body {
      background-color: #07121f !important;
      color: #cdd9e5;
      font-family: "Inter", sans-serif;
    }

    .tcs-hero {
      background: linear-gradient(135deg, #061727, #0b1b2b 60%);
      color: #dbe8f5;
      border-radius: 16px;
      padding: 28px;
      box-shadow: 0 12px 30px rgba(0, 0, 0, .25);
    }

    .tcs-wrapper {
      max-width: 80%;
      margin: 24px auto;
      padding: 0 16px;
    }

    .tcs-toc {
      position: sticky;
      top: 90px;
    }

    .tcs-toc a {
      display: block;
      padding: 8px 10px;
      border-left: 2px solid transparent;
      color: #b8c7e0;
      text-decoration: none;
      font-size: 0.95rem;
    }

    .tcs-toc a:hover {
      border-left-color: #00bfff;
      color: #e8f4ff;
    }

    .tcs-section {
      background: #0b1b2b;
      border: 1px solid rgba(0, 191, 255, .18);
      border-radius: 14px;
      padding: 18px;
      margin-bottom: 18px;
      color: #cdd9e5;
    }

    .tcs-section h3 {
      color: #ffffff;
      margin-bottom: 8px;
      font-size: 1.15rem;
    }

    .tcs-badge {
      background: rgba(0, 191, 255, .15);
      border: 1px solid rgba(0, 191, 255, .35);
      color: #9fe7ff;
      padding: 2px 8px;
      border-radius: 999px;
      font-size: .75rem;
      margin-left: 10px;
    }

    .tcs-updated {
      color: #9bc6e3;
      font-size: .9rem;
    }

    .tcs-list {
      margin: 0;
      padding-left: 1rem;
    }

    .tcs-list li {
      margin: 6px 0;
    }

    code.bg {
      background: rgba(255, 255, 255, .07);
      padding: 2px 6px;
      border-radius: 6px;
    }

    @media (max-width: 992px) {
      .tcs-toc {
        position: static;
        margin-bottom: 12px;
      }
    }

    footer {
      text-align: center;
      padding: 20px;
      color: #9bb4cc;
      font-size: 0.9rem;
      border-top: 1px solid rgba(0, 191, 255, 0.15);
      margin-top: 40px;
    }