.hero {
    position: relative;
    min-height: 90vh;
    background: #ffffff;
    color: #0f172a;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 100px 0;
    border-bottom: 1px solid #f1f5f9;
  }
  
  .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.02) 0%, rgba(79, 70, 229, 0.02) 100%);
    z-index: 0;
  }
  
  .hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
  }
  
  .hero-grid {
    display: none;
  }
  
  .glow-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: 1;
    opacity: 0.3;
  }
  
  .glow-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
    background: rgba(59, 130, 246, 0.15);
  }
  
  .glow-2 {
    width: 300px;
    height: 300px;
    bottom: -50px;
    left: -50px;
    background: rgba(79, 70, 229, 0.1);
  }
  
  .container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
  }
  
  .hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    gap: 40px;
  }
  
  .hero-content {
    max-width: 600px;
    position: relative;
  }
  
  .hero-tag {
    display: inline-flex;
    align-items: center;
    background: #f0f7ff;
    color: #0A4BAA; /* 更深的蓝色 */
    font-size: 0.875rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 50px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.06);
    border: 1px solid rgba(59, 130, 246, 0.1);
  }
  
  .hero-tag::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    background-color: #3b82f6;
    border-radius: 50%;
    margin-right: 8px;
    animation: pulse 2s infinite;
  }
  
  @keyframes pulse {
    0% {
      box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4);
    }
    70% {
      box-shadow: 0 0 0 6px rgba(59, 130, 246, 0);
    }
    100% {
      box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
    }
  }
  
  .hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    color: #0A1525; /* 更深的黑色 */
    letter-spacing: -0.5px;
    position: relative;
  }
  
  .hero-title .accent {
    display: inline;
    color: #0A4BAA; /* 更深的蓝色 */
    position: relative;
    font-weight: 800;
  }
  
  .hero-title .accent::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 4px;
    width: 100%;
    height: 8px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 4px;
    z-index: -1;
  }
  
  .hero-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: #334155; /* 更深的灰色 */
    margin-bottom: 36px;
    max-width: 540px;
  }
  
  .hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
  }
  
  .stat-item {
    position: relative;
  }
  
  .stat-item::after {
    content: '';
    position: absolute;
    top: 5px;
    right: -20px;
    height: calc(100% - 10px);
    width: 1px;
    background: #e2e8f0;
    display: block;
  }
  
  .stat-item:last-child::after {
    display: none;
  }
  
  .stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #0A1525; /* 更深的黑色 */
    line-height: 1;
  }
  
  .stat-label {
    font-size: 0.875rem;
    color: #475569; /* 更深的灰色 */
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }
  
  .hero-actions {
    display: flex;
    gap: 16px;
  }
  
  .btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
    text-decoration: none;
    overflow: hidden;
  }
  
  .btn-primary {
    background: #3b82f6;
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
  }
  
  .btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.7s ease;
  }
  
  .btn-primary:hover::before {
    left: 100%;
  }
  
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.35);
  }
  
  .btn-secondary {
    background: #f8fafc;
    color: #3b82f6;
    border: 1px solid #e2e8f0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  }
  
  .btn-secondary:hover {
    background: #f1f5f9;
    border-color: #3b82f6;
    transform: translateY(-2px);
  }
  
  .btn svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
  }
  
  .btn-primary:hover svg {
    transform: translateX(4px);
  }
  
  .hero-visual {
    position: relative;
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .hero-visual::before {
    content: '';
    position: absolute;
    top: -30px;
    right: -40px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, rgba(59, 130, 246, 0) 70%);
    border-radius: 50%;
    z-index: -1;
  }
  
  .hero-visual::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: -30px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.05) 0%, rgba(79, 70, 229, 0) 70%);
    border-radius: 50%;
    z-index: -1;
  }
  
  .server-rack {
    position: relative;
    width: 340px;
    height: 440px;
    background: #ffffff;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
    box-shadow: 
      0 20px 25px -5px rgba(0, 0, 0, 0.1),
      0 8px 10px -6px rgba(0, 0, 0, 0.05);
    transform: perspective(1000px) rotateY(-10deg);
    transform-style: preserve-3d;
  }
  
  .rack-front {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    padding: 12px;
    gap: 8px;
  }
  
  .rack-header {
    height: 24px;
    background: #3b82f6;
    border-radius: 4px 4px 0 0;
    margin: -12px -12px 8px -12px;
    display: flex;
    align-items: center;
    padding: 0 12px;
  }
  
  .rack-title {
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
  }
  
  .server-unit {
    height: 44px;
    background: #f8fafc;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
    position: relative;
    transition: all 0.2s ease;
    margin-bottom: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.03);
  }
  
