/* ===========================================


   UNI-ENERGY Core Design System v3.0


   商用级统一设计系统 - 全站283页共享


   Primary: #FF6B35 | Dark: #0f172a


   优化：字体系统、视觉层次、响应式


   创建时间：2026-07-03


   =========================================== */





/* ---- Design Tokens ---- */


:root {


  /* 主色调 - 橙电品牌色 */


  --primary: #FF6B35;


  --primary-dark: #E55A2B;


  --primary-light: #FFF3EE;


  --primary-deep: #CC5500;


  --primary-50: #FFF7F3;


  --primary-100: #FFE8DC;


  --primary-200: #FFCDB0;


  --primary-300: #FFA87D;


  --primary-400: #FF8A52;


  --primary-500: #FF6B35;


  --primary-600: #F5571F;


  --primary-700: #E04618;


  --primary-800: #C93D17;


  --primary-900: #A73213;





  /* 深色系 */


  --dark: #0f172a;


  --dark2: #131B2E;


  --dark3: #1e293b;


  --dark4: #334155;





  /* 文本色 - 优化对比度 */


  --text: #1d1d1f;


  --text-secondary: #4a4a4f;


  --text-muted: #6B7280;


  --text-light: #94a3b8;


  --text-white: #FFFFFF;





  /* 边框色 */


  --border: #E5E7EB;


  --border-light: #F0F0F0;


  --border-lighter: #F9FAFB;





  /* 背景色 */


  --bg: #F8F9FA;


  --bg-white: #FFFFFF;


  --bg-light: #f5f5f7;


  --bg-lighter: #fafafa;


  --bg-dark: #0f172a;


  --bg-dark2: #131B2E;





  /* 语义色 */


  --success: #16a34a;


  --success-light: #dcfce7;


  --warning: #f59e0b;


  --warning-light: #fef3c7;


  --danger: #dc2626;


  --danger-light: #fee2e2;


  --info: #3b82f6;


  --info-light: #dbeafe;





  /* 圆角 */


  --radius-sm: 6px;


  --radius: 12px;


  --radius-md: 10px;


  --radius-lg: 20px;


  --radius-xl: 24px;


  --radius-full: 9999px;





  /* 阴影 - 优化层次 */


  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);


  --shadow: 0 4px 24px rgba(0,0,0,0.08);


  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);


  --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);


  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);


  --shadow-inner: inset 0 2px 4px rgba(0,0,0,0.06);





  /* 过渡 */


  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);


  --transition-fast: 0.15s cubic-bezier(0.4,0,0.2,1);


  --transition-slow: 0.5s cubic-bezier(0.4,0,0.2,1);





  /* 布局 */


  --max-w: 1200px;


  --nav-h: 72px;


  --section-pad: 80px;


}





/* ---- 字体系统 v3.0 - 商用级优化 ---- */


/* 优化：减少Google Fonts依赖，优先使用系统字体 */


@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');





html {


  /* 中文字体优先级：系统字体 → Google Fonts →  fallback */


  font-family: 


    /* 西文 */


    'Inter',


    /* 中文：优先系统字体（快） */


    -apple-system, 


    BlinkMacSystemFont, 


    'PingFang SC',          /* macOS */


    'Hiragino Sans GB',     /* macOS 旧版 */


    'Microsoft YaHei',       /* Windows */


    'WenQuanYi Micro Hei', /* Linux */


    'Noto Sans SC',          /* Google Fonts（备用） */


    sans-serif;


  


  /* 字体渲染优化 */


  -webkit-font-smoothing: antialiased;


  -moz-osx-font-smoothing: grayscale;


  text-rendering: optimizeLegibility;


  font-feature-settings: 'kern' 1;


  font-kerning: normal;


}





/* 字体大小层级 - 严格的视觉层次 */


.text-xs { font-size: 12px; line-height: 1.5; }


.text-sm { font-size: 14px; line-height: 1.5; }


.text-base { font-size: 16px; line-height: 1.6; }


.text-lg { font-size: 18px; line-height: 1.6; }


.text-xl { font-size: 20px; line-height: 1.5; }


.text-2xl { font-size: 24px; line-height: 1.4; }


.text-3xl { font-size: 30px; line-height: 1.3; }


.text-4xl { font-size: 36px; line-height: 1.2; }


.text-5xl { font-size: 48px; line-height: 1.1; }


.text-6xl { font-size: 60px; line-height: 1.1; }





/* 字体粗细 */


.font-light { font-weight: 300; }


.font-normal { font-weight: 400; }


.font-medium { font-weight: 500; }


.font-semibold { font-weight: 600; }


.font-bold { font-weight: 700; }





/* 字体优化 */


h1, h2, h3, h4, h5, h6 {


  font-weight: 600;


  line-height: 1.3;


  color: var(--text);


  margin-top: 0;


}





h1 { font-size: 36px; margin-bottom: 16px; }


h2 { font-size: 30px; margin-bottom: 14px; }


h3 { font-size: 24px; margin-bottom: 12px; }


h4 { font-size: 20px; margin-bottom: 10px; }


h5 { font-size: 18px; margin-bottom: 8px; }


h6 { font-size: 16px; margin-bottom: 6px; }





p {


  margin-top: 0;


  margin-bottom: 16px;


  line-height: 1.6;


  color: var(--text-secondary);


