.page-privacy {
  --pp-col: 700px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 页头 ---------- */
.page-privacy .pp-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + 40px) 0 44px;
  background: linear-gradient(165deg, var(--ink) 0%, var(--ink-2) 48%, var(--night) 100%);
}

.page-privacy .pp-hero-media {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.22;
}

.page-privacy .pp-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.65);
}

.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(88% 68% at 10% 0%, rgba(20, 224, 192, 0.18), transparent 62%),
    linear-gradient(180deg, rgba(4, 23, 15, 0.52) 0%, rgba(4, 23, 15, 0.94) 76%, var(--ink) 100%);
}

.page-privacy .pp-hero-inner {
  position: relative;
}

.page-privacy .pp-hero-title {
  margin: 18px 0 0;
  max-width: 16em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.75rem, 6.2vw, 3.3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-privacy .pp-hero-lead {
  margin: 18px 0 0;
  max-width: 44em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--paper);
  opacity: 0.86;
}

.page-privacy .pp-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-hero-meta li {
  padding: 6px 12px;
  border: 1px solid var(--glass-line);
  border-radius: 999px;
  background: var(--glass);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan-soft);
}

/* ---------- 目录 + 正文 ---------- */
.page-privacy .pp-layout {
  display: grid;
  gap: 30px;
  margin-top: 34px;
  margin-bottom: 96px;
}

.page-privacy .pp-toc-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-privacy .pp-toc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-privacy .pp-toc-link {
  display: block;
  padding: 9px 0 9px 12px;
  border-left: 2px solid var(--line);
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-privacy .pp-toc-link:hover,
.page-privacy .pp-toc-link:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

.page-privacy .pp-toc-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-privacy .pp-toc-num {
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

.page-privacy .pp-body {
  max-width: var(--pp-col);
}

/* ---------- 章节 ---------- */
.page-privacy .pp-sec {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-privacy .pp-sec + .pp-sec {
  margin-top: 34px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.page-privacy .pp-sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-privacy .pp-sec-num {
  flex: none;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-privacy .pp-sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.22rem, 3.6vw, 1.68rem);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .pp-sec-lead {
  margin: 0 0 20px;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .pp-sec-foot {
  margin: 22px 0 0;
  padding: 16px 18px;
  border-radius: var(--radius-s);
  background: var(--glass);
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .pp-sec-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(20, 224, 192, 0.4);
}

.page-privacy .pp-sec-foot a:hover {
  color: var(--cyan-soft);
}

/* ---------- 编号条目 ---------- */
.page-privacy .pp-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 20px 0;
  border-top: 1px dashed var(--line);
}

.page-privacy .pp-item:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-privacy .pp-item-num {
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-privacy .pp-item-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--paper);
}

.page-privacy .pp-item-body p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .pp-item-body p + p {
  margin-top: 8px;
}

.page-privacy .pp-item-body strong {
  color: var(--paper);
  font-weight: 600;
}

/* ---------- 本地数据折叠条目 ---------- */
.page-privacy .pp-details-group {
  border-top: 1px solid var(--line);
}

.page-privacy .pp-details {
  border-bottom: 1px solid var(--line);
}

.page-privacy .pp-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 2px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--paper);
  transition: color 0.18s var(--ease);
}

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

.page-privacy .pp-details summary:hover {
  color: var(--cyan-soft);
}

.page-privacy .pp-details summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-privacy .pp-details summary::after {
  content: "＋";
  flex: none;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
}

.page-privacy .pp-details[open] summary::after {
  content: "－";
}

.page-privacy .pp-details-body {
  margin-left: 2px;
  padding: 0 0 20px 16px;
  border-left: 2px solid var(--glass-line);
}

.page-privacy .pp-details-body p {
  margin: 0 0 8px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--muted);
}

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

.page-privacy .pp-details-body strong {
  color: var(--cyan-soft);
  font-weight: 600;
}

/* ---------- 旁注 ---------- */
.page-privacy .pp-note {
  margin: 22px 0 0;
  padding: 18px 20px;
  border-left: 2px solid var(--cyan);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  background: linear-gradient(120deg, rgba(20, 224, 192, 0.13), rgba(20, 224, 192, 0.02) 72%);
}

.page-privacy .pp-note p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 0.96rem;
  line-height: 1.9;
  color: var(--paper);
}

/* ---------- 联系方式 ---------- */
.page-privacy .pp-contact {
  padding: 22px;
  border-radius: var(--radius);
  background: linear-gradient(140deg, var(--ink-3) 0%, var(--ink-2) 100%);
}

.page-privacy .pp-contact-list {
  display: grid;
  gap: 14px;
  margin: 0;
}

.page-privacy .pp-contact-row {
  display: grid;
  gap: 3px;
}

.page-privacy .pp-contact-row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-privacy .pp-contact-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.96rem;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-privacy .pp-contact-note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .pp-contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 回到顶部 ---------- */
.page-privacy .pp-top {
  position: fixed;
  right: 16px;
  bottom: 20px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  padding: 10px 15px;
  border: 1px solid var(--glass-line);
  border-radius: 999px;
  background: rgba(6, 30, 26, 0.92);
  backdrop-filter: blur(10px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan-soft);
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-privacy .pp-top:hover {
  color: var(--paper);
  border-color: var(--cyan);
}

.page-privacy .pp-top:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 窄屏 ---------- */
@media (max-width: 639px) {
  .page-privacy .pp-hero {
    padding: calc(var(--header-h) + 26px) 0 34px;
  }

  .page-privacy .pp-hero-title {
    font-size: clamp(1.66rem, 8vw, 2.25rem);
  }

  .page-privacy .pp-hero-lead {
    font-size: 0.95rem;
  }

  .page-privacy .pp-layout {
    margin-bottom: 76px;
  }

  .page-privacy .pp-item {
    grid-template-columns: 26px minmax(0, 1fr);
    gap: 4px 10px;
  }

  .page-privacy .pp-contact {
    padding: 18px;
  }

  .page-privacy .pp-top {
    right: 12px;
    bottom: 14px;
    padding: 9px 13px;
  }
}

/* ---------- 宽屏：左侧细目录 ---------- */
@media (min-width: 1024px) {
  .page-privacy .pp-layout {
    grid-template-columns: minmax(0, 232px) minmax(0, 1fr);
    gap: 68px;
    align-items: start;
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-privacy .pp-hero-title {
    margin-top: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition: none !important;
    animation: none !important;
  }
}