.smartbanner {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 78px;
    background: #fff;
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.2);
    z-index: 9998;
    display: flex;
    align-items: center;
    padding: 0 10px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

.smartbanner-close {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    cursor: pointer;
    background: none;
    border: none;
    font-size: 20px;
    color: #999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.smartbanner-icon {
    width: 50px;
    height: 50px;
    margin-right: 10px;
    margin-left: 20px;
    border-radius: 10px;
}

.smartbanner-info {
    flex: 1;
}

.smartbanner-title {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin: 0;
}

.smartbanner-author {
    font-size: 12px;
    color: #666;
    margin: 2px 0;
}

.smartbanner-rating {
    font-size: 12px;
    color: #666;
    margin: 2px 0;
}

.smartbanner-rating .stars {
    color: #E8511A;
}

.smartbanner-button {
    background: #E8511A;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    margin-left: 10px;
    margin-right: 30px;
}

.smartbanner-button:hover {
    background: #d14816;
}

@media (max-width: 320px) {
    .smartbanner {
        height: 70px;
    }

    .smartbanner-icon {
        width: 40px;
        height: 40px;
    }

    .smartbanner-title {
        font-size: 12px;
    }

    .smartbanner-author,
    .smartbanner-rating {
        font-size: 10px;
    }

    .smartbanner-button {
        padding: 6px 12px;
        font-size: 12px;
    }
}