}





/* ---- 配色方案 - 简洁大方 ---- */


/* 主色应用 */


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


.bg-primary { background-color: var(--primary) !important; }


.border-primary { border-color: var(--primary) !important; }





/* 深色应用 */


.text-dark { color: var(--dark) !important; }


.bg-dark { background-color: var(--dark) !important; }





/* 语义色应用 */


.text-success { color: var(--success) !important; }


.text-warning { color: var(--warning) !important; }


.text-danger { color: var(--danger) !important; }


.text-info { color: var(--info) !important; }





/* ---- 间距系统 - 统一视觉节奏 ---- */


/* 内边距 */


.p-0 { padding: 0; }


.p-1 { padding: 4px; }


.p-2 { padding: 8px; }


.p-3 { padding: 12px; }


.p-4 { padding: 16px; }


.p-5 { padding: 20px; }


.p-6 { padding: 24px; }


.p-8 { padding: 32px; }


.p-10 { padding: 40px; }


.p-12 { padding: 48px; }





/* 外边距 */


.m-0 { margin: 0; }


.m-1 { margin: 4px; }


.m-2 { margin: 8px; }


.m-3 { margin: 12px; }


.m-4 { margin: 16px; }


.m-5 { margin: 20px; }


.m-6 { margin: 24px; }


.m-8 { margin: 32px; }


.m-10 { margin: 40px; }


.m-12 { margin: 48px; }





/* 上下间距 */


.mt-0 { margin-top: 0; }


.mt-1 { margin-top: 4px; }


.mt-2 { margin-top: 8px; }


.mt-3 { margin-top: 12px; }


.mt-4 { margin-top: 16px; }


.mt-5 { margin-top: 20px; }


.mt-6 { margin-top: 24px; }


.mt-8 { margin-top: 32px; }


.mt-10 { margin-top: 40px; }


.mt-12 { margin-top: 48px; }





.mb-0 { margin-bottom: 0; }


.mb-1 { margin-bottom: 4px; }


.mb-2 { margin-bottom: 8px; }


.mb-3 { margin-bottom: 12px; }


.mb-4 { margin-bottom: 16px; }


.mb-5 { margin-bottom: 20px; }


.mb-6 { margin-bottom: 24px; }


.mb-8 { margin-bottom: 32px; }


.mb-10 { margin-bottom: 40px; }


.mb-12 { margin-bottom: 48px; }





/* ---- 布局系统 ---- */


.container {


  max-width: var(--max-w);


  margin-left: auto;


  margin-right: auto;


  padding-left: 20px;


  padding-right: 20px;


}





.section {


  padding-top: var(--section-pad);


  padding-bottom: var(--section-pad);


}





.section-sm {


  padding-top: 40px;


  padding-bottom: 40px;


}





.section-lg {


  padding-top: 120px;


  padding-bottom: 120px;


}





/* 网格系统 */


.grid {


  display: grid;


  gap: 24px;


}





.grid-2 { grid-template-columns: repeat(2, 1fr); }


.grid-3 { grid-template-columns: repeat(3, 1fr); }


.grid-4 { grid-template-columns: repeat(4, 1fr); }


.grid-5 { grid-template-columns: repeat(5, 1fr); }





@media (max-width: 768px) {


  .grid-2, .grid-3, .grid-4, .grid-5 {


    grid-template-columns: 1fr;


  }


}





/* Flex系统 */


.flex { display: flex; }


.flex-wrap { flex-wrap: wrap; }


.flex-col { flex-direction: column; }


.items-center { align-items: center; }


.items-start { align-items: flex-start; }


.items-end { align-items: flex-end; }


.justify-center { justify-content: center; }


.justify-between { justify-content: space-between; }


.justify-around { justify-content: space-around; }


.flex-1 { flex: 1; }





/* ---- 按钮系统 v3.0 ---- */


.btn {


  display: inline-flex;


  align-items: center;


  justify-content: center;


  padding: 12px 28px;


  font-size: 15px;


  font-weight: 500;


  line-height: 1.5;


  border-radius: var(--radius);


  border: 2px solid transparent;


  cursor: pointer;


  transition: all var(--transition);


  text-decoration: none;


  white-space: nowrap;


}





.btn-primary {


  background: var(--primary);


  color: #fff;


  border-color: var(--primary);


}





.btn-primary:hover {


  background: var(--primary-dark);


  border-color: var(--primary-dark);


  transform: translateY(-2px);


  box-shadow: var(--shadow-md);


}





.btn-outline {


  background: transparent;


  color: var(--primary);


  border-color: var(--primary);


}





.btn-outline:hover {


  background: var(--primary);


  color: #fff;


  transform: translateY(-2px);


}





.btn-sm {


  padding: 8px 20px;


  font-size: 14px;


}





.btn-lg {


  padding: 16px 40px;


  font-size: 16px;


}





.btn-block {


  width: 100%;


}





/* ---- 卡片系统 ---- */


.card {


  background: var(--bg-white);


  border-radius: var(--radius);


  box-shadow: var(--shadow);


  padding: 24px;


  transition: all var(--transition);


}





.card:hover {


  transform: translateY(-4px);


  box-shadow: var(--shadow-lg);


}





.card-sm {


  padding: 16px;


}





.card-lg {


  padding: 32px;


}





/* ---- 表单系统 ---- */


.form-group {


  margin-bottom: 20px;


}





.form-label {


  display: block;


  font-size: 14px;


  font-weight: 500;


  color: var(--text);


  margin-bottom: 8px;


}





.form-input,


.form-textarea,


.form-select {


  width: 100%;


  padding: 12px 16px;


  font-size: 15px;


  line-height: 1.5;


  color: var(--text);


  background: var(--bg-white);


  border: 2px solid var(--border);


  border-radius: var(--radius-sm);


  transition: all var(--transition-fast);


}





.form-input:focus,


.form-textarea:focus,


.form-select:focus {


  outline: none;


  border-color: var(--primary);


  box-shadow: 0 0 0 3px var(--primary-light);


}





.form-textarea {


  min-height: 120px;


  resize: vertical;


}





/* ---- 导航系统 ---- */


.nav {


  position: fixed;


  top: 0;


  left: 0;


  right: 0;


  height: var(--nav-h);


  background: rgba(255,255,255,0.95);


  backdrop-filter: blur(10px);


  border-bottom: 1px solid var(--border-light);


  z-index: 1000;


  transition: all var(--transition);


}





.nav.scrolled {


  box-shadow: var(--shadow);


}





.nav-inner {


  max-width: var(--max-w);


  margin: 0 auto;


  padding: 0 20px;


  height: 100%;


  display: flex;


  align-items: center;


  justify-content: space-between;


}





/* ---- 页脚系统 ---- */


.footer {


  background: var(--dark);


  color: var(--text-white);


  padding: 60px 0 40px;


}





.footer a {


  color: rgba(255,255,255,0.7);


  transition: color var(--transition-fast);


}





.footer a:hover {


  color: var(--primary);


}





/* ---- 响应式优化 ---- */


@media (max-width: 1200px) {


  :root {


    --max-w: 960px;


  }


}





@media (max-width: 768px) {


  :root {


    --section-pad: 60px;


    --nav-h: 64px;


  }





  h1 { font-size: 28px; }


  h2 { font-size: 24px; }


  h3 { font-size: 20px; }


  h4 { font-size: 18px; }





  .container {


    padding-left: 16px;


    padding-right: 16px;


  }





  .section {


    padding-top: 60px;


    padding-bottom: 60px;


  }


}





@media (max-width: 480px) {


  h1 { font-size: 24px; }


  h2 { font-size: 20px; }


  h3 { font-size: 18px; }





  .btn {


    padding: 10px 20px;


    font-size: 14px;


  }


}





/* ---- 动画系统 ---- */


@keyframes fadeIn {


  from {


    opacity: 0;


    transform: translateY(20px);


  }


  to {


    opacity: 1;


    transform: translateY(0);


  }


}





@keyframes slideInLeft {


  from {


    opacity: 0;


    transform: translateX(-30px);


