:root {
  --primary: #1677ff;
  --primary-light: #e6f4ff;
  --red: #ff4d4f;
  --red-light: #fff1f0;
  --red-dark: #cf1322;
  --text-primary: #1f1f1f;
  --text-secondary: #666;
  --text-muted: #999;
  --border: #e8e8e8;
  --bg-page: #f0f4f8;
  --bg-card: #fff;
  --sidebar-width: 200px;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

/* ===== 顶部工具栏 ===== */
.top-toolbar {
  display: none;
}

.toolbar-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 16px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
}

.toolbar-link {
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
}

.toolbar-link:hover {
  color: var(--primary);
}

/* ===== 页头 Banner ===== */
.portal-header {
  background: linear-gradient(135deg, #e8f0fe 0%, #f5f8fc 40%, #fff 100%);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.portal-header::before {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 60%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 800 200'%3E%3Cpath d='M600 0 L800 0 L800 200 L500 200 Z' fill='%23f0f5ff' opacity='0.6'/%3E%3Cpath d='M650 50 L750 30 L780 120 L680 150 Z' fill='%23e6f0ff' opacity='0.4'/%3E%3C/svg%3E") no-repeat right center;
  background-size: cover;
  pointer-events: none;
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  position: relative;
  z-index: 1;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.logo-cn {
  font-size: 16px;
  font-weight: 700;
  color: #e60012;
  display: block;
}

.logo-en {
  font-size: 10px;
  color: var(--text-muted);
}

.header-title {
  flex: 1;
  text-align: center;
}

.header-title h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 2px;
}

.header-title p {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.header-ai-entry {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 6px 5px 8px;
  width: 320px;
  max-width: 100%;
  flex-shrink: 0;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.header-ai-entry:focus-within {
  border-color: rgba(255, 77, 79, 0.42);
  box-shadow: 0 0 0 3px rgba(255, 77, 79, 0.08);
}

.header-ai-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 50%;
  flex-shrink: 0;
  padding: 0;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.header-ai-avatar:hover {
  transform: scale(1.08);
  filter: drop-shadow(0 4px 10px rgba(255, 77, 79, 0.35));
}

.header-ai-logo {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
}

.header-ai-input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  font-size: 13px;
  font-family: inherit;
  background: transparent;
  color: var(--text-primary);
}

.header-ai-input::placeholder {
  color: var(--text-muted);
}

.header-ai-send {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s, transform 0.15s;
}

.header-ai-send:hover {
  background: var(--red-dark);
  transform: scale(1.05);
}

/* ===== 吸顶 AI 输入栏 ===== */
.ai-sticky {
  position: fixed;
  top: 8px;
  right: 24px;
  z-index: 300;
  transform: translateY(-150%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.28s ease, opacity 0.28s ease;
}

.ai-sticky.visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* ===== 主体布局 ===== */
.portal-body {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  grid-template-rows: auto 1fr;
  column-gap: 12px;
  padding: 0 16px 24px;
}

/* ===== 左侧导航 ===== */
.portal-sidebar-top {
  grid-column: 1;
  grid-row: 1;
  margin-top: 12px;
  background: var(--bg-card);
  border-radius: var(--radius) var(--radius) 0 0;
  box-shadow: var(--shadow);
  border-bottom: 1px solid var(--border);
}

.portal-sidebar-nav {
  grid-column: 1;
  grid-row: 2;
  background: var(--bg-card);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 180px);
  overflow-y: auto;
}

.portal-sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--bg-card);
  border-radius: var(--radius);
  margin-top: 12px;
  padding: 16px 0;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 180px);
  overflow-y: auto;
}

.user-card {
  text-align: center;
  padding: 20px 16px 16px;
  border-bottom: none;
}

.user-avatar {
  margin-bottom: 8px;
}

.user-avatar-svg {
  width: 68px;
  height: 68px;
  display: block;
  margin: 0 auto;
  border-radius: 50%;
}

.user-greeting {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
}

.sidebar-nav {
  flex: 1;
  padding: 0;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s;
}

