.page-privacy {
  background: var(--ink-900);
  color: var(--paper-100);
  --privacy-rule: rgba(14, 26, 38, 0.16);
  --privacy-rule-soft: rgba(14, 26, 38, 0.08);
}

/* 顶部深色窄带 */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  border-bottom: 1px solid var(--ink-700);
}

.page-privacy .privacy-hero__media {
  position: absolute;
  inset: 0;
  opacity: 0.26;
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 26, 38, 0.55) 0%, rgba(14, 26, 38, 0.88) 62%, var(--ink-900) 100%);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(28px, 6vw, 60px) clamp(36px, 7vw, 80px);
}

.page-privacy .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(20px, 4vw, 40px);
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone-light);
}

.page-privacy .breadcrumb__link {
  color: var(--stone-light);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-privacy .breadcrumb__link:hover {
  color: var(--gold-200);
  border-bottom-color: var(--gold-500);
}

.page-privacy .breadcrumb__sep {
  color: var(--ink-700);
}

.page-privacy .breadcrumb__current {
  color: var(--gold-200);
}

.page-privacy .privacy-hero__note {
  margin: 0 0 14px;
  color: var(--gold-500);
  letter-spacing: 0.3em;
}

.page-privacy .privacy-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 7vw, 66px);
  line-height: 1.18;
  letter-spacing: 0.01em;
  color: var(--paper-100);
}

.page-privacy .privacy-hero__lede {
  max-width: 34em;
  margin: clamp(20px, 3.4vw, 32px) 0 0;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--gold-200);
}

.page-privacy .privacy-hero__meta {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--ink-700);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--stone-light);
}

/* 章节索引条 */
.page-privacy .privacy-index {
  position: sticky;
  top: 0;
  z-index: 6;
  background: var(--ink-800);
  border-bottom: 1px solid var(--ink-700);
}

.page-privacy .privacy-index__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-block: 10px;
}

.page-privacy .privacy-index__label {
  flex: 0 0 auto;
  margin: 0;
  color: var(--stone-light);
  letter-spacing: 0.24em;
}

.page-privacy .privacy-index__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 2px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-index__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  white-space: nowrap;
  font-size: 12.5px;
  color: var(--stone-light);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-privacy .privacy-index__link .mono {
  color: var(--gold-500);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-privacy .privacy-index__link:hover,
.page-privacy .privacy-index__link:focus-visible {
  color: var(--gold-200);
  border-color: var(--ink-700);
}

/* 米白正文区 */
.page-privacy .privacy-sheet {
  background: var(--paper-100);
  color: var(--ink-900);
  padding-block: clamp(36px, 7vw, 88px);
}

.page-privacy .privacy-chapter {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  padding-block: clamp(30px, 5vw, 56px);
  border-top: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-chapter:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .privacy-rail {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-privacy .privacy-rail__letter {
  font-size: 22px;
  font-weight: 600;
  line-height: 1;
  color: var(--gold-500);
  opacity: 0.45;
  transform: translateY(6px);
  transition: opacity 280ms ease, transform 280ms ease;
}

.page-privacy .privacy-chapter.is-inview .privacy-rail__letter {
  opacity: 1;
  transform: translateY(0);
}

.page-privacy .privacy-rail__note {
  font-size: 11.5px;
  letter-spacing: 0.28em;
  color: var(--stone-400);
}

.page-privacy .chapter__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3vw, 34px);
  line-height: 1.35;
  color: var(--ink-900);
}

.page-privacy .prose {
  max-width: 68ch;
}

.page-privacy .prose p {
  margin: 0 0 1.2em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-800);
}

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

/* 场景条目 */
.page-privacy .privacy-list {
  max-width: 68ch;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 20px;
}

.page-privacy .privacy-list__item {
  padding: 16px 0 16px 18px;
  border-left: 2px solid var(--gold-500);
}

.page-privacy .privacy-list--plain .privacy-list__item {
  border-left: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-list__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--ink-900);
}

.page-privacy .privacy-list__tag {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cinnabar);
}

.page-privacy .privacy-list__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-800);
}

.page-privacy .privacy-aside {
  max-width: 68ch;
  margin: 24px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--privacy-rule);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--stone-400);
}

/* 权利框 */
.page-privacy .privacy-rights {
  max-width: 68ch;
  margin: 0 0 22px;
  padding: clamp(20px, 3.4vw, 30px);
  background: var(--paper-000);
  border: 1px solid var(--gold-500);
}

.page-privacy .privacy-rights__lead {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.1vw, 20px);
  line-height: 1.6;
  color: var(--ink-900);
}

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

.page-privacy .privacy-rights__link {
  font-size: clamp(13.5px, 2.4vw, 16px);
  letter-spacing: 0.02em;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-500);
  word-break: break-all;
}

.page-privacy .privacy-rights__link:hover {
  color: var(--cinnabar);
}

.page-privacy .privacy-rights__copy {
  font-size: 12.5px;
  padding: 6px 12px;
  border-color: var(--ink-700);
  color: var(--ink-800);
}

.page-privacy .privacy-rights__alt {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-800);
}

/* 展开步骤 */
.page-privacy .privacy-details {
  max-width: 68ch;
  border: 1px solid var(--privacy-rule);
  background: var(--paper-000);
}

.page-privacy .privacy-details__summary {
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-900);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

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

.page-privacy .privacy-details__summary::after {
  content: "＋";
  font-family: var(--font-mono);
  color: var(--gold-500);
  font-size: 15px;
}

.page-privacy .privacy-details[open] .privacy-details__summary::after {
  content: "－";
}

.page-privacy .privacy-details__summary:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: -2px;
}

.page-privacy .privacy-details__steps {
  margin: 0;
  padding: 4px 18px 20px;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-details__step {
  position: relative;
  padding-left: 34px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-800);
}

.page-privacy .privacy-details__num {
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--gold-500);
}

/* 相关页面 */
.page-privacy .privacy-next {
  display: grid;
  gap: 10px;
  max-width: 68ch;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-next__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  font-size: 15px;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--privacy-rule-soft);
  transition: color 160ms ease, border-color 160ms ease;
}

.page-privacy .privacy-next__link:hover {
  color: var(--cinnabar);
  border-bottom-color: var(--gold-500);
}

.page-privacy .privacy-next__tag {
  flex: 0 0 auto;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold-500);
}

@media (min-width: 880px) {
  .page-privacy .privacy-chapter {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 84px;
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .page-privacy .privacy-rail__letter {
    font-size: 32px;
  }

  .page-privacy .privacy-rail__note {
    writing-mode: vertical-rl;
    letter-spacing: 0.34em;
  }

  .page-privacy .privacy-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 30px;
  }

  .page-privacy .privacy-list--plain {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-privacy .privacy-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__letter,
  .page-privacy .privacy-index__link,
  .page-privacy .privacy-next__link,
  .page-privacy .breadcrumb__link {
    transition: none;
  }

  .page-privacy .privacy-rail__letter {
    transform: none;
  }
}
<<<END>>>