:root {
  --primary: #2563eb;
  --primary-light: #eff6ff;
  --primary-dark: #1d4ed8;
  --primary-warm: #3b82f6;
  --success: #5b9a8b;
  --warning: #d4a017;
  --danger: #d4736a;
  --bg: #f7f5f2;
  --card: #ffffff;
  --card-warm: #fdfcfa;
  --border: #e8e3dc;
  --text: #3d3a35;
  --text-secondary: #7a7468;
  --text-muted: #a89e91;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 2px 8px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.03);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.05), 0 2px 6px rgba(0,0,0,0.03);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.06), 0 4px 10px rgba(0,0,0,0.03);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: "Noto Sans SC", "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei UI", -apple-system, BlinkMacSystemFont, Inter, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: 0.01em;
  background: linear-gradient(180deg, #f7f5f2 0%, #f2efe9 50%, #f7f5f2 100%);
  color: var(--text);
  line-height: 1.75;
  min-height: 100vh;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* ===== 顶部导航栏 ===== */
.top-bar {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 1px 8px rgba(0,0,0,0.03);
}
.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.top-bar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.app-logo {
  display: flex;
  align-items: center;
  justify-content: center;
}
.app-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 2px;
}
.top-bar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
#headerUser {
  font-size: 14px;
  color: var(--text-secondary);
  overflow: hidden;
}

/* 专业文字问候 */
.greeting-text {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  animation: greetSlide 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) both, greetShimmer 3s ease-in-out 0.8s infinite;
}

@keyframes greetSlide {
  0% {
    opacity: 0;
    transform: translateX(16px);
    filter: blur(3px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
    filter: blur(0);
  }
}

@keyframes greetShimmer {
  0%, 100% {
    color: var(--text);
  }
  50% {
    color: var(--primary);
  }
}

.header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  position: sticky; top: 0; z-index: 100;
}
.header .container { display: flex; align-items: center; justify-content: space-between; }
.header-logo { display: flex; align-items: center; gap: 10px; }
.header-logo h1 { font-size: 20px; font-weight: 600; color: var(--primary); }
.header-org { font-size: 12px; color: var(--text-muted); }
.header-actions { display: flex; gap: 12px; align-items: center; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 20px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  font-size: 14px; cursor: pointer; transition: all var(--transition);
  background: var(--card); color: var(--text);
  font-weight: 500;
}
.btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-warm)); color: #fff; border-color: transparent; box-shadow: 0 2px 10px rgba(37,99,235,0.25); }
.btn-primary:hover { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; box-shadow: 0 4px 16px rgba(37,99,235,0.35); transform: translateY(-2px); }
.btn-danger { color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: 7px 16px; font-size: 13px; border-radius: 8px; }
a.btn-sm { text-decoration: none; }

/* ===== 顶栏功能入口组 ===== */
.action-group {
  display: flex;
  align-items: center;
  gap: 10px;
}
.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  transition: all 0.2s;
  white-space: nowrap;
}
.action-btn:hover {
  border-color: var(--text-muted);
  color: var(--text);
  background: rgba(0,0,0,0.02);
}
.action-btn::before { display: none; }
.action-btn .btn-icon {
  font-size: 14px;
  line-height: 1;
  flex-shrink: 0;
}
.action-btn .btn-label { line-height: 1.3; }
.action-btn .btn-sub { display: none; }

/* 快速收录按钮 */
.action-btn-collect {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.action-btn-collect:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* 专家入口按钮 */
.action-btn-expert {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.action-btn-expert:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.search-section {
  margin: 32px 0 24px;
}
.search-box {
  display: flex; gap: 0;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow);
}
.search-box input {
  flex: 1; border: none; padding: 14px 20px; font-size: 16px; outline: none;
}
.search-box button {
  border: none; background: linear-gradient(135deg, var(--primary), var(--primary-warm)); color: #fff; padding: 14px 28px;
  font-size: 15px; cursor: pointer; white-space: nowrap;
}
.search-box button:hover { background: var(--primary-dark); }

.filters {
  display: flex; gap: 12px; margin-top: 16px; flex-wrap: wrap; align-items: center;
}
.filters select {
  padding: 8px 14px; border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 13px; background: var(--card); outline: none; color: var(--text);
}

/* ===== AI 增强搜索栏 ===== */
.ai-search-section {
  margin: 28px 0 20px;
}
.ai-search-box {
  display: flex; gap: 0; align-items: center;
  background: var(--card); border: 2px solid var(--border);
  border-radius: 18px; overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.ai-search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 6px rgba(37,99,235,0.06), var(--shadow-lg);
}
.ai-search-icon {
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; flex-shrink: 0;
  margin-left: 16px;
}
.ai-search-icon svg {
  width: 100%; height: 100%;
  animation: aiPulse 2.5s ease-in-out infinite;
}
@keyframes aiPulse {
  0%, 100% { opacity: 0.85; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}
.ai-search-box:focus-within .ai-search-icon svg {
  animation: aiSpin 1.2s linear infinite;
}
@keyframes aiSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.ai-search-box input {
  flex: 1; border: none; padding: 18px 16px; font-size: 16px; outline: none;
  background: transparent; color: var(--text);
}
.ai-search-box input::placeholder { color: #b8ae9f; font-size: 15px; }
.ai-search-box button {
  border: none; background: linear-gradient(135deg, var(--primary), var(--primary-warm));
  color: #fff; padding: 13px 30px; margin: 6px 8px 6px 0;
  font-size: 15px; cursor: pointer; white-space: nowrap;
  border-radius: 13px; font-weight: 600; letter-spacing: 1px;
  transition: all var(--transition);
  box-shadow: 0 2px 8px rgba(37,99,235,0.2);
}
.ai-search-box button:hover { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); box-shadow: 0 4px 16px rgba(37,99,235,0.35); transform: translateY(-1px); }
.ai-search-box button:active { transform: scale(0.97); }
.ai-search-box button:disabled { opacity: 0.6; cursor: not-allowed; }

