/* ============================================================
   page-disclaimer – 使用条款页面专属样式
   移动端优先，含两档断点：768px / 1024px
   所有选择器限定在 .page-disclaimer 作用域内
   ============================================================ */
.page-disclaimer {
  --pd-bg: #F5F0E8;
  --pd-card-bg: #FFFFFF;
  --pd-primary: #0066CC;
  --pd-primary-hover: #0052A3;
  --pd-secondary: #FF6600;
  --pd-text: #1A1A1A;
  --pd-text-secondary: #666666;
  --pd-border: #E6E0D6;
  --pd-border-strong: #CCC6BA;
  --pd-radius: 12px;
  --pd-radius-sm: 8px;
  --pd-shadow: 0 4px 20px rgba(0,0,0,0.08);
  --pd-shadow-hover: 0 8px 32px rgba(0,0,0,0.12);
  --pd-font-heading: Inter Bold, 'Helvetica Neue', Arial, sans-serif;
  --pd-font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --pd-font-digit: 'JetBrains Mono', 'SF Mono', monospace;
  --pd-gap: 24px;
  --pd-gap-lg: 40px;

  display: block;
  width: 100%;
  background: var(--pd-bg);
  font-family: var(--pd-font-body);
  color: var(--pd-text);
  line-height: 1.6;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- 容器 ---------- */
.page-disclaimer__container {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}

/* ---------- 面包屑 ---------- */
.page-disclaimer__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  color: var(--pd-text-secondary);
  margin-bottom: 20px;
  padding: 8px 0;
  border-bottom: 1px solid var(--pd-border);
}

.page-disclaimer__breadcrumb a {
  color: var(--pd-primary);
  text-decoration: none;
  transition: color 0.2s;
}

.page-disclaimer__breadcrumb a:hover,
.page-disclaimer__breadcrumb a:focus-visible {
  color: var(--pd-primary-hover);
  text-decoration: underline;
}

.page-disclaimer__breadcrumb-sep {
  color: var(--pd-border-strong);
  font-size: 0.75rem;
}

/* ---------- 页面标题 ---------- */
.page-disclaimer__header {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 32px;
}

.page-disclaimer__header-icon {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: var(--pd-radius);
  overflow: hidden;
  box-shadow: var(--pd-shadow);
  background: var(--pd-card-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-disclaimer__header-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  max-width: 100%;
}

.page-disclaimer__header-text {
  flex: 1;
  min-width: 0;
}

.page-disclaimer__title {
  font-family: var(--pd-font-heading);
  font-size: 2rem;
  line-height: 1.2;
  color: var(--pd-text);
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

.page-disclaimer__subtitle {
  font-size: 0.9375rem;
  color: var(--pd-text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* ---------- 条款索引 ---------- */
.page-disclaimer__toc {
  background: var(--pd-card-bg);
  border-radius: var(--pd-radius);
  padding: 20px 24px;
  margin-bottom: var(--pd-gap-lg);
  box-shadow: var(--pd-shadow);
  border: 1px solid var(--pd-border);
}

.page-disclaimer__toc-label {
  display: inline-block;
  font-family: var(--pd-font-heading);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pd-primary);
  margin-bottom: 12px;
  border-bottom: 2px solid var(--pd-primary);
  padding-bottom: 4px;
}

.page-disclaimer__toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.page-disclaimer__toc-link {
  display: inline-block;
  font-size: 0.9375rem;
  color: var(--pd-text);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.page-disclaimer__toc-link:hover,
.page-disclaimer__toc-link:focus-visible {
  color: var(--pd-primary);
  border-bottom-color: var(--pd-primary);
  outline: none;
}

.page-disclaimer__toc-link:focus-visible {
  outline: 3px solid var(--pd-secondary);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ---------- 条款卡片 ---------- */
.page-disclaimer__clauses {
  display: flex;
  flex-direction: column;
  gap: var(--pd-gap);
}

.page-disclaimer__clause {
  display: flex;
  gap: 16px;
  background: var(--pd-card-bg);
  border-radius: var(--pd-radius);
  padding: 24px 20px;
  box-shadow: var(--pd-shadow);
  border: 1px solid var(--pd-border);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
  scroll-margin-top: 80px;
}

.page-disclaimer__clause:hover {
  box-shadow: var(--pd-shadow-hover);
  transform: translateY(-2px);
}

.page-disclaimer__clause-number {
  flex-shrink: 0;
  width: 48px;
  padding-top: 2px;
}

.page-disclaimer__clause-anchor {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  font-family: var(--pd-font-digit);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--pd-card-bg);
  background: var(--pd-primary);
  border-radius: var(--pd-radius-sm);
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
  line-height: 1;
}

.page-disclaimer__clause-anchor:hover,
.page-disclaimer__clause-anchor:focus-visible {
  background: var(--pd-primary-hover);
  transform: scale(1.05);
  outline: none;
}