.nav-item:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.nav-item.active {
  background: #0958d9;
  color: #fff;
  border-radius: 0;
}

.nav-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.nav-icon-home {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23666'%3E%3Cpath d='M10 20v-6h4v6h5v-8h3L12 3 2 12h3v8z'/%3E%3C/svg%3E");
}

.nav-item.active .nav-icon-home {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23fff'%3E%3Cpath d='M10 20v-6h4v6h5v-8h3L12 3 2 12h3v8z'/%3E%3C/svg%3E");
}

.nav-icon-contacts {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpath d='M17 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='9' cy='7' r='4'/%3E%3Cpath d='M23 21v-2a4 4 0 0 0-3-3.87M16 3.13a4 4 0 0 1 0 7.75'/%3E%3C/svg%3E");
}

.nav-icon-group {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Crect x='3' y='3' width='18' height='18' rx='2'/%3E%3Cpath d='M3 9h18M9 21V9'/%3E%3C/svg%3E");
}

.nav-icon-help {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3M12 17h.01'/%3E%3C/svg%3E");
}

.nav-icon-feedback {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpath d='M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z'/%3E%3C/svg%3E");
}

.nav-icon-download {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpath d='M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4M7 10l5 5 5-5M12 15V3'/%3E%3C/svg%3E");
}

.sidebar-qr {
  padding: 16px;
  text-align: center;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.sidebar-qr-title {
  font-size: 13px;
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 10px;
}

.sidebar-qr-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 8px;
}

.sidebar-qr-qq {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.qr-code {
  width: 96px;
  height: 96px;
  margin: 0 auto;
  padding: 6px;
  background:
    linear-gradient(90deg, #222 2px, transparent 2px) 0 0 / 8px 8px,
    linear-gradient(#222 2px, transparent 2px) 0 0 / 8px 8px,
    #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-code-inner {
  width: 28px;
  height: 28px;
  background: #fff;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 2px #fff;
}

.qr-logo {
  width: 22px;
  height: 22px;
  object-fit: contain;
}

.qr-placeholder {
  width: 80px;
  height: 80px;
  background: #f5f5f5;
  border: 1px dashed var(--border);
  border-radius: 4px;
  margin: 0 auto 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
}

/* ===== 主内容区 ===== */
.portal-main {
  grid-column: 2;
  grid-row: 1 / span 2;
  flex: 1;
  min-width: 0;
  padding: 0;
  margin-top: 12px;
}

/* ===== 内容 Tab ===== */
.main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 12px;
  align-items: start;
}

.center-column {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.app-section {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.content-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  background: transparent;
  border-bottom: 2px solid var(--primary);
  overflow-x: auto;
}

.tab {
  padding: 10px 16px;
  border: none;
  background: transparent;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  font-family: inherit;
  transition: all 0.2s;
}

.tab-badge {
  color: var(--red);
  font-weight: 500;
}

.tab.active .tab-badge {
  color: #fff;
}

.tab:hover {
  color: var(--primary);
}

.tab.active {
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius) var(--radius) 0 0;
}

/* ===== 内容网格 ===== */
.content-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 12px;
  margin-top: 12px;
}

.app-grid-card {
  background: transparent;
  border-radius: 0;
  padding: 20px 16px 16px;
  box-shadow: none;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 16px 12px;
}

.app-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 12px;
  padding: 8px 4px;
  border-radius: var(--radius);
  transition: all 0.2s;
}

.app-item:hover {
  background: var(--primary-light);
  color: var(--primary);
  transform: translateY(-2px);
}

.app-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.app-icon-more {
  background: #f0f2f5 !important;
  color: #999 !important;
  font-size: 24px;
  font-weight: 300;
  line-height: 1;
}

.app-item-more:hover .app-icon-more {
  background: var(--primary-light) !important;
  color: var(--primary) !important;
}

/* ===== 右侧组件 ===== */
.right-widgets {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.widget-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.widget-tabs {
  display: flex;
  align-items: center;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin: -16px -16px 12px;
  padding: 0 8px 0 16px;
}

