.page-privacy {
  --priv-chap-gap: clamp(28px, 4vw, 52px);
  --priv-rule: rgba(26, 31, 38, .14);
}

/* 首屏 */
.page-privacy .priv-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--sand);
  padding-top: calc(var(--header-h) + clamp(36px, 5vw, 76px));
  padding-bottom: clamp(36px, 5vw, 68px);
}

.page-privacy .priv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    115deg,
    rgba(43, 179, 192, .07) 0 1px,
    transparent 1px 9px
  );
}

.page-privacy .priv-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-privacy .priv-hero .breadcrumbs {
  margin-bottom: 20px;
  color: var(--sand-45);
}

.page-privacy .priv-hero .breadcrumbs ol {
  color: inherit;
}

.page-privacy .priv-hero .breadcrumbs a,
.page-privacy .priv-hero .breadcrumbs li {
  color: var(--sand-70);
}

.page-privacy .priv-hero .breadcrumbs a:hover,
.page-privacy .priv-hero .breadcrumbs a:focus-visible {
  color: var(--sand);
}

.page-privacy .priv-hero .eyebrow {
  color: var(--gold);
  margin-bottom: 16px;
}

.page-privacy .priv-hero .eyebrow::before {
  background: var(--gold);
}

.page-privacy .priv-hero h1 {
  margin: 0 0 20px;
  font-size: clamp(30px, 5.6vw, 60px);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--sand);
  max-width: 18em;
}

.page-privacy .priv-hero__lede {
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--sand-70);
  max-width: 34em;
}

.page-privacy .priv-hero__index {
  border-top: 1px solid var(--line-light);
  padding-top: 20px;
}

.page-privacy .priv-hero__index-cap {
  color: var(--sand-45);
  margin: 0 0 14px;
}

.page-privacy .priv-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .priv-index li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-light);
  font-size: 15px;
  line-height: 1.5;
  color: var(--sand);
}

.page-privacy .priv-index .num {
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: .04em;
  flex: none;
}

.page-privacy .priv-hero__index-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--sand-45);
}

/* 首屏横幅图 */
.page-privacy .priv-banner {
  background: var(--sand);
  padding-top: clamp(20px, 3vw, 36px);
}

.page-privacy .priv-banner__media {
  border: 1px solid var(--priv-rule);
  overflow: hidden;
}

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

/* 正文区 */
.page-privacy .priv-body {
  padding-block: clamp(40px, 6vw, 88px);
}

.page-privacy .priv-layout {
  display: grid;
  gap: clamp(26px, 3.5vw, 40px);
}

/* 目录 */
.page-privacy .priv-toc {
  border-top: 2px solid var(--gold);
  padding-top: 16px;
}

.page-privacy .priv-toc__cap {
  color: var(--muted);
  margin: 0 0 12px;
}

.page-privacy .priv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 16px;
}

.page-privacy .priv-toc__item a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--priv-rule);
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.45;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.page-privacy .priv-toc__item .num {
  font-size: 11px;
  color: var(--gold-deep);
  letter-spacing: .04em;
  flex: none;
}

.page-privacy .priv-toc__item a:hover,
.page-privacy .priv-toc__item a:focus-visible {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.page-privacy .priv-toc__item a:hover .num,
.page-privacy .priv-toc__item a:focus-visible .num {
  color: var(--blue);
}

.page-privacy .priv-toc__foot {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 章节 */
.page-privacy .priv-terms {
  display: grid;
  gap: var(--priv-chap-gap);
}

.page-privacy .priv-chap {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-privacy .priv-chap__box {
  border-bottom: 1px solid var(--priv-rule);
  padding-bottom: clamp(18px, 2.4vw, 28px);
}

.page-privacy .priv-chap__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  padding-bottom: 14px;
}

.page-privacy .priv-chap__head::-webkit-details-marker {
  display: none;
}

.page-privacy .priv-chap__head::marker {
  content: "";
}

.page-privacy .priv-chap__no {
  font-size: 12px;
  color: var(--gold-deep);
  letter-spacing: .06em;
  flex: none;
  padding-top: 6px;
}

.page-privacy .priv-chap__title {
  margin: 0;
  flex: 1 1 auto;
  font-size: clamp(21px, 2.6vw, 30px);
  line-height: 1.2;
  color: var(--text);
}

.page-privacy .priv-chap__mark {
  flex: none;
  width: 24px;
  height: 24px;
  position: relative;
  border: 1px solid var(--line-strong);
}

.page-privacy .priv-chap__mark::before,
.page-privacy .priv-chap__mark::after {
  content: "";
  position: absolute;
  background: var(--gold-deep);
  transition: opacity .24s var(--ease), transform .24s var(--ease);
}

