.page-privacy {
  --privacy-measure: 64ch;
  --privacy-track: 34px;
  --privacy-gap: 16px;

  position: relative;
  padding-top: calc(var(--header-h) + clamp(24px, 4.5vw, 52px));
  padding-bottom: clamp(56px, 8vw, 104px);
  background-color: var(--deep-900);
  color: var(--ink);
  overflow-x: hidden;
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 120px 120px;
  opacity: 0.4;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 58%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 58%);
}

.page-privacy > .wrap {
  position: relative;
  z-index: 1;
}

/* ---------- 页首 ---------- */

.page-privacy .policy-hero {
  max-width: 780px;
  margin-top: clamp(18px, 3vw, 32px);
}

.page-privacy .policy-hero::before {
  content: "";
  display: block;
  width: 68px;
  height: 3px;
  margin-bottom: 22px;
  background: linear-gradient(90deg, var(--coral), var(--cyan));
}

.page-privacy .policy-hero h1 {
  margin: 14px 0 18px;
  font-family: var(--font-head);
  font-size: clamp(34px, 6.4vw, 56px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-privacy .policy-hero .lede {
  max-width: 62ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .policy-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 22px 0 0;
}

.page-privacy .policy-meta .meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 顶部视觉 ---------- */

.page-privacy .policy-visual {
  position: relative;
  display: block;
  margin: clamp(30px, 5vw, 52px) 0 clamp(38px, 6vw, 70px);
  border: 1px solid var(--line);
  background-color: var(--deep-800);
}

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

.page-privacy .policy-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.55;
}

/* ---------- 骨架 ---------- */

.page-privacy .policy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-privacy .policy-body {
  min-width: 0;
}

/* ---------- 目录 ---------- */

.page-privacy .policy-toc {
  margin-bottom: 30px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--grid-line);
}

.page-privacy .policy-toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-privacy .policy-toc-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: toc;
}

.page-privacy .policy-toc-list li {
  counter-increment: toc;
}

.page-privacy .policy-toc-list a {
  display: inline-block;
  font-size: 14px;
  line-height: 1.9;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .policy-toc-list a::before {
  content: "0" counter(toc);
  margin-right: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
}

.page-privacy .policy-toc-list a:hover,
.page-privacy .policy-toc-list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 章节 ---------- */

.page-privacy .policy-section {
  display: grid;
  grid-template-columns: var(--privacy-track) minmax(0, 1fr);
  column-gap: var(--privacy-gap);
  padding-block: clamp(30px, 4.6vw, 54px);
  border-top: 1px solid var(--grid-line);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-privacy .policy-body > .policy-section:first-child {
  border-top: 1px solid var(--line);
}

.page-privacy .policy-body > .policy-section:last-child {
  border-bottom: 1px solid var(--line);
}

.page-privacy .policy-no {
  margin: 0;
  padding-top: 7px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.4;
  letter-spacing: 0.1em;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
  transition: color 0.24s var(--ease);
}

.page-privacy .policy-copy {
  min-width: 0;
}

.page-privacy .policy-copy h2 {
  margin: 0 0 16px;
  max-width: var(--privacy-measure);
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 29px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.01em;
}

.page-privacy .policy-copy p {
  max-width: var(--privacy-measure);
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
}

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

.page-privacy .policy-copy strong {
  color: var(--cyan);
  font-weight: 600;
}

.page-privacy .policy-copy a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 229, 212, 0.4);
  transition: border-color 0.2s var(--ease);
}

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

/* ---------- 列表 ---------- */

.page-privacy .policy-list {
  max-width: var(--privacy-measure);
  margin: 20px 0 22px;
  padding: 0;
  list-style: none;
}

.page-privacy .policy-list li {
  position: relative;
  padding: 12px 0 12px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  border-bottom: 1px solid var(--grid-line);
}

.page-privacy .policy-list li:first-child {
  border-top: 1px solid var(--grid-line);
}

.page-privacy .policy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 6px;
  height: 6px;
  background-color: var(--coral);
}

.page-privacy .policy-list strong {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 折叠细节 ---------- */

.page-privacy .policy-fold {
  max-width: var(--privacy-measure);
  margin-top: 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background-color: var(--deep-800);
}

.page-privacy .policy-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 18px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  transition: color 0.2s var(--ease);
}