.widget-more-link {
  margin-left: auto;
  padding: 10px 8px;
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  white-space: nowrap;
}

.widget-more-link:hover {
  color: var(--primary);
}

.widget-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.widget-title-inline {
  font-size: 14px;
  font-weight: 600;
  margin: 0;
  padding: 0;
  border: none;
}

.widget-scroll-btn {
  width: 24px;
  height: 24px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: #fff;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s;
}

.widget-scroll-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.widget-tab {
  padding: 10px 12px;
  border: none;
  background: transparent;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: inherit;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.widget-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 500;
}

.widget-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

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

.notice-list li {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  padding: 7px 0;
  font-size: 13px;
  border-bottom: 1px dashed var(--border);
}

.notice-list li:last-child {
  border-bottom: none;
}

.notice-title {
  color: var(--text-primary);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.quick-nav-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.quick-nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: #f8f9fb;
  border-radius: 6px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 12px;
  transition: all 0.2s;
}

.quick-nav-item:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.qn-icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
}

/* ===== 底部区域 ===== */
.bottom-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 12px;
  margin-top: 12px;
}

.bottom-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

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

.info-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
}

.info-list li:last-child {
  border-bottom: none;
}

.info-list li::before {
  content: "·";
  color: var(--text-muted);
  flex-shrink: 0;
  margin-right: -4px;
}

.info-link {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  color: var(--text-primary);
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color 0.2s;
}

.info-link:hover {
  color: var(--primary);
}

.info-link-unread {
  font-weight: 600;
  color: var(--text-primary);
}

.info-date {
  flex-shrink: 0;
  font-size: 12px;
  color: var(--text-muted);
}

.info-list-compact li {
  padding: 7px 0;
}

.schedule-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.schedule-header .widget-title-inline {
  flex-shrink: 0;
}

.schedule-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
  min-width: 0;
}

.schedule-date-label {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.schedule-nav-btn {
  width: 24px;
  height: 24px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fff;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s;
}

.schedule-nav-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.schedule-more {
  margin-left: 0;
  padding: 0;
  flex-shrink: 0;
}

.schedule-week {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border);
}

.schedule-day {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 6px 0;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
}

.schedule-day:hover {
  background: var(--primary-light);
}

.schedule-day .day-label {
  font-size: 12px;
  color: var(--text-muted);
}

.schedule-day .day-num {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
}

.schedule-day.today {
  background: var(--primary);
}

.schedule-day.today .day-label,
.schedule-day.today .day-num {
  color: #fff;
}

.schedule-events {
  list-style: none;
  min-height: 120px;
}

.schedule-event {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 13px;
}

.schedule-event:last-child {
  border-bottom: none;
}

.event-time {
  color: var(--primary);
  font-weight: 500;
  font-size: 12px;
}

.event-title {
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.event-place {
  color: var(--text-muted);
  font-size: 12px;
  flex-shrink: 0;
}

.news-card,
.read-card,
.telecom-card {
  min-height: 220px;
}

.schedule-card {
  min-height: 280px;
}

.bottom-grid-spacer {
  min-height: 0;
}

.email-card .widget-header-row {
  margin-bottom: 0;
}

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

.email-item {
  border-bottom: 1px dashed var(--border);
}

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

.email-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 0;
  text-decoration: none;
  transition: background 0.2s;
}

.email-link:hover .email-subject {
  color: var(--primary);
}

.email-subject {
  font-size: 13px;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color 0.2s;
}

.email-item-unread .email-subject {
  font-weight: 600;
}

.email-item-unread .email-subject::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  margin-right: 6px;
  vertical-align: middle;
  transform: translateY(-1px);
}

.email-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
}

.email-from {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.email-date {
  flex-shrink: 0;
}

.efficiency-card {
  padding-bottom: 14px;
}

.efficiency-head {
  display: flex;
  gap: 16px;
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.efficiency-head-item {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
}

.efficiency-head-item.active {
  color: var(--text-primary);
}

.efficiency-links {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.efficiency-link {
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  white-space: nowrap;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.efficiency-link:hover {
  color: var(--primary);
}

