.content-container{
    background: var(--light-brown);
    padding-bottom: 32px;
}

.content-container .wrapper{
    background: var(--white);
    text-align: center;
    padding: 32px;
    padding-top: 48px;
    padding-bottom: 0;
    color: var(--dark-brown);
    max-width: 980px;
}

.content-container{
    background: var(--white);
}

.content-container .display-area{
    padding-top: 24px;
    padding-bottom: 24px;
    background: var(--light-brown);
}

.content-container .display-area .wrapper{
    background: none;
    padding: 0;
}

.content-container .display-area .img {
    background-size: cover;
    background-position: center center; /* Optional: centers the image */
    background-repeat: no-repeat;
    height: 280px;
    width: 100%;
    margin-bottom: 20px;
    position: relative;
    width: 100%;
    height: 280px;
    margin-bottom: 32px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.content-container .display-area .img {
    position: relative; /* สำคัญ: เพื่อให้ลูกศรอ้างอิงตำแหน่งจากกล่องนี้ */
}

.gallery-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.3); /* สีพื้นหลังโปร่งแสง */
    color: white;
    border: none;
    font-size: 24px;
    padding: 10px 15px;
    cursor: pointer;
    z-index: 10; /* สำคัญ: ต้องสูงกว่า img-layer เพื่อให้กดได้ */
    transition: background-color 0.3s ease;
    border-radius: 4px;
}

.gallery-arrow:hover {
    background-color: rgba(0, 0, 0, 0.7);
}

.gallery-arrow.prev {
    left: 10px;
}

.gallery-arrow.next {
    right: 10px;
}

.content-container .display-area .img-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 0.5s ease-in-out; /* << ปรับความเร็วได้ที่นี่ */
}

.content-container .display-area ul.nav{
    margin-bottom: 0;
    max-width: 680px;
    margin: 0 auto;
}

.content-container .display-area ul.nav li{
    display: inline-block;
    margin-left: 18px;
    margin-right: 18px;
    line-height: 36px;
}

.content-container .display-area ul.nav li a{
    text-transform: uppercase;
}

.content-container .display-area ul.nav li.active a{
    color: var(--blue);
    cursor: auto;
}

.content-container .thumbnail ul.nav{
    margin: 0 auto;
    margin-bottom: 24px;
    max-width: 620px;
}

.content-container .thumbnail ul.nav li{
    display: inline-block;
    line-height: 36px;
}

.content-container .thumbnail ul.nav li.pipe{
    margin-left: 14px;
    margin-right: 14px;
}

.content-container .thumbnail ul.nav li a{
    text-transform: uppercase;
}

.content-container .thumbnail ul.nav li.active a{
    color: var(--blue);
    cursor: auto;
}

.content-container .thumbnail ul.imgs{
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
}

.content-container .thumbnail ul.imgs li{
    width: calc((100% / 4) - 2px);
    padding: 0;
    border: 4px solid transparent; 
    opacity: 0.5; 
    transition: border-color 0.2s ease, opacity 0.2s ease;
    cursor: pointer;
}

.thumbnail ul.imgs li.active {
    opacity: 1 !important;
    border-color: #40b7e1 !important; /* เปลี่ยนเป็นสีที่ต้องการ เช่น สีฟ้า */
}

.content-container .thumbnail ul.imgs li img{
    display: block;
    width: 100%;
    height: auto;
}


@media screen and (min-width: 680px){
    .content-container .display-area .img{
        height: 340px;
    }
}

@media screen and (min-width: 800px){
    .content-container .display-area .img{
        height: 420px;
    }
}

@media screen and (min-width: 980px){
    .content-container .display-area .img{
        height: 480px;
    }
}

@media screen and (min-width: 1100px){
    
}

@media screen and (min-width: 1200px){
    
}