/* 设计与生产流程区域样式 */
.features-section {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.features-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 区域标题样式 */
.features-section .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.features-section .section-title {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.features-section .section-description {
    font-size: 16px;
    color: #777;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 特性网格布局 */
.features-section .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

/* 单个特性项样式 */
.features-section .feature-item {
    background-color: #fff;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.features-section .feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: #4a90e2;
}

/* 特性图标样式 */
.features-section .feature-icon {
    width: 80px;
    height: 80px;
    background-color: #f0f7ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.features-section .feature-item:hover .feature-icon {
    background-color: #4a90e2;
    transform: scale(1.1);
}

.features-section .feature-icon i {
    font-size: 32px;
    color: #4a90e2;
    transition: all 0.3s ease;
}

.features-section .feature-item:hover .feature-icon i {
    color: #fff;
    transform: rotate(5deg);
}

/* 特性标题样式 */
.features-section .feature-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
    text-transform: capitalize;
}

/* 特性描述样式 */
.features-section .feature-description {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .features-section .features-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 25px;
    }
    
    .features-section .feature-item {
        padding: 25px;
    }
}

@media (max-width: 768px) {
    .features-section {
        padding: 60px 0;
    }
    
    .features-section .section-title {
        font-size: 28px;
    }
    
    .features-section .features-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 20px;
    }
    
    .features-section .feature-icon {
        width: 60px;
        height: 60px;
    }
    
    .features-section .feature-icon i {
        font-size: 24px;
    }
    
    .features-section .feature-title {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .features-section {
        padding: 40px 0;
    }
    
    .features-section .section-title {
        font-size: 24px;
    }
    
    .features-section .features-grid {
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }
    
    .features-section .feature-item {
        padding: 20px 15px;
    }
    
    .features-section .feature-description {
        font-size: 13px;
    }
}

/* 添加Font Awesome图标支持的备用样式（如果图标不显示） */
.features-section .feature-icon.fallback-icon {
    background-color: #4a90e2;
}

.features-section .feature-icon.fallback-icon i {
    color: #fff;
}