/* ===== 隐私政策页 ===== */
.page-privacy {
  --pp-doc: 70ch;
  color: var(--paper);
}

/* --- 首屏 --- */
.page-privacy .pp-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(34px, 7vw, 76px) clamp(34px, 6vw, 68px);
  border-bottom: 1px solid var(--steel);
}
.page-privacy .pp-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.page-privacy .pp-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
}
.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 14% 8%, rgba(123, 97, 255, .2), transparent 58%),
    radial-gradient(90% 70% at 92% 96%, rgba(42, 245, 176, .1), transparent 62%),
    linear-gradient(180deg, rgba(7, 20, 38, .58) 0%, rgba(7, 20, 38, .9) 60%, var(--ink-void) 100%);
}
.page-privacy .pp-hero__inner {
  position: relative;
}
.page-privacy .pp-crumb {
  margin-bottom: clamp(16px, 3vw, 28px);
}
.page-privacy .pp-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--haze);
}
.page-privacy .pp-hero__eyebrow .mono {
  color: var(--gold);
}
.page-privacy .pp-hero__title {
  margin: 0 0 20px;
  font-size: clamp(46px, 12vw, 104px);
  line-height: .96;
  font-weight: 800;
  letter-spacing: -.03em;
}
.page-privacy .pp-hero__lead {
  max-width: 56ch;
  margin: 0 0 26px;
  font-size: clamp(15px, 2.1vw, 18px);
  line-height: 1.8;
  color: var(--haze);
}
.page-privacy .pp-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.page-privacy .pp-hero__meta-text {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--haze);
}

/* --- 两栏骨架 --- */
.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 5vw, 40px);
  padding-block: clamp(32px, 6vw, 68px) clamp(60px, 10vw, 110px);
}
@media (min-width: 1024px) {
  .page-privacy .pp-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 62px;
    align-items: start;
  }
}

/* --- 章节索引 --- */
.page-privacy .pp-index {
  border-top: 1px solid var(--steel);
  padding-top: 16px;
}
.page-privacy .pp-index__title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--gold);
}
.page-privacy .pp-index__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.page-privacy .pp-index__item {
  flex: 0 0 auto;
}
.page-privacy .pp-index__link {
  display: block;
  padding: 8px 12px;
  font-size: 13px;
  line-height: 1.5;
  white-space: nowrap;
  color: var(--haze);
  text-decoration: none;
  border: 1px solid var(--steel);
  border-radius: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}
.page-privacy .pp-index__no {
  font-family: var(--font-mono);
  color: var(--gold);
  margin-right: 8px;
}
.page-privacy .pp-index__link:hover,
.page-privacy .pp-index__link:focus-visible {
  color: var(--paper);
  border-color: var(--lime);
  background: rgba(42, 245, 176, .08);
}
@media (min-width: 1024px) {
  .page-privacy .pp-index {
    position: sticky;
    top: 104px;
  }
  .page-privacy .pp-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-privacy .pp-index__link {
    white-space: normal;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 7px 0 7px 12px;
  }
  .page-privacy .pp-index__link:hover,
  .page-privacy .pp-index__link:focus-visible {
    background: rgba(42, 245, 176, .06);
  }
}
.page-privacy .pp-top-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--lime);
  text-decoration: none;
  border: 1px solid var(--steel);
  border-radius: 2px;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}
.page-privacy .pp-top-link::before {
  content: "↑";
  font-family: var(--font-mono);
}
.page-privacy .pp-top-link:hover,
.page-privacy .pp-top-link:focus-visible {
  border-color: var(--lime);
  background: rgba(42, 245, 176, .08);
}

/* --- 正文列 --- */
.page-privacy .pp-doc {
  min-width: 0;
  max-width: var(--pp-doc);
}
.page-privacy .pp-clause {
  scroll-margin-top: 108px;
  border-top: 1px solid var(--steel);
  padding-block: clamp(20px, 3vw, 28px);
}
.page-privacy .pp-clause:last-of-type {
  border-bottom: 1px solid var(--steel);
}
.page-privacy .pp-clause__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  list-style: none;
}
.page-privacy .pp-clause__head::-webkit-details-marker {
  display: none;
}
.page-privacy .pp-clause__head:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 6px;
}
.page-privacy .pp-clause__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--gold);
}
.page-privacy .pp-clause__title {
  margin: 0;
  font-size: clamp(19px, 3.3vw, 25px);
  line-height: 1.35;
  font-weight: 700;
  color: var(--paper);
  transition: color .2s var(--ease);
}
.page-privacy .pp-clause__head:hover .pp-clause__title {
  color: var(--lime);
}
.page-privacy .pp-clause__chev {
  width: 10px;
  height: 10px;
  margin-top: -4px;
  border-right: 2px solid var(--lime);
  border-bottom: 2px solid var(--lime);
  transform: rotate(45deg);
  transition: transform .28s var(--ease);
}
.page-privacy .pp-clause[open] .pp-clause__chev {
  transform: rotate(-135deg);
  margin-top: 4px;
}
.page-privacy .pp-clause__body {
  padding-top: 16px;
}
.page-privacy .pp-clause__body > p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--haze);
}
.page-privacy .pp-clause__body > p:last-child {
  margin-bottom: 0;
}

/* --- 条目列表 --- */
.page-privacy .pp-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-privacy .pp-list__item {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--haze);
}
.page-privacy .pp-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 10px;
  height: 1px;
  background: var(--lime);
}
.page-privacy .pp-list__item b {
  color: var(--paper);
  font-weight: 600;
}

/* --- 旁注 --- */
.page-privacy .pp-note {
  margin: 6px 0 18px;
  padding: 14px 18px;
  background: var(--ink-carbon);
  border-left: 2px solid var(--gold);
  box-shadow: var(--shadow-card);
  font-size: 14px;
  line-height: 1.75;
  color: var(--haze);
}
.page-privacy .pp-note--warn {
  border-left-color: var(--magenta);
}
.page-privacy .pp-note--warn .pp-note__tag {
  color: var(--magenta);
}
.page-privacy .pp-note__tag {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold);
}

/* --- 行内高亮与链接 --- */
.page-privacy .pp-key {
  color: var(--gold);
  font-style: normal;
  font-weight: 600;
}
.page-privacy .pp-inline-link {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(42, 245, 176, .45);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.page-privacy .pp-inline-link:hover,
.page-privacy .pp-inline-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* --- 页尾行动区 --- */
.page-privacy .pp-signoff {
  display: grid;
  gap: 16px;
  margin-top: clamp(28px, 5vw, 46px);
  padding: clamp(18px, 3vw, 26px);
  background: linear-gradient(135deg, rgba(11, 18, 32, .96), rgba(7, 20, 38, .96));
  border: 1px solid var(--steel);
  border-radius: 3px;
  box-shadow: var(--shadow-card);
}
.page-privacy .pp-signoff__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--haze);
}
.page-privacy .pp-signoff__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
@media (min-width: 760px) {
  .page-privacy .pp-signoff {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

/* --- 窄屏保护 --- */
@media (max-width: 480px) {
  .page-privacy .pp-clause__head {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 10px;
  }
  .page-privacy .pp-clause__chev {
    display: none;
  }
  .page-privacy .pp-hero__title {
    letter-spacing: -.02em;
  }
}
</main>