.page-privacy {
  --pv-paper: var(--c-paper);
  --pv-ink-soft: var(--c-ink-2);
  --pv-hairline: var(--c-line-faint);
  background: var(--c-ink);
  color: var(--c-paper);
}

/* ---------- 页首色带 ---------- */
.page-privacy .pv-hero {
  position: relative;
  background:
    radial-gradient(120% 90% at 88% -30%, rgba(107, 255, 196, 0.12), transparent 62%),
    radial-gradient(80% 60% at 5% 110%, rgba(255, 138, 61, 0.08), transparent 70%),
    var(--c-ink);
  border-bottom: 1px solid var(--c-line-soft);
  padding: clamp(1.75rem, 5vw, 3rem) 0 clamp(2rem, 4.5vw, 3.25rem);
}

.page-privacy .pv-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.15rem, 7.2vw, 4.6rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0.55rem 0 0;
  color: var(--c-paper);
}

.page-privacy .pv-hero__lede {
  max-width: 54ch;
  margin: 1.1rem 0 0;
  font-size: clamp(0.95rem, 2.4vw, 1.0625rem);
  line-height: 1.85;
  color: var(--c-cream-2);
}

.page-privacy .pv-keys {
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: clamp(1rem, 2.5vw, 1.35rem) 0 0;
  border-top: 1px solid var(--c-line-faint);
  display: grid;
  gap: 0.85rem;
  grid-template-columns: 1fr;
}

.page-privacy .pv-keys__item {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.7rem;
  align-items: baseline;
}

.page-privacy .pv-keys__n {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--c-mint);
}

.page-privacy .pv-keys__t {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--c-muted);
}

/* ---------- 纸面正文区 ---------- */
.page-privacy .pv-body {
  background: var(--pv-paper);
  color: var(--pv-ink-soft);
  padding: clamp(1.75rem, 4.5vw, 3.5rem) 0 clamp(2.5rem, 6vw, 4.5rem);
}

.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: start;
}

/* ---------- 目录 ---------- */
.page-privacy .pv-rail {
  min-width: 0;
}

.page-privacy .pv-toc {
  background: var(--c-cream);
  border: 1px solid var(--pv-hairline);
  padding: 0.85rem 1rem;
}

.page-privacy .pv-toc__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--c-ink-3);
}

.page-privacy .pv-toc__summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pv-toc__summary::after {
  content: "展开";
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--c-ink-3);
}

.page-privacy .pv-toc[open] > .pv-toc__summary::after {
  content: "收起";
}

.page-privacy .pv-toc__list {
  list-style: none;
  margin: 0.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.125rem;
}

.page-privacy .pv-toc__link {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.48rem 0.4rem;
  border-left: 2px solid transparent;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--c-ink-3);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .pv-toc__link:hover {
  color: var(--c-ink);
  background: rgba(63, 207, 154, 0.14);
}

.page-privacy .pv-toc__link[aria-current="true"] {
  border-left-color: var(--c-mint-2);
  background: rgba(63, 207, 154, 0.16);
  color: var(--c-ink);
  font-weight: 700;
}

.page-privacy .pv-toc__num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--c-ink-3);
  opacity: 0.8;
}

/* ---------- 视觉图 ---------- */
.page-privacy .pv-visual {
  margin: 0 0 clamp(1.5rem, 4vw, 2.5rem);
}

.page-privacy .pv-visual__frame {
  overflow: hidden;
  border: 1px solid var(--pv-hairline);
  background: var(--c-cream-2);
}

.page-privacy .pv-visual__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  max-height: 300px;
  object-fit: cover;
}

.page-privacy .pv-visual__cap {
  margin-top: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--c-ink-3);
  opacity: 0.75;
}

/* ---------- 条款章节 ---------- */
.page-privacy .pv-doc {
  min-width: 0;
}

.page-privacy .pv-sec {
  margin-top: clamp(2rem, 4vw, 2.75rem);
  padding-top: clamp(1.15rem, 2.4vw, 1.6rem);
  border-top: 1px solid var(--pv-hairline);
}

.page-privacy .pv-doc > .pv-sec:first-of-type,
.page-privacy .pv-visual + .pv-sec {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-privacy .pv-sec__head {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 0.9rem;
}

.page-privacy .pv-sec__num {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--c-ink-3);
}

.page-privacy .pv-sec__num::after {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--c-mint-2);
}

.page-privacy .pv-sec__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 3.6vw, 1.85rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--c-ink);
}

.page-privacy .pv-sec p {
  max-width: var(--read);
  margin: 0 0 0.9rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--pv-ink-soft);
}