.page-disclaimer__clause-anchor:focus-visible {
  outline: 3px solid var(--pd-secondary);
  outline-offset: 4px;
}

.page-disclaimer__clause-content {
  flex: 1;
  min-width: 0;
}

.page-disclaimer__clause-heading {
  font-family: var(--pd-font-heading);
  font-size: 1.375rem;
  line-height: 1.3;
  color: var(--pd-text);
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 3px solid var(--pd-primary);
  display: inline-block;
  letter-spacing: -0.01em;
}

.page-disclaimer__clause-text {
  font-size: 0.9375rem;
  color: var(--pd-text);
  margin: 0 0 12px;
  line-height: 1.7;
}

.page-disclaimer__clause-text:last-child {
  margin-bottom: 0;
}

.page-disclaimer__clause-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
}

.page-disclaimer__clause-list li {
  position: relative;
  padding: 6px 0 6px 24px;
  font-size: 0.9375rem;
  color: var(--pd-text);
  line-height: 1.6;
}

.page-disclaimer__clause-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  top: 6px;
  color: var(--pd-primary);
  font-weight: 700;
}

/* ---------- 底部关联 ---------- */
.page-disclaimer__related {
  margin-top: var(--pd-gap-lg);
  padding: 20px 24px;
  background: var(--pd-card-bg);
  border-radius: var(--pd-radius);
  border: 1px solid var(--pd-border);
  box-shadow: var(--pd-shadow);
  text-align: center;
}

.page-disclaimer__related-text {
  font-size: 0.9375rem;
  color: var(--pd-text-secondary);
  margin: 0;
  line-height: 1.6;
}

.page-disclaimer__related-link {
  color: var(--pd-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s, border-bottom 0.2s;
  border-bottom: 1px solid transparent;
}

.page-disclaimer__related-link:hover,
.page-disclaimer__related-link:focus-visible {
  color: var(--pd-primary-hover);
  border-bottom-color: var(--pd-primary-hover);
  outline: none;
}

.page-disclaimer__related-link:focus-visible {
  outline: 3px solid var(--pd-secondary);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ============================================================
   768px 及以上 = 平板 / 桌面窄屏
   ============================================================ */
@media (min-width: 768px) {
  .page-disclaimer__container {
    padding: 32px 32px 80px;
  }

  .page-disclaimer__header {
    gap: 28px;
    margin-bottom: 40px;
  }

  .page-disclaimer__header-icon {
    width: 80px;
    height: 80px;
  }

  .page-disclaimer__title {
    font-size: 2.5rem;
  }

  .page-disclaimer__subtitle {
    font-size: 1rem;
  }

  .page-disclaimer__toc {
    padding: 24px 32px;
  }

  .page-disclaimer__toc-list {
    gap: 8px 24px;
  }

  .page-disclaimer__clause {
    padding: 28px 32px;
    gap: 20px;
  }

  .page-disclaimer__clause-number {
    width: 56px;
  }

  .page-disclaimer__clause-anchor {
    width: 56px;
    height: 56px;
    font-size: 1.375rem;
  }

  .page-disclaimer__clause-heading {
    font-size: 1.5rem;
  }

  .page-disclaimer__clause-text {
    font-size: 1rem;
  }

  .page-disclaimer__clause-list li {
    font-size: 1rem;
  }

  .page-disclaimer__related {
    padding: 24px 32px;
    margin-top: 48px;
  }

  .page-disclaimer__related-text {
    font-size: 1rem;
  }
}

/* ============================================================
   1024px 及以上 = 桌面宽屏
   ============================================================ */
@media (min-width: 1024px) {
  .page-disclaimer__container {
    padding: 40px 40px 96px;
  }

  .page-disclaimer__header {
    gap: 32px;
    margin-bottom: 48px;
  }

  .page-disclaimer__title {
    font-size: 3rem;
  }

  .page-disclaimer__toc {
    padding: 28px 40px;
    margin-bottom: 48px;
  }

  .page-disclaimer__clause {
    padding: 32px 40px;
    gap: 24px;
  }

  .page-disclaimer__clause-number {
    width: 64px;
  }

  .page-disclaimer__clause-anchor {
    width: 64px;
    height: 64px;
    font-size: 1.5rem;
  }

  .page-disclaimer__clause-heading {
    font-size: 1.625rem;
  }

  .page-disclaimer__related {
    padding: 28px 40px;
  }
}

/* ---------- 图片响应保证 ---------- */
.page-disclaimer img {
  max-width: 100%;
  height: auto;
}

/* ---------- 焦点样式统一 ---------- */
.page-disclaimer *:focus-visible {
  outline: 3px solid var(--pd-secondary);
  outline-offset: 4px;
}