/**
 * 酒店PMS智能管理系统 - 清新商务风格模板
 * Hotel PMS Smart System - Fresh Business Style Template
 * 
 * 设计风格：参考 Stripe、飞书等现代SaaS产品
 * 主色调：科技蓝 #2563EB
 * 辅助色：香槟金 #C9A84C
 */

/* ========================================
   CSS Variables - 设计系统
   ======================================== */
:root {
  /* 主色 */
  --primary: #2563EB;
  --primary-light: #3B82F6;
  --primary-dark: #1D4ED8;
  --primary-50: #EFF6FF;
  --primary-100: #DBEAFE;
  --primary-200: #BFDBFE;
  
  /* 品牌金 */
  --gold: #C9A84C;
  --gold-light: #E8D5A3;
  --gold-dark: #A68B3D;
  
  /* 辅助色 */
  --ai-purple: #8B5CF6;
  --ai-purple-light: #A78BFA;
  --success: #10B981;
  --success-light: #34D399;
  --warning: #F59E0B;
  --warning-light: #FBBF24;
  --info: #06B6D4;
  --danger: #EF4444;
  
  /* 文字颜色 */
  --text-primary: #1E293B;
  --text-secondary: #334155;
  --text-muted: #64748B;
  --text-placeholder: #94A3B8;
  --text-white: #FFFFFF;
  
  /* 背景颜色 */
  --bg-white: #FFFFFF;
  --bg-light: #F8FAFC;
  --bg-gray: #F1F5F9;
  --bg-dark: #0F172A;
  --bg-card: #FFFFFF;
  
  /* 边框 */
  --border-light: #E2E8F0;
  --border-gray: #CBD5E1;
  
  /* 渐变 */
  --gradient-primary: linear-gradient(135deg, #2563EB 0%, #3B82F6 100%);
  --gradient-gold: linear-gradient(135deg, #C9A84C 0%, #E8D5A3 100%);
  --gradient-ai: linear-gradient(135deg, #8B5CF6 0%, #A78BFA 100%);
  --gradient-hero: linear-gradient(135deg, #EFF6FF 0%, #F8FAFC 50%, #FFFFFF 100%);
  --gradient-dark: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-primary: 0 4px 14px 0 rgba(37, 99, 235, 0.25);
  --shadow-gold: 0 4px 14px 0 rgba(201, 168, 76, 0.25);
  
  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* 过渡 */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* 字体 */
  --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  
  /* 容器宽度 */
  --container-width: 1200px;
  --container-padding: 24px;
}

/* ========================================
   !important Override - 强制覆盖 reset.css
   ======================================== */
/* 重置标题样式 */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600 !important;
  /* color: var(--text-primary) !important; */
}
h1 { font-size: 40px !important; }
h2 { font-size: 36px !important; }
h3 { font-size: 24px !important; }
h4 { font-size: 20px !important; }
h5 { font-size: 16px !important; }
h6 { font-size: 14px !important; }

/* 重置图片样式 */
img {
  max-width: 100% !important;
  height: auto !important;
  width: auto !important;
}

/* 强制容器样式 */
.container {
  width: 100% !important;
  max-width: var(--container-width) !important;
  margin: 0 auto !important;
  padding: 0 var(--container-padding) !important;
}

/* 强制 section 样式 */
.section {
  padding: 100px 0 !important;
}

/* 强制页面横幅样式 */
.page-header {
  background: linear-gradient(135deg, #EFF6FF 0%, #FFFFFF 100%) !important;
  padding: 80px 0 60px !important;
  text-align: center !important;
  position: relative !important;
  overflow: hidden !important;
}

.page-badge {
  display: inline-block !important;
  background: #2563EB !important;
  color: #FFFFFF !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  padding: 6px 16px !important;
  border-radius: 9999px !important;
  margin-bottom: 20px !important;
  letter-spacing: 0.05em !important;
}

.page-title {
  font-size: 40px !important;
  font-weight: 700 !important;
  color: #1E293B !important;
  margin-bottom: 16px !important;
  letter-spacing: -0.02em !important;
}

.page-subtitle {
  font-size: 18px !important;
  color: #64748B !important;
  max-width: 600px !important;
  margin: 0 auto !important;
  line-height: 1.6 !important;
}

/* 强制 CTA 样式 */
.cta-section {
  background: linear-gradient(135deg, #2563EB 0%, #3B82F6 100%) !important;
  padding: 80px 0 !important;
  text-align: center !important;
}

.cta-section h2 {
  font-size: 36px !important;
  font-weight: 700 !important;
  color: #FFFFFF !important;
  margin-bottom: 16px !important;
}

.cta-section p {
  font-size: 18px !important;
  color: rgba(255, 255, 255, 0.9) !important;
  margin-bottom: 32px !important;
}

/* 强制按钮样式 */
.btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  padding: 12px 24px !important;
  font-size: 15px !important;
  font-weight: 500 !important;
  border-radius: 12px !important;
  cursor: pointer !important;
  transition: all 0.3s ease !important;
  border: none !important;
}

.btn-primary {
  background: #2563EB !important;
  color: #FFFFFF !important;
}

.btn-primary:hover {
  background: #1D4ED8 !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.25) !important;
}

.btn-outline {
  background: transparent !important;
  border: 1px solid #E2E8F0 !important;
  color: #334155 !important;
}

.btn-outline:hover {
  border-color: #2563EB !important;
  color: #2563EB !important;
}

.btn-lg {
  padding: 16px 40px !important;
  font-size: 18px !important;
  background: #FFFFFF !important;
  color: #2563EB !important;
}

.btn-lg:hover {
  background: #C9A84C !important;
  color: #FFFFFF !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1) !important;
}

/* 强制导航栏样式 */
.header-top {
  background: #0F172A !important;
  color: #FFFFFF !important;
  height: 40px !important;
  display: flex !important;
  align-items: center !important;
}

