/* About页面样式 */
.about-hero {
    position: relative;
    padding: 120px 0 80px;
    color: white;
    text-align: center;
    overflow: hidden;
    background: linear-gradient(135deg, #004481 0%, #005db3 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.about-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    font-weight: 600;
    color: #ffffff;
}

.hero-text {
    font-size: 1.4rem;
    color: #ffffff;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.about-content {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--light-blue) 0%, white 60%, var(--light-blue) 100%);
}

.about-section {
    max-width: 900px;
    margin: 0 auto 4rem;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

.about-section h2 {
    color: var(--primary-blue);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.about-section p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 4rem auto;
    max-width: 1200px;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-item img {
    width: 64px;
    height: 64px;
    margin-bottom: 1.5rem;
}

.feature-item h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.quality-content {
    padding: 2rem;
    background: var(--light-blue);
    border-radius: 8px;
    margin-top: 2rem;
}

.quality-content h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.quality-content p {
    margin-bottom: 2rem;
}

.quality-content p:last-child {
    margin-bottom: 0;
}