/* AI Pulse - macOS 26 极简美学 + AI Native Search V2 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary: #f2f2f7;
  --bg-card: rgba(255, 255, 255, 0.65);
  --bg-card-hover: rgba(255, 255, 255, 0.85);
  --bg-glass-ultra: rgba(255, 255, 255, 0.5);
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #aeaeb2;
  --border-color: rgba(0, 0, 0, 0.06);
  --border-color-light: rgba(255, 255, 255, 0.5);
  --shadow-float: 0 2px 4px rgba(0,0,0,0.02), 0 8px 16px rgba(0,0,0,0.04), 0 16px 32px rgba(0,0,0,0.06);
  --shadow-float-hover: 0 4px 8px rgba(0,0,0,0.03), 0 12px 24px rgba(0,0,0,0.06), 0 24px 48px rgba(0,0,0,0.08);
  --shadow-search: 0 2px 8px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.06), 0 24px 48px rgba(0,0,0,0.08);
  --shadow-inset: inset 0 1px 0 rgba(255,255,255,0.8);
  --accent-color: #007aff;
  --accent-light: rgba(0, 122, 255, 0.1);
  --accent-gradient: linear-gradient(135deg, #007aff 0%, #5856d6 50%, #af52de 100%);
  --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', 'PingFang SC', sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #1c1c1e;
    --bg-card: rgba(44, 44, 46, 0.65);
    --bg-card-hover: rgba(58, 58, 60, 0.8);
    --bg-glass-ultra: rgba(44, 44, 46, 0.6);
    --text-primary: #f5f5f7;
    --text-secondary: #98989d;
    --text-tertiary: #636366;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-light: rgba(255, 255, 255, 0.1);
    --shadow-float: 0 2px 4px rgba(0,0,0,0.1), 0 8px 16px rgba(0,0,0,0.2), 0 16px 32px rgba(0,0,0,0.3);
    --shadow-float-hover: 0 4px 8px rgba(0,0,0,0.15), 0 12px 24px rgba(0,0,0,0.25), 0 24px 48px rgba(0,0,0,0.35);
    --shadow-search: 0 2px 8px rgba(0,0,0,0.15), 0 8px 24px rgba(0,0,0,0.25), 0 24px 48px rgba(0,0,0,0.35);
    --shadow-inset: inset 0 1px 0 rgba(255,255,255,0.05);
    --accent-color: #0a84ff;
    --accent-light: rgba(10, 132, 255, 0.15);
  }
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

/* 毛玻璃悬浮卡片 */
.glass {
  background: var(--bg-card);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  border: 1px solid var(--border-color-light);
  border-radius: 20px;
  box-shadow: var(--shadow-float), var(--shadow-inset);
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transform: translateY(0) scale(1);
}

.glass:hover {
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-float-hover), var(--shadow-inset);
  transform: translateY(-4px) scale(1.01);
}

/* 侧边栏 */
.sidebar {
  position: fixed; left: 0; top: 0; width: 280px; height: 100vh;
  background: var(--bg-card);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  border-right: 1px solid var(--border-color);
  overflow-y: auto; z-index: 100; padding: 24px 20px;
}

.sidebar-logo { margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--border-color); }
.sidebar-logo h1 { display: flex; align-items: center; font-size: 22px; font-weight: 700; }
.sidebar-logo p { color: var(--text-secondary); margin-top: 6px; font-size: 13px; }

@media (max-width: 1023px) { .sidebar { display: none; } }

/* 移动端头部 */
.mobile-header {
  position: fixed; top: 0; left: 0; right: 0; height: 56px;
  background: var(--bg-card); backdrop-filter: blur(40px) saturate(180%);
  border-bottom: 1px solid var(--border-color); z-index: 50;
  display: none; align-items: center; justify-content: space-between; padding: 0 16px;
}
@media (max-width: 1023px) { .mobile-header { display: flex; } }

.hamburger-btn {
  width: 40px; height: 40px; border: none; background: transparent;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  border-radius: 10px; color: var(--text-primary); transition: background 0.2s;
}
.hamburger-btn:hover { background: var(--accent-light); }

/* 日历 */
.calendar-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; gap: 8px; }
.calendar-nav-btn { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: 8px; color: var(--text-secondary); background: transparent; border: none; cursor: pointer; transition: all 0.15s; }
.calendar-nav-btn:hover { background: var(--accent-light); color: var(--accent-color); }
.calendar-month-name { font-size: 15px; font-weight: 600; color: var(--text-primary); flex: 1; text-align: center; }
.calendar-today-btn { padding: 6px 12px; font-size: 13px; font-weight: 500; border-radius: 8px; color: var(--accent-color); background: transparent; border: none; cursor: pointer; transition: all 0.15s; }
.calendar-today-btn:hover { background: var(--accent-light); }
.calendar-weekdays { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; margin-bottom: 8px; text-align: center; font-size: 12px; font-weight: 500; color: var(--text-tertiary); }
.calendar-weekdays > div { padding: 6px 0; }
.calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; }
.calendar-day-empty { height: 36px; }
.calendar-day { position: relative; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: 8px; cursor: pointer; font-size: 14px; font-weight: 500; color: var(--text-secondary); transition: all 0.15s; }
.calendar-day:hover { background: var(--accent-light); color: var(--text-primary); }
.calendar-day.has-articles { color: var(--text-primary); font-weight: 600; }
.calendar-day.has-articles::after { content: ''; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%); width: 4px; height: 4px; background: var(--accent-color); border-radius: 50%; }
.calendar-day.today { background: var(--accent-light); color: var(--accent-color); }
.calendar-day.selected { background: var(--accent-color); color: white; }
.calendar-day.selected::after { background: white; }

/* 全部历史按钮 */
.all-history-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  margin-top: 16px;
  padding: 10px 16px;
  background: transparent;
  border: 1px dashed var(--border-color);
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.all-history-btn:hover {
  background: var(--accent-light);
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.all-history-btn.active {
  background: var(--accent-color);
  border-color: var(--accent-color);
  border-style: solid;
  color: white;
}

.all-history-btn i {
  font-size: 12px;
}

/* 主内容 */
.main-content { margin-left: 280px; min-height: 100vh; padding-top: 24px; }
@media (max-width: 1023px) { .main-content { margin-left: 0; padding-top: 72px; } }

/* ==================== 搜索区域 ==================== */
.search-section {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 0 8px;
}

/* 内容区域顶部留白，防止被冻结导航栏遮挡 */
#summary-section {
  padding-top: 8px;
}

/* ==================== PM视角：统一标签筛选栏 ==================== */
.tag-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.tag-filter-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 20px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  overflow: hidden;
}

@media (prefers-color-scheme: dark) {
  .tag-filter-btn {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.1);
  }
}

.tag-filter-btn:hover {
  background: rgba(255, 255, 255, 0.85);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

