/* 星悦额外微调 */
#xy-panel .channel-label {
    color: #3186ff;
}

#xy-panel .channel-item {
    border-left: 4px solid #3186ff;
}

/* 星悦悬浮提示（仅 data-tooltip 非空时生效） */
#xy-panel .channel-item[data-tooltip]:not([data-tooltip=""]) {
    position: relative;
    cursor: help;
}

/* 小箭头 */
#xy-panel .channel-item[data-tooltip]:not([data-tooltip=""]):hover::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 8px;
    border-style: solid;
    border-color: rgba(49, 134, 255, 0.95) transparent transparent transparent;
    margin-bottom: -8px;
}

/* 提示框 */
#xy-panel .channel-item[data-tooltip]:not([data-tooltip=""]):hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(49, 134, 255, 0.95);
    color: white;
    padding: 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    line-height: 1.5;
    text-align: left;
    white-space: pre-line;
    min-width: 170px;
    max-width: 220px;
    z-index: 10;
    pointer-events: none;
    margin-bottom: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}