.page-privacy {
  --pv-measure: 42rem;
  --pv-body: #B9C4DE;
  --pv-line: rgba(124, 140, 255, 0.18);
  --pv-line-soft: rgba(124, 140, 255, 0.10);
  position: relative;
  background: var(--ink-800);
  padding-bottom: clamp(72px, 9vw, 128px);
  overflow-x: clip;
}

.page-privacy .privacy-anchor {
  display: block;
  height: 0;
  scroll-margin-top: 0;
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--cyan) 0%,
    rgba(0, 229, 199, 0.42) 38%,
    rgba(255, 106, 43, 0.34) 72%,
    rgba(124, 140, 255, 0) 100%
  );
  z-index: 3;
}

/* ---------- 页头 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: clamp(44px, 6vw, 88px) var(--gutter) clamp(28px, 3.5vw, 44px);
}

.page-privacy .privacy-hero__eyebrow {
  margin: 0 0 18px;
}

.page-privacy .privacy-hero__title {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.85rem, 4.4vw, 3.1rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-privacy .privacy-hero__lead {
  margin: 20px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pv-body);
}

.page-privacy .privacy-hero__figure {
  margin: clamp(28px, 4vw, 44px) 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--pv-line-soft);
  background: var(--ink-700);
}

.page-privacy .privacy-hero__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1600 / 600;
  object-fit: cover;
  opacity: 0.72;
}

/* ---------- 主体两栏 ---------- */
.page-privacy .privacy-shell {
  position: relative;
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: clamp(32px, 4vw, 56px) var(--gutter) 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

/* ---------- 章节目录 ---------- */
.page-privacy .privacy-toc {
  position: static;
}

.page-privacy .privacy-toc__label {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-left: 1px solid var(--pv-line);
}

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-left: -1px;
  padding: 9px 4px 9px 14px;
  border-left: 1px solid transparent;
  color: var(--text-dim);
  font-size: 13.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 180ms ease, border-color 180ms ease;
}

.page-privacy .privacy-toc__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--cyan);
  opacity: 0.55;
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--text);
  border-left-color: var(--cyan);
}

.page-privacy .privacy-toc__link:hover .privacy-toc__no,
.page-privacy .privacy-toc__link:focus-visible .privacy-toc__no {
  opacity: 1;
}

/* ---------- 正文 ---------- */
.page-privacy .privacy-doc {
  min-width: 0;
  max-width: var(--pv-measure);
}

.page-privacy .privacy-sec {
  padding-block: clamp(28px, 3.6vw, 46px);
  border-top: 1px solid var(--pv-line-soft);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-privacy .privacy-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-privacy .privacy-sec__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text-dim);
  opacity: 0.42;
}

.page-privacy .privacy-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 2.3vw, 1.75rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-privacy .privacy-sec__body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--pv-body);
}

.page-privacy .privacy-sec__body p {
  margin: 0 0 16px;
}

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

.page-privacy .privacy-subtitle {
  margin: 30px 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--text);
}

/* ---------- 场景小卡 ---------- */
.page-privacy .privacy-scenes {
  display: grid;
  gap: 12px;
  margin: 0 0 20px;
}

.page-privacy .privacy-scene {
  padding: 16px 18px;
  border: 1px solid var(--pv-line-soft);
  border-radius: var(--radius);
  background: var(--ink-700);
}

.page-privacy .privacy-scene h3 {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14.5px;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-privacy .privacy-scene p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
}

/* ---------- 项目列表 ---------- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-privacy .privacy-list > li {
  position: relative;
  padding-left: 22px;
  line-height: 1.78;
}

.page-privacy .privacy-list > li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.74em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: 0.72;
}

.page-privacy .privacy-list--check > li::before {
  top: 0.52em;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: transparent;
  border: 1px solid var(--cyan);
  opacity: 0.6;
}

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

/* ---------- 保存期限 ---------- */
.page-privacy .privacy-retention {
  margin: 0 0 6px;
  border-top: 1px solid var(--pv-line-soft);
}

.page-privacy .privacy-retention__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--pv-line-soft);
}

.page-privacy .privacy-retention dt {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--text);
}

.page-privacy .privacy-retention dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
}

/* ---------- Cookie ---------- */
.page-privacy .privacy-cookie {
  margin: 0 0 6px;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-cookie__row {
  padding-left: 15px;
  border-left: 2px solid var(--pv-line);
}

.page-privacy .privacy-cookie dt {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--text);
}

.page-privacy .privacy-cookie dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
}

/* ---------- 联系方式 ---------- */
.page-privacy .privacy-contact {
  margin-top: 26px;
  padding: 20px 20px 18px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(8px);
}

.page-privacy .privacy-contact__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14.5px;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-privacy .privacy-contact__list {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .privacy-contact__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3px;
}

.page-privacy .privacy-contact__item dt {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-privacy .privacy-contact__item dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

.page-privacy .privacy-contact__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 相关页面 ---------- */
.page-privacy .privacy-more {
  margin-top: clamp(36px, 4.5vw, 60px);
  padding-top: 22px;
  border-top: 1px solid var(--pv-line);
  display: grid;
  gap: 10px;
}

.page-privacy .privacy-more a {
  color: var(--cyan);
  font-size: 14px;
  line-height: 1.6;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease, opacity 180ms ease;
}

.page-privacy .privacy-more a:hover,
.page-privacy .privacy-more a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 返回顶部 ---------- */
.page-privacy .privacy-top {
  position: fixed;
  right: clamp(14px, 3vw, 30px);
  bottom: clamp(14px, 3vw, 30px);
  z-index: 20;
  display: inline-flex;
  align-items: center;
  padding: 10px 15px;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: rgba(20, 23, 38, 0.88);
  backdrop-filter: blur(10px);
  color: var(--text);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: border-color 180ms ease, transform 180ms ease;
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

/* ---------- 窄屏 ---------- */
@media (max-width: 419px) {
  .page-privacy .privacy-hero__lead,
  .page-privacy .privacy-sec__body {
    font-size: 15px;
  }

  .page-privacy .privacy-toc__link {
    font-size: 13px;
  }
}

/* ---------- 中等屏 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-privacy .privacy-retention__row {
    grid-template-columns: 138px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-privacy .privacy-contact__item {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
}

/* ---------- 桌面：固定目录 + 窄栏正文 ---------- */
@media (min-width: 1080px) {
  .page-privacy .privacy-hero,
  .page-privacy .privacy-shell {
    padding-left: calc(var(--gutter) + var(--rail-w));
  }

  .page-privacy .privacy-shell {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(48px, 5vw, 92px);
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
    max-height: calc(100vh - var(--header-h) - 56px);
    overflow-y: auto;
  }

  .page-privacy .privacy-scenes {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 1440px) {
  .page-privacy .privacy-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-top,
  .page-privacy .privacy-more a {
    transition: none;
  }

  .page-privacy .privacy-top:hover,
  .page-privacy .privacy-top:focus-visible {
    transform: none;
  }
}
<<<END>>>