.page-privacy {
  --privacy-measure: 68ch;
  --privacy-cut: 20px;
  color: var(--text);
  background:
    radial-gradient(760px 380px at 92% -140px, rgba(0, 229, 255, .11), transparent 70%),
    linear-gradient(180deg, rgba(11, 27, 58, .86) 0%, rgba(6, 16, 31, 1) 46%);
  padding-bottom: clamp(56px, 8vw, 96px);
}

/* 页头区 */
.page-privacy .privacy-head {
  padding-top: clamp(22px, 4vw, 42px);
}

.page-privacy .privacy-head .breadcrumb {
  margin-bottom: 20px;
}

.page-privacy .page-head__title {
  font-family: var(--font-display);
  font-size: clamp(34px, 7vw, 62px);
  line-height: 1.08;
  letter-spacing: -.02em;
  margin: 10px 0 0;
}

.page-privacy .page-head__lead {
  max-width: 60ch;
  margin: 18px 0 0;
  color: var(--text-soft);
  font-size: var(--step-3);
  line-height: 1.75;
}

.page-privacy .privacy-meta {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--ink-line);
  border: 1px solid var(--ink-line);
  clip-path: polygon(0 0, calc(100% - var(--privacy-cut)) 0, 100% var(--privacy-cut), 100% 100%, var(--privacy-cut) 100%, 0 calc(100% - var(--privacy-cut)));
}

.page-privacy .privacy-meta__item {
  background: var(--space-navy);
  padding: 15px 18px;
  display: grid;
  gap: 5px;
}

.page-privacy .privacy-meta__key {
  font-family: var(--font-serif);
  font-size: var(--step-1);
  letter-spacing: .18em;
  color: var(--muted);
}

.page-privacy .privacy-meta__val {
  font-size: var(--step-2);
  line-height: 1.6;
  color: var(--text);
}

/* 窄幅横幅 */
.page-privacy .privacy-banner {
  margin: clamp(26px, 4vw, 46px) 0 0;
  padding: 0;
}

.page-privacy .privacy-banner__frame {
  position: relative;
  height: clamp(132px, 20vw, 216px);
  overflow: hidden;
  border: 1px solid var(--ink-line);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

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

.page-privacy .privacy-banner__overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, rgba(0, 229, 255, .07) 0 1px, transparent 1px 48px),
    linear-gradient(90deg, rgba(6, 16, 31, .94) 0%, rgba(6, 16, 31, .42) 52%, rgba(0, 229, 255, .16) 100%);
}

.page-privacy .privacy-banner__caption {
  margin-top: 10px;
  font-family: var(--font-serif);
  font-size: var(--step-1);
  color: var(--muted-deep);
  letter-spacing: .04em;
}

/* 主布局：左索引 + 右条款正文 */
.page-privacy .privacy-layout {
  margin-top: clamp(32px, 5vw, 58px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-privacy .toc {
  align-self: start;
  border-top: 1px solid var(--ink-line);
  padding-top: 14px;
}

.page-privacy .toc__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: var(--step-1);
  letter-spacing: .2em;
  color: var(--muted);
}

.page-privacy .toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

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

.page-privacy .toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--ink-line);
  color: var(--text-soft);
  font-size: var(--step-2);
  text-decoration: none;
  transition: color .25s var(--ease), border-color .25s var(--ease), background-color .25s var(--ease);
}

.page-privacy .toc__no {
  font-size: var(--step-1);
  color: var(--cyan);
  letter-spacing: .04em;
}

.page-privacy .toc__link:hover,
.page-privacy .toc__link:focus-visible {
  color: var(--text);
  border-color: var(--cyan);
  background: rgba(0, 229, 255, .08);
}

/* 条款正文 */
.page-privacy .privacy-doc {
  max-width: var(--privacy-measure);
}

.page-privacy .clause-group {
  margin-top: clamp(36px, 5vw, 58px);
}

.page-privacy .clause-group:first-child {
  margin-top: 0;
}

.page-privacy .clause-group__head {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 16px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--ink-line);
}

.page-privacy .clause-group__head::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 56px;
  height: 2px;
  background: var(--cyan);
  transition: width .4s var(--ease);
}

.page-privacy .clause-group:target .clause-group__head::before {
  width: 100%;
}

.page-privacy .clause-group__no {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: rgba(0, 229, 255, .5);
  letter-spacing: -.02em;
}

.page-privacy .clause-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3.4vw, 30px);
  line-height: 1.2;
  letter-spacing: -.01em;
}

.page-privacy .clause-group__note {
  grid-column: 2;
  margin: 2px 0 0;
  font-family: var(--font-serif);
  font-size: var(--step-2);
  color: var(--muted);
}

.page-privacy .clause-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .clause {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 18px 0;
  border-bottom: 1px dashed rgba(30, 58, 99, .8);
  transition: background-color .25s var(--ease);
}

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

.page-privacy .clause__no {
  font-family: var(--font-mono);
  font-size: var(--step-2);
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: .02em;
  padding-top: 2px;
}

.page-privacy .clause__title {
  margin: 0;
  font-size: var(--step-3);
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-privacy .clause__body p {
  margin: 7px 0 0;
  font-size: var(--step-3);
  line-height: 1.78;
  color: var(--text-soft);
}

/* 页尾 */
.page-privacy .privacy-foot {
  margin-top: clamp(42px, 6vw, 76px);
  padding-top: 24px;
  border-top: 1px solid var(--ink-line);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.page-privacy .privacy-links__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: var(--step-1);
  letter-spacing: .2em;
  color: var(--muted);
}

.page-privacy .privacy-links__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
}

.page-privacy .privacy-links__link {
  color: var(--cyan-soft);
  font-size: var(--step-2);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 233, 255, .35);
  padding-bottom: 2px;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-privacy .privacy-links__link:hover,
.page-privacy .privacy-links__link:focus-visible {
  color: var(--text);
  border-color: var(--cyan);
}

.page-privacy .totop {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: var(--step-2);
  color: var(--text-soft);
  text-decoration: none;
  background: var(--navy-raised);
  border: 1px solid var(--ink-line);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}

.page-privacy .totop:hover,
.page-privacy .totop:focus-visible {
  color: var(--text);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

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

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

  .page-privacy .totop {
    justify-self: end;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: clamp(36px, 4vw, 56px);
  }

  .page-privacy .toc {
    position: sticky;
    top: 104px;
    border-top: 0;
    border-left: 1px solid var(--ink-line);
    padding-top: 0;
    padding-left: 16px;
  }

  .page-privacy .toc__list {
    display: block;
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-privacy .toc__item {
    display: block;
    border-bottom: 1px solid var(--ink-line);
  }

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

  .page-privacy .toc__link {
    display: flex;
    width: 100%;
    box-sizing: border-box;
    border: 0;
    border-left: 2px solid var(--ink-line);
    padding: 11px 8px 11px 13px;
    background: transparent;
  }

  .page-privacy .toc__link:hover,
  .page-privacy .toc__link:focus-visible {
    border-left-color: var(--cyan);
    background: linear-gradient(90deg, rgba(0, 229, 255, .12), transparent 82%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .toc__link,
  .page-privacy .privacy-links__link,
  .page-privacy .totop,
  .page-privacy .clause,
  .page-privacy .clause-group__head::before {
    transition: none;
  }

  .page-privacy .totop:hover,
  .page-privacy .totop:focus-visible {
    transform: none;
  }
}