body {

    background: radial-gradient(circle, #ffd500, #ffb900, #00a325, #0090ff);
    background-size: 200% 200%;
    background-image: radial-gradient(circle, #ffd500, #ffb900, #00ffcc, #0090ff), radial-gradient(circle, #ff00ff, #0000ff, #00a325, #ff0000);
    background-size: 200% 200%;
    animation: gradient 15s ease-in-out infinite;
    display: flex;
    justify-content: center;
    align-items: center;
    /*min-height: 100vh;*/

    font-family: 'Baloo Tamma 2', cursive;
}

.container {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
    height: 100%;
}

.bar {

    margin-bottom: -7%;
    margin-right: 0.5%;

    margin-left: 0.5%;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;


}
.info {

    opacity: 0;
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border-radius: 20px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.25);
}
iframe{
    width: 90%;
    height: 100%;
    margin-top: 25%;
    margin-bottom: 25%;
    border-radius: 20px;


}
.video-box{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 80%;
    height: 80%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border-radius: 20px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.25);
}
.content {
    margin-top: 2.5%;
    margin-bottom: 2.5%;
    height: 100%;
    flex: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border-radius: 20px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.25);
}


@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}




.header-title {

    padding: 20px 0;
    background: -webkit-linear-gradient(left top, #00e1ff, #005eff, #00a325, #00ff1c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0px 0px 5px rgba(0,0,0,0.5);
    font-size: 7mm;
    border-radius: 10px;
    transition: opacity 0.5s;
    opacity: 0.9;
    z-index: 200;
}

.header-title:hover {
    opacity: 1;
}



.header-title h1 {
    margin: 0;
}

.glass-navbar {
    margin-bottom: 0;
    width: 80%;
    padding: 20px 0;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);
    border-radius: 20px; /* 添加这行来给导航栏添加圆角 */
    box-shadow: 0 5px 25px rgba(0,0,0,0.25);


}
.empty{
    height: 50px;
}
.glass-navbar ul {
    list-style-type: none;
    text-align: center;
}

.glass-navbar li {
    display: inline;
    margin: 0 0;
    padding: 10px;

}

.glass-navbar a {
    color: rgba(0, 0, 0, 1);
    text-decoration: none;
    font-size: 1.2em;
    opacity: 0.25;
    transition: 0.25s;

}

.glass-navbar ul li.active a {
    color: rgb(0, 0, 0);
    opacity: 1;
}
.logo {

    width: 350px;
    margin-bottom: -20%;
    margin-top: -20%;
    position: relative;
    left: -18%;
}

.logo img {
    width: 100%;
}

.hidden {
    display: none;
}
#marker{
    position: absolute;
    top: 0;
    transition: 0.5s;
    z-index: 999;
}

#marker::before{

    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 10px;
    border-radius: 8px;



}



ul li:nth-child(1).active ~ #marker::before{
    background: #4ed5c3;
    box-shadow: 0 0 15px #4ed5c3,
    0 0 30px #4ed5c3,
    0 0 45px #4ed5c3,
    0 0 60px #4ed5c3
}
ul li:nth-child(2).active ~ #marker::before{
    background: #ff7900;
    box-shadow: 0 0 15px #ff7900,
    0 0 30px #ff7900,
    0 0 45px #ff7900,
    0 0 60px #ff7900
}
ul li:nth-child(3).active ~ #marker::before{
    background: #49d720;
    box-shadow: 0 0 15px #49d720,
    0 0 30px #49d720,
    0 0 45px #49d720,
    0 0 60px #49d720
}








.card
{
    margin-bottom: 35%;
    position: relative;
    width: 350px;
    height: 300px;
    background-color: #fff;
    border-radius: 20px;
    box-shadow: 0 35px 80px rgba(0, 0, 0, .15);
    transition: 0.5s;
    display: flex;
    justify-content: center;
    align-items: flex-start;

    backdrop-filter: blur(5px);

}

.card:hover{
    height: 450px;
}

.card .imgBox
{
    position: absolute;
    top: 20px;
    width: 300px;
    height: 220px;
    border-radius: 12px;
    transition: 0.5s;
    overflow: hidden;
}

.card:hover .imgBox
{
    top: -100px;
    scale: 0.9;
    box-shadow: 0 15px 45px rgba(0, 0, 0, .2);
}

.card .imgBox img
{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card .ct
{
    position: absolute;
    top: 77%;
    width: 100%;
    padding: 0 30px;
    height: 60px;
    overflow: hidden;

    text-align: center;
    align-items: center;
    transition: 0.5s;
}

.card:hover .ct
{

    overflow-y: auto;
    top:130px;
    height: 300px;
}
.card:hover .ct::-webkit-scrollbar {
    display: none;  /* 对于 Chrome 和 Safari */
}

.card .ct h2
{
    top: 0;
    font-size: 1.5em;
    font-weight: 700;
    color: var(--clr);
}
.card .ct p
{
    top: -30%;
    font-weight: 700;
    padding: 0 50px;
    color: #333;
    size: 2mm;
    text-align: center;

}
.button
{
    color: white;
    position: relative;
    font-size: 20px;
    display: inline-block;
    padding: 12px 25px;

    text-decoration: none;
    font-weight: 1000;
    border-radius: 8px;
    margin: 20% 0;

    background: #4ed5c3;
}

.box
{

    position: relative;
    min-width: 350px;