.ai-quick-tags {
  display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap;
}
.ai-tag {
  padding: 7px 18px; border: 1px solid var(--border); border-radius: 22px;
  font-size: 13px; color: var(--text-secondary); background: var(--card);
  cursor: pointer; transition: all var(--transition); white-space: nowrap;
  box-shadow: 0 1px 2px rgba(0,0,0,0.02);
}
.ai-tag:hover { background: linear-gradient(135deg, var(--primary), var(--primary-warm)); color: #fff; border-color: var(--primary); box-shadow: 0 3px 12px rgba(37,99,235,0.25); transform: translateY(-2px); }

.ai-tabs {
  display: flex; gap: 6px; margin-top: 18px;
  background: var(--card); border-radius: 16px; padding: 6px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}
.ai-tab {
  flex: 1; padding: 12px 20px; text-align: center; font-size: 14px;
  cursor: pointer; border-radius: 12px; transition: all var(--transition);
  color: var(--text-secondary); border: none; background: transparent;
  font-weight: 500;
}
.ai-tab:hover { background: var(--primary-light); color: var(--primary); }
.ai-tab.active { background: linear-gradient(135deg, var(--primary), var(--primary-warm)); color: #fff; box-shadow: 0 3px 12px rgba(37,99,235,0.3); }

/* 浏览子标签（三库切换） */
.browse-sub-tabs {
  display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap;
}
.sub-tab {
  padding: 8px 22px; border: 1px solid var(--border); border-radius: 22px;
  font-size: 13px; cursor: pointer; transition: all var(--transition);
  color: var(--text-secondary); background: var(--card);
  font-weight: 500;
}
.sub-tab:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); transform: translateY(-1px); }
.sub-tab.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-warm)); color: #fff; border-color: transparent;
  box-shadow: 0 3px 12px rgba(37,99,235,0.25);
}

/* ===== 浏览区分组 ===== */
.browse-group {
  margin-top: 20px;
}
.browse-group-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.browse-group-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.browse-group-desc {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
}
.browse-group-divider {
  flex: 1;
  height: 0;
  border-bottom: 1px dashed var(--border);
  min-width: 20px;
}
.browse-group-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* 三库卡片 */
.lib-card {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 14px 20px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  cursor: pointer;
  transition: all var(--transition);
  min-width: 140px;
  flex: 1;
  box-shadow: var(--shadow);
}
.lib-card:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.lib-card.active {
  border-color: var(--primary);
  background: transparent;
  box-shadow: 0 2px 12px rgba(37,99,235,0.15);
}
.lib-card-icon {
  font-size: 22px;
  margin-bottom: 4px;
  line-height: 1;
}
.lib-card-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}
.lib-card-count {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
}
.lib-card.active .lib-card-name { color: var(--primary); }
.lib-card.active .lib-card-count { color: var(--primary); }

/* 财税知识独特样式 */
.knowledge-feed-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1.5px dashed var(--border);
  border-radius: 12px;
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}
.knowledge-feed-tab:hover {
  border-color: var(--text-muted);
  background: transparent;
  color: var(--text);
  transform: translateY(-1px);
  box-shadow: none;
}
.knowledge-feed-tab.active {
  border-style: solid;
  border-color: var(--text);
  background: transparent;
  color: var(--primary);
  box-shadow: none;
}
.knowledge-feed-tab .feed-icon {
  font-size: 18px;
}
.knowledge-feed-tab .feed-meta {
  font-size: 11px;
  font-weight: 400;
  opacity: 0.7;
  margin-left: auto;
}

/* 提问区描述 */
.ask-desc {
  font-size: 13px; color: var(--text-secondary); margin-bottom: 16px;
  line-height: 1.6;
}
.ask-msg.success { color: var(--success); }
.ai-search-tags {
  display: flex; gap: 8px; justify-content: center; margin-top: 12px; flex-wrap: wrap;
}
.ai-tag {
  padding: 5px 14px; border: 1px solid var(--border); border-radius: 20px;
  font-size: 12px; color: var(--text-secondary); background: var(--card);
  cursor: pointer; transition: all 0.2s; white-space: nowrap;
}
.ai-tag:hover { background: linear-gradient(135deg, var(--primary), var(--primary-warm)); color: #fff; border-color: var(--primary); }

