/* 关于页样式 */

.about-header {
    text-align: center;
    margin-bottom: 4rem;
}

.about-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-header .subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 2.5rem;
    margin-bottom: 3rem;
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.about-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
}

.about-card h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.about-card p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.05rem;
}

.about-features {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 3rem;
    margin-top: 3rem;
}

.about-features h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.feature-item:hover {
    background: var(--bg-light);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.feature-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .about-header h1 {
        font-size: 2rem;
    }

    .about-card {
        padding: 1.5rem;
    }

    .about-card img {
        height: 200px;
    }

    .about-card h2 {
        font-size: 1.5rem;
    }

    .about-features {
        padding: 2rem 1.5rem;
    }

    .about-features h2 {
        font-size: 1.8rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}