.page-privacy {
  --pp-rail: 244px;
  --pp-gap: 56px;
  background: var(--ink-0);
  color: var(--ice-dim);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-privacy .page-privacy__hero {
  position: relative;
  padding: 36px 0 0;
  overflow: hidden;
}

.page-privacy .page-privacy__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: .5;
  pointer-events: none;
  mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
}

.page-privacy .page-privacy__hero > .container {
  position: relative;
  z-index: 1;
}

.page-privacy .page-privacy__hero .breadcrumb {
  margin-bottom: 26px;
}

.page-privacy .page-privacy__hero-inner {
  display: grid;
  gap: 18px;
  max-width: 760px;
}

.page-privacy .page-privacy__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-privacy .page-privacy__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.2vw, 64px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--ice);
}

.page-privacy .page-privacy__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--steel);
}

.page-privacy .page-privacy__banner {
  position: relative;
  margin-top: 34px;
  border: 1px solid var(--line);
  background: var(--ink-1);
  overflow: hidden;
}

.page-privacy .page-privacy__banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 6, 11, .2) 0%, rgba(4, 6, 11, .82) 100%);
  pointer-events: none;
}

.page-privacy .page-privacy__banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.6) brightness(.55) contrast(1.05);
}

.page-privacy .page-privacy__banner .media-frame__caption {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0 16px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--steel);
}

/* ---------- 布局 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 44px;
  padding-bottom: 72px;
}

/* ---------- 章节索引 ---------- */
.page-privacy .privacy-index {
  align-self: start;
}

.page-privacy .privacy-index__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-privacy .privacy-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 14px;
}

.page-privacy .privacy-index__link {
  display: block;
  padding: 9px 0 9px 2px;
  border-top: 1px solid var(--line);
  color: var(--steel);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color .2s ease, border-color .2s ease;
}

.page-privacy .privacy-index__link:hover,
.page-privacy .privacy-index__link:focus-visible {
  color: var(--ice);
  border-top-color: var(--neon);
}

.page-privacy .privacy-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--neon);
  margin-right: 7px;
}

/* ---------- 正文 ---------- */
.page-privacy .privacy-section {
  scroll-margin-top: 96px;
  padding: 28px 0 34px;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .privacy-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.page-privacy .privacy-section__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--neon);
}

.page-privacy .privacy-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 3.4vw, 26px);
  line-height: 1.32;
  letter-spacing: -.01em;
  color: var(--ice);
}

.page-privacy .privacy-section p {
  max-width: 66ch;
  margin: 0 0 15px;
  font-size: 16px;
  line-height: 1.92;
  color: var(--ice-dim);
}

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

.page-privacy .privacy-note {
  padding-left: 14px;
  border-left: 1px solid var(--line-neon);
  color: var(--steel) !important;
  font-size: 15px !important;
}

/* ---------- 折叠类别 ---------- */
.page-privacy .privacy-fact {
  border: 1px solid var(--line);
  background: var(--ink-1);
  margin: 0 0 10px;
  transition: border-color .2s ease;
}

.page-privacy .privacy-fact[open] {
  border-color: var(--line-neon);
}

.page-privacy .privacy-fact__summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 13px 15px;
  cursor: pointer;
  list-style: none;
  color: var(--ice);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

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

.page-privacy .privacy-fact__summary:focus-visible {
  outline: 1px solid var(--violet-soft);
  outline-offset: -2px;
}

.page-privacy .privacy-fact__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--neon);
}

.page-privacy .privacy-fact__plus {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--steel);
  transition: transform .2s ease, color .2s ease;
}

.page-privacy .privacy-fact[open] .privacy-fact__plus {
  transform: rotate(45deg);
  color: var(--violet-soft);
}

.page-privacy .privacy-fact__body {
  padding: 0 15px 14px;
  border-top: 1px solid var(--line);
  padding-top: 13px;
}

.page-privacy .privacy-fact__body p {
  max-width: 62ch;
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--steel);
}

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

/* ---------- 条目列表 ---------- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 6px;
  padding: 0;
}

.page-privacy .privacy-list li {
  position: relative;
  max-width: 66ch;
  padding: 13px 0 13px 20px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 25px;
  width: 8px;
  height: 1px;
  background: var(--neon);
}

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

.page-privacy .privacy-list strong {
  color: var(--ice);
  font-weight: 700;
}

/* ---------- 联系入口 ---------- */
.page-privacy .privacy-cta {
  margin-top: 30px;
  padding: 24px 20px;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(135deg, rgba(124, 255, 203, .07) 0%, rgba(139, 92, 246, .1) 100%),
    var(--ink-1);
  display: grid;
  gap: 20px;
  box-shadow: var(--shadow-layer);
}

.page-privacy .privacy-cta__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ice);
}

.page-privacy .privacy-cta__desc {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--steel);
  overflow-wrap: break-word;
}

.page-privacy .privacy-cta__mail {
  font-family: var(--font-mono);
  font-size: .93em;
  color: var(--neon);
  overflow-wrap: anywhere;
}

.page-privacy .privacy-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 桌面断点 ---------- */
@media (min-width: 900px) {
  .page-privacy .page-privacy__hero {
    padding-top: 52px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    gap: var(--pp-gap);
    margin-top: 56px;
    padding-bottom: 96px;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: 96px;
    border-top: 1px solid var(--line-strong);
    padding-top: 16px;
  }

  .page-privacy .privacy-index__list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .page-privacy .privacy-index__link {
    padding: 10px 0 10px 2px;
  }

  .page-privacy .privacy-cta {
    padding: 28px 28px;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-privacy .privacy-cta__actions {
    flex-wrap: nowrap;
  }

  .page-privacy .privacy-section {
    padding: 36px 0 42px;
  }
}
</main>