.page-privacy {
  --privacy-measure: 42em;
  --privacy-rail: 200px;
  --privacy-gap: clamp(32px, 5vw, 72px);
  background: var(--abyss-900);
}

/* 顶部氛围横幅 —— 收束到一条窄边，不喧宾夺主 */
.page-privacy .privacy-hero {
  position: relative;
  background: var(--abyss-950);
  border-bottom: var(--hairline);
  overflow: hidden;
}

.page-privacy .privacy-hero img {
  display: block;
  width: 100%;
  height: clamp(180px, 22vw, 300px);
  object-fit: cover;
  object-position: center;
  opacity: 0.5;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 8, 15, 0.15) 0%, rgba(5, 8, 15, 0.55) 55%, var(--abyss-900) 100%);
  pointer-events: none;
}

/* 面包屑：贴住横幅下沿 */
.page-privacy .crumbs {
  padding: 22px 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.page-privacy .crumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .crumbs-item {
  color: var(--ink-300);
}

.page-privacy .crumbs-item + .crumbs-item::before {
  content: "/";
  margin-right: 10px;
  color: var(--abyss-700);
}

.page-privacy .crumbs-item a {
  color: var(--ink-300);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.28s var(--ease), border-color 0.28s var(--ease);
}

.page-privacy .crumbs-item a:hover,
.page-privacy .crumbs-item a:focus-visible {
  color: var(--ink-050);
  border-bottom-color: var(--celadon-400);
}

.page-privacy .crumbs-item[aria-current="page"] {
  color: var(--ink-050);
}

/* 导语区 */
.page-privacy .privacy-intro {
  max-width: 46em;
  padding: clamp(34px, 5vw, 60px) 0 clamp(30px, 4vw, 52px);
}

.page-privacy .privacy-intro .eyebrow {
  margin: 0 0 16px;
  color: var(--celadon-400);
}

.page-privacy .privacy-intro h1 {
  margin: 0 0 20px;
  font-size: clamp(1.8rem, 3.6vw, 2.7rem);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: 0.01em;
  color: var(--ink-050);
}

.page-privacy .privacy-intro .lead {
  margin: 0;
  max-width: 34em;
  color: var(--ink-300);
  font-size: 1rem;
  line-height: 1.85;
}

/* 窄栏 + 右侧条款索引 */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: var(--privacy-measure) var(--privacy-rail);
  gap: var(--privacy-gap);
  justify-content: center;
  align-items: start;
  padding-bottom: clamp(40px, 6vw, 80px);
}

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

.page-privacy .clause {
  padding-top: clamp(26px, 3.5vw, 42px);
  border-top: var(--hairline);
}

.page-privacy .clause + .clause {
  margin-top: clamp(30px, 4vw, 52px);
}

.page-privacy .clause-head {
  display: flex;
  align-items: baseline;
  gap: 0.9em;
  margin-bottom: 0.9em;
}

.page-privacy .clause-index {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--celadon-400);
}

.page-privacy .clause-title {
  margin: 0;
  font-size: clamp(1.12rem, 1.7vw, 1.38rem);
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink-050);
}

.page-privacy .clause p {
  margin: 0 0 1.05em;
  max-width: 40em;
  color: var(--ink-300);
  font-size: 0.97rem;
  line-height: 1.9;
}

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

.page-privacy .clause p a {
  color: var(--ink-050);
  text-decoration: none;
  border-bottom: 1px solid var(--celadon-600);
  transition: border-color 0.28s var(--ease), color 0.28s var(--ease);
}

.page-privacy .clause p a:hover,
.page-privacy .clause p a:focus-visible {
  color: var(--celadon-400);
  border-bottom-color: var(--celadon-400);
}

/* 条款重点标注 */
.page-privacy .clause-key {
  color: var(--ink-050);
  border-bottom: 1px solid var(--celadon-400);
  padding-bottom: 1px;
}

/* 右侧条款索引 */
.page-privacy .privacy-rail {
  position: sticky;
  top: 92px;
  align-self: start;
  padding-left: 18px;
  border-left: var(--hairline);
}

.page-privacy .rail-label {
  margin: 0 0 12px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--ink-300);
}

.page-privacy .rail-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-privacy .rail-link {
  display: flex;
  align-items: baseline;
  gap: 0.6em;
  padding: 6px 0;
  color: var(--ink-300);
  font-size: 0.82rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.28s var(--ease);
}

.page-privacy .rail-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  opacity: 0.75;
}

.page-privacy .rail-link:hover,
.page-privacy .rail-link:focus-visible {
  color: var(--ink-050);
}

.page-privacy .rail-link[data-active] {
  color: var(--coral-500);
}

.page-privacy .rail-link[data-active] .rail-num {
  color: var(--coral-500);
  opacity: 1;
}

/* 底部延伸阅读 */
.page-privacy .privacy-foot {
  max-width: var(--privacy-measure);
  margin: 0 auto;
  padding-top: clamp(24px, 3vw, 36px);
  border-top: var(--hairline);
}

.page-privacy .privacy-foot p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.85;
}

.page-privacy .privacy-foot a {
  color: var(--ink-050);
  text-decoration: none;
  border-bottom: 1px solid var(--celadon-600);
  transition: border-color 0.28s var(--ease), color 0.28s var(--ease);
}

.page-privacy .privacy-foot a:hover,
.page-privacy .privacy-foot a:focus-visible {
  color: var(--celadon-400);
  border-bottom-color: var(--celadon-400);
}

/* 窄屏：索引转为横向标签条，正文单栏铺满 */
@media (max-width: 1060px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }

  .page-privacy .privacy-rail {
    position: static;
    padding: 16px 0 18px;
    border-left: 0;
    border-top: var(--hairline);
    border-bottom: var(--hairline);
  }

  .page-privacy .rail-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 20px;
  }

  .page-privacy .rail-link {
    padding: 4px 0;
  }

  .page-privacy .rail-label {
    margin-bottom: 8px;
  }

  .page-privacy .privacy-foot {
    max-width: none;
  }
}

@media (max-width: 620px) {
  .page-privacy .clause-head {
    flex-direction: column;
    gap: 6px;
  }

  .page-privacy .clause p {
    font-size: 0.95rem;
    line-height: 1.85;
  }

  .page-privacy .privacy-intro h1 {
    font-size: 1.7rem;
  }
}

/* 无动效偏好下，所有内容保持完整可读 */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail {
    position: static;
  }

  .page-privacy .rail-link,
  .page-privacy .clause p a,
  .page-privacy .privacy-foot a {
    transition: none;
  }
}