.page-privacy {
  --privacy-col: 620px;
  --privacy-rail: 196px;
  --privacy-shadow: 4px 4px 0 rgba(4, 10, 24, 0.85);
  --privacy-text: rgba(243, 234, 218, 0.86);
}

.page-privacy .privacy-hero {
  max-width: 720px;
  padding: 10px 0 8px;
}

.page-privacy .privacy-hero .eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
  border-bottom: 1px solid var(--gold-dim);
  padding-bottom: 6px;
  margin: 0 0 18px;
}

.page-privacy .privacy-title {
  margin: 0 0 20px;
  line-height: 1.28;
}

.page-privacy .privacy-hero .lead {
  margin: 0 0 16px;
  color: var(--paper);
}

.page-privacy .privacy-hero::after {
  content: "";
  display: block;
  width: 96px;
  height: 4px;
  margin-top: 24px;
  background: linear-gradient(90deg, var(--gold) 0 62%, var(--cinnabar) 62% 100%);
}

/* 页首通栏氛围图 */
.page-privacy .privacy-banner {
  margin: 26px 0 44px;
}

.page-privacy .privacy-banner .media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-width: 2px;
}

.page-privacy .privacy-banner .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.78);
}

.page-privacy .privacy-banner .media-caption {
  margin-top: 10px;
}

/* 阅读主体 + 小节导航 */
.page-privacy .privacy-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-privacy .privacy-rail-title {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-privacy .privacy-nav-list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .privacy-nav-item {
  flex: 0 0 auto;
}

.page-privacy .privacy-nav-link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  border: 2px solid var(--steel);
  background: var(--night);
  color: var(--paper);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-privacy .privacy-nav-link .num {
  color: var(--gold);
  font-size: 13px;
}

.page-privacy .privacy-nav-link:hover,
.page-privacy .privacy-nav-link:focus-visible {
  border-color: var(--gold);
  transform: translateX(2px);
}

/* 正文 */
.page-privacy .privacy-body {
  max-width: var(--privacy-col);
}

.page-privacy .privacy-body p {
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--privacy-text);
}

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

.page-privacy .privacy-body a:not(.btn) {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .privacy-section {
  scroll-margin-top: calc(var(--status-h) + 24px);
}

.page-privacy .privacy-section + .privacy-section {
  position: relative;
  margin-top: 56px;
  padding-top: 40px;
}

.page-privacy .privacy-section + .privacy-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--gold) 0 72px, var(--steel) 72px 100%);
}

.page-privacy .privacy-sec-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}

.page-privacy .privacy-num {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 2px solid var(--gold);
  color: var(--gold);
  font-size: 15px;
  letter-spacing: 0.05em;
}

.page-privacy .privacy-h2 {
  margin: 0;
  font-size: clamp(23px, 4.2vw, 30px);
  line-height: 1.35;
  color: var(--paper);
}

.page-privacy .privacy-key {
  border-left: 3px solid var(--gold);
  padding: 6px 0 6px 18px;
  color: var(--paper);
  font-size: 17px;
  line-height: 1.85;
}

/* 保留期限时间带 */
.page-privacy .privacy-timeline {
  position: relative;
  margin: 28px 0 26px;
  padding: 0 0 0 4px;
  list-style: none;
  display: grid;
  gap: 22px;
}

.page-privacy .privacy-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), var(--cinnabar));
}

.page-privacy .privacy-tl-item {
  position: relative;
  padding-left: 28px;
}

.page-privacy .privacy-tl-dot {
  position: absolute;
  left: 0;
  top: 5px;
  width: 12px;
  height: 12px;
  background: var(--ink);
  border: 2px solid var(--gold);
}

.page-privacy .privacy-tl-when {
  display: block;
  font-size: 15px;
  color: var(--gold);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.page-privacy .privacy-tl-what {
  display: block;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* 列表 */
.page-privacy .privacy-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list li {
  position: relative;
  padding: 0 0 0 18px;
  margin-bottom: 12px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--privacy-text);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  background: var(--gold-dim);
}

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

.page-privacy .privacy-list--wide li {
  font-size: 16px;
}

.page-privacy .privacy-list .tag {
  margin-right: 8px;
  vertical-align: 1px;
}

/* 两条路径并排 */
.page-privacy .privacy-paths {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin: 24px 0 22px;
}

.page-privacy .privacy-path {
  border: 2px solid var(--steel);
  background: var(--night);
  padding: 20px 20px 22px;
  box-shadow: var(--privacy-shadow);
}

.page-privacy .privacy-path-title {
  margin: 0 0 14px;
  font-size: 18px;
  color: var(--gold);
  letter-spacing: 0.04em;
}

/* 展开补充说明 */
.page-privacy .privacy-details {
  margin-top: 22px;
  border: 2px solid var(--steel);
  background: var(--night);
}

.page-privacy .privacy-details summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  font-size: 15px;
  color: var(--gold);
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .privacy-details summary::before {
  content: "+";
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1;
  color: var(--gold);
}

.page-privacy .privacy-details[open] summary::before {
  content: "–";
}

.page-privacy .privacy-details[open] summary {
  border-bottom: 1px solid var(--steel);
}

.page-privacy .privacy-details p {
  margin: 16px 0 18px;
  padding: 0 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-privacy .privacy-body .btn {
  margin: 0 10px 10px 0;
}

@media (min-width: 720px) {
  .page-privacy .privacy-banner {
    margin: 34px 0 56px;
  }

  .page-privacy .privacy-banner .media-frame {
    aspect-ratio: 1400 / 520;
  }

  .page-privacy .privacy-paths {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 22px;
  }

  .page-privacy .privacy-timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    padding: 0;
    margin: 34px 0 30px;
  }

  .page-privacy .privacy-timeline::before {
    left: 0;
    right: 0;
    top: 6px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), var(--cinnabar));
  }

  .page-privacy .privacy-tl-item {
    padding: 30px 20px 0 0;
  }

  .page-privacy .privacy-tl-dot {
    left: 0;
    top: 0;
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-hero {
    padding-top: 18px;
  }

  .page-privacy .privacy-shell {
    grid-template-columns: minmax(0, var(--privacy-col)) var(--privacy-rail);
    gap: 72px;
    max-width: 900px;
    margin: 0 auto;
  }

  .page-privacy .privacy-rail {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--status-h) + 22px);
    border-left: 2px solid var(--steel);
    padding-left: 18px;
  }

  .page-privacy .privacy-body {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .privacy-nav-list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-nav-item {
    flex: 0 0 auto;
  }

  .page-privacy .privacy-nav-link {
    white-space: normal;
    font-size: 13.5px;
    background: transparent;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-nav-link {
    transition: none;
  }

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