@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700;900&display=swap');
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body { font-family: 'Montserrat', sans-serif; background: #f0f2f5; color: #333; }
    .slide { width: 100%; max-width: 1024px; margin: 20px auto; background: #fff; border-radius: 20px; box-shadow: 0 8px 30px rgba(0,0,0,0.12); overflow: hidden; min-height: 500px; display: flex; flex-direction: column; }
    .slide-header { background: #3d5a96; padding: 18px 30px; display: flex; align-items: center; justify-content: space-between; }
    .slide-header h2 { color: #fff; font-size: 20px; font-weight: 700; }
    .slide-header .num { color: rgba(255,255,255,0.6); font-size: 14px; }
    .slide-body { padding: 30px; flex: 1; }
    .slide-footer { background: #2e4575; padding: 10px 30px; display: flex; justify-content: space-between; color: rgba(255,255,255,0.7); font-size: 12px; }
    .portada { min-height: 90vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; position: relative; overflow: hidden; }
    .portada-bg { position: absolute; inset: 0; background: linear-gradient(135deg, #3d5a96 0%, #e8755c 50%, #d05a7e 100%); z-index: 0; }
    .portada .franja1 { position: absolute; bottom: 0; left: 0; right: 0; height: 12px; background: #e8755c; z-index: 1; }
    .portada .franja2 { position: absolute; top: 0; right: 0; width: 25%; height: 8%; background: #d05a7e; z-index: 1; }
    .portada .franja3 { position: absolute; bottom: 0; left: 0; width: 10%; height: 18%; background: #d05a7e; z-index: 1; }
    .portada .franja4 { position: absolute; bottom: 0; right: 0; width: 15%; height: 12%; background: #e8755c; z-index: 1; }
    .portada-content { position: relative; z-index: 2; padding: 40px; }
    .portada .campus { color: rgba(255,255,255,0.7); font-size: 13px; letter-spacing: 4px; font-weight: 700; margin-bottom: 40px; }
    .portada h1 { color: #fff; font-size: 48px; font-weight: 900; line-height: 1.2; margin-bottom: 8px; text-shadow: 3px 3px 12px rgba(0,0,0,0.2); }
    .portada h1 span { display: block; font-size: 32px; font-weight: 600; }
    .portada .tema-label { color: rgba(255,255,255,0.85); font-size: 18px; margin-top: 50px; }
    .portada .tema { color: #fff; font-size: 28px; font-weight: 700; margin-top: 8px; }
    .portada .instituto { color: rgba(255,255,255,0.75); font-size: 15px; margin-top: 50px; }
    .portada .fecha { color: rgba(255,255,255,0.55); font-size: 13px; margin-top: 10px; }
    h3 { color: #3d5a96; font-size: 22px; margin-bottom: 20px; }
    h4 { color: #3d5a96; font-size: 18px; margin-bottom: 12px; }
    .block { background: #fdf4f0; border-left: 5px solid #e8755c; padding: 18px 20px; border-radius: 0 10px 10px 0; margin: 15px 0; }
    .block-title { font-weight: 700; color: #e8755c; margin-bottom: 6px; }
    .block-blue { background: #eff2f8; border-left: 5px solid #3d5a96; }
    .block-blue .block-title { color: #3d5a96; }
    .block-pink { background: #fdf0f4; border-left: 5px solid #d05a7e; }
    .block-pink .block-title { color: #d05a7e; }
    .block-vino { background: #fdf0f2; border-left: 5px solid #691b31; }
    .block-vino .block-title { color: #691b31; }
    ul, ol { padding-left: 22px; line-height: 2; }
    li { margin-bottom: 4px; }
    .columns { display: flex; gap: 30px; }
    .columns > div { flex: 1; }
    table { width: 100%; border-collapse: collapse; margin: 15px 0; }
    th, td { border: 1px solid #ddd; padding: 10px 14px; text-align: left; }
    th { background: #3d5a96; color: #fff; }
    tr:nth-child(even) { background: #f8f9fc; }
    .tag { display: inline-block; background: #3d5a96; color: #fff; padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; margin-right: 6px; }
    .center { text-align: center; }
    .final { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 400px; text-align: center; }
    .final h2 { color: #3d5a96; font-size: 32px; margin-bottom: 20px; }
    .final p { color: #666; font-size: 18px; }
    .nav-bar { max-width: 1024px; margin: 10px auto; display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
    .nav-bar button { background: #3d5a96; color: #fff; border: none; padding: 8px 16px; border-radius: 8px; cursor: pointer; font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: 13px; transition: all 0.2s; }
    .nav-bar button:hover { background: #e8755c; transform: translateY(-2px); }
    .nav-bar button.activo { background: #d05a7e; }
    .nav-controls { max-width: 1024px; margin: 10px auto; display: flex; gap: 10px; justify-content: center; }
    .nav-controls button { background: #3d5a96; color: #fff; border: none; padding: 10px 28px; border-radius: 25px; cursor: pointer; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 15px; transition: all 0.2s; }
    .nav-controls button:hover { background: #e8755c; transform: scale(1.05); }
    .counter { max-width: 1024px; margin: 5px auto; text-align: center; font-size: 13px; color: #888; }
    @media (max-width: 768px) {
        .portada h1 { font-size: 32px; }
        .portada h1 span { font-size: 24px; }
        .portada .tema { font-size: 20px; }
        .columns { flex-direction: column; }
        .slide-body { padding: 20px; }
        .slide-header h2 { font-size: 16px; }
    }