  }


  to {


    opacity: 1;


    transform: translateX(0);


  }


}





@keyframes slideInRight {


  from {


    opacity: 0;


    transform: translateX(30px);


  }


  to {


    opacity: 1;


    transform: translateX(0);


  }


}





.animate-fadeIn {


  animation: fadeIn 0.6s ease-out;


}





.animate-slideInLeft {


  animation: slideInLeft 0.6s ease-out;


}





.animate-slideInRight {


  animation: slideInRight 0.6s ease-out;


}





/* ---- 工具类 ---- */


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


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


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





.font-bold { font-weight: 700; }


.font-semibold { font-weight: 600; }


.font-medium { font-weight: 500; }





.leading-tight { line-height: 1.3; }


.leading-normal { line-height: 1.6; }


.leading-relaxed { line-height: 1.8; }





.tracking-tight { letter-spacing: -0.5px; }


.tracking-normal { letter-spacing: normal; }


.tracking-wide { letter-spacing: 0.5px; }





.rounded-sm { border-radius: var(--radius-sm); }


.rounded { border-radius: var(--radius); }


.rounded-lg { border-radius: var(--radius-lg); }


.rounded-full { border-radius: var(--radius-full); }





.shadow-sm { box-shadow: var(--shadow-sm); }


.shadow { box-shadow: var(--shadow); }


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


.shadow-lg { box-shadow: var(--shadow-lg); }





.transition { transition: all var(--transition); }


.transition-fast { transition: all var(--transition-fast); }





/* 清除浮动 */


.clearfix::after {


  content: '';


  display: table;


  clear: both;


}





/* 图片优化 */


img {


  max-width: 100%;


  height: auto;


}





.img-cover {


  object-fit: cover;


  width: 100%;


  height: 100%;


}





.img-contain {


  object-fit: contain;


  width: 100%;


  height: 100%;


}





/* 滚动优化 */


html {


  scroll-behavior: smooth;


}





/* 选择文本颜色 */


::selection {


  background: var(--primary-light);


  color: var(--primary-dark);


}











/* ===========================================


   组件布局系统 - 修复CTA/Footer/按钮排版


   =========================================== */





/* ---- 容器系统 ---- */


.container {


  width: 100%;


  max-width: var(--max-w, 1200px);


  margin-left: auto;


  margin-right: auto;


  padding-left: 24px;


  padding-right: 24px;


}


@media (max-width: 768px) {


  .container {


    padding-left: 20px;


    padding-right: 20px;


  }


}





/* ---- 按钮系统 ---- */


.btn {


  display: inline-flex;


  align-items: center;


  justify-content: center;


  gap: 8px;


  padding: 12px 28px;


  font-size: 15px;


  font-weight: 600;


  line-height: 1.5;


  border-radius: var(--radius-md, 10px);


  border: 1px solid transparent;


  cursor: pointer;


  text-decoration: none;


  transition: all var(--transition-fast) ease;


  white-space: nowrap;


}


.btn svg {


  flex-shrink: 0;


}





.btn-primary {


  background: var(--primary, #FF6B35);


  color: #FFFFFF !important;


  border-color: var(--primary, #FF6B35);


  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);


}


.btn-primary:hover {


  background: var(--primary-dark, #E55A2B);


  border-color: var(--primary-dark, #E55A2B);


  color: #FFFFFF !important;


  transform: translateY(-1px);


  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.45);


}





.btn-white {


  background: #FFFFFF;


  color: var(--primary, #FF6B35) !important;


  border-color: #FFFFFF;


  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);


}


.btn-white:hover {


  background: rgba(255, 255, 255, 0.92);


  border-color: rgba(255, 255, 255, 0.92);


  color: var(--primary-dark, #E55A2B) !important;


  transform: translateY(-1px);


}





.btn-outline {


  background: transparent;


  color: var(--primary, #FF6B35) !important;


  border-color: var(--primary, #FF6B35);


}


.btn-outline:hover {


  background: var(--primary, #FF6B35);


  color: #FFFFFF !important;


}





.btn-dark {


  background: var(--dark, #0f172a);


  color: #FFFFFF !important;


  border-color: var(--dark, #0f172a);


}


.btn-dark:hover {


  background: var(--dark3, #1e293b);


  border-color: var(--dark3, #1e293b);


  color: #FFFFFF !important;


}





/* ---- CTA 区域 ---- */


.cta-section,


.cta-banner,


.cta-wrap,


.cta-area,


.call-to-action {


  padding: 80px 0;


  background: var(--dark, #0f172a);


  color: #FFFFFF;


  position: relative;


  overflow: hidden;


}


.cta-section::before,


.cta-banner::before {


  content: "";


  position: absolute;


  inset: 0;


  background: radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.12) 0%, transparent 40%);


  pointer-events: none;


}


.cta-section .container,


.cta-banner .container {


  position: relative;


  z-index: 1;


}





.cta-box,


.cta-content,


.cta-inner {


  max-width: 720px;


  margin-left: auto;


  margin-right: auto;


  text-align: center;


  padding: 56px 40px;


  background: rgba(255, 255, 255, 0.04);


  border: 1px solid rgba(255, 255, 255, 0.08);


  border-radius: var(--radius-lg, 20px);


  backdrop-filter: blur(10px);


}





.cta-box h2,


.cta-content h2,


.cta-banner h2,


.cta-section h2 {


  font-size: clamp(28px, 4vw, 40px);


  font-weight: 700;


  line-height: 1.2;


  margin-bottom: 16px;


  color: #FFFFFF;


}





.cta-box p,


.cta-content p,


.cta-banner p,


.cta-section p {


  font-size: 17px;


  line-height: 1.7;


  color: rgba(255, 255, 255, 0.75);


  margin-bottom: 32px;


  max-width: 560px;


  margin-left: auto;


  margin-right: auto;


}





.cta-box .btn,


.cta-content .btn,


.cta-banner .btn,


.cta-section .btn {


  min-width: 160px;


  padding: 14px 32px;


  font-size: 16px;


}





@media (max-width: 768px) {


  .cta-box,


  .cta-content,


  .cta-inner {


    padding: 40px 24px;


  }


  .cta-section,


  .cta-banner {


    padding: 60px 0;


  }


}





/* ---- Footer 页脚 ---- */


.footer {


  background: var(--dark, #0f172a);


  color: rgba(255, 255, 255, 0.65);


  padding: 72px 0 32px;


  font-size: 15px;


  line-height: 1.6;


}





.footer-inner {


  max-width: var(--max-w, 1200px);


  margin: 0 auto;


  padding-left: 24px;


  padding-right: 24px;


}





.footer-grid {


  display: grid;


  grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr;


  gap: 48px;


  margin-bottom: 48px;


