/* 版本历史区域 */
.version-history-section {}

.version-timeline {
    position: relative;
    padding-left: 32px;
}

.version-timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #2563eb, #e2e8f0);
}

.version-item {
    position: relative;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid #f1f5f9;
}

.version-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.version-item::before {
    content: '';
    position: absolute;
    left: -28px;
    top: 4px;
    width: 12px;
    height: 12px;
    background: white;
    border: 3px solid #94a3b8;
    border-radius: 50%;
    z-index: 1;
}

.version-item.current::before {
    background: #2563eb;
    border-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.version-badge {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.version-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.version-number {
    font-size: 18px;
    font-weight: 700;
    color: #0f172a;
}

.version-date {
    font-size: 13px;
    color: #64748b;
}

.version-title {
    font-size: 15px;
    font-weight: 600;
    color: #334155;
    margin-bottom: 12px;
    line-height: 1.5;
}

.version-changes {
    list-style: none;
    padding: 0;
    margin: 0;
}

.version-changes li {
    font-size: 14px;
    color: #475569;
    padding: 6px 0;
    line-height: 1.6;
}

.version-item.current .version-title {
    color: #2563eb;
}

.version-item.current .version-changes li {
    color: #1e293b;
    font-weight: 500;
}