.page-privacy {
  --pp-measure: 40rem;
  --pp-line: 1px solid var(--ink-600);
  --pp-paper-line: rgba(27, 39, 53, 0.16);
  background: var(--ink-950);
  color: var(--text-100);
  font-family: var(--font-body);
  padding: 28px 0 72px;
}

.page-privacy .container {
  padding-inline: 20px;
}

/* 面包屑 */
.page-privacy .breadcrumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-400);
  margin-bottom: 30px;
}

.page-privacy .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-privacy .breadcrumbs li + li::before {
  content: "/";
  color: var(--ink-600);
}

.page-privacy .breadcrumbs a {
  color: var(--text-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-privacy .breadcrumbs a:hover,
.page-privacy .breadcrumbs a:focus-visible {
  color: var(--signal-500);
  border-bottom-color: var(--signal-500);
}

.page-privacy .breadcrumbs [aria-current="page"] {
  color: var(--paper-50);
}

/* 首屏 */
.page-privacy .privacy-hero {
  max-width: 54rem;
  margin-bottom: 34px;
}

.page-privacy .privacy-hero__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--signal-500);
  margin: 0 0 16px;
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper-50);
  margin: 0 0 20px;
}

.page-privacy .privacy-hero__lead {
  max-width: var(--pp-measure);
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--text-100);
  margin: 0 0 20px;
}

.page-privacy .privacy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

.page-privacy .privacy-meta__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-400);
  border: var(--pp-line);
  padding: 6px 10px;
}

.page-privacy .privacy-meta__tag--flow {
  color: var(--flow-500);
  border-color: var(--flow-700);
}

/* 顶部信息图 */
.page-privacy .privacy-figure {
  margin: 0 0 40px;
  border: var(--pp-line);
  background: var(--ink-800);
}

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

.page-privacy .privacy-figure figcaption {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--text-400);
  padding: 10px 14px;
  border-top: var(--pp-line);
}

/* 布局：目录 + 正文 */
.page-privacy .privacy-layout {
  display: grid;
  gap: 30px;
}

.page-privacy .privacy-toc {
  border: var(--pp-line);
  background: var(--ink-800);
  padding: 18px;
}

.page-privacy .privacy-toc__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-400);
  margin: 0 0 14px;
}

.page-privacy .privacy-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
}

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

.page-privacy .privacy-toc a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 12px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-100);
  text-decoration: none;
  border: 1px solid var(--ink-600);
  border-left: 3px solid var(--ink-600);
  white-space: nowrap;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-privacy .privacy-toc a:hover,
.page-privacy .privacy-toc a:focus-visible {
  background: rgba(255, 107, 44, 0.1);
  border-left-color: var(--signal-500);
  color: var(--paper-50);
}

.page-privacy .privacy-toc__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--flow-500);
}

/* 章节卡片 */
.page-privacy .privacy-body {
  min-width: 0;
}

.page-privacy .privacy-card {
  position: relative;
  isolation: isolate;
  background: var(--paper-50);
  color: var(--ink-on-paper);
  border: 1px solid var(--paper-200);
  padding: 26px 20px 28px;
  margin-bottom: 26px;
}

.page-privacy .privacy-card::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 10px;
  right: -9px;
  bottom: -9px;
  background: var(--ink-800);
  z-index: -1;
  opacity: 0.85;
}

.page-privacy .privacy-card:last-of-type {
  margin-bottom: 18px;
}

.page-privacy .privacy-card__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--flow-700);
  margin: 0 0 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--pp-paper-line);
}

.page-privacy .privacy-card h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 4.2vw, 27px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink-on-paper);
  margin: 12px 0 14px;
  max-width: var(--pp-measure);
}

.page-privacy .privacy-card h3 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--ink-on-paper);
  margin: 22px 0 8px;
  padding-left: 12px;
  border-left: 3px solid var(--flow-500);
}

.page-privacy .privacy-card p {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-on-paper);
  margin: 0 0 14px;
  max-width: var(--pp-measure);
}

.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 11px;
  max-width: var(--pp-measure);
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-on-paper);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 11px;
  height: 2px;
  background: var(--flow-500);
}

.page-privacy .privacy-list--signal li::before {
  background: var(--signal-500);
}

.page-privacy .privacy-list strong {
  font-weight: 700;
}

/* 留存时长条目 */
.page-privacy .privacy-facts {
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  max-width: var(--pp-measure);
  border-top: 1px solid var(--pp-paper-line);
}

.page-privacy .privacy-facts dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--flow-700);
  padding: 14px 0 2px;
}

