.long-about {
    margin-top: 50px;
}

.long-about p {
    text-align: justify;
}

.content-section li {
    text-align: justify;
    padding: 1%;
    font-size: 1.1rem;
}

.card strong {
    font-weight: 900;
    font-size: 1.8rem;
    color: #444;
}

.card-container {
    padding: 2%;
}

.about-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.about-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 24px;
    text-align: center;
}

.about-subtitle {
    font-size: 1.5rem;
    color: #2980b9;
    margin-bottom: 16px;
    text-align: center;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #444;
    margin-bottom: 24px;
    text-align: justify;
}

.about-image {
    display: block;
    max-width: 200px;
    margin: 0 auto 24px auto;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(44,62,80,0.12);
}

/* Leaders Tree Section */
.tree-leaders {
    margin: 0 auto 60px auto;
    max-width: 900px;
    padding: 32px 16px;
    background: #f8fafc;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(44,62,80,0.06);
}

.leaders-tree ul {
    padding-left: 0;
    list-style: none;
    position: relative;
}

.leaders-tree ul ul {
    margin-top: 24px;
    display: flex;
    justify-content: center;
    gap: 40px;
}

.leaders-tree li {
    position: relative;
    text-align: center;
}

.leaders-tree li::before {
    content: '';
    position: absolute;
    top: -32px;
    left: 50%;
    width: 2px;
    height: 32px;
    background: #b2bec3;
    transform: translateX(-50%);
    z-index: 0;
    display: none;
}

.leaders-tree ul ul > li::before {
    display: block;
}

.leader-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(44,62,80,0.10);
    padding: 24px 16px;
    min-width: 220px;
    max-width: 260px;
    margin: 0 auto;
    transition: box-shadow 0.2s;
}

.leader-card:hover {
    box-shadow: 0 6px 24px rgba(41,128,185,0.13);
}

.leader-photo {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 16px;
    border: 3px solid #00796b;
    box-shadow: 0 2px 8px rgba(41,128,185,0.10);
}

.leader-info h3 {
    margin: 0 0 8px 0;
    font-size: 1.2rem;
    color: #2c3e50;
    font-weight: 600;
}

.leader-info p {
    margin: 0;
    font-size: 1rem;
    color: #636e72;
    line-height: 1.5;
}

.expand-left {
    margin-right: 50px;
}

.expand-right {
    margin-left: 50px;
}

@media (max-width: 600px) {
    .about-container {
        padding: 20px 8px;
    }
    .about-title {
        font-size: 2rem;
    }
    .about-subtitle {
        font-size: 1.2rem;
    }
    .tree-leaders {
        padding: 16px 4px;
    }
    .leaders-tree ul ul {
        flex-direction: column;
        gap: 16px;
    }
    .leader-card {
        min-width: 0;
        max-width: 100%;
        padding: 16px 8px;
    }

    .expand-left {
        margin-right: 0;
    }

    .expand-right {
        margin-left: 0;
    }
}