/* AI 搜索结果 */
.ai-loading {
  text-align: center; padding: 48px 20px; font-size: 15px; color: var(--text-muted);
}
.ai-result-header {
  display: flex; align-items: center; gap: 10px; margin-bottom: 16px;
  flex-wrap: wrap;
}
.ai-result-label {
  padding: 4px 12px; background: linear-gradient(135deg, #eff6ff, #bfdbfe);
  color: #1d4ed8; border-radius: 6px; font-size: 13px; font-weight: 600;
}
.ai-result-query {
  font-size: 15px; color: var(--text-secondary); font-weight: 400;
}
.ai-answer-card {
  background: var(--card); border: 1px solid var(--border);
  border-left: 4px solid var(--primary); border-radius: var(--radius);
  padding: 24px 28px; margin-bottom: 24px;
  box-shadow: var(--shadow); line-height: 1.8; font-size: 15px;
}
.ai-answer-body p { margin-bottom: 10px; }
.ai-answer-body p:last-child { margin-bottom: 0; }
.ai-answer-note {
  margin-top: 14px; padding: 8px 12px; background: #fef5e0;
  border-radius: 6px; font-size: 12px; color: #78350f;
}
.ref-marker {
  color: var(--primary); font-weight: 600; cursor: pointer;
  font-size: 11px; vertical-align: super; margin: 0 2px;
}
.ref-card {
  border-left: 3px solid #a8c4e0; padding-left: 14px;
}

.tabs {
  display: flex; gap: 4px; margin: 24px 0 16px;
  background: var(--card); border-radius: var(--radius); padding: 4px;
  border: 1px solid var(--border);
}
.tab {
  flex: 1; padding: 10px 16px; text-align: center; font-size: 14px;
  cursor: pointer; border-radius: 7px; transition: all 0.15s;
  color: var(--text-secondary); border: none; background: transparent;
}
.tab:hover { background: var(--primary-light); color: var(--primary); }
.tab.active { background: linear-gradient(135deg, var(--primary), var(--primary-warm)); color: #fff; }

.stats-bar {
  display: flex; gap: 16px; margin-bottom: 20px;
}
.stat-card {
  flex: 1; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 20px; text-align: center;
  box-shadow: var(--shadow);
}
.stat-card .num { font-size: 28px; font-weight: 700; color: var(--primary); font-family: Inter, "Noto Sans SC", sans-serif; }
.stat-card .label { font-size: 13px; color: var(--text-secondary); margin-top: 4px; font-weight: 500; }

.section-title {
  font-size: 16px; font-weight: 700; margin: 24px 0 12px;
  padding-bottom: 8px; border-bottom: 1px solid var(--border);
  letter-spacing: 0.03em;
}

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

/* ===== 财税知识列表行 ===== */
.feed-list { display: flex; flex-direction: column; }
.feed-row {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
  text-decoration: none;
  color: inherit;
}
.feed-row:last-child { border-bottom: none; }
.feed-row:hover { background: rgba(0,0,0,0.015); }

/* 第一行：序号 + 标题 + 箭头 */
.feed-line1 {
  display: flex;
  align-items: center;
  gap: 8px;
}
.feed-index {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 400;
  flex-shrink: 0;
}
.feed-title {
  flex: 1;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color 0.2s;
}
.feed-row:hover .feed-title { color: var(--primary); }
.feed-arrow {
  font-size: 12px;
  color: var(--text-muted);
  flex-shrink: 0;
  opacity: 0.35;
  transition: all 0.2s;
}
.feed-row:hover .feed-arrow { color: var(--primary); opacity: 1; transform: translateX(3px); }

/* 第二行：元信息 */
.feed-line2 {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.feed-meta {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* 列表为空 */
.feed-empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}
.feed-empty-icon {
  font-size: 36px;
  display: block;
  margin-bottom: 8px;
  opacity: 0.5;
}
.feed-empty-link {
  display: inline-block;
  margin-top: 12px;
  padding: 8px 20px;
  background: linear-gradient(135deg, #7c3aed, #a855f7);
  color: #fff;
  border-radius: 8px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s;
}
.feed-empty-link:hover { opacity: 0.9; transform: translateY(-1px); }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 24px;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-warm), #a8c4e0);
  opacity: 0;
  transition: opacity var(--transition);
}
.card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  background: linear-gradient(135deg, #fff 0%, #faf8f5 100%);
}
.card:hover::before { opacity: 1; }
.card-title {
  font-size: 15px; font-weight: 700; color: var(--text);
  padding-bottom: 10px; margin-bottom: 10px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  line-height: 1.5; letter-spacing: 0.02em;
}
.card-meta {
  font-size: 12px; color: var(--text-muted);
  display: flex; gap: 14px; flex-wrap: wrap;
  padding-bottom: 8px; margin-bottom: 8px;
  border-bottom: 1px dashed var(--border);
}
.card-meta span {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; background: #f8fafc; border-radius: 6px;
  white-space: nowrap;
}
.card-content {
  font-size: 13px; color: var(--text-secondary); line-height: 1.75;
  margin-bottom: 10px;
  display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden;
}
.card-tags {
  display: flex; gap: 6px; flex-wrap: wrap;
  padding-top: 10px; margin-top: 10px;
  border-top: 1px solid var(--border);
}
.card-origin {
  font-size: 12px; margin-top: 10px; padding-top: 10px;
  border-top: 1px dashed var(--border);
}
.card-origin a {
  color: var(--primary); text-decoration: none; font-weight: 500;
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 12px; background: var(--primary-light); border-radius: 6px;
  transition: background 0.15s;
}
.card-origin a:hover { background: #d6e4ff; text-decoration: none; }