.navbar {
  position: sticky !important;
  top: 0 !important;
  z-index: 1000 !important;
  background: rgba(255, 255, 255, 0.98) !important;
  backdrop-filter: blur(20px) !important;
  border-bottom: 1px solid #E2E8F0 !important;
}

.navbar .container {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  height: 72px !important;
}

.navbar-logo img {
  height: 40px !important;
  width: auto !important;
}

.navbar-menu {
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
}

.navbar-menu a {
  font-size: 15px !important;
  font-weight: 500 !important;
  color: #334155 !important;
  padding: 8px 16px !important;
  border-radius: 6px !important;
}

.navbar-menu a:hover {
  color: #2563EB !important;
  background: #EFF6FF !important;
}

.navbar-actions {
  display: flex !important;
  gap: 12px !important;
}

/* 强制新闻列表页样式 */
.news-categories {
  background: #FFFFFF !important;
  border-bottom: 1px solid #E2E8F0 !important;
  padding: 0 !important;
}

.category-tabs {
  display: flex !important;
  gap: 0 !important;
  justify-content: center !important;
}

.category-tab {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  padding: 24px 48px !important;
  color: #334155 !important;
  border-bottom: 3px solid transparent !important;
}

.category-tab:hover,
.category-tab.active {
  color: #2563EB !important;
  border-bottom-color: #2563EB !important;
}

.news-layout {
  display: grid !important;
  grid-template-columns: 1fr 320px !important;
  gap: 40px !important;
}

.news-list {
  display: flex !important;
  flex-direction: column !important;
  gap: 24px !important;
}

.news-item {
  background: #FFFFFF !important;
  border: 1px solid #E2E8F0 !important;
  border-radius: 16px !important;
  overflow: hidden !important;
}

.news-item:hover {
  border-color: #BFDBFE !important;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1) !important;
  transform: translateY(-4px) !important;
}

.news-item-link {
  display: flex !important;
  gap: 24px !important;
}

.news-image {
  flex: 0 0 280px !important;
  height: 180px !important;
  overflow: hidden !important;
}

.news-image img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
}

.news-content {
  flex: 1 !important;
  padding: 20px 24px 20px 0 !important;
  display: flex !important;
  flex-direction: column !important;
}

.news-meta {
  display: flex !important;
  align-items: center !important;
  gap: 16px !important;
  margin-bottom: 12px !important;
}

.category-tag {
  background: #EFF6FF !important;
  color: #2563EB !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  padding: 4px 10px !important;
  border-radius: 9999px !important;
}

.date, .views {
  font-size: 13px !important;
  color: #64748B !important;
  display: flex !important;
  align-items: center !important;
  gap: 4px !important;
}

.news-title {
  font-size: 18px !important;
  font-weight: 600 !important;
  color: #1E293B !important;
  margin-bottom: 10px !important;
}

.news-item:hover .news-title {
  color: #2563EB !important;
}

.news-excerpt {
  font-size: 14px !important;
  color: #64748B !important;
  line-height: 1.6 !important;
}

.read-more {
  font-size: 14px !important;
  font-weight: 500 !important;
  color: #2563EB !important;
  display: flex !important;
  align-items: center !important;
  gap: 4px !important;
  margin-top: 12px !important;
}

/* 强制侧边栏样式 */
.news-sidebar {
  display: flex !important;
  flex-direction: column !important;
  gap: 24px !important;
}

.sidebar-widget {
  background: #FFFFFF !important;
  border: 1px solid #E2E8F0 !important;
  border-radius: 16px !important;
  padding: 24px !important;
}

.widget-title {
  font-size: 16px !important;
  font-weight: 600 !important;
  color: #1E293B !important;
  margin-bottom: 20px !important;
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
}

.hot-list {
  display: flex !important;
  flex-direction: column !important;
  gap: 16px !important;
}

.hot-item {
  display: flex !important;
  gap: 12px !important;
}

.hot-num {
  width: 24px !important;
  height: 24px !important;
  background: #2563EB !important;
  color: #FFFFFF !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  border-radius: 6px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.hot-title {
  font-size: 14px !important;
  font-weight: 500 !important;
  color: #1E293B !important;
}

.hot-excerpt {
  font-size: 12px !important;
  color: #64748B !important;
}

.recommend-list {
  display: flex !important;
  flex-direction: column !important;
}

.recommend-item {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  padding: 12px 0 !important;
  border-bottom: 1px solid #E2E8F0 !important;
}

.recommend-title {
  font-size: 14px !important;
  color: #334155 !important;
}

.recommend-date {
  font-size: 12px !important;
  color: #94A3B8 !important;
}

/* 强制案例中心页样式 */
.cases-filter {
  background: #FFFFFF !important;
  border-bottom: 1px solid #E2E8F0 !important;
  padding: 20px 0 !important;
}

.filter-tabs {
  display: flex !important;
  justify-content: center !important;
  gap: 12px !important;
  flex-wrap: wrap !important;
}

.filter-tab {
  background: #F8FAFC !important;
  border: 1px solid #E2E8F0 !important;
  color: #334155 !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  padding: 10px 24px !important;
  border-radius: 9999px !important;
  cursor: pointer !important;
}

.filter-tab:hover,
.filter-tab.active {
  background: #2563EB !important;
  border-color: #2563EB !important;
  color: #FFFFFF !important;
}

.cases-grid {
  display: grid !important;
  grid-template-columns: repeat(4, 1fr) !important;
  gap: 24px !important;
}

.case-card {
  background: #FFFFFF !important;
  border: 1px solid #E2E8F0 !important;
  border-radius: 16px !important;
  overflow: hidden !important;
}

.case-card:hover {
  border-color: #BFDBFE !important;
  transform: translateY(-6px) !important;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1) !important;
}

