/* 玄晶引擎 XgenCore - 移动端专属样式 */
/* 设计为375px基准宽度，适配各种移动设备 */

/* ===== CSS变量 ===== */
:root {
  --primary: #0066FF;
  --primary-dark: #0052CC;
  --accent: #00D4FF;
  --background: #0A0A0F;
  --surface: #141419;
  --surface-light: #1E1E28;
  --text-primary: #FFFFFF;
  --text-secondary: #A0A0B0;
  --text-muted: #6B6B7B;
  --border: #2A2A3A;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  
  --header-height: 56px;
  --tabbar-height: 64px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

/* ===== 基础重置 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--background);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  padding-top: var(--header-height);
  padding-bottom: calc(var(--tabbar-height) + var(--safe-bottom));
  overflow-x: hidden;
}

/* ===== 顶部导航栏 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-md);
  padding-top: var(--safe-top);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header-logo img {
  height: 32px;
  width: auto;
}

.header-logo span {
  font-size: 16px;
  font-weight: 600;
}

.header-action {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
}

/* ===== 底部Tab栏 ===== */
.tabbar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(var(--tabbar-height) + var(--safe-bottom));
  background: rgba(10, 10, 15, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  z-index: 1000;
  display: flex;
  justify-content: space-around;
  align-items: flex-start;
  padding-top: 8px;
  padding-bottom: var(--safe-bottom);
}

.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  color: var(--text-muted);
  transition: color 0.2s;
}

.tab-item.active {
  color: var(--accent);
}

.tab-item svg {
  width: 24px;
  height: 24px;
}

.tab-item span {
  font-size: 11px;
}

/* ===== 页面容器 ===== */
.page {
  min-height: calc(100vh - var(--header-height) - var(--tabbar-height));
  padding: var(--space-md);
}

/* ===== 卡片组件 ===== */
.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
}

.card-gradient {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 212, 255, 0.05));
  border: 1px solid rgba(0, 102, 255, 0.2);
}

/* ===== 徽章 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(0, 102, 255, 0.1);
  border: 1px solid rgba(0, 102, 255, 0.2);
  border-radius: 100px;
  font-size: 12px;
  color: var(--accent);
}

/* ===== 按钮 ===== */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 48px;
  font-size: 16px;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: none;
  transition: all 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-large {
  height: 52px;
  font-size: 17px;
}

.btn-small {
  height: 36px;
  font-size: 14px;
  width: auto;
  padding: 0 16px;
}

/* ===== 文字样式 ===== */
.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-secondary {
  color: var(--text-secondary);
}

.text-muted {
  color: var(--text-muted);
}

/* ===== 标题样式 ===== */
.section-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

/* ===== Hero区域 ===== */
.hero-section {
  padding: var(--space-xl) var(--space-md);
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(0, 102, 255, 0.1);
  border: 1px solid rgba(0, 102, 255, 0.2);
  border-radius: 100px;
  font-size: 12px;
  color: var(--accent);
  margin-bottom: var(--space-lg);
}

.hero-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.hero-desc {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.hero-stat {
  text-align: center;
}

.hero-stat .number {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
}

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

/* ===== 功能卡片网格 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.feature-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-sm);
}

.feature-card h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

.feature-card p {
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== 列表项 ===== */
.list-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.list-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.list-content {
  flex: 1;
}

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

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

.list-arrow {
  color: var(--text-muted);
}

/* ===== 时间线 ===== */
.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-lg);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 4px;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  border: 2px solid var(--background);
}

.timeline-time {
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 4px;
}

.timeline-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

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

/* ===== 数据展示 ===== */
.data-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  background: var(--surface);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
}

.data-label {
  font-size: 14px;
  color: var(--text-secondary);
}

.data-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
}

.data-value.success {
  color: var(--success);
}

/* ===== 标签页 ===== */
.tab-header {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--space-sm);
}

.tab-header::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  flex-shrink: 0;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
  border: none;
  border-radius: 100px;
  transition: all 0.2s;
}

.tab-btn.active {
  color: white;
  background: var(--primary);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 选择器 ===== */
.selector-group {
  margin-bottom: var(--space-lg);
}

.selector-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  display: block;
}

.selector-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.selector-option {
  padding: 10px 16px;
  font-size: 14px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  transition: all 0.2s;
}