}





.footer-brand {


  max-width: 320px;


}





.footer-brand .nav-brand {


  margin-bottom: 20px;


  color: #FFFFFF;


}





.footer-brand .logo-icon {


  width: 36px;


  height: 36px;


  background: var(--primary, #FF6B35);


  color: #FFFFFF;


  border-radius: 8px;


  display: inline-flex;


  align-items: center;


  justify-content: center;


  font-weight: 700;


  font-size: 18px;


  margin-right: 10px;


}





.footer-brand p {


  color: rgba(255, 255, 255, 0.55);


  font-size: 14px;


  line-height: 1.8;


  margin: 0;


}





.footer-col h4,


.footer-col .footer-title {


  font-size: 16px;


  font-weight: 600;


  color: #FFFFFF;


  margin-bottom: 20px;


  padding-bottom: 12px;


  border-bottom: 1px solid rgba(255, 255, 255, 0.1);


}





.footer-col a {


  display: block;


  color: rgba(255, 255, 255, 0.6);


  text-decoration: none;


  padding: 6px 0;


  font-size: 14px;


  transition: color var(--transition-fast) ease, transform var(--transition-fast) ease;


}





.footer-col a:hover {


  color: var(--primary, #FF6B35);


  transform: translateX(3px);


}





.footer-bottom {


  border-top: 1px solid rgba(255, 255, 255, 0.08);


  padding-top: 24px;


  display: flex;


  flex-wrap: wrap;


  justify-content: space-between;


  align-items: center;


  gap: 12px;


  color: rgba(255, 255, 255, 0.45);


  font-size: 13px;


}





.footer-bottom a {


  color: rgba(255, 255, 255, 0.5);


  text-decoration: none;


  transition: color var(--transition-fast) ease;


}





.footer-bottom a:hover {


  color: var(--primary, #FF6B35);


}





.footer-bottom p {


  margin: 0;


}





@media (max-width: 992px) {


  .footer-grid {


    grid-template-columns: 1.2fr 1fr 1fr;


    gap: 36px;


  }


  .footer-brand {


    grid-column: 1 / -1;


    max-width: 100%;


  }


}





@media (max-width: 768px) {


  .footer {


    padding: 56px 0 24px;


  }


  .footer-grid {


    grid-template-columns: 1fr 1fr;


    gap: 28px;


    margin-bottom: 36px;


  }


  .footer-brand {


    grid-column: 1 / -1;


  }


  .footer-bottom {


    flex-direction: column;


    text-align: center;


    gap: 8px;


  }


}





@media (max-width: 480px) {


  .footer-grid {


    grid-template-columns: 1fr;


    gap: 28px;


  }


  .footer-col h4 {


    margin-bottom: 14px;


  }


}





/* ---- 打印优化 ---- */


@media print {


  .nav, .footer, .btn {


    display: none !important;


  }





  body {


    color: #000;


    background: #fff;


  }


}





/* ---- 无障碍优化 ---- */


:focus {


  outline: 2px solid var(--primary);


  outline-offset: 2px;


}





:focus:not(:focus-visible) {


  outline: none;


}





.sr-only {


  position: absolute;


  width: 1px;


  height: 1px;


  padding: 0;


  margin: -1px;


  overflow: hidden;


  clip: rect(0,0,0,0);


  white-space: nowrap;


  border-width: 0;


}





/* ===========================================


   全站文字/背景色冲突修复覆盖层 v2.0


   修复150+页面内联样式导致的深色文字在深色背景上不可见问题


   2026-07-04


   =========================================== */





/* ---- 1. Footer 强制色彩覆盖 ---- */


/* 根因：core.css .footer background:#0f172a (深色)，


   但150+页面内联style给footer文字设了 #888/#444 等深色 → 不可见 */





.footer,


.footer * {


  color: rgba(255,255,255,0.65) !important;


}





.footer h1, .footer h2, .footer h3, .footer h4, .footer h5, .footer h6,


.footer .footer-title, .footer .footer-logo, .footer .footer-brand,


.footer .ft-title, .footer .ft-col h4, .footer .col-title {


  color: #FFFFFF !important;


}





.footer .footer-logo small,


.footer small,


.footer .copyright,


.footer .footer-copyright,


.footer .ft-copyright {


  color: rgba(255,255,255,0.4) !important;


}





.footer .footer-desc,


.footer .footer-text,


.footer p,


.footer .desc {


  color: rgba(255,255,255,0.55) !important;


}





.footer a, .footer a:link, .footer a:visited {


  color: rgba(255,255,255,0.6) !important;


  text-decoration: none !important;


}





.footer a:hover, .footer a:active, .footer a:focus {


  color: #FF6B35 !important;


}





/* footer 内的图标颜色 */


.footer svg, .footer .icon, .footer i {


  color: rgba(255,255,255,0.5) !important;


}





/* footer 分隔线 */


.footer hr, .footer .divider, .footer .footer-divider {


  border-color: rgba(255,255,255,0.1) !important;


  background: rgba(255,255,255,0.1) !important;


}





/* footer 内的标签/徽章 */


.footer .tag, .footer .badge, .footer .label {


  background: rgba(255,107,53,0.15) !important;


  color: #FF6B35 !important;


}





/* ---- 2. CTA Banner 强制色彩覆盖 ---- */


/* 根因：CTA区域通常用深色背景，但文字可能被内联样式设为深色 */





.cta-banner, .cta-section, .cta-box, .cta-wrap,


.cta, .call-to-action, .cta-area {


  background: #0f172a !important;


  color: #FFFFFF !important;


}





.cta-banner h1, .cta-banner h2, .cta-banner h3, .cta-banner h4,


.cta-section h1, .cta-section h2, .cta-section h3, .cta-section h4,


.cta-box h1, .cta-box h2, .cta-box h3, .cta-box h4,


.cta h1, .cta h2, .cta h3, .cta h4,


.call-to-action h1, .call-to-action h2, .call-to-action h3, .call-to-action h4 {


  color: #FFFFFF !important;


}





.cta-banner p, .cta-section p, .cta-box p, .cta p, .call-to-action p,


.cta-banner .desc, .cta-section .desc, .cta-box .desc, .cta .desc {


  color: rgba(255,255,255,0.75) !important;


}





.cta-banner .btn, .cta-section .btn, .cta-box .btn, .cta .btn,


.call-to-action .btn {


  background: #FF6B35 !important;


  color: #FFFFFF !important;


  border: none !important;


}





.cta-banner .btn:hover, .cta-section .btn:hover, .cta-box .btn:hover, .cta .btn:hover {


  background: #E55A2B !important;


  color: #FFFFFF !important;