.case-image {
  position: relative !important;
  height: 200px !important;
  overflow: hidden !important;
}

.case-image img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
}

.case-overlay {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  background: rgba(37, 99, 235, 0.9) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  opacity: 0 !important;
}

.case-card:hover .case-overlay {
  opacity: 1 !important;
}

.view-btn {
  color: #FFFFFF !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  padding: 10px 24px !important;
  border: 2px solid #FFFFFF !important;
  border-radius: 9999px !important;
}

.case-content {
  padding: 20px !important;
}

.case-category {
  display: inline-block !important;
  background: #EFF6FF !important;
  color: #2563EB !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  padding: 4px 10px !important;
  border-radius: 9999px !important;
  margin-bottom: 12px !important;
}

.case-title {
  font-size: 17px !important;
  font-weight: 600 !important;
  color: #1E293B !important;
  margin-bottom: 8px !important;
}

.case-card:hover .case-title {
  color: #2563EB !important;
}

.case-desc {
  font-size: 14px !important;
  color: #64748B !important;
  line-height: 1.5 !important;
  margin-bottom: 12px !important;
}

.case-meta {
  display: flex !important;
  gap: 16px !important;
  padding-top: 12px !important;
  border-top: 1px solid #E2E8F0 !important;
}

.case-meta .meta-item {
  font-size: 13px !important;
  color: #94A3B8 !important;
  display: flex !important;
  align-items: center !important;
  gap: 4px !important;
}

.submit-case {
  margin-top: 60px !important;
  background: linear-gradient(135deg, #EFF6FF 0%, #FFFFFF 100%) !important;
  border: 1px solid #DBEAFE !important;
  border-radius: 24px !important;
  padding: 40px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 40px !important;
}

.submit-content h3 {
  font-size: 24px !important;
  font-weight: 700 !important;
  color: #1E293B !important;
  margin-bottom: 8px !important;
}

.submit-content p {
  font-size: 16px !important;
  color: #64748B !important;
}

.btn-gold {
  background: linear-gradient(135deg, #C9A84C 0%, #E8D5A3 100%) !important;
  color: #FFFFFF !important;
}

/* 强制页脚样式 */
.footer {
  background: #0F172A !important;
  color: #FFFFFF !important;
  padding: 60px 0 0 !important;
}

.footer-main {
  display: grid !important;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr 1.5fr !important;
  gap: 40px !important;
  padding-bottom: 40px !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.footer-brand .logo {
  height: 40px !important;
  width: auto !important;
  margin-bottom: 16px !important;
}

.footer-brand .desc {
  font-size: 14px !important;
  color: rgba(255, 255, 255, 0.7) !important;
  line-height: 1.6 !important;
  margin-bottom: 20px !important;
}

.footer-brand .contact-item {
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  font-size: 14px !important;
  color: rgba(255, 255, 255, 0.7) !important;
  margin-bottom: 8px !important;
}

.footer-brand .contact-item i {
  color: #C9A84C !important;
}

.footer-col h4 {
  font-size: 16px !important;
  font-weight: 600 !important;
  color: #FFFFFF !important;
  margin-bottom: 20px !important;
}

.footer-col a {
  display: block !important;
  font-size: 14px !important;
  color: rgba(255, 255, 255, 0.7) !important;
  margin-bottom: 12px !important;
}

.footer-col a:hover {
  color: #C9A84C !important;
}

.footer-qrcodes {
  display: flex !important;
  gap: 24px !important;
  justify-content: center !important;
  align-items: flex-start !important;
}

.footer-qrcode {
  text-align: center !important;
  flex: 1 !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
}

.footer-qrcode img {
  width: 100px !important;
  height: 100px !important;
  margin-bottom: 8px !important;
}

.footer-qrcode p {
  font-size: 13px !important;
  color: rgba(255, 255, 255, 0.7) !important;
}

.footer-bottom {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  padding: 20px 0 !important;
}

.copyright {
  font-size: 13px !important;
  color: rgba(255, 255, 255, 0.5) !important;
}

.footer-links {
  display: flex !important;
  gap: 24px !important;
}

.footer-links a {
  font-size: 13px !important;
  color: rgba(255, 255, 255, 0.5) !important;
}

.footer-links a:hover {
  color: #C9A84C !important;
}

/* 强制统计卡片样式 */
.stat-card {
  background: #FFFFFF !important;
  border: 1px solid #E2E8F0 !important;
  border-radius: 16px !important;
  padding: 40px 24px !important;
  text-align: center !important;
}

.stat-icon {
  width: 64px !important;
  height: 64px !important;
  background: #EFF6FF !important;
  border-radius: 50% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 28px !important;
  color: #2563EB !important;
  margin: 0 auto 20px !important;
}

.stat-number {
  font-size: 40px !important;
  font-weight: 700 !important;
  color: #2563EB !important;
  line-height: 1 !important;
  margin-bottom: 8px !important;
}

.stat-label {
  font-size: 15px !important;
  color: #64748B !important;
}

/* ========================================
   Base Reset & Typography
   ======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background: var(--bg-white);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 重置 reset.css 的过度重置 */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600 !important;
}

h1 { font-size: 40px !important; }
h2 { font-size: 36px !important; }
h3 { font-size: 24px !important; }
h4 { font-size: 20px !important; }
h5 { font-size: 16px !important; }
h6 { font-size: 14px !important; }

img {
  max-width: 100%;
  height: auto;
  display: block;
  width: auto !important; /* 覆盖 reset.css 的 width: 100% */
}

/* ========================================
   Layout Utilities
   ======================================== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: 100px 0;
}

.section-sm {
  padding: 60px 0;
}

/* ========================================
   Typography
   ======================================== */
.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-title p {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.section-title.text-white h2 {
  color: #FFFFFF;
}

