/* ==========================================
   2026年中央一号文件政策解读 - 核心样式表
   UI风格：现代玻璃拟态 & 卡片式（Bento Grid）
   ========================================== */

/* 采用系统原生精致字体族，避免国外网络加载阻塞，保障首屏秒开 */


:root {
  /* 明亮模式设计系统变量 */
  --bg-primary: #f5f8f6;
  --bg-secondary: rgba(255, 255, 255, 0.75);
  --bg-tertiary: #ffffff;
  
  --accent-green: #10b981;
  --accent-green-rgb: 16, 185, 129;
  --accent-blue: #3b82f6;
  --accent-blue-rgb: 59, 130, 246;
  --accent-purple: #8b5cf6;
  
  --text-primary: #1f2937;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  
  --border-color: rgba(229, 231, 235, 0.6);
  --card-border: rgba(16, 185, 129, 0.15);
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.02);
  --glass-blur: 16px;
  
  --gradient-banner: linear-gradient(135deg, #e6f4ea 0%, #e0f2fe 100%);
  --gradient-text: linear-gradient(135deg, #047857 0%, #1d4ed8 100%);
}

[data-theme="dark"] {
  /* 暗黑模式设计系统变量 */
  --bg-primary: #090e16;
  --bg-secondary: rgba(17, 24, 39, 0.7);
  --bg-tertiary: #111827;
  
  --accent-green: #34d399;
  --accent-green-rgb: 52, 211, 153;
  --accent-blue: #60a5fa;
  --accent-blue-rgb: 96, 165, 250;
  --accent-purple: #a78bfa;
  
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --text-muted: #6b7280;
  
  --border-color: rgba(75, 85, 99, 0.4);
  --card-border: rgba(52, 211, 153, 0.1);
  --card-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
  
  --gradient-banner: linear-gradient(135deg, #062f1e 0%, #0c2340 100%);
  --gradient-text: linear-gradient(135deg, #34d399 0%, #60a5fa 100%);
}

/* 全局重置 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: background-color 0.4s ease, border-color 0.4s ease;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  padding-bottom: 80px;
  overflow-x: hidden;
}

/* 容器与网格 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 顶部导航与主题切换 */
.nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-color);
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-blue) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 20px;
  font-weight: bold;
}

.logo-text {
  font-family: 'Outfit', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.theme-toggle-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: 9999px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  font-size: 14px;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(var(--glass-blur));
}

.theme-toggle-btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent-green);
}

/* Banner 区域 */
.banner {
  margin: 40px 0;
  padding: 60px 40px;
  border-radius: 24px;
  background: var(--gradient-banner);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(var(--accent-green-rgb), 0.1) 0%, rgba(0,0,0,0) 70%);
  z-index: 1;
}

.banner-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.banner-tag {
  display: inline-block;
  background: linear-gradient(135deg, rgba(var(--accent-green-rgb), 0.15) 0%, rgba(var(--accent-blue-rgb), 0.15) 100%);
  color: var(--accent-green);
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 20px;
  border: 1px solid rgba(var(--accent-green-rgb), 0.2);
}

.banner-title {
  font-family: 'Outfit', sans-serif;
  font-size: 38px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.banner-desc {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 24px;
}

.banner-meta {
  display: flex;
  gap: 24px;
  font-size: 14px;
  color: var(--text-muted);
}

.banner-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 核心模块样式及间距 */
.section-title {
  font-family: 'Outfit', sans-serif;
  font-size: 28px;
  font-weight: 700;
  margin: 50px 0 24px 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 28px;
  background: linear-gradient(to bottom, var(--accent-green), var(--accent-blue));
  border-radius: 3px;
}

/* 框架对比模块 (2025 vs 2026) */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

.comparison-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 30px;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(var(--glass-blur));
  position: relative;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.comparison-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-green);
}

.card-year-tag {
  position: absolute;
  top: 24px;
  right: 30px;
  font-size: 36px;
  font-weight: 800;
  font-family: 'Outfit', sans-serif;
  color: rgba(var(--accent-green-rgb), 0.1);
}

.card-title-sub {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 8px;
}

.card-title-main {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.list-items {
  list-style: none;
}

.list-items li {
  margin-bottom: 16px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.list-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(var(--accent-green-rgb), 0.1);
  color: var(--accent-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  flex-shrink: 0;
  margin-top: 2px;
}

.list-text h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.list-text p {
  font-size: 13px;
  color: var(--text-secondary);
}

.evolution-line {
  grid-column: 1 / -1;
  background: linear-gradient(90deg, rgba(var(--accent-green-rgb), 0.05) 0%, rgba(var(--accent-blue-rgb), 0.05) 100%);
  border: 1px dashed var(--accent-green);
  padding: 20px;
  border-radius: 12px;
  text-align: center;
  font-weight: 600;
  color: var(--text-secondary);
}

/* 核心差异剖析（10大差异点）政策卡片列表（默认完全平铺展开） */
.policy-card-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.policy-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(var(--glass-blur));
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.policy-card:hover {
  border-color: rgba(var(--accent-green-rgb), 0.4);
  transform: translateY(-2px);
}

.policy-card-header {
  padding: 24px 30px;
  display: flex;
  align-items: center;
  background: linear-gradient(90deg, rgba(var(--accent-green-rgb), 0.03) 0%, rgba(var(--accent-blue-rgb), 0.03) 100%);
  border-bottom: 1px solid var(--border-color);
}

