/* 版本更新记录弹窗样式 */
.version-popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.version-popup {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    background: white;
    border-radius: var(--f-radius-lg);
    box-shadow: var(--f-shadow-lg);
    z-index: 1001;
    overflow: hidden;
}

.version-popup-header {
    background: linear-gradient(135deg, var(--f-primary-color), var(--f-primary-hover));
    color: white;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.version-popup-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.version-popup-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
    transition: opacity 0.3s;
}

.version-popup-close:hover {
    opacity: 0.8;
}

.version-popup-content {
    padding: 1.5rem;
    overflow-y: auto;
    max-height: calc(80vh - 4rem);
}

.version-item {
    margin-bottom: 2rem;
}

.version-item:last-child {
    margin-bottom: 0;
}

.version-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--f-primary-color);
}

.version-number {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--f-primary-color);
    margin-right: 1rem;
}

.version-date {
    color: var(--f-color-2);
    font-size: 0.9rem;
}

.version-changes {
    list-style: none;
    padding-left: 1.5rem;
}

.version-changes li {
    position: relative;
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.version-changes li::before {
    content: "•";
    color: var(--f-primary-color);
    position: absolute;
    left: -1.5rem;
    font-weight: bold;
}