.page-privacy {
  --privacy-measure: 720px;
  background: var(--deep-ink);
  color: var(--slate-text);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 104px);
  overflow-x: hidden;
}

.page-privacy .container {
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding: clamp(24px, 5vw, 56px) 0 clamp(18px, 3vw, 30px);
  overflow: hidden;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -12%;
  width: min(560px, 72vw);
  height: min(560px, 72vw);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(139, 92, 246, .26), rgba(0, 233, 255, .07) 48%, transparent 68%);
  pointer-events: none;
  z-index: 0;
}

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

.page-privacy .privacy-hero .breadcrumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted-gray-blue);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: clamp(20px, 4vw, 38px);
}

.page-privacy .privacy-hero .breadcrumbs a {
  color: var(--muted-gray-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 2px;
  transition: color .25s var(--ease-out), border-color .25s var(--ease-out);
}

.page-privacy .privacy-hero .breadcrumbs a:hover,
.page-privacy .privacy-hero .breadcrumbs a:focus-visible {
  color: var(--electric-cyan);
  border-color: var(--electric-cyan);
}

.page-privacy .privacy-hero .eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--electric-cyan);
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px;
  margin: 0 0 18px;
}

.page-privacy h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(31px, 6.2vw, 54px);
  line-height: 1.12;
  letter-spacing: .035em;
  color: var(--ink-strong);
  margin: 0;
  max-width: 17ch;
}

.page-privacy .privacy-h1__accent {
  color: var(--electric-cyan);
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-privacy .privacy-h1__accent {
    background: linear-gradient(96deg, var(--electric-cyan) 8%, var(--neon-purple) 58%, var(--neon-orange) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

.page-privacy .privacy-hero__lead {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 40ch;
  font-size: clamp(16px, 2.2vw, 17px);
  line-height: 1.95;
  color: var(--slate-text);
}

/* ---------- 顶部横幅 ---------- */
.page-privacy .privacy-banner {
  margin: clamp(26px, 4.6vw, 46px) 0 clamp(34px, 5.6vw, 66px);
}

.page-privacy .privacy-banner .figure__media {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--indigo-core);
  box-shadow: 0 0 0 1px rgba(139, 92, 246, .12), 0 24px 60px -40px rgba(0, 233, 255, .5);
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-privacy .privacy-banner .figure__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted-gray-blue);
}

/* ---------- 正文与索引 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 32px);
  align-items: start;
}

.page-privacy .privacy-layout > * {
  min-width: 0;
}

.page-privacy .privacy-index {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
  overflow-x: auto;
  padding: 2px 0 14px;
  border-bottom: 1px solid var(--line-soft);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-index__label {
  display: none;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted-gray-blue);
  margin: 0;
}

.page-privacy .privacy-index .side-index__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted-gray-blue);
  text-decoration: none;
  white-space: nowrap;
  transition: color .25s var(--ease-out), border-color .25s var(--ease-out), background-color .25s var(--ease-out);
}

.page-privacy .privacy-index .side-index__link .mono {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted-gray-blue);
  transition: color .25s var(--ease-out);
}

.page-privacy .privacy-index .side-index__link:hover,
.page-privacy .privacy-index .side-index__link:focus-visible {
  color: var(--electric-cyan);
  border-color: var(--electric-cyan);
}

.page-privacy .privacy-index .side-index__link:hover .mono,
.page-privacy .privacy-index .side-index__link:focus-visible .mono {
  color: var(--electric-cyan);
}

.page-privacy .privacy-index .side-index__link.is-active {
  color: var(--deep-ink);
  background: var(--electric-cyan);
  border-color: var(--electric-cyan);
}

.page-privacy .privacy-index .side-index__link.is-active .mono {
  color: var(--deep-ink);
}

/* ---------- 章节折叠 ---------- */
.page-privacy .privacy-article {
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-fold {
  border-top: 1px solid var(--line-soft);
  padding: 0;
}

.page-privacy .privacy-fold > summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: clamp(20px, 3.4vw, 30px) 0 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .privacy-fold > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--muted-gray-blue);
  transition: color .25s var(--ease-out);
}

.page-privacy .privacy-fold[open] > summary::after {
  content: "\2013";
  color: var(--electric-cyan);
}

.page-privacy .privacy-fold > summary:hover::after,
.page-privacy .privacy-fold > summary:focus-visible::after {
  color: var(--electric-cyan);
}

