.page-privacy {
  --pv-lead: 18px;
  --pv-body: 16px;
  --pv-line-h: 1.8;
  --pv-top: 84px;
  background: var(--obsidian);
  color: var(--ivory);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding-block: 40px 56px;
  background:
    radial-gradient(820px 380px at 8% -12%, rgba(212, 175, 55, .16), transparent 64%),
    radial-gradient(620px 300px at 92% 8%, rgba(47, 211, 196, .06), transparent 66%),
    linear-gradient(180deg, var(--obsidian), var(--deep) 92%);
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: 30px;
  font-size: 13px;
}

.page-privacy .privacy-hero .eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: .12em;
}

.page-privacy .privacy-hero h1 {
  margin: 0;
  font-size: clamp(34px, 8vw, 64px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--ivory);
}

.page-privacy .privacy-hero .lede {
  margin: 24px 0 0;
  max-width: 64ch;
  font-size: var(--pv-lead);
  line-height: 1.78;
  color: rgba(244, 239, 228, .8);
}

/* ---------- 数据流向图 ---------- */
.page-privacy .privacy-flow {
  padding-block: 0;
  background: var(--deep);
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .privacy-flow .media-frame {
  margin: 40px 0;
}

/* ---------- 主体两栏 ---------- */
.page-privacy .privacy-main {
  padding-block: 56px 88px;
  background:
    linear-gradient(180deg, var(--deep) 0, var(--obsidian) 30%, var(--obsidian) 100%);
}

.page-privacy .privacy-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

/* ---------- 章节目录 ---------- */
.page-privacy .privacy-toc__title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

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

.page-privacy .privacy-toc__num {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: .06em;
}

.page-privacy .privacy-toc__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(23, 26, 31, .7);
  color: rgba(244, 239, 228, .78);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease),
              color var(--dur) var(--ease),
              background var(--dur) var(--ease);
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  border-color: var(--gold);
  background: rgba(212, 175, 55, .07);
  color: var(--gold-light);
}

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

/* ---------- 章节 ---------- */
.page-privacy .privacy-block {
  scroll-margin-top: var(--pv-top);
  padding-block: 40px;
  border-top: 1px solid var(--line-soft);
}

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

.page-privacy .privacy-block:last-of-type {
  padding-bottom: 0;
}

.page-privacy .privacy-num {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 13px;
  letter-spacing: .1em;
}

.page-privacy .privacy-block h2 {
  position: relative;
  margin: 0 0 16px;
  padding-left: 18px;
  font-size: clamp(22px, 4.6vw, 30px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--ivory);
}

.page-privacy .privacy-block h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: .26em;
  bottom: .26em;
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--gold), var(--gold-dark));
}

.page-privacy .privacy-lead {
  margin: 0 0 24px;
  max-width: 58ch;
  font-size: var(--pv-lead);
  font-weight: 700;
  line-height: 1.68;
  color: var(--gold-light);
}

.page-privacy .privacy-block p {
  max-width: 72ch;
  font-size: var(--pv-body);
  line-height: var(--pv-line-h);
  color: rgba(244, 239, 228, .8);
}

.page-privacy .privacy-block p + p {
  margin-top: 16px;
}

/* ---------- 三类信息卡片 ---------- */
.page-privacy .privacy-rows {
  display: grid;
  gap: 10px;
  margin-bottom: 4px;
}

.page-privacy .privacy-row {
  display: grid;
  gap: 8px;
  padding: 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--deep-2), var(--deep));
  transition: border-color var(--dur) var(--ease);
}

.page-privacy .privacy-row:hover {
  border-color: var(--line);
}

.page-privacy .privacy-row__key {
  margin: 0;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-privacy .privacy-row__text {
  margin: 0;
  max-width: 68ch;
  font-size: var(--pv-body);
  line-height: var(--pv-line-h);
  color: rgba(244, 239, 228, .82);
}

