.taichung-115-right-banner {
    position: fixed;
    right: 20px;
    top: 50%;
    background: #fff;
    transform: translateY(-50%);
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    z-index: 1200;
    width: 120px;
    padding: 5px;
}

.taichung-115-right-banner img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 6px;
}

.taichung-115-close-btn {
    width: 80%;
    display: inline-block;
    background: #ff5c8a;
    color: #fff;
    border: none;
    padding: 5px 5px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 13px;
    margin-top: 5px;
}

.taichung-115-close-btn:hover {
    background: #ff3b6b;
}

/* 手機或窄螢幕隱藏，避免遮擋內容 */
@media (max-width: 768px) {
    .taichung-115-right-banner {
        /* display: none; */
        right: 0;
    }
}