.section-title.text-white p {
  color: rgba(255, 255, 255, 0.9);
}

/* ========================================
   Header - 导航栏
   ======================================== */
.header-top {
  background: var(--bg-dark);
  color: var(--text-white);
  font-size: 13px;
  height: 40px;
  display: flex;
  align-items: center;
}

.header-top .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-top a {
  color: rgba(255, 255, 255, 0.85);
}

.header-top a:hover {
  color: var(--gold);
}

.header-top .hotline {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-top .hotline i {
  color: var(--gold);
}

.header-top .top-links {
  display: flex;
  gap: 24px;
}

/* Main Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: box-shadow var(--transition-normal);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.navbar-logo {
  display: flex;
  align-items: center;
}

.navbar-logo img {
  height: 40px;
  width: auto;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-menu a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.navbar-menu a:hover {
  color: var(--primary);
  background: var(--primary-50);
}

.navbar-menu a.active {
  color: var(--primary);
}

.navbar-menu a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ========================================
   Buttons - 按钮样式
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-white);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
  color: var(--text-white);
}

.btn-secondary {
  background: var(--bg-white);
  color: var(--text-secondary);
  border: 1px solid var(--border-gray);
}

.btn-secondary:hover {
  background: var(--bg-light);
  border-color: var(--primary);
  color: var(--primary);
}

.btn-gold {
  background: var(--gradient-gold);
  color: var(--text-white);
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(201, 168, 76, 0.35);
  color: var(--text-white);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--text-white);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--bg-light);
  color: var(--primary);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 16px;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 50%;
}

/* ========================================
   Hero Section - 英雄区
   ======================================== */
.hero {
  position: relative;
  min-height: 600px;
  max-height: 80vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding: 80px 0;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(ellipse at 70% 30%, rgba(37, 99, 235, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40%;
  height: 60%;
  background: radial-gradient(ellipse at 30% 80%, rgba(201, 168, 76, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  max-width: 560px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-50);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-badge i {
  font-size: 16px;
}

.hero-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-title span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-visual {
  position: relative;
}

.hero-image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Floating cards around hero image */
.hero-floating-card {
  position: absolute;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: float 6s ease-in-out infinite;
}

.hero-floating-card.card-1 {
  top: 10%;
  left: -40px;
  animation-delay: 0s;
}

.hero-floating-card.card-2 {
  bottom: 20%;
  right: -30px;
  animation-delay: 2s;
}

.hero-floating-card.card-3 {
  bottom: 10%;
  left: 10%;
  animation-delay: 4s;
}

.hero-floating-card .icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.hero-floating-card .icon.primary {
  background: var(--primary-100);
  color: var(--primary);
}

.hero-floating-card .icon.gold {
  background: linear-gradient(135deg, rgba(201, 168, 76, 0.15), rgba(201, 168, 76, 0.25));
  color: var(--gold);
}

.hero-floating-card .icon.success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
}

.hero-floating-card .text {
  font-size: 13px;
}

.hero-floating-card .text strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.hero-floating-card .text span {
  color: var(--text-muted);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* ========================================
   Trust Bar - 信任背书
   ======================================== */
.trust-bar {
  background: var(--bg-white);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: 32px 0;
}

.trust-bar .container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 80px;
}

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

.trust-item .number {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}

.trust-item .label {
  font-size: 14px;
  color: var(--text-muted);
}

/* ========================================
   Feature Cards - 功能卡片
   ======================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.feature-card:hover {
  border-color: var(--primary-200);
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card .icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}

.feature-card .icon.blue {
  background: var(--primary-100);
  color: var(--primary);
}

.feature-card .icon.green {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
}

.feature-card .icon.orange {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
}

.feature-card .icon.purple {
  background: rgba(139, 92, 246, 0.15);
  color: var(--ai-purple);
}

.feature-card .tag {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.feature-card .feature-list {
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
}

.feature-card .feature-list li {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.feature-card .feature-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

.feature-card .feature-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  margin-top: 16px;
}

.feature-card .feature-link:hover {
  gap: 10px;
}

/* ========================================
   AI Section - AI店长专区（深色）
   ======================================== */
.ai-section {
  background: var(--gradient-dark);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.ai-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
  50% { transform: translate(-50%, -50%) scale(1.15); opacity: 0.8; }
}

.ai-section .container {
  position: relative;
  z-index: 1;
}

.ai-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.ai-feature-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.ai-feature-card:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--ai-purple);
  transform: translateY(-6px);
}

.ai-feature-card .icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-ai);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--text-white);
  margin-bottom: 20px;
}

.ai-feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.ai-feature-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
}

/* ========================================
   Stats Section - 数据统计
   ======================================== */
.stats-section {
  background: var(--gradient-primary);
  padding: 60px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-item .number {
  font-size: 48px;
  font-weight: 700;
  color: var(--text-white);
  line-height: 1;
  margin-bottom: 12px;
}

.stat-item .label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
}

/* ========================================
   IPTV Section - IPTV融合
   ======================================== */
.iptv-section {
  background: var(--bg-light);
  padding: 100px 0;
}

.iptv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.iptv-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  transition: all var(--transition-normal);
}

.iptv-card:hover {
  border-color: var(--primary-200);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.iptv-card .icon {
  width: 72px;
  height: 72px;
  background: var(--primary-50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--primary);
  margin: 0 auto 20px;
}

.iptv-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.iptv-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.iptv-card .highlight {
  color: var(--success);
  font-weight: 600;
}

/* ========================================
   Media Section - 新媒体传播
   ======================================== */
.media-section {
  background: var(--bg-white);
  padding: 100px 0;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.media-card {
  background: var(--bg-light);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition-normal);
}

.media-card:hover {
  background: var(--bg-white);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.media-card .icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-gold);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--text-white);
  margin: 0 auto 16px;
}

