.page-privacy {
  --privacy-doc-max: 720px;
  --privacy-body-text: #D6E0F2;
  --privacy-dash: rgba(192, 192, 192, 0.18);
  position: relative;
}

.page-privacy .privacy-doc-head {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(24px, 4vw, 44px);
  background:
    linear-gradient(115deg, rgba(255, 107, 0, 0.1) 0%, transparent 36%),
    linear-gradient(180deg, var(--color-bg-card) 0%, var(--color-bg-primary) 100%);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.page-privacy .privacy-doc-head::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-data) 46%, transparent 100%);
}

.page-privacy .breadcrumbs {
  margin-bottom: 18px;
}

.page-privacy .privacy-doc-id {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-data);
  background: rgba(57, 255, 20, 0.07);
  border: 1px solid rgba(57, 255, 20, 0.35);
  padding: 5px 10px;
  margin-bottom: 16px;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 100%, 10px 100%);
}

.page-privacy .privacy-doc-id::before {
  content: "◆";
  color: var(--color-accent);
  font-size: 10px;
}

.page-privacy .page-title {
  margin-bottom: 8px;
  text-shadow: 4px 4px 0 rgba(255, 107, 0, 0.2);
}

.page-privacy .title-accent {
  color: var(--color-accent);
}

.page-privacy .page-lead {
  color: var(--color-text);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 62ch;
  margin: 0;
}

.page-privacy .privacy-doc-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 0;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.page-privacy .privacy-doc-meta > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  background: var(--color-bg-card);
}

.page-privacy .privacy-doc-meta dt {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.page-privacy .privacy-doc-meta dd {
  margin: 0;
  font-size: 13px;
  color: var(--color-text);
}

.page-privacy .privacy-layout {
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(32px, 5vw, 64px);
}

.page-privacy .privacy-toc {
  margin-bottom: 28px;
}

.page-privacy .privacy-toc-inner {
  background: rgba(7, 18, 35, 0.88);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  padding: 18px 16px;
}

.page-privacy .privacy-toc-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-warning);
}

.page-privacy .privacy-toc-title::after {
  content: "";
  height: 1px;
  flex: 1;
  background: linear-gradient(90deg, var(--color-border), transparent);
}

.page-privacy .privacy-toc-list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0 0 14px;
  padding: 0 0 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

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

.page-privacy .privacy-toc-list li {
  flex: 0 0 auto;
}

.page-privacy .privacy-toc-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 11px;
  font-size: 13px;
  color: var(--color-text);
  text-decoration: none;
  white-space: nowrap;
  background: rgba(192, 192, 192, 0.08);
  border: 1px solid transparent;
  transition:
    border-color var(--speed-fast) var(--ease),
    background var(--speed-fast) var(--ease),
    color var(--speed-fast) var(--ease);
}

.page-privacy .privacy-toc-list a span {
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--color-accent);
}

.page-privacy .privacy-toc-list a:hover,
.page-privacy .privacy-toc-list a:focus-visible {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  color: var(--color-text);
}

.page-privacy .privacy-toc-ext {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--speed-fast) var(--ease);
}

.page-privacy .privacy-toc-ext::before {
  content: "▸";
  color: var(--color-accent);
}

.page-privacy .privacy-toc-ext:hover {
  color: var(--color-accent);
}

.page-privacy .privacy-doc {
  min-width: 0;
}

.page-privacy .privacy-section {
  position: relative;
  margin: 0 0 40px;
  padding-bottom: 28px;
  border-bottom: 1px dashed var(--privacy-dash);
}

.page-privacy .privacy-section:last-of-type {
  margin-bottom: 8px;
  border-bottom: none;
  padding-bottom: 0;
}

.page-privacy .privacy-section[data-reveal] {
  transition:
    opacity var(--speed-base) var(--ease),
    transform var(--speed-base) var(--ease);
}

.page-privacy .privacy-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin-bottom: 20px;
}

.page-privacy .privacy-section-num {
  font-family: var(--font-heading);
  font-size: clamp(44px, 7vw, 72px);
  line-height: 0.9;
  color: var(--color-accent-soft);
  transform: skewX(-8deg);
  letter-spacing: -2px;
  user-select: none;
}