  .server-unit::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 26px;
    border-radius: 0 2px 2px 0;
    background-color: #3b82f6;
    opacity: 0;
    transition: opacity 0.2s ease;
  }
  
  .server-unit:hover {
    transform: translateX(5px);
    background: #f0f7ff;
    border-color: #3b82f6;
    box-shadow: 0 4px 8px rgba(59, 130, 246, 0.15);
  }
  
  .server-unit:hover::before {
    opacity: 1;
  }
  
  .server-name {
    font-size: 0.8rem;
    color: #334155;
    font-weight: 600;
    display: flex;
    align-items: center;
    flex: 1;
  }
  
  .server-name::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 8px;
    background-color: #10b981;
  }
  
  .server-unit.warning .server-name::before {
    background-color: #f59e0b;
  }
  
  .server-unit.error .server-name::before {
    background-color: #ef4444;
  }
  
  .server-stats {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  
  .stat-badge {
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 20px;
    font-weight: 600;
    text-transform: uppercase;
  }
  
  .stat-badge.online {
    background-color: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
  }
  
  .stat-badge.warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.2);
  }
  
  .stat-badge.error {
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
  }
  
  .stat-value {
    font-size: 0.7rem;
    color: #64748b;
    font-weight: 500;
    font-family: 'Courier New', monospace;
  }
  
  .server-leds {
    position: absolute;
    right: 4px;
    top: 30px;
    bottom: 0;
    width: 20px;
    display: flex;
    flex-direction: column;
    gap: 30px;
    padding: 8px 0;
  }
  
  .led {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    margin: 0 auto;
  }
  
  .led-green {
    background-color: #10b981;
    box-shadow: 0 0 5px rgba(16, 185, 129, 0.5);
    animation: blink 2s infinite;
  }
  
  .led-blue {
    background-color: #3b82f6;
    box-shadow: 0 0 5px rgba(59, 130, 246, 0.5);
    animation: blink 3s infinite 1s;
  }
  
  .led-purple {
    background-color: #8b5cf6;
    box-shadow: 0 0 5px rgba(139, 92, 246, 0.5);
    animation: blink 4s infinite 0.5s;
  }
  
  @keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
  }
  
  .server-rack::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40px;
    height: 100%;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.7));
    border-left: 1px dashed #e2e8f0;
    z-index: 2;
  }
  
  .pattern-dots {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(#e2e8f0 1px, transparent 1px);
    background-size: 10px 10px;
    z-index: -1;
    opacity: 0.5;
  }
  
  .data-flows {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: -1;
  }
  
  .data-particle {
    position: absolute;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #4a7bda, transparent);
    border-radius: 2px;
  }
  
  .particle-1 {
    top: 20%;
    left: -40px;
    animation: flow-right 3s linear infinite;
  }
  
  .particle-2 {
    top: 40%;
    right: -40px;
    animation: flow-left 4s linear infinite 1s;
  }
  
  .particle-3 {
    top: 60%;
    left: -40px;
    animation: flow-right 5s linear infinite 0.5s;
  }
  
  .particle-4 {
    top: 80%;
    right: -40px;
    animation: flow-left 3.5s linear infinite 1.5s;
  }
  
  @keyframes flow-right {
    0% { transform: translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateX(360px); opacity: 0; }
  }
  
  @keyframes flow-left {
    0% { transform: translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateX(-360px); opacity: 0; }
  }
  
  .floating-tech {
    position: absolute;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    border: 1px solid rgba(74, 123, 218, 0.1);
    color: #1a2b63;
    font-size: 0.85rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 20px rgba(74, 123, 218, 0.1);
    animation: float-tech 10s ease-in-out infinite;
  }
  
  .tech-1 {
    top: 80px;
    right: -20px;
    animation-delay: 0s;
  }
  
  .tech-2 {
    bottom: 100px;
    left: -30px;
    animation-delay: 3s;
  }
  
  @keyframes float-tech {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
  }
  
  .scroll-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0.7;
    transition: opacity 0.3s ease;
    color: #64748b;
  }
  
  .scroll-indicator:hover {
    opacity: 1;
  }
  
  .scroll-text {
    font-size: 0.75rem;
    margin-bottom: 6px;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-weight: 500;
  }
  
  .scroll-icon {
    animation: bounce 2s infinite;
    font-size: 1rem;
  }
  
  @keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
  }
  
  /* 响应式样式 */
  @media (max-width: 1280px) {
    .hero-title {
      font-size: 3rem;
    }
    
    .server-rack {
      width: 300px;
      height: 400px;
    }
  }
  
  @media (max-width: 1024px) {
    .hero-container {
      flex-direction: column;
      text-align: center;
      gap: 40px;
    }
    
