.page-privacy {
  --privacy-measure: 720px;
  --privacy-rail-h: 46vh;
  position: relative;
  padding: clamp(1.25rem, .8rem + 2.4vw, 3rem) 0 clamp(3rem, 2rem + 5vw, 6rem);
  overflow-x: clip;
}

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

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  max-width: 46rem;
  margin-top: 1.1rem;
}

.page-privacy .privacy-hero h1 {
  margin: .4rem 0 .85rem;
  font-size: clamp(2.1rem, 1.35rem + 3.6vw, 3.7rem);
  letter-spacing: -.032em;
  line-height: 1.05;
}

.page-privacy .privacy-hero .lede {
  margin: 0;
  font-size: clamp(1rem, .95rem + .3vw, 1.12rem);
  line-height: 1.8;
  color: var(--text);
  opacity: .92;
}

.page-privacy .privacy-hero__meta {
  margin: 1.1rem 0 0;
  padding-top: .85rem;
  border-top: 1px solid var(--line);
  font-size: .8rem;
  letter-spacing: .04em;
  color: var(--muted);
}

/* ---------- 页首纹理 ---------- */
.page-privacy .privacy-figure {
  margin: clamp(1.6rem, 1rem + 3vw, 2.8rem) 0 0;
}

.page-privacy .privacy-figure img {
  display: block;
  width: 100%;
  height: clamp(160px, 20vw, 280px);
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  background: var(--panel);
}

/* ---------- 章节导航 ---------- */
.page-privacy .privacy-toc {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .6rem;
  margin: clamp(1.4rem, 1rem + 2vw, 2.2rem) 0 0;
  padding: .85rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-toc__link {
  display: inline-block;
  padding: .38rem .8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .82rem;
  letter-spacing: .02em;
  color: var(--muted);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--cyan);
  border-color: rgba(47, 243, 214, .5);
  background: rgba(47, 243, 214, .06);
}

/* ---------- 主体布局 ---------- */
.page-privacy .privacy-layout {
  position: relative;
  margin-top: clamp(2rem, 1.4rem + 3vw, 3.4rem);
}

.page-privacy .privacy-body {
  max-width: var(--privacy-measure);
  margin: 0 auto;
}

/* ---------- 左侧阅读进度线 ---------- */
.page-privacy .privacy-rail {
  display: none;
}

.page-privacy .privacy-rail__fill {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleY(0);
  transform-origin: top center;
  background: linear-gradient(180deg, var(--cyan), var(--orange));
  border-radius: 999px;
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-section {
  margin-top: clamp(2rem, 1.5rem + 2.4vw, 3rem);
  padding-top: clamp(1.4rem, 1.1rem + 1.6vw, 2rem);
  border-top: 1px solid var(--line);
  scroll-margin-top: 6rem;
  transition: border-color .25s var(--ease);
}

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

.page-privacy .privacy-section:target {
  border-top-color: var(--cyan);
}

.page-privacy .privacy-h2 {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  margin: 0 0 .9rem;
  font-size: clamp(1.15rem, 1.02rem + .7vw, 1.5rem);
  letter-spacing: -.015em;
  line-height: 1.35;
}

.page-privacy .privacy-h2__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--cyan);
  transition: color .25s var(--ease);
}

.page-privacy .privacy-section:target .privacy-h2__num {
  color: var(--orange);
}

.page-privacy .privacy-body p {
  margin: 0;
  font-size: .97rem;
  line-height: 1.88;
  color: var(--text);
  opacity: .88;
}

.page-privacy .privacy-body p + p {
  margin-top: .85rem;
}

.page-privacy .privacy-body strong {
  color: var(--text);
  font-weight: 600;
  opacity: 1;
}

.page-privacy .privacy-list {
  margin: .2rem 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 1.55rem;
  font-size: .97rem;
  line-height: 1.85;
  color: var(--text);
  opacity: .88;
}

.page-privacy .privacy-list li + li {
  margin-top: .55rem;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .95em;
  width: .8rem;
  height: 1px;
  background: var(--cyan);
  opacity: .85;
}

/* ---------- 提示引用 ---------- */
.page-privacy .privacy-note {
  margin-top: 1.15rem !important;
  padding: .9rem 0 .9rem 1.1rem;
  border-left: 1px solid var(--cyan);
  background: linear-gradient(90deg, rgba(47, 243, 214, .07), rgba(47, 243, 214, 0) 72%);
  color: var(--text) !important;
  opacity: 1 !important;
}

/* ---------- 订阅数据条 ---------- */
.page-privacy .privacy-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 1.2rem 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  overflow: hidden;
}

.page-privacy .privacy-fact {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding: .9rem 1.05rem;
  background: var(--panel);
}

.page-privacy .privacy-fact__value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.3rem;
  letter-spacing: .01em;
  color: var(--cyan);
}

.page-privacy .privacy-fact__label {
  font-size: .78rem;
  letter-spacing: .05em;
  color: var(--muted);
}

/* ---------- 相关说明 ---------- */
.page-privacy .privacy-links {
  margin-top: clamp(2.4rem, 1.8rem + 3vw, 3.6rem);
  padding-top: clamp(1.4rem, 1.1rem + 1.6vw, 2rem);
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-links__title {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--muted);
}

.page-privacy .privacy-links__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: .7rem;
}

.page-privacy .privacy-link {
  display: block;
  padding: 1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  text-decoration: none;
  transition: border-color .22s var(--ease), transform .22s var(--ease), background-color .22s var(--ease);
}

.page-privacy .privacy-link:hover,
.page-privacy .privacy-link:focus-visible {
  border-color: rgba(47, 243, 214, .45);
  background: rgba(47, 243, 214, .05);
  transform: translateY(-2px);
}

.page-privacy .privacy-link__label {
  display: block;
  font-size: .95rem;
  font-weight: 600;
  color: var(--cyan);
}

.page-privacy .privacy-link__desc {
  display: block;
  margin-top: .35rem;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 返回顶部 ---------- */
.page-privacy .privacy-top {
  border: 1px solid var(--orange);
  color: var(--orange);
  background: rgba(7, 17, 32, .88);
  transition: background-color .2s var(--ease), color .2s var(--ease);
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  background: var(--orange);
  color: var(--ink);
}

/* ---------- 滚动驱动的进度线 ---------- */
@keyframes privacy-rail-progress {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

@supports (animation-timeline: scroll()) {
  .page-privacy .privacy-rail__fill {
    animation: privacy-rail-progress linear both;
    animation-timeline: scroll(root block);
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .privacy-facts {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-privacy .privacy-links__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1100px) {
  .page-privacy .privacy-rail {
    display: block;
    position: fixed;
    left: clamp(1.5rem, 3vw, 3.5rem);
    top: calc((100vh - var(--privacy-rail-h)) / 2);
    width: 2px;
    height: var(--privacy-rail-h);
    background: var(--line);
    border-radius: 999px;
    overflow: hidden;
    z-index: 3;
    pointer-events: none;
  }

  .page-privacy .privacy-hero {
    max-width: 52rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__fill {
    animation: none;
    transform: scaleY(1);
    opacity: .5;
  }

  .page-privacy .privacy-link,
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-top {
    transition: none;
  }

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