.page-privacy {
  --pv-line: rgba(139, 155, 165, 0.22);
  --pv-gold-soft: rgba(212, 175, 55, 0.09);
  --pv-ink-light: rgba(245, 247, 250, 0.86);
  --pv-sidebar-w: 250px;
  --pv-content-w: 760px;
  --pv-banner-h: 300px;
  background: linear-gradient(180deg, var(--clr-deep) 0%, var(--clr-ink) 100%);
  color: var(--clr-off-white);
  font-family: var(--font-body);
  line-height: 1.8;
  position: relative;
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}

/* ---------- 顶部横幅 ---------- */
.page-privacy__banner {
  position: relative;
  z-index: 1;
  min-height: var(--pv-banner-h);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: radial-gradient(900px 380px at 85% -10%, rgba(212, 175, 55, 0.16), transparent 60%), linear-gradient(135deg, #081429 0%, var(--clr-ink) 58%, var(--clr-deep) 100%);
}

.page-privacy__banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--clr-gold), var(--clr-orange) 45%, var(--clr-green) 85%);
  z-index: 3;
}

.page-privacy__banner-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  z-index: 0;
}

.page-privacy__banner-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-5) var(--space-3) var(--space-4);
}

.page-privacy__banner h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4.2vw, 2.75rem);
  line-height: 1.22;
  max-width: 17em;
  margin: 0.65rem 0 1rem;
  color: var(--clr-off-white);
  text-wrap: balance;
}

.page-privacy__banner-lead {
  max-width: 46em;
  margin: 0;
  font-size: 1.03rem;
  line-height: 1.8;
  color: var(--pv-ink-light);
}

.page-privacy__banner-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

/* ---------- 主体布局 ---------- */
.page-privacy__body {
  position: relative;
  z-index: 1;
  padding: var(--space-4) 0 var(--space-6);
}

.page-privacy__layout {
  display: block;
}

/* ---------- 侧边目录 ---------- */
.page-privacy__sidebar {
  margin-bottom: var(--space-4);
  padding: var(--space-3);
  background: rgba(16, 42, 67, 0.6);
  border: 1px solid var(--pv-line);
  border-radius: var(--radius-md);
}

.page-privacy__sidebar-title {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clr-gold);
  margin: 0 0 0.6rem;
}

.page-privacy__toc {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy__toc-item + .page-privacy__toc-item {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.page-privacy__toc-link {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.8rem 0.25rem;
  color: rgba(245, 247, 250, 0.82);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-privacy__toc-link:hover,
.page-privacy__toc-link:focus-visible {
  color: var(--clr-gold);
  padding-left: 0.5rem;
  outline: none;
}

.page-privacy__toc-num {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--clr-gold);
  flex-shrink: 0;
}

.page-privacy__sidebar-extra {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--pv-line);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.page-privacy__sidebar-extra-title {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-gray);
  margin: 0 0 0.25rem;
}

.page-privacy__sidebar-extra a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--clr-blue);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-privacy__sidebar-extra a:hover,
.page-privacy__sidebar-extra a:focus-visible {
  color: var(--clr-gold);
  outline: none;
}

.page-privacy__sidebar-extra a::before {
  content: "→";
  color: var(--clr-gold);
  font-size: 0.85rem;
  flex-shrink: 0;
}

/* ---------- 内容章节 ---------- */
.page-privacy__content {
  min-width: 0;
}

.page-privacy__section {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy__section:first-child {
  padding-top: 0;
}

.page-privacy__section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-privacy__section-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.page-privacy__section-index {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  line-height: 1;
  color: var(--clr-gold);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.14), transparent 80%);
  padding: 0.4rem 0.9rem 0.4rem 0.75rem;
  border-left: 3px solid var(--clr-gold);
  transform: skewX(-8deg);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  flex-shrink: 0;
  display: inline-block;
}

.page-privacy__section-index::after {
  content: "";
  display: inline-block;
  width: 0;
}

.page-privacy__section-meta {
  flex: 1;
  min-width: 0;
}

.page-privacy__section-kicker {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clr-muted-gold);
  margin: 0 0 0.35rem;
}