    .hero-content {
      max-width: 100%;
      order: 1; /* 确保文案在顶部 */
    }
    
    .hero-visual {
      order: 2; /* 确保图表在下方 */
    }
    
    .hero-description {
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
    }
    
    .hero-stats {
      justify-content: center;
    }
    
    .hero-actions {
      justify-content: center;
    }
    
    .server-rack {
      transform: perspective(1000px) rotateY(0);
    }
    
    /* 增强图表内文本清晰度 */
    .rack-title {
      font-size: 0.85rem;
      font-weight: 700;
    }
    
    .server-name {
      font-size: 0.9rem;
      font-weight: 700;
    }
    
    .stat-badge {
      font-size: 0.7rem;
      font-weight: 700;
      padding: 3px 8px;
    }
    
    .stat-value {
      font-size: 0.8rem;
      font-weight: 600;
    }
  }
  
  @media (max-width: 768px) {
    .hero {
      padding: 80px 0;
    }
    
    .hero-title {
      font-size: 2.5rem;
    }
    
    .hero-stats {
      flex-wrap: wrap;
      gap: 24px;
      justify-content: center;
    }
    
    .server-rack {
      width: 320px; /* 增加宽度以提高可读性 */
      height: 400px; /* 增加高度提供更多空间 */
      margin: 0 auto; /* 居中显示 */
    }
    
    /* 进一步优化图表内容 */
    .server-unit {
      height: 48px; /* 增加高度 */
      margin-bottom: 10px; /* 增加间距 */
      padding: 0 15px;
    }
    
    .rack-header {
      height: 30px; /* 增加标题栏高度 */
      padding: 0 15px;
    }
    
    /* 增强文本清晰度 */
    .server-name {
      font-size: 0.95rem;
      letter-spacing: 0.3px;
    }
    
    .server-name::before {
      width: 10px;
      height: 10px;
    }
    
    .stat-badge {
      padding: 3px 10px;
    }
  }
  
  @media (max-width: 640px) {
    .hero {
      padding: 50px 0 60px;
    }
    
    .hero-title {
      font-size: 2.25rem;
      margin-bottom: 18px;
    }
    
    .hero-description {
      margin-bottom: 24px;
      font-size: 1rem;
      line-height: 1.6;
    }
    
    .hero-actions {
      flex-direction: column;
      align-items: center;
      width: 100%;
    }
    
    .btn {
      width: 100%;
      max-width: 280px;
    }
    
    /* 优化数据中心展示 */
    .hero-visual {
      margin-top: 10px;
      transform: scale(0.95);
    }
    
    .server-rack {
      width: 300px; /* 保持更大的尺寸以确保文字清晰 */
      height: 380px;
      box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    }
    
    .rack-header {
      height: 28px;
      margin: -12px -12px 6px -12px;
    }
    
    .rack-title {
      font-size: 0.9rem;
      letter-spacing: 0.5px;
      font-weight: 700;
    }
    
    .server-unit {
      height: 45px;
      margin-bottom: 8px;
      padding: 0 14px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      border-width: 2px;
    }
    
    .server-name {
      font-size: 0.85rem;
      font-weight: 700;
      letter-spacing: 0.3px;
    }
    
    .server-name::before {
      width: 9px;
      height: 9px;
      margin-right: 9px;
    }
    
    .server-stats {
      gap: 8px;
    }
    
    .stat-badge {
      font-size: 0.7rem;
      padding: 2px 7px;
      font-weight: 700;
      border-width: 2px;
    }
    
    .stat-value {
      font-size: 0.75rem;
      font-weight: 600;
    }
    
    /* 优化LED显示 */
    .server-leds {
      right: 6px;
    }
    
    .led {
      width: 6px;
      height: 6px;
    }
  }
  
  /* 数据中心区域全新样式 */
  .datacenter {
    padding: 120px 0 100px;
    position: relative;
    background-color: #f8fafc;
    overflow: hidden;
  }
  
  .datacenter::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    right: 0;
    height: 100px;
    background-color: white;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 80%);
  }
  
  .section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
  }
  
  .section-badge {
    display: inline-block;
    background: rgba(10, 75, 170, 0.1);
    color: #0A4BAA;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 30px;
    margin-bottom: 20px;
    border: 1px solid rgba(10, 75, 170, 0.15);
  }
  
  .section-title h2 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: #0A1525;
    letter-spacing: -0.5px;
  }
  
  .section-title h2 span {
    color: #0A4BAA;
    position: relative;
  }
  
  .section-title p {
    max-width: 700px;
    margin: 0 auto;
    color: #475569;
    font-size: 1.1rem;
    line-height: 1.6;
  }
  
