.page-privacy {
  --privacy-gap: 26px;
  background: var(--by-deep-sea);
  color: var(--by-pearl);
}

/* ---------- 面包屑 ---------- */
.page-privacy .privacy-crumb {
  padding-top: 22px;
}
.page-privacy .privacy-crumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: .04em;
}
.page-privacy .privacy-crumb__link {
  color: var(--by-electric-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s ease, color .18s ease;
}
.page-privacy .privacy-crumb__link:hover,
.page-privacy .privacy-crumb__link:focus-visible {
  color: var(--by-coral);
  border-bottom-color: var(--by-coral);
}
.page-privacy .privacy-crumb .by-crumb__item span[aria-current] {
  color: var(--by-pearl);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  margin-top: 18px;
  padding: 46px 0 54px;
  background: var(--by-grad-panel);
  border-top: 2px solid var(--by-line);
  border-bottom: 2px solid var(--by-line);
}
.page-privacy .privacy-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center;
  opacity: .5;
}
.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(10, 37, 64, .58) 0%, rgba(10, 37, 64, .88) 64%, var(--by-deep-sea) 100%);
}
.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 2;
}
.page-privacy .privacy-hero__title {
  margin: 14px 0 0;
  font-family: var(--by-font-head);
  font-weight: 800;
  font-size: clamp(30px, 7vw, 58px);
  line-height: 1.14;
  letter-spacing: .02em;
  color: var(--by-sand);
  max-width: 18em;
}
.page-privacy .privacy-hero__lede {
  margin: 20px 0 0;
  max-width: 42em;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.82;
  color: var(--by-pearl);
}
.page-privacy .privacy-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}
.page-privacy .privacy-hero__fact {
  padding: 10px 14px 12px;
  border-left: 3px solid var(--by-coral);
  background: linear-gradient(90deg, rgba(0, 212, 255, .14) 0%, rgba(0, 212, 255, 0) 88%);
  border-radius: 0 var(--by-radius-s) var(--by-radius-s) 0;
}
.page-privacy .privacy-hero__fact b {
  display: block;
  font-size: clamp(20px, 4.6vw, 26px);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--by-electric-soft);
}
.page-privacy .privacy-hero__fact-label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--by-pearl);
}

/* ---------- 主体布局 ---------- */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding-top: 42px;
  padding-bottom: 54px;
}

/* ---------- 目录 ---------- */
.page-privacy .privacy-toc {
  padding: 18px 18px 20px;
  border: 2px solid var(--by-line);
  border-radius: var(--by-radius-m);
  background: rgba(14, 58, 92, .68);
  box-shadow: var(--by-shadow-card);
}
.page-privacy .privacy-toc__title {
  margin: 0 0 12px;
  font-family: var(--by-font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--by-electric);
}
.page-privacy .privacy-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
  counter-reset: privacy-toc;
}
.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--by-radius-s);
  border-left: 3px solid transparent;
  font-size: 14px;
  line-height: 1.5;
  color: var(--by-pearl);
  text-decoration: none;
  transition: background .18s ease, border-color .18s ease, color .18s ease, transform .18s ease;
}
.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  background: rgba(0, 212, 255, .14);
  border-left-color: var(--by-electric);
  color: var(--by-sand);
  transform: translateX(3px);
}
.page-privacy .privacy-toc__id {
  flex: none;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--by-electric);
}
.page-privacy .privacy-toc__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--by-line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--by-pearl);
}

/* ---------- 条款卡 ---------- */
.page-privacy .privacy-articles {
  display: flex;
  flex-direction: column;
  gap: var(--privacy-gap);
  min-width: 0;
}
.page-privacy .privacy-clause {
  min-width: 0;
  padding: clamp(20px, 3.6vw, 34px);
  border: 2px solid var(--by-line);
  border-radius: var(--by-radius-m);
  background: var(--by-grad-panel);
  box-shadow: var(--by-shadow-card);
  scroll-margin-top: calc(var(--by-header-h) + 24px);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.page-privacy .privacy-clause:hover {
  border-color: var(--by-line-strong);
  box-shadow: var(--by-shadow-card-hover);
}
.page-privacy .privacy-clause__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--by-line);
}
.page-privacy .privacy-clause__id {
  flex: none;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--by-electric);
  color: var(--by-ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
}
.page-privacy .privacy-clause__title {
  margin: 0;
  font-family: var(--by-font-head);
  font-weight: 700;
  font-size: clamp(19px, 3.6vw, 25px);
  line-height: 1.34;
  letter-spacing: .02em;
  color: var(--by-sand);
}
.page-privacy .privacy-clause__body p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--by-pearl);
}
.page-privacy .privacy-clause__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 定义列表 ---------- */
.page-privacy .privacy-defs {
  margin: 22px 0 0;
}
.page-privacy .privacy-defs dt {
  position: relative;
  padding: 15px 0 0 18px;
  border-top: 1px solid var(--by-line);
  font-family: var(--by-font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--by-electric-soft);
}
.page-privacy .privacy-defs dt::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--by-coral);
}
.page-privacy .privacy-defs dd {
  margin: 7px 0 15px;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--by-pearl);
}

