.page-privacy {
  --priv-toc: 236px;
  --priv-gap: 56px;
  background: var(--im-paper-50);
  color: var(--im-ink-900);
  font-family: var(--im-font-body);
  line-height: 1.85;
}

.page-privacy img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  background: var(--im-ink-900);
  color: var(--im-white-ink);
  padding: clamp(22px, 4vw, 40px) 0 clamp(28px, 5vw, 56px);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(79, 227, 193, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 227, 193, .07) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}

.page-privacy .privacy-hero .container {
  position: relative;
  z-index: 1;
}

.page-privacy .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .78rem;
}

.page-privacy .breadcrumbs a {
  color: rgba(233, 243, 239, .68);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--im-ease), border-color .18s var(--im-ease);
}

.page-privacy .breadcrumbs a:hover,
.page-privacy .breadcrumbs a:focus-visible {
  color: var(--im-teal-200);
  border-bottom-color: var(--im-teal-400);
}

.page-privacy .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(233, 243, 239, .38);
}

.page-privacy .breadcrumbs li[aria-current] {
  color: var(--im-teal-200);
}

.page-privacy .hero-chip {
  display: inline-block;
  margin: clamp(20px, 3vw, 32px) 0 0;
  border-color: var(--im-line-dark);
  color: var(--im-teal-200);
}

.page-privacy .hero-title {
  margin: .55em 0 0;
  max-width: 22ch;
  font-family: var(--im-font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5.4vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--im-white-ink);
}

.page-privacy .hero-lead {
  margin: 1.1em 0 0;
  max-width: 58ch;
  font-size: clamp(.95rem, 1.6vw, 1.05rem);
  color: rgba(233, 243, 239, .82);
}

.page-privacy .hero-figure {
  margin: clamp(24px, 4vw, 40px) 0 0;
  border: 1px solid var(--im-line-dark);
  border-radius: var(--im-radius-m);
  overflow: hidden;
  background: var(--im-ink-700);
}

.page-privacy .hero-figure img {
  display: block;
  width: 100%;
  height: clamp(170px, 30vw, 320px);
  object-fit: cover;
  opacity: .92;
}

.page-privacy .hero-meta {
  margin: 14px 0 0;
  font-family: var(--im-font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: rgba(169, 243, 226, .72);
}

/* ---------- 三类信息 ---------- */
.page-privacy .privacy-cats {
  padding: clamp(40px, 6vw, 76px) 0 clamp(28px, 4vw, 48px);
  background: var(--im-paper-50);
}

.page-privacy .privacy-cats .section-head {
  max-width: 62ch;
}

.page-privacy .privacy-cats .section-title {
  font-family: var(--im-font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.2vw, 2.15rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  margin: 0;
}

.page-privacy .privacy-cats .section-lead {
  margin: .8em 0 0;
  color: var(--im-ink-500);
  font-size: .96rem;
}

.page-privacy .cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-privacy .cat-card {
  position: relative;
  padding: 22px 20px 24px;
  background: #fff;
  border: 1px solid var(--im-line-strong);
  border-left: 3px solid var(--im-teal-400);
  border-radius: var(--im-radius-m);
  box-shadow: var(--im-shadow-paper);
  transition: transform .18s var(--im-ease), border-color .18s var(--im-ease);
}

.page-privacy .cat-card:hover {
  transform: translateY(-2px);
  border-color: var(--im-teal-400);
}

.page-privacy .cat-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: var(--im-radius-s);
  background: var(--im-paper-100);
  color: var(--im-ink-700);
}

.page-privacy .cat-card h3 {
  margin: 14px 0 6px;
  font-family: var(--im-font-display);
  font-size: 1.15rem;
  letter-spacing: .01em;
  color: var(--im-ink-900);
}

.page-privacy .cat-card p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--im-ink-700);
}

.page-privacy .cat-note {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--im-orange-500);
  background: var(--im-paper-100);
  border-radius: 0 var(--im-radius-s) var(--im-radius-s) 0;
  font-size: .84rem;
  color: var(--im-gray-500);
}

/* ---------- 正文与目录 ---------- */
.page-privacy .privacy-body {
  padding: clamp(16px, 3vw, 32px) 0 clamp(56px, 8vw, 96px);
}

.page-privacy .body-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-privacy .toc {
  border: 1px solid var(--im-line-strong);
  border-radius: var(--im-radius-m);
  background: #fff;
  padding: 16px 16px 12px;
}

.page-privacy .toc-title {
  margin: 0 0 10px;
  font-family: var(--im-font-mono);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--im-gray-500);
}

.page-privacy .toc-list {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .toc-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 11px;
  border: 1px solid var(--im-line);
  border-radius: var(--im-radius-pill);
  font-size: .82rem;
  color: var(--im-ink-700);
  text-decoration: none;
  white-space: nowrap;
  transition: background .18s var(--im-ease), color .18s var(--im-ease), border-color .18s var(--im-ease);
}