}





.cta-banner .btn-outline, .cta-section .btn-outline, .cta-box .btn-outline {


  background: transparent !important;


  color: #FFFFFF !important;


  border: 1px solid rgba(255,255,255,0.4) !important;


}





.cta-banner .btn-outline:hover, .cta-section .btn-outline:hover, .cta-box .btn-outline:hover {


  background: rgba(255,255,255,0.1) !important;


  border-color: #FFFFFF !important;


}





/* ---- 3. Hero 区域文字色保障 ---- */


/* 根因：部分scene页面 hero 用深色背景但文字设了 #888 */





.hero {


  color: #FFFFFF !important;


}





.hero h1, .hero h2, .hero h3, .hero h4, .hero h5 {


  color: #FFFFFF !important;


}





.hero h1 .accent, .hero h1 .orange, .hero h1 .hl, .hero h1 em, .hero h1 span,


.hero h2 .accent, .hero h2 .orange, .hero h2 .hl, .hero h2 em, .hero h2 span,


.hero .stat-num, .hero .hero-stat-num, .hero .num {


  color: #FF6B35 !important;


}





/* hero 段落 — 深色背景上用浅灰 */


.hero p, .hero .desc, .hero .hero-desc, .hero > p, .hero .subtitle {


  color: rgba(255,255,255,0.75) !important;


}





/* hero 统计数据标签 */


.hero .stat-label, .hero .hero-stat p, .hero .stat-label,


.hero .hero-stat-label {


  color: rgba(255,255,255,0.6) !important;


}





/* hero 徽章 */


.hero .hero-badge, .hero .badge {


  color: #FF6B35 !important;


  background: rgba(255,107,53,0.12) !important;


}





/* page-hero 同理 */


.page-hero {


  color: #FFFFFF !important;


}


.page-hero h1, .page-hero h2, .page-hero h3 {


  color: #FFFFFF !important;


}


.page-hero h1 .orange, .page-hero h1 span, .page-hero h1 em {


  color: #FF6B35 !important;


}


.page-hero p, .page-hero .desc {


  color: rgba(255,255,255,0.72) !important;


}


.page-hero .tag {


  color: #FF6B35 !important;


}





/* mission-hero (橙色背景) */


.mission-hero {


  color: #FFFFFF !important;


}


.mission-hero h1, .mission-hero h2, .mission-hero h3 {


  color: #FFFFFF !important;


}


.mission-hero p {


  color: rgba(255,255,255,0.85) !important;


}





/* contact-hero (深色渐变背景) */


.contact-hero {


  color: #FFFFFF !important;


}


.contact-hero h1, .contact-hero h2 {


  color: #FFFFFF !important;


}


.contact-hero h1 span {


  color: #FF6B35 !important;


}


.contact-hero p {


  color: rgba(255,255,255,0.7) !important;


}





/* hero-merchant (深色渐变背景) */


.hero-merchant {


  color: #FFFFFF !important;


}


.hero-merchant h1, .hero-merchant h2 {


  color: #FFFFFF !important;


}


.hero-merchant h1 span {


  color: #FF6B35 !important;


}


.hero-merchant p {


  color: rgba(255,255,255,0.65) !important;


}





/* chat-hero (深色渐变背景) */


.chat-hero {


  color: #FFFFFF !important;


}


.chat-hero h1, .chat-hero h2 {


  color: #FFFFFF !important;


}


.chat-hero p {


  color: rgba(255,255,255,0.65) !important;


}





/* ---- 4. 导航栏文字色保障 ---- */


/* 导航栏通常白色或透明背景，文字应为深色 */


.nav-logo, .nav-logo a, .nav-brand, .nav-brand a {


  color: #1d1d1f !important;


}





.nav-links a, .nav-links a:link, .nav-links a:visited {


  color: #4a4a4f !important;


}





.nav-links a:hover, .nav-links a.active, .nav-links a.on {


  color: #FF6B35 !important;


}





/* 导航栏在滚动后(白色背景) — 保持深色文字 */


.nav.scrolled .nav-logo,


.nav.scrolled .nav-logo a,


.nav.scrolled .nav-brand,


.nav.scrolled .nav-brand a {


  color: #1d1d1f !important;


}





.nav.scrolled .nav-links a {


  color: #4a4a4f !important;


}





/* nav-logo-text 强制白色 → 如果导航栏背景是深色的话 */


/* 但如果导航栏背景是白色，nav-logo-text 应该是深色 */


/* 根据扫描结果：nav-logo-text color:#fff 在很多页面出现 */


/* 如果导航栏背景是白色 → 白色文字不可见！ */


/* 修复：nav-logo-text 改为深色 */


.nav-logo-text {


  color: #1d1d1f !important;


}





/* ---- 5. 深色背景区域通用保障 ---- */


.bg-dark, .bg-dark * {


  color: rgba(255,255,255,0.8) !important;


}





.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4, .bg-dark h5 {


  color: #FFFFFF !important;


}





.bg-dark .accent, .bg-dark .orange, .bg-dark .highlight {


  color: #FF6B35 !important;


}





/* ---- 6. 特定页面修复 ---- */





/* scene-* 页面 hero p 标签 color:#888 在深色背景上 */


.scene-hero p, .scene-hero .desc {


  color: rgba(255,255,255,0.75) !important;


}





/* secondhand.html hero .slogan-top color:var(--gray) */


.hero .slogan-top {


  color: rgba(255,255,255,0.6) !important;


}





/* generation.html page-hero h1 color:#1a1a1a */


.generation .page-hero h1,


.page-hero h1 {


  color: #FFFFFF !important;


}


.page-hero h1 span {


  color: #FF6B35 !important;


}





/* ---- 7. sidebar 深色背景文字 ---- */


.sidebar, .side-nav, .side-menu {


  color: rgba(255,255,255,0.7) !important;


}





.sidebar h4, .side-nav h4, .side-menu h4,


.sidebar .title, .side-nav .title, .side-menu .title {


  color: #FFFFFF !important;


}





.sidebar a, .side-nav a, .side-menu a {


  color: rgba(255,255,255,0.65) !important;


}





.sidebar a:hover, .side-nav a:hover, .side-menu a:hover,


.sidebar a.active, .side-nav a.active, .side-menu a.active {


  color: #FF6B35 !important;


}





.sidebar-footer, .side-nav-footer {


  color: rgba(255,255,255,0.4) !important;


}





/* ---- 8. 深色卡片/面板文字 ---- */


.dark-card, .dark-panel, .dark-box {


  color: rgba(255,255,255,0.8) !important;


}





.dark-card h1, .dark-card h2, .dark-card h3, .dark-card h4,


.dark-panel h1, .dark-panel h2, .dark-panel h3, .dark-panel h4 {


  color: #FFFFFF !important;


