {
    --pv-hero-pad: 72px;
    --pv-block-gap: 20px;
    padding-bottom: 160px;
  }

  .page-privacy .privacy-hero h1 {
    font-size: 56px;
  }

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

  .page-privacy .privacy-hero__meta {
    gap: 12px;
  }

  .page-privacy .privacy-layout {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 80px;
    align-items: start;
    padding-top: 72px;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 100px;
    margin-bottom: 0;
  }

  .page-privacy .privacy-toc__list {
    display: block;
    overflow: visible;
    padding: 0;
    border-top: 1px solid var(--line-blue);
  }

  .page-privacy .privacy-toc__list li {
    flex-shrink: 1;
    border-bottom: 1px solid var(--line-blue);
  }

  .page-privacy .privacy-toc__link {
    display: flex;
    align-items: baseline;
    gap: 12px;
    width: 100%;
    border: none;
    background: none;
    padding: 12px 4px;
    white-space: normal;
  }

  .page-privacy .privacy-toc__link:hover,
  .page-privacy .privacy-toc__link:focus-visible {
    background: none;
    padding-left: 12px;
  }

  .page-privacy .privacy-section {
    margin-bottom: 88px;
  }

  .page-privacy .privacy-section__head h2 {
    font-size: 32px;
  }

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

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

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

  .page-privacy .privacy-notice {
    padding: 24px;
  }
}

/* ---------- 动效与可访问性 ---------- */
@media (prefers-reduced-motion: no-preference) {
  .page-privacy .privacy-hero__meta > span,
  .page-privacy .privacy-block,
  .page-privacy .privacy-security__item,
  .page-privacy .privacy-rights__item {
    transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
  }

  .page-privacy .privacy-hero__meta > span:hover,
  .page-privacy .privacy-block:hover,
  .page-privacy .privacy-security__item:hover,
  .page-privacy .privacy-rights__item:hover {
    transform: translateY(-2px);
    border-color: var(--orange-race);
  }
}