/* ---------- 强调块 ---------- */
.page-privacy .privacy-note {
  margin: 24px 0 0;
  padding: 22px 22px 22px 24px;
  border-radius: var(--radius);
  border-left: 4px solid var(--gold);
  background: var(--ivory);
}

.page-privacy .privacy-note p {
  margin: 0;
  max-width: 70ch;
  font-size: var(--pv-body);
  line-height: 1.75;
  color: #2B2822;
}

/* ---------- 列表 ---------- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 26px;
  max-width: 72ch;
  font-size: var(--pv-body);
  line-height: var(--pv-line-h);
  color: rgba(244, 239, 228, .82);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: .66em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

.page-privacy .privacy-list strong {
  color: var(--ivory);
  font-weight: 700;
}

/* ---------- 折叠 ---------- */
.page-privacy .privacy-fold {
  margin-top: 24px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--deep);
  transition: border-color var(--dur) var(--ease);
}

.page-privacy .privacy-fold:hover {
  border-color: var(--line);
}

.page-privacy .privacy-fold > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 13px 18px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: var(--gold-light);
}

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

.page-privacy .privacy-fold > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--gold);
  transition: transform var(--dur) var(--ease);
}

.page-privacy .privacy-fold[open] > summary::after {
  transform: rotate(45deg);
}

.page-privacy .privacy-fold > summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-privacy .privacy-fold__body {
  padding: 0 18px 18px;
}

.page-privacy .privacy-fold__body p {
  margin: 0 0 12px;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 239, 228, .78);
}

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

/* ---------- 联系渠道 ---------- */
.page-privacy .privacy-channels {
  display: grid;
  gap: 14px;
  margin-top: 26px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(212, 175, 55, .09), rgba(212, 175, 55, .015));
}

.page-privacy .privacy-channels__row {
  display: grid;
  gap: 5px;
}

.page-privacy .privacy-channels__k {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-privacy .privacy-channels__v {
  font-size: var(--pv-body);
  line-height: 1.7;
  color: var(--ivory);
  word-break: break-word;
}

.page-privacy .privacy-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 更新说明 ---------- */
.page-privacy .privacy-update {
  margin-top: 44px;
  padding-top: 26px;
  background-image: linear-gradient(90deg, var(--gold), rgba(212, 175, 55, 0));
  background-repeat: no-repeat;
  background-position: left top;
  background-size: 168px 1px;
}

.page-privacy .privacy-update__line {
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--graphite);
}

.page-privacy .privacy-update p {
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 239, 228, .76);
}

.page-privacy .privacy-update a {
  color: var(--gold-light);
  text-decoration: underline;
  text-decoration-color: rgba(212, 175, 55, .5);
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease), text-decoration-color var(--dur) var(--ease);
}

.page-privacy .privacy-update a:hover,
.page-privacy .privacy-update a:focus-visible {
  color: var(--gold);
  text-decoration-color: var(--gold);
}

/* ---------- 平板：三栏信息卡展开 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-row {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
    padding: 20px 24px;
  }

  .page-privacy .privacy-row__key {
    padding-top: 3px;
  }

  .page-privacy .privacy-channels__row {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-privacy .privacy-hero {
    padding-block: 52px 68px;
  }
}

/* ---------- 桌面：左侧固定目录 ---------- */
@media (min-width: 1000px) {
  .page-privacy .privacy-main {
    padding-block: 72px 104px;
  }

  .page-privacy .privacy-grid {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: 76px;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-privacy .privacy-toc__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-toc__list a {
    white-space: normal;
    min-height: 40px;
    padding: 8px 0 8px 14px;
    border: 0;
    border-left: 2px solid var(--line-soft);
    border-radius: 0;
    background: transparent;
    font-size: 14px;
    line-height: 1.5;
  }

  .page-privacy .privacy-toc__list a:hover,
  .page-privacy .privacy-toc__list a:focus-visible {
    border-left-color: var(--gold);
    background: linear-gradient(90deg, rgba(212, 175, 55, .1), rgba(212, 175, 55, 0));
  }

  .page-privacy .privacy-hero h1 {
    max-width: 18ch;
  }
}

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