/* 反馈按钮样式 */
.feedback-button {
    position: fixed;
    bottom: 80px; /* 修改为80px，避免遮挡底部导航栏 */
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: #4CAF50;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 9999;
    transition: transform 0.3s, background-color 0.3s;
}

.feedback-button:hover {
    transform: scale(1.1);
    background-color: #45a049;
}

/* 自定义图标 */
.feedback-icon {
    width: 24px;
    height: 24px;
    position: relative;
}

.feedback-icon::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 24px;
    height: 24px;
    background-color: white;
    border-radius: 50%;
    opacity: 0.9;
}

.feedback-icon::after {
    content: "💬";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 14px;
}

/* 悬浮提示 */
.feedback-button:hover::after {
    content: "反馈建议";
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 14px;
    white-space: nowrap;
}