body {
    background-color: #fff;
    font-size: 16px;
    padding: 0;
    margin: 0;
}

/* 更新 */

a {
    color: #fff;
    margin: 0;
    padding: 0;
    text-decoration: none;
}

li {
    list-style-type: none;
}

.wrap {
    width: 100%;
}

.header {
    width: 100%;
    min-height: 6.5vh;
    line-height:6.5vh;
    border-bottom: 2px solid #E6E6E6;
    display: flex;
    justify-content: space-between;
}
.login{
    width: 10vw;
    color: #00A8FF;
    font-size: calc(100vw * 16 / 1920)
}

.main {
    width: 100%;
    height: 80vh;
    display: flex;
}

.main_left {
    width: 16%;
    height: 100%;
    border-right: 2px solid #E6E6E6;
    padding-top: 10px;
}

.header_title {
    width: 15vw;
    text-align: center;
    color: #00A8FF;
    font-size: calc(100vw * 16 / 1920);
    display: flex;
    align-items: center;
}
.header_title img {
    width: calc(100vw * 36 / 1920);
    height: calc(100vw * 36 / 1920);

    
}
.header_title a{
    display: block;
    width: calc(100vw * 36 / 1920);
    height: calc(100vw * 36 / 1920);
    margin-left: 40px;
}
.title_1{
    margin-left: 20px;
}

.main_left li {
    min-height: 4vh;
    line-height: 4vh;
    font-size: calc(100vw * 16 / 1920);
    cursor: pointer;
    padding-left: 2vw;
    color: rgba(0, 0, 0, .7);
    border-radius: 10px;
    width: 80%;
    margin: 0 auto;
}
.main_left ul{
    margin: 0;
    padding: 0;
}
.main_left li:hover{
    background-color: #f3f3f3;
    color: #00A8FF;
}
.main_right{
    width: 84%;
    height: 100%;
    padding-top: 6vh;
    padding-left: 4vw;
}
.video_title{
    display: flex;
}
.icon{
    width: .3vw;
    height: 3.5vh;
    background: #00A8FF;
    margin-left: 2vw;
}
.title_t{
    padding-left: .5vw;
    font-size: calc(100vw * 20 / 1920);
    line-height: 3.5vh;
}
.videoContent{
    width: 90%;
    display: flex;
    flex-wrap: wrap;
}
.item{
    min-width:16vw;
    height: 18vh;
    margin-left: 2vw;
    margin-top: 8vh;
    background: #1A1A1A;
}
#video{
    width:100%;
    height: 100%;
}
.videoBot{
    min-width:16vw;
    height: 5vh;
    background: #1A1A1A;
    color: #fff;
    margin-top: -.5vh;
    line-height: 1.5;
    text-align: center;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    font-size: calc(100vw * 14 / 1920);
    padding-top: 6px;
}
.date{
    color: #b3aeae;
}




/* login */

.isLogin{
    width: 100vw;
    height: 100vh;
    background-image: url(../img/login.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.loginbg{
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    background: rgba(0, 0, 0, .7);
}

.login_text{
    width: 20vw;
    height: 13vh;
    background: #fff;
    margin-top: 30vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
.text{
    width: 16vw;
    height: 5vh;
    background: rgb(0, 168, 255);
    color: #fff;
    font-size: calc(100vw * 18 / 1920);
    text-align: center;
    line-height: 5vh;
    cursor: pointer;
}


/* grant */


.isgrant{
    width: 100vw;
    height: 100vh;
    background-image: url(../img/login.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.grantbg{
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    background: rgba(0, 0, 0, .7);
}

.grant_text{
    width: 24vw;
    height: 10vh;
    background: #fff;
    margin-top: 30vh;
    font-size: calc(100vw * 14 / 1920);
    text-align: center;line-height: 2vh;
    padding-top: 5.5vh;
}