body {
      margin: 0;
      font-family: Arial, sans-serif;
      background: #f7f9fc;
      color: #333;
      line-height: 1.6;
    }
    header {
      background: #0077b6;
      color: white;
      text-align: center;
      padding: 20px 0;
    }
    header h1 {
      margin: 0;
      font-size: 2.2rem;
    }
    header p {
      margin: 8px 0 0;
      font-size: 1.1rem;
    }
    nav {
      background: #023e8a;
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
    }
    nav a {
      color: #fff;
      padding: 14px 20px;
      text-decoration: none;
      transition: background 0.3s;
    }
    nav a:hover {
      background: #0096c7;
    }
    .hero {
      background: url('../images/home/slider/slider1.jpeg') no-repeat center center/cover;
      height: 40vh;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: white;
      padding: 0 20px;
    }
    .hero h1 {
      font-size: 2.5rem;
      background: rgba(0,0,0,0.6);
      padding: 15px 25px;
      border-radius: 10px;
    }
    .section {
      max-width: 1100px;
      margin: auto;
      padding: 50px 20px;
    }
    .intro-section {
      padding: 20px 20px 26px !important;
    }
    .intro-card {
      width: 100%;
      box-sizing: border-box;
      margin: 0 auto;
      padding: 28px 32px;
      background: #fff;
      border: 1px solid rgba(7, 91, 53, 0.14);
      border-radius: 12px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
    .intro-card p {
      margin: 0;
      color: #4d5c52;
      font-size: 1.06rem;
      line-height: 1.75;
    }
    .cards {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
    }
    .cards-gap {
      margin-top: 50px;
    }
    .volunteer-opportunities {
      text-align: center;
    }
    .volunteer-opportunities h2 {
      margin: 0 0 10px;
      color: #0077b6;
      font-size: 2rem;
    }
    .opportunities-intro {
      max-width: 760px;
      margin: 0 auto 24px;
      color: #4d5c52;
      font-size: 1.05rem;
      line-height: 1.65;
    }
    .card {
      background: white;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
      transition: transform 0.3s ease;
      text-align: left;
    }
    .card:hover {
      transform: translateY(-5px);
    }
    .card img {
      width: 100%;
      height: 220px;
      object-fit: cover;
    }
    .card h3 {
      margin: 18px 18px 10px;
      color: #023e8a;
    }
    .card p {
      margin: 0;
      padding: 0 18px 22px;
      color: #4d5c52;
      font-size: 0.95rem;
      line-height: 1.6;
    }
    .involvement-details,
    .why-choose {
      margin-top: 45px;
      background: white;
      border-radius: 12px;
      padding: 28px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
    .involvement-details h2,
    .why-choose h2 {
      color: #0077b6;
      text-align: center;
      margin-top: 0;
    }
    .detail-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 18px;
    }
    .detail-list div {
      background: #f7f9fc;
      border-radius: 10px;
      padding: 20px;
    }
    .detail-list h3 {
      color: #023e8a;
      margin-top: 0;
    }
    .join-action {
      margin-top: 24px;
      text-align: center;
    }
    .join-action a {
      display: inline-block;
      padding: 12px 24px;
      color: #fff;
      background: #b9511a;
      border-radius: 8px;
      font-weight: 700;
      text-decoration: none;
      transition: background 0.2s ease, transform 0.2s ease;
    }
    .join-action a:hover,
    .join-action a:focus-visible {
      background: #9f4313;
      transform: translateY(-2px);
    }
    .why-intro {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 24px;
      color: #4d5c52;
      font-size: 1.08rem;
      line-height: 1.7;
    }
    .why-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }
    .why-grid article {
      padding: 20px;
      background: #f7fbf8;
      border: 1px solid rgba(7, 91, 53, 0.12);
      border-radius: 10px;
    }
    .why-grid h3 {
      margin: 0 0 8px;
      color: #075b35;
    }
    .why-grid p {
      margin: 0;
      color: #4d5c52;
      line-height: 1.65;
    }
    @media (max-width: 720px) {
      .why-grid {
        grid-template-columns: 1fr;
      }
    }
    .why-choose ul {
      max-width: 760px;
      margin: 0 auto;
      padding-left: 20px;
    }
    .why-choose li {
      margin-bottom: 8px;
    }
    .cta {
      text-align: center;
      margin-top: 50px;
    }
    .cta h2 {
      color: #0077b6;
      margin-bottom: 10px;
    }
    .cta p {
      font-size: 1.1rem;
      margin-bottom: 20px;
    }
    .cta a {
      display: inline-block;
      padding: 12px 25px;
      background: #e67e22;
      color: white;
      text-decoration: none;
      border-radius: 8px;
      font-size: 1.1rem;
      transition: background 0.3s ease;
    }
    .cta a:hover {
      background: #d35400;
    }
    footer {
      background: #023e8a;
      color: white;
      text-align: center;
      padding: 20px;
      margin-top: 40px;
    }

    .involved-hero.hero {
      width: min(100% - 48px, 1240px);
      min-height: 330px;
      margin: 28px auto 0;
      padding: 44px;
      justify-content: flex-start;
      text-align: left;
      border-radius: 18px;
      background:
        linear-gradient(100deg, rgba(7, 91, 53, 0.9) 0%, rgba(7, 91, 53, 0.68) 48%, rgba(7, 91, 53, 0.1) 100%),
        url('../images/events/australians_visit/australians_visit-1.jpeg') center 45%/cover;
      box-shadow: 0 18px 45px rgba(7, 91, 53, 0.18);
    }
    .involved-hero.hero h1 {
      max-width: 640px;
      margin: 0;
      padding: 0;
      background: transparent;
      border-radius: 0;
      font-size: clamp(2rem, 4.8vw, 4rem);
      line-height: 1.04;
      text-shadow: 0 4px 18px rgba(0, 0, 0, 0.36);
    }
    @media (max-width: 760px) {
      .involved-hero.hero {
        width: min(100% - 28px, 1240px);
        min-height: 250px;
        padding: 30px 22px;
      }
    }