}





/* ---- 9. 表单在深色背景上 ---- */


.footer input, .footer textarea, .footer select {


  background: rgba(255,255,255,0.08) !important;


  color: #FFFFFF !important;


  border: 1px solid rgba(255,255,255,0.15) !important;


}





.footer input::placeholder, .footer textarea::placeholder {


  color: rgba(255,255,255,0.35) !important;


}





.footer input:focus, .footer textarea:focus, .footer select:focus {


  border-color: #FF6B35 !important;


  outline: none !important;


}





/* ---- 10. 移动端响应式 ---- */


@media (max-width: 768px) {


  .footer, .footer * {


    text-align: center !important;


  }


  


  .nav-links {


    background: #FFFFFF !important;


  }


  


  .nav-links a {


    color: #1d1d1f !important;


  }


}





/* ===========================================


   高特异性颜色覆盖层 v3.0


   修复内联 !important 无法被覆盖的问题


   2026-07-04


   =========================================== */





/* ---- 1. nav-logo-text 白色文字在白色导航栏上不可见 ---- */


/* 内联: .nav-logo-text{color:#fff!important} 特异性(0,1,0) */


/* 覆盖: .nav .nav-logo-text 特异性(0,2,0) → 更高优先级 */


.nav .nav-logo-text,


.nav-bar .nav-logo-text,


header .nav-logo-text,


.nav-wrap .nav-logo-text,


.nav-inner .nav-logo-text,


.nav-header .nav-logo-text {


  color: #1d1d1f !important;


}





/* 导航栏滚动后(白色背景) */


.nav.scrolled .nav-logo-text,


.nav-bar.scrolled .nav-logo-text {


  color: #1d1d1f !important;


}





/* 导航栏logo区域通用 */


.nav .nav-logo,


.nav .nav-logo a,


.nav .nav-brand,


.nav .nav-brand a,


.nav-bar .nav-logo,


.nav-bar .nav-logo a,


.nav-bar .nav-brand,


.nav-bar .nav-brand a,


header.nav .nav-logo,


header.nav .nav-brand {


  color: #1d1d1f !important;


}





/* ---- 2. footer-desc color:#888 在深色背景上 ---- */


/* 内联: .footer-desc{color:#888} 特异性(0,1,0) */


/* 覆盖: .footer .footer-desc 特异性(0,2,0) */


.footer .footer-desc,


.footer .footer-text,


.footer .desc,


.footer p,


.footer .footer-desc *,


.unified-footer .footer-desc,


.unified-footer .footer-text,


.unified-footer p,


.unified-footer .desc {


  color: rgba(255,255,255,0.55) !important;


}





/* footer-logo small color:#888 */


.footer .footer-logo small,


.unified-footer .footer-logo small,


.footer small,


.unified-footer small {


  color: rgba(255,255,255,0.4) !important;


}





/* footer-title color:#fff 已经是白色，但加一层保障 */


.footer .footer-title,


.unified-footer .footer-title,


.footer .ft-title,


.unified-footer .ft-title {


  color: #FFFFFF !important;


}





/* footer 链接颜色 */


.footer a,


.unified-footer a,


.footer .footer-grid a,


.unified-footer .footer-grid a {


  color: rgba(255,255,255,0.6) !important;


}





.footer a:hover,


.unified-footer a:hover,


.footer .footer-grid a:hover,


.unified-footer .footer-grid a:hover {


  color: #FF6B35 !important;


}





/* footer-logo 本体 */


.footer .footer-logo,


.unified-footer .footer-logo {


  color: #FFFFFF !important;


}





/* ---- 3. hero > p color:#888 在深色背景上 ---- */


/* 内联: .hero>p{color:#888} 特异性(0,1,1) */


/* 覆盖: .hero > p 特异性(0,1,1) + !important 已覆盖 */


/* 但加更高特异性保障 */


.hero > p,


.hero > .desc,


.hero > .subtitle,


.page-hero > p,


.page-hero > .desc,


.scene-hero > p,


.scene-hero > .desc {


  color: rgba(255,255,255,0.75) !important;


}





/* page-hero p color:#666 (generation.html) */


.page-hero p,


.page-hero .desc,


.page-hero .subtitle {


  color: rgba(255,255,255,0.72) !important;


}





/* ---- 4. nav-links color:var(--dark) 保障 ---- */


/* 导航链接在白色背景上应该是深色 */


.nav .nav-links a,


.nav-bar .nav-links a,


header.nav .nav-links a,


.nav-wrap .nav-links a {


  color: #4a4a4f !important;


}





.nav .nav-links a:hover,


.nav .nav-links a.active,


.nav .nav-links a.on,


.nav-bar .nav-links a:hover,


.nav-bar .nav-links a.active,


.nav-bar .nav-links a.on {


  color: #FF6B35 !important;


}





/* ---- 5. CTA banner 高特异性覆盖 ---- */


/* 某些页面 CTA 用了 !important */


.cta-banner *,


.cta-section *,


.cta-box *,


.cta-wrap * {


  color: rgba(255,255,255,0.75) !important;


}





.cta-banner h1, .cta-banner h2, .cta-banner h3, .cta-banner h4,


.cta-section h1, .cta-section h2, .cta-section h3, .cta-section h4,


.cta-box h1, .cta-box h2, .cta-box h3, .cta-box h4 {


  color: #FFFFFF !important;


}





.cta-banner .btn, .cta-section .btn, .cta-box .btn,


.cta-banner .btn-primary, .cta-section .btn-primary, .cta-box .btn-primary {


  background: #FF6B35 !important;


  color: #FFFFFF !important;


  border: none !important;


}





/* ---- 6. 深色 hero 区域所有文字保障 ---- */


.hero h1, .hero h2, .hero h3, .hero h4, .hero h5,


.page-hero h1, .page-hero h2, .page-hero h3, .page-hero h4,


.scene-hero h1, .scene-hero h2, .scene-hero h3,


.mission-hero h1, .mission-hero h2, .mission-hero h3,


.contact-hero h1, .contact-hero h2, .contact-hero h3,


.hero-merchant h1, .hero-merchant h2, .hero-merchant h3,


.chat-hero h1, .chat-hero h2, .chat-hero h3 {


  color: #FFFFFF !important;


}





/* hero 强调色 */


.hero h1 .accent, .hero h1 .orange, .hero h1 .hl, .hero h1 em, .hero h1 span,


.hero h2 .accent, .hero h2 .orange, .hero h2 .hl, .hero h2 em, .hero h2 span,


.page-hero h1 .orange, .page-hero h1 span, .page-hero h1 em,


.scene-hero h1 .orange, .scene-hero h1 span, .scene-hero h1 em,


.hero .stat-num, .hero .hero-stat-num, .hero .num,


.hero-stat .num, .hero-stat h3 {


  color: #FF6B35 !important;


