/* ============================================
   AI Brief Starter - Premium Visual Design
   Modern UI with Glassmorphism & Vibrant Colors
   ============================================ */

/* ============================================
   CSS 变量定义 - 现代配色系统
   ============================================ */
:root {
  /* 主色调 - 鲜艳蓝紫渐变 */
  --md-primary-fg-color: #7c3aed;
  --md-primary-fg-color--light: #a78bfa;
  --md-primary-fg-color--dark: #5b21b6;
  
  /* 强调色 - 活力粉紫 */
  --md-accent-fg-color: #ec4899;
  --md-accent-fg-color--light: #f472b6;
  
  /* 覆盖 MkDocs 默认背景色 */
  --md-default-bg-color: #faf5ff;
  
  /* 渐变色 */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-cool: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-warm: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
  --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  --gradient-aurora: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
  
  /* 玻璃态变量 */
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(124, 58, 237, 0.2);
  --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.15);
  --glass-blur: blur(16px);
  
  /* 卡片样式变量 */
  --brief-card-border: rgba(124, 58, 237, 0.2);
  --brief-card-bg: rgba(255, 255, 255, 0.85);
  --brief-card-hover-bg: rgba(255, 255, 255, 0.95);
  
  /* 阴影系统 */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.2);
  --shadow-colored: 0 20px 40px -10px rgba(124, 58, 237, 0.3);
  
  /* 间距系统 */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* 圆角系统 */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* 动画曲线 */
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* 深色模式变量 */
[data-md-color-scheme="slate"] {
  --md-default-bg-color: #1a1a2e;
  --glass-bg: rgba(30, 30, 46, 0.75);
  --glass-border: rgba(167, 139, 250, 0.25);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  
  --brief-card-border: rgba(167, 139, 250, 0.25);
  --brief-card-bg: rgba(30, 30, 46, 0.85);
  --brief-card-hover-bg: rgba(40, 40, 60, 0.95);
  
  --shadow-glow: 0 0 40px rgba(167, 139, 250, 0.25);
  --shadow-colored: 0 20px 40px -10px rgba(167, 139, 250, 0.35);
}

/* ============================================
   强制背景样式 - 覆盖主题默认
   ============================================ */

/* 主背景区域 */
.md-container,
.md-main {
  background: linear-gradient(135deg, #faf5ff 0%, #fdf4ff 50%, #fff5f7 100%) !important;
}

[data-md-color-scheme="slate"] .md-container,
[data-md-color-scheme="slate"] .md-main {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #1e1e3f 100%) !important;
}

/* 内容区域背景透明 */
.md-content {
  background: transparent !important;
}

/* ============================================
   全局布局优化
   ============================================ */

/* 全局背景装饰 */
body {
  background: linear-gradient(135deg, #faf5ff 0%, #fdf4ff 50%, #fff5f7 100%) !important;
}

[data-md-color-scheme="slate"] body {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #1e1e3f 100%) !important;
}

/* 主容器 */
.md-main {
  position: relative !important;
  overflow: hidden !important;
}

/* 装饰光晕 - 右上角 */
.md-main .md-main__inner {
  position: relative !important;
}

.md-main .md-main__inner::before {
  content: '' !important;
  position: fixed !important;
  top: 0 !important;
  right: 0 !important;
  width: 50vw !important;
  height: 50vh !important;
  background: radial-gradient(ellipse at top right, rgba(124, 58, 237, 0.08) 0%, transparent 60%) !important;
  pointer-events: none !important;
  z-index: 0 !important;
}

/* 装饰光晕 - 左下角 */
.md-main .md-main__inner::after {
  content: '' !important;
  position: fixed !important;
  bottom: 0 !important;
  left: 0 !important;
  width: 40vw !important;
  height: 40vh !important;
  background: radial-gradient(ellipse at bottom left, rgba(236, 72, 153, 0.06) 0%, transparent 60%) !important;
  pointer-events: none !important;
  z-index: 0 !important;
}

/* 深色模式装饰 */
[data-md-color-scheme="slate"] .md-main .md-main__inner::before {
  background: radial-gradient(ellipse at top right, rgba(167, 139, 250, 0.12) 0%, transparent 60%) !important;
}

[data-md-color-scheme="slate"] .md-main .md-main__inner::after {
  background: radial-gradient(ellipse at bottom left, rgba(244, 114, 182, 0.08) 0%, transparent 60%) !important;
}

/* 内容区域 */
.md-content {
  max-width: 1000px !important;
  position: relative !important;
  z-index: 1 !important;
}

.md-content__inner {
  padding: var(--space-xl) var(--space-lg);
}

/* 页面标题增强 */
.md-content h1 {
  font-weight: 800;
  font-size: 2.25rem;
  letter-spacing: -0.03em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-lg);
  position: relative;
  padding-bottom: var(--space-md);
}