.media-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.media-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ========================================
   Architecture Section - 系统优势
   ======================================== */
.arch-section {
  background: var(--bg-light);
  padding: 100px 0;
}

.arch-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.arch-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all var(--transition-normal);
}

.arch-card:hover {
  border-color: var(--primary-200);
  box-shadow: var(--shadow-md);
}

.arch-card .icon {
  width: 48px;
  height: 48px;
  background: var(--primary-50);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary);
  flex-shrink: 0;
}

.arch-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.arch-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ========================================
   Cases Section - 案例展示
   ======================================== */
.cases-section {
  background: linear-gradient(180deg, #F1F5F9 0%, #FFFFFF 100%);
  padding: 100px 0;
}

.cases-slider {
  position: relative;
  overflow: hidden;
}

.cases-track {
  display: flex;
  gap: 24px;
  transition: transform 0.5s ease;
}

.case-card {
  flex: 0 0 calc(33.333% - 16px);
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  border: 1px solid var(--border-gray);
}

.case-card:hover {
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.12);
  border-color: var(--primary-200);
  transform: translateY(-6px);
}

.case-card .image {
  height: 200px;
  overflow: hidden;
}

.case-card .image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.case-card:hover .image img {
  transform: scale(1.05);
}

.case-card .content {
  padding: 24px;
}

.case-card .content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.case-card .content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.case-card .content .meta {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-placeholder);
}

/* Slider controls */
.slider-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 40px;
}

.slider-dots {
  display: flex;
  gap: 8px;
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-gray);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider-dot.active {
  width: 30px;
  border-radius: 5px;
  background: var(--primary);
}

.slider-arrow {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-gray);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider-arrow:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-white);
}

/* ========================================
   News Section - 新闻资讯
   ======================================== */
.news-section {
  background: var(--bg-light);
  padding: 100px 0;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.news-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.news-card .image {
  height: 180px;
  overflow: hidden;
}

.news-card .image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.news-card:hover .image img {
  transform: scale(1.08);
}

.news-card .content {
  padding: 24px;
}

.news-card .category {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-50);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.news-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card:hover h3 {
  color: var(--primary);
}

.news-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}

.news-card .meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-placeholder);
}

/* ========================================
   CTA Section - 转化区块
   ======================================== */
.cta-section {
  background: var(--gradient-primary);
  padding: 80px 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
}

.cta-section .btn {
  background: var(--bg-white);
  color: var(--primary);
  font-weight: 600;
}

.cta-section .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* ========================================
   Footer - 页脚
   ======================================== */
.footer {
  background: var(--bg-dark);
  color: var(--text-white);
  padding: 60px 0 0;
}

.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  max-width: 240px;
}

.footer-brand .logo {
  height: 36px;
  margin-bottom: 20px;
}

.footer-brand .desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-brand .contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 12px;
}

.footer-brand .contact-item i {
  color: var(--gold);
  font-size: 16px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-white);
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  padding: 6px 0;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--gold);
}

.footer-qrcodes {
  display: flex;
  gap: 24px;
  justify-content: center;
}

.footer-qrcode {
  text-align: center;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}
}

.footer-qrcode img {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.footer-qrcode p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-qrcode i {
  color: var(--gold);
  margin-right: 4px;
}

.footer-bottom {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.5);
  margin-left: 20px;
}

.footer-links a:hover {
  color: var(--gold);
}

/* ========================================
   Animations - 动画效果
   ======================================== */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.5s; }
.delay-7 { transition-delay: 0.5s; }
.delay-8 { transition-delay: 0.5s; }

/* Number counter animation */
.counter {
  display: inline-block;
}

/* ========================================
   Page Header - 页面横幅
   ======================================== */
.page-header {
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--bg-white) 100%);
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%232563EB' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.page-header-content {
  position: relative;
  z-index: 1;
}

.page-badge {
  display: inline-block;
  background: var(--primary);
  color: var(--text-white);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.page-title {
  font-size: 40px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.page-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Section Label & Heading */
.section-label {
  display: inline-block;
  background: var(--primary-50);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-heading {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

/* CTA Section */
.cta-section {
  background: var(--gradient-primary);
  padding: 80px 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
}

.cta-section .btn-lg {
  background: var(--text-white);
  color: var(--primary);
  font-size: 18px;
  padding: 16px 40px;
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: all var(--transition-normal);
}

.cta-section .btn-lg:hover {
  background: var(--gold);
  color: var(--text-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* ========================================
   News List Page - 新闻列表页
   ======================================== */
.news-categories {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
  padding: 0;
}

.category-tabs {
  display: flex;
  gap: 0;
  justify-content: center;
}

.category-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 48px;
  color: var(--text-secondary);
  border-bottom: 3px solid transparent;
  transition: all var(--transition-fast);
}

.category-tab i {
  font-size: 24px;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.category-tab span {
  font-size: 15px;
  font-weight: 500;
}

.category-tab:hover,
.category-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.category-tab:hover i,
.category-tab.active i {
  color: var(--primary);
}

/* 新闻布局 */
.news-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
}

/* 文章列表 */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.news-item {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.news-item:hover {
  border-color: var(--primary-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.news-item-link {
  display: flex;
  gap: 24px;
}

.news-image {
  flex: 0 0 280px;
  height: 180px;
  overflow: hidden;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.news-item:hover .news-image img {
  transform: scale(1.05);
}

.news-content {
  flex: 1;
  padding: 20px 24px 20px 0;
  display: flex;
  flex-direction: column;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.category-tag {
  background: var(--primary-50);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.date,
.views {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.news-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.4;
}

.news-item:hover .news-title {
  color: var(--primary);
}

.news-excerpt {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
}

.read-more {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 12px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.news-item:hover .read-more {
  opacity: 1;
}