.selector-option.active {
  color: var(--accent);
  background: rgba(0, 102, 255, 0.1);
  border-color: rgba(0, 102, 255, 0.3);
}

/* ===== 进度条 ===== */
.progress-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  overflow: hidden;
  margin: var(--space-sm) 0;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 4px;
  transition: width 0.5s ease;
}

/* ===== 手机模型 ===== */
.phone-mockup {
  width: 200px;
  height: 400px;
  margin: 0 auto;
  background: linear-gradient(180deg, #1a1a2e 0%, #0f0f1a 100%);
  border-radius: 32px;
  padding: 10px;
  box-shadow: 
    0 0 0 3px rgba(255, 255, 255, 0.1),
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(0, 102, 255, 0.2);
}

.phone-screen {
  height: 100%;
  background: var(--background);
  border-radius: 24px;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* ===== 浮动按钮 ===== */
.fab {
  position: fixed;
  right: var(--space-md);
  bottom: calc(var(--tabbar-height) + var(--safe-bottom) + var(--space-md));
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.4);
  z-index: 999;
}

.fab:active {
  transform: scale(0.95);
}

/* ===== 模态框 ===== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 2000;
  display: none;
  align-items: flex-end;
}

.modal.active {
  display: flex;
}

.modal-content {
  width: 100%;
  background: var(--surface);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: var(--space-lg);
  padding-bottom: calc(var(--space-lg) + var(--safe-bottom));
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
}

/* ===== 消息气泡 ===== */
.chat-bubble {
  max-width: 80%;
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
}

.chat-bubble.ai {
  background: var(--surface-light);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.chat-bubble.user {
  background: var(--primary);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.chat-bubble p {
  font-size: 14px;
  line-height: 1.6;
}

/* ===== 快速回复 ===== */
.quick-replies {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.quick-reply {
  padding: 8px 14px;
  font-size: 13px;
  color: var(--accent);
  background: rgba(0, 102, 255, 0.1);
  border: 1px solid rgba(0, 102, 255, 0.2);
  border-radius: 100px;
}

/* ===== 输入框 ===== */
.input-group {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--surface);
  border-radius: var(--radius-lg);
}

.input-group input {
  flex: 1;
  height: 44px;
  padding: 0 var(--space-md);
  font-size: 15px;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
}

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

.input-group button {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  border-radius: var(--radius-md);
}

/* ===== 页脚 ===== */
.footer {
  padding: var(--space-xl) var(--space-md);
  text-align: center;
}

.footer-logo {
  margin-bottom: var(--space-lg);
}

.footer-logo img {
  height: 40px;
  margin-bottom: var(--space-sm);
}

.footer-info {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-links a {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== 动画 ===== */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.pulse {
  animation: pulse 2s infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.float {
  animation: float 3s ease-in-out infinite;
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
}

/* ===== 选中样式 ===== */
::selection {
  background: rgba(0, 102, 255, 0.3);
  color: white;
}

/* ===== 首页额外样式 ===== */
.section {
  padding: var(--space-lg) var(--space-md);
}

.section-header {
  margin-bottom: var(--space-lg);
}

.hero-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
}

.hero-cta .btn {
  width: auto;
  padding: 0 var(--space-xl);
}

.stat-item {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
}

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

/* 痛点对比 */
.card-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.card-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.pain-icon {
  background: rgba(239, 68, 68, 0.1);
}

.solution-icon {
  background: rgba(16, 185, 129, 0.1);
}

.card-title {
  font-size: 16px;
  font-weight: 600;
}

.pain-list, .solution-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.pain-item, .solution-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 14px;
}

.pain-marker {
  width: 6px;
  height: 6px;
  background: var(--danger);
  border-radius: 50%;
  flex-shrink: 0;
}

.pain-text {
  color: var(--text-secondary);
}

.solution-check {
  width: 20px;
  height: 20px;
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}

.solution-text {
  color: var(--text-primary);
}

/* 智能体网格 */
.agent-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.agent-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-sm);
  text-align: center;
  transition: all 0.2s;
}

.agent-card:active {
  transform: scale(0.98);
  background: var(--surface-light);
}

.agent-icon {
  font-size: 32px;
  margin-bottom: var(--space-sm);
}

.agent-name {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

.agent-desc {
  font-size: 11px;
  color: var(--text-muted);
}

/* 时间线 */
.timeline-item {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.timeline-marker {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
}

