/* ============================================================
   文件: frontend/css/hero.css
   功能: 探索更多页面样式
   说明: 与首页 style.css 统一风格
   ============================================================ */

  /* 动态渐变背景 */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 0;
  color: #333;
  font-size: 15px;
  line-height: 1.6;
  background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
  background-size: 400% 400%;
  animation: gradientBG 15s ease infinite;
  position: relative;
  min-height: 100vh;
}

@keyframes gradientBG {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* 粒子画布样式 */
#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -1;
  pointer-events: none;
}

/* 内容容器背景 */
.container, 
#comments, 
#downloads {
  background-color: rgba(255, 255, 255, 0.85);
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  color: #333;
  margin: 40px auto;
  padding: 40px;
  width: 100%;
  max-width: 1400px;
}

.section {
  padding: 10px 0;
}
    
    /* 导航栏样式变量 */
    :root {
      --primary: #0066cc;
      --secondary: #333366;
      --dark: #1a1a2e;
      --glass: rgba(255, 255, 255, 0.8);
      --shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
      --border: 1px solid rgba(255, 255, 255, 0.2);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    
    /* 头部样式 - MAC风格导航栏 */
    header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1000;
      padding: 12px 0;
      backdrop-filter: blur(15px);
      -webkit-backdrop-filter: blur(15px);
      background: rgba(255, 255, 255, 0.75);
      border-bottom: var(--border);
      box-shadow: var(--shadow);
      transition: all 0.3s ease;
    }
    
    .header-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      position: relative;
      max-width: 1600px;
      margin: 0 auto;
      padding: 0 30px;
    }
    
    .logo {
      display: flex;
      align-items: center;
      gap: 15px;
    }
    
    /* Logo动画容器 */
    .logo-wrapper {
      position: relative;
      width: 50px;
      height: 50px;
      animation: logoPulse 3s ease-in-out infinite;
    }
    
    .logo-wrapper img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      position: relative;
      z-index: 1;
      background: white;
      box-shadow: 0 0 15px rgba(67, 97, 238, 0.1);
      object-fit: contain;
    }
    
    /* 旋转边框 */
    .logo-border {
      position: absolute;
      top: -5px;
      left: -5px;
      right: -5px;
      bottom: -5px;
      border-radius: 50%;
      animation: rotate 4s linear infinite;
      background: conic-gradient(
        from 0deg,
        transparent 0%,
        #0066cc 20%,
        rgba(0, 102, 204, 0.7) 40%,
        transparent 60%,
        transparent 100%
      );
      box-shadow: 0 0 15px rgba(0, 102, 204, 0.4);
      filter: blur(1px);
    }
    
    .logo-border::after {
      content: '';
      position: absolute;
      inset: 5px;
      border-radius: 50%;
      background: white;
    }
    
    .logo-text {
      font-size: 2.4rem; /* 进一步增大LOGO文字大小 */
      font-weight: 700;
      color: var(--dark);
      letter-spacing: -0.5px;
    }
    
    /* 汉堡菜单按钮 */
    .menu-toggle {
      display: none;
      flex-direction: column;
      justify-content: space-around;
      width: 30px;
      height: 25px;
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 0;
      z-index: 10;
    }
    
    .menu-toggle span {
      width: 100%;
      height: 3px;
      background-color: var(--dark);
      border-radius: 5px;
      transition: all 0.3s linear;
      position: relative;
      transform-origin: center;
    }
    
    /* 导航菜单 */
    nav ul {
      display: flex;
      list-style: none;
      gap: 10px;
    }
    
    nav a {
      text-decoration: none;
      color: var(--dark);
      font-weight:400;
      font-size: 1.7rem; /* 进一步增大导航项目字体大小 */
      display: flex;
      align-items: center;
      gap: 12px;
      transition: var(--transition);
      padding: 12px 20px 12px 20px; /* 上右下左 - 增加上内边距，减少下内边距 */
      padding-top: 14px;    /* 增加上内边距让文字下移 */
      padding-bottom: 6px;  /* 减少下内边距 */
      border-radius: 20px;
      position: relative;
    }
    
    nav a:hover {
      text-decoration: none; /* 确保悬停时也没有下划线 */
      background: rgba(0, 102, 204, 0.1);
      color: var(--primary);
      transform: translateY(-2px);
    }
    
    /* 导航遮罩 */
    .nav-overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.5);
      z-index: 998;
    }
    
