*{
    padding:0;
    margin:0;
}
body{
    background-image: url("https://123.homeofmjr.top/image/top_image.webp");
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 100vw auto;
    margin: 0 auto;
    background-attachment: fixed
}
.page-container
{
    max-width: 1024px;
    background-color: rgba(255, 255, 255, 0.4);
    overflow-x: auto;
    margin: 0 auto;
}
.nav-time{
    margin-top: 50px;
    letter-spacing: 3px;
    font-weight: 300;
    text-align: center;
    font-size:60px;
}
.form-input{
    width: 500px;
    height: 40px;
    margin: 20px auto;
    text-align: center;
}
.form-input label{
    font-size: 16px;
    display: inline-block;
    width: 100px;
    margin-right: 10px;
}
.input-url{
    width: 200px;
    padding:8px 12px;
    border: 1px solid #87CEEBFF;
    border-radius: 6px;
}
.input-err{
    width: 200px;
    padding:8px 12px;
    border: 1px solid #87CEEBFF;
    border-radius: 6px;
}
.input-err::placeholder{
    color:red;
}
.btn-primary{
    width:100px;
    padding:8px 12px;
    border: 1px solid #87CEEBFF;
    border-radius: 6px;
    margin-left:10px ;
}
.btn-primary:hover{
    background-color:lightgray;
}
.vd {
    display: block;
    width: 640px;
    margin: 30px auto;
    border-radius: 15px;
    aspect-ratio: 16/9;
}
.video-list{
    width: 730px;
    margin: 0 auto;
    overflow: hidden;
}
.video-list h1{
    text-align: center;
    margin-bottom: 20px;
    font-weight: 500;
}
.video-info{
    width: 160px;
    height: 150px;
    float: left;
    margin-left:20px;
}
.video-info .card-img{
    border-radius: 4px;
    width: 160px;
    height: 90px;
}
.video-info .card-url{
    display: block;
    width: 160px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    text-decoration: none;
    color:black;
}