.timeline-content {
  flex: 1;
}

.timeline-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

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

/* 特性列表 */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.feature-icon {
  width: 44px;
  height: 44px;
  background: rgba(0, 102, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.feature-content {
  flex: 1;
}

.feature-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

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

/* 案例卡片 */
.case-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.case-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.case-logo {
  width: 48px;
  height: 48px;
  background: rgba(0, 102, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.case-info {
  flex: 1;
}

.case-name {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

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

.case-results {
  display: flex;
  gap: var(--space-lg);
}

.case-result {
  text-align: center;
}

.case-value {
  display: block;
  font-size: 20px;
  font-weight: 700;
  color: var(--success);
}

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

/* 手机预览 */
.phone-preview-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
}

.phone-mockup {
  width: 140px;
  height: 280px;
  margin: 0 auto var(--space-lg);
  background: linear-gradient(180deg, #1a1a2e 0%, #0f0f1a 100%);
  border-radius: 24px;
  padding: 8px;
  box-shadow: 
    0 0 0 2px rgba(255, 255, 255, 0.1),
    0 10px 40px rgba(0, 0, 0, 0.5),
    0 0 30px rgba(0, 102, 255, 0.2);
}

.phone-screen {
  height: 100%;
  background: var(--background);
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.phone-content {
  text-align: center;
}

.phone-ai-icon {
  font-size: 48px;
  margin-bottom: var(--space-sm);
}

.phone-ai-text {
  font-size: 14px;
  font-weight: 600;
}

.phone-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-md);
}

.phone-feature {
  background: rgba(0, 102, 255, 0.1);
  padding: 6px 12px;
  border-radius: 100px;
  font-size: 12px;
  color: var(--accent);
}

/* CTA区域 */
.cta-section {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  background: linear-gradient(180deg, transparent, rgba(0, 102, 255, 0.05));
}

.cta-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.cta-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.cta-contact {
  margin-top: var(--space-md);
  font-size: 13px;
  color: var(--text-muted);
}

/* 底部Tab栏 */
.tabbar-content {
  display: flex;
  justify-content: space-around;
  width: 100%;
}

.tab-icon {
  font-size: 22px;
  margin-bottom: 2px;
}

.tab-label {
  font-size: 10px;
}

/* AI浮动按钮 */
.ai-float-btn {
  position: fixed;
  right: var(--space-md);
  bottom: calc(var(--tabbar-height) + var(--safe-bottom) + var(--space-md));
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.4);
  z-index: 999;
  cursor: pointer;
}

.ai-float-btn:active {
  transform: scale(0.95);
}

.ai-float-icon {
  font-size: 28px;
}

/* 模态框 */
.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
}

.modal-body {
  max-height: 60vh;
  overflow-y: auto;
}

/* 联系信息 */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.contact-icon {
  width: 40px;
  height: 40px;
  background: rgba(0, 102, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.contact-detail {
  flex: 1;
}

.contact-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact-value {
  font-size: 14px;
  color: var(--text-primary);
}

/* 表单 */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 14px;
  font-weight: 500;
}

.form-input, .form-select, .form-textarea {
  height: 44px;
  padding: 0 var(--space-md);
  font-size: 15px;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
}

.form-textarea {
  height: 100px;
  padding: var(--space-md);
  resize: none;
}

.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-muted);
}

/* AI侧边栏 */
.ai-sidebar {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 360px;
  height: 100vh;
  background: var(--surface);
  z-index: 3000;
  display: flex;
  flex-direction: column;
  transition: right 0.3s ease;
}

.ai-sidebar.active {
  right: 0;
}

.ai-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  padding-top: calc(var(--space-md) + var(--safe-top));
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.ai-sidebar-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 16px;
  font-weight: 600;
}

.ai-avatar {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.ai-sidebar-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 18px;
}

.ai-sidebar-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
}

.ai-welcome {
  margin-bottom: var(--space-md);
}

.ai-bubble {
  display: inline-block;
  max-width: 85%;
  padding: var(--space-md);
  background: var(--surface-light);
  border-radius: var(--radius-lg);
  border-bottom-left-radius: 4px;
  font-size: 14px;
  line-height: 1.6;
}