.efficiency-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.empty-hint {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  padding: 24px 0;
}

/* ===== AI 对话面板（参考截图优化） ===== */
.ai-chat-panel {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 480px;
  height: min(720px, calc(100vh - 48px));
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: row;
  z-index: 200;
  overflow: hidden;
  animation: slideUp 0.3s ease;
  border: 1px solid #ebebeb;
  transition: width 0.28s ease, height 0.28s ease, right 0.28s ease, bottom 0.28s ease, border-radius 0.28s ease;
}

.ai-chat-panel.with-side {
  width: min(1100px, calc(100vw - 48px));
  height: min(800px, calc(100vh - 48px));
}

.ai-chat-panel.fullscreen {
  right: 16px;
  bottom: 16px;
  width: calc(100vw - 32px);
  height: calc(100vh - 32px);
  border-radius: 8px;
}

.ai-chat-panel.fullscreen.with-side {
  width: calc(100vw - 32px);
}

/* 左侧第三屏 */
.ai-side-panel {
  width: 0;
  flex-shrink: 0;
  overflow: hidden;
  border-right: 1px solid transparent;
  display: flex;
  flex-direction: column;
  background: #fff;
  transition: width 0.28s ease, border-color 0.28s ease;
}

.ai-side-panel.third-panel {
  border-left: none;
}

.ai-chat-panel.with-side .ai-side-panel {
  width: min(480px, 44%);
  min-width: 360px;
  border-right-color: #f0f0f0;
}

.ai-chat-panel.fullscreen.with-side .ai-side-panel {
  width: min(520px, 42vw);
}

/* 右侧主对话区 */
.ai-chat-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* 顶部栏 */
.ai-chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid #f0f0f0;
  flex-shrink: 0;
  background: #fff;
}

.ai-chat-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.ai-chat-title {
  font-size: 16px;
  font-weight: 600;
  color: #1f1f1f;
  white-space: nowrap;
}

.ai-new-chat-link {
  border: none;
  background: transparent;
  color: #ff4d4f;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  padding: 0;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.ai-new-chat-link:hover {
  opacity: 0.75;
  text-decoration: underline;
}

.ai-chat-header-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.ai-header-btn {
  width: 34px;
  height: 34px;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #666;
  transition: background 0.2s, color 0.2s;
}

.ai-header-btn:hover {
  background: #f5f5f5;
  color: #333;
}

.ai-header-btn.active {
  background: #fff1f0;
  color: #ff4d4f;
}

.ai-header-close:hover {
  background: #fff1f0;
  color: #ff4d4f;
}

/* 消息区 */
.ai-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: #fff;
}

.chat-msg {
  display: flex;
  gap: 10px;
  max-width: 92%;
}

.chat-msg > .chat-msg-body {
  flex: 1;
  min-width: 0;
}

.chat-msg.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.chat-msg.assistant .chat-msg-avatar {
  background: transparent;
}

.chat-msg.assistant .chat-msg-avatar .ai-logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.chat-msg.user .chat-msg-avatar {
  background: #fff1f0;
  color: #ff4d4f;
}

.chat-msg.user .chat-msg-avatar svg {
  width: 18px;
  height: 18px;
}

.chat-msg-bubble {
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.7;
  word-break: break-word;
}

.chat-msg.assistant .chat-msg-bubble {
  background: transparent;
  color: #333;
  padding: 0;
  border-radius: 0;
}

.chat-msg.user .chat-msg-bubble {
  background: #fff0f3;
  color: #333;
  border: 1px solid #ffe0e6;
  border-top-right-radius: 4px;
}

/* 检索引用条 */
.msg-ref-bar {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  margin-bottom: 8px;
  border: 1px solid #eee;
  border-radius: 8px;
  background: #fff;
  font-size: 13px;
  color: #666;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  text-align: left;
}

.msg-ref-bar:hover,
.msg-ref-bar.active {
  color: #ff4d4f;
  border-color: #ffd6d6;
  background: #fffafa;
}

.msg-ref-bar .msg-ref-arrow {
  font-size: 14px;
  color: #bfbfbf;
  margin-left: 2px;
}

