.page-privacy {
  --pv-rule: rgba(232, 237, 242, .10);
  --pv-rule-strong: rgba(90, 224, 232, .30);
  --pv-measure: 34em;
  position: relative;
  background: var(--ink-0);
  color: var(--text);
}

/* 首屏 */
.page-privacy .privacy-hero {
  position: relative;
  padding: clamp(24px, 4.5vw, 52px) 0 0;
  background:
    radial-gradient(120% 90% at 88% -20%, rgba(139, 92, 246, .18), transparent 62%),
    radial-gradient(90% 70% at 4% 0%, rgba(90, 224, 232, .10), transparent 58%),
    var(--ink-0);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, var(--pv-rule) 0 1px, transparent 1px 104px);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  opacity: .7;
}

.page-privacy .privacy-hero .shell {
  position: relative;
  z-index: 1;
}

.page-privacy .hero-grid {
  display: grid;
  gap: clamp(22px, 4vw, 42px);
  padding-top: clamp(20px, 3vw, 34px);
}

.page-privacy .hero-lead {
  min-width: 0;
}

.page-privacy .page-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--text);
  max-width: 18em;
}

.page-privacy .hero-lead .lede {
  margin-top: 18px;
  max-width: var(--pv-measure);
  color: var(--muted);
  font-size: var(--fs-17);
  line-height: 1.85;
}

.page-privacy .hero-aside {
  display: grid;
  gap: 14px;
  padding: 20px 20px 22px;
  border: 1px solid var(--pv-rule);
  border-radius: var(--radius-lg);
  background: linear-gradient(158deg, rgba(23, 30, 39, .92), rgba(14, 19, 26, .96));
  box-shadow: inset 0 1px 0 rgba(232, 237, 242, .05);
}

.page-privacy .aside-row {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pv-rule);
}

.page-privacy .aside-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-privacy .aside-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-privacy .aside-val {
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

.page-privacy .hero-media {
  margin: clamp(24px, 4vw, 38px) 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-privacy .hero-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 双栏骨架：窄索引 + 正文 */
.page-privacy .privacy-layout {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  padding: clamp(34px, 5vw, 64px) 0 clamp(52px, 7vw, 92px);
  border-top: 1px solid var(--pv-rule);
  margin-top: clamp(30px, 4.5vw, 56px);
}

.page-privacy .privacy-index {
  min-width: 0;
  align-self: start;
  padding-left: 16px;
  border-left: 2px solid var(--pv-rule-strong);
}

.page-privacy .privacy-index-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--muted);
}

.page-privacy .privacy-index-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-index-link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 0;
  min-height: 40px;
  color: var(--muted);
  text-decoration: none;
  font-size: var(--fs-15);
  line-height: 1.45;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

.page-privacy .privacy-index-num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--violet);
  letter-spacing: .08em;
}

.page-privacy .privacy-index-link:hover,
.page-privacy .privacy-index-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--pv-rule-strong);
}

.page-privacy .privacy-index-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pv-rule);
  font-size: var(--fs-13);
  line-height: 1.7;
  color: var(--muted);
  max-width: 30em;
}

/* 正文条款 */
.page-privacy .privacy-body {
  display: grid;
  gap: clamp(36px, 5vw, 58px);
  min-width: 0;
}

.page-privacy .clause {
  scroll-margin-top: calc(var(--header-h) + 24px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--pv-rule);
}

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

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

.page-privacy .clause-num {
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: .14em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-privacy .clause-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.2vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.005em;
  color: var(--text);
}

.page-privacy .clause-text {
  margin: 0;
  max-width: var(--pv-measure);
  font-size: var(--fs-17);
  line-height: 1.9;
  color: var(--muted);
}

.page-privacy .clause-list {
  display: grid;
  gap: 18px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .clause-item {
  display: grid;
  grid-template-columns: 2.8em minmax(0, 1fr);
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--pv-rule);
}

.page-privacy .clause-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-privacy .clause-item-num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--amber);
  padding-top: 5px;
}

.page-privacy .clause-item p {
  margin: 0;
  max-width: var(--pv-measure);
  font-size: var(--fs-15);
  line-height: 1.9;
  color: var(--muted);
}

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

.page-privacy .clause-item a,
.page-privacy .sign-val a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--pv-rule-strong);
  padding-bottom: 1px;
}

.page-privacy .clause-item a:hover,
.page-privacy .sign-val a:hover,
.page-privacy .clause-item a:focus-visible,
.page-privacy .sign-val a:focus-visible {
  color: var(--text);
  border-bottom-color: var(--cyan);
}

/* 联系卡 */
.page-privacy .privacy-sign {
  display: grid;
  gap: 14px;
  margin-top: 22px;
  padding: 22px 20px;
  border: 1px solid var(--pv-rule);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(27, 58, 68, .55), rgba(14, 19, 26, .94));
  max-width: 40em;
}

.page-privacy .sign-row {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pv-rule);
}

.page-privacy .sign-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-privacy .sign-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .14em;
  color: var(--muted);
}

.page-privacy .sign-val {
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.7;
  color: var(--text);
  word-break: break-word;
}

.page-privacy .privacy-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
  padding: 9px 18px;
  border: 1px solid var(--pv-rule-strong);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--cyan);
  text-decoration: none;
  transition: background-color .2s ease, color .2s ease, box-shadow .2s ease;
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  background: rgba(90, 224, 232, .12);
  color: var(--text);
  box-shadow: 0 0 0 4px rgba(90, 224, 232, .08);
}

/* 中等屏幕 */
@media (min-width: 760px) {
  .page-privacy .hero-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(240px, .62fr);
    align-items: end;
  }

  .page-privacy .clause-item {
    grid-template-columns: 3.2em minmax(0, 1fr);
    gap: 14px;
  }

  .page-privacy .clause-item p {
    font-size: var(--fs-17);
  }

  .page-privacy .privacy-sign {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 28px;
  }

  .page-privacy .sign-row {
    padding-bottom: 0;
    border-bottom: 0;
  }
}

/* 桌面：索引栏粘滞，正文保持窄版心 */
@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(196px, 232px) minmax(0, 1fr);
    align-items: start;
  }

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

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

  .page-privacy .privacy-body {
    padding-left: clamp(0px, 2vw, 28px);
  }

  .page-privacy .clause-title {
    font-size: 34px;
  }
}

/* 超宽屏：正文再收一档，留出注释呼吸位 */
@media (min-width: 1320px) {
  .page-privacy .hero-grid {
    gap: 56px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 72px;
  }
}

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