}

.box .list
{
    position: relative;
    display: flex;
    padding: 10px;
    border-radius: 10px;
    margin: 10px 0;
    cursor: pointer;
    transition: 0.5s;
    overflow: hidden;

    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);

    box-shadow: 0 5px 25px rgba(0,0,0,0.25);

}

.box:hover .list
{
    background-color: #fff;

    backdrop-filter: blur(0px);

    box-shadow: 0 0 0 rgba(0,0,0,0.25);
    filter: blur(5px);
    opacity: 0.25;
}

.box .list:hover
{
    backdrop-filter: blur(0px);
    box-shadow: -10px 20px 35px rgba(0, 0, 0, 0.15);
    transform: scale(1.15);
    filter: blur(0);
    opacity: 1;
}
.box .list .imgBx
{
    position: relative;
    width: 60px;
    height: 60px;
    border-radius: 10px;
    overflow: hidden;
    margin-right: 10px;
}
.box .list a
{
    display: flex;
    align-items: center;
    text-align: center;
    justify-content: center;
    position: relative;
    width: 60px;
    height: 60px;
    background: #00e1ff;
    border-radius: 10px;
    overflow: hidden;
    margin-right: 10px;
    top: 2%;
    color: rgba(255,255,255,0.5);
    transition: 0.5s;
    font-size: 2em;
}
.box .list a:hover
{
    transform: scale(1.1);
    display: flex;
    align-items: center;
    text-align: center;
    justify-content: center;
    position: relative;
    width: 60px;
    height: 60px;
    background: #00e1ff;
    border-radius: 10px;
    overflow: hidden;
    margin-right: 10px;
    top: 2%;
    color: rgba(255,255,255,1);
    transition: 0.5s;
    font-size: 2em;
    box-shadow: 0 0 15px #4ed5c3,
    0 0 15px #4ed5c3,
    0 0 15px #4ed5c3,
    0 0 15px #4ed5c3

}
.box .list .team-member
{
    display: flex;

    flex-direction: column;
}

.box .list .imgBx img
{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.box .list .content
{
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #333;
}

.box .list .content .rank
{
    position: absolute;
    right: -50px;
    color: #03a9f4;
    transition: 0.5s;
    font-size: 2em;
}

.box .list .content .rank small
{
    font-weight: 500;
    opacity: 0.25;
}

.box .list:hover .content .rank
{
    right: 20px;
}

.box .list .content h4
{
    line-height: 1.2em;
    font-weight: 600;
}

.box .list .content p
{
    font-size: 0.75em;
}
.fadeIn {
    animation: fadeIn ease 1.5s;
}
@keyframes fadeIn {
    0% {opacity: 0;}
    100% {opacity: 1;}
}


.nav {
    width: 30%;
    height: 80px;
    /*    width: 280px;*/



    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border-radius: 20px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.25);

    overflow: hidden;
    transition: 0.5s;
    margin-top: 20%;
}

.nav:hover {
    width: 60%;
    height: 400px;
}








.menu {
    width: 230px;
    margin-left: 25px;
}

.item {
    display: flex;
    position: relative;
    transition: 0.5s;
    border-radius: 6px;
}

.item:hover {
    background: rgba(255, 255, 255, 0.1);
}



.con {
    width: 0px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: 0.5s;
    overflow: hidden;
    position: relative;
    left: -20px;
    opacity: 0;
    text-align: center;
}

.nav:hover .con {
    width: 160px;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
}




.light {
    width: 6px;
    height: 50px;
    background: #58ff00;
    position: absolute;
    left: -25px;
    transition: 0.5s;
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
    opacity: 0;
}
.comment-board{
    width: 450px;
    height: 500px;
    align-items: center;
    justify-content: center;
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border-radius: 20px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.25);
}
.item:hover .light {
    opacity: 1;
}

#input{
    margin-top: 5%;
    width: 80%;
    height: 50%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    border-radius: 20px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.25);
    resize: none;
    font-family: 'Baloo Tamma 2', cursive;
    font-size: 20px;
}
.btn
{

    display: flex;
    align-items: center;
    text-align: center;
    justify-content: center;
    position: absolute;
    width: 60px;
    height: 60px;
    background: #00e1ff;
    border-radius: 10px;
    overflow: hidden;
    margin-right: 10px;
    top: 2%;
    color: rgba(255,255,255,1);
    transition: 0.5s;
    font-size: 2em;
    box-shadow: 0 0 15px #4ed5c3,
    0 0 15px #4ed5c3,
    0 0 15px #4ed5c3,
    0 0 15px #4ed5c3;
    transform: translate(300%, 300%);

}
#board{
    display: flex;
    flex-direction: column;
    height: 300px;
    width: 300px;
    list-style: none;
    text-underline: none;
    overflow-y: auto; /* 添加垂直滚动条 */
    overflow-x: hidden; /* 隐藏水平滚动条 */
    align-items: center;
    justify-content: center;
}
#board::-webkit-scrollbar {
    display: none;
}
#board li{
    margin-top: 2%;
    min-width: 100px;
    font-size: 20px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    border-radius: 5px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.25);
}
#board li a{




}