body {
      font-family: 'Segoe UI', Roboto, system-ui, sans-serif;
      color: #1f3a44;
      background-color: #f9fcfd;
    }
    .navbar-brand {
      font-weight: 700;
      font-size: 1.8rem;
      color: #1e3c4f !important;
    }
    .section-title {
      font-size: 2.4rem;
      font-weight: 700;
      position: relative;
      display: inline-block;
      margin-bottom: 2rem;
    }
    .section-title:after {
      content: '';
      display: block;
      width: 70px;
      height: 4px;
      background: #d98c4a;
      border-radius: 4px;
      margin-top: 10px;
    }
    .tech-card {
      background: white;
      border-radius: 1.5rem;
      box-shadow: 0 12px 28px rgba(0,30,40,0.05);
      padding: 2rem;
      height: 100%;
      transition: 0.2s;
      border: 1px solid #eef4f7;
    }
    .tech-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 35px rgba(43,92,111,0.1);
    }
    .tech-icon {
      font-size: 2.5rem;
      color: #2b5c6f;
      margin-bottom: 1.2rem;
    }
    .tech-stats {
      background: #e7f0f5;
      border-radius: 1rem;
      padding: 1.5rem;
      text-align: center;
      height: 100%;
    }
    .stats-number {
      font-size: 2.2rem;
      font-weight: 800;
      color: #1e3c4f;
      line-height: 1.2;
    }
    .stats-label {
      font-size: 0.9rem;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: #4f6f7e;
    }
    .feature-badge {
      background: #d98c4a10;
      color: #b55a2a;
      border-radius: 50px;
      padding: 0.3rem 1rem;
      font-size: 0.9rem;
      font-weight: 500;
    }
    .spec-table {
      background: white;
      border-radius: 1.5rem;
      overflow: hidden;
      box-shadow: 0 8px 20px rgba(0,0,0,0.02);
    }
    .spec-table th {
      background: #1e3c4f;
      color: white;
      font-weight: 600;
      padding: 1rem;
    }
    .spec-table td {
      padding: 0.8rem 1rem;
      border-bottom: 1px solid #eef4f7;
    }
    .spec-table tr:last-child td {
      border-bottom: none;
    }
    .btn-cta {
      background: #d98c4a;
      color: white;
      border-radius: 50px;
      padding: 0.8rem 2rem;
      font-weight: 600;
      border: none;
      transition: 0.3s;
    }
    .btn-cta:hover {
      background: #c57633;
      transform: translateY(-2px);
      box-shadow: 0 10px 20px rgba(217,140,74,0.2);
    }
    .breadcrumb {
      background: transparent;
      padding: 0.5rem 0;
    }
    .breadcrumb-item a {
      color: #2b5c6f;
      text-decoration: none;
    }
    .footer-link {
      color: #b6ccd9;
      text-decoration: none;
    }
    .footer-link:hover {
      color: white;
    }
    .diagram-placeholder {
      background: linear-gradient(145deg, #d4e3ec, #bdd6e3);
      border-radius: 1.5rem;
      height: 240px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #1e3c4f;
      font-size: 1.5rem;
      font-weight: 500;
    }