/* GBO额外微调 */
#gboChannelList {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
}

.rebate-system #gboChannelList .channel-item {
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #fbdf62;
    cursor: help;
}

/* 悬停时，显示一个黑色小箭头，箭头指向条目，放在条目正上方 */
.rebate-system #gboChannelList .channel-item:hover::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 8px;
    border-style: solid;
    border-color: rgba(0, 0, 0, 0.85) transparent transparent transparent;
    margin-bottom: -8px;
}

/* 悬停时，显示一个黑色半透明方框，上面有 tooltip 文本，支持多行 */
.rebate-system #gboChannelList .channel-item:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.85);
    color: white;
    padding: 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    line-height: 1.5;
    text-align: left;
    /* 支持换行 */
    white-space: pre-line;
    min-width: 170px;
    max-width: 200px;
    z-index: 10;
    pointer-events: none;
    margin-bottom: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}