    .nav-overlay.active {
      display: block;
    }
    
    /* 动画关键帧 */
    @keyframes rotate {
      from { transform: rotate(0deg); }
      to { transform: rotate(360deg); }
    }
    
    @keyframes logoPulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.1); }
      100% { transform: scale(1); }
    }
    
    /* 返回顶部按钮 */
    .back-to-top {
      position: fixed;
      bottom: 20px;
      right: 20px;
      width: 50px;
      height: 50px;
      background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
      color: white;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      box-shadow: 0 5px 15px rgba(238, 90, 36, 0.4);
      z-index: 1000;
      opacity: 0;
      transition: all 0.4s ease;
    }
    
    .back-to-top.visible {
      opacity: 1;
    }
    
    .back-to-top:hover {
      transform: translateY(-5px) scale(1.1);
      box-shadow: 0 8px 20px rgba(238, 90, 36, 0.6);
    }
    
    .back-to-top i {
      font-size: 20px;
    }
    
    /* 通用区块样式 */
    .section-title {
      text-align: center;
      margin-bottom: 40px;
    }
    
    .section-title h2 {
      font-size: 2.2em; /* 增大标题字体 */
      margin-bottom: 15px;
      color: #6a11cb;
      position: relative;
      display: inline-block;
      text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    
    .section-title h2::after {
      content: '';
      position: absolute;
      bottom: -10px;
      left: 50%;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background: linear-gradient(to right, #ff6b6b, #ee5a24, #feca57);
      border-radius: 2px;
    }
    
    .section-title p {
      font-size: 1.3em; /* 增大副标题字体 */
      color: #6e6e73;
      max-width: 700px;
      margin: 20px auto 0;
    }
    
    /* BBS 样式 - 调整卡片宽度 */
    #bbs {
      padding: 10px 0;
    }
    
    .bbs-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
      margin-top: 40px;
    }
    
    /* 修改卡片透明度 */
    .bbs-card {
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.85) 0%, rgba(248, 249, 250, 0.85) 100%);
      border-radius: 15px;
      padding: 30px;
      text-align: center;
      box-shadow: 0 8px 20px rgba(0,0,0,0.1);
      transition: all 0.4s ease;
      border: 1px solid rgba(255, 255, 255, 0.5);
      backdrop-filter: blur(5px);
    }
    
    .bbs-card:hover {
      transform: translateY(-10px) scale(1.02);
      box-shadow: 0 15px 30px rgba(0,0,0,0.15);
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(241, 248, 255, 0.95) 100%);
    }
    
    /* 修改：放大图片并添加圆角效果 */
    .bbs-card img {
      max-width: 220px; /* 从100px放大到220px */
      margin-bottom: 20px;
      transition: all 0.4s ease;
      border-radius: 25px; /* 添加圆角效果 */
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1); /* 添加轻微阴影增强立体感 */
    }
    
    /* 移除图片倾斜效果 */
    .bbs-card:hover img {
      transform: scale(1.15); /* 略微增加放大效果 */
    }
    
    .bbs-card h3 {
      font-size: 1.3em; /* 增大卡片标题 */
      margin-bottom: 15px;
      font-weight: 600;
      color: #6a11cb;
    }
    
    .bbs-card p {
      font-size: 1.0em; /* 增大卡片文字 */
      color: #555;
      line-height: 1.6;
    }

    /* 手机端卡片滑动容器 */
    .bbs-slider {
      display: none;
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      scroll-behavior: smooth;
      -webkit-overflow-scrolling: touch;
      margin-top: 40px;
      padding-bottom: 20px;
      gap: 20px;
      scrollbar-width: none; /* Firefox */
    }
    
    .bbs-slider::-webkit-scrollbar {
      display: none;
    }
    
    .bbs-slide {
      scroll-snap-align: start;
      flex: 0 0 90%;
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.85) 0%, rgba(248, 249, 250, 0.85) 100%);
      border-radius: 15px;
      padding: 25px;
      text-align: center;
      box-shadow: 0 8px 20px rgba(0,0,0,0.1);
      transition: all 0.3s ease;
      backdrop-filter: blur(5px);
    }
    
    .bbs-slide:last-child {
      margin-right: 0;
    }
    
    /* 修改：放大移动端图片并添加圆角效果 */
    .bbs-slide img {
      max-width: 200px; /* 从100px放大到200px */
      margin-bottom: 20px;
      border-radius: 25px; /* 添加圆角效果 */
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1); /* 添加轻微阴影增强立体感 */
    }
    