.ai-quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.ai-quick-btn {
  padding: 8px 14px;
  font-size: 13px;
  color: var(--accent);
  background: rgba(0, 102, 255, 0.1);
  border: 1px solid rgba(0, 102, 255, 0.2);
  border-radius: 100px;
}

.ai-chat-messages {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.ai-sidebar-footer {
  padding: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.ai-input-area {
  display: flex;
  gap: var(--space-sm);
}

.ai-input {
  flex: 1;
  height: 44px;
  padding: 0 var(--space-md);
  font-size: 15px;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
}

.ai-send-btn {
  height: 44px;
  padding: 0 var(--space-lg);
  font-size: 14px;
  font-weight: 500;
  color: white;
  background: var(--primary);
  border-radius: var(--radius-md);
}

/* ===== 场景方案页样式 ===== */
.header-back {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  font-size: 20px;
  color: var(--text-primary);
}

.header-title {
  font-size: 17px;
  font-weight: 600;
}

.scene-nav {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--space-sm);
}

.scene-nav::-webkit-scrollbar {
  display: none;
}

.scene-nav-item {
  flex-shrink: 0;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 100px;
  transition: all 0.2s;
}

.scene-nav-item.active {
  color: white;
  background: var(--primary);
}

.scene-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.scene-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.scene-info {
  flex: 1;
}

.scene-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
}

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

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

.card-text {
  margin-bottom: var(--space-md);
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.feature-tag {
  padding: 4px 10px;
  font-size: 11px;
  color: var(--accent);
  background: rgba(0, 102, 255, 0.1);
  border-radius: 100px;
}

.metrics-card {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 212, 255, 0.05));
  border: 1px solid rgba(0, 102, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-top: var(--space-lg);
}

.metrics-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.metric-item {
  text-align: center;
}

.metric-value {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.metric-label {
  font-size: 11px;
  color: var(--text-muted);
}

.industry-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.industry-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.industry-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 102, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.industry-info {
  flex: 1;
}

.industry-name {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.industry-desc {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ===== 智能体体验页样式 ===== */
.agent-selector {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--space-sm);
}

.agent-selector::-webkit-scrollbar {
  display: none;
}

.agent-tab {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  min-width: 72px;
  transition: all 0.2s;
}

.agent-tab.active {
  background: rgba(0, 102, 255, 0.2);
}

.agent-tab-icon {
  font-size: 24px;
}

.agent-tab-name {
  font-size: 11px;
  color: var(--text-secondary);
}

.agent-tab.active .agent-tab-name {
  color: var(--accent);
}

.agent-section {
  display: none;
}

.agent-section.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

.agent-showcase {
  text-align: center;
  padding: var(--space-xl) 0;
}

.agent-avatar-large {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  margin: 0 auto var(--space-lg);
}

.agent-name-large {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.agent-desc-large {
  font-size: 14px;
  color: var(--text-secondary);
}

/* 演示聊天 */
.demo-chat-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  overflow: hidden;
}

.demo-chat-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: rgba(0, 102, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.demo-chat-avatar {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.demo-chat-title {
  font-size: 14px;
  font-weight: 600;
}

.demo-chat-body {
  padding: var(--space-md);
  max-height: 300px;
  overflow-y: auto;
}

.chat-message {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.chat-message.user {
  justify-content: flex-end;
}

.chat-message.ai {
  justify-content: flex-start;
}

.chat-message.ai .chat-avatar {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.chat-message .chat-bubble {
  max-width: 75%;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-size: 13px;
  line-height: 1.5;
}

.chat-message.user .chat-bubble {
  background: var(--primary);
  color: white;
  border-bottom-right-radius: 4px;
}

.chat-message.ai .chat-bubble {
  background: var(--surface-light);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
}

.demo-chat-input {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.demo-input {
  flex: 1;
  height: 40px;
  padding: 0 var(--space-md);
  font-size: 14px;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
}

.demo-send {
  height: 40px;
  padding: 0 var(--space-lg);
  font-size: 14px;
  font-weight: 500;
  color: white;
  background: var(--primary);
  border-radius: var(--radius-md);
}

/* 配置演示 */
.demo-config-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  overflow: hidden;
}

.demo-config-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: rgba(0, 102, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.demo-config-avatar {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.demo-config-title {
  font-size: 14px;
  font-weight: 600;
}

.demo-config-body {
  padding: var(--space-md);
}

.config-question {
  margin-bottom: var(--space-lg);
}

.config-question-text {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.config-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.config-option {
  padding: 8px 14px;
  font-size: 13px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  transition: all 0.2s;
}

