/* 刷新按钮样式 */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.refresh-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    z-index: 10;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.refresh-btn:hover {
    background: #fff;
    transform: scale(1.1);
}

.refresh-btn:active {
    transform: scale(0.95);
}