.page-privacy {
  --pv-bubble: rgba(86, 224, 208, 0.07);
  --pv-rule: 1px solid var(--grid);
  --pv-measure: 62ch;
  position: relative;
  background:
    radial-gradient(circle at 12% 18%, var(--pv-bubble), transparent 46%),
    radial-gradient(circle at 88% 72%, rgba(123, 92, 255, 0.06), transparent 52%);
}

/* ============ 首屏 ============ */
.page-privacy .pv-hero {
  padding: clamp(28px, 6vw, 64px) 0 clamp(28px, 5vw, 56px);
  border-bottom: var(--pv-rule);
}

.page-privacy .pv-hero .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-privacy .pv-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
}

.page-privacy .pv-hero-copy .eyebrow {
  margin: 0 0 14px;
  color: var(--clay);
}

.page-privacy .pv-hero-copy .display {
  margin: 0 0 20px;
  color: var(--bone);
}

.page-privacy .pv-hero-copy .lede {
  margin: 0;
  max-width: var(--pv-measure);
  color: var(--bone);
  opacity: 0.86;
}

.page-privacy .pv-hero-meta {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 18px 0 0;
  border-top: var(--pv-rule);
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px 24px;
}

.page-privacy .pv-hero-meta li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(36, 80, 110, 0.6);
}

.page-privacy .pv-meta-key {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ash);
}

.page-privacy .pv-meta-val {
  color: var(--bone);
  opacity: 0.9;
}

.page-privacy .pv-hero-meta .num {
  color: var(--cyan);
  font-size: 14px;
}

.page-privacy .pv-hero-art {
  margin: 0;
  border: var(--pv-rule);
  background: var(--slate);
}

.page-privacy .pv-hero-art img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

/* ============ 正文骨架 ============ */
.page-privacy .pv-body {
  padding: clamp(32px, 6vw, 72px) 0 clamp(48px, 8vw, 96px);
}

.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 64px);
}

/* ============ 左侧章节索引 ============ */
.page-privacy .pv-index {
  align-self: start;
  padding: 18px 0 0;
  border-top: 2px solid var(--clay);
}

.page-privacy .pv-index-head {
  margin: 0 0 14px;
  color: var(--cyan);
}

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

.page-privacy .pv-index-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0 8px 12px;
  border-left: 2px solid transparent;
  color: var(--ash);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.18s ease, border-color 0.18s ease, padding-left 0.18s ease;
}

.page-privacy .pv-index-list a:hover,
.page-privacy .pv-index-list a:focus-visible {
  color: var(--bone);
  border-left-color: var(--grid);
}

.page-privacy .pv-index-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--clay);
}

.page-privacy .pv-index-list a[aria-current="true"] {
  color: var(--bone);
  border-left-color: var(--clay);
  padding-left: 16px;
}

.page-privacy .pv-index-list a[aria-current="true"] .pv-index-num {
  color: var(--cyan);
}

/* ============ 正文列 ============ */
.page-privacy .pv-main {
  min-width: 0;
  max-width: var(--pv-measure);
}

.page-privacy .pv-lead-para {
  margin: 0 0 clamp(24px, 4vw, 36px);
  color: var(--bone);
  opacity: 0.84;
  font-size: 17px;
  line-height: 1.85;
}

/* ============ 工具栏 ============ */
.page-privacy .pv-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px 0;
  margin-bottom: clamp(24px, 4vw, 40px);
  border-top: var(--pv-rule);
  border-bottom: var(--pv-rule);
}

.page-privacy .pv-toolbar-btn {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}

/* ============ 章节 ============ */
.page-privacy .pv-section {
  padding-bottom: clamp(32px, 5vw, 56px);
  margin-bottom: clamp(32px, 5vw, 56px);
  border-bottom: var(--pv-rule);
  scroll-margin-top: 80px;
}

.page-privacy .pv-section--last {
  border-bottom: 0;
}

.page-privacy .pv-section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-privacy .pv-sec-num {
  flex: none;
  font-size: clamp(20px, 3vw, 28px);
  color: var(--clay);
}

.page-privacy .pv-section-head .section-title {
  margin: 0;
  color: var(--bone);
}

/* ============ 折叠面板 ============ */
.page-privacy .accordion {
  border-top: var(--pv-rule);
}

.page-privacy .accordion-item {
  border-bottom: var(--pv-rule);
}

.page-privacy .accordion-trigger {
  width: 100%;
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 2px;
  background: none;
  border: 0;
  color: var(--bone);
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  font-size: 16px;
  line-height: 1.5;
  transition: background-color 0.18s ease;
}

.page-privacy .accordion-trigger:hover,
.page-privacy .accordion-trigger:focus-visible {
  background-color: rgba(16, 48, 74, 0.5);
}

.page-privacy .accordion-trigger::after {
  content: "+";
  margin-left: auto;
  font-family: var(--mono);
  font-size: 16px;
  color: var(--coral);
  transition: transform 0.2s ease;
}

.page-privacy .accordion-trigger[aria-expanded="true"]::after {
  content: "−";
  color: var(--cyan);
}

.page-privacy .pv-acc-idx {
  flex: none;
  font-size: 12px;
  color: var(--clay);
}

.page-privacy .pv-acc-title {
  font-weight: 700;
}

.page-privacy .accordion-panel {
  padding: 0 2px 22px;
}

.page-privacy .accordion-panel p {
  margin: 0 0 14px;
  color: var(--bone);
  opacity: 0.84;
  line-height: 1.85;
}

