/* 更新日志页面样式 */

.update-timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 0;
}

.update-timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
    border-radius: 2px;
}

.update-card {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
    box-sizing: border-box;
}

.update-card::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background-color: white;
    border: 4px solid var(--primary-color);
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}

.left {
    left: 0;
}

.right {
    left: 50%;
}

.left::before {
    content: " ";
    height: 0;
    position: absolute;
    top: 22px;
    width: 0;
    z-index: 1;
    right: 30px;
    border: medium solid var(--glass-border);
    border-width: 10px 0 10px 10px;
    border-color: transparent transparent transparent var(--primary-color);
}

.right::before {
    content: " ";
    height: 0;
    position: absolute;
    top: 22px;
    width: 0;
    z-index: 1;
    left: 30px;
    border: medium solid var(--glass-border);
    border-width: 10px 10px 10px 0;
    border-color: transparent var(--primary-color) transparent transparent;
}

.right::after {
    left: -10px;
}

.update-content {
    padding: 20px 30px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    position: relative;
    border-radius: 12px;
}

.update-version {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.update-date {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1rem;
    display: block;
}

.update-details {
    list-style-type: none;
    padding-left: 0;
}

.update-details li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 20px;
}

.update-details li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .update-timeline::after {
        left: 31px;
    }

    .update-card {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }

    .update-card::before {
        left: 60px;
        border: medium solid white;
        border-width: 10px 10px 10px 0;
        border-color: transparent var(--primary-color) transparent transparent;
    }

    .left::after, .right::after {
        left: 21px;
    }

    .right {
        left: 0%;
    }
}