@media (prefers-color-scheme: dark) {
  .tag-filter-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  }
}

/* 选中状态 + 发光呼吸效果 */
.tag-filter-btn.active {
  color: var(--tag-color, #007AFF);
  background: color-mix(in srgb, var(--tag-color, #007AFF) 12%, transparent);
  border-color: color-mix(in srgb, var(--tag-color, #007AFF) 30%, transparent);
  font-weight: 600;
}

.tag-filter-btn.active.glow {
  animation: tagGlow 2s ease-in-out infinite;
  box-shadow: 0 0 20px color-mix(in srgb, var(--tag-color, #007AFF) 40%, transparent);
}

@keyframes tagGlow {
  0%, 100% {
    box-shadow: 0 0 15px color-mix(in srgb, var(--tag-color, #007AFF) 30%, transparent);
  }
  50% {
    box-shadow: 0 0 25px color-mix(in srgb, var(--tag-color, #007AFF) 50%, transparent);
  }
}

/* 全部按钮特殊样式 */
.tag-filter-btn[data-tag="all"] {
  --tag-color: #007AFF;
}

/* 资讯卡片中的统一标签样式 */
.unified-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
  margin-right: 6px;
  transition: all 0.15s;
}

.unified-tag:hover {
  transform: scale(1.05);
  filter: brightness(0.95);
}

/* 搜索框包装器 */
.search-wrapper {
  position: relative;
}

/* 搜索框主体 */
.search-box-v4 {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  padding: 8px 10px 8px 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: all 0.25s;
}

@media (prefers-color-scheme: dark) {
  .search-box-v4 {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  }
}

.search-box-v4:focus-within {
  border-color: var(--accent-color);
  box-shadow: 0 4px 24px rgba(0, 122, 255, 0.12);
}

.search-box-v4 .search-icon {
  color: var(--text-tertiary);
  font-size: 15px;
  flex-shrink: 0;
}

.search-box-v4 .search-input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 8px 0;
  font-size: 15px;
  color: var(--text-primary);
  outline: none;
  font-weight: 400;
  min-width: 0;
}

.search-box-v4 .search-input::placeholder {
  color: var(--text-tertiary);
  font-weight: 300;
  opacity: 0.7;
}

/* 模式切换按钮 */
.mode-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(0, 122, 255, 0.08);
  border: 1px solid rgba(0, 122, 255, 0.12);
  border-radius: 18px;
  color: var(--accent-color);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}

.mode-switcher:hover {
  background: rgba(0, 122, 255, 0.15);
}

.mode-switcher #mode-icon {
  font-size: 14px;
}

.mode-switcher #mode-label {
  font-weight: 600;
}

.mode-switcher i.fa-chevron-down {
  font-size: 10px;
  opacity: 0.6;
  transition: transform 0.2s;
}

.mode-switcher.open i.fa-chevron-down {
  transform: rotate(180deg);
}

/* 搜索按钮 */
.search-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-color);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}

.search-btn:hover {
  background: #0066d6;
  transform: scale(1.05);
}

/* 模式下拉菜单 - 独立定位 */
.mode-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-card);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  padding: 8px;
  min-width: 220px;
  display: none;
  z-index: 9999;
  animation: dropdownFadeIn 0.2s ease-out;
}

@keyframes dropdownFadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.mode-dropdown.show {
  display: block;
}

.mode-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.15s;
}

.mode-option:hover {
  background: var(--accent-light);
}

.mode-option.active {
  background: rgba(0, 122, 255, 0.1);
}

.mode-option .mode-emoji {
  font-size: 20px;
}

.mode-option .mode-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mode-option .mode-info strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.mode-option .mode-info small {
  font-size: 11px;
  color: var(--text-tertiary);
}

/* 搜索结果区域 */
.search-results {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  right: 0;
  z-index: 1000;
  display: none;
  max-height: 70vh;
  overflow: hidden;
  background: var(--bg-card);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
  animation: resultsSlideDown 0.25s ease-out;
}

@keyframes resultsSlideDown {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}

.search-results.show {
  display: block;
}

/* 移动端响应式 */
@media (max-width: 768px) {
  .top-section { padding: 0 16px 20px; }
  .filter-tags-bar { gap: 8px; margin-bottom: 12px; }
  .filter-tag { padding: 6px 12px; font-size: 12px; }
  .search-box-v4 { padding: 6px 8px 6px 16px; }
  .search-box-v4 .search-input { font-size: 14px; }
  .mode-switcher { padding: 5px 10px; }
  .mode-switcher #mode-label { display: none; }
  .search-btn { width: 34px; height: 34px; }
}

/* ==================== 搜索结果区域 V2 ==================== */
.search-results-v2 {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  right: 0;
  z-index: 1000;
  display: none;
  max-height: 75vh;
  overflow: hidden;
}

.search-results-v2.show {
  display: block;
}

.glass-results-v2 {
  background: var(--bg-glass-ultra);
  backdrop-filter: blur(80px) saturate(200%);
  -webkit-backdrop-filter: blur(80px) saturate(200%);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  box-shadow: var(--shadow-float-hover), 
              inset 0 1px 0 rgba(255, 255, 255, 0.3),
              0 0 80px rgba(0, 122, 255, 0.06);
  animation: resultsSlideIn 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  overflow: hidden;
}

@media (prefers-color-scheme: dark) {
  .glass-results-v2 {
    border-color: rgba(255, 255, 255, 0.1);
  }
}

@keyframes resultsSlideIn {
  from { opacity: 0; transform: translateY(-10px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ==================== AI 加载动画 - 进度条版 ==================== */
.ai-search-loading-v2 {
  padding: 48px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

/* 进度条动效 */
.progress-bar-container {
  width: 100%;
  max-width: 300px;
  height: 4px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

@media (prefers-color-scheme: dark) {
  .progress-bar-container { background: rgba(255, 255, 255, 0.1); }
}

.progress-bar {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 2px;
  animation: progressFlow 2s ease-in-out infinite;
}

@keyframes progressFlow {
  0% { width: 0%; margin-left: 0; }
  50% { width: 60%; margin-left: 20%; }
  100% { width: 0%; margin-left: 100%; }
}

/* 呼吸光晕（缩小版） */
.ai-orb-mini {
  position: relative;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orb-core-mini {
  width: 16px;
  height: 16px;
  background: var(--accent-gradient);
  border-radius: 50%;
  animation: orbPulseMini 1.5s ease-in-out infinite;
  box-shadow: 0 0 20px rgba(0, 122, 255, 0.4);
}

@keyframes orbPulseMini {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.7; }
}

.orb-ring-mini {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid transparent;
  animation: ringExpandMini 2s ease-out infinite;
}

.ring-mini-1 { width: 28px; height: 28px; border-color: rgba(0, 122, 255, 0.35); animation-delay: 0s; }
.ring-mini-2 { width: 40px; height: 40px; border-color: rgba(88, 86, 214, 0.25); animation-delay: 0.4s; }

