.release-downloads {
    margin-top: 10px;
    margin-right: 0px;
    margin-left: 0px;
    width: 310px;
    font-size: 14px;
    border-top: 1px solid #D6D5D5;
}

.release-downloads-noad {
    width: 100%;
}

.release-downloads li {
    display: block;
    padding-top: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid #D6D5D5;
}

.release-downloads li {
    margin: 0px;
}

.filesize {
    float: right;
    padding-left: 10px;
    color: #6d6d6d;
}

/* 版本系列 Tab 切换 */
.tabs {
    display: flex;
    gap: 6px;
    margin: 12px 0 20px;
    border-bottom: 2px solid #D6D5D5;
}

.tab-btn {
    padding: 8px 22px;
    font-size: 16px;
    font-weight: bold;
    color: #6d6d6d;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
}

.tab-btn:hover {
    color: #303030;
}

.tab-btn.active {
    color: #d5000d;
    border-bottom-color: #d5000d;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* 移动端：Tab 等宽铺满、加大点按区域 */
@media (max-width: 767px), (pointer: coarse) {
    .tabs {
        gap: 0;
    }
    .tab-btn {
        flex: 1;
        padding: 12px 4px;
        font-size: 15px;
        text-align: center;
        -webkit-tap-highlight-color: transparent;
    }
}