.page-privacy {
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-privacy .breadcrumbs {
  padding-top: clamp(16px, 3vw, 26px);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-privacy .breadcrumbs a {
  color: var(--bone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}

.page-privacy .breadcrumbs a:hover {
  color: var(--peak);
  border-bottom-color: var(--away);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  display: grid;
  gap: clamp(22px, 5vw, 44px);
  padding: clamp(22px, 4vw, 40px) 0 clamp(30px, 5vw, 60px);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-title {
  margin: 10px 0 clamp(16px, 2.5vw, 24px);
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(29px, 6.6vw, 60px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--peak);
  max-width: 20ch;
}

.page-privacy .privacy-lede {
  max-width: 52ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--bone);
}

.page-privacy .privacy-hero-visual {
  margin: 0;
  max-width: 300px;
  width: 100%;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--slate), var(--ink-soft));
}

.page-privacy .privacy-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.92;
}

/* ---------- 主体：刻度轴 + 长文档 ---------- */
.page-privacy .privacy-body {
  display: grid;
  gap: clamp(26px, 5vw, 56px);
  padding-top: clamp(30px, 5vw, 56px);
}

.page-privacy .privacy-index {
  align-self: start;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-privacy .privacy-index .label {
  margin: 0 0 10px;
  color: var(--clay);
}

.page-privacy .privacy-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-index-link {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  color: var(--bone);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color 180ms ease, transform 180ms ease;
}

.page-privacy .privacy-index-link:hover {
  color: var(--peak);
  transform: translateX(3px);
}

.page-privacy .privacy-index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--away-lift);
}

.page-privacy .privacy-doc {
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-section {
  scroll-margin-top: 116px;
  padding-bottom: clamp(26px, 4.5vw, 46px);
  margin-bottom: clamp(26px, 4.5vw, 46px);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-section:last-child {
  border-bottom: 0;
  padding-bottom: 0;
  margin-bottom: 0;
}

.page-privacy .privacy-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--clay);
  margin-bottom: 10px;
}

.page-privacy .privacy-h2 {
  margin: 0 0 14px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(20px, 3.4vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--peak);
}

.page-privacy .privacy-section p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--bone);
  max-width: 64ch;
}

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

.page-privacy .privacy-section a {
  color: var(--away-lift);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 99, 255, 0.45);
  transition: color 180ms ease, border-color 180ms ease;
}

.page-privacy .privacy-section a:hover {
  color: var(--peak);
  border-bottom-color: var(--peak);
}

/* ---------- 条目列表 ---------- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  max-width: 68ch;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--bone);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 1px;
  background: var(--away);
}

.page-privacy .privacy-list strong {
  color: var(--peak);
  font-weight: 700;
  margin-right: 0.55em;
}

/* ---------- 强调说明 ---------- */
.page-privacy .privacy-note {
  margin: 24px 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--away);
}

.page-privacy .privacy-note p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--peak);
}

/* ---------- 可展开补充 ---------- */
.page-privacy .privacy-details {
  margin: 22px 0 0;
  max-width: 66ch;
  border: 1px solid var(--line);
  background: var(--ink-soft);
}

.page-privacy .privacy-details summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--peak);
}

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

.page-privacy .privacy-details summary::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--away-lift);
}

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

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

.page-privacy .privacy-details-body {
  padding: 16px 18px 18px;
}

.page-privacy .privacy-details-body p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--bone);
}

/* ---------- 页尾刻度与返回顶部 ---------- */
.page-privacy .privacy-rule {
  margin-top: clamp(38px, 6vw, 70px);
  height: 12px;
  border-bottom: 1px solid var(--line);
  background-image: repeating-linear-gradient(
    to right,
    var(--line) 0 1px,
    transparent 1px 20px
  );
}

.page-privacy .privacy-top {
  display: inline-flex;
  align-items: center;
  margin-top: 24px;
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: var(--ink-soft);
  color: var(--bone);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.page-privacy .privacy-top:hover {
  border-color: var(--away);
  color: var(--peak);
  transform: translateY(-2px);
}

/* ---------- 桌面：非对称双栏 + 纵向刻度轴 ---------- */
@media (min-width: 900px) {
  .page-privacy .privacy-hero {
    grid-template-columns: minmax(0, 1fr) minmax(180px, 280px);
    align-items: end;
    gap: clamp(32px, 6vw, 72px);
  }

  .page-privacy .privacy-hero-visual {
    justify-self: end;
  }

  .page-privacy .privacy-body {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(32px, 4.5vw, 68px);
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: 108px;
    align-self: start;
    border-top: 0;
    padding-top: 0;
    padding-left: 18px;
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-doc {
    position: relative;
    padding-left: 96px;
  }

  .page-privacy .privacy-doc::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 0;
    width: 1px;
    background: linear-gradient(180deg, var(--line) 0%, var(--line) 86%, transparent 100%);
  }

  .page-privacy .privacy-section {
    position: relative;
  }

  .page-privacy .privacy-num {
    position: absolute;
    left: -96px;
    top: 2px;
    width: 96px;
    padding-right: 26px;
    text-align: right;
    margin-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index-link,
  .page-privacy .privacy-top,
  .page-privacy .privacy-section a {
    transition: none;
  }

  .page-privacy .privacy-index-link:hover,
  .page-privacy .privacy-top:hover {
    transform: none;
  }
}