.page-privacy {
  --privacy-toc-w: 264px;
  --privacy-content-w: 720px;
  --privacy-clause-gap: 36px;
  background: var(--color-bg);
  color: var(--color-text);
}

.page-privacy .breadcrumb__link,
.page-privacy .breadcrumb__current {
  color: var(--color-text-dim);
  text-decoration: none;
  font-size: 0.875rem;
  line-height: 1.6;
  transition: color var(--transition);
}

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

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

/* ===== Hero 首屏 ===== */
.page-privacy__hero {
  position: relative;
  padding: 104px 0 56px;
  overflow: hidden;
}

.page-privacy__hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: -12%;
  width: 52%;
  height: 100%;
  background: linear-gradient(135deg, rgba(30, 42, 90, 0.55), rgba(46, 30, 94, 0.25));
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-privacy__hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: -6%;
  width: 34%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.6;
  pointer-events: none;
}

.page-privacy__hero .container {
  position: relative;
  z-index: 1;
}

.page-privacy__hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
  margin-top: 40px;
}

.page-privacy__hero-copy {
  max-width: 560px;
}

.page-privacy__hero-title {
  margin: 14px 0 6px;
  font-size: clamp(2.6rem, 7vw, 4.2rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.page-privacy__hero-sub {
  margin: 0 0 18px;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.01em;
}

.page-privacy__hero-desc {
  margin: 0 0 28px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
}

.page-privacy__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-privacy__hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: 0.8125rem;
  color: var(--color-text-dim);
  background: rgba(18, 18, 31, 0.7);
  border: 1px solid var(--color-line);
}

.page-privacy__hero-visual {
  position: relative;
}

.page-privacy__hero-frame {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-line-accent);
  padding: 8px;
}

.page-privacy__hero-frame::before {
  content: '';
  position: absolute;
  top: -10px;
  right: -10px;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.35), transparent 70%);
  z-index: 2;
  pointer-events: none;
}

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

/* ===== 正文布局 ===== */
.page-privacy__body {
  padding: 24px 0 96px;
}

.page-privacy__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

/* ===== 左侧目录 ===== */
.page-privacy__toc-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  padding: 24px 20px;
  position: relative;
}

.page-privacy__toc-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--color-accent);
}

.page-privacy__toc-label {
  margin: 0 0 16px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.page-privacy__toc-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-privacy__toc-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  text-decoration: none;
  color: var(--color-text);
  border-left: 2px solid transparent;
  transition: background var(--transition), border-color var(--transition), color var(--transition), padding-left var(--transition);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.page-privacy__toc-link:hover {
  background: rgba(0, 229, 255, 0.06);
  border-left-color: var(--color-accent);
  color: #ffffff;
  padding-left: 18px;
}

.page-privacy__toc-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

.page-privacy__toc-note {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--color-line);
}

.page-privacy__toc-note summary {
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gold);
  list-style: none;
  position: relative;
  padding-right: 24px;
}

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

.page-privacy__toc-note summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 0;
  color: var(--color-gold);
  font-size: 1rem;
  transition: transform var(--transition);
}

.page-privacy__toc-note[open] summary::after {
  transform: rotate(45deg);
}

.page-privacy__toc-note-text {
  margin: 12px 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--color-text-dim);
}

/* ===== 右侧条款 ===== */
.page-privacy__content {
  max-width: var(--privacy-content-w);
}

.page-privacy__clause {
  padding: var(--privacy-clause-gap) 0;
  border-bottom: 1px solid var(--color-line);
  scroll-margin-top: 100px;
}

.page-privacy__clause:first-of-type {
  padding-top: 0;
}

.page-privacy__clause-header {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 20px;
}

.page-privacy__clause-num {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.88;
  flex-shrink: 0;
}

.page-privacy__clause-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.01em;
}

.page-privacy__clause-lead {
  margin: 0 0 8px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
}

.page-privacy__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-privacy__list-item {
  position: relative;
  display: flex;
  gap: 16px;
  padding: 18px 0 18px 20px;
  border-bottom: 1px solid var(--color-line);
  transition: padding-left var(--transition), background var(--transition);
}