@keyframes ringExpandMini {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(1.4); opacity: 0; }
}

.loading-text-v2 {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}

.loading-title-v2 {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.loading-query-v2 {
  font-size: 13px;
  color: var(--accent-color);
  font-weight: 500;
}

/* ==================== 智能检索结果 V2 ==================== */
.smart-result-v2 {
  max-height: calc(75vh - 40px);
  overflow-y: auto;
}

.synthesis-section-v2 {
  padding: 28px;
}

.synthesis-header-v2 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.synthesis-header-v2 i {
  font-size: 20px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.synthesis-header-v2 span {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
}

.synthesis-content-v2 {
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-secondary);
}

.synthesis-content-v2 strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Markdown 链接样式 - 强制蓝色可点击 */
.synthesis-content-v2 a,
.synthesis-content-v2 a.synthesis-link,
a.synthesis-link {
  color: #007AFF !important;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.15s;
  cursor: pointer;
  border-bottom: 1px solid rgba(0, 122, 255, 0.3);
  padding-bottom: 1px;
}

.synthesis-content-v2 a:hover,
.synthesis-content-v2 a.synthesis-link:hover,
a.synthesis-link:hover {
  color: #0056b3 !important;
  text-decoration: none;
  border-bottom-color: #007AFF;
  background: rgba(0, 122, 255, 0.08);
  border-radius: 2px;
}

/* 深色模式链接 */
@media (prefers-color-scheme: dark) {
  .synthesis-content-v2 a,
  .synthesis-content-v2 a.synthesis-link,
  a.synthesis-link {
    color: #0A84FF !important;
    border-bottom-color: rgba(10, 132, 255, 0.4);
  }
  
  .synthesis-content-v2 a:hover,
  .synthesis-content-v2 a.synthesis-link:hover,
  a.synthesis-link:hover {
    color: #5AC8FA !important;
    background: rgba(10, 132, 255, 0.15);
  }
}

/* 时间线标记 */
.synthesis-content-v2 .timeline-date {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent-color);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  margin: 8px 0 4px 0;
}

/* 展开相关资讯按钮 */
.expand-articles-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px;
  background: rgba(0, 0, 0, 0.03);
  border: none;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

@media (prefers-color-scheme: dark) {
  .expand-articles-btn { background: rgba(255, 255, 255, 0.04); }
}

.expand-articles-btn:hover {
  background: var(--accent-light);
  color: var(--accent-color);
}

.expand-articles-btn i {
  transition: transform 0.2s;
}

.expand-articles-btn.expanded i {
  transform: rotate(180deg);
}

/* 相关资讯列表（默认隐藏） */
.related-articles-v2 {
  display: none;
  padding: 20px 28px 28px;
  border-top: 1px solid var(--border-color);
  animation: fadeInArticles 0.3s ease-out;
}

.related-articles-v2.show {
  display: block;
}

@keyframes fadeInArticles {
  from { opacity: 0; }
  to { opacity: 1; }
}

.related-header-v2 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.related-header-v2 i {
  color: var(--text-tertiary);
}

.related-grid-v2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

@media (max-width: 640px) {
  .related-grid-v2 { grid-template-columns: 1fr; }
}

.related-card-v2 {
  padding: 14px;
  background: rgba(0, 0, 0, 0.03);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid transparent;
}

@media (prefers-color-scheme: dark) {
  .related-card-v2 { background: rgba(255, 255, 255, 0.05); }
}

.related-card-v2:hover {
  background: var(--accent-light);
  border-color: var(--accent-color);
  transform: translateY(-2px);
}

.related-card-source {
  font-size: 11px;
  font-weight: 500;
  color: var(--accent-color);
  margin-bottom: 4px;
}

.related-card-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 6px;
}

.related-card-date {
  font-size: 11px;
  color: var(--text-tertiary);
}

/* 普通搜索结果 */
.normal-results-v2 {
  padding: 8px 0;
  max-height: calc(75vh - 40px);
  overflow-y: auto;
}

.results-header-v2 {
  padding: 12px 24px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-tertiary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

.result-item-v2 {
  padding: 16px 24px;
  cursor: pointer;
  transition: all 0.15s;
  border-bottom: 1px solid rgba(0, 0, 0, 0.03);
}

.result-item-v2:last-child { border-bottom: none; }
.result-item-v2:hover { background: var(--accent-light); }
.result-item-v2 h4 { font-size: 14px; font-weight: 500; color: var(--text-primary); margin-bottom: 6px; }
.result-item-v2 p { font-size: 13px; color: var(--text-secondary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 6px; }

.result-meta-v2 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  color: var(--text-tertiary);
}

.result-source-v2 { font-weight: 500; }

/* 无结果状态 */
.no-results-v2 {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
}

.no-results-v2 i {
  font-size: 40px;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

.no-results-v2 p {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.no-results-v2 span {
  font-size: 13px;
  color: var(--text-tertiary);
}

/* ==================== 空状态处理 ==================== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  text-align: center;
  grid-column: 1 / -1; /* 占满整个网格 */
}

.empty-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-light);
  border-radius: 50%;
  margin-bottom: 24px;
}

.empty-icon i {
  font-size: 32px;
  color: var(--accent-color);
  opacity: 0.6;
}

.empty-message {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.empty-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--accent-color);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.empty-action-btn:hover {
  background: #0056b3;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.empty-action-btn i {
  font-size: 14px;
}

/* ==================== 原有样式 ==================== */

/* 文章卡片网格 */
.masonry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding: 0 24px 24px; max-width: 1400px; margin: 0 auto; }
@media (max-width: 1200px) { .masonry-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .masonry-grid { grid-template-columns: 1fr; padding: 0 16px 16px; } }

/* 文章卡片 */
.article-card { padding: 20px; display: flex; flex-direction: column; position: relative; overflow: hidden; }
.article-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent); }
.article-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.article-date { font-size: 12px; color: var(--text-tertiary); }
.article-title { font-size: 16px; font-weight: 600; line-height: 1.5; color: var(--text-primary); margin-bottom: 12px; }
.article-title-link { color: var(--text-primary); text-decoration: none; display: inline-flex; align-items: flex-start; gap: 6px; transition: color 0.15s; }
.article-title-link:hover { color: var(--accent-color); }
.article-title-icon { font-size: 11px; color: var(--text-tertiary); flex-shrink: 0; margin-top: 4px; transition: color 0.15s; }
.article-title-link:hover .article-title-icon { color: var(--accent-color); }
.article-content { flex: 1; }
.article-content p { font-size: 14px; line-height: 1.75; color: var(--text-secondary); }
.article-content.loading-state p { color: var(--text-tertiary); font-style: italic; }
.article-content.loading-state i { margin-right: 8px; color: var(--accent-color); }
.article-footer { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
/* ==================== 五维标签分类颜色体系 ==================== */
.category-tag { 
  display: inline-flex; 
  align-items: center; 
  font-size: 11px; 
  font-weight: 500; 
  padding: 4px 10px; 
  border-radius: 20px; 
  background: var(--accent-light); 
  color: var(--accent-color); 
  transition: all 0.2s; 
}
.category-tag:hover { transform: scale(1.05); }

