    :root {
      --card-gap: 1.25rem;
      --card-radius: 8px;
      --card-bg: #ffffff;
      --muted: #666;
      --accent: #0b6;
      --max-width: 1100px;
      --shadow: 0 6px 18px rgba(11,11,11,0.06);
    }

    body {

    }

    .activity-wrap {
      width: 100%;
      max-width: var(--max-width);
      margin: auto;
    }

    .activity-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 1rem;
    }

    .activity-header h1 {
      font-size: 1.4rem;
      margin: 0;
    }

    .activity-header p {
      margin: 0;
      color: var(--muted);
    }

    h2 {
      margin: 0 0 1rem 0;
      font-size: 1.25rem;
    }

    .activity-section {
      margin: 1.5rem 0;
    }

    .activity-list {
      display: flex;
      flex-direction: column;
      gap: var(--card-gap);
    }

    .activity-card {
      display: flex;
      align-items: stretch;
      gap: 1rem;
      background: var(--card-bg);
      border-radius: var(--card-radius);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .activity-list .activity-card:nth-child(even) {
      flex-direction: row-reverse;
    }

    .activity-card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .activity-card-media {
      flex: 0 0 40%;
      min-width: 180px;
      display: block;
      position: relative;
      margin: 0px;
      max-width: 350px;
    }

    .activity-card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      aspect-ratio: 1/1;
      max-width: 350px;
      max-height: 350px;
      margin: 0px;
    }

    .activity-card-body {
      padding: 1rem;
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 0.5rem;
    }

    .activity-card-title {
      font-weight: 700;
      margin: 0;
    }

    .activity-card-meta {
      font-size: 0.9rem;
      color: var(--muted);
    }

    .activity-card-desc {
      margin: 0;
      color: #222;
      line-height: 1.45;
    }

    .activity-badge {
      font-size: 0.75rem;
      padding: 0.25rem 0.5rem;
      border-radius: 999px;
      background: rgba(11,102,85,0.1);
      color: var(--accent);
      display: inline-block;
      margin-top: 5px;
    }

    @media (max-width:760px) {
      .activity-card-media {
        flex-basis: 100%;
        min-width: 0;
        max-width: 100%;
      }

      .activity-list .activity-card:nth-child(even) {
        flex-direction: column;
      }

      .activity-card {
        flex-direction: column;
      }

      .activity-card-media img {
        aspect-ratio: 1/1;
        width: 100%;
        height: auto;
        max-width: 100%;
        max-height: 350px;
      }
    }
