/* 全局样式 - UI Style 7 - 深蓝现代风格 */:root{--primary-bg:#1a2332;--secondary-bg:#243447;--accent-blue:#3b82f6;--accent-yellow:#fbbf24;--text-primary:#ffffff;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--border-color:#334155;--hover-bg:#2d3f54;--card-bg:#1e293b;--transition:all 0.3s ease;}*{margin:0;padding:0;box-sizing:border-box;}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,"Noto Sans",sans-serif;background-color:var(--primary-bg);color:var(--text-primary);line-height:1.5;font-size:16px;}a{color:var(--accent-blue);text-decoration:none;transition:var(--transition);}a:hover{color:var(--accent-yellow);}/* 页眉导航 */.site-header{background-color:var(--secondary-bg);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:1000;box-shadow:0 2px 8px rgba(0,0,0,0.3);}.header-container{max-width:1400px;margin:0 auto;padding:0 16px;display:flex;justify-content:space-between;align-items:center;height:64px;}.logo{font-size:24px;font-weight:700;color:var(--text-primary);text-decoration:none;display:flex;align-items:center;}.logo:hover{color:var(--accent-blue);}.main-nav{display:flex;align-items:center;gap:8px;flex:1;justify-content:flex-end;flex-wrap:nowrap;}.main-nav a{padding:8px 16px;border-radius:6px;transition:var(--transition);white-space:nowrap;color:var(--text-secondary);}.main-nav a:hover,.main-nav a.active{background-color:var(--hover-bg);color:var(--accent-blue);}/* 移动端导航 */@media (max-width:767px){.header-container{height:56px;padding:0 8px;}.logo{font-size:18px;flex-shrink:0;}.main-nav{flex:1;min-width:0;justify-content:space-between;gap:0;margin-left:8px;}.main-nav a{flex:1 1 0;min-width:0;text-align:center;padding:6px 4px;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}}/* 面包屑 */.breadcrumb{max-width:1400px;margin:0 auto;padding:16px;font-size:14px;color:var(--text-muted);}.breadcrumb a{color:var(--text-secondary);}.breadcrumb span{margin:0 8px;}/* 主内容区 */.main-content{max-width:1400px;margin:0 auto;padding:24px 16px;}/* Layout D - 杂志分栏 */.magazine-layout{display:grid;grid-template-columns:1fr 320px;gap:32px;align-items:start;}@media (max-width:1024px){.magazine-layout{grid-template-columns:1fr;}}.primary-column{min-width:0;}.sidebar-column{position:sticky;top:80px;}/* 页面标题 */.page-title{font-size:32px;font-weight:700;margin-bottom:16px;line-height:1.2;}.page-description{font-size:16px;color:var(--text-secondary);margin-bottom:32px;line-height:1.5;}/* Section模块 */.content-section{margin-bottom:48px;}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:12px;border-bottom:2px solid var(--accent-blue);}.section-title{font-size:24px;font-weight:600;color:var(--text-primary);}.section-more{font-size:14px;color:var(--accent-blue);display:flex;align-items:center;gap:4px;}.section-more:hover{color:var(--accent-yellow);}/* 卡片网格 */.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;}@media (max-width:640px){.cards-grid{grid-template-columns:1fr;}}/* 卡片样式 */.video-card{background-color:var(--card-bg);border-radius:12px;padding:20px;transition:var(--transition);border:1px solid var(--border-color);display:flex;flex-direction:column;gap:12px;}.video-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(59,130,246,0.15);border-color:var(--accent-blue);}.card-title{font-size:18px;font-weight:600;color:var(--text-primary);line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}.card-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-muted);}.card-meta span{padding:2px 8px;background-color:var(--secondary-bg);border-radius:4px;}.card-oneline{font-size:14px;color:var(--text-secondary);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}.card-excerpt{font-size:14px;color:var(--text-muted);line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}.card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px;}.tag{font-size:12px;padding:3px 