/* 【核心技术】- 淡蓝色系 (#007AFF) */
.category-tag.tag-tech { 
  background: rgba(0, 122, 255, 0.1); 
  color: #007AFF; 
}

/* 【开发工具】- 淡绿色系 (#34C759) */
.category-tag.tag-dev { 
  background: rgba(52, 199, 89, 0.1); 
  color: #34C759; 
}

/* 【产品应用】- 淡橙色系 (#FF9500) */
.category-tag.tag-product { 
  background: rgba(255, 149, 0, 0.1); 
  color: #FF9500; 
}

/* 【行业商业】- 淡紫色系 (#AF52DE) */
.category-tag.tag-business { 
  background: rgba(175, 82, 222, 0.1); 
  color: #AF52DE; 
}

/* 【大厂动态】- 淡红色系 (#FF3B30) */
.category-tag.tag-giants { 
  background: rgba(255, 59, 48, 0.1); 
  color: #FF3B30; 
}

/* 默认标签 */
.category-tag.tag-default { 
  background: rgba(142, 142, 147, 0.1); 
  color: #8E8E93; 
}

/* 暗色模式适配 */
@media (prefers-color-scheme: dark) {
  .category-tag.tag-tech { background: rgba(10, 132, 255, 0.2); color: #0A84FF; }
  .category-tag.tag-dev { background: rgba(48, 209, 88, 0.2); color: #30D158; }
  .category-tag.tag-product { background: rgba(255, 159, 10, 0.2); color: #FF9F0A; }
  .category-tag.tag-business { background: rgba(191, 90, 242, 0.2); color: #BF5AF2; }
  .category-tag.tag-giants { background: rgba(255, 69, 58, 0.2); color: #FF453A; }
  .category-tag.tag-default { background: rgba(152, 152, 157, 0.2); color: #98989D; }
}

/* 今日观察 */
.summary-section { padding: 0 24px 4px; max-width: 1400px; margin: 0 auto; }
@media (max-width: 768px) { .summary-section { padding: 0 16px 4px; } }
.summary-card { background: var(--bg-card); backdrop-filter: blur(40px) saturate(180%); border: 1px solid var(--border-color); border-radius: 20px; padding: 24px; margin-bottom: 20px; box-shadow: var(--shadow-float), var(--shadow-inset); }
.summary-card .summary-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.summary-card .summary-icon { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--accent-color), #5856d6); border-radius: 12px; color: white; font-size: 20px; }
.summary-card .summary-title { font-size: 16px; font-weight: 600; color: var(--text-primary); }
.summary-card .summary-subtitle { font-size: 13px; color: var(--text-tertiary); margin-top: 2px; }
.summary-card .summary-text { font-size: 14px; line-height: 1.75; color: var(--text-secondary); }

/* 加载动画 */
.loader { width: 32px; height: 32px; border: 2px solid var(--border-color); border-top-color: var(--accent-color); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.skeleton-card { height: 220px; background: linear-gradient(90deg, var(--bg-card) 0%, var(--bg-card-hover) 50%, var(--bg-card) 100%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: 20px; }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }

/* 移动端底部导航 */
.mobile-tab-bar { display: none; position: fixed; bottom: 0; left: 0; right: 0; background: var(--bg-card); backdrop-filter: blur(40px) saturate(180%); border-top: 1px solid var(--border-color); z-index: 100; height: 64px; padding: 8px 0; }
@media (max-width: 1023px) { .mobile-tab-bar { display: flex; justify-content: space-around; align-items: center; } .main-content { padding-bottom: 80px; } }
.tab-button { display: flex; flex-direction: column; align-items: center; justify-content: center; flex: 1; padding: 8px; border: none; background: transparent; color: var(--text-tertiary); cursor: pointer; transition: all 0.2s; border-radius: 12px; margin: 0 8px; }
.tab-button.active { color: var(--accent-color); }
.tab-button i { font-size: 20px; margin-bottom: 4px; }
.tab-button span { font-size: 11px; font-weight: 500; }

/* 通知 */
.notification-container { position: fixed; top: 80px; right: 20px; z-index: 1000; display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.notification { background: var(--bg-card); backdrop-filter: blur(40px) saturate(180%); border: 1px solid var(--border-color); border-radius: 10px; padding: 10px 14px; box-shadow: var(--shadow-float); display: flex; align-items: center; min-width: 120px; max-width: 200px; animation: slideIn 0.15s ease-out; font-size: 13px; color: var(--text-primary); transition: opacity 0.15s ease-out; }
.notification-success { border-left: 2px solid #34c759; }
.notification-error { border-left: 2px solid #ff3b30; }
.notification-info { border-left: 2px solid var(--accent-color); }
@keyframes slideIn { from { transform: translateX(100px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* 按钮 */
.refresh-btn { background: linear-gradient(135deg, var(--accent-color), #5856d6); color: white; border: none; cursor: pointer; transition: all 0.2s; box-shadow: 0 4px 12px rgba(0,122,255,0.25); }
.refresh-btn:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 6px 20px rgba(0,122,255,0.35); }

.text-gradient { background: linear-gradient(135deg, var(--accent-color) 0%, #5856d6 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

@media (max-width: 640px) { .notification-container { right: 12px; left: 12px; top: 70px; } .notification { min-width: unset; width: 100%; } }
.mobile-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.4); backdrop-filter: blur(4px); z-index: 99; display: none; }
.mobile-overlay.show { display: block; }
.hidden { display: none !important; }

/* ==================== 两行一体化冻结导航栏 ==================== */
.sticky-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 16px 24px 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: transparent;
}

/* 滚动后的冻结状态：双行迷你操作台 */
.sticky-header.frozen {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04), 0 4px 16px rgba(0, 0, 0, 0.02);
  padding: 12px 24px 10px;
}

@media (prefers-color-scheme: dark) {
  .sticky-header.frozen {
    background: rgba(28, 28, 30, 0.88);
    border-bottom-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.2), 0 4px 16px rgba(0, 0, 0, 0.15);
  }
}

/* 冻结状态下的搜索框：略微缩小 */
.sticky-header.frozen .search-box-v4 {
  padding: 6px 10px 6px 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

/* 冻结状态下的标签栏：缩小至约92%，保持可读性 */
.sticky-header.frozen .tag-filter-bar {
  margin-top: 10px;
  gap: 6px;
}