.policy-card-title-wrapper {
  display: flex;
  align-items: center;
  gap: 16px;
}

.policy-card-number {
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  font-weight: 800;
  color: var(--accent-blue);
  background: rgba(var(--accent-blue-rgb), 0.1);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.policy-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.policy-card-content {
  padding: 28px 30px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.comparison-box {
  background: var(--bg-tertiary);
  padding: 24px;
  border-radius: 14px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.01);
}

.comparison-box.new-policy {
  border-left: 4px solid var(--accent-green);
}

.comparison-box.old-policy {
  border-left: 4px solid var(--text-muted);
}

.box-tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}

.new-policy .box-tag {
  color: var(--accent-green);
}

.old-policy .box-tag {
  color: var(--text-muted);
}

.box-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.box-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.deep-dive {
  grid-column: 1 / -1;
  background: rgba(var(--accent-blue-rgb), 0.03);
  border: 1px solid rgba(var(--accent-blue-rgb), 0.1);
  padding: 24px;
  border-radius: 14px;
}

.deep-dive h5 {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.deep-dive p {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* 三支一扶备考 Bento Grid 模块 */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 220px;
  gap: 20px;
  margin-bottom: 40px;
}

.bento-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(var(--glass-blur));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  position: relative;
}

.bento-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
}

.bento-item.blue::before { background: var(--accent-blue); }
.bento-item.green::before { background: var(--accent-green); }
.bento-item.purple::before { background: var(--accent-purple); }

.bento-item.large {
  grid-column: span 2;
  grid-row: span 2;
}

.bento-item.tall {
  grid-row: span 2;
}

.bento-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.bento-icon {
  font-size: 24px;
}

.bento-tag {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 9999px;
}

.bento-item.blue .bento-tag { background: rgba(var(--accent-blue-rgb), 0.1); color: var(--accent-blue); }
.bento-item.green .bento-tag { background: rgba(var(--accent-green-rgb), 0.1); color: var(--accent-green); }

.bento-title {
  font-size: 18px;
  font-weight: 700;
  margin-top: 16px;
  line-height: 1.4;
}

.bento-content {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 10px;
  flex-grow: 1;
}

/* 考试客观题平铺刷题列表（清爽平铺，去掉嵌套框框） */
.quiz-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: 20px;
}

.quiz-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 30px;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(var(--glass-blur));
}

.quiz-q-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.quiz-q-num {
  background: var(--accent-purple);
  color: white;
  font-family: 'Outfit', sans-serif;
  font-size: 12px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
  text-transform: uppercase;
  flex-shrink: 0;
  margin-top: 2px;
}

.quiz-options-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quiz-opt-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 14px 20px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 14px;
  text-align: left;
  color: var(--text-primary);
  width: 100%;
  font-family: inherit;
  transition: border-color 0.25s ease, background-color 0.25s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.quiz-opt-btn:hover {
  border-color: var(--accent-blue);
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, rgba(var(--accent-blue-rgb), 0.02) 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}

.quiz-opt-btn.correct {
  border-color: var(--accent-green) !important;
  background-color: rgba(16, 185, 129, 0.05) !important;
  color: var(--accent-green) !important;
  font-weight: 600;
  box-shadow: none;
}

.quiz-opt-btn.incorrect {
  border-color: #ef4444 !important;
  background-color: rgba(239, 68, 68, 0.05) !important;
  color: #ef4444 !important;
  box-shadow: none;
}

.quiz-exp-box {
  font-size: 13.5px;
  color: var(--text-secondary);
  margin-top: 20px;
  padding: 20px;
  border-radius: 12px;
  background: rgba(var(--accent-blue-rgb), 0.03);
  border: 1px dashed rgba(var(--accent-blue-rgb), 0.2);
  line-height: 1.6;
  display: none;
  animation: fadeIn 0.4s ease;
}

/* 数据统计高亮图表卡片 */
.stat-box {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-top: 12px;
}

.stat-number {
  font-family: 'Outfit', sans-serif;
  font-size: 32px;
  font-weight: 800;
  color: var(--accent-green);
}

.stat-desc {
  font-size: 13px;
  color: var(--text-secondary);
}

/* 全文阅读 & 下载区 */
.download-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 40px;
}

.download-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(var(--glass-blur));
  text-decoration: none;
  color: inherit;
}

.download-card:hover {
  border-color: var(--accent-green);
  transform: translateY(-2px);
}

.download-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.download-file-icon {
  font-size: 28px;
  color: var(--accent-purple);
}

.download-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}

.download-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.download-btn {
  background: rgba(var(--accent-green-rgb), 0.1);
  color: var(--accent-green);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.download-card:hover .download-btn {
  background: var(--accent-green);
  color: white;
}

/* 底部声明 */
.footer-text {
  text-align: center;
  margin-top: 60px;
  font-size: 12px;
  color: var(--text-muted);
}

/* 响应式设计适配 */
@media screen and (max-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 240px;
  }
  .bento-item.large {
    grid-column: span 2;
  }
}

@media screen and (max-width: 768px) {
  .comparison-grid, .download-section, .accordion-content-inner {
    grid-template-columns: 1fr;
  }
  
  .bento-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }
  
  .bento-item.large, .bento-item.tall {
    grid-column: span 1;
    grid-row: span 1;
  }
  
  .banner {
    padding: 40px 24px;
  }
  
  .banner-title {
    font-size: 28px;
  }
}