  /* 数据中心地图样式 */
  .datacenter-overview {
    margin-bottom: 50px;
  }
  
  .datacenter-map {
    position: relative;
    height: 300px;
    background: rgba(10, 75, 170, 0.02);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(10, 75, 170, 0.1);
    margin: 0 auto 40px;
    max-width: 900px;
  }
  
  .map-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400"><path d="M120,100 Q250,50 350,120 T550,150 T750,180" fill="none" stroke="%230A4BAA" stroke-width="1" stroke-opacity="0.1" stroke-dasharray="5,5"/><path d="M50,200 Q200,150 400,200 T700,180" fill="none" stroke="%230A4BAA" stroke-width="1" stroke-opacity="0.1" stroke-dasharray="5,5"/><path d="M150,250 Q300,220 450,250 T750,220" fill="none" stroke="%230A4BAA" stroke-width="1" stroke-opacity="0.1" stroke-dasharray="5,5"/></svg>');
    background-size: cover;
    background-position: center;
    opacity: 0.7;
  }
  
  .map-point {
    position: absolute;
    width: 16px;
    height: 16px;
    background-color: #0A4BAA;
    border-radius: 50%;
    cursor: pointer;
    z-index: 2;
    transition: transform 0.3s ease;
  }
  
  .map-point:hover {
    transform: scale(1.2);
  }
  
  .map-point-asia {
    top: 38%;
    right: 30%;
  }
  
  .map-point-america {
    top: 35%;
    left: 25%;
  }
  
  .map-point-europe {
    top: 25%;
    left: 48%;
  }
  
  .pulse-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: rgba(10, 75, 170, 0.4);
    animation: pulse 2s infinite;
  }
  
  @keyframes pulse {
    0% {
      transform: translate(-50%, -50%) scale(1);
      opacity: 0.8;
    }
    70% {
      transform: translate(-50%, -50%) scale(3);
      opacity: 0;
    }
    100% {
      transform: translate(-50%, -50%) scale(1);
      opacity: 0;
    }
  }
  
  .point-label {
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: #0A4BAA;
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease, top 0.3s ease;
    pointer-events: none;
  }
  
  .map-point:hover .point-label {
    opacity: 1;
    top: -35px;
  }
  
  /* 标签页样式改进 */
  .datacenter-tabs-container {
    display: flex;
    justify-content: center;
    margin-top: 40px;
    margin-bottom: 30px;
  }
  
  .datacenter-tabs {
    display: flex;
    background-color: white;
    border-radius: 12px;
    padding: 6px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #f1f5f9;
  }
  
  .datacenter-tab {
    padding: 12px 24px;
    background: none;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  
  .datacenter-tab.active {
    background-color: #0A4BAA;
    color: white;
    box-shadow: 0 4px 12px rgba(10, 75, 170, 0.2);
  }
  
  .tab-icon {
    font-size: 1.1rem;
  }
  
  /* 改进数据中心地图样式 */
  .datacenter-map {
    position: relative;
    height: 300px;
    background: rgba(10, 75, 170, 0.02);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(10, 75, 170, 0.1);
    margin: 0 auto 40px;
    max-width: 900px;
  }
  
  /* 移动端响应式优化 */
  @media (max-width: 768px) {
    .datacenter-tabs {
      flex-wrap: wrap;
      width: 100%;
      max-width: 400px;
      justify-content: center;
    }
    
    .datacenter-tab {
      padding: 10px 16px;
      font-size: 0.85rem;
    }
    
    .datacenter-map {
      height: 220px;
    }
  }
  
  @media (max-width: 576px) {
    .datacenter-tabs-container {
      margin-top: 30px;
      margin-bottom: 20px;
    }
    
    .datacenter-tabs {
      padding: 4px;
    }
    
    .datacenter-tab {
      padding: 8px 12px;
      font-size: 0.8rem;
      flex: 1;
      justify-content: center;
    }
    
    .tab-text {
      display: none;
    }
    
    .tab-icon {
      margin: 0;
      font-size: 1.2rem;
    }
    
    .datacenter-map {
      height: 180px;
      border-radius: 12px;
    }
  }
  
  /* 移动导航栏样式 */
  .mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: white;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 100;
    padding: 10px 0;
    justify-content: space-around;
    border-top: 1px solid #e2e8f0;
    transition: transform 0.3s ease, visibility 0.3s ease; /* 添加visibility过渡 */
    height: auto; /* 确保高度只有实际内容那么高 */
    max-height: 70px; /* 限制最大高度 */
  }
  
  .mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: #64748b;
    font-size: 0.75rem;
    padding: 5px 0;
    transition: all 0.2s ease;
  }
  