.sticky-header.frozen .tag-filter-btn {
  padding: 6px 14px;
  font-size: 12px;
}

/* 标签栏基础样式 - 确保居中 */
.tag-filter-bar {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

/* 搜索包装器 - 确保居中 */
.search-wrapper {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==================== PM 每日寄语 ==================== */
.pm-spark-container {
  position: relative;
  margin-left: auto;
  cursor: default;
}

.pm-spark-preview {
  font-size: 12px;
  color: var(--text-tertiary);
  opacity: 0.6;
  transition: opacity 0.2s;
  white-space: nowrap;
}

.pm-spark-container:hover .pm-spark-preview {
  opacity: 1;
}

.pm-spark-tooltip {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-primary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all 0.2s ease;
  z-index: 100;
}

@media (prefers-color-scheme: dark) {
  .pm-spark-tooltip {
    background: rgba(44, 44, 46, 0.92);
  }
}

.pm-spark-container:hover .pm-spark-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.pm-spark-tooltip::before {
  content: '';
  position: absolute;
  top: -6px;
  right: 16px;
  width: 10px;
  height: 10px;
  background: inherit;
  border: 1px solid var(--border-color);
  border-right: none;
  border-bottom: none;
  transform: rotate(45deg);
}

/* ==================== AI 助理对话模式样式 ==================== */

/* 助理模式下的弹窗增强 */
.glass-results-v2.assistant-mode {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(40px) saturate(200%);
  -webkit-backdrop-filter: blur(40px) saturate(200%);
}

@media (prefers-color-scheme: dark) {
  .glass-results-v2.assistant-mode {
    background: rgba(28, 28, 30, 0.92);
  }
}

/* 建议词区域 */
.suggestions-section {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.suggestions-label {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 12px;
  font-weight: 500;
}

.suggestions-bubbles {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.suggestion-bubble {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  background: linear-gradient(135deg, rgba(88, 86, 214, 0.1), rgba(0, 122, 255, 0.1));
  border: 1px solid rgba(88, 86, 214, 0.2);
  border-radius: 20px;
  font-size: 13px;
  color: var(--accent-color);
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 500;
}

.suggestion-bubble:hover {
  background: linear-gradient(135deg, rgba(88, 86, 214, 0.2), rgba(0, 122, 255, 0.2));
  border-color: rgba(88, 86, 214, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(88, 86, 214, 0.15);
}

.suggestion-bubble i {
  font-size: 11px;
  opacity: 0.7;
}

@media (prefers-color-scheme: dark) {
  .suggestion-bubble {
    background: linear-gradient(135deg, rgba(88, 86, 214, 0.2), rgba(0, 122, 255, 0.2));
    border-color: rgba(88, 86, 214, 0.3);
  }
  
  .suggestion-bubble:hover {
    background: linear-gradient(135deg, rgba(88, 86, 214, 0.3), rgba(0, 122, 255, 0.3));
    border-color: rgba(88, 86, 214, 0.5);
  }
}

/* 可点击标签样式 */
.clickable-tag {
  display: inline-block;
  padding: 2px 8px;
  margin: 0 2px;
  background: linear-gradient(135deg, var(--accent-color), #5856d6);
  color: white !important;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.clickable-tag:hover {
  transform: scale(1.05);
  box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3);
}

/* 搜索结果弹窗增强毛玻璃效果 */
.glass-results-v2 {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(32px) saturate(180%);
  -webkit-backdrop-filter: blur(32px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12), 
              0 8px 24px rgba(0, 0, 0, 0.08),
              inset 0 1px 0 rgba(255, 255, 255, 0.5);
  padding: 20px;
  max-height: 70vh;
  overflow-y: auto;
}

@media (prefers-color-scheme: dark) {
  .glass-results-v2 {
    background: rgba(28, 28, 30, 0.88);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 
                0 8px 24px rgba(0, 0, 0, 0.3),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
  }
}

/* 合成结果区域 */
.synthesis-section-v2 {
  margin-bottom: 16px;
}

.synthesis-header-v2 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-color);
}

.synthesis-header-v2 i {
  font-size: 16px;
}

.synthesis-content-v2 {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-primary);
}

/* 空状态优化 */
.no-results-v2 {
  text-align: center;
  padding: 32px 20px;
}

.no-results-v2 i {
  font-size: 48px;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

.no-results-v2 p {
  font-size: 15px;
  color: var(--text-primary);
  margin-bottom: 8px;
  font-weight: 500;
}

.no-results-v2 span {
  font-size: 13px;
  color: var(--text-secondary);
}

/* 响应式适配 */
@media (max-width: 640px) {
  .suggestions-bubbles {
    flex-direction: column;
  }
  
  .suggestion-bubble {
    width: 100%;
    justify-content: center;
  }
  
  .glass-results-v2 {
    max-height: 60vh;
    border-radius: 16px;
    padding: 16px;
  }
}

/* ==================== 麦肯锡式结构化综述样式 ==================== */

/* 二级标题 */
.synthesis-h2 {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent-color);
  margin: 20px 0 12px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

.synthesis-h2::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 16px;
  background: linear-gradient(135deg, var(--accent-color), #5856d6);
  border-radius: 2px;
}

/* 引用块 */
.synthesis-quote {
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.06), rgba(88, 86, 214, 0.06));
  border-left: 3px solid var(--accent-color);
  border-radius: 0 12px 12px 0;
  padding: 14px 18px;
  margin: 12px 0;
  font-style: italic;
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.7;
}

@media (prefers-color-scheme: dark) {
  .synthesis-quote {
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.12), rgba(88, 86, 214, 0.12));
  }
}

/* 智联引用序号 */
.ref-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 4px;
  background: linear-gradient(135deg, var(--accent-color), #5856d6);
  color: white;
  font-size: 11px;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  margin: 0 2px;
  vertical-align: middle;
}

.ref-link:hover {
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(0, 122, 255, 0.4);
}

/* 日期高亮 */
.date-highlight {
  color: var(--accent-color);
  font-weight: 500;
}

/* 分割线 */
.synthesis-divider {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
  margin: 20px 0;
}

/* 合成链接 */
.synthesis-link {
  color: var(--accent-color) !important;
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.synthesis-link:hover {
  color: #5856d6 !important;
  text-decoration-thickness: 2px;
}

/* 资讯卡片引用徽章 */
.ref-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 20px;
  padding: 0 6px;
  background: linear-gradient(135deg, var(--accent-color), #5856d6);
  color: white;
  font-size: 11px;
  font-weight: 600;
  border-radius: 4px;
  margin-right: 8px;
}

.related-card-header {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
}

/* 卡片高亮动画（点击引用序号时） */
.related-card-v2.highlighted {
  animation: cardHighlight 0.5s ease-out;
  box-shadow: 0 0 0 3px var(--accent-color), 0 4px 16px rgba(0, 122, 255, 0.3);
}

