/* ===== 数据保护页 · page-privacy ===== */

.page-privacy {
  --privacy-measure: 680px;
}

.page-privacy .privacy-crumbs {
  padding-top: clamp(20px, 4vh, 36px);
}

.page-privacy .privacy-hero {
  padding-top: clamp(28px, 5vh, 52px);
  padding-bottom: clamp(22px, 4vh, 38px);
}

.page-privacy .privacy-hero__title {
  max-width: 22ch;
  margin: 12px 0 0;
  font-family: var(--f-display);
  font-size: clamp(34px, 5.6vw, 56px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ice-100);
}

.page-privacy .privacy-hero__lead {
  max-width: 62ch;
  margin: 20px 0 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ice-60);
}

.page-privacy .privacy-hero__facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: clamp(28px, 5vh, 44px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--grid-600);
  border: var(--line);
}

.page-privacy .privacy-hero__fact {
  background: var(--navy-950);
  padding: 18px 20px;
}

.page-privacy .privacy-hero__fact b {
  display: block;
  margin-bottom: 6px;
  font-family: var(--f-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--cyan-400);
}

.page-privacy .privacy-hero__fact span {
  display: block;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ice-60);
  overflow-wrap: break-word;
}

.page-privacy .privacy-banner {
  padding-top: clamp(18px, 4vh, 34px);
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: var(--line);
  background: var(--navy-800);
}

/* ---------- 索引 + 正文 ---------- */

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(36px, 6vh, 56px);
  padding-top: clamp(44px, 7vh, 88px);
  padding-bottom: clamp(72px, 12vh, 140px);
}

.page-privacy .privacy-index {
  min-width: 0;
}

.page-privacy .privacy-index__label {
  display: block;
  margin-bottom: 12px;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--ice-60);
}

.page-privacy .privacy-index__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 1px;
  background: var(--grid-600);
  border: var(--line);
}

.page-privacy .privacy-index__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 15px;
  background: var(--navy-950);
  color: var(--ice-60);
  font-size: 13px;
  line-height: 1.45;
  text-decoration: none;
  transition: background var(--t-fast), color var(--t-fast);
}

.page-privacy .privacy-index__no {
  flex: none;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--cyan-700);
  transition: color var(--t-fast);
}

.page-privacy .privacy-index__item:hover,
.page-privacy .privacy-index__item:focus-visible {
  background: var(--navy-800);
  color: var(--ice-100);
}

.page-privacy .privacy-index__item:hover .privacy-index__no,
.page-privacy .privacy-index__item:focus-visible .privacy-index__no {
  color: var(--cyan-400);
}

.page-privacy .privacy-body {
  min-width: 0;
}

.page-privacy .privacy-item {
  scroll-margin-top: 96px;
}

.page-privacy .privacy-item + .privacy-item {
  margin-top: clamp(44px, 7vh, 76px);
  padding-top: clamp(44px, 7vh, 76px);
  border-top: var(--line);
}

.page-privacy .privacy-item__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 20px;
}

.page-privacy .privacy-item__no {
  flex: none;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--cyan-700);
  transition: color var(--t-base);
}

.page-privacy .privacy-item__title {
  margin: 0;
  font-family: var(--f-display);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ice-100);
}

.page-privacy .privacy-item:target .privacy-item__no {
  color: var(--signal-500);
}

/* ---------- 条款正文 ---------- */

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

.page-privacy .privacy-prose p {
  margin: 0 0 1.2em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ice-100);
  overflow-wrap: break-word;
}

.page-privacy .privacy-prose p::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 2px;
  margin-right: 12px;
  vertical-align: middle;
  background: var(--signal-500);
}

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

.page-privacy .privacy-prose a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-700);
  transition: border-color var(--t-link);
}

.page-privacy .privacy-prose a:hover,
.page-privacy .privacy-prose a:focus-visible {
  border-bottom-color: var(--cyan-400);
}

/* ---------- 补充说明折叠块 ---------- */

.page-privacy .privacy-note {
  max-width: var(--privacy-measure);
  margin-top: 22px;
  padding: 16px 20px 15px;
  border: var(--line);
  background: var(--navy-800);
  transition: border-color var(--t-base);
}

.page-privacy .privacy-note:hover {
  border-color: var(--cyan-700);
}

.page-privacy .privacy-note .nx-collapse__body p {
  margin: 0 0 1.1em;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ice-60);
}

.page-privacy .privacy-note .nx-collapse__body p:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-note .nx-collapse__toggle {
  margin-top: 12px;
  padding: 0 0 2px;
  border: 0;
  border-bottom: 1px solid var(--cyan-700);
  background: none;
  color: var(--cyan-400);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: border-color var(--t-link), color var(--t-link);
}

.page-privacy .privacy-note .nx-collapse__toggle:hover,
.page-privacy .privacy-note .nx-collapse__toggle:focus-visible {
  border-bottom-color: var(--cyan-400);
  color: var(--ice-100);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-privacy .privacy-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .privacy-banner img {
    aspect-ratio: 1400 / 600;
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 200px minmax(0, var(--privacy-measure)) minmax(0, 1fr);
    gap: 0 56px;
    padding-top: clamp(56px, 8vh, 96px);
  }

  .page-privacy .privacy-index {
    grid-column: 1;
    position: sticky;
    top: 96px;
    align-self: start;
  }

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

  .page-privacy .privacy-body {
    grid-column: 2;
  }
}

@media (min-width: 1320px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 220px minmax(0, var(--privacy-measure)) minmax(0, 1fr);
    gap: 0 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index__item,
  .page-privacy .privacy-index__no,
  .page-privacy .privacy-prose a,
  .page-privacy .privacy-note,
  .page-privacy .privacy-note .nx-collapse__toggle,
  .page-privacy .privacy-item__no {
    transition: none;
  }
}