.dash-spinner-dot .dot {
    width: 200px !important;
    height: 200px !important;
    margin: 0 200px !important;
}

.dash-spinner-default .dot {
    width: 200px !important;
    height: 200px !important;
    margin: 0 200px !important;
}

.dash-spinner-circle svg {
    background-color: red !important;
    width: 100px !important;
    height: 100px !important;
}

.dash-spinner-dot,
.dash-spinner-default {
    animation-duration: 8s !important; 
}

.update-button {
    background-color: #1976D2;
    color: white;
    border: none;
    height: 36px;
    font-size: 16px;
    font-weight: bold;
    padding: 0 16px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.update-button:hover {
    background-color: #1565C0; 
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    transform: translateY(-1px);
}

.update-button:active {
    transform: translateY(0);
    box-shadow: none;                   /* 可选：点击时去掉阴影 */
}

.download-button {
    background-color: #f5f5f5;      /* 浅灰色背景 */
    color: #333;                    /* 黑色文字 */
    border: 1px solid #9e9e9e;
    height: 36px;
    font-size: 16px;
    font-weight: bold;
    padding: 0 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 4px;             /* 可选：加一点圆角更现代 */
}

/* Hover 效果：上移 + 阴影 */
.download-button:hover {
    background-color: #eeeeee;      /* 稍深一点的灰，表示 hover */
    border-color: #757575;             /* ← hover 时边框变深一点，增强反馈 */
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
}

/* Active 状态：回正 */
.download-button:active {
    transform: translateY(0);
    box-shadow: none;                   /* 可选：点击时去掉阴影 */
}