}





/* ---- 7. 移动端导航栏文字色 ---- */


@media (max-width: 768px) {


  .nav .nav-logo-text,


  .nav-bar .nav-logo-text,


  .nav .nav-logo,


  .nav .nav-brand,


  .nav-bar .nav-logo,


  .nav-bar .nav-brand {


    color: #1d1d1f !important;


  }


  


  .nav .nav-links a,


  .nav-bar .nav-links a,


  .nav-links a {


    color: #1d1d1f !important;


  }


  


  .nav .nav-links a:hover,


  .nav-bar .nav-links a:hover,


  .nav-links a:hover {


    color: #FF6B35 !important;


  }


}




/* ===========================================
   最终修正层：.btn-white 在CTA/深色区域保持白色背景+深色文字
   必须放在core.css最末尾，确保覆盖前面所有 !important
   =========================================== */

.cta-section .btn-white,
.cta-box .btn-white,
.cta-banner .btn-white,
.cta .btn-white,
.call-to-action .btn-white,
.bg-dark .btn-white,
.hero .btn-white {
  background: #FFFFFF !important;
  color: #0f172a !important;
  border-color: #FFFFFF !important;
}

.cta-section .btn-white:hover,
.cta-box .btn-white:hover,
.cta-banner .btn-white:hover,
.cta .btn-white:hover,
.call-to-action .btn-white:hover,
.bg-dark .btn-white:hover,
.hero .btn-white:hover {
  background: #FF6B35 !important;
  color: #FFFFFF !important;
  border-color: #FF6B35 !important;
}

/* Footer高对比度最终保障 */
.footer .footer-col h4,
.footer .footer-col .footer-title {
  color: #FFFFFF !important;
  border-bottom-color: rgba(255,255,255,0.1) !important;
}
.footer .footer-col a {
  color: rgba(255,255,255,0.6) !important;
}
.footer .footer-col a:hover {
  color: #FF6B35 !important;
}
.footer .footer-brand p {
  color: rgba(255,255,255,0.55) !important;
}
.footer .footer-bottom {
  border-top-color: rgba(255,255,255,0.08) !important;
}
/* ============================================================
   全面响应式系统 v1.0 — 2026-07-04
   PC端/移动端自动适配
   断点: 1200px / 992px / 768px / 480px
   ============================================================ */

/* ---- 移动端汉堡菜单按钮样式 ---- */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 24px;
  color: var(--text, #1d1d1f);
  padding: 8px;
  line-height: 1;
  align-self: center;
  -webkit-tap-highlight-color: transparent;
}

/* ---- 1200px: 缩小容器 ---- */
@media (max-width: 1200px) {
  :root {
    --max-w: 960px;
  }
  .nav-inner,
  .container {
    max-width: 960px;
  }
}

/* ---- 992px: 平板适配 ---- */
@media (max-width: 992px) {
  :root {
    --max-w: 720px;
    --section-pad: 64px;
  }

  .nav-inner,
  .container {
    max-width: 720px;
  }

  .nav-right .lang-switch {
    display: none;
  }

  .hero h1 {
    font-size: 36px !important;
  }
  .hero h2 {
    font-size: 30px !important;
  }
  .hero-sub,
  .hero p {
    font-size: 15px !important;
  }

  .biz-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .prod-grid,
  .products-grid,
  .product-list {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .about-flex,
  .about-grid {
    grid-template-columns: 1fr !important;
  }

  .hero-stats,
  .stats-row,
  .stat-grid {
    flex-wrap: wrap !important;
    gap: 24px !important;
  }
}

/* ---- 768px: 手机/小平板 ---- */
@media (max-width: 768px) {
  :root {
    --max-w: 100%;
    --section-pad: 48px;
    --nav-h: 56px;
  }

  .mobile-menu-btn {
    display: flex !important;
    align-items: center;
    justify-content: center;
  }

  .nav-links {
    display: none !important;
    position: fixed !important;
    top: var(--nav-h, 56px) !important;
    left: 0 !important;
    right: 0 !important;
    background: #FFFFFF !important;
    flex-direction: column !important;
    padding: 16px 24px !important;
    gap: 0 !important;
    box-shadow: 0 4px 24px rgba(0,0,0,0.12) !important;
    z-index: 999 !important;
    border-top: 1px solid #E5E7EB !important;
    max-height: calc(100vh - 56px) !important;
    overflow-y: auto !important;
  }

  .nav-links.open,
  .nav-links.active,
  .nav-links.show,
  .nav.mobile-open .nav-links {
    display: flex !important;
  }

  .nav-links a {
    display: block !important;
    padding: 12px 0 !important;
    font-size: 16px !important;
    color: #1d1d1f !important;
    border-bottom: 1px solid #F3F4F6 !important;
    text-align: left !important;
  }

  .nav-links a:last-child {
    border-bottom: none !important;
  }

  .nav-right {
    gap: 12px !important;
  }

  .nav-right .lang-switch {
    display: none !important;
  }

  .nav-right a:not(.btn) {
    display: none !important;
  }

  .nav-inner,
  .container,
  .section,
  section {
    max-width: 100% !important;
    padding-left: 20px !important;
    padding-right: 20px !important;
  }

  .hero {
    padding: 48px 20px 48px !important;
    min-height: auto !important;
  }

  .hero-inner,
  .hero-content {
    padding: 0 !important;
  }

  .hero h1 {
    font-size: 28px !important;
    line-height: 1.3 !important;
  }

  .hero h2 {
    font-size: 24px !important;
  }

  .hero h3 {
    font-size: 20px !important;
  }

  .hero-sub,
  .hero p,
  .hero .hero-sub {
    font-size: 14px !important;
    line-height: 1.6 !important;
  }

  .hero-eyebrow {
    font-size: 12px !important;
  }

  .hero-actions,
  .hero-cta {
    flex-direction: column !important;
    gap: 12px !important;
    width: 100% !important;
  }

  .hero-actions .btn,
  .hero-cta .btn {
    width: 100% !important;
    text-align: center !important;
  }

  .hero-stats {
    flex-direction: row !important;
    flex-wrap: wrap !important;
    justify-content: space-around !important;
    gap: 16px !important;
  }

  .hero-stats .stat,
  .hero-stats > div {
    text-align: center !important;
  }

  .hero-stats .stat-num,
  .hero-stats .num {
    font-size: 24px !important;
  }

  section,
  .section {
    padding-top: 48px !important;
    padding-bottom: 48px !important;
  }

  .section-header h2,
  .section-title,
  h2.section-title {
    font-size: 24px !important;
  }

