/* 技术研发页 */
.tech-header {
    background: var(--dark-bg);
    color: white;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.tech-header::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(var(--bs-primary-rgb), 0.2));
}

.tech-section {
    padding: 80px 0;
}

.tech-card {
    border: none;
    border-radius: 20px;
    background: white;
    box-shadow: 0 10px 40px rgba(0,0,0,0.05);
    overflow: hidden;
    margin-bottom: 40px;
}

.tech-card-body {
    padding: 3rem;
}

.tech-img-box {
    background: #f0f4f8;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

/* AI对比列表 */
.ai-compare-list {
    list-style: none;
    padding: 0;
}

.ai-compare-list li {
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: flex-start;
}

.ai-compare-list li i {
    font-size: 1.25rem;
    margin-right: 15px;
    margin-top: 3px;
}

/* 氢能对比 */
.energy-compare {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 2rem;
}

.compare-bar {
    height: 10px;
    background: #ddd;
    border-radius: 5px;
    margin: 10px 0 20px;
    position: relative;
}

.compare-bar-inner {
    height: 100%;
    background: var(--bs-primary);
    border-radius: 5px;
}

/* 数据看板模拟 */
#dashboard-mock {
    width: 100%;
    height: 400px;
    background: white;
    border-radius: 12px;
}