.page-privacy {
  --privacy-index-w: 252px;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: 108px 0 40px;
  isolation: isolate;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 82%;
  background:
    radial-gradient(120% 100% at 86% 0%, rgba(53, 240, 160, 0.18), transparent 58%),
    linear-gradient(158deg, var(--panel-hi) 0%, var(--panel) 48%, rgba(7, 11, 20, 0) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 0 100%);
  z-index: -2;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(76, 215, 255, 0.18) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: 0.55;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 72%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 72%);
  z-index: -1;
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
}

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

.page-privacy .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--neon);
}

.page-privacy .privacy-hero__eyebrow {
  color: var(--neon);
  margin: 0 0 12px;
}

.page-privacy .privacy-hero__title {
  margin: 0;
  font-weight: 900;
  font-size: clamp(34px, 7vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-privacy .privacy-hero__title::after {
  content: "";
  display: block;
  width: 96px;
  height: 5px;
  margin-top: 18px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--neon), var(--cyan));
}

.page-privacy .privacy-hero__lead {
  margin: 20px 0 0;
  max-width: 60ch;
  color: var(--muted);
}

.page-privacy .privacy-banner {
  margin: 34px 0 0;
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
}

/* ---------- 主体网格 ---------- */
.page-privacy .privacy-main {
  display: grid;
  gap: 32px;
  padding: 46px 0 84px;
}

/* ---------- 左侧索引 ---------- */
.page-privacy .privacy-index {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 16px;
}

.page-privacy .privacy-index__title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .privacy-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-privacy .privacy-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-privacy .privacy-index__link:hover,
.page-privacy .privacy-index__link:focus-visible {
  color: var(--text);
  background: var(--panel-hi);
}

.page-privacy .privacy-index__num {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--neon);
}

.page-privacy .privacy-index__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 条款面板 ---------- */
.page-privacy .privacy-sections {
  display: grid;
  gap: 22px;
  min-width: 0;
}

.page-privacy .privacy-panel {
  --tone: var(--neon);
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 20px 26px 26px;
  scroll-margin-top: 116px;
  transition: border-color 0.28s var(--ease), box-shadow 0.28s var(--ease), transform 0.28s var(--ease);
}

.page-privacy .privacy-panel--cyan {
  --tone: var(--cyan);
}

.page-privacy .privacy-panel--gold {
  --tone: var(--gold);
}

.page-privacy .privacy-panel--orange {
  --tone: var(--orange);
}

.page-privacy .privacy-panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  bottom: 24px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: var(--tone);
  opacity: 0.85;
}

.page-privacy .privacy-panel:hover,
.page-privacy .privacy-panel:focus-within {
  border-color: var(--tone);
  box-shadow: 0 0 0 1px rgba(53, 240, 160, 0.14), 0 16px 36px rgba(4, 8, 18, 0.55);
  transform: translateY(-4px);
}

.page-privacy .privacy-panel__num {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--tone);
}

.page-privacy .privacy-panel__title {
  margin: 0 0 14px;
}

.page-privacy .privacy-panel__lead {
  margin: 0 0 22px;
  max-width: 60ch;
  color: var(--muted);
  line-height: 1.8;
}

.page-privacy .privacy-panel__footnote {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 条款条目 ---------- */
.page-privacy .privacy-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-items__row {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(26, 42, 74, 0.42);
  border: 1px solid rgba(34, 48, 79, 0.9);
}

.page-privacy .privacy-items__key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--tone, var(--neon));
}

.page-privacy .privacy-items__row p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-privacy .privacy-items__row a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .privacy-items__row a:hover,
.page-privacy .privacy-items__row a:focus-visible {
  color: var(--cyan);
}

/* ---------- 留存时间表 ---------- */
.page-privacy .privacy-spec {
  margin: 22px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-privacy .privacy-spec__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  justify-content: space-between;
  align-items: baseline;
  padding: 12px 16px;
  background: rgba(15, 27, 51, 0.72);
}

.page-privacy .privacy-spec__row + .privacy-spec__row {
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-spec__row dt {
  font-size: 14px;
  color: var(--muted);
}

.page-privacy .privacy-spec__row dd {
  margin: 0;
  font-size: 14px;
  color: var(--cyan);
  white-space: nowrap;
}

/* ---------- 相关页面 ---------- */
.page-privacy .privacy-more {
  border-radius: var(--radius-lg);
  padding: 26px 22px;
}

.page-privacy .privacy-more__title {
  margin: 0 0 14px;
  font-size: 18px;
}

.page-privacy .privacy-more__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .privacy-more__list li a {
  display: block;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(7, 11, 20, 0.5);
  color: var(--text);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-privacy .privacy-more__list li a:hover,
.page-privacy .privacy-more__list li a:focus-visible {
  border-color: var(--neon);
  color: var(--neon);
  transform: translateX(4px);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 700px) {
  .page-privacy .privacy-hero {
    padding-top: 128px;
  }

  .page-privacy .privacy-items__row {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: start;
    gap: 16px;
    padding: 16px 18px;
  }

  .page-privacy .privacy-panel {
    padding: 32px 30px 32px 34px;
  }

  .page-privacy .privacy-more__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
}

/* ---------- 桌面双栏 ---------- */
@media (min-width: 960px) {
  .page-privacy .privacy-main {
    grid-template-columns: var(--privacy-index-w) minmax(0, 1fr);
    gap: 44px;
    padding: 64px 0 104px;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: 108px;
    align-self: start;
    padding: 22px 18px;
  }

  .page-privacy .privacy-sections {
    gap: 28px;
  }

  .page-privacy .privacy-banner {
    margin-top: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-panel,
  .page-privacy .privacy-more__list li a {
    transition: none;
  }

  .page-privacy .privacy-panel:hover,
  .page-privacy .privacy-panel:focus-within,
  .page-privacy .privacy-more__list li a:hover,
  .page-privacy .privacy-more__list li a:focus-visible {
    transform: none;
  }
}