*{
    box-sizing: border-box;
}
img{
    width: 100%;
}

body{
    background-color: black;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    margin: 0;
}


header{
    margin: none;
    background-image: url('https://res.cloudinary.com/dq8y2hvht/image/upload/v1747035102/header_webp_vefmav.webp');
    background-position: center;
    padding-left: 20px;
    padding-right: 20px;
    padding-top: 10px;
    font: bold;
    font-size: 30px;
    color: white;
}

button{
    background-color:rgba(255, 255, 255, 0);
    color: white;
    border: none;
}

nav{
    padding: 30px;
}

content{
    margin: 0;
    border: none;
    display: flex;
}

.main-body{
    padding-left: 30px;
    padding-right: 30px;
    justify-self: start;
}


ul{
    padding: 0%;
    position: sticky;
    top: 10px;
}

li{
    list-style: none;
}

.nav-container {
    padding: 10px;
    border: none;
    width: 230px;
    text-align: right;
    font-size: 18px;
    line-height: 22px;
    color: white;
    background-color: rgba(0, 0, 0, 0);
}

.nav-container:hover{
    color: #682c20;
}

.nav-container a:hover{
    color: #682c20;
}

.nav{
    border: none;
    width: 230px;
    text-align: right;
    font-size: 13px;
    line-height: 22px;
    color: white;
    background-color: rgba(0, 0, 0, 0);
}

section{
    height: auto;
    display: flex;
    justify-content: space-between;
    padding-top: 30px;
    padding-bottom: 30px;
    flex-direction: column;
}

.content-teach{
    position: relative;
    margin-top: -100px;
    margin-left: 80px;
}

.title-teach{
    background-color:rgb(51, 51, 51);
    color: rgb(255, 255, 255);
    margin: 0px;
    flex-direction: column;
    display: flex;
    justify-content: flex-start;
    width:fit-content;
    padding: 10px;
    width: 355px;
    height: 200px;
}

.text-teach{
    padding: 20px;
    text-align: center;
}
.photo-teach{
    width: 380px;
    height: 250px;
}
#chinese-teach{
    font-size:  26px; 
    margin: 0px;
}

#english-teach{
    font-size:  21px; 
    margin: 0px;
}

.box1{
    background-color:#D9D9D9 ;
    display: flex;
    justify-content: center;
    padding: 20px;
    gap: 10px;
    align-items: center;
}


.chinese-teach{
    font-size: 15px;
    text-align: justify;
}

.box2{
    background-color:rgba(255, 255, 255, 0.8)  ;
    padding: 20px;
    align-items: center;
}
.english-teach{
    margin: 0px;
    padding: 20px;
    line-height: 28px;
}

.type-title{
    font-size:  26px; 
    color: white;
    text-align: center;
    line-height: 35px;
}

.type-content{
    margin-top: 50px;
    margin-bottom: 50px;
    background-color:#D9D9D9;
    padding: 20px;
}

.type{
    display: flex;
    justify-content: space-between;
    gap: 15px;
}

.type img{
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
}


.type h3{
    text-align: center;
    font-size: 15px;
    color:black;
    font-weight: 500;
}

.Reservation{
    color:aliceblue;
    display: flex;
    justify-content: center;
    gap: 30px;
}

.Reservation button{
    background-color:rgb(132, 132, 132);
    padding: 30px;
    padding-left: 50px;
    padding-right: 50px;
}

.Reservation button:hover{
    color: #682c20;
}

.main-record{
    font-size: 15px;
    display: flex;
    gap: 30px;
    padding-left: 80px;
    padding-right: 80px;
    padding-top: 40px;
    padding-bottom: 40px;
    background-color:#D9D9D9;
    margin-top: 50px;
    margin-bottom: 50px;
    justify-content: center;
    text-align: center;
}

.main-record img:hover{
    background-color:#682c20;
}

.main-equipment{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    background: #D9D9D9;
    margin-top: 50px;
    margin-bottom: 50px;
    justify-content: center;
    align-items: center;
}

.items{
    position: relative;
    width: 285px;
    height: 190px;
    margin: 20px;
    perspective: 600px;
}       
.picture{
    position: absolute;
    transform-origin: right;
    transform: rotateY(0deg);
    opacity: 1;
    transition: 0.5s;

}
.equipment-text{
    position:absolute ;
    z-index: 0;
    background-color: #D9D9D9;
    color: black;
    padding: 0 20px;
    box-sizing: border-box;
    letter-spacing: 2px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transform-origin: left;
    transform: rotateY(90deg);
    opacity: 0;
    transition: 0.5s;
}

.items:hover .picture{
    transform: rotateY(-90deg);
    opacity: 0;
}

.items:hover .equipment-text{
    transform: rotateY(0deg);
    opacity: 1;
}

.equipment-text h3{
    font-size: 24px;
    margin-bottom: 15px;
}

.equipment-text p{
    font-size: 15px;
}

footer{
    padding-left: 20px;
    padding-right: 20px;
    padding-top: 10px;
    padding-bottom: 10px;
    height: auto;
    display: flex;
    justify-content: start;
    background-color: rgba(255, 255, 255, 0.8);
    font-size: 12px;
    text-align: right;
    justify-content: space-between;
}

#footer{
    padding-right: 20px ;
    display: grid;
    place-items: center;
}

.three-js {
    position: fixed;
    top: 0;
    left: 0;
    outline: none;
}

/*Mobile*/
@media (max-width:768px){
    nav{
        display: none;
    }

img{
    width: 100%;
}
header{
    padding-left: 0px;
    padding-right: 0px;
    font-size: 20px;
    justify-content: center;
}

.header{
    width: 100%;
}

.main-body{
    padding-left: 7px;
    padding-right: 7px;
    justify-content: center;
}

section{
    padding-top: 10px;
    padding-bottom: 8px;

}

.content-teach{
    position: relative;
    margin-top: -100px;
    margin-left: -2px;
}

.text-teach{
    padding: 20px;
    text-align: center;
}
.photo-teach{
    width: 100%;
    height: 100%;
}

.box1{
    padding: 5px;
    justify-content: center;
    flex-direction: column;
}

.chinese-teach{
    margin: 0;
}

.box2{
    padding: 5px;
}
.english-teach{
    padding: 5px;
}

.type-content{
    margin-top: 5px;
    margin-bottom: 5px;
    padding: 5px;
}
.type{
    gap: 5px;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.Reservation{
    gap: 10px;
}

.Reservation button{
    background-color:rgb(132, 132, 132);
    padding: 10px;
    padding-left: 10px;
    padding-right: 10px;
}

.main-record{
    gap: 15px;
    padding:0px;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.footer img{
    display: none;
}
footer{
    font-size: 10px;
    padding: 7px;
}
.footer{
    justify-content: end;
}
}