@charset "utf-8";

.loader {
    --background: linear-gradient(135deg, #2dafe1, #1c97c6);
    --shadow: rgba(39, 94, 254, 0.28);
    --text: #6c7486;
    --page: rgba(255, 255, 255, 0.36);
    --page-fold: rgba(255, 255, 255, 0.52);
    --duration: 3s;
    width: 200px;
    height: 140px;
    position: relative;
}
.loader:before, .loader:after {
    --r: -6deg;
    content: "";
    position: absolute;
    bottom: 8px;
    width: 120px;
    top: 10%;
    box-shadow: 0 16px 12px var(--shadow);
    transform: rotate(var(--r));
}
.loader:before {
    left: 23px;
    scale:0.5
}
.loader:after {
    --r: 6deg;
    right: 24px;
    scale:0.5;
}
.loader div {
    width: 100%;
    height: 100%;
    border-radius: 13px;
    position: relative;
    z-index: 1;
    perspective: 600px;
    box-shadow: 0 4px 6px var(--shadow);
    background-image: var(--background);
}
.loader div ul {
    margin: 0;
    padding: 0;
    list-style: none;
    position: relative;
}
.loader div ul li {
    --r: 180deg;
    --o: 0;
    --c: var(--page);
    position: absolute;
    top: 10px;
    left: 10px;
    transform-origin: 100% 50%;
    color: var(--c);
    opacity: var(--o);
    transform: rotateY(var(--r));
    -webkit-animation: var(--duration) ease infinite;
    animation: var(--duration) ease infinite;
}
.loader div ul li:nth-child(2) {
    --c: var(--page-fold);
    -webkit-animation-name: page-2;
    animation-name: page-2;
}
.loader div ul li:nth-child(3) {
    --c: var(--page-fold);
    -webkit-animation-name: page-3;
    animation-name: page-3;
}
.loader div ul li:nth-child(4) {
    --c: var(--page-fold);
    -webkit-animation-name: page-4;
    animation-name: page-4;
}
.loader div ul li:nth-child(5) {
    --c: var(--page-fold);
    -webkit-animation-name: page-5;
    animation-name: page-5;
}
.loader div ul li svg {
    width: 90px;
    height: 120px;
    display: block;
}
.loader div ul li:first-child {
    --r: 0deg;
    --o: 1;
}
.loader div ul li:last-child {
    --o: 1;
}
.loader span {
    display: block;
    left: 0;
    right: 0;
    top: 100%;
    margin-top: 20px;
    text-align: center;
    color: var(--text);
}

@-webkit-keyframes page-2 {
    0% {
        transform: rotateY(180deg);
        opacity: 0;
    }
    20% {
        opacity: 1;
    }
    35%, 100% {
        opacity: 0;
    }
    50%, 100% {
        transform: rotateY(0deg);
    }
}

@keyframes page-2 {
    0% {
        transform: rotateY(180deg);
        opacity: 0;
    }
    20% {
        opacity: 1;
    }
    35%, 100% {
        opacity: 0;
    }
    50%, 100% {
        transform: rotateY(0deg);
    }
}
@-webkit-keyframes page-3 {
    15% {
        transform: rotateY(180deg);
        opacity: 0;
    }
    35% {
        opacity: 1;
    }
    50%, 100% {
        opacity: 0;
    }
    65%, 100% {
        transform: rotateY(0deg);
    }
}
@keyframes page-3 {
    15% {
        transform: rotateY(180deg);
        opacity: 0;
    }
    35% {
        opacity: 1;
    }
    50%, 100% {
        opacity: 0;
    }
    65%, 100% {
        transform: rotateY(0deg);
    }
}
@-webkit-keyframes page-4 {
    30% {
        transform: rotateY(180deg);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    65%, 100% {
        opacity: 0;
    }
    80%, 100% {
        transform: rotateY(0deg);
    }
}
@keyframes page-4 {
    30% {
        transform: rotateY(180deg);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    65%, 100% {
        opacity: 0;
    }
    80%, 100% {
        transform: rotateY(0deg);
    }
}
@-webkit-keyframes page-5 {
    45% {
        transform: rotateY(180deg);
        opacity: 0;
    }
    65% {
        opacity: 1;
    }
    80%, 100% {
        opacity: 0;
    }
    95%, 100% {
        transform: rotateY(0deg);
    }
}
@keyframes page-5 {
    45% {
        transform: rotateY(180deg);
        opacity: 0;
    }
    65% {
        opacity: 1;
    }
    80%, 100% {
        opacity: 0;
    }
    95%, 100% {
        transform: rotateY(0deg);
    }
}

.loader_content {
    position: fixed;
    top: 50%;
    left: 50%;
    margin-left: -100px;
    margin-top: -70px;
    z-index: 999999;
}
.bg_content {
    width: 100%;
    height: 100%;
    background-color: rgb(0, 0, 0);
    opacity: 0.5;
    position: fixed;
    top: 0px;
    left: 0px;
    z-index: 9997;
}