  .mobile-nav-item.active {
    color: #0A4BAA;
  }
  
  .mobile-nav-icon {
    font-size: 1.2rem;
    margin-bottom: 4px;
  }
  
  /* 在小屏幕设备上显示移动导航栏 */
  @media (max-width: 768px) {
    .mobile-nav {
      display: flex;
    }
    
    /* 为底部导航添加页面底部间距 */
    body {
      padding-bottom: 60px;
    }
    
    /* 平滑滚动效果 */
    html {
      scroll-behavior: smooth;
    }
  }
  
  /* 添加内容区域的网格布局样式 */
  .datacenter-grid,
  .why-us-grid,
  .clients-grid,
  .news-grid,
  .contact-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
  }
  
  /* 数据中心卡片样式 */
  .datacenter-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    background: white;
  }
  
  .datacenter-img {
    position: relative;
    height: 200px;
    background-size: cover;
    background-position: center;
    border-radius: 16px 16px 0 0;
    overflow: hidden;
  }
  
  .datacenter-img::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
  }
  
  .datacenter-level {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: #0A4BAA;
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  }
  
  .datacenter-content-inner {
    padding: 24px;
  }
  
  .datacenter-content-inner h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #0A1525;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  
  .flag {
    font-size: 1.2rem;
  }
  
  .datacenter-content-inner p {
    color: #475569;
    margin-bottom: 16px;
    line-height: 1.6;
  }
  
  .datacenter-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
  }
  
  .datacenter-feature {
    background-color: #f1f5f9;
    color: #0A4BAA;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
  }
  
  /* 为其他内容区域添加样式 */
  .why-us,
  .clients,
  .news,
  .faq,
  .contact {
    padding: 100px 0;
    position: relative;
  }
  
  .why-us {
    background-color: white;
  }
  
  .clients {
    background-color: #f8fafc;
  }
  
  .news {
    background-color: white;
  }
  
  .faq {
    background-color: #f8fafc;
  }
  
  .contact {
    background-color: white;
  }
  
  /* 移动端优化 */
  @media (max-width: 768px) {
    .datacenter-card {
      border-radius: 12px;
      margin-bottom: 20px;
    }
    
    .datacenter-img {
      height: 160px;
      border-radius: 12px 12px 0 0;
    }
    
    .datacenter-content-inner {
      padding: 20px;
    }
    
    .datacenter-content-inner h3 {
      font-size: 1.3rem;
    }
    
    .why-us,
    .clients,
    .news,
    .faq,
    .contact {
      padding: 60px 0;
    }
  }
  
  @media (max-width: 576px) {
    .datacenter-img {
      height: 140px;
    }
    
    .datacenter-level {
      top: 10px;
      right: 10px;
      font-size: 0.7rem;
      padding: 3px 8px;
    }
    
    .datacenter-content-inner {
      padding: 16px;
    }
    
    .datacenter-content-inner h3 {
      font-size: 1.2rem;
      margin-bottom: 8px;
    }
    
    .datacenter-content-inner p {
      font-size: 0.9rem;
      margin-bottom: 12px;
    }
    
    .datacenter-features {
      gap: 6px;
      margin-bottom: 16px;
    }
    
    .datacenter-feature {
      font-size: 0.7rem;
      padding: 3px 10px;
    }
    
    .why-us,
    .clients,
    .news,
    .faq,
    .contact {
      padding: 40px 0;
    }
  }
  
  @media (max-width: 576px) {
    .hero-title {
      font-size: 1.8rem;
    }
    
    .hero-actions {
      flex-direction: column;
      align-items: center;
    }
    
    .btn {
      width: 100%;
      margin-bottom: 10px;
    }
    
    .datacenter-tab {
      padding: 8px;
    }
    
    .section-title h2 {
      font-size: 1.8rem;
    }
  }
  
  /* 添加产品展示区域样式 */
  .datacenter-products {
    margin-top: 20px;
    background: #f8fafc;
    border-radius: 8px;
    padding: 20px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    overflow: hidden;
  }
  
  .datacenter-products.collapsed {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    margin-top: 0;
    border: none;
    opacity: 0;
  }
  
  .product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
  }
  
  .product-card {
    background: white;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    position: relative;
    transition: all 0.2s ease;
  }
  
  .product-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    border-color: #3b82f6;
  }
  
  .product-name {
    font-size: 1rem;
    font-weight: 600;
    color: #0A1525;
    margin-bottom: 12px;
  }
  
  .product-specs {
    margin-bottom: 15px;
  }
  
  .spec-item {
    display: flex;
    align-items: center;
    margin-bottom: 6px;
    font-size: 0.85rem;
    color: #475569;
  }
  
