.page-privacy {
  --pw-tint: rgba(19, 58, 43, 0.72);
  --pw-hair: rgba(31, 90, 67, 0.85);
  --pw-radius: 14px;
}

/* 页头：抽象纹理 + 超大标题 */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(2rem, 5.5vw, 4rem) 0 clamp(1.8rem, 4.5vw, 3.2rem);
  border-bottom: 1px solid var(--pw-hair);
  scroll-margin-top: 120px;
}

.page-privacy .hero-visual {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-privacy .hero-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  filter: saturate(0.65) brightness(0.85);
}

.page-privacy .hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 42, 32, 0.72), rgba(5, 23, 15, 0.95) 72%),
    repeating-linear-gradient(115deg, rgba(31, 90, 67, 0.32) 0 1px, transparent 1px 26px);
}

.page-privacy .hero-inner > .breadcrumb {
  margin-bottom: clamp(1.2rem, 3vw, 2.2rem);
}

.page-privacy h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 10vw, 5.6rem);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-privacy .hero-lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(1rem, 2.2vw, 1.0625rem);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-privacy .hero-meta {
  list-style: none;
  display: grid;
  gap: 0.9rem 1.6rem;
  margin: clamp(1.6rem, 4vw, 2.4rem) 0 0;
  padding: clamp(1rem, 2.5vw, 1.3rem) 0 0;
  border-top: 1px solid var(--pw-hair);
}

.page-privacy .hero-meta li {
  display: grid;
  gap: 0.3rem;
}

.page-privacy .meta-k {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .meta-v {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--white);
  font-variant-numeric: tabular-nums;
}

/* 主体：粘性目录 + 长文 */
.page-privacy .privacy-layout {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
  padding: clamp(2rem, 5vw, 3.6rem) 0 clamp(3rem, 7vw, 6rem);
}

.page-privacy .privacy-toc {
  padding: 1.05rem 1rem 1.15rem;
  background: var(--g800);
  border: 1px solid var(--pw-hair);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pw-radius)), calc(100% - var(--pw-radius)) 100%, 0 100%);
}

.page-privacy .toc-title {
  margin: 0 0 0.7rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .privacy-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.1rem;
  counter-reset: none;
}

.page-privacy .privacy-toc a {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.5rem 0.55rem;
  font-size: 0.9375rem;
  color: var(--text-dim);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.page-privacy .privacy-toc a .num {
  font-size: 0.75rem;
  color: var(--lime);
  letter-spacing: 0.06em;
}

.page-privacy .privacy-toc a:hover,
.page-privacy .privacy-toc a:focus-visible {
  color: var(--white);
  border-left-color: var(--lime);
  background: rgba(216, 255, 62, 0.06);
}

.page-privacy .toc-note {
  margin: 0.9rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--pw-hair);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-privacy .toc-note a {
  color: var(--text-dim);
  text-decoration: underline;
  text-decoration-color: rgba(216, 255, 62, 0.5);
  text-underline-offset: 3px;
}

.page-privacy .toc-note a:hover,
.page-privacy .toc-note a:focus-visible {
  color: var(--lime);
}

/* 条款章节 */
.page-privacy .clause {
  padding-top: clamp(1.4rem, 3.5vw, 2.1rem);
  border-top: 1px solid var(--pw-hair);
  scroll-margin-top: 110px;
}

.page-privacy .clause + .clause {
  margin-top: clamp(2rem, 5vw, 3.4rem);
}

.page-privacy .clause--tint {
  padding: clamp(1.5rem, 4vw, 2.2rem) clamp(1.1rem, 3vw, 2rem) clamp(1.4rem, 3.5vw, 2rem);
  background: var(--pw-tint);
  border-top: 1px solid var(--g700);
  border-left: 3px solid var(--g700);
}

.page-privacy .clause-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  margin-bottom: 0.9rem;
}

.page-privacy .clause-num {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--lime);
  border: 1px solid rgba(216, 255, 62, 0.45);
  transition: background-color 180ms ease, color 180ms ease;
}

.page-privacy .clause:target .clause-num {
  background: var(--lime);
  color: var(--ink);
  border-color: var(--lime);
}