10px;background-color:rgba(59,130,246,0.15);color:var(--accent-blue);border-radius:12px;border:1px solid rgba(59,130,246,0.3);}/* 详情页特定样式 */.detail-header{margin-bottom:32px;padding-bottom:24px;border-bottom:2px solid var(--border-color);}.detail-title{font-size:36px;font-weight:700;margin-bottom:16px;line-height:1.2;}.detail-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:15px;color:var(--text-secondary);margin-bottom:16px;}.detail-meta-item{display:flex;align-items:center;gap:6px;}.detail-meta-label{color:var(--text-muted);}.detail-content{margin-bottom:32px;}.content-block{margin-bottom:32px;}.content-block-title{font-size:22px;font-weight:600;margin-bottom:16px;color:var(--accent-blue);}.content-block-text{font-size:16px;line-height:1.6;color:var(--text-secondary);}.oneline-highlight{font-size:18px;font-weight:500;color:var(--accent-yellow);padding:16px;background-color:var(--secondary-bg);border-left:4px solid var(--accent-yellow);border-radius:6px;margin:24px 0;}/* 相关推荐 */.related-section{margin-top:48px;padding-top:32px;border-top:2px solid var(--border-color);}/* 列表页样式 */.list-intro{background-color:var(--card-bg);padding:24px;border-radius:12px;margin-bottom:32px;border:1px solid var(--border-color);}.list-intro p{line-height:1.6;color:var(--text-secondary);margin-bottom:12px;}.list-intro-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px;}.list-intro-links a{padding:6px 16px;background-color:var(--secondary-bg);border-radius:6px;font-size:14px;border:1px solid var(--border-color);}.list-intro-links a:hover{background-color:var(--hover-bg);border-color:var(--accent-blue);}/* 资料暂缺页 */.unavailable-notice{text-align:center;padding:64px 24px;}.unavailable-notice h1{font-size:32px;margin-bottom:16px;color:var(--text-muted);}.unavailable-notice p{font-size:16px;color:var(--text-secondary);margin-bottom:32px;}.unavailable-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}.btn{padding:12px 32px;background-color:var(--accent-blue);color:var(--text-primary);border-radius:8px;font-size:16px;font-weight:500;border:none;cursor:pointer;transition:var(--transition);display:inline-block;}.btn:hover{background-color:var(--accent-yellow);transform:translateY(-2px);box-shadow:0 4px 12px rgba(251,191,36,0.3);}/* 页脚 */.site-footer{background-color:var(--secondary-bg);border-top:1px solid var(--border-color);margin-top:64px;padding:32px 16px;text-align:center;color:var(--text-muted);font-size:14px;}/* 返回顶部按钮 */.back-to-top{position:fixed;bottom:32px;right:32px;width:48px;height:48px;background-color:var(--accent-blue);color:var(--text-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transition:var(--transition);box-shadow:0 4px 12px rgba(0,0,0,0.3);z-index:999;}.back-to-top.visible{opacity:1;visibility:visible;}.back-to-top:hover{background-color:var(--accent-yellow);transform:translateY(-4px);}/* 侧边栏组件 */.sidebar-widget{background-color:var(--card-bg);border-radius:12px;padding:20px;margin-bottom:24px;border:1px solid var(--border-color);}.widget-title{font-size:18px;font-weight:600;margin-bottom:16px;color:var(--text-primary);border-bottom:2px solid var(--accent-blue);padding-bottom:8px;}.widget-list{list-style:none;}.widget-list li{margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid var(--border-color);}.widget-list li:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none;}.widget-list a{color:var(--text-secondary);display:block;transition:var(--transition);}.widget-list a:hover{color:var(--accent-blue);padding-left:8px;}/* 响应式调整 */@media (max-width:1024px){.page-title{font-size:28px;}.detail-title{font-size:30px;}.sidebar-column{position:static;}}@media (max-width:640px){.main-content{padding:16px 12px;}.page-title{font-size:24px;}.detail-title{font-size:26px;}.cards-grid{gap:16px;}.back-to-top{bottom:16px;right:16px;width:40px;height:40px;}}