.page-privacy {
  --p-rail-w: 190px;
  --p-shell-gap: clamp(1.75rem, 5vw, 3.25rem);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

/* ---------- 页头 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--rule);
  margin-top: clamp(1rem, 2.5vw, 1.75rem);
}

.page-privacy .privacy-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: .58;
}

.page-privacy .privacy-hero__veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 10% 8%, rgba(123, 92, 255, .34), transparent 62%),
    radial-gradient(78% 84% at 90% 104%, rgba(242, 183, 74, .2), transparent 64%),
    linear-gradient(180deg, rgba(6, 10, 27, .32) 0%, rgba(6, 10, 27, .84) 62%, var(--ink) 100%);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--gold) 28%, var(--violet) 72%, transparent 100%);
  opacity: .75;
  z-index: 3;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 2;
  padding-block: clamp(3.25rem, 9vw, 5.75rem);
}

.page-privacy .privacy-hero__coord {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--data);
  margin: 0 0 1rem;
}

.page-privacy .privacy-hero__title {
  font-size: clamp(2rem, 5.2vw, 3.35rem);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--ice);
  margin: 0 0 1.05rem;
}

.page-privacy .privacy-hero__lead {
  margin: 0;
  max-width: 44rem;
  color: var(--text);
  font-size: clamp(.98rem, 1.35vw, 1.06rem);
  line-height: 1.85;
}

/* ---------- 三栏骨架（左轨道 + 正文） ---------- */
.page-privacy .privacy-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--p-shell-gap);
  align-items: start;
  padding-top: clamp(2.25rem, 6vw, 3.75rem);
}

/* ---------- 左侧轨道索引 ---------- */
.page-privacy .privacy-rail {
  align-self: start;
  min-width: 0;
}

.page-privacy .privacy-rail__cap {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--muted);
  margin: 0 0 .9rem;
}

.page-privacy .privacy-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .1rem;
  border-left: 1px solid var(--rule);
}

.page-privacy .privacy-rail__link {
  display: block;
  margin-left: -1px;
  padding: .62rem 0 .62rem 1rem;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .privacy-rail__link:hover,
.page-privacy .privacy-rail__link:focus-visible {
  color: var(--ice);
}

.page-privacy .privacy-rail__link[data-active] {
  color: var(--gold);
  border-left-color: var(--gold);
}

.page-privacy .privacy-rail__note {
  margin: 1.25rem 0 0;
  padding-left: 1rem;
  font-size: .85rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-privacy .privacy-rail__note a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 183, 74, .38);
}

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

/* ---------- 正文 ---------- */
.page-privacy .privacy-body {
  min-width: 0;
  max-width: 50rem;
}

.page-privacy .privacy-sec {
  padding-block: clamp(1.9rem, 4.2vw, 2.75rem);
  border-top: 1px solid var(--rule);
  scroll-margin-top: 150px;
}

.page-privacy .privacy-body > .privacy-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .privacy-sec__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--data);
  margin-bottom: .7rem;
}

.page-privacy .privacy-sec__title {
  margin: 0 0 1.05rem;
  font-size: clamp(1.35rem, 2.7vw, 1.95rem);
  line-height: 1.32;
  letter-spacing: -.005em;
  color: var(--ice);
}

.page-privacy .privacy-body p {
  margin: 0 0 1.1em;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.85;
}

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

.page-privacy .privacy-sub {
  margin: 1.9em 0 .75em;
  padding-left: .85rem;
  border-left: 2px solid var(--gold);
  color: var(--ice);
  font-size: clamp(1rem, 1.55vw, 1.08rem);
  font-weight: 700;
  line-height: 1.5;
}

.page-privacy .privacy-callout {
  position: relative;
  margin: 1.6em 0 0 !important;
  padding: 1.05rem 1.2rem;
  background: rgba(78, 216, 192, .07);
  border-left: 2px solid var(--data);
  color: var(--ice) !important;
  font-size: .96rem !important;
  line-height: 1.8 !important;
}

/* 用途清单 */
.page-privacy .privacy-uses {
  list-style: none;
  margin: 1.4em 0 0;
  padding: 0;
  display: grid;
  gap: 1.15rem;
}

.page-privacy .privacy-uses > li {
  display: grid;
  gap: .3rem;
  padding-left: 1rem;
  border-left: 1px solid var(--rule);
  transition: border-color .18s var(--ease);
}

.page-privacy .privacy-uses > li:hover {
  border-left-color: var(--violet);
}

.page-privacy .privacy-uses__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--data);
}

.page-privacy .privacy-uses__v {
  display: block;
  color: var(--text);
  font-size: .97rem;
  line-height: 1.82;
}

/* 紧凑清单 */
.page-privacy .privacy-tight {
  list-style: none;
  margin: 1em 0 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-privacy .privacy-tight li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--text);
  font-size: .97rem;
  line-height: 1.8;
}

.page-privacy .privacy-tight li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 7px;
  height: 1px;
  background: var(--data);
}

/* 权利三项 */
.page-privacy .privacy-rights {
  display: grid;
  gap: 1.25rem;
  margin: 1.5em 0 1.6em;
}

.page-privacy .privacy-rights__item {
  padding-top: 1rem;
  border-top: 2px solid var(--rule);
}

.page-privacy .privacy-rights__k {
  display: block;
  margin-bottom: .5rem;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-privacy .privacy-rights__item p {
  margin: 0;
  color: var(--text);
  font-size: .95rem;
  line-height: 1.8;
}

/* 隐私事务邮箱 */
.page-privacy .privacy-mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem 1rem;
  margin: 1.3em 0 1.3em;
  padding: 1rem 1.15rem;
  background: var(--layer);
  border: 1px solid var(--rule);
  border-left: 2px solid var(--violet);
}

.page-privacy .privacy-mail__label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-privacy .privacy-mail__addr {
  flex: 1 1 14rem;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: .95rem;
  letter-spacing: .02em;
  color: var(--ice);
  word-break: break-all;
}

.page-privacy .privacy-mail__copy {
  flex: 0 0 auto;
}

/* 尾部链接与返回顶部 */
.page-privacy .privacy-next {
  margin: 2.25rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--rule);
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.8;
}

.page-privacy .privacy-next a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 183, 74, .38);
}

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

.page-privacy .privacy-back {
  margin: 2.25rem 0 0;
}

.page-privacy .privacy-sticky {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 20;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 920px) {
  .page-privacy .privacy-shell {
    grid-template-columns: var(--p-rail-w) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4.5rem);
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: clamp(122px, 17vh, 160px);
  }

  .page-privacy .privacy-rights {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .page-privacy .privacy-back {
    margin-top: 3rem;
  }
}

@media (min-width: 1180px) {
  .page-privacy .privacy-rail__list {
    border-left-color: var(--rule);
  }
}

/* ---------- 窄屏 ---------- */
@media (max-width: 640px) {
  .page-privacy .privacy-hero__inner {
    padding-block: 2.75rem 2.5rem;
  }

  .page-privacy .privacy-hero__coord {
    letter-spacing: .12em;
  }

  .page-privacy .privacy-mail {
    padding: .9rem 1rem;
  }

  .page-privacy .privacy-mail__label {
    flex: 1 1 100%;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-uses > li,
  .page-privacy .privacy-rail__link {
    transition: none;
  }
}