body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
button,
textarea,
p,
blockquote,
th,
td {
    margin: 0;
    padding: 0;
}

body {
    background: #fff;
    color: #555;
    font-family: "microsoft yahei";
}

td,
th,
caption {
    font-size: 14px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: normal;
    font-size: 100%;
}

address,
caption,
cite,
code,
dfn,
em,
strong,
th,
i,
b,
strong {
    font-style: normal;
    font-weight: normal;
}

a {
    color: #555;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

img {
    border: none;
	display: block;
    vertical-align: middle;
}

ol,
ul,
li {
    list-style: none;
}

input,
textarea,
select,
button {
    font: 14px Verdana, Helvetica, Arial, sans-serif;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

html {
    overflow-y: scroll;
}

.clearfix:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

.clearfix {
    *zoom: 1;
}

/* 获取课程按钮动画 */
/* Common button styles */
.button {
	display: block;
	vertical-align: middle;
	z-index: 1;
	-webkit-backface-visibility: hidden;
	-moz-osx-font-smoothing: grayscale;
}
.button:focus {
	outline: none;
}
.button > span {
	vertical-align: middle;
}
.button--nuka {
	-webkit-transition: color 0.3s;
	transition: color 0.3s;
	-webkit-transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
	transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
}
.button--nuka.button--inverted {
	color: #333;
}
.button--nuka::before,
.button--nuka::after {
	content: '';
	position: absolute;
	border-radius: inherit;
	z-index: -1;
}
.button--nuka::before {
	top: -4px;
	bottom: -4px;
	left: -4px;
	right: -4px;
	opacity: 0.2;
	-webkit-transform: scale3d(0.7, 1, 1);
	transform: scale3d(0.7, 1, 1);
	-webkit-transition: -webkit-transform 0.3s, opacity 0.3s;
	transition: transform 0.3s, opacity 0.3s;
}
.button--nuka::after {
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	-webkit-transform: scale3d(1.1, 1, 1);
	transform: scale3d(1.1, 1, 1);
	-webkit-transition: -webkit-transform 0.3s, background-color 0.3s;
	transition: transform 0.3s, background-color 0.3s;
}
.button--nuka::before,
.button--nuka::after {
	-webkit-transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
	transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
}
.button--nuka:hover {
	color: #333;
}
.button--nuka:hover::before {
	opacity: 1;
}

.button--nuka:hover::after,
.button--nuka:hover::before {
	-webkit-transform: scale3d(1, 1, 1);
	transform: scale3d(1, 1, 1);
}
.button--nanuk {
	overflow: hidden;
	-webkit-transition: background-color 0.3s;
	transition: background-color 0.3s;
}
.button--nanuk > span {
	display: inline-block;
}
.button--nanuk:hover {
	background-color: #fff;
}
.button--nanuk:hover > span:nth-child(odd) {
	-webkit-animation: anim-nanuk-1 0.5s forwards;
	animation: anim-nanuk-1 0.5s forwards;
}
.button--nanuk:hover > span:nth-child(even) {
	-webkit-animation: anim-nanuk-2 0.5s forwards;
	animation: anim-nanuk-2 0.5s forwards;
}
.button--nanuk:hover > span:nth-child(odd),
.button--nanuk:hover > span:nth-child(even) {
	-webkit-animation-timing-function: cubic-bezier(0.75, 0, 0.125, 1);
	transition-animation-function: cubic-bezier(0.75, 0, 0.125, 1);
}
@-webkit-keyframes anim-nanuk-1 {
	0%,
	100% {
		opacity: 1;
		-webkit-transform: translate3d(0, 0, 0);
		transform: translate3d(0, 0, 0);
	}
	49% {
		opacity: 0;
		-webkit-transform: translate3d(0, 100%, 0);
		transform: translate3d(0, 100%, 0);
	}
	50% {
		opacity: 0;
		-webkit-transform: translate3d(0, 100%, 0);
		transform: translate3d(0, 100%, 0);
		color: inherit;
	}
	51% {
		opacity: 0;
		-webkit-transform: translate3d(0, -100%, 0);
		transform: translate3d(0, -100%, 0);
		color: #333;
	}
	100% {
		color: #333;
	}
}
@keyframes anim-nanuk-1 {
	0%,
	100% {
		opacity: 1;
		-webkit-transform: translate3d(0, 0, 0);
		transform: translate3d(0, 0, 0);
	}
	49% {
		opacity: 0;
		-webkit-transform: translate3d(0, 100%, 0);
		transform: translate3d(0, 100%, 0);
	}
	50% {
		opacity: 0;
		-webkit-transform: translate3d(0, 100%, 0);
		transform: translate3d(0, 100%, 0);
		color: inherit;
	}
	51% {
		opacity: 0;
		-webkit-transform: translate3d(0, -100%, 0);
		transform: translate3d(0, -100%, 0);
		color: #333;
	}
	100% {
		color: #333;
	}
}
@-webkit-keyframes anim-nanuk-2 {
	0%,
	100% {
		opacity: 1;
		-webkit-transform: translate3d(0, 0, 0);
		transform: translate3d(0, 0, 0);
	}
	49% {
		opacity: 0;
		-webkit-transform: translate3d(0, -100%, 0);
		transform: translate3d(0, -100%, 0);
	}
	50% {
		opacity: 0;
		-webkit-transform: translate3d(0, -100%, 0);
		transform: translate3d(0, -100%, 0);
		color: inherit;
	}
	51% {
		opacity: 0;
		-webkit-transform: translate3d(0, 100%, 0);
		transform: translate3d(0, 100%, 0);
		color: #333;
	}
	100% {
		color: #333;
	}
}
@keyframes anim-nanuk-2 {
	0%,
	100% {
		opacity: 1;
		-webkit-transform: translate3d(0, 0, 0);
		transform: translate3d(0, 0, 0);
	}
	49% {
		opacity: 0;
		-webkit-transform: translate3d(0, -100%, 0);
		transform: translate3d(0, -100%, 0);
	}
	50% {
		opacity: 0;
		-webkit-transform: translate3d(0, -100%, 0);
		transform: translate3d(0, -100%, 0);
		color: inherit;
	}
	51% {
		opacity: 0;
		-webkit-transform: translate3d(0, 100%, 0);
		transform: translate3d(0, 100%, 0);
		color: #333;
	}
	100% {
		color: #333;
	}
}
.button--nanuk:hover > span:nth-child(1) {
	-webkit-animation-delay: 0s;
	animation-delay: 0s;
}
.button--nanuk:hover > span:nth-child(2) {
	-webkit-animation-delay: 0.05s;
	animation-delay: 0.05s;
}
.button--nanuk:hover > span:nth-child(3) {
	-webkit-animation-delay: 0.1s;
	animation-delay: 0.1s;
}
.button--nanuk:hover > span:nth-child(4) {
	-webkit-animation-delay: 0.15s;
	animation-delay: 0.15s;
}
.button--nanuk:hover > span:nth-child(5) {
	-webkit-animation-delay: 0.2s;
	animation-delay: 0.2s;
}
.button--nanuk:hover > span:nth-child(6) {
	-webkit-animation-delay: 0.25s;
	animation-delay: 0.25s;
}
.button--nanuk:hover > span:nth-child(7) {
	-webkit-animation-delay: 0.3s;
	animation-delay: 0.3s;
}
.button--nanuk:hover > span:nth-child(8) {
	-webkit-animation-delay: 0.35s;
	animation-delay: 0.35s;
}