  .spec-icon {
    margin-right: 6px;
  }
  
  .product-price {
    margin-bottom: 12px;
    color: #0A4BAA;
  }
  
  .price-value {
    font-size: 1.5rem;
    font-weight: 700;
  }
  
  .price-unit {
    font-size: 0.85rem;
    color: #64748b;
  }
  
  .product-button {
    display: inline-block;
    background: #3b82f6;
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.2s ease;
  }
  
  .product-button:hover {
    background: #2563eb;
    transform: translateY(-2px);
  }
  
  .popular {
    border-color: #3b82f6;
  }
  
  .popular-tag {
    position: absolute;
    top: -10px;
    right: 10px;
    background: #3b82f6;
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 20px;
  }
  
  .product-toggle-btn {
    background: none;
    border: none;
    color: #3b82f6;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 0;
  }
  
  .toggle-icon {
    margin-left: 5px;
    font-weight: 700;
    transition: all 0.2s ease;
  }
  
  .view-more-link {
    display: block;
    text-align: center;
    color: #3b82f6;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
  }
  
  .view-more-link:hover span {
    transform: translateX(3px);
    display: inline-block;
  }
  
  .view-more-link span {
    transition: all 0.2s ease;
  }
  
  /* 移动端响应式优化 */
  @media (max-width: 768px) {
    .product-grid {
      grid-template-columns: 1fr;
      gap: 15px;
    }
    
    .product-card {
      padding: 12px;
    }
    
    .product-name {
      font-size: 0.95rem;
    }
    
    .spec-item {
      font-size: 0.8rem;
    }
    
    .price-value {
      font-size: 1.3rem;
    }
    
    .datacenter-products {
      padding: 15px;
    }
  }
  
  @media (max-width: 576px) {
    .product-name {
      font-size: 0.9rem;
    }
    
    .spec-item {
      font-size: 0.75rem;
      margin-bottom: 4px;
    }
    
    .price-value {
      font-size: 1.2rem;
    }
    
    .product-button {
      padding: 6px 12px;
      font-size: 0.8rem;
    }
  }
  
  /* 服务优势区域样式 */
  .why-us-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
  }
  
  .why-us-card {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    text-align: center;
    border: 1px solid #f1f5f9;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .why-us-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: #e2e8f0;
  }
  
  .why-us-icon-container {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f0f7ff;
    border-radius: 50%;
    margin-bottom: 20px;
    transition: all 0.3s ease;
  }
  
  .why-us-card:hover .why-us-icon-container {
    background: #e0eeff;
    transform: scale(1.05);
  }
  
  .why-us-icon {
    font-size: 2.2rem;
  }
  
  .why-us-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #0A1525;
  }
  
  .why-us-card p {
    color: #475569;
    line-height: 1.6;
    font-size: 0.95rem;
  }
  
  /* 移动端响应式调整 */
  @media (max-width: 1024px) {
    .why-us-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  @media (max-width: 768px) {
    .why-us-grid {
      margin-top: 30px;
      gap: 20px;
    }
    
    .why-us-card {
      padding: 24px;
    }
    
    .why-us-icon-container {
      width: 70px;
      height: 70px;
      margin-bottom: 16px;
    }
    
    .why-us-icon {
      font-size: 2rem;
    }
    
    .why-us-card h3 {
      font-size: 1.2rem;
      margin-bottom: 10px;
    }
  }
  
  @media (max-width: 576px) {
    .why-us-grid {
      grid-template-columns: 1fr;
      gap: 16px;
    }
    
    .why-us-card {
      padding: 20px;
    }
    
    .why-us-icon-container {
      width: 60px;
      height: 60px;
    }
    
    .why-us-icon {
      font-size: 1.8rem;
    }
    
    .why-us-card h3 {
      font-size: 1.1rem;
    }
    
    .why-us-card p {
      font-size: 0.9rem;
    }
  }
  
  /* FAQ 区域样式 */
  .faq-container {
    max-width: 900px;
    margin: 0 auto;
  }
  
  .accordion {
    margin-top: 40px;
  }
  
  .card {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03);
    background-color: white;
  }
  
  .card-header {
    padding: 0;
    background-color: white;
    border-bottom: none;
  }
  
  .faq-question {
    position: relative;
    width: 100%;
    text-align: left;
    padding: 20px 24px;
    font-size: 1.1rem;
    font-weight: 600;
    color: #0A1525;
    text-decoration: none;
    transition: all 0.2s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .faq-question:not(.collapsed)::after {
    content: '−';
  }
  
  .faq-question::after {
    content: '+';
    font-size: 1.4rem;
    color: #0A4BAA;
    font-weight: 700;
  }
  
  .faq-question:hover, 
  .faq-question:focus {
    color: #0A4BAA;
    text-decoration: none;
  }
  
