.page-privacy {
  position: relative;
  padding-bottom: clamp(56px, 9vw, 112px);
}

/* 顶部阅读进度线 */
.page-privacy .privacy-meter {
  position: sticky;
  top: 0;
  z-index: 6;
  height: 3px;
  background: var(--line);
}

.page-privacy .privacy-meter::after {
  content: "";
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-mist) 45%, var(--orange));
  transform-origin: 0 50%;
  transform: scaleX(0);
  animation: privacy-progress linear both;
  animation-timeline: scroll(root block);
}

@keyframes privacy-progress {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* 面包屑间距 */
.page-privacy .breadcrumb {
  padding-top: clamp(20px, 3vw, 34px);
}

/* 页头 */
.page-privacy .privacy-head {
  max-width: 54rem;
  margin-top: clamp(20px, 3.4vw, 38px);
}

.page-privacy .privacy-head .eyebrow {
  color: var(--cyan);
}

.page-privacy h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 6vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  text-wrap: balance;
}

.page-privacy .lede {
  max-width: 34rem;
  margin: 20px 0 0;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.78;
  color: var(--muted);
}

/* 目录胶囊 */
.page-privacy .privacy-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-toc a {
  display: inline-block;
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--panel);
  font-size: 13px;
  line-height: 1.4;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-privacy .privacy-toc a:hover,
.page-privacy .privacy-toc a:focus-visible {
  color: var(--cyan-mist);
  border-color: var(--cyan);
  background: var(--panel-lift);
}

/* 顶部装饰图 */
.page-privacy .privacy-art {
  margin: clamp(34px, 5vw, 56px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  overflow: hidden;
  background: var(--teal);
}

.page-privacy .privacy-art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 600;
  object-fit: cover;
}

/* 条款分节 */
.page-privacy .clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  padding: clamp(36px, 5vw, 56px) 0 0;
  scroll-margin-top: 96px;
}

.page-privacy .clause + .clause {
  margin-top: clamp(36px, 5vw, 56px);
  border-top: 1px solid var(--line);
}

.page-privacy .clause::before {
  content: "";
  grid-column: 1 / -1;
  width: 44px;
  height: 2px;
  margin-bottom: 22px;
  border-radius: 2px;
  background: var(--cyan);
}

/* 旁注 */
.page-privacy .clause__aside {
  margin-bottom: 14px;
}

.page-privacy .clause__brief {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--amber);
  letter-spacing: 0.01em;
}

/* 正文 */
.page-privacy .clause__title {
  display: block;
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-privacy .clause__num {
  display: inline-block;
  margin-right: 12px;
  font-family: var(--font-mono);
  font-size: 0.72em;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-privacy .clause__body p {
  max-width: 38rem;
  margin: 14px 0 0;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .clause__body p:first-of-type {
  margin-top: 0;
}

.page-privacy .clause__body a:not(.btn) {
  color: var(--cyan);
  text-decoration-color: var(--line);
  text-underline-offset: 3px;
  word-break: break-all;
}

.page-privacy .clause__body a:not(.btn):hover {
  color: var(--cyan-mist);
  text-decoration-color: var(--cyan);
}

/* 信息类别 */
.page-privacy .privacy-facts {
  max-width: 38rem;
  margin: 0;
}

.page-privacy .privacy-facts dt {
  position: relative;
  margin-top: 20px;
  padding-left: 16px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}

.page-privacy .privacy-facts dt::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-privacy .privacy-facts dt:first-of-type {
  margin-top: 0;
}

.page-privacy .privacy-facts dd {
  margin: 7px 0 0;
  padding-left: 16px;
  line-height: 1.78;
  color: var(--muted);
}

/* 用途列表 */
.page-privacy .privacy-uses {
  display: grid;
  gap: 16px;
  max-width: 38rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-uses li {
  padding: 2px 0 2px 16px;
  border-left: 2px solid var(--line);
}

.page-privacy .privacy-uses strong {
  display: block;
  margin-bottom: 4px;
  font-weight: 700;
  color: var(--text);
}

.page-privacy .privacy-uses span {
  line-height: 1.78;
  color: var(--muted);
}

/* 版本提示 */
.page-privacy .clause__version {
  max-width: 38rem;
  margin-top: 28px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--teal);
}

.page-privacy .clause__version p {
  margin: 12px 0 0;
  max-width: none;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-privacy .clause__version .pill {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* 底部动作 */
.page-privacy .privacy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: none;
  margin-top: 26px;
}

/* 平板与桌面 */
@media (min-width: 860px) {
  .page-privacy .clause {
    grid-template-columns: 200px minmax(0, 1fr);
    column-gap: 40px;
  }

  .page-privacy .clause::before {
    margin-bottom: 26px;
  }

  .page-privacy .clause__aside {
    margin-bottom: 0;
    padding-right: 24px;
    border-right: 1px solid var(--line);
  }

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

@media (min-width: 1100px) {
  .page-privacy .clause {
    grid-template-columns: 220px minmax(0, 1fr);
    column-gap: 56px;
  }
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-meter::after {
    animation: none;
    transform: scaleX(1);
    opacity: 0.55;
  }

  .page-privacy .privacy-toc a {
    transition: none;
  }
}