*{
    margin: 0;
    padding: 0;
    font-size: 100%;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
  }



body{
    background-image: url('image/1.jpg');
    background-size: cover;
    background-position: center center; 
    background-repeat: no-repeat;
    background-attachment: fixed; 
    margin: 0;
    height: 100vh; 
}


#wrapper{
    width: 100%;
    height: auto;
    margin: auto;

}

header{
    width: 100%;
    height: 23px;
    background-color: deeppink;
    position: fixed;
}

header h1{
    color: rgb(255, 255, 255);
    font-size: 15px;
    text-align: center;

}

h1{
    font-size: 50px;
    color: white;
    text-align: center; 
}

p{
    font-size: 20px;
    color: white;
    text-align: center; 
}


nav{
    background-color: rgb(0, 0, 0);
    width: 100%;
    height: 50px;
    text-align: center; 
}

nav ul{
    width: 100%;
    height: auto;
}

nav ul li{
    width: 350px;
    height: 20px;
    text-align: center;
    line-height: 50px;
    display: inline-block;
    font-size: 25px;
}

nav ul li a{
    text-decoration: none;
    color: deeppink;
    font-weight: bold;
}

nav ul li a:hover {
    color: #ffffff; 
}

section{
    min-height: 100vh;
    padding-top: 80px;
    padding-bottom: 20px;
    border-bottom: 4px;
}









img{
    width: 350px;
    height: auto;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); 
    grid-gap: 60px; 
    margin:60px;
    text-align: center;
}




.hover-RRRTask1 {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-RRRTask1:hover {
    transform: scale(1.1);
}






.hover-RRRTask2 {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-RRRTask2:hover {
    transform: scale(1.1);
}




.hover-RRRTask3 {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-RRRTask3:hover {
    transform: scale(1.1);
}




.hover-RRRTask4 {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-RRRTask4:hover {
    transform: scale(1.1);
}




.hover-RRRTask5 {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-RRRTask5:hover {
    transform: scale(1.1);
}







.hover-RRRTask6 {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-RRRTask6:hover {
    transform: scale(1.1);
}






.hover-RRRTask7 {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-RRRTask7:hover {
    transform: scale(1.1);
}









.hover-Materiality {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-Materiality:hover {
    transform: scale(1.1);
}



.hover-Cycling {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-Cycling:hover {
    transform: scale(1.1);
}


.hover-Assignment1 {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-Assignment1:hover {
    transform: scale(1.1);
}




.hover-Assignment2 {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-Assignment2:hover {
    transform: scale(1.1);
}





.hover-Bag {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-Bag:hover {
    transform: scale(1.1);
}



.hover-PeopleWatching {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-PeopleWatching:hover {
    transform: scale(1.1);
}



.hover-FoxFocus {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-FoxFocus:hover {
    transform: scale(1.1);
}




.hover-PillowNest {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-PillowNest:hover {
    transform: scale(1.1);
}






.hover-TIFUNI {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-TIFUNI:hover {
    transform: scale(1.1);
}



.hover-Involution {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-Involution:hover {
    transform: scale(1.1);
}



.hover-Sanctuary {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-Sanctuary:hover {
    transform: scale(1.1);
}



.hover-WorkingFor {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-WorkingFor:hover {
    transform: scale(1.1);
}





.hover-Stick {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-Stick {
    transform: scale(1.1);
}






.hover-Coffee {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-Coffee {
    transform: scale(1.1);
}




.hover-Museum {
    transition: filter 0.3s ease;
    width: 350px; 
    height: auto; 
}

.hover-Museum {
    transform: scale(1.1);
}


















#background-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover; 
    z-index: -1; 
}


.content {
    position: absolute;
    top: 50%;
    left: 50%;
    flex-direction: column;
    text-align: center;
    transform: translate(-50%, -50%);
}


.logo {
    width: 170px; 
    margin-bottom: 5px;
}


.start-btn {
    width:100%;
    text-align: center;
    display: inline-block;
    padding: 10px 20px;
    font-size: 18px;
    background-color: #000000;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: color 0.3s ease, border-color 0.3s ease;
    background-color: transparent;
}

.start-btn:hover {
    color: deeppink;
}






#RRRTask1-Brief img{
    text-align: center;
    margin-top:50px; 
    width: 800px;
    height: auto;
    