/* 分页 */
.pagination-wrapper {
  margin-top: 40px;
  display: flex;
  justify-content: center;
}

/* 侧边栏 */
.news-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-widget {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.widget-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.widget-title i {
  color: var(--primary);
}

/* 热文列表 */
.hot-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hot-item {
  display: flex;
  gap: 12px;
}

.hot-num {
  width: 24px;
  height: 24px;
  background: var(--primary);
  color: var(--text-white);
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hot-item:nth-child(n+4) .hot-num {
  background: var(--border-gray);
  color: var(--text-secondary);
}

.hot-content {
  flex: 1;
}

.hot-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.4;
  display: block;
  margin-bottom: 4px;
}

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

.hot-excerpt {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* 侧边栏广告 */
.sidebar-banner {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.sidebar-banner img {
  width: 100%;
  display: block;
}

/* 推荐列表 */
.recommend-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.recommend-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
}

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

.recommend-title {
  font-size: 14px;
  color: var(--text-secondary);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.recommend-date {
  font-size: 12px;
  color: var(--text-placeholder);
  margin-left: 12px;
}

/* ========================================
   Case Center Page - 案例中心页
   ======================================== */
.cases-filter {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
  padding: 20px 0;
}

.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.filter-tab {
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 24px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tab:hover,
.filter-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-white);
}

/* 案例网格 */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.case-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.case-card:hover {
  border-color: var(--primary-200);
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.case-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.case-card:hover .case-image img {
  transform: scale(1.1);
}

.case-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(37, 99, 235, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.case-card:hover .case-overlay {
  opacity: 1;
}

.view-btn {
  color: var(--text-white);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 24px;
  border: 2px solid var(--text-white);
  border-radius: var(--radius-full);
}

.case-content {
  padding: 20px;
}

.case-category {
  display: inline-block;
  background: var(--primary-50);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.case-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.case-card:hover .case-title {
  color: var(--primary);
}

.case-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 12px;
}

.case-meta {
  display: flex;
  gap: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
}

.case-meta .meta-item {
  font-size: 13px;
  color: var(--text-placeholder);
  display: flex;
  align-items: center;
  gap: 4px;
}

.case-meta .meta-item i {
  color: var(--text-muted);
}

/* 提交案例 */
.submit-case {
  margin-top: 60px;
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--bg-white) 100%);
  border: 1px solid var(--primary-100);
  border-radius: var(--radius-xl);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.submit-content h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.submit-content p {
  font-size: 16px;
  color: var(--text-muted);
}

/* 统计卡片 - 案例页专用 */
.page-cases .stats-section {
  background: var(--bg-light);
}

.page-cases .stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.page-cases .stat-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  transition: all var(--transition-normal);
}

.page-cases .stat-card:hover {
  border-color: var(--primary-200);
  box-shadow: var(--shadow-lg);
}

.page-cases .stat-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--primary);
  margin: 0 auto 20px;
}

.page-cases .stat-number {
  font-size: 40px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}

.page-cases .stat-label {
  font-size: 15px;
  color: var(--text-muted);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1200px) {
  .container {
    max-width: 100%;
    padding: 0 20px;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .ai-features {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .iptv-grid,
  .media-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stats-grid {
    gap: 30px;
  }
  
  .footer-main {
    grid-template-columns: repeat(3, 1fr);
  }
  
  /* 新闻列表响应式 */
  .news-layout {
    grid-template-columns: 1fr;
  }
  
  .news-sidebar {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* 案例中心响应式 */
  .cases-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  
  .section-title h2 {
    font-size: 28px;
  }
  
  .hero {
    min-height: auto;
    padding: 60px 0;
  }
  
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-title {
    font-size: 32px;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-floating-card {
    display: none;
  }
  
  .trust-bar .container {
    flex-direction: column;
    gap: 24px;
  }
  
  .features-grid,
  .ai-features,
  .iptv-grid,
  .arch-grid {
    grid-template-columns: 1fr;
  }
  
  .media-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .news-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-main {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  
  /* 页面横幅响应式 */
  .page-header {
    padding: 60px 0 40px;
  }
  
  .page-title {
    font-size: 32px;
  }
  
  /* 新闻列表响应式 */
  .category-tabs {
    overflow-x: auto;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
  }
  
  .category-tab {
    padding: 16px 24px;
    flex-shrink: 0;
  }
  
  .news-item-link {
    flex-direction: column;
  }
  
  .news-image {
    flex: none;
    width: 100%;
    height: 200px;
  }
  
  .news-content {
    padding: 16px;
  }
  
  .news-sidebar {
    grid-template-columns: 1fr;
  }
  
  /* 案例中心响应式 */
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .page-cases .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .submit-case {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 28px;
  }
  
  .section-title h2 {
    font-size: 24px;
  }
  
  .stat-item .number {
    font-size: 32px;
  }
  
  .media-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-main {
    grid-template-columns: 1fr;
  }
  
  /* 页面横幅响应式 */
  .page-title {
    font-size: 28px;
  }
  
  /* 新闻列表响应式 */
  .news-list {
    gap: 16px;
  }
  
  .news-title {
    font-size: 16px;
  }
  
  /* 案例中心响应式 */
  .cases-grid {
    grid-template-columns: 1fr;
  }
  
  .filter-tabs {
    gap: 8px;
  }
  
  .filter-tab {
    padding: 8px 16px;
    font-size: 13px;
  }
  
  .case-image {
    height: 180px;
  }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-primary { color: var(--primary); }
.text-gold { color: var(--gold); }
.text-muted { color: var(--text-muted); }
.text-white { color: var(--text-white); }

.bg-white { background: var(--bg-white); }
.bg-light { background: var(--bg-light); }
.bg-gray { background: var(--bg-gray); }
.bg-dark { background: var(--bg-dark); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mt-60 { margin-top: 60px; }
.mt-80 { margin-top: 80px; }

