.stage-container {
    width: 100%;
    height: 30rem;
    position: relative;
}
.stage-container i{
    position: absolute;
    left: 1rem;
    top: 1rem;
    font-size: 1rem;
    cursor: pointer;
    color: #888;
    z-index: 999;
}
.stage-container i.layui-icon-set-fill{
    top: 3rem;
}
.stage-container i.layui-icon-screen-full,.stage-container i.layui-icon-screen-restore{
    top:5rem;
}
.stage-container i.icoyangshengqi{
    top:9rem;
}
.stage-container i.xuehua{
    top:7rem;
}
.container {
    height: 100%;
    display: -webkit-box;
    display: flex;
    -webkit-box-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    align-items: center
}
.canvas-container {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    -webkit-transition: -webkit-filter 0.3s;
    transition: -webkit-filter 0.3s;
    transition: filter 0.3s;
    transition: filter 0.3s, -webkit-filter 0.3s
}
.canvas-container canvas {
    position: absolute;
    mix-blend-mode: lighten;
    -webkit-transform: translateZ(0);
    transform: translateZ(0)
}
.controls {
    position: absolute;
    top: 0;
    width: 100%;
    padding-bottom: 50px;
    display: -webkit-box;
    display: flex;
    -webkit-box-pack: justify;
    justify-content: space-between;
    -webkit-transition: opacity 0.3s, visibility 0.3s;
    transition: opacity 0.3s, visibility 0.3s
}
.menu {
    position: absolute;
    top: 2.75rem;
    left: 2.5rem;
    padding:0.5rem;
    background-color: rgb(66 58 58 / 50%);
    color: #ccc;
    display: none;
}
.menu::before {
    content: '';
    border: 0.4rem solid transparent;
    border-right-color: rgb(66 58 58 / 50%);
    position: absolute;
    left: -0.8rem;
    top: 0.4rem;
    width: 0.8rem;
    height: 0.8rem;
}
.menu_header {
    margin-bottom: 8px;
    font-size: 0.8rem;
    border-bottom: 1px solid #444;
    padding-bottom: 0.5rem;
    position: relative;
}
.menu_header i{
    position: absolute;
    right: 0px;
    top: 5px;
    left: unset;
    cursor: pointer;
    font-size: 0.8rem;
}
.menu form {
    width: 200px;
}
.menu form>div{
    height: 1.8rem;
    line-height: 1.8rem;
    font-size: 0.7rem;
}
.menu form label{
    width: 3.5rem;
    display: inline-block;
    text-align: right;
    padding-right: 0.25rem;
    font-size: 0.7rem;
}
.menu form select{
    width: calc(100% - 4rem);
    height: 1.4rem;
    line-height: 1.4rem;
    border: 1px solid #444;
    background-color: #444;
    color: #fff;
}