/* windows界面层 */
#windows {
    font-size: 16px;
}
.loading {
    padding-top: 25vh;
    height: calc(100% - 15vh);
}
.loading:hover #control-btn {
    visibility: visible !important;
}
.loading-content {
    color: #fff;
    letter-spacing: 1px;
    padding-top: 40px;
}
.prog-row {
    margin-bottom: 4px;
}
.prog-row > div {
    vertical-align: middle;
    display: inline-block;
    line-height: 20px;
}
.prog-pancel {
    width: 36px;
    text-align: right;
}
#footer-tips {
    width: 100%;
    height: 15vh;
    color: #fff;
}

.loading .loading-icon {
    margin: auto;
    position: relative;
    width: 40px;
    height: 40px;
    display: block;
}

.loading-icon span {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
}

.loading-icon span:after {
    content: "";
    display: block;
    position: absolute;
    left: 0px;
    top: 0px;
    width: 6px;
    height: 6px;
    background-color: #fff;
    border-radius: 50%;
}

.loading-icon span:nth-child(1) {
    animation: i1 5.5s 0.2s infinite;
}

.loading-icon span:nth-child(2) {
    animation: i2 5.5s 0.4s infinite;
}

.loading-icon span:nth-child(3) {
    animation: i3 5.5s 0.6s infinite;
}

.loading-icon span:nth-child(4) {
    animation: i4 5.5s 0.8s infinite;
}

.loading-icon span:nth-child(5) {
    animation: i5 5.5s 1s infinite;
}

.loading-icon span:nth-child(6) {
    animation: i6 5.5s 1.2s infinite;
}

@keyframes i1 {
    0% {
        opacity: 1;
        transform: rotate(190deg);
        animation-timing-function: cubic-bezier(0.29, 0.44, 0.32, 0.74);
    }
    7% {
        opacity: 1;
        transform: rotate(300deg);
        animation-timing-function: linear;
    }
    30% {
        opacity: 1;
        transform: rotate(450deg);
        animation-timing-function: cubic-bezier(0.53, 0.27, 0.37, 0.81);
    }
    39% {
        opacity: 1;
        transform: rotate(645deg);
        animation-timing-function: linear;
    }
    63% {
        opacity: 1;
        transform: rotate(800deg);
        animation-timing-function: cubic-bezier(0.5, 0.32, 0.82, 0.54);
    }
    68% {
        opacity: 1;
        transform: rotate(920deg);
        animation-timing-function: ease-in;
    }
    69% {
        opacity: 0;
        transform: rotate(930deg);
    }
}
@keyframes i2 {
    0% {
        opacity: 1;
        transform: rotate(180deg);
        animation-timing-function: cubic-bezier(0.29, 0.44, 0.32, 0.74);
    }
    7% {
        opacity: 1;
        transform: rotate(300deg);
        animation-timing-function: linear;
    }
    30% {
        opacity: 1;
        transform: rotate(450deg);
        animation-timing-function: cubic-bezier(0.53, 0.27, 0.37, 0.81);
    }
    39% {
        opacity: 1;
        transform: rotate(645deg);
        animation-timing-function: linear;
    }
    63% {
        opacity: 1;
        transform: rotate(800deg);
        animation-timing-function: cubic-bezier(0.5, 0.32, 0.82, 0.54);
    }
    68% {
        opacity: 1;
        transform: rotate(910deg);
        animation-timing-function: ease-in;
    }
    69% {
        opacity: 0;
        transform: rotate(920deg);
    }
}
@keyframes i3 {
    0% {
        opacity: 1;
        transform: rotate(170deg);
        animation-timing-function: cubic-bezier(0.29, 0.44, 0.32, 0.74);
    }
    7% {
        opacity: 1;
        transform: rotate(300deg);
        animation-timing-function: linear;
    }
    30% {
        opacity: 1;
        transform: rotate(450deg);
        animation-timing-function: cubic-bezier(0.53, 0.27, 0.37, 0.81);
    }
    39% {
        opacity: 1;
        transform: rotate(645deg);
        animation-timing-function: linear;
    }
    63% {
        opacity: 1;
        transform: rotate(800deg);
        animation-timing-function: cubic-bezier(0.5, 0.32, 0.82, 0.54);
    }
    68% {
        opacity: 1;
        transform: rotate(900deg);
        animation-timing-function: ease-in;
    }
    69% {
        opacity: 0;
        transform: rotate(910deg);
    }
}
@keyframes i4 {
    0% {
        opacity: 1;
        transform: rotate(160deg);
        animation-timing-function: cubic-bezier(0.29, 0.44, 0.32, 0.74);
    }
    7% {
        opacity: 1;
        transform: rotate(300deg);
        animation-timing-function: linear;
    }
    30% {
        opacity: 1;
        transform: rotate(450deg);
        animation-timing-function: cubic-bezier(0.53, 0.27, 0.37, 0.81);
    }
    39% {
        opacity: 1;
        transform: rotate(645deg);
        animation-timing-function: linear;
    }
    63% {
        opacity: 1;
        transform: rotate(800deg);
        animation-timing-function: cubic-bezier(0.5, 0.32, 0.82, 0.54);
    }
    68% {
        opacity: 1;
        transform: rotate(890deg);
        animation-timing-function: ease-in;
    }
    69% {
        opacity: 0;
        transform: rotate(900deg);
    }
}
@keyframes i5 {
    0% {
        opacity: 1;
        transform: rotate(150deg);
        animation-timing-function: cubic-bezier(0.29, 0.44, 0.32, 0.74);
    }
    7% {
        opacity: 1;
        transform: rotate(300deg);
        animation-timing-function: linear;
    }
    30% {
        opacity: 1;
        transform: rotate(450deg);
        animation-timing-function: cubic-bezier(0.53, 0.27, 0.37, 0.81);
    }
    39% {
        opacity: 1;
        transform: rotate(645deg);
        animation-timing-function: linear;
    }
    63% {
        opacity: 1;
        transform: rotate(800deg);
        animation-timing-function: cubic-bezier(0.5, 0.32, 0.82, 0.54);
    }
    68% {
        opacity: 1;
        transform: rotate(880deg);
        animation-timing-function: ease-in;
    }
    69% {
        opacity: 0;
        transform: rotate(880deg);
    }
}
@keyframes i6 {
    0% {
        opacity: 1;
        transform: rotate(140deg);
        animation-timing-function: cubic-bezier(0.29, 0.44, 0.32, 0.74);
    }
    7% {
        opacity: 1;
        transform: rotate(300deg);
        animation-timing-function: linear;
    }
    30% {
        opacity: 1;
        transform: rotate(450deg);
        animation-timing-function: cubic-bezier(0.53, 0.27, 0.37, 0.81);
    }
    39% {
        opacity: 1;
        transform: rotate(645deg);
        animation-timing-function: linear;
    }
    63% {
        opacity: 1;
        transform: rotate(800deg);
        animation-timing-function: cubic-bezier(0.5, 0.32, 0.82, 0.54);
    }
    68% {
        opacity: 1;
        transform: rotate(870deg);
        animation-timing-function: ease-in;
    }
    69% {
        opacity: 0;
        transform: rotate(880deg);
    }
}