@keyframes cardHighlight {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 0 var(--accent-color);
  }
  50% {
    transform: scale(1.02);
    box-shadow: 0 0 0 4px var(--accent-color), 0 8px 24px rgba(0, 122, 255, 0.4);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 3px var(--accent-color), 0 4px 16px rgba(0, 122, 255, 0.3);
  }
}

/* 段落间距优化 */
.synthesis-content-v2 p {
  margin: 0 0 12px 0;
  line-height: 1.8;
}

.synthesis-content-v2 p:last-child {
  margin-bottom: 0;
}

/* 加粗文字增强 */
.synthesis-content-v2 strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* 搜索结果弹窗增强毛玻璃 - 强力隔离 */
.glass-results-v2 {
  background: rgba(255, 255, 255, 0.92) !important;
  backdrop-filter: blur(48px) saturate(200%) !important;
  -webkit-backdrop-filter: blur(48px) saturate(200%) !important;
}

@media (prefers-color-scheme: dark) {
  .glass-results-v2 {
    background: rgba(28, 28, 30, 0.94) !important;
  }
}

/* ==================== Alpha 功能区样式 ==================== */

/* 侧边栏 Alpha 按钮 */
.alpha-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.alpha-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.1), rgba(88, 86, 214, 0.1));
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.alpha-btn:hover {
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.2), rgba(88, 86, 214, 0.2));
  transform: translateX(4px);
}

.alpha-btn i {
  width: 20px;
  color: var(--accent-color);
}

.cart-badge {
  position: absolute;
  right: 12px;
  background: linear-gradient(135deg, #FF3B30, #FF9500);
  color: white;
  font-size: 11px;
  font-weight: 600;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
}

/* 资讯卡片添加按钮 */
.article-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.add-to-cart-btn {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: none;
  background: rgba(0, 122, 255, 0.1);
  color: var(--accent-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  opacity: 0;
}

.article-card:hover .add-to-cart-btn {
  opacity: 1;
}

.add-to-cart-btn:hover {
  background: var(--accent-color);
  color: white;
  transform: scale(1.1);
}

.add-to-cart-btn.in-cart {
  background: var(--accent-color);
  color: white;
  opacity: 1;
}

.add-to-cart-btn.in-cart:hover {
  background: #FF3B30;
}

/* ==================== 周报弹窗样式 ==================== */

.briefing-modal, .signal-map-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
}

.briefing-modal.show, .signal-map-modal.show {
  display: flex;
}

.briefing-modal-backdrop, .signal-map-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
}

.briefing-modal-content, .signal-map-content {
  position: relative;
  width: 90%;
  max-width: 700px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(40px) saturate(200%);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  animation: modalSlideIn 0.3s ease;
  overflow: hidden;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.briefing-modal-header, .signal-map-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  background: inherit;
  backdrop-filter: inherit;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 10;
}

.briefing-modal-header h2, .signal-map-header h2 {
  font-size: 18px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.briefing-modal-header h2 i, .signal-map-header h2 i {
  color: var(--accent-color);
}

.modal-close-btn {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.modal-close-btn:hover {
  background: rgba(0, 0, 0, 0.1);
  color: var(--text-primary);
}

.briefing-modal-body {
  padding: 20px 24px;
  overflow-y: auto;
  flex: 1;
}

.signal-map-body {
  padding: 20px 24px;
  overflow-y: auto;
  flex: 1;
}

/* 已选资讯区域 - 可展开收起 */
.briefing-cart-section {
  transition: all 0.3s ease;
}

.cart-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  padding: 4px 0;
  margin-bottom: 8px;
}

.cart-section-header:hover {
  opacity: 0.8;
}

.briefing-cart-section h3 {
  font-size: 14px;
  font-weight: 600;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.cart-toggle-btn {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.cart-toggle-btn:hover {
  background: rgba(0, 0, 0, 0.1);
}

.briefing-cart-list {
  max-height: 160px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 12px;
  transition: all 0.3s ease;
}

/* 收起状态 */
.briefing-cart-section.collapsed .briefing-cart-list {
  max-height: 0;
  padding: 0;
  margin: 0;
  border: none;
  overflow: hidden;
}

.empty-cart {
  padding: 32px;
  text-align: center;
  color: var(--text-tertiary);
}

.empty-cart i {
  font-size: 32px;
  margin-bottom: 8px;
  display: block;
}

.empty-cart p {
  font-size: 14px;
  margin-bottom: 4px;
}

.empty-cart span {
  font-size: 12px;
}

.cart-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.cart-item:last-child {
  border-bottom: none;
}

.cart-item-info {
  flex: 1;
  min-width: 0;
}

.cart-item-source {
  font-size: 11px;
  color: var(--text-tertiary);
}

.cart-item-title {
  font-size: 13px;
  font-weight: 500;
  margin: 4px 0 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cart-item-remove {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
  margin-left: 12px;
}

.cart-item-remove:hover {
  background: rgba(255, 59, 48, 0.1);
  color: #FF3B30;
}

.briefing-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.clear-cart-btn {
  padding: 10px 16px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.clear-cart-btn:hover {
  background: rgba(255, 59, 48, 0.1);
  border-color: #FF3B30;
  color: #FF3B30;
}

.generate-btn {
  flex: 1;
  padding: 12px 20px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, #007AFF, #5856D6);
  color: white;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s;
}

.generate-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 122, 255, 0.4);
}

.generate-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 周报结果区 */
.briefing-result {
  margin-top: 16px;
}

.briefing-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px;
  gap: 16px;
}

.briefing-loading p {
  color: var(--text-secondary);
  font-size: 14px;
}

.briefing-output {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
}

.briefing-output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(52, 199, 89, 0.1);
  border-bottom: 1px solid var(--border-color);
}

.briefing-output-header h3 {
  font-size: 14px;
  font-weight: 600;
  color: #34C759;
  display: flex;
  align-items: center;
  gap: 8px;
}

.copy-btn {
  padding: 6px 12px;
  border: none;
  border-radius: 6px;
  background: var(--accent-color);
  color: white;
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s;
}

.copy-btn:hover {
  opacity: 0.9;
}

.briefing-content {
  padding: 16px;
  font-size: 14px;
  line-height: 1.8;
  max-height: 400px;
  overflow-y: auto;
}

/* 报告排版重构 - 缩减标题与正文间距，保持标题间距 */
.briefing-content .report-content {
  margin: 0;
}

.briefing-content .report-title,
.briefing-content h1.report-title {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 8px;
  padding-bottom: 8px;
  color: var(--text-primary);
  border-bottom: 2px solid var(--accent-color);
}

.briefing-content .report-section,
.briefing-content h2.report-section {
  font-size: 14px;
  font-weight: 600;
  margin: 16px 0 0;
  color: var(--accent-color);
  display: block;
}