/* 问题库 Q&A 高亮 */
.qa-highlight-q, .qa-highlight-a {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 14px; border-radius: 10px; margin-bottom: 8px;
  line-height: 1.7; font-size: 13px;
  transition: background var(--transition);
}
.qa-highlight-q {
  background: linear-gradient(135deg, #fef9ec 0%, #fef5e0 100%);
  border-left: 3px solid #d4a017;
}
.qa-highlight-a {
  background: linear-gradient(135deg, #eef6f0 0%, #e3f5ea 100%);
  border-left: 3px solid #52a87a;
}
.qa-badge {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 26px; height: 26px; border-radius: 6px;
  font-size: 13px; font-weight: 700; flex-shrink: 0;
}
.qa-badge-q { background: #d4a017; color: #fff; }
.qa-badge-a { background: #52a87a; color: #fff; }
.qa-highlight-text { flex: 1; color: var(--text-secondary); word-break: break-word; }

/* 详情弹窗中的 Q&A 高亮 */
.modal-content-qa .qa-detail-q,
.modal-content-qa .qa-detail-a {
  padding: 12px 16px; border-radius: 8px; margin-bottom: 12px;
  line-height: 1.8;
}
.modal-content-qa .qa-detail-q {
  background: #fef5e0; border-left: 4px solid #e8a220;
}
.modal-content-qa .qa-detail-a {
  background: #eef6f0; border-left: 4px solid #3b82f6;
}
.modal-content-qa .qa-detail-label {
  display: inline-block; padding: 2px 10px; border-radius: 4px;
  font-size: 12px; font-weight: 700; margin-bottom: 8px;
}
.modal-content-qa .qa-detail-q .qa-detail-label { background: #d4a017; color: #fff; }
.modal-content-qa .qa-detail-a .qa-detail-label { background: #3b82f6; color: #fff; }
.new-badge {
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #d4736a, #e8767a);
  color: #fff; font-size: 10px; font-weight: 700;
  padding: 2px 7px; border-radius: 4px;
  margin-left: 8px; letter-spacing: 0.6px;
  vertical-align: middle; line-height: 1;
  animation: newPulse 1.8s ease-in-out infinite;
}
@keyframes newPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(220,38,38,0.4); }
  50% { box-shadow: 0 0 0 4px rgba(220,38,38,0); }
}
.tag {
  display: inline-block; padding: 3px 12px; border-radius: 6px; font-size: 12px;
  background: var(--primary-light); color: var(--primary);
}

.pagination {
  display: flex; justify-content: center; align-items: center; gap: 8px;
  margin: 24px 0; font-size: 14px;
}
.pagination-inner {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: center;
}
.pagination button {
  padding: 6px 14px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--card); cursor: pointer; font-size: 13px; color: var(--text);
  transition: all 0.15s; user-select: none; white-space: nowrap;
}
.pagination button:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.pagination button:disabled { opacity: 0.35; cursor: not-allowed; color: var(--text-muted); }
.pagination button.active {
  background: var(--primary); color: #fff; border-color: var(--primary);
  font-weight: 600; cursor: default;
}
.pagination .page-nav-btn {
  font-size: 13px; padding: 6px 12px;
}
.pagination .page-numbers {
  display: flex; align-items: center; gap: 4px;
}
.pagination .page-ellipsis {
  padding: 6px 4px; color: var(--text-muted); font-size: 13px;
}
.pagination .page-info {
  font-size: 12px; color: var(--text-muted); margin-left: 8px; white-space: nowrap;
}
.pagination .page-btn {
  min-width: 36px; text-align: center;
}

.qa-section { margin: 32px 0; }
.qa-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; margin-bottom: 12px; cursor: pointer; transition: all 0.2s;
}
.qa-card:hover { border-color: var(--primary); box-shadow: 0 2px 12px rgba(26,86,219,0.08); transform: translateY(-1px); }
.qa-card-header {
  display: flex; gap: 14px; font-size: 12px; color: var(--text-muted);
  padding-bottom: 10px; margin-bottom: 12px;
  border-bottom: 1px solid var(--border); flex-wrap: wrap;
}
.qa-card-header span {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; background: #f8fafc; border-radius: 6px;
}
.qa-asker { color: #64748b; }
.qa-expert { color: #2563eb; font-weight: 500; }
.qa-time { color: #94a3b8; }
.qa-question {
  font-size: 15px; font-weight: 600; color: var(--text);
  padding-bottom: 8px; margin-bottom: 8px;
  border-bottom: 1px dashed var(--border);
}
.qa-answer {
  font-size: 14px; color: var(--text-secondary); line-height: 1.75;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.qa-meta {
  font-size: 12px; color: var(--text-muted);
  margin-top: 12px; padding-top: 10px;
  border-top: 1px dashed var(--border);
  display: flex; gap: 16px;
}