}

.Download-RRR-Task1-PDF{
    text-align: center; 
    margin-top: 30px; 
    margin-bottom: 30px;
}

.Download-RRR-Task1-PDF :hover{
    color: #ffffff;
}

a {
    color: deeppink;
    text-decoration: none;
    font-weight: bold;
}

.back-button {
    position: absolute;
    top: 20px;
    left: 0px;
    text-decoration: none;
    font-size: 18px;
    color: #ffffff;
    padding: 5px 10px;
    background-color: transparent;
}

.back-button:hover {
    color: deeppink;
}





#RRRTask2-Brief img{
    text-align: center;
    margin-top: 50px; 
    width: 800px;
    height: auto;
    
}

.Download-RRR-Task2-PDF{
    
    text-align: center; 
    margin-top: 30px; 
    margin-bottom: 30px;
}

.Download-RRR-Task2-PDF :hover{
    color: #ffffff;
}






#RRRTask3-Brief img{
    text-align: center;
    margin-top: 50px; 
    width: 1000px;
    height: auto;
    
}

.Download-RRR-Task3-PDF{
    
    text-align: center; 
    margin-top: 30px; 
    margin-bottom: 30px;
}

.Download-RRR-Task3-PDF :hover{
    color: #ffffff;
}





#RRRTask4-Brief img{
    text-align: center;
    margin-top: 50px; 
    width: 800px;
    height: auto;
    
}

.Download-RRR-Task4-PDF{
    
    text-align: center; 
    margin-top: 30px; 
    margin-bottom: 30px;
}

.Download-RRR-Task4-PDF :hover{
    color: #ffffff;
}







#RRRTask5-Brief img{
    text-align: center;
    margin-top: 50px; 
    width: 800px;
    height: auto;
    
}

.Download-RRR-Task5-PDF{
    
    text-align: center; 
    margin-top: 30px; 
    margin-bottom: 30px;
}

.Download-RRR-Task5-PDF :hover{
    color: #ffffff;
}







#RRRTask6-Brief img{
    text-align: center;
    margin-top: 50px; 
    width: 800px;
    height: auto;
    
}

.Download-RRR-Task6-PDF{
    
    text-align: center; 
    margin-top: 30px; 
    margin-bottom: 30px;
}

.Download-RRR-Task6-PDF :hover{
    color: #ffffff;
}






#RRRTask7-Brief img{
    text-align: center;
    margin-top: 50px; 
    width: 800px;
    height: auto;
    
}

.Download-RRR-Task7-PDF{
    
    text-align: center; 
    margin-top: 30px; 
    margin-bottom: 30px;
}

.Download-RRR-Task7-PDF :hover{
    color: #ffffff;
}








#Materiality-Brief img{
    text-align: center;
    margin-top: 50px; 
    width: 800px;
    height: auto;
    
}

.Download-Materiality-PDF{
    text-align: center; 
    margin-top: 30px; 
    margin-bottom: 30px;
}

.Download-Materiality-PDF :hover{
    color: #ffffff;
}





#Cycling-Brief img{
    text-align: center;
    margin-top: 50px; 
    width: 800px;
    height: auto;
    
}

.Download-Cycling-PDF{
    
    text-align: center; 
    margin-top: 30px; 
    margin-bottom: 30px;
}

.Download-Cycling-PDF :hover{
    color: #ffffff;
}




#Assignment1-Brief img{
    text-align: center;
    margin-top: 50px; 
    width: 800px;
    height: auto;
    
}

.Download-Assignment1-PDF{
    
    text-align: center; 
    margin-top: 30px; 
    margin-bottom: 30px;
}

.Download-Assignment1-PDF :hover{
    color: #ffffff;
}





#Assignment2-Brief img{
    text-align: center;
    margin-top: 50px; 
    width: 800px;
    height: auto;
    
}

.Download-Assignment2-PDF{
    
    text-align: center; 
    margin-top: 30px; 
    margin-bottom: 30px;
}

.Download-Assignment2-PDF :hover{
    color: #ffffff;
}








#PeopleWatching-Brief img{
    text-align: center;
    margin-top: 50px; 
    width: 800px;
    height: auto;
    
}

.Download-PeopleWatching-PDF{
    
    text-align: center; 
    margin-top: 30px; 
    margin-bottom: 30px;
}

.Download-PeopleWatching-PDF :hover{
    color: #ffffff;
}





#PillowNest-Brief img{
    text-align: center;
    margin-top: 50px; 
    width: 800px;
    height: auto;
    