.msg-ref-bar.active .msg-ref-arrow {
  color: #ff4d4f;
}

/* 正文内文件引用 */
.msg-cite-link {
  display: inline;
  padding: 1px 6px;
  margin: 0 2px;
  border: none;
  border-radius: 4px;
  background: #f5f5f5;
  color: #ff4d4f;
  font-size: inherit;
  font-family: inherit;
  line-height: inherit;
  cursor: pointer;
  transition: background 0.2s;
}

.msg-cite-link:hover,
.msg-cite-link.active {
  background: #fff1f0;
}

.msg-cite-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 16px;
  height: 16px;
  margin-left: 2px;
  padding: 0 4px;
  border-radius: 50%;
  background: #f0f0f0;
  color: #999;
  font-size: 11px;
  font-weight: 500;
  vertical-align: super;
  line-height: 1;
}

/* 思考过程 */
.msg-thinking {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  margin-bottom: 8px;
  background: #f7f7f8;
  border: 1px solid #eee;
  border-radius: 8px;
  font-size: 13px;
  color: #666;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s;
}

.msg-thinking:hover {
  background: #f0f0f0;
}

.msg-thinking .thinking-arrow {
  font-size: 11px;
  color: #999;
  transition: transform 0.2s;
}

.msg-thinking.expanded .thinking-arrow {
  transform: rotate(90deg);
}

.msg-thinking-detail {
  display: none;
  padding: 10px 14px;
  margin-bottom: 8px;
  background: #fafafa;
  border-left: 3px solid #ddd;
  border-radius: 0 6px 6px 0;
  font-size: 12px;
  color: #888;
  line-height: 1.6;
}

.msg-thinking-detail.show {
  display: block;
}

/* 消息操作栏 */
.msg-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-top: 10px;
}

.msg-actions-divider {
  width: 1px;
  height: 14px;
  background: #e8e8e8;
  margin: 0 6px;
  flex-shrink: 0;
}

.msg-action-btn {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  transition: background 0.2s, color 0.2s;
  padding: 0;
}

.msg-action-btn:hover {
  background: #f5f5f5;
  color: #666;
}

.msg-action-btn.active,
.msg-action-btn.liked,
.msg-action-btn.disliked {
  color: #ff4d4f;
}

/* 插件按钮（打开第三屏） */
.msg-plugin {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  padding: 0;
  background: transparent;
  border: none;
  font-size: 13px;
  color: #666;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.2s;
}

.msg-plugin:hover,
.msg-plugin.active {
  color: #ff4d4f;
}

.msg-plugin .msg-plugin-count {
  color: #ff4d4f;
  font-weight: 600;
}

.msg-plugin .msg-plugin-arrow {
  color: #bfbfbf;
  font-size: 12px;
}

.chat-msg-bubble.typing::after {
  content: "...";
  animation: typing 1.2s infinite;
}

@keyframes typing {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

.chat-welcome-screen {
  padding: 24px 16px 12px;
  text-align: center;
}

.chat-welcome-title {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 600;
  color: #ff4d4f;
  line-height: 1.4;
}

.chat-welcome-title.hero {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 28px;
  font-weight: 600;
  color: #ff4d4f;
}

.welcome-hi {
  font-style: italic;
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.02em;
}

.welcome-i-dot {
  position: relative;
  font-style: italic;
}

.welcome-i-dot::after {
  content: "";
  position: absolute;
  top: 0.12em;
  right: 0.08em;
  width: 0.22em;
  height: 0.22em;
  background: #fa8c16;
  border-radius: 1px;
}

.welcome-name {
  font-size: 28px;
  font-weight: 600;
  color: #ff4d4f;
}

.chat-welcome-screen.hero .chat-welcome-desc {
  margin-bottom: 28px;
  font-size: 16px;
  color: #999;
}

.chat-welcome-desc {
  margin: 0 auto 20px;
  max-width: 420px;
  font-size: 13px;
  line-height: 1.7;
  color: #ff7875;
}

