.about-hero {
    padding: 120px 0 80px;
    background-image: linear-gradient(to bottom, #1565C0 0%, #0D47A1 100%);
    position: relative;
}

.about-title {
    color: #fff;
    font-size: 42px;
    line-height: 1.3;
    margin-top: 10px;
    font-weight: 800;
}

.letter-layout {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 50px;
    align-items: center;
}

.letter-img-box {
    position: relative;
}

.letter-img-box img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    display: block;
}

.letter-img-box::after {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 4px solid #1565C0;
    border-radius: 20px;
    z-index: -1;
}

.letter-content h2 {
    font-size: 32px;
    font-weight: 800;
    color: #0F172A;
    margin-top: 15px;
    line-height: 1.3;
}

.letter-content .divider {
    width: 60px;
    height: 4px;
    background: #D93025;
    margin: 20px 0;
    border-radius: 2px;
}

.letter-content p {
    font-size: 16px;
    color: #475569;
    line-height: 1.7;
    margin-bottom: 16px;
}

.signature-box {
    background: #F8FAFC;
    padding: 25px 30px;
    border-left: 5px solid #1565C0;
    margin-top: 30px;
    border-radius: 0 12px 12px 0;
}

.signature-box p {
    font-size: 17px;
    font-style: italic;
    font-weight: 500;
    color: #1E293B;
    margin-bottom: 20px;
}

.sign-name .sign-text {
    font-family: 'Times New Roman', Times, serif;
    font-size: 24px;
    color: #1565C0;
    display: block;
}

.sign-name strong {
    display: block;
    font-size: 15px;
    color: #64748B;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

.about-philosophy {
    background: #F0F5FF;
    padding: 80px 0;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 30px;
    margin-top: 50px;
}

.phil-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: all 0.3s;
}

.phil-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(21, 101, 192, 0.1);
}

.phil-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
}

.phil-card h3 {
    font-size: 20px;
    color: #0F172A;
    margin-bottom: 15px;
    font-weight: 700;
}

.phil-card p {
    color: #64748B;
    font-size: 15px;
    line-height: 1.6;
}

.about-quote-banner {
    padding: 100px 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #fff;
}

.about-quote-banner h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
}

.about-quote-banner p {
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

@media (max-width: 1024px) {
    .letter-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .philosophy-grid {
        grid-template-columns: 1fr;
    }
    .about-title {
        font-size: 32px;
    }
}