.page-privacy {
  --priv-text: #D3DEE7;
  --priv-measure: 62ch;
  position: relative;
  display: block;
  overflow-x: clip;
  background:
    radial-gradient(110% 60% at 92% -8%, rgba(53, 224, 208, .09), transparent 62%),
    radial-gradient(80% 50% at 0% 4%, rgba(255, 90, 95, .07), transparent 58%),
    linear-gradient(180deg, var(--c-deep) 0%, var(--c-ink) 34%, var(--c-ink) 100%);
  color: var(--priv-text);
}

/* ---------- 顶部：斜切分区 + 抽象分层纹理 ---------- */
.page-privacy .priv-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2.25rem, 7vw, 4.75rem) 0 clamp(2.5rem, 6vw, 3.75rem);
  border-bottom: 1px solid var(--c-line-soft);
}

.page-privacy .priv-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-privacy .priv-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center;
  opacity: .34;
  filter: saturate(.9) contrast(1.06);
}

.page-privacy .priv-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 18, 30, .58) 0%, rgba(11, 26, 43, .88) 62%, var(--c-ink) 100%),
    linear-gradient(96deg, rgba(42, 31, 61, .7) 0%, transparent 46%);
}

.page-privacy .priv-hero::after {
  content: "";
  position: absolute;
  left: -6%;
  right: -6%;
  bottom: -34px;
  height: clamp(56px, 9vw, 118px);
  background: linear-gradient(180deg, transparent, var(--c-ink));
  transform: skewY(var(--angle-a));
  transform-origin: right bottom;
  pointer-events: none;
  z-index: 0;
}

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

.page-privacy .priv-hero__title {
  margin: .55rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 8.4vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--c-paper);
}

.page-privacy .priv-hero__lede {
  max-width: 54ch;
  margin: 0;
  font-size: clamp(.9375rem, 2.6vw, 1.0625rem);
  line-height: 1.85;
  color: var(--priv-text);
}

.page-privacy .priv-anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
  margin: clamp(1.75rem, 5vw, 2.5rem) 0 0;
  padding-top: 1.125rem;
  border-top: 1px dashed var(--c-line);
}

.page-privacy .priv-anchor {
  display: flex;
  align-items: baseline;
  gap: .5rem;
}

.page-privacy .priv-anchor dt {
  font-family: var(--font-serif);
  font-size: .8125rem;
  letter-spacing: .1em;
  color: var(--c-text-sub);
}

.page-privacy .priv-anchor dd {
  display: flex;
  align-items: baseline;
  gap: .25rem;
  margin: 0;
}

.page-privacy .priv-anchor__num {
  font-family: var(--font-mono);
  font-size: clamp(1.625rem, 6.4vw, 2.5rem);
  line-height: 1;
  color: var(--c-cyan);
  text-shadow: 0 0 22px rgba(53, 224, 208, .35);
}

.page-privacy .priv-anchor__unit {
  font-family: var(--font-mono);
  font-size: .8125rem;
  color: var(--c-text-sub);
}

/* ---------- 档案柜主体：左侧索引 + 右侧条款 ---------- */
.page-privacy .priv-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.75rem);
  padding-block: clamp(2rem, 6vw, 4rem);
}

.page-privacy .priv-index {
  padding: .875rem 1rem 1rem;
  border: 1px solid var(--c-line);
  background: linear-gradient(180deg, rgba(18, 40, 63, .88), rgba(18, 40, 63, .46));
  box-shadow: 0 18px 40px -32px rgba(0, 0, 0, .9);
}

.page-privacy .priv-index__head {
  margin: 0 0 .6rem;
  font-family: var(--font-serif);
  font-size: .8125rem;
  letter-spacing: .16em;
  color: var(--c-gold);
}

.page-privacy .priv-index__list {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  gap: .25rem 1.25rem;
  margin: 0;
  padding: 0 0 .35rem;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
}

.page-privacy .priv-index__link {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  padding: .3rem 0;
  font-size: .875rem;
  line-height: 1.5;
  color: var(--c-text-sub);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-privacy .priv-index__link:hover,
.page-privacy .priv-index__link:focus-visible {
  color: var(--c-paper);
  border-bottom-color: var(--c-gold);
}

.page-privacy .priv-index__no {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--c-cyan);
}

.page-privacy .priv-index__note {
  margin: .75rem 0 0;
  padding-top: .7rem;
  border-top: 1px solid var(--c-line-soft);
  font-family: var(--font-serif);
  font-size: .75rem;
  line-height: 1.8;
  color: var(--c-stone);
}

/* ---------- 条款条目 ---------- */
.page-privacy .priv-articles {
  min-width: 0;
}

.page-privacy .clause {
  position: relative;
  margin-bottom: clamp(1rem, 2.4vw, 1.5rem);
  padding: clamp(1.125rem, 3vw, 1.75rem) clamp(1rem, 3.2vw, 1.875rem) clamp(1.125rem, 3vw, 1.625rem);
  border: 1px solid var(--c-line);
  border-left: 3px solid rgba(216, 183, 120, .5);
  background:
    linear-gradient(180deg, rgba(18, 40, 63, .72) 0%, rgba(11, 26, 43, .5) 100%);
  scroll-margin-top: calc(var(--bar-h) + 1.5rem);
  transition: border-color .35s var(--ease), box-shadow .35s var(--ease);
}

