/* ============ 数据与隐私 · 页面专属样式 ============ */

.page-privacy {
  background: var(--paper-100);
  color: var(--ink-700);
  font-family: var(--font-body);
}

/* ---- 顶部路径 ---- */
.page-privacy .privacy-top {
  padding-top: clamp(24px, 4vw, 40px);
}

/* ---- 首屏 ---- */
.page-privacy .privacy-hero {
  padding-top: clamp(28px, 4vw, 48px);
}

.page-privacy .privacy-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--bronze-700);
  margin: 0 0 20px;
}

.page-privacy .privacy-hero__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(34px, 6.4vw, 64px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  max-width: 16ch;
  margin: 0 0 24px;
  text-wrap: balance;
}

.page-privacy .privacy-hero__lede {
  font-size: var(--fs-16);
  line-height: 1.9;
  color: var(--ink-700);
  max-width: 62ch;
  margin: 0;
}

.page-privacy .privacy-hero__media {
  margin: clamp(32px, 5vw, 56px) 0 0;
  aspect-ratio: 16 / 7;
  overflow: hidden;
  background: var(--slate-100);
}

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

/* ---- 总述 ---- */
.page-privacy .privacy-summary {
  padding-block: clamp(40px, 6vw, 72px) clamp(28px, 4vw, 44px);
}

.page-privacy .privacy-summary__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: var(--fs-22);
  line-height: 1.3;
  color: var(--ink-900);
  margin: 0 0 20px;
}

.page-privacy .privacy-summary__text {
  font-size: var(--fs-16);
  line-height: 1.9;
  color: var(--ink-700);
  max-width: 68ch;
  margin: 0 0 12px;
}

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

/* 冷灰蓝横线：区分总述与条款 */
.page-privacy .privacy-summary::after {
  content: "";
  display: block;
  height: 2px;
  background: var(--slate-600);
  margin-top: clamp(28px, 4vw, 44px);
  max-width: 96px;
}

/* ---- 正文两栏 ---- */
.page-privacy .privacy-body {
  display: grid;
  gap: 32px;
  padding-block: clamp(32px, 5vw, 56px) clamp(64px, 9vw, 120px);
}

/* ---- 目录 ---- */
.page-privacy .privacy-toc {
  border-top: 1px solid var(--hairline-ink);
  padding-top: 14px;
}

.page-privacy .privacy-toc__summary {
  cursor: pointer;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: var(--fs-16);
  color: var(--ink-900);
  letter-spacing: 0.02em;
  list-style: none;
}

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

.page-privacy .privacy-toc__summary::before {
  content: "▾ ";
  color: var(--bronze-500);
  font-family: var(--font-mono);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-toc__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 7px 0;
  font-size: var(--fs-14);
  line-height: 1.5;
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline-ink);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  color: var(--bronze-700);
  padding-left: 4px;
}

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--bronze-700);
  flex: 0 0 auto;
}

/* ---- 条款 ---- */
.page-privacy .privacy-clauses {
  min-width: 0;
}

.page-privacy .clause {
  padding-block: clamp(30px, 4.4vw, 48px);
  border-top: 1px solid var(--hairline-ink);
  scroll-margin-top: 120px;
}

.page-privacy .clause:first-child {
  border-top: none;
  padding-top: 0;
}

.page-privacy .clause:target {
  border-top-color: var(--cinnabar-600);
}

.page-privacy .clause:target .clause__num {
  color: var(--cinnabar-600);
}

.page-privacy .clause__head {
  display: flex;
  gap: 14px;
  align-items: baseline;
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-privacy .clause__num {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.1em;
  color: var(--bronze-700);
  flex: 0 0 auto;
  padding-top: 4px;
}

.page-privacy .clause__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.28;
  letter-spacing: -0.005em;
  color: var(--ink-900);
  margin: 0;
  text-wrap: balance;
}

.page-privacy .clause__group + .clause__group {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-privacy .clause__label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  color: var(--slate-600);
  margin: 0 0 10px;
}

.page-privacy .clause__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 72ch;
}

.page-privacy .clause__list li {
  position: relative;
  padding-left: 20px;
  font-size: var(--fs-16);
  line-height: 1.9;
  color: var(--ink-700);
}

.page-privacy .clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 9px;
  height: 1px;
  background: var(--bronze-500);
}

.page-privacy .clause__list--steps li::before {
  background: var(--slate-600);
}

.page-privacy .clause__list strong {
  display: block;
  font-weight: 600;
  color: var(--ink-900);
  font-size: var(--fs-14);
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}

.page-privacy .clause a {
  color: var(--bronze-700);
  text-decoration: underline;
  text-decoration-color: var(--bronze-200);
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease), text-decoration-color var(--dur) var(--ease);
}

.page-privacy .clause a:hover,
.page-privacy .clause a:focus-visible {
  color: var(--cinnabar-600);
  text-decoration-color: var(--cinnabar-600);
}

.page-privacy .clause__mail {
  font-family: var(--font-mono);
  font-size: 0.94em;
  word-break: break-all;
}

.page-privacy .privacy-summary a,
.page-privacy .clause__note a {
  color: var(--bronze-700);
  text-decoration: underline;
  text-decoration-color: var(--bronze-200);
  text-underline-offset: 3px;
}

.page-privacy .privacy-summary a:hover,
.page-privacy .clause__note a:hover {
  color: var(--cinnabar-600);
  text-decoration-color: var(--cinnabar-600);
}

.page-privacy .clause__note {
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--mineral-500);
  margin: 18px 0 0;
  max-width: 68ch;
}

/* ---- 桌面端 ---- */
@media (min-width: 960px) {
  .page-privacy .privacy-toc {
    position: sticky;
    top: clamp(96px, 13vh, 132px);
    align-self: start;
    max-height: calc(100vh - 160px);
    overflow-y: auto;
    border-top: none;
    padding-top: 0;
  }

  .page-privacy .privacy-toc__summary {
    display: none;
  }

  .page-privacy .privacy-toc__list {
    margin-top: 0;
  }

  .page-privacy .privacy-body {
    grid-template-columns: 236px minmax(0, 1fr);
    column-gap: clamp(40px, 6vw, 88px);
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-body {
    grid-template-columns: 268px minmax(0, 1fr);
  }
}

/* ---- 动效 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .clause[data-reveal],
  .page-privacy .privacy-toc__list a {
    transition: none;
    transform: none;
    opacity: 1;
    animation: none;
  }
}
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