.page-privacy .policy-fold summary::-webkit-details-marker {
  display: none;
}

.page-privacy .policy-fold summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
}

.page-privacy .policy-fold[open] summary::after {
  content: "\2212";
}

.page-privacy .policy-fold summary:hover,
.page-privacy .policy-fold summary:focus-visible {
  color: var(--cyan);
}

.page-privacy .policy-fold[open] summary {
  border-bottom: 1px solid var(--grid-line);
}

.page-privacy .policy-fold-body {
  padding: 16px 18px 18px;
}

.page-privacy .policy-fold-body p {
  max-width: 60ch;
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-privacy .policy-fold-body p:last-child {
  margin-bottom: 0;
}

/* ---------- 当前章节高亮 ---------- */

.page-privacy .policy-section:target .policy-no {
  color: var(--coral);
}

.page-privacy .policy-section:target .policy-copy h2 {
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */

@media (min-width: 600px) {
  .page-privacy {
    --privacy-track: 48px;
    --privacy-gap: 22px;
  }
}

@media (min-width: 720px) {
  .page-privacy {
    --privacy-track: 60px;
    --privacy-gap: 30px;
  }

  .page-privacy .policy-hero .lede {
    font-size: 17px;
  }
}

@media (min-width: 1040px) {
  .page-privacy .policy-layout {
    grid-template-columns: minmax(0, 1fr) 216px;
    column-gap: clamp(40px, 5vw, 78px);
  }

  .page-privacy .policy-body {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .policy-toc {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
    position: sticky;
    top: calc(var(--header-h) + 26px);
    margin-bottom: 0;
    padding-bottom: 0;
    padding-left: 22px;
    border-bottom: 0;
    border-left: 1px solid var(--grid-line);
  }

  .page-privacy .policy-toc-list {
    display: block;
  }

  .page-privacy .policy-toc-list li {
    margin-bottom: 2px;
  }

  .page-privacy .policy-toc-list a {
    width: 100%;
  }
}

@media (min-width: 1280px) {
  .page-privacy {
    --privacy-track: 72px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .page-privacy {
    scroll-behavior: smooth;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
</final_thought>

.page-privacy {
  --privacy-measure: 64ch;
  --privacy-track: 34px;
  --privacy-gap: 16px;

  position: relative;
  padding-top: calc(var(--header-h) + clamp(24px, 4.5vw, 52px));
  padding-bottom: clamp(56px, 8vw, 104px);
  background-color: var(--deep-900);
  color: var(--ink);
  overflow-x: hidden;
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 120px 120px;
  opacity: 0.4;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 58%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 58%);
}

.page-privacy > .wrap {
  position: relative;
  z-index: 1;
}

/* ---------- 页首 ---------- */

.page-privacy .policy-hero {
  max-width: 780px;
  margin-top: clamp(18px, 3vw, 32px);
}

.page-privacy .policy-hero::before {
  content: "";
  display: block;
  width: 68px;
  height: 3px;
  margin-bottom: 22px;
  background: linear-gradient(90deg, var(--coral), var(--cyan));
}

.page-privacy .policy-hero h1 {
  margin: 14px 0 18px;
  font-family: var(--font-head);
  font-size: clamp(34px, 6.4vw, 56px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-privacy .policy-hero .lede {
  max-width: 62ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .policy-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 22px 0 0;
}

.page-privacy .policy-meta .meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 顶部视觉 ---------- */

.page-privacy .policy-visual {
  position: relative;
  display: block;
  margin: clamp(30px, 5vw, 52px) 0 clamp(38px, 6vw, 70px);
  border: 1px solid var(--line);
  background-color: var(--deep-800);
}

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

.page-privacy .policy-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.55;
}

/* ---------- 骨架 ---------- */

.page-privacy .policy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-privacy .policy-body {
  min-width: 0;
}

/* ---------- 目录 ---------- */

.page-privacy .policy-toc {
  margin-bottom: 30px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--grid-line);
}

.page-privacy .policy-toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-privacy .policy-toc-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: toc;
}

.page-privacy .policy-toc-list li {
  counter-increment: toc;
}

.page-privacy .policy-toc-list a {
  display: inline-block;
  font-size: 14px;
  line-height: 1.9;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .policy-toc-list a::before {
  content: "0" counter(toc);
  margin-right: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
}