  .card-body {
    padding: 0 24px 20px;
    color: #475569;
    line-height: 1.7;
    font-size: 1rem;
  }
  
  /* 联系我们区域样式 */
  .contact-info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
  }
  
  .contact-info-item {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    text-align: center;
    border: 1px solid #f1f5f9;
    transition: all 0.3s ease;
  }
  
  .contact-info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border-color: #e2e8f0;
  }
  
  .contact-info-icon {
    font-size: 2.2rem;
    margin-bottom: 16px;
    color: #0A4BAA;
  }
  
  .contact-info-content h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #0A1525;
  }
  
  .contact-info-content p {
    color: #475569;
    margin-bottom: 0;
  }
  
  /* 移动端响应式调整 */
  @media (max-width: 1024px) {
    .contact-info-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  @media (max-width: 768px) {
    .accordion {
      margin-top: 30px;
    }
    
    .card {
      margin-bottom: 12px;
      border-radius: 10px;
    }
    
    .faq-question {
      padding: 16px 20px;
      font-size: 1rem;
    }
    
    .card-body {
      padding: 0 20px 16px;
      font-size: 0.95rem;
    }
    
    .contact-info-grid {
      margin-top: 30px;
      gap: 20px;
    }
    
    .contact-info-item {
      padding: 24px;
    }
    
    .contact-info-icon {
      font-size: 2rem;
      margin-bottom: 12px;
    }
    
    .contact-info-content h4 {
      font-size: 1.1rem;
    }
  }
  
  @media (max-width: 576px) {
    .accordion {
      margin-top: 24px;
    }
    
    .card {
      margin-bottom: 10px;
      border-radius: 8px;
    }
    
    .faq-question {
      padding: 14px 16px;
      font-size: 0.95rem;
    }
    
    .faq-question::after {
      font-size: 1.2rem;
    }
    
    .card-body {
      padding: 0 16px 14px;
      font-size: 0.9rem;
    }
    
    .contact-info-grid {
      grid-template-columns: 1fr;
      gap: 15px;
    }
    
    .contact-info-item {
      padding: 20px;
    }
    
    .contact-info-icon {
      font-size: 1.8rem;
    }
    
    .contact-info-content h4 {
      font-size: 1rem;
      margin-bottom: 6px;
    }
    
    .contact-info-content p {
      font-size: 0.9rem;
    }
  }
  
  /* 客户案例区域样式 */
  .clients-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
  }
  
  .client-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 1px solid #f1f5f9;
  }
  
  .client-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  }
  
  .client-img {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
  }
  
  .client-logo-container {
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    border: 2px solid white;
    overflow: hidden;
  }
  
  .client-logo {
    width: 80%;
    height: auto;
    object-fit: contain;
  }
  
  .client-content {
    padding: 30px 25px 25px;
    text-align: center;
  }
  
  .client-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #0A1525;
  }
  
  .client-content p {
    color: #475569;
    margin-bottom: 20px;
    line-height: 1.6;
  }
  
  .client-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 20px;
  }
  
  .client-tag {
    background-color: #f1f5f9;
    color: #0A4BAA;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
  }
  
  /* 新闻动态区域样式 */
  .news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
  }
  
  .news-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 1px solid #f1f5f9;
  }
  
  .news-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  }
  
  .news-img {
    height: 180px;
    background-size: cover;
    background-position: center;
    position: relative;
  }
  
  .news-date {
    position: absolute;
    bottom: 15px;
    left: 15px;
    background-color: rgba(255, 255, 255, 0.9);
    color: #0A4BAA;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    backdrop-filter: blur(4px);
  }
  
  .news-content {
    padding: 25px;
  }
  
  .news-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #0A1525;
  }
  
  .news-content p {
    color: #475569;
    margin-bottom: 16px;
    line-height: 1.6;
  }
  
  .news-link {
    color: #0A4BAA;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    font-size: 0.9rem;
  }
  
  .news-link span {
    transition: transform 0.2s ease;
    margin-left: 4px;
  }
  
  .news-link:hover span {
    transform: translateX(4px);
  }
  
  /* 移动端响应式优化 */
  @media (max-width: 1024px) {
    .news-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  @media (max-width: 768px) {
    .clients-grid,
    .news-grid {
      grid-template-columns: 1fr;
      gap: 20px;
      margin-top: 30px;
    }
    
    .client-img,
    .news-img {
      height: 160px;
    }
    
    .client-content,
    .news-content {
      padding: 25px 20px;
    }
    
    .client-content h3,
    .news-content h3 {
      font-size: 1.2rem;
      margin-bottom: 10px;
    }
  }
  