.ask-section {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; margin: 32px 0; box-shadow: var(--shadow);
}
.ask-section h3 { font-size: 16px; margin-bottom: 16px; }
.ask-section textarea {
  width: 100%; min-height: 100px; padding: 12px; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 14px; resize: vertical; outline: none;
  font-family: inherit;
}
.ask-section textarea:focus { border-color: var(--primary); }
.ask-suggestion-input {
  margin-top: 12px;
  min-height: 80px !important;
  background: #fefce8;
  border-color: #fde68a !important;
  font-size: 13px !important;
}
.ask-suggestion-input:focus { border-color: #f59e0b !important; background: #fffbeb; }
.ask-suggestion-input::placeholder { color: #a16207; }

/* 提问表单网格 */
.ask-form-grid { margin-bottom: 14px; }
.ask-form-row { display: inline-block; width: calc(50% - 8px); margin-right: 12px; margin-bottom: 10px; vertical-align: top; }
.ask-form-row:nth-child(even) { margin-right: 0; }
.ask-form-row-full { display: block; width: 100%; margin-right: 0; }
.ask-form-row label { display: block; font-size: 12px; font-weight: 600; color: var(--text-secondary); margin-bottom: 4px; }
.ask-form-row .ask-input { width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; outline: none; background: #fff; transition: border-color 0.2s; box-sizing: border-box; }
.ask-form-row .ask-input:focus { border-color: var(--primary); }
.ask-checkbox-group { display: flex; flex-wrap: wrap; gap: 6px 14px; }
.ask-checkbox { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; color: var(--text); cursor: pointer; }
.ask-checkbox input[type="checkbox"] { width: 14px; height: 14px; accent-color: var(--primary); }

/* meta-tag 标签样式 */
.meta-tag { display: inline-block; font-size: 11px; padding: 2px 8px; background: #f1f5f9; border: 1px solid #e2e8f0; border-radius: 10px; color: #475569; margin-right: 4px; margin-bottom: 2px; }
.ask-row { display: flex; gap: 12px; margin-top: 12px; align-items: center; flex-wrap: wrap; }
.ask-row input { flex: 1; padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 13px; outline: none; min-width: 120px; }
.ask-row select { padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 13px; outline: none; }
.ask-msg { margin-top: 8px; font-size: 13px; }

/* 问答广场空状态紧凑 */
#qaSection .empty-state { padding: 20px 16px; font-size: 13px; }

/* 提问附件上传 */
.ask-attach-area {
  margin-top: 12px;
}
.ask-attach-label {
  font-size: 13px; color: var(--text-secondary); margin-bottom: 6px;
}
.ask-attach-input {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px; border: 1px dashed var(--border); border-radius: var(--radius);
  font-size: 13px; color: var(--text-secondary); cursor: pointer; transition: all 0.15s;
  background: var(--bg);
}
.ask-attach-input:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.ask-attach-input input[type="file"] { display: none; }
.ask-attach-row {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.attach-preview {
  display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px;
}
.attach-item {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; background: var(--primary-light); border-radius: 6px;
  font-size: 12px; color: var(--primary); max-width: 240px;
}
.attach-item .attach-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.attach-item .attach-remove {
  cursor: pointer; opacity: 0.6; font-size: 14px; line-height: 1;
}
.attach-item .attach-remove:hover { opacity: 1; color: var(--danger); }

.footer {
  text-align: center; padding: 24px; font-size: 12px; color: var(--text-muted);
  border-top: 1px solid var(--border); margin-top: 48px;
}

.login-section {
  max-width: 400px; margin: 80px auto;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 40px; box-shadow: var(--shadow);
}
.login-section h2 { font-size: 22px; text-align: center; margin-bottom: 24px; }
.login-section input {
  width: 100%; padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 15px; outline: none; margin-bottom: 16px;
}
.login-section input:focus { border-color: var(--primary); }
.login-section .btn { width: 100%; text-align: center; justify-content: center; padding: 12px; font-size: 15px; }

.dashboard { margin: 24px 0; }
.dashboard h2 { font-size: 20px; margin-bottom: 20px; }

.answer-form {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; margin: 24px 0;
}
.answer-form h3 { margin-bottom: 16px; }
.answer-form textarea {
  width: 100%; min-height: 150px; padding: 12px; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 14px; resize: vertical; outline: none;
  font-family: inherit;
}
.answer-form input {
  width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 13px; outline: none; margin: 8px 0;
}
.answer-form .btn-row { display: flex; gap: 10px; margin-top: 12px; }

.empty-state {
  text-align: center;
  padding: 56px 24px 48px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
}
.empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.7;
  animation: gentleFloa 3s ease-in-out infinite;
}
.empty-state-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.empty-state-desc {
  font-size: 13px;
  color: var(--text-muted);
  max-width: 320px;
  margin: 0 auto;
}
@keyframes gentleFloa {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.modal-overlay {
  display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.3); z-index: 200; justify-content: center; align-items: center;
}
.modal {
  background: var(--card); border-radius: 14px; padding: 28px 32px;
  max-width: 800px; width: 94%; max-height: 88vh; overflow-y: auto;
  box-shadow: 0 24px 80px rgba(0,0,0,0.18);
}
.modal h3 {
  margin-bottom: 12px; font-size: 15px; color: var(--text);
  line-height: 1.5; word-break: break-word; padding-right: 40px;
}
.modal .close-btn {
  float: right; border: none; background: #f1f5f9; font-size: 20px; cursor: pointer;
  color: #64748b; line-height: 1; width: 32px; height: 32px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center; transition: background 0.15s;
  position: absolute; top: 20px; right: 20px;
}
.modal .close-btn:hover { background: #e2e8f0; }
.detail-meta-row {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 12px 0 16px; margin-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.detail-meta-item {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 5px 12px; background: #f8fafc; border-radius: 8px;
  font-size: 13px; color: #64748b;
}
.detail-meta-item .meta-key { font-weight: 600; color: #475569; }
.detail-meta-item .meta-val { color: var(--text); font-weight: 500; }

