.page-privacy {
  --pp-rule: 1px solid var(--edge);
  --pp-rule-soft: 1px solid var(--edge-soft);

  background: var(--nebula-bg), var(--void);
  background-color: var(--void);
  color: var(--silver);
  font-family: var(--font-body);
  font-size: clamp(15px, 0.5vw + 13px, 17px);
  line-height: 1.75;
  padding-bottom: clamp(56px, 9vw, 112px);
  overflow-x: clip;
}

.page-privacy__crumbs {
  padding-block: clamp(16px, 2.6vw, 28px) 4px;
}

.page-privacy .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-privacy .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
  outline: none;
}

/* ---------- 首屏 ---------- */
.page-privacy__hero {
  padding-block: clamp(22px, 3.6vw, 44px) clamp(18px, 3vw, 32px);
}

.page-privacy__hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 38px);
}

.page-privacy__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(42px, 9vw, 92px);
  line-height: 0.96;
  letter-spacing: -0.035em;
  color: var(--stardust);
}

.page-privacy__title::after {
  content: "";
  display: block;
  width: clamp(52px, 13vw, 132px);
  height: 2px;
  margin-top: clamp(16px, 2.4vw, 26px);
  background: linear-gradient(90deg, var(--neon), rgba(53, 242, 208, 0));
}

.page-privacy__lede {
  margin-top: clamp(14px, 2vw, 22px);
  max-width: 42ch;
  color: var(--silver);
}

.page-privacy__digest {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--pp-rule-soft);
}

.page-privacy__digest li {
  position: relative;
  padding: 13px 0 13px 16px;
  border-bottom: var(--pp-rule-soft);
  font-size: clamp(14px, 0.5vw + 12.5px, 15.5px);
  line-height: 1.72;
  color: var(--mist);
}

.page-privacy__digest li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  bottom: 15px;
  width: 2px;
  background: linear-gradient(180deg, var(--neon), rgba(53, 242, 208, 0));
}

/* ---------- 抽象纹理 ---------- */
.page-privacy__media {
  margin: clamp(16px, 3vw, 32px) 0 clamp(22px, 3.4vw, 40px);
}

.page-privacy__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: var(--pp-rule);
  border-radius: var(--radius);
  background: var(--orbit);
  clip-path: polygon(0 0, 100% 2.8%, 100% 100%, 0 97.2%);
}

.page-privacy__media figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 粘性目录 ---------- */
.page-privacy__toc {
  position: sticky;
  top: var(--header-h);
  z-index: 20;
  background: rgba(10, 6, 32, 0.95);
  border-top: var(--pp-rule);
  border-bottom: var(--pp-rule);
}

.page-privacy__toc-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-block: 9px;
}

.page-privacy__toc-label {
  flex: 0 0 auto;
  padding-right: 10px;
  border-right: var(--pp-rule);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-privacy__toc-list {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0 0 2px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page-privacy__toc-list::-webkit-scrollbar {
  display: none;
}

.page-privacy__toc-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 12px;
  white-space: nowrap;
  font-size: 13.5px;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-privacy__toc-list a:hover,
.page-privacy__toc-list a:focus-visible {
  color: var(--stardust);
  border-color: var(--neon);
  outline: none;
}

.page-privacy__toc-no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--violet);
  transition: color 0.2s ease;
}

.page-privacy__toc-list a:hover .page-privacy__toc-no,
.page-privacy__toc-list a:focus-visible .page-privacy__toc-no {
  color: var(--neon);
}

/* ---------- 章节 ---------- */
.page-privacy__sections {
  padding-top: 0;
}

.page-privacy__section {
  padding-block: clamp(28px, 4vw, 50px);
  border-top: var(--pp-rule);
  scroll-margin-top: calc(var(--header-h) + 64px);
}

.page-privacy__section:first-child {
  border-top: 0;
  padding-top: clamp(22px, 3vw, 36px);
}

.page-privacy__head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 20px);
  margin-bottom: clamp(14px, 2.2vw, 24px);
}