    .bbs-slide h3 {
      font-size: 1.3em; /* 增大移动端卡片标题 */
      margin-bottom: 15px;
      font-weight: 600;
      color: #6a11cb;
    }
    
    .bbs-slide p {
      font-size: 1.0em; /* 增大移动端卡片文字 */
      color: #555;
      line-height: 1.6;
    }

    /* HTML5 样式 - 跨境电商部分优化 */
    #html5 {
      padding: 10px 0;
    }
    
    .html5-content {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
    }
    
    .html5-text, .html5-image {
      flex: 1 1 45%;
      min-width: 300px;
    }
    
    .html5-image img {
      max-width: 100%;
      border-radius: 15px;
      box-shadow: 0 10px 25px rgba(0,0,0,0.15);
      transition: all 0.4s ease;
    }
    
    /* 移除图片倾斜效果 */
    .html5-image img:hover {
      transform: scale(1.05);
      box-shadow: 0 15px 35px rgba(0,0,0,0.2);
    }
    
    .html5-text h2 {
      font-size: 1.8em; /* 增大标题 */
      margin-bottom: 20px;
      font-weight: 600;
      color: #6a11cb;
      position: relative;
      padding-bottom: 12px;
      text-align: left;
    }
    
    .html5-text h2::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 50px;
      height: 4px;
      background: linear-gradient(to right, #ff6b6b, #ee5a24);
      border-radius: 2px;
    }
    
    .html5-text p {
      font-size: 1.1em; /* 增大文字 */
      margin-bottom: 18px;
      line-height: 1.6;
      color: #555;
    }
    
    .solution-feature {
      background: linear-gradient(135deg, rgba(249, 249, 249, 0.85) 0%, rgba(241, 248, 255, 0.85) 100%);
      padding: 20px;
      border-radius: 12px;
      margin-bottom: 20px;
      border-left: 4px solid #54a0ff;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
      transition: all 0.3s ease;
      backdrop-filter: blur(5px);
    }
    
    .solution-feature:hover {
      transform: translateX(5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    }
    
    .market-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 20px;
    }
    
    .market-item {
      background: linear-gradient(135deg, #54a0ff 0%, #2e86de 100%);
      padding: 10px 20px;
      border-radius: 30px;
      font-weight: 500;
      font-size: 1.0em; /* 增大市场标签字体 */
      color: white;
      box-shadow: 0 5px 15px rgba(46, 134, 222, 0.3);
      transition: all 0.3s ease;
    }
    
    .market-item:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 20px rgba(46, 134, 222, 0.4);
    }
    
    .mai-icon {
      color: #ee5a24;
      margin-right: 6px;
      font-size: 1.1em; /* 增大图标 */
    }

    /* Bootstrap 样式 - 定制方案部分优化 */
    #bootstrap {
      padding: 10px 0;
    }
    
    .bootstrap-content {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
    }
    
    .bootstrap-image, .bootstrap-text {
      flex: 1 1 45%;
      min-width: 300px;
    }
    
    .bootstrap-image img {
      max-width: 100%;
      border-radius: 15px;
      box-shadow: 0 10px 25px rgba(0,0,0,0.15);
      margin-bottom: 20px;
      transition: all 0.4s ease;
    }
    
    /* 移除图片倾斜效果 */
    .bootstrap-image img:hover {
      transform: scale(1.05);
      box-shadow: 0 15px 35px rgba(0,0,0,0.2);
    }
    
    .bootstrap-text h2 {
      font-size: 2.0em; /* 增大标题 */
      margin-bottom: 20px;
      font-weight: 600;
      color: #6a11cb;
      position: relative;
      padding-bottom: 12px;
      text-align: left;
    }
    
    .bootstrap-text h2::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 50px;
      height: 4px;
      background: linear-gradient(to right, #ff9ff3, #f368e0);
      border-radius: 2px;
    }
    
    .bootstrap-text p {
      font-size: 1.1em; /* 增大文字 */
      margin-bottom: 18px;
      line-height: 1.6;
      color: #555;
    }

    /* 证书展示区域 - 调整卡片宽度 */
    #certificates {
      padding: 10px 0;
    }
    
    .certificates-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }
    
    /* 修改卡片透明度 */
    .certificate-card {
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.85) 0%, rgba(248, 249, 250, 0.85) 100%);
      border-radius: 15px;
      padding: 30px;
      text-align: center;
      box-shadow: 0 8px 20px rgba(0,0,0,0.1);
      transition: all 0.4s ease;
      position: relative;
      overflow: hidden;
      backdrop-filter: blur(5px);
    }
    
