:root {
	/* 颜色 */
	--white:#e9e9e9;
	--gray:#333;
	--blue:#095c91;
	--blue-r:#315a7491;
	--lightblue:#0393a3;
	/* 圆角 */
	--button-radius:0.7rem;
	/* 大小 */
	--max-width:758px;
	--max-height:420px;
	font-size:16px;
	font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,"Open Sans","Helvetica Neue",sans-serif;
}
body {
	align-items:center;
	background-color:var(--white);
	background-attachment:fixed;
	background-position:center;
	background-repeat:no-repeat;
	background-size:cover;
	display:grid;
	height:100vh;
	place-items:center;
}
.form_title {
	font-weight:300;
	margin:0;
	margin-bottom:1.25rem;
}
.link {
	color:var(--gray);
	font-size:0.9rem;
	margin:1.5rem 0;
	text-decoration:none;
}
.container {
	background-color:var(--white);
	border-radius:var(--button-radius);
	box-shadow:0 0.9rem 1.7rem rgba(0,0,0,0.25),0 0.7rem 0.7rem rgba(0,0,0,0.22);
	height:var(--max-height);
	max-width:var(--max-width);
	overflow:hidden;
	position:relative;
	width:100%;
}
.container_form {
	height:100%;
	position:absolute;
	top:0;
	transition:all 0.6s ease-in-out;
}
.container--signin {
	left:0;
	width:50%;
	z-index:5;
}
.container.right-panel-active .container--signin {
	transform:translateX(100%);
}
.container--signup {
	left:0;
	opacity:0;
	width:50%;
	z-index:4;
}
.container.right-panel-active .container--signup {
	-webkit-animation:show 0.6s;
	animation:show 0.6s;
	opacity:1;
	transform:translateX(100%);
	z-index:8;
}
.container_overlay {
	height:100%;
	left:50%;
	overflow:hidden;
	position:absolute;
	top:0;
	transition:transform 0.6s ease-in-out;
	width:50%;
	z-index:100;
}
.container.right-panel-active .container_overlay {
	transform:translateX(-100%);
}
.overlay {
	background-color:rgba(255,255,255,0.25);
	background-attachment:fixed;
	background-position:center;
	background-repeat:no-repeat;
	background-size:cover;
	height:100%;
	left:-100%;
	position:relative;
	transform:translateX(0);
	transition:transform 0.6s ease-in-out;
	width:200%;
}
.container.right-panel-active .overlay {
	transform:translateX(50%);
}
.overlay_panel {
	align-items:center;
	display:flex;
	flex-direction:column;
	height:100%;
	justify-content:center;
	position:absolute;
	text-align:center;
	top:0;
	transform:translateX(0);
	transition:transform 0.6s ease-in-out;
	width:50%;
}
.overlay--left {
	transform:translateX(-20%);
}
.container.right-panel-active .overlay--left {
	transform:translateX(0);
}
.overlay--right {
	right:0;
	transform:translateX(0);
}
.container.right-panel-active .overlay--right {
	transform:translateX(20%);
}
.btn {
	background-color:var(--blue);
	background-image:linear-gradient(90deg,var(--blue) 0%,var(--lightblue) 74%);
	border-radius:20px;
	border:0.2px solid var(--blue-r);
	color:var(--white);
	cursor:pointer;
	font-size:0.8rem;
	font-weight:bold;
	letter-spacing:0.1rem;
	padding:0.9rem 4rem;
	text-transform:uppercase;
	transition:transform 80ms ease-in;
}
.form > .btn {
	margin-top:1.5rem;
}
.btn:active {
	transform:scale(0.95);
}
.btn:focus {
	outline:none;
}
.form {
	background-color:var(--white);
	display:flex;
	align-items:center;
	justify-content:center;
	flex-direction:column;
	padding:0 3rem;
	height:100%;
	text-align:center;
}
.input {
	background-color:#fff;
	border:none;
	padding:0.9rem 0.9rem;
	margin:0.5rem 0;
	width:100%;
}
@-webkit-keyframes show {
	0%,49.99% {
	opacity:0;
	z-index:4;
}
50%,100% {
	opacity:1;
	z-index:8;
}
}@keyframes show {
	0%,49.99% {
	opacity:0;
	z-index:4;
}
50%,100% {
	opacity:1;
	z-index:8;
}
}.slidershow {