.page-privacy__head .section-no {
  font-family: var(--font-editorial);
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1;
  color: var(--violet);
  opacity: 0.85;
}

.page-privacy__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(21px, 2.6vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--stardust);
}

/* ---------- 条目 ---------- */
.page-privacy__entries {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--pp-rule-soft);
}

.page-privacy__entry {
  border-bottom: var(--pp-rule-soft);
}

.page-privacy__entry summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 13px 4px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(14.5px, 0.5vw + 13px, 16px);
  line-height: 1.7;
  color: var(--silver);
  transition: color 0.18s ease;
}

.page-privacy__entry summary::-webkit-details-marker {
  display: none;
}

.page-privacy__entry summary::marker {
  content: "";
}

.page-privacy__entry summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  color: var(--mist);
  transition: color 0.2s ease;
}

.page-privacy__entry details[open] > summary::after {
  content: "\2212";
  color: var(--neon);
}

.page-privacy__entry summary:hover {
  color: var(--stardust);
}

.page-privacy__entry summary:hover::after {
  color: var(--neon);
}

.page-privacy__entry summary:focus-visible {
  outline: 1px solid var(--neon);
  outline-offset: 2px;
}

.page-privacy__n {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--violet);
}

.page-privacy__entry details[open] .page-privacy__n {
  color: var(--neon);
}

.page-privacy__t {
  display: block;
  min-width: 0;
}

.page-privacy__d {
  margin: 0;
  padding: 2px 8px 18px 46px;
  max-width: 68ch;
  font-size: clamp(13.5px, 0.4vw + 12.5px, 14.5px);
  line-height: 1.72;
  color: var(--mist);
}

.page-privacy .num {
  font-family: var(--font-mono);
  font-size: 0.94em;
  letter-spacing: 0.01em;
  color: var(--amber);
}

.page-privacy .kw {
  color: var(--silver);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(53, 242, 208, 0.5);
  text-underline-offset: 3px;
}

.page-privacy .kw:hover {
  text-decoration-color: var(--neon);
}

.page-privacy__footnote {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  max-width: 62ch;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-privacy__footnote a {
  color: var(--silver);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(53, 242, 208, 0.45);
  text-underline-offset: 3px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.page-privacy__footnote a:hover,
.page-privacy__footnote a:focus-visible {
  color: var(--neon);
  text-decoration-color: var(--neon);
  outline: none;
}

/* ---------- 相关页面 ---------- */
.page-privacy__related {
  margin-top: clamp(30px, 4vw, 54px);
  padding-top: clamp(24px, 3.4vw, 42px);
  border-top: var(--pp-rule);
}

.page-privacy__related h2 {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(17px, 1.2vw + 13px, 21px);
  letter-spacing: 0.01em;
  color: var(--stardust);
}

.page-privacy__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-privacy__links a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border: var(--pp-rule);
  border-radius: var(--radius);
  color: var(--silver);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.page-privacy__links a:hover,
.page-privacy__links a:focus-visible {
  border-color: var(--neon);
  background-color: rgba(53, 242, 208, 0.05);
  color: var(--stardust);
  outline: none;
}

.page-privacy__links em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  line-height: 1.5;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy__links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy__hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(32px, 5vw, 76px);
  }

  .page-privacy__sections {
    max-width: 1080px;
  }
}

@media (max-width: 560px) {
  .page-privacy__d {
    padding-left: 0;
    padding-right: 0;
  }

  .page-privacy__toc-label {
    display: none;
  }

  .page-privacy__entry summary {
    gap: 9px;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-privacy {
    background: #ffffff;
    color: #101010;
  }

  .page-privacy__toc,
  .page-privacy__media,
  .page-privacy__entry summary::after,
  .page-privacy__title::after,
  .page-privacy__digest li::before {
    display: none;
  }

  .page-privacy__section,
  .page-privacy__entry {
    break-inside: avoid;
  }

  .page-privacy__title,
  .page-privacy__head h2,
  .page-privacy__related h2 {
    color: #101010;
  }
}