    .certificate-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 5px;
      background: linear-gradient(to right, #ff6b6b, #ee5a24, #feca57, #ff9ff3, #54a0ff);
      z-index: 2;
    }
    
    .certificate-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 15px 30px rgba(0,0,0,0.15);
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.95) 100%);
    }
    
    .certificate-icon {
      font-size: 2.8rem; /* 增大图标 */
      color: #ee5a24;
      margin-bottom: 15px;
      transition: all 0.4s ease;
    }
    
    .certificate-card:hover .certificate-icon {
      transform: scale(1.2);
      color: #ff6b6b;
    }
    
    .certificate-card h3 {
      font-size: 1.5rem; /* 增大标题 */
      margin-bottom: 12px;
      color: #6a11cb;
      font-weight: 600;
    }
    
    .certificate-card p {
      color: #6e6e73;
      margin-bottom: 18px;
      font-size: 1.1em; /* 增大文字 */
      line-height: 1.6;
    }
    
    .certificate-image {
      width: 100%;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      transition: all 0.4s ease;
    }
    
    .certificate-image:hover {
      transform: scale(1.05);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    }
    
    .certificate-image img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* 评论区样式 */
    #comments {
      max-width: 1400px;
      margin: 40px auto;
      padding: 30px;
      background: rgba(255, 255, 255, 0.95);
      border-radius: 15px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    }

    /* 文件下载区样式 */
    #downloads {
      max-width: 1400px;
      margin: 40px auto;
      padding: 50px;
      background: rgba(255, 255, 255, 0.85);
      border-radius: 15px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.15);
      text-align: center;
    }
    
    #downloads h2 {
      font-size: 2.0em; /* 增大标题 */
      margin-bottom: 20px;
      font-weight: 600;
      color: #6a11cb;
      position: relative;
      padding-bottom: 12px;
    }
    
    #downloads h2::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 50px;
      height: 4px;
      background: linear-gradient(to right, #ff6b6b, #ee5a24);
      border-radius: 2px;
    }
    
    .download-description {
      font-size: 1.1em; /* 增大描述文字 */
      margin-bottom: 40px;
      color: #6e6e73;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }
    
    /* 下载卡片样式 */
    .downloads-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }
    
    .download-card {
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.85) 0%, rgba(248, 249, 250, 0.85) 100%);
      border-radius: 15px;
      padding: 35px 30px;
      text-align: center;
      box-shadow: 0 8px 20px rgba(0,0,0,0.1);
      transition: all 0.4s ease;
      border: 1px solid rgba(255, 255, 255, 0.5);
      backdrop-filter: blur(5px);
      display: flex;
      flex-direction: column;
      align-items: center;
    }
    
    .download-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 15px 30px rgba(0,0,0,0.15);
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.95) 100%);
    }
    
    .download-icon {
      font-size: 3.5rem;
      color: #ee5a24;
      margin-bottom: 20px;
      transition: all 0.3s ease;
    }
    
    .download-card:hover .download-icon {
      transform: scale(1.1);
      color: #ff6b6b;
    }
    
    .download-card h3 {
      font-size: 1.5rem;
      margin-bottom: 15px;
      color: #6a11cb;
      font-weight: 600;
    }
    
    .download-card p {
      color: #6e6e73;
      margin-bottom: 25px;
      font-size: 1.1em;
      line-height: 1.6;
      flex-grow: 1;
    }
    
    .download-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      background: linear-gradient(135deg, #54a0ff 0%, #2e86de 100%);
      color: white;
      padding: 12px 30px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: 600;
      font-size: 1.1em;
      transition: all 0.3s ease;
      box-shadow: 0 5px 15px rgba(46, 134, 222, 0.3);
      border: none;
      cursor: pointer;
      min-width: 180px;
    }
    
    .download-btn:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 20px rgba(46, 134, 222, 0.4);
      color: white;
      text-decoration: none;
    }
    
    .download-btn i {
      font-size: 1.2em;
    }
    
    .file-size {
      display: block;
      margin-top: 10px;
      font-size: 0.9em;
      color: #999;
      font-style: italic;
    }

    /* Waline 评论样式 */
    #waline {
      font-size: 1.1em; /* 增大评论字体 */
      line-height: 1.6;
    }
    