/* 详情区块 - 带图标标题的卡片式区块 */
.detail-block {
  background: #fefdfb; border-radius: 14px;
  padding: 20px 24px; margin-bottom: 16px;
  border: 1px solid #ede8e0;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition);
}
.detail-block:hover {
  box-shadow: var(--shadow-md);
}
.detail-block-header {
  font-size: 15px; font-weight: 700;
  color: var(--text);
  margin-bottom: 10px; display: flex; align-items: center; gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid #f3f0ea;
  letter-spacing: 0.02em;
}
.detail-block-icon { font-size: 18px; }
.detail-block-body {
  font-size: 14.5px; line-height: 1.9; color: #2d2a25;
  white-space: pre-wrap; word-break: break-word;
  letter-spacing: 0.015em;
}

/* 内容中的自动识别链接 */
.content-link {
  color: #2563eb; text-decoration: underline;
  word-break: break-all;
}
.content-link:hover { color: #1d4ed8; }
.content-link:visited { color: #7c3aed; }

/* 问题区块 — 暖橙色系 */
.detail-block-q { border-left: 4px solid #e8a220; background: #fefcf5; }
.detail-block-q .detail-block-header { color: #b3740e; }

/* 处理预案区块 — 温暖琥珀色系 */
.detail-block-user-plan { border-left: 4px solid #d4a017; background: #fef9e7; }
.detail-block-user-plan .detail-block-header { color: #92400e; }

/* 答复区块 — 温暖绿色系 */
.detail-block-a { border-left: 4px solid #52a87a; background: #f5faf7; }
.detail-block-a .detail-block-header { color: #2d7a56; }

/* 政策区块 — 温暖蓝紫色系 */
.detail-block-policy { border-left: 4px solid #6b7fd7; background: #f6f7fd; }
.detail-block-policy .detail-block-header { color: #3d4fad; }

/* 解读区块 — 温暖青色系 */
.detail-block-interp { border-left: 4px solid #3aab9e; background: #f4fbfa; }
.detail-block-interp .detail-block-header { color: #26817a; }

/* 正文区块 — 灰色系 */
.detail-block-content { border-left: 4px solid #64748b; }

/* 结构化正文标签高亮 */
.detail-structured { color: var(--text); }
.detail-label {
  display: inline-block;
  font-weight: 700;
  font-size: 13px;
  color: #2563eb;
  background: linear-gradient(135deg, #eff6ff 0%, #bfdbfe 100%);
  padding: 1px 10px;
  border-radius: 4px;
  margin-right: 4px;
  letter-spacing: 0.5px;
}
.detail-structured br + .detail-label {
  margin-top: 12px;
}

/* 关联区块 */
.detail-block-related { border-left: 4px solid #8b5cf6; background: #faf9ff; }
.detail-block-related .detail-block-header { color: var(--primary); }

/* 风险等级区块 */
.detail-block-risk { border-left: 4px solid #f59e0b; background: #fffbf5; }
.detail-block-risk .detail-block-header { color: #b45309; }

/* 外部链接按钮 */
.detail-source-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; background: var(--primary-light); color: var(--primary);
  border-radius: 8px; font-size: 13px; font-weight: 600; text-decoration: none;
  transition: background 0.15s;
}
.detail-source-link:hover { background: #d6e4ff; text-decoration: none; }

.source-form {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; margin: 16px 0;
}
.source-form input, .source-form select {
  padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 13px; outline: none; margin: 4px 0; width: 100%;
}

