html, body {background-color:black;}
      .guest-shell {
        min-height: 100vh;
        background: radial-gradient(circle at top, rgba(22, 36, 54, 0.55), transparent 42%), #0f1522;
        color: #edf4fb;
        padding: 36px 44px;
      }
      .guest-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 16px;
        margin-bottom: 38px;
      }
      .guest-brand {
        display: inline-block;
        font-family: Georgia, "Times New Roman", serif;
        font-size: 38px;
        font-weight: 700;
        line-height: 1;
        letter-spacing: 0.02em;
        color: #79bf6d;
        text-decoration: none;
      }
      .guest-actions {
        display: flex;
        align-items: center;
        gap: 12px;
      }
      .guest-link {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 142px;
        height: 44px;
        padding: 0 18px;
        border-radius: 999px;
        text-decoration: none;
        font-weight: 700;
        border: 1px solid #2e4a67;
        color: #e6f0f8;
        background: rgba(18, 31, 46, 0.76);
      }
      .guest-link.primary {
        border-color: #2e8f63;
        background: linear-gradient(180deg, #1b8f5f 0%, #156f4a 100%);
        color: #f5fff9;
      }
      .guest-main {
        max-width: 920px;
        margin: 0 auto;
        padding-top: 34px;
      }
      .guest-card {
        background: linear-gradient(180deg, rgba(16, 24, 34, 0.98) 0%, rgba(12, 18, 26, 0.98) 100%);
        border: 1px solid #213246;
        border-radius: 22px;
        padding: 32px;
        box-shadow: 0 28px 70px rgba(0, 0, 0, 0.35);
      }
      .guest-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        min-height: 30px;
        padding: 0 14px;
        border-radius: 999px;
        background: rgba(43, 95, 155, 0.18);
        border: 1px solid rgba(76, 136, 205, 0.25);
        color: #8dc7ff;
        font-size: 13px;
        font-weight: 700;
        margin-bottom: 18px;
      }
      .guest-title {
        margin: 0 0 14px;
        font-size: 42px;
        line-height: 1.08;
      }
      .guest-copy {
        margin: 0;
        max-width: 760px;
        color: #b9cad9;
        font-size: 18px;
        line-height: 1.6;
      }
      .guest-row {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 16px;
        margin-top: 26px;
      }
      .guest-feature {
        padding: 18px;
        border-radius: 18px;
        border: 1px solid #203144;
        background: rgba(12, 19, 28, 0.88);
      }
      .guest-feature strong {
        display: block;
        margin-bottom: 8px;
        color: #eff7ff;
      }
      .guest-feature span {
        color: #91a6ba;
        font-size: 14px;
        line-height: 1.5;
      }
      @media (max-width: 900px) {
        .guest-shell { padding: 24px; }
        .guest-header { flex-direction: column; align-items: flex-start; }
        .guest-title { font-size: 34px; }
        .guest-row { grid-template-columns: 1fr; }
      }