    #waline input,
    #waline textarea {
      font-size: 1.1em; /* 增大输入框字体 */
      padding: 6px 2px; /* 增大输入框内边距 */
    }
    
    #waline .wl-content,
    #waline .wl-card {
      font-size: 1.0em; /* 增大评论内容字体 */
    }
    
    #waline .wl-nick,
    #waline label {
      font-size: 1em; /* 增大昵称和标签字体 */
      font-weight: 400;
    }

    /* Waline 登录和提交按钮 */
    #waline .wl-btn {
      font-size: 1.1em; /* 增大按钮字体 */
      padding: 12px 20px; /* 增大按钮内边距 */
      border-radius: 30px;
      background: linear-gradient(135deg, #54a0ff 0%, #2e86de 100%);
      transition: all 0.3s ease;
    }
    
    #waline .wl-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 5px 15px rgba(46, 134, 222, 0.4);
    }

      /* 行业资讯卡片样式 - 新增样式 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(600px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }
    
    .news-card {
      display: flex;
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.85) 0%, rgba(248, 249, 250, 0.85) 100%);
      border-radius: 15px;
      overflow: hidden;
      box-shadow: 0 8px 20px rgba(0,0,0,0.1);
      transition: all 0.4s ease;
      backdrop-filter: blur(5px);
      border: 1px solid rgba(255, 255, 255, 0.5);
    }
    
    .news-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 15px 30px rgba(0,0,0,0.15);
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.95) 100%);
    }
    
    .news-image {
      flex: 0 0 40%;
      overflow: hidden;
    }
    
    .news-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: all 0.4s ease;
    }
    
    .news-card:hover .news-image img {
      transform: scale(1.05);
    }
    
    .news-content {
      flex: 1;
      padding: 25px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    
    .news-content h3 {
      font-size: 1.4rem;
      margin-bottom: 15px;
      font-weight: 600;
      color: #6a11cb;
    }
    
    .news-content h3 a {
      color: inherit;
      text-decoration: none; /* 移除下划线 */
      transition: color 0.3s ease;
    }
    
    .news-content h3 a:hover {
      color: #ee5a24;
    }
    
    .news-content p {
      color: #6e6e73;
      line-height: 1.6;
      font-size: 1.0em;
      margin: 0;
    }
    
    /* 移动端新闻卡片样式 */
    @media (max-width: 768px) {
      .news-grid {
        grid-template-columns: 1fr;
      }
      
      .news-card {
        flex-direction: column;
      }
      
      .news-image {
        flex: 0 0 200px;
      }
      
      .news-content {
        padding: 20px;
      }
    }
    
 /* ============================================================
   页脚样式（与首页完全一致 - 强制统一字体）
   ============================================================ */
footer {
  background: rgba(26, 26, 46, 0.8) !important;
  backdrop-filter: blur(10px) !important;
  -webkit-backdrop-filter: blur(10px) !important;
  color: white !important;
  padding: 50px 0 20px !important;
  border-top: var(--border) !important;
  width: 100% !important;
  font-size: 15px !important;
  line-height: 1.6 !important;
}

.footer-content {
  max-width: 1400px !important;
  margin: 0 auto !important;
  padding: 0 20px !important;
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)) !important;
  gap: 40px !important;
  margin-bottom: 40px !important;
}

.footer-column h3 {
  font-size: 1.4rem !important;
  margin-bottom: 25px !important;
  position: relative !important;
  padding-bottom: 10px !important;
  color: #fff !important;
  font-weight: 700 !important;
}

.footer-column h3::after {
  content: "" !important;
  position: absolute !important;
  bottom: 0 !important;
  left: 0 !important;
  width: 50px !important;
  height: 2px !important;
  background: #ff9500 !important;
  border-radius: 2px !important;
}

.footer-column ul {
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 12px !important;
}

.footer-column ul li {
  margin: 0 !important;
  font-size: 15px !important;
  line-height: 1.6 !important;
}

.footer-column ul li a {
  color: #aaa !important;
  text-decoration: none !important;
  transition: color 0.3s ease !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  font-size: 15px !important;
  line-height: 1.6 !important;
}

.footer-column ul li a:hover {
  color: white !important;
}

.footer-column p {
  color: #aaa !important;
  line-height: 1.6 !important;
  font-size: 15px !important;
}

.copyright {
  max-width: 1400px !important;
  margin: 0 auto !important;
  padding: 0 20px !important;
  text-align: center !important;
  padding-top: 30px !important;
  border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
  color: #aaa !important;
  font-size: 15px !important;
  line-height: 1.6 !important;
}