.chat-welcome-capabilities {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0 auto 14px;
  max-width: 460px;
  text-align: left;
}

.welcome-cap-card {
  padding: 14px 12px;
  background: #fff;
  border: 1px solid #f0f0f0;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.welcome-cap-icon {
  width: 28px;
  height: 28px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
}

.welcome-cap-icon svg {
  width: 18px;
  height: 18px;
}

.welcome-cap-icon.red { background: #fff1f0; color: #ff4d4f; }
.welcome-cap-icon.green { background: #f6ffed; color: #52c41a; }
.welcome-cap-icon.blue { background: #e6f4ff; color: #1677ff; }
.welcome-cap-icon.purple { background: #f9f0ff; color: #722ed1; }

.welcome-cap-title {
  font-size: 14px;
  font-weight: 600;
  color: #333;
  margin-bottom: 4px;
}

.welcome-cap-desc {
  font-size: 12px;
  line-height: 1.5;
  color: #999;
}

.chat-welcome-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 18px;
}

.chat-welcome-dots span {
  width: 16px;
  height: 3px;
  border-radius: 2px;
  background: #f0f0f0;
}

.chat-welcome-dots span.active {
  background: #ff4d4f;
}

.chat-welcome-suggestions {
  max-width: 460px;
  margin: 0 auto;
  text-align: left;
}

.chat-welcome-suggest-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 13px;
  color: #999;
}

.chat-welcome-refresh {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0;
  border: none;
  background: transparent;
  color: #999;
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.2s;
}

.chat-welcome-refresh:hover {
  color: #ff4d4f;
}

.chat-welcome-suggest-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chat-welcome-suggest-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  padding: 10px 14px;
  background: #f7f7f8;
  border: 1px solid #eee;
  border-radius: 8px;
  font-size: 13px;
  color: #555;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  transition: all 0.2s;
}

.chat-welcome-suggest-chip:hover {
  border-color: #ff4d4f;
  color: #ff4d4f;
  background: #fff5f5;
}

.chat-welcome-suggest-chip svg {
  flex-shrink: 0;
  color: #ccc;
}

/* 猜你还想问 — 跟随 AI 消息 */
.msg-suggestions {
  margin-top: 12px;
}

.ai-suggest-label {
  font-size: 13px;
  color: #999;
  display: block;
  margin-bottom: 8px;
}

.ai-suggest-list {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.ai-suggest-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: #f7f7f8;
  border: 1px solid #eee;
  border-radius: 8px;
  font-size: 13px;
  color: #555;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s;
  max-width: 100%;
  text-align: left;
}

.ai-suggest-chip:hover {
  border-color: #ff4d4f;
  color: #ff4d4f;
  background: #fff5f5;
}

.ai-suggest-chip svg {
  flex-shrink: 0;
  color: #ccc;
}

/* 输入区 */
.ai-chat-input-area {
  padding: 0 18px 16px;
  flex-shrink: 0;
}

.ai-attachment-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  margin-bottom: 8px;
  background: #fff5f5;
  border: 1px solid #ffe0e6;
  border-radius: 8px;
  font-size: 12px;
  color: #666;
}

.ai-attachment-icon {
  font-size: 14px;
}

.ai-attachment-text {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ai-attachment-close {
  border: none;
  background: transparent;
  font-size: 16px;
  color: #999;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

.ai-input-box {
  position: relative;
  border: 1px solid #e8e8e8;
  border-radius: 12px;
  background: #fff;
  overflow: visible;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.ai-input-box:focus-within {
  border-color: rgba(255, 77, 79, 0.4);
  box-shadow: 0 0 0 2px rgba(255, 77, 79, 0.08);
}

.ai-input-top {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  column-gap: 8px;
  padding: 12px 14px 6px;
  --input-line-height: 20px;
  --input-default-rows: 3;
}

.ai-agent-chip {
  position: relative;
  z-index: 1;
  grid-column: 1;
  grid-row: 1;
  display: inline-flex;
  align-items: flex-start;
  gap: 4px;
  margin: 0;
  padding: 0 8px;
  border: none;
  border-radius: 6px;
  background: #fff7e6;
  color: #fa8c16;
  font-size: 13px;
  line-height: 20px;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}