.page-privacy .clause:target {
  border-color: var(--c-cyan);
  border-left-color: var(--c-cyan);
  box-shadow: 0 0 0 1px rgba(53, 224, 208, .28), 0 26px 60px -46px rgba(53, 224, 208, .9);
}

.page-privacy .clause__head {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  margin-bottom: .75rem;
}

.page-privacy .clause__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: .8125rem;
  line-height: 1.6;
  letter-spacing: .1em;
  color: var(--c-gold);
  padding: .05rem .4rem;
  border: 1px solid var(--c-line);
  background: rgba(6, 18, 30, .6);
}

.page-privacy .clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 4.2vw, 1.375rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-privacy .clause__lede {
  max-width: var(--priv-measure);
  margin: 0 0 .5rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--priv-text);
}

.page-privacy .clause__fold {
  max-width: var(--priv-measure);
  border-top: 1px solid var(--c-line-soft);
  margin-top: .875rem;
}

.page-privacy .clause__fold > summary {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .7rem 0 .3rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-serif);
  font-size: .8125rem;
  letter-spacing: .12em;
  color: var(--c-gold);
}

.page-privacy .clause__fold > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .clause__fold > summary::before {
  content: "+";
  display: inline-block;
  width: 1rem;
  font-family: var(--font-mono);
  font-size: .9375rem;
  line-height: 1;
  color: var(--c-cyan);
}

.page-privacy .clause__fold[open] > summary::before {
  content: "–";
}

.page-privacy .clause__fold-close {
  display: none;
}

.page-privacy .clause__fold[open] .clause__fold-open {
  display: none;
}

.page-privacy .clause__fold[open] .clause__fold-close {
  display: inline;
}

.page-privacy .clause__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .clause__fold[open] .clause__list {
  animation: priv-unfold .32s var(--ease) both;
}

@keyframes priv-unfold {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}

.page-privacy .clause__list > li {
  position: relative;
  padding: .6rem 0 .6rem 1.375rem;
  border-top: 1px dashed var(--c-line-soft);
  font-size: .9375rem;
  line-height: 1.9;
  color: var(--priv-text);
}

.page-privacy .clause__list > li:first-child {
  border-top: 0;
}

.page-privacy .clause__list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.25rem;
  width: 9px;
  height: 1px;
  background: var(--c-cyan);
  opacity: .85;
}

.page-privacy .clause__key {
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--c-gold);
  margin-right: .45rem;
  white-space: nowrap;
}

.page-privacy .clause__list > li:nth-child(even) .clause__key {
  color: var(--c-cyan);
}

/* ---------- 尾部相关入口 ---------- */
.page-privacy .priv-links {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  padding: clamp(1.125rem, 3vw, 1.5rem) clamp(1rem, 3vw, 1.75rem);
  border: 1px dashed var(--c-line);
  background: linear-gradient(120deg, rgba(42, 31, 61, .55), rgba(11, 26, 43, .35));
}

.page-privacy .priv-links__head {
  margin: 0 0 .75rem;
  font-family: var(--font-serif);
  font-size: .8125rem;
  letter-spacing: .16em;
  color: var(--c-gold);
}

.page-privacy .priv-links__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .5rem;
}

.page-privacy .priv-links__list li {
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--c-text-sub);
}

.page-privacy .priv-links__list a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, .35);
  transition: border-color .25s var(--ease);
}

.page-privacy .priv-links__list a:hover,
.page-privacy .priv-links__list a:focus-visible {
  border-bottom-color: var(--c-cyan);
}

/* ---------- 桌面：常驻编号索引轨 ---------- */
@media (min-width: 60rem) {
  .page-privacy .priv-body {
    grid-template-columns: 208px minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .priv-index {
    position: sticky;
    top: calc(var(--bar-h) + 1.5rem);
    padding: 1.125rem 1.25rem 1.25rem;
  }

  .page-privacy .priv-index__list {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    gap: 0;
    padding: 0 0 0 .875rem;
    border-left: 1px solid var(--c-line);
    overflow: visible;
  }

  .page-privacy .priv-index__link {
    padding: .4rem 0;
  }
}

@media (min-width: 82rem) {
  .page-privacy .priv-body {
    padding-left: 1.5rem;
  }
}

/* ---------- 低动效与打印 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .clause,
  .page-privacy .clause__list,
  .page-privacy .priv-index__link,
  .page-privacy .priv-links__list a {
    transition: none;
    animation: none;
  }

  .page-privacy .clause__fold[open] .clause__list {
    animation: none;
  }
}

@media print {
  .page-privacy {
    background: #fff;
    color: #111;
  }

  .page-privacy .priv-hero__bg,
  .page-privacy .priv-hero::after {
    display: none;
  }

  .page-privacy .priv-hero__title,
  .page-privacy .clause__title {
    color: #111;
  }

  .page-privacy .priv-index {
    position: static;
    border-color: #bbb;
    background: none;
  }

  .page-privacy .clause,
  .page-privacy .priv-links {
    border-color: #bbb;
    background: none;
    box-shadow: none;
  }

  .page-privacy .clause__fold > summary {
    display: none;
  }
}