/* ===== Page Header Override ===== */
.page-header {
    background-image: url('../images/banners/about.webp');
}

/* ===== Section Styling for About Page ===== */
.section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    text-align: center;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-medium);
    text-align: center; /* 明确补回居中对齐 */
    max-width: 800px;
    margin: 0 auto 40px;
}

/* ===== About Content Layout ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.about-content p {
    font-size: 16px;
    color: var(--text-medium);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

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

/* ===== Mission & Vision (Values) ===== */
.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.value-card {
    background-color: var(--secondary-color);
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.value-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--secondary-color);
}

.value-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.value-description {
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .values-grid { grid-template-columns: 1fr; }
}

/* ===== Certifications & Awards ===== */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 30px;
}

.cert-card {
    background-color: var(--secondary-color);
    padding: 30px 20px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.cert-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.cert-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 16px;
    background-color: var(--accent-blue);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-color);
}

.cert-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark);
}

@media (max-width: 1024px) {
    .certifications-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .certifications-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== Stats Section ===== */
.stats-section {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--secondary-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 16px;
    opacity: 0.95;
}

@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .stats-grid { grid-template-columns: 1fr; }
}

/* ===== CTA Section Specifics ===== */
.cta-section {
    background-color: var(--accent-blue);
    text-align: center;
}

.cta-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.cta-subtitle {
    font-size: 18px;
    color: var(--text-medium);
    margin-bottom: 30px;
}

/* Button Overrides for About Page */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}