.page-privacy {
  --pv-index-w: 236px;
  position: relative;
  overflow-x: clip;
  background-color: var(--ink);
  background-image: radial-gradient(circle at 78% 3%, rgba(41, 224, 200, 0.10), transparent 46%);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--rule) 1px, transparent 1px),
    linear-gradient(to bottom, var(--rule) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.18;
  pointer-events: none;
  z-index: 0;
}

.page-privacy .privacy-shell {
  position: relative;
  z-index: 1;
  padding-top: 28px;
  padding-bottom: 96px;
}

/* ---------- 面包屑 ---------- */
.page-privacy .crumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
}

.page-privacy .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--mute);
}

.page-privacy .crumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-privacy .crumbs li + li::before {
  content: "/";
  color: var(--rule);
}

.page-privacy .crumbs a {
  color: var(--mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.page-privacy .crumbs a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-privacy .crumbs [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding: 36px 0 34px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 32px;
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.page-privacy .privacy-hero__cap {
  display: inline-block;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  background: var(--ink-deep);
  border: 1px solid var(--rule);
}

.page-privacy .privacy-hero__ver {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--mute);
}

.page-privacy .privacy-hero h1 {
  margin: 0 0 26px;
  font-family: var(--font-display);
  font-size: clamp(42px, 11.5vw, 118px);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .lede {
  margin: 0;
  max-width: 42ch;
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.9;
  color: var(--paper);
  opacity: 0.86;
}

/* ---------- 通栏图 ---------- */
.page-privacy .privacy-band {
  margin: 0 0 46px;
  border: 1px solid var(--rule);
  background-color: var(--ink-deep);
  overflow: hidden;
}

.page-privacy .privacy-band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 500;
  object-fit: cover;
  opacity: 0.85;
}

/* ---------- 正文骨架 ---------- */
.page-privacy .privacy-layout {
  display: block;
}

/* ---------- 章节索引（移动端：横向滑动条） ---------- */
.page-privacy .privacy-index {
  margin-bottom: 28px;
  padding: 14px 14px 12px;
  background: rgba(16, 28, 46, 0.55);
  border: 1px solid var(--rule);
}

.page-privacy .privacy-index__cap {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mute);
}

.page-privacy .privacy-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-privacy .privacy-index__list li {
  flex: 0 0 auto;
}

.page-privacy .privacy-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  font-size: 13px;
  line-height: 1.5;
  white-space: nowrap;
  color: var(--mute);
  text-decoration: none;
  border: 1px solid var(--rule);
  transition: color 0.2s, border-color 0.2s, background-color 0.2s;
}

.page-privacy .privacy-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mute);
}

.page-privacy .privacy-index__list a:hover,
.page-privacy .privacy-index__list a.is-active {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(41, 224, 200, 0.08);
}

.page-privacy .privacy-index__list a.is-active .privacy-index__num {
  color: var(--cyan-soft);
}

/* ---------- 条文 ---------- */
.page-privacy .privacy-clauses {
  border-top: 1px solid var(--rule);
}

.page-privacy .clause {
  scroll-margin-top: calc(var(--head-h) + 24px);
  border-bottom: 1px solid var(--rule);
}

.page-privacy .clause__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 14px;
  padding: 24px 0 18px;
  cursor: pointer;
  list-style: none;
  outline-offset: 6px;
}

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

.page-privacy .clause__summary::marker {
  content: "";
}

.page-privacy .clause__summary:hover .clause__title {
  color: var(--cyan-soft);
}

.page-privacy .clause__summary:focus-visible {
  outline: 1px solid var(--cyan-soft);
}

.page-privacy .clause__num {
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-privacy .clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 4vw, 28px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: 0.005em;
  color: var(--paper);
  transition: color 0.2s;
}

.page-privacy .clause__tog {
  position: relative;
  width: 13px;
  height: 13px;
  margin-top: 8px;
  flex: none;
}

.page-privacy .clause__tog::before,
.page-privacy .clause__tog::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 13px;
  height: 1px;
  background: var(--cyan);
  transform: translateY(-50%);
  transition: transform 0.25s ease;
}

