.page-privacy {
  --privacy-measure: 38em;
  --privacy-gap: clamp(24px, 4vw, 48px);
  position: relative;
  background-image:
    linear-gradient(90deg, rgba(14, 42, 71, .04) 1px, transparent 1px),
    linear-gradient(rgba(14, 42, 71, .04) 1px, transparent 1px);
  background-size: 96px 96px;
  padding-bottom: clamp(56px, 8vw, 112px);
}

.page-privacy .privacy-hero {
  padding: clamp(28px, 5vw, 64px) 0 clamp(20px, 3vw, 36px);
}

.page-privacy .privacy-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(29px, 5.2vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.012em;
  color: var(--ink);
  margin: 14px 0 0;
  max-width: 20em;
}

.page-privacy .privacy-lead {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.9;
  color: var(--ink-mist);
  max-width: var(--privacy-measure);
  margin: 20px 0 0;
}

.page-privacy .privacy-banner {
  margin: 0;
  aspect-ratio: 8 / 3;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--hair);
  background: linear-gradient(140deg, var(--ink) 0%, var(--ink-mid) 58%, var(--ink-mist) 100%);
}

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

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--privacy-gap);
  padding-top: clamp(40px, 6vw, 84px);
}

/* ---- 章节索引 ---- */
.page-privacy .privacy-toc {
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  padding: 14px 0;
}

.page-privacy .privacy-toc-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ink-mist);
  margin: 0 0 10px;
}

.page-privacy .privacy-toc-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-toc-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  background: var(--card);
  border: 1px solid var(--hair);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 13px;
  text-decoration: none;
  transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease), color var(--t) var(--ease);
}

.page-privacy .privacy-toc-link:hover,
.page-privacy .privacy-toc-link:focus-visible {
  border-color: var(--gold);
  background: var(--gold-soft);
  outline: none;
}

.page-privacy .privacy-toc-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--ink-mist);
  flex: none;
}

/* ---- 正文 ---- */
.page-privacy .privacy-section {
  scroll-margin-top: 108px;
  padding-top: clamp(24px, 3.5vw, 40px);
  border-top: 1px solid var(--hair);
}

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

.page-privacy .privacy-section + .privacy-section {
  margin-top: clamp(44px, 6vw, 80px);
}

.page-privacy .privacy-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
}

.page-privacy .privacy-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink);
  background: var(--gold-soft);
  border-radius: var(--r-pill);
  padding: 3px 11px;
  flex: none;
}

.page-privacy .privacy-h2 {
  position: relative;
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3vw, 32px);
  line-height: 1.25;
  color: var(--ink);
  margin: 0;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hair);
}

.page-privacy .privacy-h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 64px;
  height: 2px;
  border-radius: 2px;
  background: var(--gold);
}

.page-privacy .privacy-p {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--graphite);
  max-width: var(--privacy-measure);
  margin: 18px 0 0;
}

.page-privacy .privacy-point {
  max-width: var(--privacy-measure);
  margin: 24px 0 0;
}

.page-privacy .privacy-point h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--ink-mid);
  margin: 0 0 6px;
}

.page-privacy .privacy-point p {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--graphite);
  margin: 0;
}

.page-privacy .privacy-inline-link {
  color: var(--ink-mid);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 1px;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-privacy .privacy-inline-link:hover,
.page-privacy .privacy-inline-link:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
  outline: none;
}

.page-privacy .privacy-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 16px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--graphite);
}

.page-privacy .privacy-list li:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: .78em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
}

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

/* ---- 留存期限 ---- */
.page-privacy .privacy-keep {
  margin-top: 26px;
  border-top: 1px solid var(--hair);
}

.page-privacy .privacy-keep-row {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--hair);
}

.page-privacy .privacy-keep-value {
  margin: 0;
}

.page-privacy .privacy-keep-body h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-mid);
  margin: 0 0 6px;
}

.page-privacy .privacy-keep-body p {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--graphite);
  margin: 0;
  max-width: 36em;
}

/* ---- 折叠面板 ---- */
.page-privacy .privacy-fold {
  margin-top: 24px;
  max-width: 40em;
  background: var(--card);
  border: 1px solid var(--hair);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-privacy .privacy-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  transition: background-color var(--t) var(--ease);
}

