.page-privacy {
  --privacy-body: 38em;
  --privacy-num-col: 34px;
  --privacy-panel-line: rgba(107, 255, 208, .18);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-top: clamp(84px, 13vw, 140px);
  padding-bottom: clamp(44px, 7vw, 88px);
  background: linear-gradient(160deg, var(--ink-900) 0%, #082f27 58%, var(--ink-800) 100%);
}

.page-privacy .privacy-hero__img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .38;
}

.page-privacy .privacy-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  display: block;
  background: linear-gradient(155deg, rgba(6, 43, 35, .94) 0%, rgba(6, 43, 35, .62) 48%, rgba(6, 43, 35, .9) 100%);
}

.page-privacy .privacy-hero__veil::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -52%;
  width: 62%;
  height: 150%;
  transform: rotate(9deg);
  background: linear-gradient(180deg, rgba(255, 90, 31, .20), rgba(255, 90, 31, 0) 72%);
}

.page-privacy .privacy-hero__inner {
  position: relative;
}

.page-privacy .privacy-hero__crumb {
  margin-bottom: clamp(22px, 4vw, 40px);
  font-size: 13px;
  color: var(--gray-500);
}

.page-privacy .privacy-hero__crumb a {
  color: var(--cyan-500);
  text-decoration: none;
}

.page-privacy .privacy-hero__crumb a:hover,
.page-privacy .privacy-hero__crumb a:focus-visible {
  color: var(--cyan-300);
  text-decoration: underline;
}

.page-privacy .privacy-hero__crumb span[aria-current] {
  color: var(--mist);
}

.page-privacy .privacy-hero__kicker {
  color: var(--cyan-500);
  margin: 0;
}

.page-privacy .privacy-hero__title {
  margin: 14px 0 0;
  max-width: 20ch;
  font-size: clamp(32px, 6.4vw, 58px);
  line-height: 1.1;
  color: var(--white);
}

.page-privacy .privacy-hero__lead {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 58ch;
  color: var(--mist);
}

.page-privacy .privacy-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(22px, 3.4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 主框架 ---------- */
.page-privacy .privacy-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 6vw, 56px);
  padding-top: clamp(36px, 6vw, 72px);
  padding-bottom: clamp(56px, 9vw, 112px);
}

/* ---------- 正文 ---------- */
.page-privacy .privacy-body {
  min-width: 0;
  max-width: var(--privacy-body);
}

.page-privacy .privacy-chapter {
  display: grid;
  grid-template-columns: var(--privacy-num-col) minmax(0, 1fr);
  column-gap: 14px;
  padding: clamp(28px, 4.6vw, 46px) 0;
  border-top: 1px solid var(--privacy-panel-line);
}

.page-privacy .privacy-chapter:first-child {
  border-top: none;
  padding-top: 0;
}

.page-privacy .privacy-chapter__num {
  grid-column: 1;
  font-size: 22px;
  line-height: 1.1;
  letter-spacing: .02em;
  color: var(--cyan-500);
}

.page-privacy .privacy-chapter__main {
  grid-column: 2;
  min-width: 0;
}

.page-privacy .privacy-chapter__title {
  margin: 0 0 18px;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.28;
  color: var(--white);
}

.page-privacy .privacy-chapter__main p {
  margin: 0 0 1.2em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--mist);
}

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

/* ---------- 关键句 ---------- */
.page-privacy .keyline {
  position: relative;
  margin: 26px 0;
  padding: 6px 0 6px 20px;
  border-left: 2px solid var(--cyan-500);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.7;
  color: var(--white);
}

.page-privacy .keyline__note {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .08em;
  line-height: 1.7;
  color: var(--gray-500);
  overflow-wrap: anywhere;
}

/* ---------- 折叠说明的间距微调 ---------- */
.page-privacy .privacy-chapter__main .fold {
  margin: 24px 0;
}

/* ---------- 收束句 ---------- */
.page-privacy .privacy-outro {
  margin: clamp(36px, 5vw, 60px) 0 0;
  padding-top: clamp(28px, 4vw, 40px);
  border-top: 2px solid var(--cyan-500);
  max-width: var(--privacy-body);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 800;
  line-height: 1.5;
  color: var(--white);
}

/* ---------- 侧栏目录 ---------- */
.page-privacy .privacy-toc {
  padding: 18px 16px 20px;
  border: 1px solid var(--privacy-panel-line);
  border-radius: 4px;
  background: var(--panel);
}

.page-privacy .privacy-toc__title {
  margin: 0 0 12px;
  color: var(--gold-400);
}

.page-privacy .privacy-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
  counter-reset: none;
}

.page-privacy .privacy-toc__list a {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  align-items: baseline;
  gap: 8px;
  padding: 7px 8px;
  border-radius: 3px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  transition: background-color .2s var(--ease), color .2s var(--ease);
}

.page-privacy .privacy-toc__num {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan-500);
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  background: rgba(18, 224, 176, .10);
  color: var(--cyan-300);
}

.page-privacy .privacy-toc__list a:hover .privacy-toc__num,
.page-privacy .privacy-toc__list a:focus-visible .privacy-toc__num {
  color: var(--cyan-300);
}

.page-privacy .privacy-toc__top {
  display: block;
  width: 100%;
  margin-top: 16px;
  text-align: center;
}

.page-privacy .privacy-toc__rel {
  display: grid;
  gap: 1px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--privacy-panel-line);
}

.page-privacy .privacy-toc__rel a {
  padding: 5px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gray-500);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-privacy .privacy-toc__rel a:hover,
.page-privacy .privacy-toc__rel a:focus-visible {
  color: var(--cyan-300);
}

/* ---------- 窄屏适配 ---------- */
@media (max-width: 479px) {
  .page-privacy {
    --privacy-num-col: 26px;
  }

  .page-privacy .privacy-chapter {
    column-gap: 10px;
  }

  .page-privacy .privacy-chapter__num {
    font-size: 17px;
  }

  .page-privacy .privacy-chapter__main p,
  .page-privacy .keyline {
    font-size: 16px;
  }
}

/* ---------- 桌面：目录固定 ---------- */
@media (min-width: 1040px) {
  .page-privacy .privacy-shell {
    grid-template-columns: minmax(0, 1fr) 244px;
    column-gap: clamp(48px, 5vw, 80px);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 96px;
  }

  .page-privacy .privacy-body {
    max-width: calc(var(--privacy-body) + var(--privacy-num-col) + 14px);
  }

  .page-privacy .privacy-chapter {
    grid-template-columns: 44px minmax(0, 1fr);
    column-gap: 20px;
  }

  .page-privacy .privacy-chapter__num {
    font-size: 28px;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__list a,
  .page-privacy .privacy-toc__rel a {
    transition: none;
  }
}