.center-circle {
    position: absolute;
    width: 100px;
    height: 100px;
    background-color: #007bff;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 18px;
    font-weight: bold;
    display: none; /* 隐藏中间的“中心” */
}
.orbit {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr)); /* 按钮平铺 */
    gap: 10px; /* 按钮之间的间距 */
    padding: 20px;
    border-radius: 15px; /* 圆角 */
    position: relative; /* 相对定位 */
    width: 100%; /* 占满父容器宽度 */
    max-width: 600px; /* 最大宽度 */
    margin: 0 auto; /* 居中对齐 */
}
.orbit div {
    background: linear-gradient(45deg, #6a11cb, #2575fc); /* 渐变背景 */
    border-radius: 10px; /* 圆角矩形 */
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2); /* 阴影 */
    transition: transform 0.3s ease, box-shadow 0.3s ease; /* 动画效果 */
    padding: 10px; /* 内边距 */
    color: white;
    font-size: 14px; /* 字体大小 */
    text-align: center;
    cursor: pointer;
}
.orbit div:hover {
    transform: scale(1.1); /* 悬停时放大 */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); /* 悬停时阴影加深 */
}
.orbit div:nth-child(1) { animation-delay: 0s, 2s; }
.orbit div:nth-child(2) { animation-delay: 1s, 3s; }
.orbit div:nth-child(3) { animation-delay: 2s, 4s; }
.orbit div:nth-child(4) { animation-delay: 3s, 5s; }
.orbit div:nth-child(5) { animation-delay: 4s, 6s; }
.orbit div:nth-child(6) { animation-delay: 5s, 7s; }
.orbit div:nth-child(7) { animation-delay: 6s, 8s; }
.orbit div:nth-child(8) { animation-delay: 7s, 9s; }
.orbit div:nth-child(9) { animation-delay: 8s, 10s; }
.orbit div:nth-child(10) {
    animation-delay: 9s, 11s;
    background-color: #007bff;
    color: white;
} /* 移除边框 */
@keyframes fadeIn {
    to { opacity: 1; }
}
@keyframes rotate {
    0% { transform: rotate(0deg) translateX(300px) rotate(0deg); }
    100% { transform: rotate(360deg) translateX(300px) rotate(-360deg); }
}
.cover-circle {
    position: absolute;
    width: 120px;
    height: 120px;
    background-color: white;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000; /* 确保覆盖在最上层 */
    transition: opacity 1s; /* 添加淡出效果 */
}
.qr-code {
    display: none;
    position: absolute;
    background-color: white;
    border-radius: 10px;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transform: scale(0); /* 初始状态缩小 */
    transition: transform 0.3s; /* 添加缩放过渡效果 */
}
.qr-code img {
    display: block; /* 确保图片是块级元素 */
    margin: 0 auto; /* 居中显示 */
    width: 100%; /* 占满父容器宽度 */
    height: auto; /* 保持宽高比 */
    max-width: 200px; /* 限制最大宽度 */
    max-height: 200px; /* 限制最大高度 */
}
.qr-code span {
    margin-top: 10px;
    font-size: 14px;
    color: #007bff;
}
.qr-code .close-qr {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 24px; /* 稍微大一点 */
    color: black; /* 变为黑色 */
    cursor: pointer;
    user-select: none; /* 禁止选择文本 */
}
.static-btn {
    position: absolute;
    width: 80px;
    height: 80px;
    background-color: #007bff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 14px;
    font-weight: bold;
    display: none;
}