    /* 响应式设计 */
    @media (max-width: 1200px) {
      nav ul {
        gap: 15px;
      }
    }

    @media (max-width: 992px) {
      nav ul {
        gap: 12px;
      }
      
      nav a {
        font-size: 1.3rem; /* 增大响应式导航字体 */
        padding: 8px 15px;
      }
      
      .bbs-grid,
      .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      
      .container, 
      #comments, 
      #downloads {
        padding: 30px;
        margin: 30px auto;
      }
      
      .downloads-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      /* 显示汉堡菜单按钮 */
      .menu-toggle {
        display: flex;
      }
      
      /* 汉堡菜单样式 */
      nav {
        position: fixed;
        top: 65px;
        left: -100%;
        width: auto;
        min-width: 150px; /* 增大汉堡菜单宽度 */
        max-width: 220px; /* 增大汉堡菜单最大宽度 */
        height: 70vh; /* 增大汉堡菜单高度 */
        background: var(--glass);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        box-shadow: 5px 0 15px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
        z-index: 999;
        padding-top: 60px; /* 增大顶部内边距 */
        overflow-y: auto;
      }
      
      nav.active {
        left: 0;
      }
      
      nav ul {
        flex-direction: column;
        padding: 10px 15px; /* 增大内边距 */
        gap: 5px;
      }
      
      nav a {
        justify-content: flex-start;
        padding: 14px 18px; /* 增大汉堡菜单内边距 */
        font-size: 1.4rem; /* 增大汉堡菜单字体大小 */
        border-radius: 8px;
        line-height: 1.3;
        min-height: auto;
      }
      
      nav a i {
        font-size: 1.3rem; /* 增大汉堡菜单图标大小 */
        min-width: 25px; /* 增大图标最小宽度 */
      }
      
      /* 企业优势卡片滑动样式 */
      .bbs-grid {
        display: none;
      }
      
      .bbs-slider {
        display: flex;
      }
      
      .logo-wrapper {
        width: 40px;
        height: 40px;
      }
      
      .logo-border {
        top: -3px;
        left: -3px;
        right: -3px;
        bottom: -3px;
      }
      
      .logo-border::after {
        inset: 3px;
      }
      
      .certificates-grid {
        grid-template-columns: 1fr;
      }
      
      .section-title h2 {
        font-size: 2.0em; /* 增大移动端标题 */
      }
      
      footer {
        padding: 15px;
        font-size: 1.0em;
      }
      
      .back-to-top {
        bottom: 15px;
        right: 15px;
        width: 45px;
        height: 45px;
      }
      
      .back-to-top i {
        font-size: 18px;
      }
      
      #comments,
      #downloads {
        padding: 20px;
        margin: 25px auto;
      }
      
      .html5-content,
      .bootstrap-content {
        flex-direction: column;
      }
      
      .market-list {
        justify-content: center;
      }
      
      .container, 
      #comments, 
      #downloads {
        padding: 20px;
        margin: 20px auto;
      }
      
      .download-card {
        padding: 25px 20px;
      }
      
      .downloads-grid {
        gap: 20px;
      }
    }
    
    @media (max-width: 576px) {
      nav ul {
        gap: 6px;
        padding: 10px 12px;
      }
      
      nav a {
        padding: 12px 15px; /* 增大汉堡菜单内边距 */
        font-size: 1.3rem; /* 增大汉堡菜单字体大小 */
      }
      
      .logo-wrapper {
        width: 35px;
        height: 35px;
      }
      
      .logo-text {
        font-size: 2.2rem; /* 增大移动端LOGO文字大小 */
      }
      
      .back-to-top {
        bottom: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
      }
      
      .back-to-top i {
        font-size: 16px;
      }
      
      #comments,
      #downloads {
        padding: 15px;
        margin: 15px auto;
      }
      
      .bbs-slide {
        flex: 0 0 88%;
        padding: 20px;
      }
      
      .section-title h2 {
        font-size: 1.8em;
      }
      
      .section-title p {
        font-size: 1.1em;
      }
      
      /* 移动端图片调整 */
      .bbs-slide img {
        max-width: 180px; /* 从140px增加到180px */
      }
      
      .download-btn {
        padding: 10px 25px;
        font-size: 1em;
        min-width: 160px;
      }
      
      .news-grid {
        grid-template-columns: 1fr;
      }
    }