.md-content h1::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

/* 副标题 */
.md-content h2 {
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--md-primary-fg-color);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid transparent;
  background-image: linear-gradient(to right, var(--brief-card-border), transparent);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  position: relative;
}

.md-content h2::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 40px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.md-content h3 {
  font-weight: 600;
  font-size: 1.25rem;
  color: #374151;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

[data-md-color-scheme="slate"] .md-content h3 {
  color: #d1d5db;
}

/* ============================================
   引用块 - 玻璃态设计
   ============================================ */

.md-typeset blockquote {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  border: 1px solid var(--glass-border) !important;
  border-left: 4px solid var(--md-primary-fg-color) !important;
  border-radius: var(--radius-lg) !important;
  padding: var(--space-lg) !important;
  margin: var(--space-xl) 0 !important;
  box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255,255,255,0.5) !important;
  position: relative;
  overflow: hidden;
}

.md-typeset blockquote::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.md-typeset blockquote p {
  margin: 0;
  font-size: 0.95rem;
  color: #4b5563;
}

[data-md-color-scheme="slate"] .md-typeset blockquote p {
  color: #9ca3af;
}

/* ============================================
   卡片网格系统
   ============================================ */

/* KPI 卡片网格 */
.md-typeset .brief-kpi-grid > ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  list-style: none;
  padding: 0;
  margin: var(--space-xl) 0;
}

.md-typeset .brief-kpi-grid > ul > li {
  position: relative;
  background: var(--brief-card-bg);
  border: 1px solid var(--brief-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s var(--ease-out);
  overflow: hidden;
}

/* 卡片顶部渐变条 */
.md-typeset .brief-kpi-grid > ul > li::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s var(--ease-out);
}

/* 卡片悬浮效果 */
.md-typeset .brief-kpi-grid > ul > li:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-colored);
  border-color: var(--md-primary-fg-color--light);
}

.md-typeset .brief-kpi-grid > ul > li:hover::before {
  opacity: 1;
}

/* TOP 资讯卡片 */
.md-typeset .brief-top-grid > ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
  list-style: none;
  padding: 0;
  margin: var(--space-xl) 0;
}

.md-typeset .brief-top-grid > ul > li {
  position: relative;
  background: var(--brief-card-bg);
  border: 1px solid var(--brief-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  min-height: 140px;
  box-shadow: var(--shadow-sm);
  transition: all 0.4s var(--ease-out);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.md-typeset .brief-top-grid > ul > li::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: var(--gradient-primary);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s var(--ease-out);
}

.md-typeset .brief-top-grid > ul > li:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-colored);
}

.md-typeset .brief-top-grid > ul > li:hover::after {
  opacity: 1;
}

/* ============================================
   折叠卡片 - 玻璃态增强
   ============================================ */

.md-typeset details.info {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255,255,255,0.3) !important;
  margin: var(--space-lg) 0 !important;
  overflow: hidden;
  transition: all 0.3s var(--ease-out);
  position: relative;
}

.md-typeset details.info::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s var(--ease-out);
}

.md-typeset details.info:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--md-primary-fg-color--light);
}

.md-typeset details.info:hover::before {
  opacity: 1;
}

.md-typeset details.info[open] {
  box-shadow: var(--shadow-lg);
  border-color: var(--md-primary-fg-color);
}

.md-typeset details.info[open]::before {
  opacity: 1;
}

/* 折叠标题 */
.md-typeset details.info summary {
  font-weight: 600;
  font-size: 1rem;
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  min-height: 56px;
  transition: all 0.2s var(--ease-out);
  position: relative;
}

.md-typeset details.info summary::-webkit-details-marker {
  display: none;
}

.md-typeset details.info summary::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--gradient-primary);
  border-radius: 50%;
  margin-right: var(--space-md);
  flex-shrink: 0;
  transition: transform 0.3s var(--ease-spring);
}

.md-typeset details.info[open] summary::before {
  transform: scale(1.2);
}

.md-typeset details.info summary:hover {
  background: linear-gradient(90deg, rgba(124, 58, 237, 0.05) 0%, transparent 100%);
}

/* 折叠内容 */
.md-typeset details.info[open] summary {
  border-bottom: 1px solid var(--glass-border);
}

.md-typeset details.info > *:not(summary) {
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.md-typeset details.info > summary + * {
  margin-top: 0;
  padding-top: var(--space-md);
}

.md-typeset details.info > *:last-child:not(summary) {
  margin-bottom: 0;
  padding-bottom: var(--space-lg);
}

/* ============================================
   标签页 (Tabs) 增强
   ============================================ */

