.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
  }
  
  .site-header {
    background: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    padding: 20px 0;
  }
  
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
  }
  
  .main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
  }
  
  .main-nav ul {
    display: flex;
    list-style: none;
    gap: 36px;
    margin: 0;
    padding: 0;
  }