.page-privacy .privacy-fold > summary:focus-visible {
  outline: 2px solid var(--electric-cyan);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.page-privacy .privacy-fold__num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--electric-cyan);
  padding-top: 6px;
}

.page-privacy .privacy-fold__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1.4;
  letter-spacing: .03em;
  color: var(--ink-strong);
}

.page-privacy .privacy-fold__body {
  padding: 0 0 clamp(26px, 4vw, 42px);
}

.page-privacy .privacy-fold__body p {
  margin: 0 0 20px;
  font-size: clamp(15.5px, 2.1vw, 16.5px);
  line-height: 2.05;
  color: var(--slate-text);
  max-width: 38em;
}

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

/* ---------- 条目列表 ---------- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 16px;
}

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

.page-privacy .privacy-list > li {
  position: relative;
  padding-left: 18px;
  font-size: clamp(15.5px, 2.1vw, 16.5px);
  line-height: 2;
  color: var(--slate-text);
}

.page-privacy .privacy-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  bottom: .4em;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(var(--electric-cyan), rgba(0, 233, 255, .1));
}

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

.page-privacy .privacy-mail {
  color: var(--electric-cyan);
  word-break: break-all;
}

.page-privacy .privacy-note {
  position: relative;
  padding: 14px 16px 14px 18px;
  border-left: 2px solid var(--alert-amber);
  background: rgba(255, 194, 75, .06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--slate-text);
  margin: 20px 0 0;
  max-width: 38em;
}

.page-privacy .privacy-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--data-mint);
  border: 1px solid rgba(43, 227, 154, .35);
  border-radius: 999px;
  padding: 5px 12px;
  margin: 0 0 18px;
}

/* ---------- 相关入口 ---------- */
.page-privacy .privacy-next {
  margin-top: clamp(32px, 5vw, 52px);
  padding-top: clamp(24px, 3.6vw, 34px);
  border-top: 1px solid var(--line-soft);
}

.page-privacy .privacy-next__label {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted-gray-blue);
  margin: 0 0 16px;
}

.page-privacy .privacy-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-privacy .privacy-next__list a {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  color: var(--slate-text);
  text-decoration: none;
  transition: color .25s var(--ease-out), border-color .25s var(--ease-out), background-color .25s var(--ease-out);
}

.page-privacy .privacy-next__list a:hover,
.page-privacy .privacy-next__list a:focus-visible {
  color: var(--deep-ink);
  background: var(--neon-orange);
  border-color: var(--neon-orange);
}

.page-privacy .privacy-top {
  margin: 26px 0 0;
}

.page-privacy .privacy-top a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted-gray-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
  transition: color .25s var(--ease-out), border-color .25s var(--ease-out);
}

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

/* ---------- 桌面：右侧固定锚点目录 ---------- */
@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: clamp(40px, 5vw, 68px);
  }

  .page-privacy .privacy-article {
    order: 1;
  }

  .page-privacy .privacy-index {
    order: 2;
    position: sticky;
    top: calc(var(--header-h) + 28px);
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    overflow: visible;
    padding: 0;
    border-bottom: 0;
    border-left: 1px solid var(--line-soft);
  }

  .page-privacy .privacy-index__label {
    display: block;
    padding: 0 14px 12px;
  }

  .page-privacy .privacy-index .side-index__link {
    position: relative;
    flex: 0 0 auto;
    border: 0;
    border-radius: 0;
    padding: 8px 14px;
    white-space: normal;
    font-size: 13.5px;
    line-height: 1.6;
  }

  .page-privacy .privacy-index .side-index__link::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 7px;
    bottom: 7px;
    width: 2px;
    border-radius: 2px;
    background: transparent;
    transition: background-color .25s var(--ease-out);
  }

  .page-privacy .privacy-index .side-index__link:hover,
  .page-privacy .privacy-index .side-index__link:focus-visible {
    color: var(--electric-cyan);
  }

  .page-privacy .privacy-index .side-index__link.is-active {
    color: var(--electric-cyan);
    background: transparent;
    border-color: transparent;
  }

  .page-privacy .privacy-index .side-index__link.is-active .mono {
    color: var(--electric-cyan);
  }

  .page-privacy .privacy-index .side-index__link.is-active::before {
    background: var(--electric-cyan);
  }

  .page-privacy .privacy-hero__lead {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}