.page-privacy .priv-chap__mark::before {
  left: 5px;
  right: 5px;
  top: 50%;
  height: 1px;
  margin-top: -.5px;
}

.page-privacy .priv-chap__mark::after {
  top: 5px;
  bottom: 5px;
  left: 50%;
  width: 1px;
  margin-left: -.5px;
}

.page-privacy .priv-chap__box[open] .priv-chap__mark::after {
  opacity: 0;
  transform: scaleY(.2);
}

.page-privacy .priv-chap__body {
  padding-left: 0;
}

.page-privacy .priv-chap__sum {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  padding: 14px 18px;
  background: var(--sand-2);
  border-left: 3px solid var(--gold);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  max-width: 44em;
}

.page-privacy .priv-clause {
  display: grid;
  grid-template-columns: 2.6em minmax(0, 1fr);
  gap: 0 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--priv-rule);
}

.page-privacy .priv-clause:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .priv-clause__no {
  font-size: 12px;
  color: var(--gold-deep);
  letter-spacing: .04em;
  padding-top: 4px;
}

.page-privacy .priv-clause p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text);
  max-width: 60ch;
}

.page-privacy .priv-clause strong {
  font-weight: 700;
  color: var(--ink);
}

/* 目录随锚点高亮 */
.page-privacy .priv-layout:has(#ch-1:target) .priv-toc__item a[href="#ch-1"],
.page-privacy .priv-layout:has(#ch-2:target) .priv-toc__item a[href="#ch-2"],
.page-privacy .priv-layout:has(#ch-3:target) .priv-toc__item a[href="#ch-3"],
.page-privacy .priv-layout:has(#ch-4:target) .priv-toc__item a[href="#ch-4"],
.page-privacy .priv-layout:has(#ch-5:target) .priv-toc__item a[href="#ch-5"] {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.page-privacy .priv-layout:has(#ch-1:target) .priv-toc__item a[href="#ch-1"] .num,
.page-privacy .priv-layout:has(#ch-2:target) .priv-toc__item a[href="#ch-2"] .num,
.page-privacy .priv-layout:has(#ch-3:target) .priv-toc__item a[href="#ch-3"] .num,
.page-privacy .priv-layout:has(#ch-4:target) .priv-toc__item a[href="#ch-4"] .num,
.page-privacy .priv-layout:has(#ch-5:target) .priv-toc__item a[href="#ch-5"] .num {
  color: var(--blue);
}

/* 联系与下一步 */
.page-privacy .priv-help {
  scroll-margin-top: calc(var(--header-h) + 24px);
  border-top: 2px solid var(--ink);
  padding-top: clamp(22px, 3vw, 34px);
}

.page-privacy .priv-help__title {
  margin: 0 0 10px;
  font-size: clamp(21px, 2.6vw, 28px);
  line-height: 1.22;
  color: var(--text);
}

.page-privacy .priv-help__lede {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 40em;
}

.page-privacy .priv-help__grid {
  display: grid;
  gap: 14px;
}

.page-privacy .priv-help__card {
  background: var(--sand-2);
  border: 1px solid var(--priv-rule);
  padding: 18px 20px;
}

.page-privacy .priv-help__card .label {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
}

.page-privacy .priv-help__value {
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink);
  letter-spacing: .02em;
  word-break: break-word;
}

.page-privacy .priv-help__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text);
}

.page-privacy .priv-help__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin: 14px 0 0;
}

.page-privacy .priv-help__back {
  font-size: 14px;
  color: var(--gold-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.page-privacy .priv-help__back:hover,
.page-privacy .priv-help__back:focus-visible {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-privacy .priv-toc__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .priv-clause {
    grid-template-columns: 3.2em minmax(0, 1fr);
    gap: 0 18px;
  }

  .page-privacy .priv-help__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-privacy .priv-help__card--wide {
    grid-column: 1 / -1;
  }
}

/* 桌面：章节栏与正文分列 */
@media (min-width: 960px) {
  .page-privacy .priv-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-privacy .priv-hero__index {
    margin-top: 12px;
  }

  .page-privacy .priv-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(36px, 4.5vw, 64px);
    align-items: start;
  }

  .page-privacy .priv-toc {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-privacy .priv-toc__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .page-privacy .priv-chap__body {
    padding-left: 44px;
  }

  .page-privacy .priv-help__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .priv-help__card--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1200px) {
  .page-privacy .priv-clause p {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .priv-toc__item a,
  .page-privacy .priv-chap__mark::before,
  .page-privacy .priv-chap__mark::after,
  .page-privacy .priv-help__back {
    transition: opacity .15s linear;
  }
}
<<<END>>>