.page-privacy {
  --pv-measure: 660px;
  --pv-sticky-top: 28px;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-sans);
}

.page-privacy .privacy-breadcrumb {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding: clamp(22px, 4vw, 46px) 0 clamp(18px, 3vw, 32px);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-kicker {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--blue);
}

.page-privacy .privacy-h1 {
  margin: 0;
  max-width: 20ch;
  font-size: clamp(28px, 5.6vw, 58px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.page-privacy .privacy-lede {
  margin: 20px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray);
}

.page-privacy .privacy-stamp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gray);
}

.page-privacy .privacy-stamp::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--orange);
}

/* ---------- 窄幅横图 ---------- */
.page-privacy .privacy-figure {
  margin: clamp(20px, 3vw, 32px) 0 0;
}

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

/* ---------- 主体网格 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding: clamp(26px, 4vw, 46px) 0 clamp(72px, 10vw, 160px);
}

/* ---------- 左侧章节刻度 ---------- */
.page-privacy .privacy-rail {
  order: -1;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-privacy .privacy-rail-head {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-privacy .privacy-rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-privacy .privacy-rail-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 11px;
  border: 1px solid var(--line);
  color: var(--gray);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.5;
  transition: color 160ms ease-out, border-color 160ms ease-out, background-color 160ms ease-out;
}

.page-privacy .privacy-rail-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mist);
}

.page-privacy .privacy-rail-text {
  min-width: 0;
}

.page-privacy .privacy-rail-link:hover,
.page-privacy .privacy-rail-link:focus-visible {
  color: var(--navy);
  border-color: var(--blue);
  background: var(--snow);
}

.page-privacy .privacy-rail-link:hover .privacy-rail-num,
.page-privacy .privacy-rail-link:focus-visible .privacy-rail-num {
  color: var(--orange);
}

/* ---------- 长文主体 ---------- */
.page-privacy .privacy-doc {
  min-width: 0;
  max-width: var(--pv-measure);
  overflow-wrap: break-word;
}

.page-privacy .privacy-section {
  margin-top: clamp(32px, 5vw, 52px);
  padding-top: clamp(18px, 3vw, 26px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

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

.page-privacy .privacy-section:target .privacy-num {
  color: var(--orange);
}

.page-privacy .privacy-section:target .privacy-title::after {
  content: "";
  display: block;
  width: 46px;
  height: 2px;
  margin-top: 10px;
  background: var(--orange);
}

.page-privacy .privacy-section-head {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-privacy .privacy-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--blue);
}

.page-privacy .privacy-title {
  margin: 0;
  font-size: clamp(19px, 2.6vw, 26px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--navy);
}

.page-privacy .privacy-content {
  margin-top: 18px;
}

.page-privacy .privacy-content > p {
  max-width: 58ch;
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

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

.page-privacy .privacy-sub {
  margin: 24px 0 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
}

.page-privacy .privacy-content a {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy .privacy-content a:hover,
.page-privacy .privacy-content a:focus-visible {
  color: var(--orange);
}

/* ---------- 条目列表 ---------- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 4px 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .privacy-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--mist);
  background: linear-gradient(90deg, rgba(234, 245, 253, 0.85), rgba(255, 255, 255, 0) 78%);
  font-size: 15px;
  line-height: 1.72;
  color: var(--gray);
}

.page-privacy .privacy-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--blue);
  white-space: nowrap;
}

/* ---------- 联系卡片 ---------- */
.page-privacy .privacy-contact {
  margin: 22px 0 18px;
  padding: 18px 20px 20px;
  border: 1px solid var(--line-soft);
  background: linear-gradient(135deg, rgba(11, 59, 102, 0.06), rgba(127, 196, 242, 0.16));
}

.page-privacy .privacy-contact-label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--navy-mid);
}

.page-privacy .privacy-contact-mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.4vw, 18px);
  color: var(--navy);
  overflow-wrap: anywhere;
}

.page-privacy .privacy-contact-note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 更新记录 ---------- */
.page-privacy .privacy-log {
  margin-top: clamp(44px, 6vw, 72px);
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-log-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 8px 0;
  background: none;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
}

.page-privacy .privacy-log-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
}

.page-privacy .privacy-log-cue {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 1px;
  background: var(--blue);
}

.page-privacy .privacy-log-cue::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1px;
  height: 11px;
  background: var(--blue);
  transform: translate(-50%, -50%) scaleY(1);
  transition: transform 160ms ease-out;
}

.page-privacy .privacy-log-btn[aria-expanded="true"] .privacy-log-cue::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-privacy .privacy-log-panel {
  padding: 12px 0 4px;
}

.page-privacy .privacy-log-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 2px;
  display: grid;
  gap: 14px;
  border-left: 1px solid var(--line);
}

.page-privacy .privacy-log-list li {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

.page-privacy .privacy-log-list li::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 10px;
  width: 5px;
  height: 1px;
  background: var(--neon);
}

.page-privacy .privacy-log-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
  white-space: nowrap;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .privacy-list li {
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-privacy .privacy-log-list li {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

@media (min-width: 768px) {
  .page-privacy .privacy-content {
    padding-left: 46px;
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: clamp(40px, 6vw, 88px);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    order: 0;
    position: sticky;
    top: var(--pv-sticky-top);
    padding: 2px 0 2px 20px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-privacy .privacy-rail-list {
    display: grid;
    gap: 2px;
  }

  .page-privacy .privacy-rail-link {
    display: grid;
    grid-template-columns: 26px minmax(0, 1fr);
    gap: 8px;
    padding: 9px 0;
    border: 0;
    background: none;
    font-size: 14px;
  }

  .page-privacy .privacy-rail-link:hover,
  .page-privacy .privacy-rail-link:focus-visible {
    color: var(--navy);
    background: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail-link,
  .page-privacy .privacy-log-cue::after {
    transition: none;
  }
}