/* Bulma 时间线组件样式扩展 */
.timeline {
    position: relative;
    padding: 2rem 0;
}

    .timeline::before {
        content: '';
        position: absolute;
        left: 50%;
        top: 0;
        bottom: 0;
        width: 3px;
        background: linear-gradient(to bottom, #00d1b2, #3273dc);
        transform: translateX(-50%);
    }

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    width: 100%;
}

.timeline-content {
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    padding: 1.5rem;
    border-left: 4px solid #00d1b2;
    transition: all 0.3s ease;
}

    .timeline-content:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    }

.timeline-date {
    font-weight: 600;
    color: #3273dc;
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
}

.timeline-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #363636;
}

.timeline-description {
    color: #4a4a4a;
    line-height: 1.6;
}

.timeline-icon {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: #3273dc;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    z-index: 2;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .timeline::before {
        left: 30px;
    }

    .timeline-icon {
        left: 30px;
    }

    .timeline-content {
        margin-left: 4rem;
    }
}