.md-typeset .tabbed-labels {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  border-radius: var(--radius-lg) !important;
  padding: var(--space-xs) !important;
  box-shadow: var(--shadow-sm) !important;
  border: 1px solid var(--glass-border) !important;
  margin-bottom: var(--space-md) !important;
}

.md-typeset .tabbed-labels > label {
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all 0.3s var(--ease-out);
  cursor: pointer;
}

.md-typeset .tabbed-labels > label:hover {
  background: rgba(124, 58, 237, 0.08);
  color: var(--md-primary-fg-color);
}

.md-typeset .tabbed-labels > label:has(input:checked) {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.md-typeset .tabbed-content {
  padding: var(--space-lg) !important;
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  border-radius: var(--radius-lg) !important;
  border: 1px solid var(--glass-border) !important;
  box-shadow: var(--shadow-sm) !important;
}

/* ============================================
   链接样式增强
   ============================================ */

.md-content a {
  color: var(--md-primary-fg-color);
  text-decoration: none;
  position: relative;
  font-weight: 500;
  transition: color 0.2s var(--ease-out);
}

.md-content a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s var(--ease-out);
}

.md-content a:hover {
  color: var(--md-accent-fg-color);
}

.md-content a:hover::after {
  width: 100%;
}

/* 外部链接图标 */
.md-content a[href^="http"]::before {
  content: '↗';
  font-size: 0.75em;
  margin-right: 0.2em;
  opacity: 0.6;
}

/* 隐藏折叠块内外链图标 */
.md-typeset details.info a[href^="http"]::before {
  content: none;
}

/* ============================================
   按钮与交互元素
   ============================================ */

.md-content .md-button {
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-lg);
  font-weight: 600;
  color: white;
  box-shadow: var(--shadow-md);
  transition: all 0.3s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.md-content .md-button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.2) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s var(--ease-out);
}

.md-content .md-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-colored);
}

.md-content .md-button:hover::before {
  transform: translateX(100%);
}

/* ============================================
   代码块优化
   ============================================ */

.md-content pre {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--glass-border);
  margin: var(--space-lg) 0;
  overflow: hidden;
}

.md-content pre > code {
  display: block;
  padding: var(--space-lg);
}

.md-content code {
  border-radius: var(--radius-sm);
  padding: 0.2em 0.5em;
  font-size: 0.9em;
  background: rgba(124, 58, 237, 0.08);
  color: var(--md-primary-fg-color);
}

[data-md-color-scheme="slate"] .md-content code {
  background: rgba(167, 139, 250, 0.15);
}

/* ============================================
   表格美化
   ============================================ */

.md-content table {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--glass-border);
  margin: var(--space-xl) 0;
}

.md-content thead {
  background: var(--gradient-primary);
}

.md-content th {
  color: white;
  font-weight: 600;
  padding: var(--space-md) var(--space-lg);
  text-align: left;
}

.md-content td {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--glass-border);
  transition: background 0.2s var(--ease-out);
}

.md-content tbody tr:hover td {
  background: rgba(124, 58, 237, 0.05);
}

[data-md-color-scheme="slate"] .md-content tbody tr:hover td {
  background: rgba(167, 139, 250, 0.1);
}

/* ============================================
   导航栏增强
   ============================================ */

/* 顶部导航 */
.md-tabs {
  background: var(--gradient-primary) !important;
  box-shadow: var(--shadow-lg);
}

.md-tabs__link {
  font-weight: 500;
  opacity: 0.85;
  transition: all 0.3s var(--ease-out);
}

.md-tabs__link:hover,
.md-tabs__link--active {
  opacity: 1;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* 侧边栏 */
.md-nav__link {
  border-radius: var(--radius-sm);
  margin: 2px var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  transition: all 0.2s var(--ease-out);
}

.md-nav__link:hover {
  background: linear-gradient(90deg, rgba(124, 58, 237, 0.1) 0%, transparent 100%);
}

.md-nav__link--active {
  background: linear-gradient(90deg, rgba(124, 58, 237, 0.15) 0%, transparent 80%);
  font-weight: 600;
  border-left: 3px solid var(--md-primary-fg-color);
}

/* ============================================
   页面过渡动画
   ============================================ */

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* 内容淡入 */
.md-content__inner {
  animation: fadeSlideIn 0.5s var(--ease-out);
}

/* 卡片逐个淡入 */
.md-typeset .brief-kpi-grid > ul > li,
.md-typeset .brief-top-grid > ul > li {
  animation: fadeSlideIn 0.6s var(--ease-out) backwards;
}