.config-option.active {
  color: var(--accent);
  background: rgba(0, 102, 255, 0.1);
  border-color: rgba(0, 102, 255, 0.3);
}

.config-result {
  background: rgba(0, 102, 255, 0.1);
  border: 1px solid rgba(0, 102, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.config-result-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.config-result-item {
  display: flex;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.config-result-label {
  font-size: 13px;
  color: var(--text-secondary);
}

.config-result-value {
  font-size: 13px;
  font-weight: 500;
}

.config-result-price {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  text-align: center;
}

/* 分析演示 */
.demo-analysis-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  overflow: hidden;
}

.demo-analysis-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: rgba(0, 102, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.demo-analysis-avatar {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.demo-analysis-title {
  font-size: 14px;
  font-weight: 600;
}

.demo-analysis-body {
  padding: var(--space-md);
}

.analysis-chart {
  margin-bottom: var(--space-lg);
}

.chart-title {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  height: 120px;
  padding: var(--space-sm) 0;
}

.chart-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex: 1;
}

.chart-bar::before {
  content: '';
  width: 24px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px 4px 0 0;
  transition: all 0.3s;
}

.chart-bar.active::before {
  background: linear-gradient(180deg, var(--primary), var(--accent));
}

.chart-value {
  font-size: 11px;
  color: var(--text-muted);
}

.chart-label {
  font-size: 11px;
  color: var(--text-muted);
}

.analysis-insights {
  background: rgba(0, 102, 255, 0.05);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.insight-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.insight-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.insight-icon {
  font-size: 16px;
  flex-shrink: 0;
}

/* 运营演示 */
.demo-operation-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  overflow: hidden;
}

.demo-operation-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: rgba(0, 102, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.demo-operation-avatar {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.demo-operation-title {
  font-size: 14px;
  font-weight: 600;
}

.demo-operation-body {
  padding: var(--space-md);
}

.operation-flow {
  margin-bottom: var(--space-lg);
}

.flow-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  opacity: 0.5;
}

.flow-item.active {
  background: rgba(0, 102, 255, 0.1);
  opacity: 1;
}

.flow-icon {
  width: 40px;
  height: 40px;
  background: rgba(0, 102, 255, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.flow-arrow {
  text-align: center;
  padding: var(--space-sm) 0;
  color: var(--text-muted);
  font-size: 16px;
}

.flow-content {
  flex: 1;
}

.flow-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

.flow-desc {
  font-size: 12px;
  color: var(--text-secondary);
}

.operation-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(0, 102, 255, 0.05);
  border-radius: var(--radius-md);
}

.operation-stat {
  text-align: center;
}

.operation-stat-value {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.operation-stat-label {
  font-size: 11px;
  color: var(--text-muted);
}

.capability-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.capability-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 14px;
}

.capability-check {
  width: 20px;
  height: 20px;
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}

/* ===== 验证页样式 ===== */
.data-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.data-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
}

.data-icon {
  font-size: 32px;
  margin-bottom: var(--space-sm);
}

.data-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

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

.case-detail-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.case-detail-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.case-detail-logo {
  width: 48px;
  height: 48px;
  background: rgba(0, 102, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.case-detail-info {
  flex: 1;
}

.case-detail-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.case-detail-industry {
  font-size: 12px;
  color: var(--text-muted);
}

.case-detail-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.case-detail-challenge {
  margin-bottom: var(--space-md);
}

.case-detail-challenge p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.case-detail-solution {
  margin-bottom: var(--space-md);
}

.solution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.solution-tag {
  padding: 4px 10px;
  font-size: 11px;
  color: var(--accent);
  background: rgba(0, 102, 255, 0.1);
  border-radius: 100px;
}

.case-results-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.case-result-item {
  text-align: center;
  padding: var(--space-md);
  background: rgba(0, 102, 255, 0.05);
  border-radius: var(--radius-md);
}

.case-result-value {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--success);
  margin-bottom: 4px;
}

.case-result-label {
  font-size: 11px;
  color: var(--text-muted);
}

/* 客户证言 */
.testimonial-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  position: relative;
}

.testimonial-quote {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  font-size: 48px;
  color: rgba(0, 102, 255, 0.2);
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-content {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  padding-top: var(--space-lg);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
}

