.page-privacy {
  background: var(--bone-050);
  color: var(--ink-900);
  font-family: var(--font-sans);
}

/* 页头 */
.page-privacy .privacy-mast {
  position: relative;
  overflow: hidden;
  background: var(--deep-900);
  color: var(--bone-050);
  isolation: isolate;
}
.page-privacy .privacy-mast__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-privacy .privacy-mast__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}
.page-privacy .privacy-mast::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(11, 30, 45, 0.5) 0%, rgba(11, 30, 45, 0.95) 100%);
}
.page-privacy .privacy-mast__inner {
  position: relative;
  z-index: 2;
  padding: clamp(44px, 8vw, 76px) 0 clamp(36px, 6vw, 56px);
}

.page-privacy .privacy-mast .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(24px, 4vw, 36px);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--text-mute);
}
.page-privacy .privacy-mast .breadcrumb a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}
.page-privacy .privacy-mast .breadcrumb a:hover,
.page-privacy .privacy-mast .breadcrumb a:focus-visible {
  color: var(--cyber-400);
}
.page-privacy .privacy-mast .breadcrumb__sep {
  color: var(--rock-500);
}

.page-privacy .privacy-mast .eyebrow {
  margin: 0 0 14px;
  color: var(--cyber-400);
}
.page-privacy .privacy-mast h1 {
  margin: 0 0 18px;
  font-size: clamp(36px, 7vw, 64px);
  font-weight: 300;
  line-height: 1.04;
  letter-spacing: -0.005em;
  color: var(--bone-050);
}
.page-privacy .privacy-lead {
  margin: 0 0 18px;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--text-dim);
}
.page-privacy .privacy-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyber-400);
}

/* 正文骨架 */
.page-privacy .privacy-body {
  padding: clamp(36px, 6vw, 72px) 0 clamp(56px, 8vw, 96px);
}
.page-privacy .privacy-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 34px);
}

/* 侧边章节索引 */
.page-privacy .privacy-toc {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}
.page-privacy .privacy-toc__label {
  display: none;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--rock-500);
}
.page-privacy .privacy-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-privacy .privacy-toc__list::-webkit-scrollbar {
  height: 3px;
}
.page-privacy .privacy-toc__list::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 3px;
}
.page-privacy .privacy-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  flex-shrink: 0;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper-100);
  color: var(--deep-700);
  font-size: 13px;
  line-height: 1.35;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}
.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  border-color: var(--line-strong);
  background: var(--bone-050);
  color: var(--deep-900);
}
.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--coral-500);
}

/* 条款章节 */
.page-privacy .privacy-article {
  min-width: 0;
}
.page-privacy .privacy-section {
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--bar-h) + 20px);
}
.page-privacy .privacy-section:first-child {
  border-top: 0;
}
.page-privacy .privacy-section > summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 26px 0 12px;
  cursor: pointer;
  list-style: none;
}
.page-privacy .privacy-section:first-child > summary {
  padding-top: 0;
}
.page-privacy .privacy-section > summary::-webkit-details-marker {
  display: none;
}
.page-privacy .privacy-section > summary::marker {
  content: "";
}
.page-privacy .privacy-section__num {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--coral-500);
}
.page-privacy .privacy-section__title {
  flex: 1 1 auto;
  margin: 0;
  font-size: clamp(19px, 3vw, 26px);
  font-weight: 400;
  line-height: 1.32;
  color: var(--deep-900);
}
.page-privacy .privacy-section__chev {
  flex-shrink: 0;
  width: 9px;
  height: 9px;
  margin-top: 6px;
  border-right: 2px solid var(--rock-500);
  border-bottom: 2px solid var(--rock-500);
  transform: rotate(45deg);
  transition: transform 0.24s var(--ease);
}
.page-privacy .privacy-section[open] > summary .privacy-section__chev {
  transform: rotate(-135deg);
}
.page-privacy .privacy-section__body {
  padding: 0 0 26px;
}
.page-privacy .privacy-section__body > p {
  margin: 0 0 16px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-900);
}
.page-privacy .privacy-section__body a {
  color: var(--deep-700);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--line-strong);
  transition: color 0.18s var(--ease), text-decoration-color 0.18s var(--ease);
}
.page-privacy .privacy-section__body a:hover,
.page-privacy .privacy-section__body a:focus-visible {
  color: var(--coral-500);
  text-decoration-color: var(--coral-500);
}

/* 条款条目 */
.page-privacy .privacy-def {
  display: grid;
  gap: 10px;
  margin: 6px 0 20px;
  padding: 0;
  max-width: 66ch;
  list-style: none;
}
.page-privacy .privacy-def li {
  border-left: 2px solid var(--moss-600);
  padding: 9px 14px;
  background: rgba(78, 110, 93, 0.07);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-900);
}
.page-privacy .privacy-def strong {
  display: block;
  margin-bottom: 2px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--deep-900);
}

/* 返回顶部 */
.page-privacy .privacy-backrow {
  margin: 34px 0 0;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.page-privacy .privacy-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--deep-700);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}
.page-privacy .privacy-back::after {
  content: "↑";
  font-size: 12px;
}
.page-privacy .privacy-back:hover,
.page-privacy .privacy-back:focus-visible {
  border-color: var(--coral-500);
  background: var(--paper-100);
  color: var(--coral-500);
}

/* 桌面端 */
@media (min-width: 900px) {
  .page-privacy .privacy-grid {
    grid-template-columns: minmax(184px, 220px) minmax(0, 1fr);
    gap: clamp(44px, 6vw, 72px);
    align-items: start;
  }
  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--bar-h) + 22px);
    padding-left: 18px;
    border-left: 1px solid var(--line);
  }
  .page-privacy .privacy-toc__label {
    display: block;
  }
  .page-privacy .privacy-toc__list {
    flex-direction: column;
    gap: 0;
    padding: 0;
    overflow: visible;
  }
  .page-privacy .privacy-toc__link {
    border: 0;
    border-radius: 0;
    background: none;
    padding: 9px 0;
    font-size: 14px;
    line-height: 1.5;
    white-space: normal;
  }
  .page-privacy .privacy-toc__link:hover,
  .page-privacy .privacy-toc__link:focus-visible {
    background: none;
    color: var(--coral-500);
  }
  .page-privacy .privacy-section > summary {
    padding-top: 32px;
  }
  .page-privacy .privacy-section__body {
    padding-bottom: 32px;
  }
}

/* 减弱动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-section__chev,
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-back {
    transition: none;
  }
}
<<<END>>>