.mb-0 { margin-bottom: 0; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }
.mb-60 { margin-bottom: 60px; }

.py-20 { padding-top: 20px; padding-bottom: 20px; }
.py-40 { padding-top: 40px; padding-bottom: 40px; }
.py-60 { padding-top: 60px; padding-bottom: 60px; }

.hidden { display: none; }
.visible { display: block; }
.flex { display: flex; }
.flex-center { 
  display: flex; 
  align-items: center; 
  justify-content: center; 
}

.clearfix::after {
  content: '';
  display: table;
  clear: both;
}

/* ========================================
   ��������ҳ����ʽ
   ======================================== */

/* ����ҳ�� Hero */
.about-hero {
  background: linear-gradient(135deg, #EFF6FF 0%, #FFFFFF 50%, #F0FDF4 100%);
  padding: 80px 0;
}

.about-hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-hero-content h1 {
  font-size: 42px;
  font-weight: 700;
  color: #1E293B;
  margin-bottom: 20px;
  line-height: 1.3;
}

.about-hero-content h1 span {
  background: linear-gradient(135deg, #2563EB, #3B82F6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-hero-content p {
  font-size: 16px;
  color: #64748B;
  line-height: 1.8;
  margin-bottom: 30px;
}

.about-hero-stats {
  display: flex;
  gap: 40px;
}

.about-hero-stat {
  text-align: left;
}

.about-hero-stat .number {
  font-size: 36px;
  font-weight: 700;
  color: #2563EB;
  line-height: 1;
  margin-bottom: 8px;
}

.about-hero-stat .label {
  font-size: 14px;
  color: #64748B;
}

.about-hero-image {
  position: relative;
}

.about-hero-image img {
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

.about-hero-image::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #2563EB 0%, #3B82F6 100%);
  border-radius: 20px;
  z-index: -1;
  opacity: 0.1;
}

/* ʹ��Ը�� */
.mission-section {
  padding: 100px 0;
  background: #FFFFFF;
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.mission-card {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 20px;
  padding: 40px 30px;
  text-align: center;
  transition: all 0.3s ease;
}

.mission-card:hover {
  background: #FFFFFF;
  border-color: #2563EB;
  transform: translateY(-8px);
  box-shadow: 0 20px 40px -15px rgba(37, 99, 235, 0.15);
}

.mission-card .icon-wrap {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
}

.mission-card:nth-child(1) .icon-wrap {
  background: linear-gradient(135deg, #2563EB, #3B82F6);
  color: #FFFFFF;
}

.mission-card:nth-child(2) .icon-wrap {
  background: linear-gradient(135deg, #10B981, #34D399);
  color: #FFFFFF;
}

.mission-card:nth-child(3) .icon-wrap {
  background: linear-gradient(135deg, #8B5CF6, #A78BFA);
  color: #FFFFFF;
}

.mission-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: #1E293B;
  margin-bottom: 12px;
}

.mission-card p {
  font-size: 14px;
  color: #64748B;
  line-height: 1.7;
}

/* ��չ���� */
.history-section {
  padding: 100px 0;
  background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, #2563EB 0%, #10B981 100%);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  padding: 30px 0;
  display: flex;
  align-items: center;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background: #FFFFFF;
  border: 4px solid #2563EB;
  border-radius: 50%;
  z-index: 1;
}

.timeline-item:nth-child(1) .timeline-dot { border-color: #2563EB; }
.timeline-item:nth-child(2) .timeline-dot { border-color: #3B82F6; }
.timeline-item:nth-child(3) .timeline-dot { border-color: #10B981; }
.timeline-item:nth-child(4) .timeline-dot { border-color: #34D399; }
.timeline-item:nth-child(5) .timeline-dot { border-color: #8B5CF6; }
.timeline-item:nth-child(6) .timeline-dot { border-color: #A78BFA; }

.timeline-content {
  width: calc(50% - 50px);
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  padding: 30px;
  transition: all 0.3s ease;
}

.timeline-content:hover {
  box-shadow: 0 10px 30px -10px rgba(37, 99, 235, 0.15);
  border-color: #2563EB;
}

.timeline-item:nth-child(odd) .timeline-content {
  text-align: right;
}

.timeline-year {
  display: inline-block;
  background: linear-gradient(135deg, #2563EB, #3B82F6);
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.timeline-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: #1E293B;
  margin-bottom: 8px;
}

.timeline-content p {
  font-size: 14px;
  color: #64748B;
  line-height: 1.6;
}

/* ��Ӧʽ */
@media (max-width: 768px) {
  .about-hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .about-hero-content h1 {
    font-size: 32px;
  }
  
  .about-hero-stats {
    gap: 24px;
  }
  
  .about-hero-stat .number {
    font-size: 28px;
  }
  
  .mission-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item,
  .timeline-item:nth-child(odd) {
    flex-direction: column;
    align-items: flex-start;
    padding-left: 50px;
  }
  
  .timeline-dot {
    left: 20px;
  }
  
  .timeline-content,
  .timeline-item:nth-child(odd) .timeline-content {
    width: 100%;
    text-align: left;
  }
}
}

/* ========================================
   下载页面样式
   ======================================== */
.downloads-section {
  padding: 60px 0;
}

.downloads-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* 下载列表 - 横向布局 */
.download-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.download-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  padding: 24px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  text-decoration: none;
  transition: all 0.3s ease;
}

.download-card:hover {
  border-color: #2563EB;
  box-shadow: 0 10px 40px rgba(37, 99, 235, 0.1);
  transform: translateX(8px);
}

.download-card .card-icon {
  flex-shrink: 0;
  width: 100px;
  height: 100px;
  border-radius: 20px;
  overflow: hidden;
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.download-card .card-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.download-card .card-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.download-card .card-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: #1E293B;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.download-card .download-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #2563EB 0%, #3B82F6 100%);
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 9999px;
  transition: all 0.3s ease;
}

