.page-privacy {
  --privacy-measure: 38em;
  --privacy-rule: rgba(34, 48, 76, 0.85);
  position: relative;
  overflow-x: clip;
}

/* ---------- 面包屑与首屏 ---------- */
.page-privacy .privacy-crumb {
  padding-top: 26px;
}

.page-privacy .privacy-hero {
  padding: 40px 0 26px;
}

.page-privacy .privacy-hero::after {
  content: "";
  display: block;
  width: 68px;
  height: 3px;
  margin-top: 28px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
}

.page-privacy .privacy-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(38px, 8vw, 76px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-privacy .privacy-lede {
  max-width: 40em;
  margin: 20px 0 0;
  font-size: clamp(16px, 2.2vw, 19px);
  font-weight: 300;
  line-height: 1.75;
  color: var(--gray);
}

/* ---------- 顶部窄幅底图 ---------- */
.page-privacy .privacy-banner {
  aspect-ratio: 4 / 1;
  margin: 6px 0 0;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

@media (max-width: 700px) {
  .page-privacy .privacy-banner {
    aspect-ratio: 16 / 9;
  }
}

/* ---------- 主体双列 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
  margin-top: 44px;
  padding-bottom: 96px;
}

/* ---------- 章节索引 ---------- */
.page-privacy .privacy-index__label {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gray);
}

.page-privacy .privacy-index ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.page-privacy .privacy-index a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 3px 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray);
  text-decoration: none;
  transition: color 160ms var(--ease);
}

.page-privacy .privacy-index a span {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--cyan);
  opacity: 0.7;
}

.page-privacy .privacy-index a:hover,
.page-privacy .privacy-index a:focus-visible {
  color: var(--cyan);
}

.page-privacy .privacy-backtop {
  display: none;
  align-items: center;
  gap: 6px;
  margin-top: 22px;
  padding: 6px 14px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--gray);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-privacy .privacy-backtop:hover,
.page-privacy .privacy-backtop:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 正文章节 ---------- */
.page-privacy .privacy-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 34px 0 30px;
  border-top: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-section:first-child {
  padding-top: 26px;
}

.page-privacy .privacy-no {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-privacy .privacy-section__main {
  min-width: 0;
}

.page-privacy .privacy-section h2 {
  margin: 0;
  font-size: clamp(21px, 3.4vw, 27px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--white);
}

.page-privacy .privacy-section .prose {
  max-width: var(--privacy-measure);
  margin: 14px 0 0;
  font-size: 15.5px;
  font-weight: 300;
  line-height: 1.85;
  color: var(--gray);
}

.page-privacy .privacy-section .prose p {
  margin: 0;
}

.page-privacy .privacy-section .prose p + p {
  margin-top: 14px;
}

.page-privacy .privacy-section .prose ul {
  display: grid;
  gap: 9px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-section .prose li {
  position: relative;
  padding-left: 20px;
}

.page-privacy .privacy-section .prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
  opacity: 0.75;
}

.page-privacy .privacy-section .prose a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 210, 0.34);
  transition: border-color 160ms var(--ease);
}

.page-privacy .privacy-section .prose a:hover,
.page-privacy .privacy-section .prose a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 联系邮箱条 ---------- */
.page-privacy .privacy-contact-mail {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  max-width: var(--privacy-measure);
  margin: 18px 0 0;
  padding: 16px 18px;
  background: linear-gradient(135deg, rgba(19, 28, 49, 0.95), rgba(11, 18, 32, 0.7));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-privacy .privacy-contact-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-privacy .privacy-mail {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--white);
  word-break: break-all;
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 700px) {
  .page-privacy .privacy-section {
    grid-template-columns: 62px minmax(0, 1fr);
    gap: 26px;
    padding: 40px 0 36px;
  }

  .page-privacy .privacy-no {
    padding-top: 7px;
  }
}

/* ---------- 桌面双列与粘性索引 ---------- */
@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) 214px;
    gap: 72px;
    margin-top: 56px;
  }

  .page-privacy .privacy-body {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .privacy-index {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 104px;
    padding-left: 20px;
    border-left: 1px solid var(--line);
  }

  .page-privacy .privacy-index ol {
    display: grid;
    gap: 2px;
  }

  .page-privacy .privacy-index a {
    width: 100%;
  }

  .page-privacy .privacy-backtop {
    display: inline-flex;
  }
}

@media (min-width: 1180px) {
  .page-privacy {
    --privacy-measure: 40em;
  }
}