/* Style for the menu buttons */
#menu {
    width: 100vw;
    position: absolute;
    top: 0; 
    display: flex;
    justify-content: space-between; 
    align-items: center;    
    z-index: 9999;
    font-family: 'ABC-Whyte-Mid';
    /* border:1px solid green; */
    padding: 0;
    margin: 0;
}



.menu-button {
    background-color: transparent;
    font-size: 25px;
    color: black;
    border: none;
    cursor: pointer;
    transition: all 0.5s ease-in;
    margin-right: 20px;  
    margin-left: 30px; 
    text-decoration: none;  /* Removes underline */
}

.menu-button:hover {
    text-decoration: underline;
}

.lang-container {
    display: flex;
    justify-content: center;
}

.lang-btn {
    margin: 0;
    padding: 0;
    flex: 1;
    text-align: center;
}

.img-button {
    margin-right: 20px;
    margin-left: auto;  /* 这将推送img-button到容器的右边 */
}
/* 指导窗口 */
.modal {
    display: none; /* 默认情况下隐藏模态窗口 */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7); /* 半透明背景 */
    z-index: 9999;
}

.modal-content {
    position: absolute;
    top: 15%;
    left: 15%;
    width: 70%;
    height: 70%;
    background-color: white;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    animation-duration: 0.4s; 

    
}

.show-modal {
    animation-name: zoomIn;
    animation-duration: 0.3s; 

}

.hide-modal {
    animation-name: zoomOut;
    animation-duration: 0.3s; 
}


.close-btn {
    position: absolute;
    padding: 0;
    left: auto;
    right: 20px;
    top: 20px;
    cursor: pointer;
    /* border:1px solid green; */
}

.close-btn img:hover {
    content: url('cross-hover.png');
}

/* 窗口动画 */
@keyframes zoomIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes zoomOut {
    from {
        transform: scale(1);
        opacity: 1;
    }
    to {
        transform: scale(0);
        opacity: 0;
    }
}

.fade-in {
    animation-name: fadeIn;
    animation-duration: 0.4s;
    animation-fill-mode: forwards;
    
}

.fade-out {
    animation-name: fadeOut;
    animation-duration: 0.4s;
    animation-fill-mode: forwards;
}


@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

/* video */
.end-pop {
    position: absolute;
    width: 100vw;
    height: 100vh;
  }

#playButton {
    margin-left: 10px;
    cursor: pointer;  
    border-radius: 10px;
    transition: border 0.3s ease;
}

#playButton:hover {
    border: solid 3px #000;  /* 悬停时边框变颜色 */
}