.page-privacy__section-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  line-height: 1.35;
  margin: 0;
  color: var(--clr-off-white);
  text-wrap: balance;
}

.page-privacy__section-body {
  margin-top: var(--space-3);
  color: var(--pv-ink-light);
  font-size: 0.97rem;
}

.page-privacy__section-body p {
  margin: 0 0 1rem;
}

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

.page-privacy__section-body strong {
  color: var(--clr-off-white);
  font-weight: 600;
}

.page-privacy__list {
  margin: 1.25rem 0;
  padding: 0;
  list-style: none;
}

.page-privacy__list li {
  position: relative;
  padding: 0.7rem 0 0.7rem 1.9rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.page-privacy__list li:last-child {
  border-bottom: none;
}

.page-privacy__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.18rem;
  width: 8px;
  height: 8px;
  background: var(--clr-gold);
  transform: skewX(-12deg);
  border-radius: 1px;
}

.page-privacy__list li strong {
  display: inline-block;
  margin-right: 0.25rem;
}

.page-privacy__highlight {
  margin-top: var(--space-3);
  padding: var(--space-3);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(255, 107, 53, 0.04));
  border-left: 4px solid var(--clr-gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.95rem;
  overflow-wrap: break-word;
}

.page-privacy__highlight a {
  color: var(--clr-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy__highlight a:hover,
.page-privacy__highlight a:focus-visible {
  color: var(--clr-off-white);
  outline: none;
}

/* ---------- 联系卡片 ---------- */
.page-privacy__section--contact {
  margin-top: var(--space-2);
  padding: var(--space-4);
  background: rgba(16, 42, 67, 0.45);
  border: 1px solid var(--pv-line);
  border-radius: var(--radius-lg);
}

.page-privacy__contact-card {
  display: grid;
  gap: 0.8rem;
  margin: var(--space-2) 0 0;
  padding: var(--space-3);
  background: rgba(11, 29, 58, 0.55);
  border: 1px solid var(--pv-line);
  border-radius: var(--radius-md);
}

.page-privacy__contact-card p {
  margin: 0;
}

.page-privacy__contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-privacy__contact-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: baseline;
  font-size: 0.95rem;
  overflow-wrap: break-word;
}

.page-privacy__contact-list span {
  color: var(--clr-gray);
  flex-shrink: 0;
}

.page-privacy__contact-list a {
  color: var(--clr-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 175, 55, 0.4);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-privacy__contact-list a:hover,
.page-privacy__contact-list a:focus-visible {
  color: var(--clr-off-white);
  border-color: var(--clr-off-white);
  outline: none;
}

.page-privacy__contact-note {
  font-size: 0.9rem;
  color: var(--clr-gray);
  padding-top: 0.4rem;
  border-top: 1px dashed var(--pv-line);
}

.page-privacy__contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: var(--space-3);
}

.page-privacy__contact-actions .btn {
  text-decoration: none;
}

/* ---------- 选择文本高亮 ---------- */
.page-privacy ::selection {
  background: var(--clr-gold);
  color: var(--clr-deep);
}

.page-privacy ::-moz-selection {
  background: var(--clr-gold);
  color: var(--clr-deep);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 960px) {
  .page-privacy {
    --pv-banner-h: 340px;
  }

  .page-privacy__layout {
    display: grid;
    grid-template-columns: var(--pv-sidebar-w) minmax(0, 1fr);
    gap: 4rem;
    align-items: start;
  }

  .page-privacy__sidebar {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    margin-bottom: 0;
    background: rgba(16, 42, 67, 0.45);
    backdrop-filter: blur(6px);
  }

  .page-privacy__content {
    max-width: var(--pv-content-w);
  }

  .page-privacy__section {
    padding: var(--space-5) 0;
  }

  .page-privacy__section-title {
    font-size: 1.6rem;
  }

  .page-privacy__section-body {
    font-size: 1rem;
  }

  .page-privacy__list li {
    padding-right: 1rem;
  }

  .page-privacy__banner-inner {
    padding-top: var(--space-6);
    padding-bottom: var(--space-5);
  }
}

@media (min-width: 1240px) {
  .page-privacy__layout {
    gap: 5rem;
  }

  .page-privacy__content {
    max-width: 820px;
  }
}