  @media (max-width: 576px) {
    .client-img,
    .news-img {
      height: 140px;
    }
    
    .client-logo-container {
      width: 40px;
      height: 40px;
      bottom: -20px;
    }
    
    .client-content,
    .news-content {
      padding: 20px 16px;
    }
    
    .client-content h3,
    .news-content h3 {
      font-size: 1.1rem;
      margin-bottom: 8px;
    }
    
    .client-content p,
    .news-content p {
      font-size: 0.9rem;
      margin-bottom: 16px;
    }
    
    .client-tags {
      margin-bottom: 16px;
    }
    
    .client-tag {
      font-size: 0.7rem;
      padding: 3px 10px;
    }
    
    .news-date {
      font-size: 0.7rem;
      padding: 3px 10px;
    }
  }
  
  body {
    font-family: 'Inter', sans-serif;
    color: #0f172a;
    line-height: 1.5;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
  }
  
  /* 数据中心标签栏优化 */
  .datacenter-tabs {
    display: inline-flex;
    background-color: white;
    border-radius: 60px;
    padding: 5px;
    box-shadow: 0 10px 25px rgba(10, 75, 170, 0.1);
    position: relative;
    z-index: 1;
  }
  
  .datacenter-tab {
    padding: 14px 30px;
    font-weight: 600;
    font-size: 0.95rem;
    color: #64748b;
    cursor: pointer;
    border-radius: 30px;
    transition: all 0.3s ease;
    position: relative;
    border: none;
    background: transparent;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  
  .datacenter-tab.active {
    color: white;
    background: linear-gradient(135deg, #0A4BAA, #1A8CD8);
    box-shadow: 0 8px 20px rgba(10, 75, 170, 0.25);
  }
  
  /* 通用响应式调整 */
  @media (max-width: 992px) {
    .container {
      max-width: 900px;
    }
    
    .hero-title {
      font-size: 3rem;
    }
    
    .section-title h2 {
      font-size: 2.6rem;
    }
  }
  
  @media (max-width: 768px) {
    .container {
      max-width: 100%;
      padding: 0 20px;
    }
    
    .hero-title {
      font-size: 2.5rem;
    }
    
    .hero-visual {
      transform: scale(0.9);
    }
    
    .section-title h2 {
      font-size: 2.2rem;
    }
    
    /* 移动端导航调整 */
    .mobile-nav {
      display: flex;
    }
    
    /* 为底部导航添加页面底部间距 */
    body {
      padding-bottom: 70px;
    }
    
    /* 调整各节的内容，确保在移动端上正确显示 */
    .hero {
      min-height: 70vh;
      padding: 80px 0 60px;
    }
    
    .section-title {
      margin-bottom: 30px;
    }
    
    .datacenter-grid,
    .why-us-grid,
    .clients-grid,
    .news-grid,
    .contact-info-grid {
      grid-template-columns: 1fr;
      gap: 20px;
    }
    
    /* 确保移动端所有内容区域有正确间距 */
    .datacenter,
    .why-us,
    .clients,
    .news,
    .faq,
    .contact {
      padding: 60px 0;
    }
  }
  
  @media (max-width: 576px) {
    .container {
      padding: 0 15px;
    }
    
    .hero-title {
      font-size: 2rem;
    }
    
    .hero-visual {
      transform: scale(0.8);
    }
    
    .hero-tag {
      font-size: 0.75rem;
      padding: 6px 14px;
      margin-bottom: 16px;
    }
    
    .hero-description {
      font-size: 0.95rem;
      margin-bottom: 24px;
    }
    
    .hero-stats {
      margin-bottom: 24px;
      gap: 20px;
    }
    
    .stat-value {
      font-size: 2rem;
    }
    
    .section-title h2 {
      font-size: 1.8rem;
    }
    
    .section-badge {
      font-size: 0.75rem;
      padding: 6px 14px;
    }
    
    .datacenter,
    .why-us,
    .clients,
    .news,
    .faq,
    .contact {
      padding: 40px 0;
    }
  }

  /* 移动导航栏额外样式优化 */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: white;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 100;
    padding: 10px 0;
    justify-content: space-around;
    border-top: 1px solid #e2e8f0;
    transition: transform 0.3s ease, visibility 0.3s ease; /* 添加visibility过渡 */
    height: auto; /* 确保高度只有实际内容那么高 */
    max-height: 70px; /* 限制最大高度 */
  }
  
  @media (max-width: 768px) {
    .mobile-nav {
      display: flex;
    }
    
    /* 为底部导航添加页面底部间距 */
    body {
      padding-bottom: 60px;
    }
    
    /* 平滑滚动效果 */
    html {
      scroll-behavior: smooth;
    }
  }