.page-privacy {
  --doc-w: 68ch;
  --toc-w: 200px;
  --hair: rgba(42, 58, 99, 0.42);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 104px);
}

/* ---------- 首屏 ---------- */
.page-privacy .doc-hero {
  max-width: 1240px;
  margin-inline: auto;
  padding: clamp(28px, 5vw, 60px) var(--pad) clamp(22px, 3vw, 34px);
  display: grid;
  gap: clamp(14px, 2vw, 22px);
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .doc-hero .breadcrumbs {
  margin: 0;
}

.page-privacy .doc-hero__kicker {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-privacy .doc-hero h1 {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 6.2vw, 74px);
  line-height: 1.02;
  letter-spacing: 0.005em;
  color: var(--paper);
  text-wrap: balance;
}

.page-privacy .doc-hero h1 span {
  display: inline-block;
  color: var(--amber);
}

.page-privacy .doc-hero .lede {
  margin: 0;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .doc-hero__figure {
  margin: clamp(6px, 1.6vw, 14px) 0 0;
  border: var(--edge);
  box-shadow: var(--shadow-hard);
  background: var(--ink-2);
}

.page-privacy .doc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-privacy .doc-hero__figure .media__caption {
  display: block;
  border-top: 1px solid var(--line);
  padding: 10px 14px;
  background: var(--ink-2);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 文档骨架 ---------- */
.page-privacy .doc-shell {
  max-width: 1240px;
  margin-inline: auto;
  padding: clamp(26px, 4vw, 52px) var(--pad) 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 44px);
}

/* ---------- 目录 ---------- */
.page-privacy .doc-aside {
  align-self: start;
  min-width: 0;
}

.page-privacy .doc-toc {
  border-top: 2px solid var(--signal);
  padding-top: 14px;
}

.page-privacy .doc-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.page-privacy .doc-toc__list a {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.45;
  transition: color 120ms ease, border-color 120ms ease, background 120ms ease;
}

.page-privacy .doc-toc__num {
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--amber);
}

.page-privacy .doc-toc__list a:hover,
.page-privacy .doc-toc__list a:focus-visible {
  color: var(--paper);
  border-left-color: var(--signal);
  background: rgba(0, 240, 181, 0.07);
}

.page-privacy .doc-toc__list a:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

/* ---------- 正文 ---------- */
.page-privacy .doc-body {
  max-width: var(--doc-w);
  min-width: 0;
  display: grid;
  gap: clamp(30px, 5vw, 54px);
}

.page-privacy .clause {
  scroll-margin-top: 24px;
  border-top: 1px solid var(--line-soft);
  padding-top: clamp(18px, 2.6vw, 26px);
  transition: border-color 160ms ease;
}

.page-privacy .clause:target {
  border-top-color: var(--signal);
}

.page-privacy .clause:target .clause__num {
  color: var(--signal);
}

.page-privacy .clause__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.1;
  color: var(--paper);
}

.page-privacy .clause__num {
  flex: none;
  font-family: var(--font-num);
  font-weight: 500;
  font-size: clamp(13px, 1.5vw, 17px);
  letter-spacing: 0.06em;
  color: var(--signal);
  transition: color 160ms ease;
}

.page-privacy .clause__lede {
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--paper);
}

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

.page-privacy .fact-list__item {
  position: relative;
  padding: 14px 0 14px 26px;
  border-top: 1px solid var(--hair);
  display: grid;
  gap: 5px;
}

.page-privacy .fact-list__item:first-child {
  border-top-color: var(--line-soft);
}

.page-privacy .fact-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 12px;
  height: 2px;
  background: var(--line);
  transition: width 140ms ease, background 140ms ease;
}

.page-privacy .fact-list__item:hover::before,
.page-privacy .fact-list__item:focus-within::before {
  width: 18px;
  background: var(--signal);
}

.page-privacy .fact-list__label {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-privacy .fact-list__item p {
  margin: 0;
  font-size: 16px;
  line-height: 1.82;
  color: var(--muted);
}

.page-privacy .fact-list__item a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 240, 181, 0.4);
  transition: border-color 120ms ease, color 120ms ease;
}

.page-privacy .fact-list__item a:hover,
.page-privacy .fact-list__item a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--amber);
}

/* ---------- 页尾条目 ---------- */
.page-privacy .doc-tail {
  border-top: 2px solid var(--amber);
  background: linear-gradient(180deg, rgba(255, 176, 32, 0.07), rgba(255, 176, 32, 0));
  padding: clamp(18px, 2.6vw, 26px) 0 4px;
  display: grid;
  gap: 16px;
}

.page-privacy .doc-tail__lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .doc-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 窄屏 ---------- */
@media (max-width: 899px) {
  .page-privacy .doc-toc__list {
    grid-auto-flow: column;
    grid-auto-columns: minmax(168px, 1fr);
    overflow-x: auto;
    max-width: 100%;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }

  .page-privacy .doc-toc__list a {
    border-left: none;
    border-bottom: 2px solid transparent;
    grid-template-columns: 22px minmax(0, 1fr);
  }

  .page-privacy .doc-toc__list a:hover,
  .page-privacy .doc-toc__list a:focus-visible {
    border-left-color: transparent;
    border-bottom-color: var(--signal);
  }

  .page-privacy .doc-hero h1 {
    max-width: 100%;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-privacy .doc-shell {
    grid-template-columns: var(--toc-w) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 76px);
  }

  .page-privacy .doc-aside {
    position: sticky;
    top: 28px;
  }
}