/* Rayen */
.button--rayen {
	overflow: hidden;
	padding: 0;
	width: 230px;
}
.button--rayen.button--inverted {
	color: #fff;
}
.button--rayen::before {
	content: attr(data-text);
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: #7986cb;
	-webkit-transform: translate3d(-100%, 0, 0);
	transform: translate3d(-100%, 0, 0);
}
.button--rayen.button--inverted::before {
	background: #fff;
	color: #37474f;
}
.button--rayen > span {
	display: block;
}
.button--rayen::before,
.button--rayen > span {
	line-height: 4.87rem;
	-webkit-transition: -webkit-transform 0.3s;
	transition: transform 0.3s;
	-webkit-transition-timing-function: cubic-bezier(0.75, 0, 0.125, 1);
	transition-timing-function: cubic-bezier(0.75, 0, 0.125, 1);
}
.button--rayen:hover::before {
	-webkit-transform: translate3d(0, 0, 0);
	transform: translate3d(0, 0, 0);
}
.button--rayen:hover > span {
	-webkit-transform: translate3d(0, 100%, 0);
	transform: translate3d(0, 100%, 0);
}

.button--border-medium {
	border: 2px solid;
}

.button--antiman.button--border-medium::before {
	border-width: 2px;
}

.button--text-thin {
	font-weight: 300;
}

.button--size-l {
	font-size: 18px;
}

/* 初始化加载动画 */
/*
*
* Preloader
*/
.preloader {
	position: fixed;
	left: 0;
	top: 0;
	bottom: 0;
	right: 0;
	z-index: 10000;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	padding: 20px;
	transition: .3s all ease;
	pointer-events: none;
	backface-visibility: hidden;
}

.preloader::before, .preloader::after {
	content: '';
	position: absolute;
	left: 0;
	right: 0;
	transition: .2s linear;
	transform: translateY(0);
	pointer-events: none;
}

.preloader::before {
	top: 0;
	bottom: 50%;
	background: #fff;
}

.preloader::after {
	top: 50%;
	bottom: 0;
	background: #fff;
}

.preloader.loaded::before, .preloader.loaded::after {
	transition: .4s linear;
}

.preloader.loaded::before {
	transform: translateY(-100%);
}

.preloader.loaded::after {
	transform: translateY(100%);
}

.preloader.loaded .preloader-logo,
.preloader.loaded .preloader-body {
	opacity: 0;
	visibility: hidden;
	transition: 0s;
}

.preloader-logo,
.preloader-body {
	transition: 0s .2s;
}

.preloader-logo {
	position: relative;
	z-index: 10;
	transform: translate3d(0, -50%, 0);
	padding: 40px;
}

.preloader-body {
	position: absolute;
	top: 50%;
	transform: translate3d(0, -50%, 0);
	left: 0;
	right: 0;
	z-index: 10;
	text-align: center;
}

#loadingProgressG {
	width: 100vw;
	height: 5px;
	overflow: hidden;
	background: #e8e9ee;
	border-radius: 6px;
	margin: auto;
}

.loadingProgressG {
	background: #007e9a;
	margin-top: 0;
	margin-left: -100vw;
	animation-name: bounce_loadingProgressG;
	animation-duration: 2.5s;
	animation-iteration-count: infinite;
	animation-timing-function: linear;
	width: 100vw;
	height: 5px;
	transition: .5s;
}

@keyframes bounce_loadingProgressG {
	0% {
		margin-left: -100vw;
	}
	100% {
		margin-left: 100vw;
	}
}