  .section-header p,
  .section-desc {
    font-size: 14px !important;
  }

  .biz-grid,
  .prod-grid,
  .products-grid,
  .product-list,
  .about-grid,
  .about-points,
  .features-grid,
  .services-grid,
  .solutions-grid,
  .team-grid,
  .case-grid,
  .news-grid,
  .article-grid,
  .brand-grid,
  .partner-grid,
  .advantage-grid,
  .value-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .card,
  .biz-card,
  .prod-card,
  .product-card,
  .feature-card,
  .service-card,
  .case-card,
  .news-card,
  .article-card {
    padding: 20px !important;
  }

  .cta-section,
  .cta-banner,
  .cta-box,
  .cta-content,
  .cta-inner {
    padding: 32px 20px !important;
  }

  .cta-section h2,
  .cta-banner h2,
  .cta-box h2 {
    font-size: 22px !important;
  }

  .cta-section p,
  .cta-banner p {
    font-size: 14px !important;
  }

  .cta-section .btn,
  .cta-banner .btn {
    width: 100% !important;
    text-align: center !important;
  }

  .about-flex {
    flex-direction: column !important;
    gap: 24px !important;
  }

  .about-points {
    grid-template-columns: 1fr !important;
  }

  table {
    display: block !important;
    overflow-x: auto !important;
    white-space: nowrap !important;
  }

  .btn-lg {
    padding: 10px 24px !important;
    font-size: 15px !important;
  }

  .page-hero,
  .scene-hero {
    padding: 40px 20px !important;
    min-height: auto !important;
  }

  .page-hero h1,
  .scene-hero h1 {
    font-size: 24px !important;
  }

  .page-hero p,
  .scene-hero p {
    font-size: 14px !important;
  }

  .footer {
    padding: 40px 20px 24px !important;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 24px !important;
  }

  .footer-brand {
    grid-column: 1 / -1 !important;
  }

  .footer-bottom {
    flex-direction: column !important;
    text-align: center !important;
    gap: 12px !important;
  }

  .chat-container,
  .chat-box,
  .ai-workbench {
    flex-direction: column !important;
    height: auto !important;
  }

  .chat-sidebar,
  .chat-aside {
    width: 100% !important;
    max-height: 200px !important;
  }

  .form-grid,
  .form-row {
    grid-template-columns: 1fr !important;
  }

  form input,
  form select,
  form textarea {
    width: 100% !important;
    max-width: 100% !important;
  }

  .stats-grid,
  .data-grid,
  .metric-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .flex-row,
  .flex-between,
  .flex-center {
    flex-direction: column !important;
    align-items: stretch !important;
  }

  img {
    max-width: 100% !important;
    height: auto !important;
  }

  .hide-mobile {
    display: none !important;
  }
}

/* ---- 480px: 小手机 ---- */
@media (max-width: 480px) {
  :root {
    --section-pad: 36px;
  }

  .hero {
    padding: 36px 16px !important;
  }

  .hero h1 {
    font-size: 22px !important;
  }

  .hero h2 {
    font-size: 20px !important;
  }

  .hero-sub,
  .hero p {
    font-size: 13px !important;
  }

  section,
  .section {
    padding-top: 36px !important;
    padding-bottom: 36px !important;
  }

  .section-header h2,
  .section-title {
    font-size: 20px !important;
  }

  .stats-grid,
  .data-grid,
  .metric-grid,
  .hero-stats {
    grid-template-columns: 1fr !important;
  }

  .footer-grid {
    grid-template-columns: 1fr !important;
  }

  .container,
  .nav-inner {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }

  .card,
  .biz-card,
  .prod-card,
  .product-card,
  .feature-card {
    padding: 16px !important;
  }

  .hero-actions .btn,
  .cta-section .btn,
  .cta-banner .btn {
    width: 100% !important;
  }

  h1 { font-size: 22px !important; }
  h2 { font-size: 20px !important; }
  h3 { font-size: 18px !important; }
  h4 { font-size: 16px !important; }
}

/* ---- 触摸优化 ---- */
@media (hover: none) and (pointer: coarse) {
  .card:hover,
  .biz-card:hover,
  .prod-card:hover,
  .product-card:hover {
    transform: none !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1) !important;
  }

  .btn:hover {
    transform: none !important;
  }
}

/* ---- 横屏手机 ---- */
@media (max-width: 900px) and (orientation: landscape) {
  .nav-links {
    max-height: 60vh !important;
  }
}

/* ---- 额外导航响应式 ---- */
@media (max-width: 768px) {
  .ai-nav,
  .subnav {
    flex-direction: column !important;
    gap: 8px !important;
    padding: 12px !important;
  }
  .ai-nav-item,
  .nav-item {
    display: block !important;
    padding: 10px 12px !important;
    text-align: left !important;
    width: 100% !important;
  }
  .subnav-inner {
    flex-wrap: wrap !important;
    gap: 8px !important;
  }
  .sidebar,
  .side-nav,
  .admin-sidebar {
    width: 100% !important;
    height: auto !important;
    position: relative !important;
  }
  .main-content,
  .admin-content,
  .content-area {
    margin-left: 0 !important;
    width: 100% !important;
  }
  .dashboard-grid,
  .admin-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ============================================================
   导航栏布局增强 v2 — 2026-07-04
   ============================================================ */
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.2s ease;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-right a {
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.2s ease;
}
.nav-right .lang-switch {
  font-size: 13px;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 6px;
  transition: background 0.2s;
}
.nav-right .lang-switch:hover {
  background: rgba(0,0,0,0.05);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-brand .logo-icon {
  width: 36px;
  height: 36px;
  background: #FF6B35;
  color: #fff;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  flex-shrink: 0;
}
@media (max-width: 1200px) {
  .nav-links { gap: 24px; }
  .nav-right { gap: 14px; }
}
@media (max-width: 992px) {
  .nav-links { gap: 18px; }
  .nav-links a { font-size: 14px; }
  .nav-right { gap: 10px; }
  .nav-right a { font-size: 13px; }
}

/* ===== 全局组件样式：返回顶部 + 在线客服 ===== */
.global-back-to-top {
  position: fixed;
  bottom: 88px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #FF6B35;
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 999;
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}
.global-back-to-top.visible { opacity: 1; visibility: visible; }
.global-back-to-top:hover { background: #e55a2b; transform: translateY(-2px); }
.global-chat-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #1a1a2e;
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
  z-index: 999;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}
.global-chat-btn:hover { background: #FF6B35; transform: translateY(-2px) scale(1.05); }
@media (max-width: 768px) {
  .global-back-to-top { right: 16px; bottom: 80px; }
  .global-chat-btn { right: 16px; bottom: 16px; }
}