.page-privacy .clause__tog::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-privacy .clause__box[open] .clause__tog::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-privacy .clause__content {
  padding: 0 0 30px;
}

.page-privacy .clause__item {
  position: relative;
  margin: 0 0 16px;
  padding-left: 18px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--paper);
}

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

.page-privacy .clause__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.95em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
  opacity: 0.65;
}

.page-privacy .clause__tag {
  display: inline-block;
  margin-right: 9px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  white-space: nowrap;
  vertical-align: 2px;
  color: var(--cyan-soft);
  background: var(--ink-deep);
  border: 1px solid var(--rule);
}

.page-privacy .clause__item strong {
  font-family: var(--font-mono);
  font-size: 0.96em;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-privacy .clause__note {
  margin: 22px 0 0;
  padding-top: 14px;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--mute);
  border-top: 1px dashed var(--rule);
}

.page-privacy .clause__note a {
  color: var(--mute);
  text-decoration: none;
  border-bottom: 1px solid rgba(159, 179, 168, 0.5);
  transition: color 0.2s, border-color 0.2s;
}

.page-privacy .clause__note a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 条文结束区 ---------- */
.page-privacy .privacy-tail {
  margin-top: 54px;
  padding-top: 26px;
  border-top: 2px solid var(--rule);
}

.page-privacy .privacy-tail p {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.9;
  color: var(--mute);
}

.page-privacy .privacy-tail a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(41, 224, 200, 0.4);
  transition: color 0.2s, border-color 0.2s;
}

.page-privacy .privacy-tail a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 返回顶部 ---------- */
.page-privacy .privacy-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  text-decoration: none;
  background: rgba(11, 43, 34, 0.94);
  border: 1px solid var(--rule);
  backdrop-filter: blur(6px);
  transition: color 0.2s, background-color 0.2s, border-color 0.2s;
}

.page-privacy .privacy-top::before {
  content: "\2191";
  font-size: 13px;
  line-height: 1;
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  outline: none;
}

/* ---------- 滚动淡入 ---------- */
.page-privacy [data-reveal].is-in {
  animation: pvRise 0.6s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

@keyframes pvRise {
  from {
    opacity: 0.001;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ================= 桌面端 ================= */
@media (min-width: 900px) {
  .page-privacy .privacy-shell {
    padding-top: 44px;
    padding-bottom: 128px;
  }

  .page-privacy .privacy-hero {
    padding: 56px 0 44px;
    margin-bottom: 40px;
  }

  .page-privacy .privacy-band {
    margin-bottom: 60px;
  }

  .page-privacy .privacy-layout {
    display: grid;
    grid-template-columns: var(--pv-index-w) minmax(0, 1fr);
    gap: 0 56px;
    align-items: start;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: calc(var(--head-h) + 28px);
    margin-bottom: 0;
    padding: 4px 0;
    background: transparent;
    border: 0;
    border-left: 1px solid var(--rule);
  }

  .page-privacy .privacy-index__cap {
    padding-left: 16px;
  }

  .page-privacy .privacy-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-index__list li {
    flex: none;
  }

  .page-privacy .privacy-index__list a {
    display: flex;
    align-items: baseline;
    gap: 12px;
    padding: 11px 14px;
    margin-left: -1px;
    white-space: normal;
    font-size: 13.5px;
    border: 0;
    border-left: 2px solid transparent;
    background: transparent;
  }

  .page-privacy .privacy-index__list a:hover,
  .page-privacy .privacy-index__list a.is-active {
    border-left-color: var(--cyan);
    background: rgba(41, 224, 200, 0.07);
  }

  .page-privacy .clause__summary {
    padding: 30px 0 20px;
    gap: 18px;
  }

  .page-privacy .clause__content {
    padding-left: 40px;
    max-width: 76ch;
  }

  .page-privacy .privacy-top {
    right: 32px;
    bottom: 32px;
  }
}

@media (min-width: 1280px) {
  .page-privacy {
    --pv-index-w: 268px;
  }

  .page-privacy .privacy-layout {
    gap: 0 72px;
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy [data-reveal].is-in {
    animation: none;
  }

  .page-privacy .clause__tog::before,
  .page-privacy .clause__tog::after {
    transition: none;
  }
}