.page-privacy {
  --prv-gap: clamp(1.25rem, 3vw, 2.5rem);
}

/* ---------- 首屏 ---------- */
.page-privacy .prv-hero {
  padding: clamp(1.75rem, 4vw, 3rem) 0 clamp(2rem, 4vw, 3.25rem);
  border-bottom: 1px solid var(--rb-line);
}

.page-privacy .prv-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prv-gap);
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-privacy .prv-hero__title {
  font-family: var(--rb-font-sans);
  font-weight: 300;
  font-size: clamp(2rem, 6vw, 3.75rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0.75rem 0 1rem;
  max-width: 20ch;
}

.page-privacy .prv-hero__body .rb-lede {
  max-width: 46ch;
}

.page-privacy .prv-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--rb-graphite);
}

.page-privacy .prv-hero__figure {
  margin: 0;
  border-radius: var(--rb-r-lg);
  overflow: hidden;
  border: 1px solid var(--rb-line);
  background: var(--rb-paper);
}

.page-privacy .prv-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-privacy .prv-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: center;
  }
}

/* ---------- 主体两栏 ---------- */
.page-privacy .prv-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prv-gap);
  padding-top: clamp(2rem, 5vw, 3.5rem);
  padding-bottom: clamp(3rem, 6vw, 6rem);
}

@media (min-width: 960px) {
  .page-privacy .prv-body {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 4.5rem);
  }
}

/* ---------- 目录 ---------- */
.page-privacy .prv-toc {
  align-self: start;
}

.page-privacy .prv-toc__label {
  margin: 0 0 0.75rem;
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  color: var(--rb-graphite);
}

.page-privacy .prv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: 0.4rem;
}

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

.page-privacy .prv-toc__link {
  display: block;
  white-space: nowrap;
  padding: 0.42rem 0.9rem;
  border: 1px solid var(--rb-line);
  border-radius: var(--rb-r-pill);
  font-size: 0.82rem;
  color: var(--rb-ink);
  text-decoration: none;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.page-privacy .prv-toc__link:hover,
.page-privacy .prv-toc__link:focus-visible {
  border-color: var(--rb-red);
  color: var(--rb-red);
}

.page-privacy .prv-toc__link[aria-current="true"] {
  background: var(--rb-navy);
  border-color: var(--rb-navy);
  color: var(--rb-paper);
}

@media (min-width: 960px) {
  .page-privacy .prv-toc {
    position: sticky;
    top: calc(var(--rb-header-h) + 1.5rem);
  }

  .page-privacy .prv-toc__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    gap: 0.3rem;
  }

  .page-privacy .prv-toc__list li {
    flex: 1 1 auto;
  }

  .page-privacy .prv-toc__link {
    border: none;
    border-left: 2px solid var(--rb-line);
    border-radius: 0;
    padding: 0.4rem 0 0.4rem 0.85rem;
    font-size: 0.86rem;
    color: var(--rb-graphite);
  }

  .page-privacy .prv-toc__link:hover,
  .page-privacy .prv-toc__link:focus-visible {
    border-left-color: var(--rb-red);
    background: transparent;
  }

  .page-privacy .prv-toc__link[aria-current="true"] {
    background: transparent;
    border-left-color: var(--rb-red);
    color: var(--rb-ink);
    font-weight: 700;
  }
}

/* ---------- 章节 ---------- */
.page-privacy .prv-chapter {
  padding: clamp(1.75rem, 3.5vw, 2.75rem) 0;
  border-top: 1px solid var(--rb-line);
  scroll-margin-top: calc(var(--rb-header-h) + 1.5rem);
}

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

.page-privacy .prv-chapter__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.4rem 1rem;
  margin-bottom: clamp(1.25rem, 2.5vw, 1.85rem);
}

.page-privacy .prv-chapter__num {
  grid-row: span 2;
  font-family: var(--rb-font-num);
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  font-weight: 400;
  line-height: 1;
  color: var(--rb-orange);
  letter-spacing: 0.02em;
}

.page-privacy .prv-chapter__title {
  margin: 0;
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  font-weight: 500;
  line-height: 1.32;
}

.page-privacy .prv-chapter__sum {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--rb-graphite);
}

/* ---------- 收集范围卡片 ---------- */
.page-privacy .prv-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

@media (min-width: 640px) {
  .page-privacy .prv-items {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-privacy .prv-item {
  background: var(--rb-paper);
  border: 1px solid var(--rb-line);
  border-radius: var(--rb-r-md);
  padding: 1.15rem 1.25rem;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-privacy .prv-item:hover,
.page-privacy .prv-item:focus-within {
  transform: translateY(-3px);
  border-color: var(--rb-red);
  box-shadow: 0 12px 26px -20px rgba(27, 22, 17, 0.5);
}

.page-privacy .prv-item__title {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;
}

.page-privacy .prv-item p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--rb-graphite);
}

/* ---------- 使用目的 ---------- */
.page-privacy .prv-uses {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

@media (min-width: 760px) {
  .page-privacy .prv-uses {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-privacy .prv-use {
  border-radius: var(--rb-r-md);
  padding: 1.2rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.page-privacy .prv-use__tag {
  margin: 0;
  font-family: var(--rb-font-num);
  font-size: 1rem;
  letter-spacing: 0.06em;
}

