/* 头部banner */
.hero {
    background: linear-gradient(135deg, #2c3e50, #4a6491);
    color: white;
    padding: 1rem 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero .logo {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.slogan {
    font-size: 1.5rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.intro {
    font-size: 1.1rem;
    line-height: 1.8;
    opacity: 0.95;
}

/* 内容区域样式 */
.content-section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 3rem;
    color: #2c3e50;
    position: relative;
}

.section-title::after {
    content: "";
    display: block;
    width: 60px;
    height: 4px;
    background: #4a6491;
    margin: 1rem auto;
    border-radius: 2px;
}

/* 内容卡片样式 */
.content-cards {
    margin-top: 2rem;
}

.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 7px 20px rgba(0, 0, 0, 0.08);
    padding: 2rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.card-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 0;
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: 0;
    color: #2c3e50;
    font-weight: 600;
}

.card-content {
    color: #555;
    line-height: 1.7;
    font-size: 1rem;
}

/* 数据统计 */
.stats-section {
    background: #eef2f7;
    padding: 3rem 0;
    text-align: center;
}

.stat-item {
    padding: 1.5rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #4a6491;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: #666;
    font-weight: 500;
}

/* 愿景部分样式 */
.vision-section {
    background: #f8f9fa;
    padding: 4rem 0;
    text-align: center;
}

.vision-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.2rem;
    line-height: 1.8;
    color: #555;
}

.highlight {
    color: #4a6491;
    font-weight: 600;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero {
        padding: 2rem 0;
    }
    
    .hero .logo {
        font-size: 2.5rem;
    }
    
    .slogan {
        font-size: 1.2rem;
    }
    
    .intro {
        font-size: 1rem;
    }
    
    .content-section {
        padding: 2rem 0;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .card-title {
        font-size: 1.3rem;
    }
}