/* ================= 系统版本更新日志 ================= */

.changelog-section {
    padding: 70px 0;
    background: #fff;
}

.changelog-section h2 {
    font-size: 32px;
    font-weight: 600;
    color: #222;
    text-align: center;
    margin-bottom: 50px;
}

/* 列表 */
.changelog-list {
    max-width: 960px;
    margin: 0 auto;
}

/* 卡片 */
.changelog-card {
    background: #f9fafc;
    border-radius: 10px;
    padding: 26px 30px;
    margin-bottom: 20px;
    transition: all .25s ease;
    border: 1px solid transparent;
}

.changelog-card:hover {
    transform: translateY(-3px);
    border-color: var(--theme-color, #4a6cf7);
    box-shadow: 0 12px 30px rgba(74, 108, 247, .12);
}

/* 顶部：版本 + 日期 */
.changelog-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.version {
    font-size: 18px;
    font-weight: 600;
    color: var(--theme-color, #4a6cf7);
}

.date {
    font-size: 14px;
    color: #999;
}

/* 描述 */
.changelog-desc {
    font-size: 15px;
    color: #555;
    line-height: 1.9;
}