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

.page-privacy .privacy-fold summary:hover {
  background: var(--gold-soft);
}

.page-privacy .privacy-fold summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--gold);
  flex: none;
  transition: transform var(--t) var(--ease);
}

.page-privacy .privacy-fold[open] summary::after {
  content: "－";
}

.page-privacy .privacy-fold-body {
  padding: 2px 20px 18px;
  border-top: 1px solid var(--hair);
}

.page-privacy .privacy-fold-body p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.9;
  color: var(--graphite);
  max-width: 36em;
  margin: 12px 0 0;
}

/* ---- 联系方式 ---- */
.page-privacy .privacy-contact {
  margin: 24px 0 0;
  max-width: 40em;
}

.page-privacy .privacy-contact .contact-row {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hair);
}

.page-privacy .privacy-contact .contact-row:first-child {
  border-top: 1px solid var(--hair);
}

.page-privacy .privacy-contact .contact-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--ink-mist);
}

.page-privacy .privacy-contact .contact-value {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  word-break: break-word;
}

/* ---- 结尾提示 ---- */
.page-privacy .privacy-outro {
  margin-top: clamp(48px, 7vw, 92px);
  padding: clamp(26px, 4.5vw, 52px);
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, var(--ink-deep) 0%, var(--ink) 62%, var(--ink-mid) 100%);
  color: var(--paper);
}

.page-privacy .privacy-outro-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.3;
  color: #FFFDF8;
  margin: 0;
}

.page-privacy .privacy-outro-text {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: rgba(245, 241, 232, .8);
  max-width: var(--privacy-measure);
  margin: 14px 0 0;
}

.page-privacy .privacy-outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-privacy .privacy-outro .btn--ghost {
  color: var(--paper);
  border-color: rgba(245, 241, 232, .45);
}

.page-privacy .privacy-outro .btn--ghost:hover,
.page-privacy .privacy-outro .btn--ghost:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
  background: rgba(212, 162, 76, .12);
}

/* ---- 返回顶部 ---- */
.page-privacy .privacy-top {
  position: fixed;
  right: clamp(14px, 3vw, 32px);
  bottom: clamp(14px, 3vw, 32px);
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--r-pill);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: .04em;
  text-decoration: none;
  border: 1px solid var(--ink-mid);
  box-shadow: 0 12px 26px rgba(8, 25, 43, .24);
  transition: background-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  background: var(--ink-deep);
  border-color: var(--gold);
  transform: translateY(-2px);
  outline: none;
}

/* ---- 响应式 ---- */
@media (min-width: 700px) {
  .page-privacy .privacy-keep-row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-privacy .privacy-contact .contact-row {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(40px, 6vw, 84px);
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 108px;
    align-self: start;
    border: 0;
    padding: 0;
  }

  .page-privacy .privacy-toc-list {
    display: block;
    overflow: visible;
    padding: 0;
    border-left: 1px solid var(--hair);
  }

  .page-privacy .privacy-toc-list li + li {
    margin-top: 2px;
  }

  .page-privacy .privacy-toc-link {
    display: flex;
    white-space: normal;
    padding: 9px 0 9px 16px;
    margin-left: -1px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    color: var(--ink-mid);
    font-size: 14px;
    line-height: 1.5;
  }

  .page-privacy .privacy-toc-link:hover,
  .page-privacy .privacy-toc-link:focus-visible {
    background: transparent;
    border-left-color: var(--gold);
    color: var(--ink);
  }
}

@media (min-width: 1100px) {
  .page-privacy .privacy-section {
    scroll-margin-top: 120px;
  }

  .page-privacy .privacy-banner {
    aspect-ratio: 8 / 2.8;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc-link,
  .page-privacy .privacy-fold summary,
  .page-privacy .privacy-fold summary::after,
  .page-privacy .privacy-top,
  .page-privacy .privacy-inline-link {
    transition: none;
  }

  .page-privacy .privacy-top:hover,
  .page-privacy .privacy-top:focus-visible {
    transform: none;
  }
}