/* ===== AI 聊天界面 ===== */
.chat-section {
  display: flex; flex-direction: column;
  height: calc(100vh - 280px); min-height: 500px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow);
}
.chat-header {
  padding: 14px 20px; background: linear-gradient(135deg, var(--primary), var(--primary-warm));
  color: #fff; font-size: 14px; display: flex; align-items: center; gap: 8px;
}
.chat-header .dot { width: 8px; height: 8px; border-radius: 50%; background: #4ade80; }
.chat-messages {
  flex: 1; overflow-y: auto; padding: 20px;
  display: flex; flex-direction: column; gap: 16px;
  background: #f0f4f8;
}
.chat-msg {
  display: flex; gap: 10px; max-width: 85%;
  animation: fadeIn 0.3s ease;
}
.chat-msg.user { align-self: flex-end; flex-direction: row-reverse; }
.chat-msg.assistant { align-self: flex-start; }
.chat-msg-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; flex-shrink: 0;
}
.chat-msg.user .chat-msg-avatar { background: linear-gradient(135deg, var(--primary), var(--primary-warm)); color: #fff; }
.chat-msg.assistant .chat-msg-avatar { background: #e8f0fe; }
.chat-msg-bubble {
  padding: 12px 16px; border-radius: 12px; font-size: 14px; line-height: 1.7;
  word-break: break-word;
}
.chat-msg.user .chat-msg-bubble {
  background: linear-gradient(135deg, var(--primary), var(--primary-warm)); color: #fff;
  border-bottom-right-radius: 4px;
}
.chat-msg.assistant .chat-msg-bubble {
  background: #fff; color: var(--text);
  border-bottom-left-radius: 4px;
  box-shadow: var(--shadow);
}
.chat-msg-bubble .ref-block {
  margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--border);
  font-size: 12px; color: var(--text-secondary);
}
.chat-msg-bubble .ref-item {
  display: flex; align-items: flex-start; gap: 6px; margin-top: 6px;
  padding: 6px 8px; background: var(--bg); border-radius: 6px;
}
.chat-msg-bubble .ref-num {
  background: linear-gradient(135deg, var(--primary), var(--primary-warm)); color: #fff; width: 18px; height: 18px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 10px; flex-shrink: 0;
}
.chat-msg-bubble .ref-text { flex: 1; }
.chat-msg-bubble .ref-source { color: var(--primary); font-size: 11px; }
.chat-msg-bubble .ref-clickable {
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  border: 1px solid transparent;
}
.chat-msg-bubble .ref-clickable:hover {
  background: var(--primary-light);
  border-color: var(--primary);
}
.chat-msg-bubble .ref-arrow {
  color: var(--text-muted);
  font-size: 14px;
  flex-shrink: 0;
  margin-left: 4px;
  opacity: 0;
  transition: opacity 0.15s;
}
.chat-msg-bubble .ref-clickable:hover .ref-arrow {
  opacity: 1;
  color: var(--primary);
}

.chat-input-area {
  padding: 12px 16px; border-top: 1px solid var(--border);
  background: #fff; position: relative;
}
.chat-input-area .input-card {
  display: flex; gap: 10px; align-items: flex-end;
  padding: 8px 12px; background: #f8fafc;
  border: 1px solid var(--border); border-radius: 12px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.chat-input-area .input-card:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,86,219,0.08);
}
.chat-input-area textarea {
  flex: 1; padding: 8px 4px; border: none; border-radius: 0;
  font-size: 15px; outline: none; resize: none;
  font-family: inherit; min-height: 48px; max-height: 150px;
  line-height: 1.6; background: transparent;
}
.chat-input-area textarea::placeholder { color: #94a3b8; }
.chat-input-area textarea:focus { border-color: transparent; }
.chat-input-area button {
  padding: 8px 22px; background: linear-gradient(135deg, var(--primary), var(--primary-warm)); color: #fff;
  border: none; border-radius: 8px; cursor: pointer; font-size: 14px;
  white-space: nowrap; font-weight: 500;
  transition: background 0.2s, transform 0.1s;
}
.chat-input-area button:hover { background: var(--primary-dark); }
.chat-input-area button:active { transform: scale(0.97); }
.chat-input-area button:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.chat-input-area .input-hint {
  font-size: 11px; color: #94a3b8; text-align: center;
  margin-top: 6px;
}

.chat-typing {
  align-self: flex-start; padding: 8px 16px; font-size: 13px;
  color: var(--text-muted); display: flex; align-items: center; gap: 6px;
}
.chat-typing .dots span {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--text-muted); margin: 0 2px;
  animation: bounce 1.4s infinite ease-in-out both;
}
.chat-typing .dots span:nth-child(1) { animation-delay: -0.32s; }
.chat-typing .dots span:nth-child(2) { animation-delay: -0.16s; }

.chat-empty {
  padding: 40px 20px 20px; margin: auto 0;
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; color: var(--text-muted); gap: 6px;
}
.chat-empty .icon { font-size: 28px; margin-bottom: 2px; opacity: 0.6; }
.chat-empty .hint { font-size: 13px; text-align: center; line-height: 1.6; max-width: 360px; }
.chat-empty .suggestions {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;
  margin-top: 14px; max-width: 420px;
}
.chat-empty .suggest-chip {
  padding: 6px 14px; border: 1px solid var(--border);
  border-radius: 20px; font-size: 12px; color: var(--primary);
  background: #fff; cursor: pointer; transition: all 0.2s;
  white-space: nowrap;
}
.chat-empty .suggest-chip:hover {
  background: linear-gradient(135deg, var(--primary), var(--primary-warm)); color: #fff; border-color: var(--primary);
}

.ai-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 4px; font-size: 10px;
  background: linear-gradient(135deg, #6b7fd7, #8b5cf6);
  color: #fff; margin-left: 8px;
}

@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes bounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

@media (max-width: 768px) {
  .header .container { flex-direction: column; gap: 8px; }
  .stats-bar { flex-direction: column; }
  .filters { flex-direction: column; }
  .search-box { flex-direction: column; }
  .search-box button { width: 100%; }
  .ai-search-box { flex-direction: column; }
  .ai-search-box button { width: calc(100% - 16px); margin: 0 8px 8px; }
  .tabs { flex-wrap: wrap; }
  .chat-section { height: calc(100vh - 220px); }
  .chat-msg { max-width: 95%; }
  .chat-input-area textarea { font-size: 16px; }
}