.ai-agent-chip:hover,
.ai-agent-chip.open {
  background: #ffe7ba;
}

.ai-agent-menu {
  position: absolute;
  left: 14px;
  bottom: calc(100% + 6px);
  z-index: 10;
  min-width: 140px;
  padding: 6px;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.ai-agent-option {
  display: block;
  width: 100%;
  padding: 8px 12px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: #333;
  font-size: 13px;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
}

.ai-agent-option.active {
  background: #fff7e6;
  color: #fa8c16;
}

.ai-input-box .ai-input-top textarea {
  display: block;
  grid-column: 1 / -1;
  grid-row: 1;
  width: 100%;
  border: none;
  outline: none;
  resize: none;
  margin: 0;
  padding: 0;
  padding-block: 0;
  padding-inline: 0;
  appearance: none;
  -webkit-appearance: none;
  font-size: 13px;
  font-family: inherit;
  color: #333;
  line-height: var(--input-line-height);
  background: transparent;
  min-height: calc(var(--input-line-height) * var(--input-default-rows));
  height: calc(var(--input-line-height) * var(--input-default-rows));
  overflow-y: hidden;
  box-sizing: border-box;
  text-indent: var(--agent-chip-indent, 88px);
  field-sizing: content;
}

.ai-input-box .ai-input-top textarea::placeholder {
  color: #bbb;
}

.ai-input-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 10px 10px;
}

.ai-input-tools-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-tool-btn {
  width: 32px;
  height: 32px;
  border: 1px solid #e8e8e8;
  background: #fff;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  padding: 0;
  transition: all 0.2s;
}

.ai-tool-btn:hover {
  border-color: #d9d9d9;
  color: #666;
}

.ai-tool-btn.active {
  border-color: #ff4d4f;
  color: #ff4d4f;
  background: #fffafa;
}

.ai-tool-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 32px;
  padding: 0 12px;
  border: 1px solid #e8e8e8;
  background: #fff;
  border-radius: 16px;
  font-size: 13px;
  color: #666;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s;
}

.ai-tool-chip:hover,
.ai-tool-chip.active {
  border-color: #ff4d4f;
  color: #ff4d4f;
}

.ai-input-tools-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-upload-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  transition: all 0.2s;
}

.ai-upload-btn:hover {
  background: #f5f5f5;
  color: #666;
}

.ai-upload-btn.has-file {
  color: var(--red);
}

.ai-chat-input-area .ai-send-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #ff4d4f;
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s, transform 0.15s;
}

.ai-chat-input-area .ai-send-btn:hover {
  background: #cf1322;
  transform: scale(1.05);
}

/* ===== 左侧第三屏 - 历史记录 ===== */
.side-history {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.side-history-search {
  padding: 14px 14px 10px;
  flex-shrink: 0;
}

.side-history-search input {
  width: 100%;
  padding: 8px 12px 8px 34px;
  border: 1px solid #eee;
  border-radius: 8px;
  font-size: 13px;
  outline: none;
  font-family: inherit;
  background: #fafafa url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E") no-repeat 10px center;
  transition: border-color 0.2s;
}

.side-history-search input:focus {
  border-color: #ff4d4f;
  background-color: #fff;
}

.side-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 14px 10px;
  flex-shrink: 0;
}

.side-history-collapse {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  border-radius: 6px;
  cursor: pointer;
  color: #999;
}

.side-history-collapse:hover {
  background: #f5f5f5;
  color: #333;
}

.side-history-header h4 {
  font-size: 14px;
  font-weight: 600;
  color: #333;
}

.side-history-list {
  list-style: none;
  overflow-y: auto;
  flex: 1;
  padding: 0 8px 12px;
}

.side-history-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
  margin-bottom: 2px;
  position: relative;
}

.side-history-item:hover {
  background: #fafafa;
}

.side-history-item.active {
  background: #fff5f5;
}

.side-history-item-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: #fff1f0;
  color: #ff4d4f;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
}

