.page-privacy {
  --privacy-read: 44rem;
  --privacy-rail: 12rem;
  --privacy-gap: clamp(1.75rem, 4vw, 3rem);
  padding-bottom: 3.5rem;
}

/* 面包屑与首屏 */
.page-privacy .privacy-hero {
  padding-top: 1.25rem;
}

.page-privacy .breadcrumb {
  margin-bottom: 1.75rem;
}

.page-privacy h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.12;
  letter-spacing: 0.02em;
  color: var(--frost);
  margin: 0.4rem 0 0.9rem;
}

.page-privacy .hero-lede {
  font-size: clamp(1rem, 2.2vw, 1.08rem);
  line-height: 1.85;
  color: rgba(246, 241, 230, 0.84);
  max-width: 42em;
  margin: 0 0 1rem;
}

.page-privacy .hero-meta {
  color: rgba(246, 241, 230, 0.55);
  margin: 0 0 1.75rem;
}

.page-privacy .privacy-plate {
  margin: 0 0 0.5rem;
  border: 1px solid var(--line-dark);
  background: linear-gradient(150deg, rgba(27, 42, 80, 0.9), rgba(15, 26, 56, 0.95));
  overflow: hidden;
}

.page-privacy .privacy-plate img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

/* 移动端顶部横向章节条 */
.page-privacy .toc-strip {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.25rem 0 0.9rem;
  margin-top: 1.25rem;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .toc-strip a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  color: var(--frost);
  font-size: var(--fs-sm);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-privacy .toc-strip a span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--amber);
}

.page-privacy .toc-strip a:hover,
.page-privacy .toc-strip a:focus-visible {
  border-color: var(--amber);
  background: rgba(227, 163, 60, 0.12);
}

/* 正文骨架 */
.page-privacy .privacy-body {
  display: block;
  margin-top: var(--privacy-gap);
}

.page-privacy .privacy-rail {
  display: none;
}

.page-privacy .privacy-content {
  padding: clamp(1.35rem, 4vw, 2.75rem);
  min-width: 0;
}

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

.page-privacy .privacy-sec {
  scroll-margin-top: calc(var(--bar-h) + 1.5rem);
}

.page-privacy .privacy-sec + .privacy-sec {
  border-top: 1px dashed var(--line-light);
  margin-top: 2.25rem;
  padding-top: 2.25rem;
}

/* 章节标题行：等宽编号 + 标题 + 细线 */
.page-privacy .sec-head {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin-bottom: 1rem;
}

.page-privacy .sec-head::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  min-width: 1.5rem;
  background: var(--line-light);
  transform: translateY(-0.4rem);
}

.page-privacy .sec-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--amber);
  background: var(--ink-900);
  padding: 0.22em 0.45em;
  border-radius: var(--radius);
}

.page-privacy .sec-head h2 {
  flex: 0 0 auto;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.3rem, 3vw, 1.6rem);
  line-height: 1.3;
  color: var(--ink-text);
}

/* 正文文字 */
.page-privacy .privacy-content p {
  margin: 0 0 1rem;
  font-size: var(--fs-base);
  line-height: 1.85;
  color: var(--ink-text);
}

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

.page-privacy .privacy-sec h3 {
  margin: 1.5rem 0 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.06rem;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-privacy .sec-list {
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-privacy .sec-list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: var(--fs-base);
  line-height: 1.8;
  color: var(--ink-text);
}

.page-privacy .sec-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 0.72rem;
  height: 2px;
  background: var(--sage-deep);
}

.page-privacy .inline-link {
  color: var(--sage-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.22em;
  text-decoration-thickness: 1px;
}

.page-privacy .inline-link:hover,
.page-privacy .inline-link:focus-visible {
  color: var(--vermilion);
}

/* 关键条目：旧纸影底纹强调 */
.page-privacy .key-note {
  margin: 1.35rem 0;
  padding: 1rem 1.15rem;
  background: var(--paper-2);
  border-left: 3px solid var(--vermilion);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-privacy .key-note p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--ink-text);
}

.page-privacy .key-note p + p {
  margin-top: 0.6rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--line-light);
}

.page-privacy .mail-mono {
  font-family: var(--font-mono);
  font-size: 0.94em;
  font-weight: 600;
  color: var(--ink-900);
  word-break: break-all;
}

/* 可折叠细则 */
.page-privacy .sec-more {
  margin: 1.1rem 0;
  padding-top: 0.8rem;
  border-top: 1px dashed var(--line-light);
}

.page-privacy .sec-more summary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--ink-900);
}

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

.page-privacy .sec-more summary::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1rem;
  line-height: 1;
  color: var(--vermilion);
}

.page-privacy .sec-more[open] summary::before {
  content: "\2212";
}

.page-privacy .sec-more p {
  margin: 0.6rem 0 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
}

/* 桌面端：右栏粘性章节导航 */
@media (min-width: 900px) {
  .page-privacy .toc-strip {
    display: none;
  }

  .page-privacy .privacy-body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--privacy-rail);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    display: block;
    position: sticky;
    top: calc(var(--bar-h) + 1.75rem);
    align-self: start;
  }
}

.page-privacy .rail-title {
  margin: 0 0 0.85rem;
  padding-left: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--amber);
}

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

.page-privacy .rail-toc a {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.42rem 0 0.42rem 0.85rem;
  border-left: 1px solid var(--line-dark);
  font-size: var(--fs-sm);
  line-height: 1.5;
  color: rgba(246, 241, 230, 0.66);
  text-decoration: none;
  transition: color 0.2s ease, border-left-color 0.2s ease, background 0.2s ease;
}

.page-privacy .rail-toc a:hover,
.page-privacy .rail-toc a:focus-visible {
  color: var(--frost);
  border-left-color: var(--amber);
  background: rgba(227, 163, 60, 0.08);
}

.page-privacy .ptoc-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--amber);
  opacity: 0.85;
}
<<<END>>>