.page-privacy {
  --pv-line: rgba(169, 180, 176, 0.26);
  --pv-line-strong: rgba(169, 180, 176, 0.52);
  --pv-ink-line: rgba(10, 20, 18, 0.16);
  --pv-ink-line-strong: rgba(10, 20, 18, 0.44);
  background: var(--pitch-900);
  color: var(--fg);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-privacy .privacy-crumbs {
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(2.5rem, 6vw, 5rem);
  overflow: hidden;
}

.page-privacy .privacy-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

.page-privacy .privacy-hero__title {
  margin: clamp(0.75rem, 2vw, 1.25rem) 0 0;
  max-width: 22ch;
}

.page-privacy .privacy-hero__intro {
  margin: clamp(1rem, 2.5vw, 1.5rem) 0 0;
  max-width: 52ch;
  font-size: var(--step-1);
  line-height: 1.7;
  color: var(--muted);
}

.page-privacy .privacy-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(1.5rem, 3vw, 2rem);
}

.page-privacy .privacy-hero__meta {
  margin: 1.25rem 0 0;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-privacy .privacy-hero__figure {
  margin: 0;
}

.page-privacy .privacy-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 要点速览 ---------- */
.page-privacy .privacy-summary {
  background: var(--teal-800);
  border-top: 1px solid var(--pv-line);
  border-bottom: 1px solid var(--pv-line);
  padding: clamp(2rem, 5vw, 3.25rem) 0;
}

.page-privacy .privacy-summary__heading {
  margin: 0.75rem 0 0;
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  font-weight: 300;
  letter-spacing: -0.01em;
}

.page-privacy .privacy-summary__grid {
  display: grid;
  gap: 1.5rem;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-privacy .privacy-summary__num {
  display: block;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--volt);
}

.page-privacy .privacy-summary__title {
  margin: 0.5rem 0 0;
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-privacy .privacy-summary__item p {
  margin: 0.6rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 条款主体 ---------- */
.page-privacy .privacy-terms {
  --pv-line: rgba(10, 20, 18, 0.16);
  --pv-line-strong: rgba(10, 20, 18, 0.44);
  background: var(--paper);
  color: var(--ink);
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(3rem, 7vw, 5.5rem);
}

.page-privacy .privacy-terms__grid {
  display: grid;
  gap: 2rem;
}

.page-privacy .privacy-toc {
  border-top: 1px solid var(--pv-line);
  padding-top: 0.75rem;
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
}

.page-privacy .privacy-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.3rem 0;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.page-privacy .privacy-toc__list a .mono {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: rgba(10, 20, 18, 0.5);
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  color: var(--burgundy-700);
  border-bottom-color: var(--orange);
}

.page-privacy .privacy-article {
  padding: clamp(1.5rem, 3vw, 2rem) 0;
  border-top: 1px solid var(--pv-line);
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
  transition: background-color 0.2s ease;
}

.page-privacy .privacy-article:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .privacy-article:target {
  background: rgba(255, 106, 43, 0.07);
  box-shadow: inset 3px 0 0 var(--orange);
  padding-left: clamp(0.75rem, 2vw, 1.25rem);
  padding-right: clamp(0.5rem, 1.5vw, 1rem);
}

.page-privacy .privacy-article__title {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin: 0;
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.page-privacy .privacy-article__num {
  flex: none;
  font-size: clamp(1.25rem, 2.6vw, 1.875rem);
  line-height: 1;
  color: var(--brass);
  letter-spacing: 0.02em;
}

.page-privacy .privacy-article__body {
  margin-top: 0.9rem;
}

.page-privacy .privacy-article__body p {
  margin: 0 0 0.9rem;
  line-height: 1.85;
}

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

.page-privacy .privacy-article__body strong {
  color: var(--burgundy-700);
  font-weight: 700;
}

.page-privacy .privacy-list {
  margin: 0.5rem 0 1rem;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pv-line);
}

.page-privacy .privacy-list li {
  padding: 0.7rem 0 0.7rem 1.25rem;
  border-bottom: 1px solid var(--pv-line);
  line-height: 1.8;
  position: relative;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.35rem;
  width: 0.5rem;
  height: 1px;
  background: var(--orange);
}

.page-privacy .privacy-defs {
  margin: 0.5rem 0 1.25rem;
  border-top: 1px solid var(--pv-line);
}

.page-privacy .privacy-defs__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.2rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .privacy-defs dt {
  font-size: 0.875rem;
  color: rgba(10, 20, 18, 0.62);
  letter-spacing: 0.02em;
}

.page-privacy .privacy-defs dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--ink);
}

/* ---------- 相关入口 ---------- */
.page-privacy .privacy-related {
  background: var(--indigo-700);
  border-top: 1px solid var(--pv-line);
  padding: clamp(2rem, 5vw, 3.25rem) 0;
}

.page-privacy .privacy-related__title {
  margin: 0.75rem 0 0;
  font-size: clamp(1.25rem, 2.6vw, 1.875rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  max-width: 26ch;
}

.page-privacy .privacy-related__text {
  margin: 1rem 0 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .privacy-related__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 60rem) {
  .page-privacy .privacy-hero::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 44%;
    background: linear-gradient(160deg, var(--teal-800) 0%, var(--pitch-900) 88%);
    clip-path: polygon(16% 0, 100% 0, 100% 100%, 0 100%);
    pointer-events: none;
    z-index: 0;
  }

  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(2.5rem, 5vw, 4.5rem);
  }
}

@media (min-width: 48rem) {
  .page-privacy .privacy-summary__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-privacy .privacy-summary__item {
    padding: 0 1.5rem;
    border-left: 1px solid var(--pv-line);
  }

  .page-privacy .privacy-summary__item:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-privacy .privacy-summary__item:last-child {
    padding-right: 0;
  }

  .page-privacy .privacy-defs__row {
    grid-template-columns: 14rem minmax(0, 1fr);
    gap: 1rem;
    align-items: baseline;
  }
}

@media (min-width: 62rem) {
  .page-privacy .privacy-terms__grid {
    grid-template-columns: 15rem minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 4.5rem);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }

  .page-privacy .privacy-toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

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

  .page-privacy .privacy-toc__list a {
    width: 100%;
    padding: 0.55rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-article,
  .page-privacy .privacy-toc__list a {
    transition: none;
  }
}