.download-card:hover .download-btn {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.download-card .card-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.download-card .card-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: #64748B;
}

.download-card .card-meta i {
  font-size: 16px;
}

.download-card .card-content p {
  font-size: 14px;
  color: #64748B;
  line-height: 1.6;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  margin: 0;
}

/* 下载快捷入口 */
.download-quick .quick-item:hover {
  border-color: #2563EB;
  box-shadow: 0 10px 40px rgba(37, 99, 235, 0.1);
  transform: translateY(-4px);
}

/* 应用详情页 */
.app-detail .app-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
}

.app-main {
  background: #FFFFFF;
  border-radius: 16px;
  padding: 40px;
  border: 1px solid #E2E8F0;
}

.app-body {
  font-size: 15px;
  line-height: 1.8;
  color: #475569;
}

.app-body img {
  max-width: 100%;
  border-radius: 12px;
  margin: 20px 0;
}

.app-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-widget {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  padding: 24px;
}

.widget-title {
  font-size: 16px;
  font-weight: 600;
  color: #1E293B;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.widget-title i {
  color: #2563EB;
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid #F1F5F9;
}

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

.info-item .label {
  font-size: 14px;
  color: #64748B;
}

.info-item .value {
  font-size: 14px;
  font-weight: 500;
  color: #1E293B;
}

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

.recommend-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: #F8FAFC;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.recommend-item:hover {
  background: #EFF6FF;
}

.recommend-title {
  font-size: 14px;
  color: #475569;
}

/* ========================================
   右侧悬浮菜单 - Float Window
   ======================================== */
.floatWindow {
  position: fixed;
  right: 35px;
  bottom: 24%;
  width: 65px;
  z-index: 99;
  cursor: pointer;
}

.floatWindow .list {
  margin-top: -5px;
}

.floatWindow .list .item {
  margin-bottom: 5px;
  position: relative;
  width: 44px;
  height: 44px;
  background-color: #666666;
  line-height: 44px;
  text-align: center;
  color: #fff;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.floatWindow .list .item:hover {
  background-color: #2563EB;
  transform: scale(1.1);
}

.floatWindow .list .item .itemCon {
  right: 100%;
  position: absolute;
  top: 0;
  display: none;
  padding-right: 20px;
}

.floatWindow .list .item.return {
  background-color: #94A3B8;
}

.floatWindow .list .item.return:hover {
  background-color: #64748B;
}

.floatWindow .list .item .iconfont {
  font-size: 22px;
}

/* 二维码弹出 */
.floatWindow .list .item .itemCon .ewm .pictrue {
  width: 150px;
  height: 150px;
  vertical-align: middle;
  margin: 4.5px;
  position: relative;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  background: #FFFFFF;
  padding: 8px;
}

.floatWindow .list .item .itemCon .ewm .pictrue img {
  width: 100%;
  height: 100%;
  border-radius: 8px;
}

/* 箭头 */
.floatWindow .list .item .itemCon .ewm .pictrue .arrow,
.floatWindow .list .item .itemCon .qq .arrow,
.floatWindow .list .item .itemCon .phone .arrow {
  position: absolute;
  right: -16px;
  top: 10px;
  width: 0px;
  height: 0px;
  border: 8px solid transparent;
  border-left-color: #E2E8F0;
}

.floatWindow .list .item .itemCon .ewm .pictrue .arrow:before,
.floatWindow .list .item .itemCon .qq .arrow:before,
.floatWindow .list .item .itemCon .phone .arrow:before {
  position: absolute;
  left: -8px;
  top: -7px;
  content: "";
  width: 0px;
  height: 0px;
  border: 7px solid transparent;
  border-left-color: #fff;
}

/* QQ客服弹出 */
.floatWindow .list .item .itemCon .qq,
.floatWindow .list .item .itemCon .phone {
  width: 220px;
  border: 1px solid #E2E8F0;
  padding: 16px;
  font-size: 15px;
  color: #1E293B;
  background-color: #fff;
  position: relative;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.floatWindow .list .item .itemCon .qq img,
.floatWindow .list .item .itemCon .phone img {
  vertical-align: middle;
  margin-right: 10px;
  border-radius: 50%;
  width: 42px;
  height: 42px;
}

.floatWindow .list .item .itemCon .phone .dis {
  display: inline-block;
  vertical-align: middle;
}

.floatWindow .list .item .itemCon .phone .items {
  height: 25px;
  line-height: 25px;
}

.floatWindow .list .item .itemCon .phone .items.num {
  color: #2563EB;
  font-weight: 600;
}

/* 分页样式 */
.pagination-wrapper {
  text-align: center;
  padding: 20px 0;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  font-size: 14px;
  color: #475569;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.pagination a:hover {
  background: #EFF6FF;
  border-color: #2563EB;
  color: #2563EB;
}

.pagination .page-num-current {
  background: #2563EB;
  border-color: #2563EB;
  color: #FFFFFF;
}

/* 下载页面响应式 */
@media (max-width: 992px) {
  .downloads-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .download-card {
    gap: 16px;
  }
  
  .download-card .card-icon {
    width: 80px;
    height: 80px;
  }
  
  .app-detail .app-layout {
    grid-template-columns: 1fr;
  }
  
  .app-sidebar {
    order: -1;
  }
}

@media (max-width: 576px) {
  .downloads-grid {
    grid-template-columns: 1fr;
  }
  
  .download-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .download-card .card-icon {
    width: 100px;
    height: 100px;
  }
  
  .download-card .card-content {
    width: 100%;
  }
  
  .download-card .download-btn {
    width: 100%;
    justify-content: center;
  }
  
  .download-quick .quick-grid {
    grid-template-columns: 1fr !important;
  }
}