body {
    margin: 0;
    padding: 0;
    background: linear-gradient(to right, #4e54c8, #8f94fb); /* Fondo degradado suave */
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.container {
    text-align: center;
    background: rgba(255, 255, 255, 0.9); /* Fondo blanco semitransparente */
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    max-width: 800px;
    margin: 20px;
}

h1 {
    font-size: 2.5rem;
    margin: 0 0 20px;
    color: #4a4a4a; /* Color de texto oscuro */
}

.mindmap {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.node {
    background: #f4f4f4;
    border-radius: 10px;
    padding: 15px 25px;
    margin: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    position: relative;
}

.main-node {
    font-size: 1.8rem;
    font-weight: bold;
    background: #e0e0e0;
}

.sub-node {
    background: #d0e0ff;
    font-size: 1.2rem;
    margin-top: 10px;
    padding: 10px;
}

.detail {
    margin: 5px 0;
}

.back {
    display: inline-block;
    margin-top: 20px;
    font-size: 1rem;
    color: #4e54c8;
    text-decoration: none;
    background: #fff;
    padding: 10px 20px;
    border-radius: 8px;
    transition: background 0.3s, color 0.3s;
}

.back:hover {
    background: #4e54c8;
    color: #fff;
}

body {
    margin: 0;
    padding: 0;
    background: linear-gradient(to right, #4e54c8, #8f94fb); /* Fondo degradado suave */
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.container {
    text-align: center;
    background: rgba(255, 255, 255, 0.9); /* Fondo blanco semitransparente */
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    max-width: 800px;
    margin: 20px;
}

h1 {
    font-size: 2.5rem;
    margin: 0 0 20px;
    color: #4a4a4a; /* Color de texto oscuro */
}

.mindmap {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.node {
    background: #f4f4f4;
    border-radius: 10px;
    padding: 15px 25px;
    margin: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    position: relative;
}

.main-node {
    font-size: 1.8rem;
    font-weight: bold;
    background: #e0e0e0;
}

.sub-node {
    background: #d0e0ff;
    font-size: 1.2rem;
    margin-top: 10px;
    padding: 10px;
}

.detail {
    margin: 5px 0;
}

.back {
    display: inline-block;
    margin-top: 20px;
    font-size: 1rem;
    color: #4e54c8;
    text-decoration: none;
    background: #fff;
    padding: 10px 20px;
    border-radius: 8px;
    transition: background 0.3s, color 0.3s;
}

.back:hover {
    background: #4e54c8;
    color: #fff;
}