.md-typeset .brief-kpi-grid > ul > li:nth-child(1) { animation-delay: 0.05s; }
.md-typeset .brief-kpi-grid > ul > li:nth-child(2) { animation-delay: 0.1s; }
.md-typeset .brief-kpi-grid > ul > li:nth-child(3) { animation-delay: 0.15s; }
.md-typeset .brief-kpi-grid > ul > li:nth-child(4) { animation-delay: 0.2s; }
.md-typeset .brief-kpi-grid > ul > li:nth-child(5) { animation-delay: 0.25s; }
.md-typeset .brief-kpi-grid > ul > li:nth-child(6) { animation-delay: 0.3s; }

.md-typeset .brief-top-grid > ul > li:nth-child(1) { animation-delay: 0.1s; }
.md-typeset .brief-top-grid > ul > li:nth-child(2) { animation-delay: 0.15s; }
.md-typeset .brief-top-grid > ul > li:nth-child(3) { animation-delay: 0.2s; }
.md-typeset .brief-top-grid > ul > li:nth-child(4) { animation-delay: 0.25s; }

/* 折叠块动画 */
.md-typeset details.info {
  animation: fadeSlideIn 0.5s var(--ease-out) backwards;
}

.md-typeset details.info:nth-of-type(1) { animation-delay: 0.1s; }
.md-typeset details.info:nth-of-type(2) { animation-delay: 0.15s; }
.md-typeset details.info:nth-of-type(3) { animation-delay: 0.2s; }
.md-typeset details.info:nth-of-type(4) { animation-delay: 0.25s; }
.md-typeset details.info:nth-of-type(5) { animation-delay: 0.3s; }

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   滚动条美化
   ============================================ */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--md-primary-fg-color) 0%, var(--md-accent-fg-color) 100%);
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
  border-width: 1px;
}

/* ============================================
   页脚
   ============================================ */

.md-footer {
  background: var(--gradient-dark);
  border-top: 1px solid var(--glass-border);
}

.md-footer-meta {
  background: transparent;
}

/* ============================================
   响应式设计
   ============================================ */

/* 平板设备 */
@media screen and (max-width: 76.1875em) {
  .md-content__inner {
    padding: var(--space-lg);
  }

  .md-content h1 {
    font-size: 1.875rem;
  }

  .md-typeset .brief-kpi-grid > ul {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }

  .md-typeset .brief-top-grid > ul {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  }
}

/* 移动设备 */
@media screen and (max-width: 44.9375em) {
  :root {
    --space-lg: 1rem;
    --space-xl: 1.5rem;
    --space-2xl: 2rem;
  }

  .md-content__inner {
    padding: var(--space-md);
  }

  .md-content h1 {
    font-size: 1.5rem;
  }

  .md-content h2 {
    font-size: 1.25rem;
  }

  .md-typeset .brief-kpi-grid > ul,
  .md-typeset .brief-top-grid > ul {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .md-typeset .brief-kpi-grid > ul > li,
  .md-typeset .brief-top-grid > ul > li {
    padding: var(--space-md);
  }

  /* 移动端卡片悬浮效果减弱 */
  .md-typeset .brief-kpi-grid > ul > li:hover,
  .md-typeset .brief-top-grid > ul > li:hover {
    transform: translateY(-2px);
  }

  /* 表格横向滚动 */
  .md-content table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .md-typeset details.info summary {
    padding: var(--space-md);
    min-height: 48px;
    font-size: 0.95rem;
  }
}

/* ============================================
   打印样式
   ============================================ */

@media print {
  .md-typeset .brief-kpi-grid > ul,
  .md-typeset .brief-top-grid > ul {
    grid-template-columns: repeat(2, 1fr);
  }

  .md-typeset details.info,
  .md-typeset .brief-kpi-grid > ul > li,
  .md-typeset .brief-top-grid > ul > li {
    box-shadow: none;
    border: 1px solid #ddd;
    backdrop-filter: none;
  }

  .md-content a[href^="http"]::before {
    content: ' (' attr(href) ') ';
    font-size: 0.8em;
    word-break: break-all;
  }
}

/* ============================================
   辅助功能
   ============================================ */

/* 焦点可见性 */
*:focus-visible {
  outline: 2px solid var(--md-primary-fg-color);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* 跳过导航 */
.skip-link {
  position: absolute;
  top: -50px;
  left: var(--space-md);
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-weight: 600;
  z-index: 1000;
  transition: top 0.3s var(--ease-out);
}

.skip-link:focus {
  top: var(--space-md);
}

/* ============================================
   特殊装饰效果
   ============================================ */

/* 首页特征区域高亮 */
.md-typeset .feature-highlight {
  position: relative;
  padding: var(--space-xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lg);
}

.md-typeset .feature-highlight::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s var(--ease-out);
}

.md-typeset .feature-highlight:hover::before {
  opacity: 0.1;
}

/* 徽章样式 */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}