#tjia-chat-wrapper {
    position: fixed !important;
    bottom: 20px !important;
    right: 20px !important;
    z-index: 2147483647 !important; /* 最高層級 */
    display: block !important;
}

.tjia-chat-btn {
    width: 60px !important;
    height: 60px !important;
    background-color: #ffffff !important;
    border-radius: 18px !important;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2) !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border: 1px solid #eee !important;
}

#tjia-chat-dot {
    position: absolute !important;
    top: -2px !important;
    right: -2px !important;
    width: 15px !important;
    height: 15px !important;
    border-radius: 50% !important;
    border: 2px solid white !important;
    background-color: #9ca3af;
}

#tjia-chat-iframe-container {
    width: 360px !important;
    height: 500px !important;
    margin-bottom: 15px !important;
    background: white !important;
    border-radius: 20px !important;
    box-shadow: 0 15px 40px rgba(0,0,0,0.15) !important;
    overflow: hidden !important;
    border: 1px solid #f0f0f0 !important;
}