	position:absolute;
	width:100vw;
	height:100vh;
	overflow:hidden;
}
.slidershow--image {
	position:absolute;
	width:100%;
	height:100%;
	background:no-repeat 50% 50%;
	background-size:cover;
	-webkit-animation-name:kenburns;
	animation-name:kenburns;
	-webkit-animation-timing-function:linear;
	animation-timing-function:linear;
	-webkit-animation-iteration-count:infinite;
	animation-iteration-count:infinite;
	-webkit-animation-duration:16s;
	animation-duration:16s;
	opacity:1;
	-webkit-transform:scale(1.2);
	transform:scale(1.2);
}
.slidershow--image:nth-child(1) {
	-webkit-animation-name:kenburns-1;
	animation-name:kenburns-1;
	z-index:3;
}
.slidershow--image:nth-child(2) {
	-webkit-animation-name:kenburns-2;
	animation-name:kenburns-2;
	z-index:2;
}
.slidershow--image:nth-child(3) {
	-webkit-animation-name:kenburns-3;
	animation-name:kenburns-3;
	z-index:1;
}
.slidershow--image:nth-child(4) {
	-webkit-animation-name:kenburns-4;
	animation-name:kenburns-4;
	z-index:0;
}
@-webkit-keyframes kenburns-1 {
	0% {
	opacity:1;
	-webkit-transform:scale(1.2);
	transform:scale(1.2);
}
1.5625% {
	opacity:1;
}
23.4375% {
	opacity:1;
}
26.5625% {
	opacity:0;
	-webkit-transform:scale(1);
	transform:scale(1);
}
100% {
	opacity:0;
	-webkit-transform:scale(1.2);
	transform:scale(1.2);
}
98.4375% {
	opacity:0;
	-webkit-transform:scale(1.21176);
	transform:scale(1.21176);
}
100% {
	opacity:1;
}
}@keyframes kenburns-1 {
	0% {
	opacity:1;
	-webkit-transform:scale(1.2);
	transform:scale(1.2);
}
1.5625% {
	opacity:1;
}
23.4375% {
	opacity:1;
}
26.5625% {
	opacity:0;
	-webkit-transform:scale(1);
	transform:scale(1);
}
100% {
	opacity:0;
	-webkit-transform:scale(1.2);
	transform:scale(1.2);
}
98.4375% {
	opacity:0;
	-webkit-transform:scale(1.21176);
	transform:scale(1.21176);
}
100% {
	opacity:1;
}
}@-webkit-keyframes kenburns-2 {
	23.4375% {
	opacity:1;
	-webkit-transform:scale(1.2);
	transform:scale(1.2);
}
26.5625% {
	opacity:1;
}
48.4375% {
	opacity:1;
}
51.5625% {
	opacity:0;
	-webkit-transform:scale(1);
	transform:scale(1);
}
100% {
	opacity:0;
	-webkit-transform:scale(1.2);
	transform:scale(1.2);
}
}@keyframes kenburns-2 {
	23.4375% {
	opacity:1;
	-webkit-transform:scale(1.2);
	transform:scale(1.2);
}
26.5625% {
	opacity:1;
}
48.4375% {
	opacity:1;
}
51.5625% {
	opacity:0;
	-webkit-transform:scale(1);
	transform:scale(1);
}
100% {
	opacity:0;
	-webkit-transform:scale(1.2);
	transform:scale(1.2);
}
}@-webkit-keyframes kenburns-3 {
	48.4375% {
	opacity:1;
	-webkit-transform:scale(1.2);
	transform:scale(1.2);
}
51.5625% {
	opacity:1;
}
73.4375% {
	opacity:1;
}
76.5625% {
	opacity:0;
	-webkit-transform:scale(1);
	transform:scale(1);
}
100% {
	opacity:0;
	-webkit-transform:scale(1.2);
	transform:scale(1.2);
}
}@keyframes kenburns-3 {
	48.4375% {
	opacity:1;
	-webkit-transform:scale(1.2);
	transform:scale(1.2);
}
51.5625% {
	opacity:1;
}
73.4375% {
	opacity:1;
}
76.5625% {
	opacity:0;
	-webkit-transform:scale(1);
	transform:scale(1);
}
100% {
	opacity:0;
	-webkit-transform:scale(1.2);
	transform:scale(1.2);
}
}@-webkit-keyframes kenburns-4 {
	73.4375% {
	opacity:1;
	-webkit-transform:scale(1.2);
	transform:scale(1.2);
}
76.5625% {
	opacity:1;
}
98.4375% {
	opacity:1;
}
100% {
	opacity:0;
	-webkit-transform:scale(1);
	transform:scale(1);
}
}@keyframes kenburns-4 {
	73.4375% {
	opacity:1;
	-webkit-transform:scale(1.2);
	transform:scale(1.2);
}
76.5625% {
	opacity:1;
}
98.4375% {
	opacity:1;
}
100% {
	opacity:0;
	-webkit-transform:scale(1);
	transform:scale(1);
}
}