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

/* ============ 列表 ============ */
.page-privacy .pv-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .pv-list li {
  padding-left: 14px;
  border-left: 1px solid var(--grid);
  color: var(--bone);
  opacity: 0.82;
  line-height: 1.75;
}

.page-privacy .pv-list-key {
  display: inline-block;
  min-width: 9em;
  margin-right: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-privacy .pv-hl {
  color: var(--cyan);
  font-size: 1em;
}

/* ============ 提示块 ============ */
.page-privacy .pv-callout {
  padding: 18px 20px;
  margin-bottom: 22px;
  background: var(--slate);
  border-left: 4px solid var(--coral);
}

.page-privacy .pv-callout--moss {
  border-left-color: var(--moss);
}

.page-privacy .pv-callout p {
  margin: 0;
  color: var(--bone);
  opacity: 0.9;
  line-height: 1.8;
}

/* ============ 定义列表 ============ */
.page-privacy .pv-deflist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-privacy .pv-deflist li {
  padding-top: 16px;
  border-top: var(--pv-rule);
}

.page-privacy .pv-def-term {
  margin: 0 0 8px;
  font-weight: 700;
  color: var(--bone);
}

.page-privacy .pv-def-body {
  margin: 0;
  color: var(--bone);
  opacity: 0.82;
  line-height: 1.8;
}

/* ============ 保存期限 ============ */
.page-privacy .pv-retention-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: var(--pv-rule);
  margin-bottom: 22px;
}

.page-privacy .pv-retention-item {
  padding: 16px 0;
  border-bottom: var(--pv-rule);
}

.page-privacy .pv-ret-key {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ash);
}

.page-privacy .pv-ret-val {
  margin: 0 0 6px;
  font-size: 20px;
  color: var(--cyan);
}

.page-privacy .pv-ret-note {
  margin: 0;
  font-size: 14px;
  color: var(--bone);
  opacity: 0.7;
  line-height: 1.7;
}

/* ============ 权利卡片 ============ */
.page-privacy .pv-rights {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: clamp(18px, 3vw, 28px) 0;
}

.page-privacy .pv-right-card .card-foot {
  border-top: 1px dashed rgba(36, 80, 110, 0.7);
  padding-top: 10px;
  margin-top: auto;
}

.page-privacy .pv-foot-key {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ash);
  margin-right: 8px;
}

/* ============ 行内链接段 ============ */
.page-privacy .pv-inline-link {
  margin: 22px 0 16px;
  color: var(--bone);
  opacity: 0.82;
  line-height: 1.85;
}

.page-privacy .pv-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

/* ============ 联系方式 ============ */
.page-privacy .pv-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: var(--pv-rule);
}

.page-privacy .pv-contact-item {
  padding: 18px 0;
  border-bottom: var(--pv-rule);
}

.page-privacy .pv-contact-val {
  margin: 6px 0;
  color: var(--bone);
  font-size: 17px;
  word-break: break-word;
}

.page-privacy .pv-contact-item .contact-key {
  color: var(--clay);
}

.page-privacy .pv-contact-note {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--ash);
  line-height: 1.7;
}

/* ============ 页尾 ============ */
.page-privacy .pv-signoff {
  margin-top: clamp(32px, 5vw, 56px);
  padding-top: 20px;
}

.page-privacy .pv-signoff .rule {
  display: block;
  margin-bottom: 14px;
}

.page-privacy .pv-signoff .muted {
  margin: 0;
  font-size: 13px;
  color: var(--ash);
}

/* ============ 返回顶部 ============ */
.page-privacy .to-top {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 40;
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--abyss);
  border: 1px solid var(--grid);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-privacy .to-top[data-visible] {
  display: inline-flex;
}

.page-privacy .to-top:hover,
.page-privacy .to-top:focus-visible {
  border-color: var(--coral);
  color: var(--coral);
}

.page-privacy .to-top:active {
  transform: translateY(2px);
}

.page-privacy .to-top-arrow {
  font-size: 14px;
}

/* ============ 窄屏细节 ============ */
@media (max-width: 559px) {
  .page-privacy .pv-index-list {
    grid-template-columns: 1fr;
  }

  .page-privacy .pv-acc-title {
    font-size: 15px;
  }

  .page-privacy .pv-ret-val {
    font-size: 18px;
  }

  .page-privacy .pv-list-key {
    display: block;
    min-width: 0;
    margin-bottom: 2px;
  }
}

/* ============ 平板 ============ */
@media (min-width: 720px) {
  .page-privacy .pv-hero-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px 20px;
  }

  .page-privacy .pv-hero-meta li {
    display: block;
    border-bottom: 0;
    padding-bottom: 0;
  }

  .page-privacy .pv-meta-key {
    display: block;
    margin-bottom: 6px;
  }

  .page-privacy .pv-retention-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }

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

  .page-privacy .pv-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 28px;
  }

  .page-privacy .pv-contact-item {
    border-bottom: 0;
    border-top: 1px solid var(--grid);
    margin-top: -1px;
    padding-top: 18px;
  }
}

/* ============ 桌面：7:5 框景 + 粘性索引 ============ */
@media (min-width: 1024px) {
  .page-privacy .pv-hero-grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-privacy .pv-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 76px);
  }

  .page-privacy .pv-index {
    position: sticky;
    top: 96px;
  }

  .page-privacy .pv-index-list {
    grid-template-columns: 1fr;
  }

  .page-privacy .pv-retention-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 28px;
  }

  .page-privacy .pv-retention-item {
    border-bottom: 0;
    border-top: 1px solid var(--grid);
    margin-top: -1px;
    padding-top: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-index-list a,
  .page-privacy .accordion-trigger,
  .page-privacy .to-top {
    transition: none;
  }
}