}

.Download-PillowNest-PDF{
    
    text-align: center; 
    margin-top: 30px; 
    margin-bottom: 30px;
}

.Download-PillowNest-PDF :hover{
    color: #ffffff;
}
.youtube-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
}

.youtube-links a {
    margin: 2px 0;
    text-decoration: none;
    color: deeppink;
    font-size: 20px;
}

.youtube-links a:hover {
    color: #ffffff;
    text-decoration: underline
    ;
}







#Bag-Brief img{
    text-align: center;
    margin-top: 50px; 
    width: 800px;
    height: auto;
    
}

.Download-Bag-PDF{
    
    text-align: center; 
    margin-top: 30px; 
    margin-bottom: 30px;
}

.Download-Bag-PDF :hover{
    color: #ffffff;
}





#FoxFocus-Brief img{
    text-align: center;
    margin-top: 50px; 
    width: 800px;
    height: auto;
    
}

.Download-FoxFocus-PDF{
    
    text-align: center; 
    margin-top: 30px; 
    margin-bottom: 30px;
}

.Download-FoxFocus-PDF :hover{
    color: #ffffff;
}



#TIFUNI-Brief img{
    text-align: center;
    margin-top: 50px; 
    width: 1200px;
    height: auto;
    
}

.Download-TIFUNI-PDF{
    
    text-align: center; 
    margin-top: 30px; 
    margin-bottom: 30px;
}

.Download-TIFUNI-PDF :hover{
    color: #ffffff;
}




#Involution-Brief img{
    text-align: center;
    margin-top: 50px; 
    width: 1200px;
    height: auto;
    
}

.Download-Involution-PDF{
    
    text-align: center; 
    margin-top: 30px; 
    margin-bottom: 30px;
}

.Download-Involution-PDF :hover{
    color: #ffffff;
}




#Sanctuary-Brief img{
    text-align: center;
    margin-top: 50px; 
    width: 1200px;
    height: auto;
    
}

.Download-Sanctuary-PDF{
    
    text-align: center; 
    margin-top: 30px; 
    margin-bottom: 30px;
}

.Download-Sanctuary-PDF :hover{
    color: #ffffff;
}



#WorkingFor-Brief img{
    text-align: center;
    margin-top: 50px; 
    width: 1200px;
    height: auto;
    
}

.Download-WorkingFor-PDF{
    
    text-align: center; 
    margin-top: 30px; 
    margin-bottom: 30px;
}

.Download-WorkingFor-PDF :hover{
    color: #ffffff;
}














#logoaaa {
    position: fixed;
    bottom: 8px; 
    right: 57px; 
    width: 2px; 
    height: auto; 
    z-index: 1000; 
}

#logoaaa img {
    width: 40px; 
    height: auto;
}




.image-grid-item span {
    color:#ffffff;
}















.PeopleWatching-Description {
    margin: 40px auto;
    max-width: 800px;
    font-size: 16px;
    line-height: 1.6;
    text-align: justify;
    color: #333333;
}

.PeopleWatching-Description p {
    margin-bottom: 20px;
}






.FoxFocus-Description {
    margin: 40px auto;
    max-width: 800px;
    font-size: 16px;
    line-height: 1.6;
    text-align: justify;
    color: #333333;
}

.FoxFocus-Description p {
    margin-bottom: 20px;
}







.PillowNest-Description {
    margin: 40px auto;
    max-width: 800px;
    font-size: 16px;
    line-height: 1.6;
    text-align: justify;
    color: #333333;
}

.PillowNest-Description p {
    margin-bottom: 20px;
}

















.menu-container {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10;
}

.menu-icon {
    width: 65px;
    height: 65px;
    cursor: pointer;
}

/* 下拉菜单样式 */
.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    margin-top: 10px;
    background-color: black;
    min-width: 160px;
    box-shadow: 0px 8px 16px rgba(0,0,0,0.2);
    z-index: 99;
    border-radius: 8px;
}

.dropdown-content a {
    color: deeppink;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    border-radius: 8px;
}

.dropdown-content a:hover {
    color: rgb(255, 255, 255);
}

/* 点击时显示菜单 */
.show {
    display: block;
}