.page-privacy {
  --privacy-measure: 720px;
  --privacy-rule: 1px solid var(--line-600);
  display: block;
  padding-bottom: clamp(64px, 9vw, 112px);
  color: var(--mist-050);
}

.page-privacy .privacy-crumb-row {
  padding-top: clamp(16px, 3vw, 28px);
  padding-bottom: clamp(12px, 2vw, 20px);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding: clamp(8px, 2vw, 20px) 0 clamp(36px, 6vw, 64px);
}

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-privacy .privacy-hero__text {
  max-width: 620px;
}

.page-privacy .privacy-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(34px, 6.4vw, 68px);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--mist-050);
}

.page-privacy .privacy-hero__lead {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--mist-050);
  max-width: 56ch;
}

.page-privacy .privacy-hero__meta {
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate-300);
}

.page-privacy .privacy-hero__media {
  margin: 0;
}

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

.page-privacy .privacy-hero__media .media-frame__caption {
  display: block;
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--slate-300);
}

/* ---------- 数据流向条 ---------- */
.page-privacy .privacy-flow {
  padding-bottom: clamp(36px, 6vw, 64px);
}

.page-privacy .privacy-flow__eyebrow {
  margin: 0 0 12px;
}

.page-privacy .flow-bar {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 10px;
}

.page-privacy .flow-bar__node {
  flex: 1 1 180px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border: 2px solid var(--line-600);
  border-top-width: 4px;
  border-top-color: var(--teal-400);
  background: var(--ink-800);
  box-shadow: var(--shadow-soft);
}

.page-privacy .flow-bar__node:nth-child(5) {
  border-top-color: var(--orange-500);
}

.page-privacy .flow-bar__idx {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate-300);
}

.page-privacy .flow-bar__label {
  font-size: 16px;
  font-weight: 500;
  color: var(--mist-050);
}

.page-privacy .flow-bar__note {
  font-size: 13px;
  line-height: 1.5;
  color: var(--slate-300);
}

.page-privacy .flow-bar__arrow {
  align-self: center;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--teal-400);
}

/* ---------- 两栏阅读布局 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  gap: clamp(24px, 4vw, 56px);
}

.page-privacy .privacy-toc {
  border: 2px solid var(--line-600);
  background: var(--ink-800);
  box-shadow: var(--shadow-soft);
  padding: 16px;
}

.page-privacy .privacy-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate-300);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-privacy .privacy-toc__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 6px 8px;
  border-left: 2px solid transparent;
  color: var(--mist-050);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  background: var(--ink-700);
  border-left-color: var(--orange-500);
}

.page-privacy .privacy-toc__idx {
  font-size: 12px;
  color: var(--slate-300);
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-body {
  display: block;
  min-width: 0;
}

.page-privacy .privacy-section {
  padding: clamp(28px, 5vw, 44px) 0;
  border-top: var(--privacy-rule);
}

.page-privacy .privacy-body > .privacy-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .privacy-section__head {
  display: block;
}

.page-privacy .privacy-label {
  display: inline-block;
  padding: 4px 8px;
  border: 1px solid var(--line-600);
  background: rgba(154, 165, 200, 0.14);
  color: var(--slate-300);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-privacy .privacy-section h2 {
  margin: 14px 0 16px;
  font-size: clamp(24px, 3.4vw, 32px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--mist-050);
}

.page-privacy .prose p {
  margin: 0 0 14px;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.7;
  color: var(--mist-050);
}

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

.page-privacy .prose a,
.page-privacy .related-card__text a {
  color: var(--teal-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 214, 180, 0.45);
}

.page-privacy .prose a:hover,
.page-privacy .prose a:focus-visible {
  border-bottom-color: var(--teal-400);
}

.page-privacy .key {
  font-weight: 500;
  border-bottom: 2px solid var(--teal-400);
  padding-bottom: 1px;
}

/* ---------- 导出格式折叠 ---------- */
.page-privacy .format-list {
  margin-top: 20px;
  display: grid;
  gap: 8px;
  max-width: var(--privacy-measure);
}

.page-privacy .format-item {
  border: 2px solid var(--line-600);
  background: var(--ink-800);
  box-shadow: var(--shadow-soft);
}

.page-privacy .format-item__summary {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 12px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 500;
  color: var(--mist-050);
}

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

.page-privacy .format-item__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--slate-300);
}

.page-privacy .format-item[open] .format-item__summary {
  border-bottom: 1px solid var(--line-600);
  color: var(--teal-400);
}

.page-privacy .format-item[open] .format-item__summary::after {
  content: "−";
  color: var(--teal-400);
}

.page-privacy .format-item__code {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange-500);
}

.page-privacy .format-item__body {
  margin: 0;
  padding: 14px 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist-050);
}

/* ---------- 联系卡片 ---------- */
.page-privacy .privacy-contact-card {
  margin-top: 22px;
  max-width: var(--privacy-measure);
  padding: 20px;
  color: var(--ink-900);
}

.page-privacy .privacy-contact-card__title {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-privacy .privacy-contact-card__line {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-900);
  overflow-wrap: anywhere;
}

.page-privacy .privacy-contact-card__key {
  display: inline-block;
  min-width: 68px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #4A5480;
}

.page-privacy .privacy-contact-card__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--grayblue-200);
  font-size: 14px;
  line-height: 1.7;
  color: #2A3462;
}

.page-privacy .privacy-contact-card__note a {
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 2px solid var(--teal-400);
}

/* ---------- 相关页面 ---------- */
.page-privacy .privacy-related {
  margin-top: clamp(32px, 5vw, 56px);
  padding-top: clamp(24px, 4vw, 32px);
  border-top: 2px solid var(--line-600);
}

.page-privacy .privacy-related__title {
  margin: 0 0 16px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist-050);
}

.page-privacy .related-grid {
  display: grid;
  gap: 10px;
}

.page-privacy .related-card {
  display: block;
  padding: 16px;
  border: 2px solid var(--line-600);
  background: var(--ink-800);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-privacy .related-card:hover,
.page-privacy .related-card:focus-visible {
  transform: translate(-2px, -2px);
  border-color: var(--teal-400);
  box-shadow: var(--shadow-hard);
}

.page-privacy .related-card__label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange-500);
  margin-bottom: 6px;
}

.page-privacy .related-card__text {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-050);
}

/* ---------- 响应式 ---------- */
@media (max-width: 599px) {
  .page-privacy .flow-bar__arrow {
    display: none;
  }

  .page-privacy .flow-bar__node {
    flex: 1 1 100%;
  }

  .page-privacy .privacy-contact-card__key {
    display: block;
    min-width: 0;
    margin-bottom: 2px;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
  }

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

@media (min-width: 1024px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) 220px;
    align-items: start;
  }

  .page-privacy .privacy-body {
    grid-column: 1;
    grid-row: 1;
    max-width: var(--privacy-measure);
  }

  .page-privacy .privacy-toc {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 24px;
  }
}