* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.videobackground{
    width: 100%;
	height: 100%;
	overflow: hidden;
	 display: flex;
	justify-content: center;
	align-items: center;
    vertical-align:bottom;
    z-index: -999;
}

.v1{
    position: absolute; 
	top: 0;
	left: 0;
	object-fit: cover;
	width: 100%;
	height: 100%;
	pointer-events: none;
    position: fixed;

}
.user_nav {
    width: 100vw;
    height: 100px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    top: 0;
    box-sizing: border-box;
    justify-content: center;
    position: fixed;
    z-index: 999;
    box-shadow: 0 0 0 1px #eaecee00;
    border-radius: 0 0 4px 4px;
    background-image: linear-gradient(180deg, #222 0, transparent 100%);
}

.user_nav > .userid{
    padding: 5px;
    width: 100px;
    height: 100px;
    flex: -1;
    font-size: 0.98rem;
    color:  #fff;
    font-weight: bold;
    background-color: #66ccff;
    border-radius: 10%;
    align-items: flex-start;
    
}

.user_nav .userid::before {
    content: "";
    display: block;
    width: 70px;
    height: 70px;
    background: url(../source/20230305_093615.jpg) no-repeat;
    background-size: 80px 80px ;
    border-radius: 50%;
    margin: 2px auto;
}
.user_nav > .userid:active{
    border-radius: 10%;
    background-color: rgb(67,133,196);
    box-shadow: 0 0 12px 12px  rgb(67,133,196);
}
.user_nav > .userid:hover{
    transform: translateY(-8px);
    box-shadow: 0 0 12px 16px rgb(67,133,196);
}

.user_nav > .un_left {
    margin: 15px;
    height: 70px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #66ccff;
    border-radius: 25px;
    font-family: Hiragino Sans GB, Microsoft YaHei, Arial, sans-serif;
}

.user_nav > .un_left li{
    flex: 1;
}
.user_nav > .un_left a{
    padding: 24px;
    color: #fff;
    font-weight: bold;
    display: flex;
    user-select: none;
    font-size: 1rem;
    align-items: center;
}

.user_nav > .un_left li :hover {
    border-radius: 25px;
    background-color: rgb(119,237,248);
    box-shadow: 0 0 12px 12px rgb(119,237,248);
}

.user_nav > .un_left a:active{
    border-radius: 25px;
    background-color: rgb(67,133,196);
    box-shadow: 0 0 12px 12px  rgb(67,133,196);
}

nav{
    overflow: hidden;
    padding-top: 150px;
    margin: 0 320px 32px;
    position: relative;
    z-index: 2;
    border-radius: 10px;
}

.navcommon{
    height: 780px;
    margin: 100px 0;
    border-radius: 10px;
    outline-color:rgb(35,67,142);
    outline-style:auto;
    outline-width: 1px;
    box-shadow: 6px 6px 12px 12px  rgb(67,133,196);
    background-color: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(1px);

}

.navtop {
    display: flex;
    gap: 16px;
    height: 150px;
    align-items: baseline;
}

.topid{
    border: 0;
    display: flex;
    flex-direction: column;
    width: 150px;
    height: 150px;
}

.topavatar{
    border: 0;
    margin-top: 10px;
    margin-left: 10px;
    border-radius: 50%;
    background: url(../source/illust_103207318_20221202_163124_1680139484.jpg) no-repeat;
    background-size: cover;
    width: 100px;
    height: 100px;
}

.topavatar:hover{
    box-shadow: 0 0 12px 12px  rgb(67,133,196);

}

 .topusername{
    font-size: 1.5rem;
    color: rgb(57,81,168);
    font-weight: bold;
}

 .toptext{
    color: rgb(57,81,168);
    font-size: 3rem;
    font-weight: bold;
    align-self:center ;
    
}

.navcenter{
    display: flex;
    height: 550px;
    flex-direction: column;
}

.navcenterimg {
    display: flex;
    flex-direction: column;
    height: 550px;
    background: url(../source/illust_102638087_20221116_163857_1680139507.jpg) no-repeat ;
    background-size: 100% 100%;
}

.centertextsp{
    display: flex;
    flex-direction: column;
    height: 550px;
}

.centertextsp:hover{
    opacity: 0.81;
    border: 0;
    background-color: rgb(17,18,59);
    backdrop-filter: blur(42px);

}

.centertextp{
    opacity: 0;
    height: 550px;
}

.centertextp:hover{
    opacity: 1;
    font-size: 1.5rem;
    font-weight: bolder;
    color: rgb(140,244,254)
}

.centertextspp{
    display: flex;
    flex-direction: column;
    height: 550px;
    opacity: 0.81;
    background-color: rgb(17,18,59);
    backdrop-filter: blur(42px);
    font-size: 25px;
    font-weight: bolder;
    color: rgb(140,244,254)
}

.navend {
    display: flex;
    height:80px;
    flex-direction: row-reverse;
    justify-content: space-between;
    align-items: center;
}

.endtext{
    display: flex;
    gap: 16px;
    align-items: center;
}
.endbotton{
    user-select: none;
    margin-right: 20px;
    color: rgb(57,81,168);
    font-size: 1rem;
    font-weight: bold;
    padding: 12px;
}

.endbotton:hover{
    background-color: #66ccff;
    box-shadow:  10px 11px 0 rgba(95, 95, 94, 0.232);
}

.endbotton:active{
    background-color: #66bfff;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
}

div {
    box-sizing: border-box;
}