.page-privacy .toc-link .num {
  font-family: var(--im-font-mono);
  font-size: .72rem;
  color: var(--im-gray-500);
}

.page-privacy .toc-link:hover,
.page-privacy .toc-link:focus-visible {
  background: var(--im-teal-200);
  border-color: var(--im-teal-400);
  color: var(--im-ink-900);
}

.page-privacy .toc-link:focus-visible {
  outline: 2px solid var(--im-teal-400);
  outline-offset: 2px;
}

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

.page-privacy .doc-sec {
  padding: 26px 0 4px;
  border-top: 1px solid var(--im-line);
  margin-bottom: clamp(30px, 4vw, 46px);
}

.page-privacy .doc-sec:first-child {
  border-top: none;
  padding-top: 4px;
}

.page-privacy .doc-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-privacy .doc-num {
  font-family: var(--im-font-mono);
  font-size: .92rem;
  font-weight: 500;
  color: var(--im-ink-500);
  padding: 2px 8px;
  border: 1px solid var(--im-line-strong);
  border-radius: var(--im-radius-s);
  background: var(--im-paper-100);
}

.page-privacy .doc-title {
  margin: 0;
  font-family: var(--im-font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -.005em;
  color: var(--im-ink-900);
}

.page-privacy .doc-sub {
  margin: 1.6em 0 .45em;
  font-size: 1rem;
  font-weight: 700;
  color: var(--im-ink-900);
  padding-left: 10px;
  border-left: 3px solid var(--im-teal-400);
}

.page-privacy .doc p {
  margin: 0 0 1.05em;
  max-width: 60ch;
  font-size: .96rem;
  line-height: 1.9;
  color: var(--im-ink-700);
}

.page-privacy .doc p strong {
  color: var(--im-ink-900);
}

.page-privacy .doc a {
  color: var(--im-ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--im-teal-400);
  transition: background .18s var(--im-ease);
}

.page-privacy .doc a:hover,
.page-privacy .doc a:focus-visible {
  background: rgba(169, 243, 226, .6);
}

.page-privacy .doc a:focus-visible {
  outline: 2px solid var(--im-teal-400);
  outline-offset: 2px;
}

.page-privacy .doc-note {
  margin: 1.3em 0 0;
  padding: 14px 16px;
  max-width: 60ch;
  background: var(--im-paper-100);
  border-left: 2px solid var(--im-ink-500);
  border-radius: 0 var(--im-radius-s) var(--im-radius-s) 0;
  font-size: .85rem;
  line-height: 1.8;
  color: var(--im-gray-500);
}

/* 术语标注 */
.page-privacy .term {
  position: relative;
  padding: 0 2px;
  background: rgba(169, 243, 226, .55);
  border-bottom: 1px dashed var(--im-ink-500);
  border-radius: 2px;
  cursor: help;
}

.page-privacy .term::after {
  content: attr(data-tip);
  position: absolute;
  left: 50%;
  top: calc(100% + 8px);
  transform: translateX(-50%);
  width: max-content;
  max-width: min(240px, 62vw);
  padding: 9px 11px;
  border-radius: var(--im-radius-s);
  background: var(--im-ink-700);
  color: var(--im-white-ink);
  font-size: .74rem;
  line-height: 1.6;
  text-align: left;
  opacity: 0;
  visibility: hidden;
  transition: opacity .16s var(--im-ease), visibility .16s var(--im-ease);
  z-index: 5;
  pointer-events: none;
}

.page-privacy .term:hover::after {
  opacity: 1;
  visibility: visible;
}

.page-privacy .doc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 1.8em;
}

/* ---------- 桌面档 ---------- */
@media (min-width: 720px) {
  .page-privacy .cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-privacy .body-grid {
    grid-template-columns: var(--priv-toc) minmax(0, 1fr);
    gap: var(--priv-gap);
    align-items: start;
  }

  .page-privacy .toc {
    position: sticky;
    top: 96px;
    padding: 20px 18px 16px;
  }

  .page-privacy .toc-list {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    gap: 2px;
    overflow-x: visible;
  }

  .page-privacy .toc-link {
    display: flex;
    width: 100%;
    border: 1px solid transparent;
    border-radius: var(--im-radius-s);
    white-space: normal;
    padding: 8px 10px;
  }

  .page-privacy .doc {
    max-width: 72ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .cat-card,
  .page-privacy .toc-link,
  .page-privacy .term::after,
  .page-privacy .doc a,
  .page-privacy .breadcrumbs a {
    transition: none;
  }

  .page-privacy .cat-card:hover {
    transform: none;
  }
}