/* ===== 页面作用域：隐私声明 ===== */
.page-privacy {
  --privacy-measure: 760px;
  --privacy-rail: 180px;
  --privacy-gap: 64px;
  --privacy-amber-line: #E8A33D;
  display: block;
  background: var(--mist);
  color: var(--ink);
}

/* ---------- 顶部氛围区 ---------- */
.page-privacy .privacy-hero {
  padding-top: clamp(16px, 3vw, 32px);
  padding-bottom: clamp(32px, 5vw, 56px);
}

.page-privacy .privacy-hero__frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-xl);
  background: var(--ink);
  box-shadow: var(--shadow-soft);
}

.page-privacy .privacy-hero__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(158deg, rgba(30, 122, 140, .30) 0%, rgba(18, 65, 74, .28) 42%, rgba(14, 27, 31, .78) 100%);
  pointer-events: none;
}

.page-privacy .privacy-hero__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-privacy .privacy-hero__text {
  margin-top: 26px;
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-hero__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--slate);
  padding-bottom: 6px;
  border-bottom: 2px solid var(--amber-deep);
}

.page-privacy .privacy-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(28px, 5.2vw, 46px);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-privacy .privacy-hero__lead {
  margin: 16px 0 0;
  font-family: var(--font-serif);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--slate);
}

/* ---------- 面包屑留白 ---------- */
.page-privacy .crumbs {
  padding-bottom: clamp(24px, 4vw, 40px);
}

/* ---------- 主体两栏 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding-bottom: var(--step);
}

/* ---------- 条款目录 ---------- */
.page-privacy .privacy-toc {
  align-self: start;
  border-top: 2px solid var(--deep);
  padding-top: 16px;
}

.page-privacy .privacy-toc__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--slate);
}

.page-privacy .privacy-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0 9px 12px;
  font-family: var(--font-serif);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--slate);
  text-decoration: none;
  border-left: 2px solid var(--line);
  transition: color 200ms linear, border-color 200ms linear, background-color 200ms linear;
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--sky);
  border-left-color: var(--sky);
  background: rgba(30, 122, 140, .06);
}

.page-privacy .privacy-toc__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--amber-deep);
  letter-spacing: .06em;
}

/* ---------- 条款正文 ---------- */
.page-privacy .privacy-body {
  min-width: 0;
}

.page-privacy .clause {
  padding: 30px 0 34px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-privacy .clause:first-child {
  border-top: 1px solid var(--line);
}

.page-privacy .clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .clause__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--amber-deep);
  border-bottom: 2px solid var(--privacy-amber-line);
  padding-bottom: 2px;
}

.page-privacy .clause__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(20px, 3.2vw, 26px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-privacy .clause__body p {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  max-width: 68ch;
}

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

.page-privacy .clause__list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  max-width: 70ch;
}

.page-privacy .clause__list li {
  position: relative;
  padding-left: 20px;
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-privacy .clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 7px;
  height: 7px;
  border-radius: var(--r-pill);
  background: var(--sky);
}

.page-privacy .clause__key {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
  border-bottom: 1px solid var(--sky);
  padding-bottom: 1px;
}

.page-privacy .privacy-link {
  color: var(--sky);
  text-decoration: none;
  border-bottom: 1px solid rgba(30, 122, 140, .45);
  transition: border-color 180ms linear, color 180ms linear;
  word-break: break-all;
}

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

/* ---------- 版本时间线 ---------- */
.page-privacy .privacy-timeline {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-left: 2px solid var(--line);
}

.page-privacy .privacy-timeline__item {
  position: relative;
  padding: 0 0 18px 20px;
}

.page-privacy .privacy-timeline__item:last-child {
  padding-bottom: 0;
}

.page-privacy .privacy-timeline__item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: .55em;
  width: 10px;
  height: 10px;
  border-radius: var(--r-pill);
  background: var(--mist);
  border: 2px solid var(--terra);
}

.page-privacy .privacy-timeline__when {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--deep);
  margin-bottom: 4px;
}

.page-privacy .privacy-timeline__what {
  display: block;
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
  max-width: 66ch;
}

/* ---------- 提示条微调 ---------- */
.page-privacy .notice {
  margin-top: 22px;
  max-width: 70ch;
}

.page-privacy .notice p {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 桌面端：目录吸附 + 窄版心 ---------- */
@media (min-width: 900px) {
  .page-privacy .privacy-hero__frame img {
    aspect-ratio: 1600 / 520;
  }

  .page-privacy .privacy-hero__text {
    padding-left: calc(var(--privacy-rail) + var(--privacy-gap));
  }

  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-rail) minmax(0, 1fr);
    gap: var(--privacy-gap);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }

  .page-privacy .privacy-body {
    max-width: var(--privacy-measure);
  }
}

@media (min-width: 1240px) {
  .page-privacy .privacy-body {
    max-width: var(--privacy-measure);
  }
}

/* ---------- 窄屏收拢 ---------- */
@media (max-width: 640px) {
  .page-privacy .privacy-hero__frame {
    border-radius: var(--r-lg);
  }

  .page-privacy .clause {
    padding: 24px 0 28px;
  }

  .page-privacy .clause__head {
    flex-direction: column;
    gap: 6px;
  }

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

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