/* 恢复简洁的页脚样式 */
.modern-footer {
  background: linear-gradient(180deg, #0f172a, #1e293b);
  padding-top: 60px;
  padding-bottom: 30px;
  position: relative;
  overflow: hidden;
  text-align: left;
}

/* 页脚主要内容网格布局 */
.footer-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
  align-items: center;
  position: relative;
  z-index: 5;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 20px;
}

/* 隐藏可能存在的旧导航布局 */
.footer-nav {
  display: none;
}

/* 导航列样式 - 居中排版 */
.footer-nav-column {
  position: relative;
  padding: 10px 15px 15px;
  background: transparent;
  border-radius: 0;
  transition: transform 0.3s ease;
  border: none;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.footer-nav-column:hover {
  transform: translateY(-5px);
  background: transparent;
}

/* 页脚标题居中 */
.footer-nav-column h4 {
  font-size: 1.2em;
  font-weight: 600;
  margin-bottom: 20px;
  color: #fff;
  position: relative;
  padding-bottom: 12px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 给每个标题添加下划线 */
.footer-nav-column h4::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 40px;
  height: 2px;
  background: #4facfe;
  transition: width 0.3s ease;
}

.footer-nav-column:hover h4::after {
  width: 60px;
}

/* 导航列表 */
.footer-nav-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

/* 导航列表项 */
.footer-nav-column li {
  padding: 10px 0;
  transition: all 0.3s ease;
  position: relative;
  margin-left: 0;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-nav-column li:last-child {
  border-bottom: none;
}

.footer-nav-column li:hover {
  transform: translateY(-5px);
  padding-left: 0;
}

/* 链接样式 */
.footer-nav-column a {
  font-size: 1rem;
  position: relative;
  display: inline-block;
  transition: all 0.3s ease;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  padding: 2px 0;
  text-align: center;
}

/* 图标样式居中 */
.footer-nav-column i {
  margin-right: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: all 0.3s ease;
}

/* 标题图标样式居中 */
.footer-title-icon {
  margin-right: 14px;
  font-size: 18px;
  color: rgba(79, 172, 254, 0.9);
  background: rgba(79, 172, 254, 0.1);
  padding: 6px;
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(79, 172, 254, 0.5);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* 二维码区域居中 */
.footer-brand {
  border-radius: 8px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 0.3s ease;
  margin: 0 auto;
  width: 100%;
  text-align: center;
}

.footer-brand:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* 二维码容器居中 */
.qrcode-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
}

/* 二维码标题居中 */
.qrcode-container h4 {
  font-size: 1.2em;
  color: #fff;
  margin-bottom: 15px;
  text-align: center;
  position: relative;
  padding-bottom: 10px;
  font-weight: 600;
  width: 100%;
}

/* 二维码图片居中 */
.qrcode-image {
  width: 150px;
  height: 150px;
  border-radius: 8px;
  border: 4px solid white;
  margin: 0 auto 12px;
  padding: 0;
  background: white;
  transition: all 0.3s ease;
  object-fit: cover; /* 确保图片不变形 */
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  display: block;
}

/* 二维码描述文字居中 */
.qrcode-container p {
  font-size: 1em;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
  width: 100%;
}

/* 调整扫码关注文字样式 */
.qrcode-container p:before {
  content: '👆';
  margin-right: 5px;
}

/* 技术装饰效果 */
.footer-tech-decoration {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  opacity: 0.15;
}

/* 版权声明居中 */
.footer-copyright {
  margin-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
  text-align: center;
}

/* 版权文字居中 */
.copyright-text {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9em;
  text-align: center;
  width: 100%;
}

/* 高亮公司名 */
.highlight-accent {
  color: #4facfe;
  position: relative;
  font-weight: 500;
}

/* 响应式调整-保持居中 */
@media (max-width: 992px) {
  .footer-content-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-brand {
    grid-column: span 2;
    margin-top: 20px;
  }
}

@media (max-width: 768px) {
  .footer-content-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-brand {
    grid-column: auto;
  }
  
  .footer-nav-column {
    align-items: center;
    text-align: center;
  }
  
  .footer-nav-column h4 {
    justify-content: center;
  }
  
  .footer-nav-column li {
    justify-content: center;
  }
  
  .qrcode-image {
    width: 140px;
    height: 140px;
  }
}

@media (max-width: 576px) {
  .qrcode-image {
    width: 120px;
    height: 120px;
  }
}

/* 添加全局样式改进 */
.tech-circle {
  background: radial-gradient(circle, rgba(79, 172, 254, 0.6) 0%, rgba(0, 0, 0, 0) 70%);
  opacity: 0.8;
}

.tech-line {
  background: linear-gradient(90deg, rgba(79, 172, 254, 0.2), rgba(30, 144, 255, 0.6));
  opacity: 0.6;
}

.data-grid-item {
  background: rgba(79, 172, 254, 0.6);
  box-shadow: 0 0 15px rgba(79, 172, 254, 0.8);
}