.fcs-container {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 9999;
}

.fcs-toggle-button {
    background: #0073aa;
    color: white;
    padding: 15px;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    text-align: center;
}

.fcs-content {
    display: none;
    position: absolute;
    bottom: 100%;
    right: 0;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    min-width: 200px;
}

.fcs-content.active {
    display: block;
}

.fcs-item {
    margin: 10px 0;
}

.fcs-item a {
    color: #333;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.wechat-qr img {
    max-width: 150px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.wechat-qr p {
    text-align: center;
    margin: 5px 0 0;
    font-size: 0.9em;
    color: #666;
}