.page-privacy .policy-toc-list a:hover,
.page-privacy .policy-toc-list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 章节 ---------- */

.page-privacy .policy-section {
  display: grid;
  grid-template-columns: var(--privacy-track) minmax(0, 1fr);
  column-gap: var(--privacy-gap);
  padding-block: clamp(30px, 4.6vw, 54px);
  border-top: 1px solid var(--grid-line);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-privacy .policy-body > .policy-section:first-child {
  border-top: 1px solid var(--line);
}

.page-privacy .policy-body > .policy-section:last-child {
  border-bottom: 1px solid var(--line);
}

.page-privacy .policy-no {
  margin: 0;
  padding-top: 7px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.4;
  letter-spacing: 0.1em;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
  transition: color 0.24s var(--ease);
}

.page-privacy .policy-copy {
  min-width: 0;
}

.page-privacy .policy-copy h2 {
  margin: 0 0 16px;
  max-width: var(--privacy-measure);
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 29px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.01em;
}

.page-privacy .policy-copy p {
  max-width: var(--privacy-measure);
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
}

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

.page-privacy .policy-copy strong {
  color: var(--cyan);
  font-weight: 600;
}

.page-privacy .policy-copy a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 229, 212, 0.4);
  transition: border-color 0.2s var(--ease);
}

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

/* ---------- 列表 ---------- */

.page-privacy .policy-list {
  max-width: var(--privacy-measure);
  margin: 20px 0 22px;
  padding: 0;
  list-style: none;
}

.page-privacy .policy-list li {
  position: relative;
  padding: 12px 0 12px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  border-bottom: 1px solid var(--grid-line);
}

.page-privacy .policy-list li:first-child {
  border-top: 1px solid var(--grid-line);
}

.page-privacy .policy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 6px;
  height: 6px;
  background-color: var(--coral);
}

.page-privacy .policy-list strong {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 折叠细节 ---------- */

.page-privacy .policy-fold {
  max-width: var(--privacy-measure);
  margin-top: 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background-color: var(--deep-800);
}

.page-privacy .policy-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 18px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  transition: color 0.2s var(--ease);
}

.page-privacy .policy-fold summary::-webkit-details-marker {
  display: none;
}

.page-privacy .policy-fold summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
}

.page-privacy .policy-fold[open] summary::after {
  content: "\2212";
}

.page-privacy .policy-fold summary:hover,
.page-privacy .policy-fold summary:focus-visible {
  color: var(--cyan);
}

.page-privacy .policy-fold[open] summary {
  border-bottom: 1px solid var(--grid-line);
}

.page-privacy .policy-fold-body {
  padding: 16px 18px 18px;
}

.page-privacy .policy-fold-body p {
  max-width: 60ch;
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-privacy .policy-fold-body p:last-child {
  margin-bottom: 0;
}

/* ---------- 当前章节高亮 ---------- */

.page-privacy .policy-section:target .policy-no {
  color: var(--coral);
}

.page-privacy .policy-section:target .policy-copy h2 {
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */

@media (min-width: 600px) {
  .page-privacy {
    --privacy-track: 48px;
    --privacy-gap: 22px;
  }
}

@media (min-width: 720px) {
  .page-privacy {
    --privacy-track: 60px;
    --privacy-gap: 30px;
  }

  .page-privacy .policy-hero .lede {
    font-size: 17px;
  }
}

@media (min-width: 1040px) {
  .page-privacy .policy-layout {
    grid-template-columns: minmax(0, 1fr) 216px;
    column-gap: clamp(40px, 5vw, 78px);
  }

  .page-privacy .policy-body {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .policy-toc {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
    position: sticky;
    top: calc(var(--header-h) + 26px);
    margin-bottom: 0;
    padding-bottom: 0;
    padding-left: 22px;
    border-bottom: 0;
    border-left: 1px solid var(--grid-line);
  }

  .page-privacy .policy-toc-list {
    display: block;
  }

  .page-privacy .policy-toc-list li {
    margin-bottom: 2px;
  }

  .page-privacy .policy-toc-list a {
    width: 100%;
  }
}

@media (min-width: 1280px) {
  .page-privacy {
    --privacy-track: 72px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .page-privacy {
    scroll-behavior: smooth;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}