* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
  }
  body {
    background-color: #f4f6f9;
    color: #333;
  }
  nav {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
  }
  nav .title {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2d3748;
  }
  nav .menu {
    display: flex;
    gap: 2rem;
  }
  nav .menu a {
    text-decoration: none;
    color: #2d3748;
    font-weight: 500;
    transition: color 0.2s;
  }
  nav .menu a:hover {
    color: #0077ff;
  }
  nav .menu a.active {
    color: #0077ff;
    border-bottom: 2px solid #0077ff;
  }
  header {
    text-align: center;
    padding: 2rem;
  }
  header h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
  }
  header p {
    font-size: 1rem;
    color: #666;
  }
  #map {
    height: 400px;
    margin: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  }
  .anomaly-log {
    padding: 2rem;
  }
  .anomaly-container {
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    padding: 1rem;
    margin-bottom: 2rem;
  }
  .anomaly-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
    margin-bottom: 1rem;
  }
  .anomaly-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2d3748;
  }
  .view-all {
    text-decoration: none;
    color: #0077ff;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  .anomaly {
    background: #fff;
    padding: 1rem;
    margin-bottom: 1rem;
    border-left: 5px solid #ff3b3b;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    position: relative;
    transition: all 0.2s;
  }
  .anomaly:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  }
  .anomaly:last-child {
    margin-bottom: 0;
  }
  .anomaly.fire {
    border-left-color: #ff3b3b;
  }
  .anomaly.water {
    border-left-color: #3182ce;
  }
  .anomaly.crack {
    border-left-color: #38a169;
  }
  .anomaly.obstacle {
    border-left-color: #d53f8c;
  }
  .anomaly-type {
    font-weight: 600;
    margin-right: 0.5rem;
  }
  .anomaly-type.fire {
    color: #ff3b3b;
  }
  .anomaly-type.water {
    color: #3182ce;
  }
  .anomaly-type.crack {
    color: #38a169;
  }
  .anomaly-type.obstacle {
    color: #d53f8c;
  }
  .anomaly-time {
    font-size: 0.9rem;
    color: #666;
    margin-top: 0.5rem;
  }
  .anomaly-location {
    font-size: 0.9rem;
    color: #666;
    margin-top: 0.25rem;
  }
  .anomaly-icon {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    opacity: 0.2;
  }
  .statistics {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
    margin: 2rem;
  }
  .stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    text-align: center;
  }
  .stat-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
  }
  .stat-icon.fire {
    color: #ff3b3b;
  }
  .stat-icon.water {
    color: #3182ce;
  }
  .stat-icon.crack {
    color: #38a169;
  }
  .stat-icon.obstacle {
    color: #d53f8c;
  }
  .stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
  }
  .stat-title {
    color: #666;
    font-size: 0.9rem;
  }
  .footer {
    text-align: center;
    padding: 2rem;
    font-size: 0.9rem;
    color: #888;
  }
  .loading {
    text-align: center;
    padding: 2rem;
    color: #666;
  }
  .loading i {
    animation: spin 1s linear infinite;
    font-size: 2rem;
    margin-bottom: 1rem;
  }
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }
  .empty-log {
    text-align: center;
    padding: 2rem;
    color: #666;
  }