.page-privacy .privacy-section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(21px, 3.2vw, 30px);
  font-weight: 400;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--color-text);
  border-left: 4px solid var(--color-accent);
  padding-left: 14px;
  transform: skewX(-5deg);
}

.page-privacy .privacy-section-tag {
  order: 3;
  flex-basis: 100%;
  width: fit-content;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-data);
  border: 1px solid rgba(57, 255, 20, 0.35);
  background: rgba(57, 255, 20, 0.06);
  padding: 4px 8px;
}

.page-privacy .privacy-section-tag::before {
  content: "◆";
  color: var(--color-accent);
  font-size: 9px;
  margin-right: 5px;
}

.page-privacy .privacy-prose {
  max-width: var(--privacy-doc-max);
  font-size: 15px;
  line-height: 1.78;
  color: var(--privacy-body-text);
}

.page-privacy .privacy-prose p {
  margin: 0 0 16px;
}

.page-privacy .privacy-prose strong {
  color: var(--color-text);
}

.page-privacy .privacy-subhead {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 26px 0 10px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.page-privacy .privacy-subhead::before {
  content: "";
  flex: 0 0 22px;
  width: 22px;
  height: 2px;
  background: var(--color-accent);
}

.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.6em;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  transform: skewX(-14deg);
  box-shadow: 2px 2px 0 rgba(57, 255, 20, 0.55);
}

.page-privacy .privacy-shield-wrap {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 2px 0 20px;
  padding: 12px 16px;
  border: 1px solid rgba(57, 255, 20, 0.3);
  background: linear-gradient(135deg, rgba(7, 18, 35, 0.9), rgba(18, 42, 80, 0.7));
}

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

.page-privacy .privacy-shield-label {
  font-family: var(--font-data);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: var(--color-text);
}

.page-privacy .privacy-security-visual {
  position: relative;
  margin: 28px 0 4px;
  padding: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
}

.page-privacy .privacy-security-visual::before {
  content: "FIG-01 · 数据安全防护";
  position: absolute;
  top: -11px;
  left: 16px;
  z-index: 1;
  padding: 2px 8px;
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--color-data);
  background: var(--color-bg-primary);
  border: 1px solid rgba(57, 255, 20, 0.3);
}

.page-privacy .privacy-security-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-privacy .privacy-security-visual figcaption {
  padding: 10px 4px 2px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.page-privacy .privacy-doc-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 8px;
  padding: 26px 0 4px;
  border-top: 1px solid var(--color-border);
}

.page-privacy .privacy-doc-foot p {
  max-width: 64ch;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.page-privacy .privacy-doc-foot a {
  color: var(--color-accent);
}

.page-privacy .privacy-backtop {
  position: fixed;
  right: 18px;
  bottom: 22px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--color-text);
  text-decoration: none;
  background: rgba(7, 18, 35, 0.92);
  border: 1px solid var(--color-border);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition:
    border-color var(--speed-fast) var(--ease),
    background var(--speed-fast) var(--ease);
}

.page-privacy .privacy-backtop svg {
  display: block;
  width: 14px;
  height: 14px;
}

.page-privacy .privacy-backtop:hover,
.page-privacy .privacy-backtop:focus-visible {
  border-color: var(--color-accent);
  background: rgba(11, 30, 58, 0.96);
}

@media (min-width: 640px) {
  .page-privacy .privacy-doc-meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    display: grid;
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 56px;
    align-items: stretch;
  }

  .page-privacy .privacy-toc {
    margin-bottom: 0;
    background: transparent;
    border: none;
    padding: 0;
  }

  .page-privacy .privacy-toc-inner {
    position: sticky;
    top: 24px;
    border-left: 1px solid var(--color-border);
    border-top: 4px solid var(--color-accent);
    clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
    padding: 20px 18px;
  }

  .page-privacy .privacy-toc-list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
  }

  .page-privacy .privacy-toc-list a {
    white-space: normal;
  }

  .page-privacy .privacy-security-visual {
    margin-left: auto;
    width: 82%;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .page-privacy .privacy-shield {
    animation: privacy-shield-pulse 3.2s ease-in-out infinite alternate;
  }

  @keyframes privacy-shield-pulse {
    from {
      filter: drop-shadow(0 0 2px rgba(57, 255, 20, 0.25));
    }
    to {
      filter: drop-shadow(0 0 12px rgba(57, 255, 20, 0.75));
    }
  }
}