.page-privacy .privacy-facts dd {
  margin: 0;
  padding: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink-on-paper);
  border-bottom: 1px solid var(--pp-paper-line);
}

/* 折叠补充 */
.page-privacy .privacy-more {
  max-width: var(--pp-measure);
  border: 1px dashed rgba(27, 39, 53, 0.3);
  background: rgba(220, 213, 198, 0.42);
  padding: 12px 14px;
  margin: 4px 0 6px;
}

.page-privacy .privacy-more summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-on-paper);
}

.page-privacy .privacy-more summary:focus-visible {
  outline: 2px solid var(--signal-500);
  outline-offset: 2px;
}

.page-privacy .privacy-more[open] summary {
  margin-bottom: 10px;
}

.page-privacy .privacy-more p {
  margin: 0;
  font-size: 15px;
}

/* 联系方式块 */
.page-privacy .privacy-contact {
  background: var(--ink-800);
  border: var(--pp-line);
  border-left: 3px solid var(--signal-500);
  padding: 18px 20px;
  margin: 20px 0 0;
  max-width: var(--pp-measure);
}

.page-privacy .privacy-contact__title {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--signal-500);
  margin: 0 0 10px;
}

.page-privacy .privacy-contact p {
  color: var(--text-100);
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
  max-width: none;
}

.page-privacy .privacy-contact a {
  color: var(--signal-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 44, 0.5);
  word-break: break-all;
}

.page-privacy .privacy-contact a:hover,
.page-privacy .privacy-contact a:focus-visible {
  color: var(--paper-50);
  border-bottom-color: var(--paper-50);
}

.page-privacy .privacy-card__note {
  font-size: 15px;
  color: var(--ink-on-paper);
  border-top: 1px solid var(--pp-paper-line);
  padding-top: 14px;
}

.page-privacy .privacy-card__note a {
  color: var(--flow-700);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 105, 79, 0.45);
}

.page-privacy .privacy-card__note a:hover,
.page-privacy .privacy-card__note a:focus-visible {
  color: var(--ember-600);
  border-bottom-color: var(--ember-600);
}

/* 相关页面 */
.page-privacy .privacy-related {
  border: var(--pp-line);
  padding: 22px 20px;
  margin-bottom: 22px;
}

.page-privacy .privacy-related__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--text-400);
  font-weight: 400;
  margin: 0 0 16px;
}

.page-privacy .privacy-related__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-related__list li {
  display: grid;
  gap: 3px;
  padding: 12px 14px;
  border-left: 3px solid var(--ink-600);
  background: var(--ink-800);
  transition: border-color 0.2s ease;
}

.page-privacy .privacy-related__list li:hover {
  border-left-color: var(--signal-500);
}

.page-privacy .privacy-related__list a {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16px;
  color: var(--paper-50);
  text-decoration: none;
}

.page-privacy .privacy-related__list a:hover,
.page-privacy .privacy-related__list a:focus-visible {
  color: var(--signal-500);
}

.page-privacy .privacy-related__list span {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-400);
}

/* 回到顶部 */
.page-privacy .privacy-top-wrap {
  margin: 0;
  text-align: center;
}

.page-privacy .privacy-top {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-100);
  text-decoration: none;
  border: var(--pp-line);
  padding: 10px 18px;
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  color: var(--ink-950);
  background: var(--flow-500);
  border-color: var(--flow-500);
}

/* 桌面端 */
@media (min-width: 960px) {
  .page-privacy {
    padding-top: 40px;
  }

  .page-privacy .container {
    padding-inline: 28px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding: 22px 20px;
  }

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

  .page-privacy .privacy-toc li {
    flex: 1 1 auto;
  }

  .page-privacy .privacy-toc a {
    border: none;
    border-left: 2px solid var(--ink-600);
    white-space: normal;
    padding: 10px 12px;
  }

  .page-privacy .privacy-toc a:hover,
  .page-privacy .privacy-toc a:focus-visible {
    border-left-color: var(--signal-500);
  }

  .page-privacy .privacy-card {
    padding: 34px 36px 36px;
    margin-bottom: 34px;
  }

  .page-privacy .privacy-card::before {
    top: 12px;
    left: 12px;
    right: -11px;
    bottom: -11px;
  }

  .page-privacy .privacy-facts dt {
    padding-top: 16px;
  }

  .page-privacy .privacy-related {
    padding: 26px 28px;
  }

  .page-privacy .privacy-related__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (max-width: 959px) {
  .page-privacy .privacy-card::before {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy * {
    transition: none !important;
    animation: none !important;
  }
}