/* 工作流程 */
.workflow-title {
    font-size: 2rem;
    font-weight: 800;
    color: #218ffe;
    margin-bottom: 2rem;
}

.workflow-timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline-line {
    position: absolute;
    left: 55px;
    top: 0;
    bottom: 0;
    z-index: 0;
    width: 2px;
    background: #218ffe;
}

.workflow-item {
    position: relative;
    margin: 2rem 0;
    padding-left: 2rem;
}

.workflow-item::before {
    content: "";
    position: absolute;
    left: 15px;
    top: 0.8rem;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #218ffe;
    box-shadow: 0 0 0 4px rgba(17, 24, 39, 0.15);
}

.year-mon {
    position: absolute;
    width: 60px;
    left: -68px;
    top: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
    color: #218ffe;
    font-weight: 600;
    line-height: 1.2;
}

.year {
    font-size: 1rem;
}

.year-suffix {
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.workflow-card {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    padding: 1.75rem;
    margin-left: 4rem;
}

.workflow-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.workflow-card h3 {
    font-weight: 700;
    color: #218ffe;
    font-size: 1.25rem;
    margin: 0;
}

.year-badge {
    display: none;
    padding: 0.25rem 0.75rem;
    background: rgba(33, 143, 254, 0.12);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    color: #218ffe;
    white-space: nowrap;
}

.workflow-card p {
    color: #4b5563;
    line-height: 1.8;
    margin-bottom: 0.75rem;
}

.workflow-card p:last-child {
    margin-bottom: 0;
}

.timeline-summary {
    margin-top: 3rem;
    margin-left: 4rem;
    background: #f3f8ff;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 20px rgba(33, 143, 254, 0.1);
}

.summary-title {
    font-weight: 700;
    color: #218ffe;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.timeline-summary p {
    color: #1f2937;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.timeline-summary p:last-child {
    margin-bottom: 0;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .workflow-card {
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {
    .workflow-timeline {
        padding-left: 1.25rem;
        margin-left: 0;
    }

    .timeline-line {
        display: none;
    }

    .workflow-item::before {
        display: none;
    }

    .workflow-item {
        padding-left: 0;
        margin: 1.75rem 0;
    }

    .workflow-card {
        margin-left: 0;
        padding: 1.25rem;
    }

    .year-mon {
        display: none;
    }

    .year-badge {
        display: inline-flex;
    }

    .workflow-card-header {
        flex-wrap: wrap;
        gap: 0.5rem;
        margin-bottom: 1rem;
    }

    .timeline-summary {
        margin-left: 0;
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .workflow-title {
        font-size: 1.5rem;
    }

    .workflow-card {
        margin-left: 0;
        padding: 1rem;
    }

    .timeline-summary {
        margin-left: 0;
        padding: 1.25rem;
    }
}