.page-privacy .clause h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.6vw, 2.15rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-privacy .clause-body p {
  max-width: 68ch;
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-dim);
}

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

.page-privacy .clause-body a {
  color: var(--white);
  text-decoration: underline;
  text-decoration-color: rgba(216, 255, 62, 0.5);
  text-underline-offset: 3px;
}

.page-privacy .clause-body a:hover,
.page-privacy .clause-body a:focus-visible {
  color: var(--lime);
  text-decoration-color: var(--lime);
}

.page-privacy .clause-body strong {
  color: var(--white);
  font-weight: 600;
}

.page-privacy .plain-list {
  list-style: none;
  max-width: 68ch;
  margin: 0 0 1.1rem;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-privacy .plain-list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-privacy .plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--lime);
}

.page-privacy .plain-list li .num {
  color: var(--white);
  margin-right: 0.3rem;
}

/* 表格 */
.page-privacy .table-scroll {
  margin: 0 0 1.2rem;
  overflow-x: auto;
  border: 1px solid var(--pw-hair);
  background: rgba(5, 23, 15, 0.4);
}

.page-privacy .table-caption {
  caption-side: top;
  padding: 0.75rem 0.9rem 0;
  text-align: left;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

/* 保存期限分组 */
.page-privacy .retention {
  max-width: 68ch;
  margin: 0 0 1.2rem;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pw-hair);
}

.page-privacy .retention-row {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--pw-hair);
}

.page-privacy .retention dt {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-privacy .retention dd {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-dim);
}

/* 版本时间轴 */
.page-privacy .version-track {
  list-style: none;
  margin: 0 0 1.2rem;
  padding: 0 0 0 1.4rem;
  border-left: 1px solid var(--g700);
  display: grid;
  gap: 1.4rem;
}

.page-privacy .version-item {
  position: relative;
}

.page-privacy .version-item::before {
  content: "";
  position: absolute;
  left: calc(-1.4rem - 4.5px);
  top: 0.5rem;
  width: 8px;
  height: 8px;
  background: var(--g700);
}

.page-privacy .version-item.is-current::before {
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(216, 255, 62, 0.16);
}

.page-privacy .version-no {
  margin: 0 0 0.3rem;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-privacy .version-item.is-current .version-no {
  color: var(--white);
}

.page-privacy .version-item p:last-child {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-dim);
}

/* 折叠历史记录 */
.page-privacy .fold {
  margin: 0 0 1.2rem;
  background: var(--g800);
  border: 1px solid var(--pw-hair);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-privacy .fold summary {
  cursor: pointer;
  padding: 0.9rem 1.05rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  list-style: none;
}

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

.page-privacy .fold summary::after {
  content: "+";
  float: right;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--lime);
}

.page-privacy .fold[open] summary::after {
  content: "–";
}

.page-privacy .fold summary:hover,
.page-privacy .fold summary:focus-visible {
  color: var(--white);
}

.page-privacy .fold-body {
  padding: 0 1.05rem 1rem;
  border-top: 1px solid var(--pw-hair);
}

.page-privacy .fold-body .plain-list {
  margin-top: 1rem;
  margin-bottom: 0;
}

/* 回到顶部 */
.page-privacy .to-top {
  position: fixed;
  right: 0.9rem;
  bottom: 0.9rem;
  z-index: 30;
  padding: 0.55rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  background: var(--g900);
  border: 1px solid var(--g700);
  text-decoration: none;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

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

/* 窄屏 → 桌面 */
@media (max-width: 599px) {
  .page-privacy .hero-meta {
    grid-template-columns: 1fr;
  }

  .page-privacy .clause--tint {
    border-left-width: 2px;
  }

  .page-privacy .to-top {
    padding: 0.5rem 0.6rem;
  }
}

@media (min-width: 600px) {
  .page-privacy .hero-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(190px, 232px) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 104px;
  }

  .page-privacy .clause-body p,
  .page-privacy .plain-list {
    max-width: 70ch;
  }

  .page-privacy .retention-row {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 0 1.2rem;
    align-items: baseline;
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 250px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}
<<<END>>>