/* ===== 数据与隐私 · 页面专属样式 ===== */
.page-privacy {
  --pv-ink: #1D2B2B;
  --pv-ink-soft: #4A5A5B;
  --pv-line: rgba(18, 32, 31, .14);
  --pv-line-soft: rgba(18, 32, 31, .08);
  --pv-soft: #E2E7E7;
  --pv-mark: #0F1E1A;
  background: var(--pitch);
  color: var(--white);
}

/* ---------- 面包屑与首屏 ---------- */
.page-privacy .priv-crumb {
  padding-top: 22px;
}

.page-privacy .priv-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4.5vw, 54px) 0 clamp(26px, 4.5vw, 52px);
}

.page-privacy .priv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(0, 230, 118, .16) 0%, rgba(0, 230, 118, 0) 44%),
    linear-gradient(315deg, rgba(255, 145, 0, .12) 0%, rgba(255, 145, 0, 0) 38%);
  pointer-events: none;
}

.page-privacy .priv-hero > .wrap {
  position: relative;
}

.page-privacy .priv-hero__coord {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--signal);
}

.page-privacy .priv-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: clamp(38px, 8vw, 76px);
  line-height: 1.04;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-privacy .priv-hero__lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--grey);
}

.page-privacy .priv-hero__figure {
  margin: clamp(24px, 4vw, 44px) 0 0;
}

.page-privacy .priv-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.page-privacy .priv-hero__figure .figure__cap {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--steel);
}

/* ---------- 章节索引条 ---------- */
.page-privacy .priv-toc {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  background: rgba(10, 18, 22, .94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .priv-toc__inner {
  padding-top: 0;
  padding-bottom: 0;
}

.page-privacy .priv-toc__list {
  display: flex;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .priv-toc__item {
  flex: 0 0 auto;
}

.page-privacy .priv-toc .toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 14px 16px;
  font-size: 14px;
  white-space: nowrap;
  color: var(--grey);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .priv-toc .toc__link:hover {
  color: var(--white);
}

.page-privacy .priv-toc .toc__link[data-active] {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-privacy .toc__index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--steel);
}

.page-privacy .priv-toc .toc__link[data-active] .toc__index {
  color: var(--signal);
}

/* ---------- 纸白阅读区 ---------- */
.page-privacy .priv-sheet {
  background: var(--paper);
  color: var(--pv-ink);
}

.page-privacy .priv-sheet__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(30px, 6vw, 76px) var(--gutter) clamp(38px, 7vw, 92px);
}

.page-privacy .priv-sec {
  padding: clamp(24px, 3.4vw, 40px) 0;
  border-top: 1px solid var(--pv-line-soft);
}

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

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

.page-privacy .priv-sec__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: #7C8C8C;
}

.page-privacy .priv-sec__title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.28;
  color: var(--pv-ink);
}

.page-privacy .priv-sec__body {
  margin-top: 14px;
}

.page-privacy .priv-sec__body > p {
  max-width: 34em;
  margin: 0 0 14px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--pv-ink);
}

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

/* ---------- 分组与条目 ---------- */
.page-privacy .priv-group {
  max-width: 40em;
  margin: 18px 0 0;
}

.page-privacy .priv-group__title {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--pv-ink);
}

.page-privacy .priv-group--soft {
  padding: 18px 20px;
  background: var(--pv-soft);
  border-left: 3px solid var(--pv-mark);
}

.page-privacy .priv-list {
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: 40em;
}

.page-privacy .priv-list li {
  position: relative;
  padding: 10px 0 10px 20px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pv-ink);
  border-bottom: 1px dashed var(--pv-line);
}

.page-privacy .priv-list li:last-child {
  border-bottom: 0;
}

.page-privacy .priv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 9px;
  height: 2px;
  background: var(--pv-mark);
}

.page-privacy .priv-list strong,
.page-privacy .priv-sec__body strong {
  font-weight: 700;
  color: var(--pv-mark);
}

.page-privacy .priv-item {
  max-width: 40em;
  padding: 14px 0;
  border-bottom: 1px solid var(--pv-line-soft);
}

.page-privacy .priv-item:last-of-type {
  border-bottom: 0;
}

.page-privacy .priv-item__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: #6E8080;
}

.page-privacy .priv-item__text {
  margin: 6px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pv-ink);
}

.page-privacy .priv-note {
  max-width: 38em;
  margin: 18px 0 0;
  padding: 16px 18px;
  background: var(--pv-soft);
  border-left: 3px solid var(--pv-mark);
  font-size: 15px;
  line-height: 1.8;
  color: var(--pv-ink-soft);
}

.page-privacy .priv-steps {
  counter-reset: pvstep;
  max-width: 40em;
  margin: 18px 0 16px;
  padding: 0;
  list-style: none;
}

.page-privacy .priv-steps li {
  position: relative;
  counter-increment: pvstep;
  padding: 12px 0 12px 44px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pv-ink);
  border-bottom: 1px dashed var(--pv-line);
}

.page-privacy .priv-steps li:last-child {
  border-bottom: 0;
}

.page-privacy .priv-steps li::before {
  content: counter(pvstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: #6E8080;
}

.page-privacy .priv-link {
  color: var(--pv-mark);
  text-decoration: none;
  border-bottom: 2px solid var(--pv-line);
  transition: border-color .18s var(--ease);
}

.page-privacy .priv-link:hover,
.page-privacy .priv-link:focus-visible {
  border-bottom-color: var(--pv-mark);
}

/* ---------- 收尾深色段 ---------- */
.page-privacy .priv-tail {
  padding: clamp(34px, 6vw, 76px) 0 clamp(40px, 6vw, 80px);
  border-top: 1px solid var(--signal-line);
}

.page-privacy .priv-tail__inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-privacy .priv-tail__coord {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--amber);
}

.page-privacy .priv-tail__title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.22;
  color: var(--white);
}

.page-privacy .priv-tail__lead {
  margin: 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--grey);
}

.page-privacy .priv-link--dark {
  color: var(--white);
  border-bottom-color: var(--signal-line);
}

.page-privacy .priv-link--dark:hover,
.page-privacy .priv-link--dark:focus-visible {
  border-bottom-color: var(--signal-hi);
}

.page-privacy .priv-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

/* ---------- 入场动效（JS 缺失时内容照常可见） ---------- */
.page-privacy [data-reveal].is-inview {
  animation: priv-rise .5s var(--ease) both;
}

@keyframes priv-rise {
  from {
    opacity: .001;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy [data-reveal].is-inview {
    animation: none;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 860px) {
  .page-privacy .priv-sec__head {
    gap: 22px;
  }

  .page-privacy .priv-sec__body {
    padding-left: 44px;
  }

  .page-privacy .priv-toc .toc__link {
    padding: 16px 20px;
    font-size: 14px;
  }

  .page-privacy .priv-sheet__inner {
    padding-left: clamp(32px, 5vw, 72px);
    padding-right: clamp(32px, 5vw, 72px);
  }

  .page-privacy .priv-tail__inner {
    gap: 14px;
  }
}

@media (min-width: 1180px) {
  .page-privacy .priv-hero__figure {
    margin-top: 48px;
  }

  .page-privacy .priv-hero__figure img {
    max-height: 460px;
  }
}