.side-history-item-body {
  flex: 1;
  min-width: 0;
}

.side-history-item-title {
  font-size: 13px;
  font-weight: 500;
  color: #333;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.side-history-item-preview {
  font-size: 12px;
  color: #999;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.side-history-item-actions {
  display: none;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
  position: absolute;
  right: 8px;
  top: 12px;
}

.side-history-item:hover .side-history-item-actions {
  display: flex;
}

.side-history-action {
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #bbb;
  font-size: 14px;
  transition: all 0.2s;
}

.side-history-action:hover {
  background: #f0f0f0;
  color: #666;
}

.side-history-action.pinned {
  color: #ff4d4f;
}

/* ===== 左侧第三屏 - 检索结果 ===== */
.side-ref-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 16px 12px;
  border-bottom: 1px solid #f5f5f5;
  flex-shrink: 0;
}

.side-ref-header h4 {
  font-size: 15px;
  font-weight: 600;
  color: #333;
}

.side-ref-list {
  list-style: none;
  overflow-y: auto;
  flex: 1;
  padding: 0;
  margin: 0;
}

.side-ref-item {
  border-bottom: 1px solid #f8f8f8;
}

.side-ref-link {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  text-decoration: none;
  color: inherit;
  transition: background 0.15s;
}

.side-ref-link:hover {
  background: #fafafa;
}

.side-ref-icon {
  flex-shrink: 0;
  padding-top: 2px;
}

.side-ref-body {
  flex: 1;
  min-width: 0;
}

.side-ref-title {
  font-size: 13px;
  font-weight: 500;
  color: #333;
  margin-bottom: 6px;
  line-height: 1.4;
  display: flex;
  align-items: center;
  gap: 6px;
}

.side-ref-title.highlight {
  color: #ff4d4f;
}

.side-ref-download {
  color: #999;
  flex-shrink: 0;
}

.side-ref-snippet {
  font-size: 12px;
  color: #999;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== 左侧第三屏 - 工作台 ===== */
.side-workbench {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.side-wb-body {
  flex: 1;
  overflow-y: auto;
  padding: 0 16px 16px;
}

.side-wb-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 12px 16px;
  border-top: 1px solid #f0f0f0;
  flex-shrink: 0;
}

.side-wb-btn {
  padding: 6px 20px;
  border: 1px solid #d9d9d9;
  background: #fff;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  color: #333;
  transition: all 0.2s;
}

.side-wb-btn.primary {
  background: #ff4d4f;
  border-color: #ff4d4f;
  color: #fff;
}

.side-wb-btn:hover {
  border-color: #ff4d4f;
  color: #ff4d4f;
}

.side-wb-btn.primary:hover {
  background: #cf1322;
  color: #fff;
}

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

/* ===== 响应式 ===== */
@media (max-width: 1200px) {
  .app-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

@media (max-width: 960px) {
  .portal-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .portal-sidebar-top,
  .portal-sidebar-nav,
  .portal-main {
    grid-column: auto;
    grid-row: auto;
    width: 100%;
    margin-top: 0;
  }

  .portal-sidebar-top {
    border-radius: var(--radius) var(--radius) 0 0;
  }

  .portal-sidebar-nav {
    border-radius: 0 0 var(--radius) var(--radius);
    max-height: none;
  }

  .portal-sidebar {
    width: 100%;
    max-height: none;
  }

  .content-grid,
  .main-grid,
  .bottom-grid {
    grid-template-columns: 1fr;
  }

  .ai-quick-queries {
    padding-left: var(--ai-quick-query-indent, 68px);
  }

  .ai-label {
    display: none;
  }

  .ai-chat-panel {
    right: 8px;
    left: 8px;
    width: auto;
    height: calc(100vh - 16px);
    bottom: 8px;
  }

  .ai-chat-panel.with-side {
    width: auto;
  }

  .ai-chat-panel.with-side .ai-side-panel {
    width: 280px;
  }

  .ai-chat-panel.fullscreen {
    right: 0;
    bottom: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    border-radius: 0;
  }
}