.testimonial-name {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

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

/* 行业网格 */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.industry-item {
  text-align: center;
  padding: var(--space-md);
  background: var(--surface);
  border-radius: var(--radius-lg);
}

.industry-item-icon {
  font-size: 28px;
  margin-bottom: var(--space-sm);
}

.industry-item-name {
  font-size: 12px;
  color: var(--text-secondary);
}

/* 合作伙伴 */
.partner-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.partner-item {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  background: var(--surface);
  border-radius: var(--radius-lg);
}

.partner-logo {
  font-size: 32px;
  margin-bottom: var(--space-sm);
}

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

/* 资质认证 */
.cert-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.cert-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.cert-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 102, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.cert-info {
  flex: 1;
}

.cert-name {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.cert-desc {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ===== AI手机页样式 ===== */
.phone-hero-visual {
  margin-bottom: var(--space-xl);
}

.phone-mockup-large {
  width: 160px;
  height: 320px;
  margin: 0 auto;
  background: linear-gradient(180deg, #1a1a2e 0%, #0f0f1a 100%);
  border-radius: 32px;
  padding: 10px;
  box-shadow: 
    0 0 0 3px rgba(255, 255, 255, 0.1),
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(0, 102, 255, 0.3);
}

.phone-screen-large {
  height: 100%;
  background: var(--background);
  border-radius: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.phone-screen-large::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.3), transparent 70%);
  animation: pulse 2s infinite;
}

.phone-ai-assistant {
  text-align: center;
  position: relative;
  z-index: 1;
}

.phone-ai-orb {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  margin: 0 auto var(--space-md);
  animation: float 3s ease-in-out infinite;
  box-shadow: 0 0 30px rgba(0, 102, 255, 0.5);
}

.phone-ai-text {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.phone-ai-subtitle {
  font-size: 11px;
  color: var(--text-muted);
}

.phone-feature-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.phone-feature-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
}

.phone-feature-icon {
  font-size: 32px;
  margin-bottom: var(--space-sm);
}

.phone-feature-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

.phone-feature-desc {
  font-size: 11px;
  color: var(--text-muted);
}

.phone-scene-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.phone-scene-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.phone-scene-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 102, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.phone-scene-content {
  flex: 1;
}

.phone-scene-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.phone-scene-desc {
  font-size: 12px;
  color: var(--text-secondary);
}

/* 技术架构 */
.tech-arch-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.tech-layer {
  text-align: center;
}

.tech-layer-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.tech-layer-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xs);
}

.tech-item {
  padding: 4px 10px;
  font-size: 11px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 100px;
}

.tech-arrow {
  text-align: center;
  padding: var(--space-sm) 0;
  color: var(--text-muted);
  font-size: 16px;
}

/* 端云协同 */
.hybrid-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.hybrid-section {
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
}

.hybrid-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.hybrid-icon {
  font-size: 20px;
}

.hybrid-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

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

.hybrid-divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-md) 0;
}

.hybrid-arrow {
  font-size: 24px;
  color: var(--accent);
}

.hybrid-label {
  font-size: 11px;
  color: var(--text-muted);
}

/* 合作厂商 */
.oem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.oem-item {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  background: var(--surface);
  border-radius: var(--radius-lg);
}

.oem-logo {
  font-size: 32px;
  margin-bottom: var(--space-sm);
}

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

/* 芯片支持 */
.chip-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.chip-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.chip-logo {
  width: 48px;
  height: 48px;
  background: rgba(0, 102, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.chip-info {
  flex: 1;
}

.chip-name {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.chip-desc {
  font-size: 12px;
  color: var(--text-secondary);
}

/* 开发者支持 */
.dev-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.dev-feature {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
}

.dev-feature-icon {
  font-size: 28px;
  margin-bottom: var(--space-sm);
}

.dev-feature-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

.dev-feature-desc {
  font-size: 11px;
  color: var(--text-muted);
}

/* 页脚 */
.footer-copyright {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 12px;
  color: var(--text-muted);
}

/* Logo样式 */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo img {
  height: 32px;
  width: auto;
  object-fit: contain;
}

.logo-text {
  font-size: 16px;
  font-weight: 600;
}

.header-btn {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: white;
  background: var(--primary);
  border-radius: var(--radius-md);
}

/* 头部内容 */
.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}