.page-privacy__list-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 0;
  background: var(--color-accent);
  transition: height var(--transition), top var(--transition);
}

.page-privacy__list-item:hover {
  padding-left: 30px;
}

.page-privacy__list-item:hover::before {
  height: 60%;
  top: 20%;
}

.page-privacy__list-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-dim);
  line-height: 1.9;
  flex-shrink: 0;
}

.page-privacy__list-content {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-text);
}

.page-privacy__list-content strong {
  color: #ffffff;
  font-weight: 600;
}

/* ===== 提示块 ===== */
.page-privacy__alert {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  margin-top: 28px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.07), rgba(30, 42, 90, 0.18));
  border-left: 3px solid var(--color-accent);
}

.page-privacy__alert p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--color-text);
}

.page-privacy__alert strong {
  color: #ffffff;
  font-weight: 600;
}

.page-privacy__alert-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  color: var(--color-accent);
  margin-top: 2px;
}

.page-privacy__alert--gold {
  background: linear-gradient(135deg, rgba(232, 195, 106, 0.08), rgba(30, 42, 90, 0.18));
  border-left-color: var(--color-gold);
}

.page-privacy__alert--gold .page-privacy__alert-icon {
  color: var(--color-gold);
}

/* ===== 可展开折叠 ===== */
.page-privacy__accordion {
  margin-top: 20px;
  border: 1px solid var(--color-line);
  background: rgba(18, 18, 31, 0.6);
}

.page-privacy__accordion summary {
  cursor: pointer;
  padding: 14px 18px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  list-style: none;
  position: relative;
  padding-right: 44px;
  transition: background var(--transition);
}

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

.page-privacy__accordion summary::after {
  content: '+';
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--color-accent);
  transition: transform var(--transition);
}

.page-privacy__accordion[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.page-privacy__accordion[open] summary {
  background: rgba(0, 229, 255, 0.04);
}

.page-privacy__accordion-content {
  padding: 4px 18px 18px;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--color-text-dim);
}

.page-privacy__accordion-content p {
  margin: 0 0 8px;
}

.page-privacy__accordion-content p:last-child {
  margin-bottom: 0;
}

/* ===== 联系卡片 ===== */
.page-privacy__contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 24px;
}

.page-privacy__contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  transition: border-color var(--transition), background var(--transition);
}

.page-privacy__contact-item:hover {
  border-color: var(--color-line-accent);
  background: rgba(30, 42, 90, 0.3);
}

.page-privacy__contact-label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.page-privacy__contact-value {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: #ffffff;
  word-break: break-all;
}

.page-privacy__contact-note {
  margin: 20px 0 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--color-text-dim);
}

.page-privacy__contact-note a {
  color: var(--color-link);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.page-privacy__contact-note a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ===== 更新声明 ===== */
.page-privacy__update {
  padding-top: 28px;
}

.page-privacy__update p {
  margin: 0 0 6px;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--color-text-dim);
}

.page-privacy__update p:last-child {
  margin-bottom: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-gold);
}

/* ===== 响应式增强 ===== */
@media (min-width: 600px) {
  .page-privacy__contact {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .page-privacy__hero {
    padding: 128px 0 72px;
  }

  .page-privacy__hero-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    margin-top: 48px;
  }

  .page-privacy__hero-copy {
    max-width: 520px;
  }

  .page-privacy__hero-frame {
    padding: 10px;
  }

  .page-privacy__body {
    padding: 32px 0 112px;
  }
}

@media (min-width: 992px) {
  .page-privacy__layout {
    grid-template-columns: var(--privacy-toc-w) minmax(0, 1fr);
    gap: 64px;
  }

  .page-privacy__toc {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-privacy__content {
    padding-top: 8px;
  }

  .page-privacy__clause {
    --privacy-clause-gap: 48px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .page-privacy [data-reveal] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .page-privacy [data-reveal="in"] {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}