/* 强制移除标题后的 br 间距 */
.briefing-content h1 + br,
.briefing-content h2 + br,
.briefing-content h3 + br,
.briefing-content .report-title + br,
.briefing-content .report-section + br,
.briefing-content .report-subsection + br {
  display: none;
}

.briefing-content .report-subsection,
.briefing-content h3.report-subsection {
  font-size: 13px;
  font-weight: 600;
  margin: 12px 0 0;
  color: var(--text-secondary);
}

.briefing-content .report-para {
  margin: 0 0 6px;
  line-height: 1.65;
}

.briefing-content .report-highlight,
.briefing-content blockquote.report-highlight {
  margin: 6px 0;
  padding: 8px 12px;
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.06), rgba(88, 86, 214, 0.06));
  border-left: 3px solid var(--accent-color);
  border-radius: 0 8px 8px 0;
  font-style: normal;
}

.briefing-content .report-item {
  margin: 2px 0;
  padding-left: 4px;
  line-height: 1.6;
}

.briefing-content .report-divider,
.briefing-content hr.report-divider {
  margin: 12px 0;
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

/* 旧样式兼容 - 紧凑间距 */
.briefing-content h1 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--text-primary);
}

.briefing-content h2 {
  font-size: 14px;
  font-weight: 600;
  margin: 14px 0 0;
  color: var(--accent-color);
}

.briefing-content h3 {
  font-size: 13px;
  font-weight: 600;
  margin: 10px 0 0;
}

.briefing-content blockquote {
  margin: 6px 0;
  padding: 8px 12px;
  background: rgba(0, 122, 255, 0.05);
  border-left: 3px solid var(--accent-color);
  border-radius: 0 8px 8px 0;
}

.briefing-content li {
  margin: 2px 0;
}

.briefing-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px;
  color: #FF3B30;
  text-align: center;
}

.briefing-error i {
  font-size: 32px;
  margin-bottom: 12px;
}

/* ==================== 信号传播路径图样式 ==================== */

.signal-map-content {
  max-width: 900px;
  width: 95%;
}

.signal-loading, .signal-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 48px;
  gap: 16px;
  text-align: center;
}

.signal-error {
  color: #FF3B30;
}

.signal-error i {
  font-size: 40px;
}

.signal-map-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.signal-theme {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.1), rgba(88, 86, 214, 0.1));
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.signal-theme i {
  color: var(--accent-color);
  font-size: 18px;
}

.signal-date {
  font-size: 12px;
  color: var(--text-tertiary);
  text-align: center;
  margin-top: 4px;
}

.signal-nodes-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 8px;
}

.signal-level {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.level-label {
  width: 72px;
  min-width: 72px;
  padding: 8px 6px;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  flex-shrink: 0;
  white-space: nowrap;
}

.level-nodes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  flex: 1;
}

.signal-node {
  padding: 10px 14px;
  border-radius: 10px;
  border: 2px solid;
  flex: 1;
  min-width: 140px;
  max-width: 280px;
}

.node-label {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 3px;
  line-height: 1.3;
}

.node-desc {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.signal-edges-container {
  padding: 14px 16px;
  background: rgba(0, 0, 0, 0.03);
  border-radius: 12px;
  margin-top: 8px;
}

.signal-edges-container h4 {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.signal-edge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 0;
  font-size: 12px;
  flex-wrap: wrap;
}

.edge-from, .edge-to {
  padding: 3px 8px;
  background: rgba(0, 122, 255, 0.1);
  border-radius: 5px;
  color: var(--accent-color);
  font-weight: 500;
  font-size: 11px;
}

.edge-arrow {
  color: var(--text-tertiary);
  font-size: 10px;
}

.edge-label {
  color: var(--text-secondary);
  font-style: italic;
  font-size: 11px;
}

.signal-insight {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  background: linear-gradient(135deg, rgba(255, 149, 0, 0.1), rgba(255, 59, 48, 0.1));
  border-radius: 12px;
  border-left: 3px solid #FF9500;
  margin-top: 8px;
}

.signal-insight i {
  color: #FF9500;
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 1px;
}

.signal-insight span {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-primary);
}

/* ==================== 极简路径展示样式（超时容错） ==================== */

.signal-theme.simplified {
  background: linear-gradient(135deg, rgba(255, 149, 0, 0.1), rgba(255, 59, 48, 0.1));
  color: #FF9500;
}

.signal-theme.simplified i {
  color: #FF9500;
}

.simplified-badge {
  margin-left: auto;
  padding: 4px 10px;
  background: rgba(255, 149, 0, 0.15);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  color: #FF9500;
}

.simplified-path {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 32px 16px;
  flex-wrap: wrap;
}

.path-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 24px;
  border-radius: 12px;
  min-width: 100px;
}

.path-node.tech {
  background: rgba(0, 122, 255, 0.1);
  border: 2px solid #007AFF;
}

.path-node.platform {
  background: rgba(175, 82, 222, 0.1);
  border: 2px solid #AF52DE;
}

.path-node.application {
  background: rgba(52, 199, 89, 0.1);
  border: 2px solid #34C759;
}

.path-node.market {
  background: rgba(255, 149, 0, 0.1);
  border: 2px solid #FF9500;
}

.path-level {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

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

.path-node.tech .path-icon { color: #007AFF; }
.path-node.platform .path-icon { color: #AF52DE; }
.path-node.application .path-icon { color: #34C759; }
.path-node.market .path-icon { color: #FF9500; }

.path-arrow {
  color: var(--text-tertiary);
  font-size: 20px;
}

.signal-insight.simplified {
  background: linear-gradient(135deg, rgba(255, 149, 0, 0.08), rgba(255, 59, 48, 0.05));
  border-left-color: #FF9500;
}

/* 暗色模式适配 - 系统偏好 */
@media (prefers-color-scheme: dark) {
  .briefing-modal-content, .signal-map-content {
    background: rgba(28, 28, 30, 0.95);
  }
  
  .alpha-btn {
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.15), rgba(88, 86, 214, 0.15));
  }
  
  .alpha-btn:hover {
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.25), rgba(88, 86, 214, 0.25));
  }
  