/* ---------- 要点列表 ---------- */
.page-privacy .privacy-points {
  margin: 18px 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.page-privacy .privacy-points li {
  position: relative;
  padding: 14px 16px 14px 44px;
  border: 1px solid var(--by-line);
  border-radius: var(--by-radius-s);
  background: rgba(14, 58, 92, .55);
  font-size: 15px;
  line-height: 1.8;
  color: var(--by-pearl);
}
.page-privacy .privacy-points li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 21px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--by-electric);
  border-radius: 3px;
  box-shadow: 2px 2px 0 rgba(7, 19, 31, .6);
}
.page-privacy .privacy-points b {
  color: var(--by-sand);
  font-weight: 700;
}

/* ---------- 关键期限数字块 ---------- */
.page-privacy .privacy-stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  margin: 24px 0;
  padding: 22px 22px 20px;
  border: 2px solid var(--by-line-strong);
  border-radius: var(--by-radius-m);
  background:
    var(--by-grad-wake),
    linear-gradient(158deg, #0E3A5C 0%, #0A2540 100%);
  box-shadow: var(--by-shadow-card);
}
.page-privacy .privacy-stat__value {
  font-size: clamp(44px, 12vw, 64px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--by-coral);
}
.page-privacy .privacy-stat__unit {
  font-family: var(--by-font-head);
  font-size: clamp(18px, 4vw, 24px);
  font-weight: 700;
  color: var(--by-electric-soft);
}
.page-privacy .privacy-stat__label {
  flex: 1 1 100%;
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--by-pearl);
}

/* ---------- 悬停解释 ---------- */
.page-privacy .privacy-hint {
  position: relative;
  display: inline-block;
  margin-left: 6px;
  vertical-align: baseline;
}
.page-privacy .privacy-hint__trigger {
  color: var(--by-electric-soft);
  border-bottom: 2px dotted var(--by-electric);
  cursor: help;
  outline-offset: 4px;
}
.page-privacy .privacy-hint__trigger:focus-visible {
  outline: 2px solid var(--by-coral);
}
.page-privacy .privacy-hint__panel {
  position: absolute;
  left: 0;
  top: calc(100% + 8px);
  z-index: 6;
  width: min(288px, 78vw);
  padding: 12px 14px;
  border: 2px solid var(--by-ink);
  border-radius: var(--by-radius-s);
  background: var(--by-sand);
  color: var(--by-ink);
  font-size: 13px;
  line-height: 1.7;
  box-shadow: 6px 6px 0 rgba(7, 19, 31, .55);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-5px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
}
.page-privacy .privacy-hint:hover .privacy-hint__panel,
.page-privacy .privacy-hint:focus-within .privacy-hint__panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 行内链接 ---------- */
.page-privacy .privacy-inline-link {
  color: var(--by-electric-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--by-line-strong);
  transition: color .18s ease, border-color .18s ease;
}
.page-privacy .privacy-inline-link:hover,
.page-privacy .privacy-inline-link:focus-visible {
  color: var(--by-coral);
  border-bottom-color: var(--by-coral);
}

/* ---------- 延伸入口 ---------- */
.page-privacy .privacy-next {
  padding-bottom: 70px;
}
.page-privacy .privacy-next__title {
  margin: 0 0 20px;
  font-family: var(--by-font-head);
  font-weight: 700;
  font-size: clamp(20px, 4vw, 28px);
  letter-spacing: .02em;
  color: var(--by-sand);
}
.page-privacy .privacy-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-privacy .privacy-next__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 20px 22px;
  border: 2px solid var(--by-line);
  border-radius: var(--by-radius-m);
  background: rgba(14, 58, 92, .6);
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.page-privacy .privacy-next__card:hover,
.page-privacy .privacy-next__card:focus-visible {
  transform: translate(-3px, -4px);
  border-color: var(--by-electric);
  box-shadow: var(--by-shadow-card-hover);
}
.page-privacy .privacy-next__eyebrow {
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--by-electric);
}
.page-privacy .privacy-next__name {
  font-family: var(--by-font-head);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--by-sand);
}
.page-privacy .privacy-next__cue {
  font-size: 13px;
  color: var(--by-coral);
}

/* ---------- 宽屏 ---------- */
@media (min-width: 700px) {
  .page-privacy .privacy-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-privacy .privacy-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-privacy .privacy-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-hero {
    padding: 62px 0 70px;
  }
  .page-privacy .privacy-body {
    grid-template-columns: 228px minmax(0, 1fr);
    gap: 52px;
    padding-top: 52px;
    padding-bottom: 68px;
  }
  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--by-header-h) + 22px);
  }
  .page-privacy .privacy-clause__body p {
    font-size: 16px;
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-body {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: 64px;
  }
  .page-privacy .privacy-articles {
    gap: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-next__card,
  .page-privacy .privacy-clause,
  .page-privacy .privacy-hint__panel,
  .page-privacy .privacy-inline-link,
  .page-privacy .privacy-crumb__link {
    transition: none;
  }
  .page-privacy .privacy-toc__link:hover,
  .page-privacy .privacy-toc__link:focus-visible,
  .page-privacy .privacy-next__card:hover,
  .page-privacy .privacy-next__card:focus-visible {
    transform: none;
  }
}
</main>