/* ===== 全屏登录页（专业版） ===== */
.login-page {
  display: flex;
  min-height: 100vh;
  background: #f0f4f8;
  font-family: "Noto Sans SC", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", Inter, -apple-system, BlinkMacSystemFont, sans-serif;
}

/* 左侧品牌区 */
.login-brand {
  flex: 0 0 48%;
  background: linear-gradient(160deg, #0f172a 0%, #1e3a5f 30%, #2563eb 65%, #3b82f6 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  padding: 60px 40px;
  position: relative;
  overflow: hidden;
}
.login-brand::before {
  content: '';
  position: absolute;
  top: -30%; right: -20%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
  border-radius: 50%;
}
.login-brand::after {
  content: '';
  position: absolute;
  bottom: -10%; left: -10%;
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 70%);
  border-radius: 50%;
}
.brand-logo {
  width: 80px;
  height: 80px;
  margin-bottom: 24px;
  background: rgba(255,255,255,0.15);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  position: relative;
  z-index: 1;
}
.brand-logo svg {
  width: 44px; height: 44px;
}
.login-brand h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 2px;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0,0,0,0.15);
  position: relative;
  z-index: 1;
}
.brand-subtitle {
  font-size: 16px;
  opacity: 0.85;
  margin-bottom: 48px;
  font-weight: 500;
  position: relative;
  z-index: 1;
}
.brand-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
  position: relative;
  z-index: 1;
  max-width: 380px;
}
.feature-item {
  font-size: 15px;
  opacity: 0.92;
  padding: 10px 18px;
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  width: 100%;
  text-align: left;
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255,255,255,0.08);
  transition: all 0.2s;
}
.feature-item:hover {
  background: rgba(255,255,255,0.18);
  transform: translateX(4px);
}

/* 右侧表单区 */
.login-form-section {
  flex: 0 0 52%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}
.login-card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  padding: 48px 40px;
  border-radius: 16px;
  box-shadow: 0 4px 40px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
  border: 1px solid rgba(0,0,0,0.04);
}
.form-header {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 32px;
  letter-spacing: 0.5px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #475569;
  margin-bottom: 7px;
  letter-spacing: 0.3px;
  text-transform: none;
}
.form-group input,
.form-group select {
  width: 100%;
  padding: 13px 16px;
  font-size: 15px;
  border: 1.5px solid #e2e8f0;
  border-radius: 10px;
  outline: none;
  transition: all 0.2s ease;
  background: #f8fafc;
  box-sizing: border-box;
  font-family: inherit;
  color: var(--text);
  appearance: none;
  -webkit-appearance: none;
}
.form-group input:hover,
.form-group select:hover {
  border-color: #cbd5e1;
  background: #f1f5f9;
}
.form-group input:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(26,86,219,0.08), 0 1px 2px rgba(0,0,0,0.04);
  background: #fff;
}
.form-group input::placeholder {
  color: #94a3b8;
  font-size: 14px;
}
/* 角色下拉框自定义箭头 */
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}
.form-msg {
  font-size: 13px;
  text-align: center;
  margin-bottom: 14px;
  min-height: 20px;
  color: var(--danger);
  font-weight: 500;
}
.form-msg.success { color: var(--success); }
.btn-login {
  width: 100%;
  padding: 14px 0;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 6px;
  box-shadow: 0 4px 14px rgba(26,86,219,0.3);
  position: relative;
  overflow: hidden;
}
.btn-login:hover {
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%);
  box-shadow: 0 6px 20px rgba(26,86,219,0.4);
  transform: translateY(-1px);
}
.btn-login:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(26,86,219,0.2);
}
.btn-login:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.form-switch {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
  color: #94a3b8;
}
.form-switch a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  margin-left: 4px;
  cursor: pointer;
  transition: color 0.15s;
}
.form-switch a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}
.form-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 8px 0 12px;
  color: #cbd5e1;
  font-size: 12px;
}
.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: #e2e8f0;
}

/* 成功提示卡片 */
.success-card-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, #ecfdf5, #d1fae5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
}
.success-card-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}
.success-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}
.success-card-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 500;
  cursor: pointer;
  font-size: 14px;
  transition: color 0.15s;
}
.success-card-back:hover {
  color: var(--primary-dark);
}

/* 响应式：窄屏时上下布局 */
@media (max-width: 768px) {
  .login-page { flex-direction: column; }
  .login-brand {
    flex: 0 0 auto;
    padding: 40px 24px 36px;
  }
  .login-brand::before,
  .login-brand::after { display: none; }
  .brand-logo {
    width: 60px; height: 60px;
    border-radius: 14px; margin-bottom: 16px;
  }
  .brand-logo svg { width: 32px; height: 32px; }
  .login-brand h1 { font-size: 22px; }
  .brand-subtitle { margin-bottom: 24px; }
  .brand-features { display: none; }
  .login-form-section {
    flex: 1;
    padding: 0 16px 40px;
    background: #fff;
  }
  .login-card {
    padding: 32px 24px;
    box-shadow: none;
    border: none;
    border-radius: 0;
  }
}