.page-privacy .prv-use p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
}

.page-privacy .prv-use--navy {
  background: var(--rb-navy);
  border: 1px solid var(--rb-navy);
  color: var(--rb-paper);
}

.page-privacy .prv-use--navy .prv-use__tag {
  color: var(--rb-cyan);
}

.page-privacy .prv-use--navy p {
  color: rgba(255, 252, 246, 0.82);
}

.page-privacy .prv-use--cream {
  background: var(--rb-cream);
  border: 1px solid var(--rb-line-strong);
  color: var(--rb-ink);
}

.page-privacy .prv-use--cream .prv-use__tag {
  color: var(--rb-red);
}

.page-privacy .prv-use--cream p {
  color: var(--rb-graphite);
}

.page-privacy .prv-footnote {
  margin: 1.25rem 0 0;
  padding-left: 1rem;
  border-left: 2px solid var(--rb-orange);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--rb-graphite);
  max-width: 62ch;
}

/* ---------- Cookie 说明列表 ---------- */
.page-privacy .prv-notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rb-line);
}

.page-privacy .prv-note {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.3rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--rb-line);
}

.page-privacy .prv-note__k {
  font-family: var(--rb-font-num);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  color: var(--rb-red);
}

.page-privacy .prv-note__v {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--rb-graphite);
  max-width: 62ch;
}

@media (min-width: 720px) {
  .page-privacy .prv-note {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 1.25rem;
    align-items: baseline;
  }
}

/* ---------- 表格辅助 ---------- */
.page-privacy .prv-caption {
  caption-side: top;
  text-align: left;
  padding: 0 0 0.75rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--rb-graphite);
}

.page-privacy .rb-table td,
.page-privacy .rb-table th {
  vertical-align: top;
}

/* ---------- 折叠问答 ---------- */
.page-privacy .prv-faq {
  display: grid;
  gap: 0.7rem;
}

.page-privacy .prv-faq details {
  background: var(--rb-paper);
  border: 1px solid var(--rb-line);
  border-radius: var(--rb-r-md);
  overflow: hidden;
  transition: border-color 0.18s ease;
}

.page-privacy .prv-faq details[open] {
  border-color: var(--rb-red);
}

.page-privacy .prv-faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.2rem;
  font-weight: 500;
  font-size: 0.98rem;
}

.page-privacy .prv-faq summary::-webkit-details-marker {
  display: none;
}

.page-privacy .prv-faq summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--rb-font-num);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--rb-red);
}

.page-privacy .prv-faq details[open] summary::after {
  content: "−";
}

.page-privacy .prv-faq__body {
  padding: 0 1.2rem 1.15rem;
}

.page-privacy .prv-faq__body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--rb-graphite);
  max-width: 60ch;
}

.page-privacy .rb-mono {
  font-family: var(--rb-font-mono);
  font-size: 0.92em;
  word-break: break-all;
}

/* ---------- 版本记录 ---------- */
.page-privacy .prv-versions {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
}

.page-privacy .prv-ver {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem;
  padding: 0.95rem 1.15rem;
  border-radius: var(--rb-r-sm);
  background: var(--rb-paper);
  border: 1px solid var(--rb-line);
  border-left: 4px solid var(--rb-orange);
}

.page-privacy .prv-ver--current {
  border-left-color: var(--rb-red);
  background: var(--rb-cream);
}

.page-privacy .prv-ver__code {
  font-family: var(--rb-font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  color: var(--rb-navy);
}

.page-privacy .prv-ver--current .prv-ver__code {
  color: var(--rb-red);
}

.page-privacy .prv-ver__note {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--rb-graphite);
  max-width: 60ch;
}

@media (min-width: 640px) {
  .page-privacy .prv-ver {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 1.25rem;
    align-items: baseline;
  }
}

/* ---------- 联系块 ---------- */
.page-privacy .prv-contact {
  background: var(--rb-navy);
  border-radius: var(--rb-r-lg);
  padding: clamp(1.4rem, 3vw, 2.1rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.35rem;
}

@media (min-width: 720px) {
  .page-privacy .prv-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.6rem 2rem;
  }
}

.page-privacy .prv-contact__k {
  margin: 0 0 0.35rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: rgba(255, 252, 246, 0.55);
}

.page-privacy .prv-contact__v {
  margin: 0;
  font-family: var(--rb-font-mono);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--rb-paper);
  word-break: break-word;
}

.page-privacy .prv-contact__v a {
  color: var(--rb-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 223, 207, 0.4);
}

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

.page-privacy #ch-contact .prv-footnote {
  border-left-color: var(--rb-red);
  margin-top: 1.4rem;
}

.page-privacy .prv-footnote .rb-link {
  color: var(--rb-red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 焦点可见 ---------- */
.page-privacy a:focus-visible,
.page-privacy summary:focus-visible,
.page-privacy .prv-toc__link:focus-visible {
  outline: 2px solid var(--rb-red);
  outline-offset: 2px;
  border-radius: var(--rb-r-xs);
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .prv-item,
  .page-privacy .prv-toc__link,
  .page-privacy .prv-faq details {
    transition: none;
  }

  .page-privacy .prv-item:hover,
  .page-privacy .prv-item:focus-within {
    transform: none;
  }
}
<<<END>>>