/**
 * 28APK 全站设计令牌（与根目录 DESIGN.md 同步）
 */
:root {
  --color-text-primary: #0b1220;
  --color-text-secondary: #334155;
  --color-text-muted: #64748b;
  --color-surface-base: #f8fafc;
  --color-surface-raised: #ffffff;
  --color-surface-subtle: #f1f5f9;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;
  --color-accent: #1e3a8a;
  --color-accent-hover: #172554;
  --color-link: #2563eb;
  --color-info-bg: #eff6ff;
  --color-info-border: #bfdbfe;
  --color-success-bg: #f0fdf4;
  --color-success-border: #bbf7d0;
  --color-success-text: #166534;
  --color-warning-bg: #fffbeb;
  --color-warning-border: #fcd34d;
  --color-warning-text: #78350f;
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  --text-base: 15px;
  --leading-base: 1.72;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 14px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 18px 48px rgba(15, 23, 42, 0.08);
  --focus-ring: 2px solid var(--color-link);
  --focus-offset: 2px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/**
 * 全站焦点环（键盘导航）
 */
:focus {
  outline: none;
}

:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/**
 * 覆盖 Bootstrap/tool.css 的微软雅黑，与 DESIGN.md 的 Inter 栈对齐。
 */
html,
body {
  font-family: var(--font-sans) !important;
}

/**
 * AdSense 未填充时收起占位，避免 90px 空框。
 */
ins.adsbygoogle[data-ad-status="unfilled"] {
  display: none !important;
  min-height: 0 !important;
  height: 0 !important;
}

.ad-slot:has(ins.adsbygoogle[data-ad-status="unfilled"]),
.home-ad-top:has(ins.adsbygoogle[data-ad-status="unfilled"]) {
  display: none !important;
}

/**
 * 会员/热门小标：保证 ≥12px、琥珀色对比（覆盖 Bootstrap .label-warning 浅黄白字）。
 */
.label-warning,
.badge-warning,
.pro-gate-badge {
  font-size: 12px !important;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-warning-text) !important;
  background: var(--color-warning-bg) !important;
  border: 1px solid var(--color-warning-border);
}