/* 切换按钮样式 */
.mode-switcher {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
    padding: 10px 0;
}
.switch-btn {
    padding: 12px 30px;
    border: none;
    border-radius: 25px;
    background: #e0e0e0;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: bold;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.switch-btn:hover {
    background: #d0d0d0;
}
.switch-btn.active {
    background: linear-gradient(135deg, #6e8efb, #a777e3);
    color: white;
    box-shadow: 0 4px 15px rgba(110, 142, 251, 0.4);
}
.switch-btn i {
    font-size: 18px;
}
.page-section {
    display: none;
}
.page-section.active {
    display: block;
}
.hardware-bind-notice {
    margin-bottom: 15px;
}