  .level-label {
    background: rgba(255, 255, 255, 0.05);
  }
  
  .signal-edges-container {
    background: rgba(255, 255, 255, 0.03);
  }
}

/* ==================== 夜间模式 (手动切换) ==================== */

/* 夜间模式 CSS 变量 */
[data-theme="dark"],
body.dark-mode {
  --bg-primary: #121212;
  --bg-secondary: #1E1E1E;
  --bg-tertiary: #252525;
  --bg-card: rgba(38, 38, 40, 0.9);
  --text-primary: #F5F5F7;
  --text-secondary: #A1A1A6;
  --text-tertiary: #636366;
  --border-color: rgba(255, 255, 255, 0.1);
  --accent-color: #0A84FF;
  --shadow-color: rgba(0, 0, 0, 0.4);
  color-scheme: dark;
}

body.dark-mode {
  background: var(--bg-primary);
  color: var(--text-primary);
}

body.dark-mode .sidebar {
  background: rgba(28, 28, 30, 0.95);
  border-color: rgba(255, 255, 255, 0.08);
}

body.dark-mode .glass,
body.dark-mode .article-card {
  background: rgba(38, 38, 40, 0.85);
  border-color: rgba(255, 255, 255, 0.08);
}

body.dark-mode .summary-card {
  background: rgba(38, 38, 40, 0.9);
}

body.dark-mode .search-box-v4 {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode .search-input {
  color: var(--text-primary);
}

body.dark-mode .search-input::placeholder {
  color: var(--text-tertiary);
}

body.dark-mode .tag-filter-btn {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
}

body.dark-mode .tag-filter-btn.active {
  background: linear-gradient(135deg, rgba(0, 132, 255, 0.3), rgba(88, 86, 214, 0.3));
}

body.dark-mode .calendar-day {
  color: var(--text-secondary);
}

body.dark-mode .calendar-day.has-articles {
  background: rgba(0, 132, 255, 0.2);
}

body.dark-mode .all-history-btn {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode .glass-results-v2 {
  background: rgba(28, 28, 30, 0.96) !important;
}

body.dark-mode .briefing-modal-content,
body.dark-mode .signal-map-content {
  background: rgba(28, 28, 30, 0.96);
}

body.dark-mode .briefing-cart-list,
body.dark-mode .briefing-output {
  border-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode .cart-item {
  border-color: rgba(255, 255, 255, 0.08);
}

body.dark-mode .modal-close-btn,
body.dark-mode .cart-toggle-btn {
  background: rgba(255, 255, 255, 0.08);
}

body.dark-mode .level-label {
  background: rgba(255, 255, 255, 0.08);
}

body.dark-mode .mode-dropdown {
  background: rgba(38, 38, 40, 0.98);
  border-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode .mode-option:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* ==================== 侧边栏顶部 Header ==================== */

.sidebar-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
}

.sidebar-header .sidebar-logo {
  margin-bottom: 0;
}

.sidebar-header .sidebar-collapse-btn {
  flex-shrink: 0;
  margin-top: 4px;
}

/* ==================== 侧边栏底部控制区 ==================== */

.sidebar-footer {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-footer-row {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.theme-toggle-btn {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: none;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
}

body.dark-mode .theme-toggle-btn {
  background: rgba(255, 255, 255, 0.08);
}

.theme-toggle-btn:hover {
  background: rgba(0, 0, 0, 0.1);
  color: var(--text-primary);
}

body.dark-mode .theme-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.12);
}

.theme-toggle-btn i {
  font-size: 14px;
  width: 18px;
}

.sidebar-collapse-btn {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

body.dark-mode .sidebar-collapse-btn {
  background: rgba(255, 255, 255, 0.08);
}

.sidebar-collapse-btn:hover {
  background: var(--accent-color);
  color: white;
}

/* ==================== 侧边栏收放动效 ==================== */

.sidebar {
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
              padding 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.sidebar.collapsed {
  width: 60px !important;
  padding: 16px 10px;
}

.sidebar.collapsed .sidebar-logo,
.sidebar.collapsed #calendar-container,
.sidebar.collapsed .alpha-actions h3,
.sidebar.collapsed .alpha-btn span,
.sidebar.collapsed .theme-toggle-btn span,
.sidebar.collapsed .cart-badge {
  display: none;
}

.sidebar.collapsed .sidebar-header {
  justify-content: center;
  margin-bottom: 16px;
}

.sidebar.collapsed .sidebar-header .sidebar-collapse-btn {
  margin-top: 0;
}

.sidebar.collapsed .alpha-btn {
  justify-content: center;
  padding: 12px;
}

.sidebar.collapsed .alpha-btn i {
  margin: 0;
}

.sidebar.collapsed .sidebar-footer {
  flex-direction: column;
  gap: 8px;
}

.sidebar.collapsed .theme-toggle-btn {
  width: 40px;
  height: 40px;
  padding: 0;
  justify-content: center;
}

.sidebar.collapsed .sidebar-collapse-btn {
  width: 40px;
}

/* 主内容区适配 */
.main-content {
  transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-content.sidebar-collapsed {
  margin-left: 60px;
}

/* 移动端不显示收放按钮 */
@media (max-width: 1023px) {
  .sidebar-collapse-btn {
    display: none;
  }
  
  .sidebar-footer {
    justify-content: center;
  }
  
  .theme-toggle-btn {
    flex: none;
  }
}

/* 悬浮提示 - 收起状态下显示 */
.sidebar.collapsed .alpha-btn {
  position: relative;
}

.sidebar.collapsed .alpha-btn::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  margin-left: 8px;
  padding: 6px 10px;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  font-size: 12px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s;
  z-index: 100;
}

.sidebar.collapsed .alpha-btn:hover::after {
  opacity: 1;
  visibility: visible;
}

/* ==================== 版本号按钮样式 ==================== */

.version-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 6px 12px;
  background: transparent;
  border: none;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 400;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all 0.2s;
}

.version-btn:hover {
  background: rgba(0, 122, 255, 0.08);
  color: var(--accent-color);
}

.version-btn i {
  font-size: 10px;
}

.sidebar.collapsed .version-btn {
  width: 40px;
  height: 32px;
  padding: 0;
}

.sidebar.collapsed .version-btn span {
  display: none;
}

/* 版本弹窗 */
.version-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.version-modal.show {
  display: flex;
}

.version-modal-content {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-float);
  max-width: 480px;
  width: 90%;
  max-height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.version-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.version-modal-header h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.version-modal-header h2 .version-badge {
  display: inline-block;
  padding: 2px 8px;
  background: var(--accent-color);
  color: white;
  font-size: 11px;
  font-weight: 500;
  border-radius: 10px;
}

.version-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.changelog-item {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.changelog-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.changelog-version {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.changelog-version .version {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-color);
}

.changelog-version .date {
  font-size: 12px;
  color: var(--text-tertiary);
}

.changelog-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.changelog-changes {
  list-style: none;
  padding: 0;
  margin: 0;
}

.changelog-changes li {
  font-size: 12px;
  color: var(--text-secondary);
  padding: 3px 0 3px 16px;
  position: relative;
}

.changelog-changes li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent-color);
}

.version-modal-close {
  width: 28px;
  height: 28px;
  border: none;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.version-modal-close:hover {
  background: rgba(0, 0, 0, 0.1);
  color: var(--text-primary);
}

@media (prefers-color-scheme: dark) {
  .version-modal-close {
    background: rgba(255, 255, 255, 0.1);
  }
  
  .version-modal-close:hover {
    background: rgba(255, 255, 255, 0.15);
  }
}