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

.page-privacy .pv-doc p a {
  color: var(--c-ink);
  text-decoration: underline;
  text-decoration-color: var(--c-mint-2);
  text-underline-offset: 3px;
}

/* ---------- 定义块 ---------- */
.page-privacy .pv-defs {
  display: grid;
  gap: 1px;
  margin: 1.25rem 0 0;
  max-width: 780px;
  border: 1px solid var(--pv-hairline);
  background: var(--pv-hairline);
}

.page-privacy .pv-def {
  display: grid;
  gap: 0.4rem;
  padding: 1rem 1.05rem;
  background: var(--c-cream);
}

.page-privacy .pv-def dt {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--c-ink-3);
}

.page-privacy .pv-def dd {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--pv-ink-soft);
}

/* ---------- 折叠块 ---------- */
.page-privacy .pv-fold {
  max-width: 780px;
  margin-top: 0.7rem;
  border: 1px solid var(--pv-hairline);
  background: var(--c-cream);
}

.page-privacy .pv-fold > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  list-style: none;
  cursor: pointer;
  padding: 0.85rem 1.05rem;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-ink);
}

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

.page-privacy .pv-fold > summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--c-ink-3);
  transition: transform var(--dur) var(--ease);
}

.page-privacy .pv-fold[open] > summary::after {
  content: "−";
}

.page-privacy .pv-fold__body {
  padding: 0.9rem 1.05rem 1rem;
  border-top: 1px solid var(--pv-hairline);
}

.page-privacy .pv-fold__body p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--pv-ink-soft);
}

/* ---------- 编号步骤 ---------- */
.page-privacy .pv-steps {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 1.25rem 0 0;
  padding: 0;
  max-width: 780px;
  border: 1px solid var(--pv-hairline);
  background: var(--pv-hairline);
}

.page-privacy .pv-step {
  display: grid;
  grid-template-columns: 1.75rem minmax(0, 1fr);
  gap: 0.75rem;
  padding: 1rem 1.05rem;
  background: var(--c-cream);
}

.page-privacy .pv-step__n {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-ink-3);
  padding-top: 0.28rem;
}

.page-privacy .pv-step p {
  margin: 0;
  max-width: none;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--pv-ink-soft);
}

/* ---------- 选择清单 ---------- */
.page-privacy .pv-choices {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
  max-width: 780px;
}

.page-privacy .pv-choice {
  display: grid;
  gap: 0.3rem;
  padding: 0.9rem 1.05rem;
  border-left: 2px solid var(--c-mint-2);
  background: rgba(232, 221, 200, 0.5);
}

.page-privacy .pv-choice__k {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-ink);
}

.page-privacy .pv-choice__v {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--pv-ink-soft);
}

/* ---------- 联系面板 ---------- */
.page-privacy .pv-contact {
  max-width: 780px;
  margin: 1.4rem 0 0;
  padding: 1.1rem 1.15rem 1.25rem;
  background: var(--c-ink-2);
  border: 1px solid var(--c-line);
  color: var(--c-paper);
}

.page-privacy .pv-contact__title {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--c-mint);
}

.page-privacy .pv-contact__list {
  margin: 0;
  display: grid;
  gap: 0.85rem;
}

.page-privacy .pv-contact__row {
  display: grid;
  gap: 0.25rem;
}

.page-privacy .pv-contact__row dt {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--c-muted);
}

.page-privacy .pv-contact__row dd {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--c-paper);
  word-break: break-word;
}

.page-privacy .pv-contact__note {
  display: block;
  margin-top: 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--c-muted);
}

/* ---------- 行动按钮 ---------- */
.page-privacy .pv-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1.4rem 0 0;
  max-width: none;
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 640px) {
  .page-privacy .pv-keys {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-privacy .pv-keys__item {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .page-privacy .pv-visual__frame img {
    max-height: 360px;
  }
}

@media (min-width: 960px) {
  .page-privacy .pv-layout {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

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

  .page-privacy .pv-toc {
    background: transparent;
    border: 0;
    padding: 0.35rem 0 0;
    border-top: 2px solid var(--c-ink);
  }

  .page-privacy .pv-toc__summary {
    display: none;
  }

  .page-privacy .pv-toc__list {
    margin-top: 0.65rem;
  }

  .page-privacy .pv-def {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 1.25rem;
    align-items: start;
    padding: 1.05rem 1.2rem;
  }

  .page-privacy .pv-contact__row {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }
}

@media (min-width: 1200px) {
  .page-privacy .pv-visual__frame img {
    max-height: 400px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc__link,
  .page-privacy .pv-fold > summary::after {
    transition: none;
  }
}
<<<END>>>