/* nav */
.page {
	width: 100%;
	overflow: hidden;
}
.nav-contain {
	width: 100%;
	display: flex;
	justify-content: center;
	background: rgba(116,181,176,1);
	position: fixed;
	left: 0;
	top: 0;
	z-index: 1001;
}
.nav {
	width: 1200px;
	height: 80px;
	display: flex;
	align-items: center;
}
.logo {
	width: 372px;
	height: 33.98px;
	margin-right: 10px;
}
.title-tips {
	color: rgba(255,254,255,1);
	font-size: 24px;
	font-weight: 900;
	font-family: "Roboto-Bold";
}


/* top-info */
.top-info {
	background: rgba(116,181,176,1);
	height: 942px;
	padding-top: 80px;
	overflow: hidden;
}
.top-contain {
	height: 942px;
	margin: 0 auto;
	width: 1200px;
	position: relative;
}
.info {
	color: rgba(255,255,255,1);
	font-size: 48px;
	font-weight: 700;
	font-family: "Roboto-Bold";
	text-align: center;
	margin: 118px 0 64px;
	line-height: 56px;
	position: relative;
	z-index: 100;
	width: 1200px;
}
.info::after {
	position: absolute;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	width: 860px;
	height: 16px;
	display: block;
	content: '';
	background: #F0EB65;
	z-index: -1;
}
.desc {
	color: rgba(255,254,255,1);
	font-size: 24px;
	font-family: "Roboto";
	text-align: center;
	line-height: 34px;
	text-align: center;
	height: 136px;
}
.bg-conatin {
	width: 1200px;
	height: 510px;
	overflow: hidden;
	margin-top: 66px;
	position: relative;
}
.line {
	width: 1200px;
	height: auto;
	position: absolute;
	top: 5px;
	left: 52%;
	transform: translateX(-50%);
	z-index: 1;
}
.bg {
	position: absolute;
	width: 784px;
	height: auto;
	top: 85.71px;
	left: 208px;
	animation: roll 20s linear infinite;
  animation-direction: reverse;
}

/* experience */
.experience {
	background: rgba(255,254,255,1);
}
.container {
	height: 860px;
	width: 1200px;
	margin: 0 auto;
	display: flex;
	padding-top: 146px;
	box-sizing: border-box;
}
.left {
	width: 560px;
	margin-right: 80px;
}
.left-title {
	color: rgba(16,31,83,1);
	font-size: 40px;
	font-weight: 900;
	font-family: "Roboto-Bold";
	margin-bottom: 48px;
	line-height: 50px;
	position: relative;
	z-index: 1;
}
.left-title::after {
	position: absolute;
	content: '';
	bottom: 0;
	left: 0;
	background: #75B5B1;
	width: 197px;
	height: 16px;
	z-index: -1;
}
.left-desc {
	color: rgba(16,31,83,1);
	font-size: 24px;
	font-family: "Roboto";
	line-height: 36px;
}
.right-img {
	width: 560px;
	height: 567.29px;
}

/* system */
.system {
	width: 100%;
	min-width: 1200px;
	height: 720px;
	background: url('../img/bg.jpeg') no-repeat center center;
	background-size: cover;
}

.sys-contain {
	width: 1000px;
	margin: 0 auto;
}
.title-sys {
	color: rgba(255,254,255,1);
	font-size: 40px;
	font-weight: 900;
	font-family: "Roboto-Bold";
	text-align: left;
	padding-top: 245px;
	text-align: center;
	position: relative;
	z-index: 1;
	width: 100%;
	line-height: 50px;
}
.title-sys::after {
	display: block;
	content: '';
	width: 480px;
	height: 16px;
	position: absolute;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	z-index: -1;
	background: #75B5B1;
}
.desc-sys {
	color: rgba(255,254,255,1);
	font-size: 24px;
	font-family: "Roboto";
	line-height: 36px;
	margin-top: 48px;
}



/* material */
.material {
	background: rgba(255,254,255,1);
}
.material-contain {
	width: 1200px;
	height: 860px;
	margin: 0 auto;
	display: flex;
	padding-top: 147px;
	box-sizing: border-box;
}
.left-img {
	width: 550px;
	height: 576px;
}
.right-part {
	margin-left: 90px;
	width: 560px;
}
.right-title {
	width: 315px;
	color: rgba(16,31,83,1);
	font-weight: 900;
	font-family: "Roboto-Bold";
	line-height: 47px;
	padding-top: 133.5px;
	font-size: 40px;
	position: relative;
	line-height: 50px;
	z-index: 1;
}
.right-title::after {
	display: block;
	content: '';
	width: 315px;
	height: 16px;
	position: absolute;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	z-index: -1;
	background: #EFEB72;
}
.right-desc {
	color: rgba(16,31,83,1);
	font-size: 24px;
	font-family: "Roboto";
	line-height: 36px;
	margin-top: 48px;
}

.resource {
	background: rgba(228,244,251,1);
}
.resource-contain {
	width: 1200px;
	height: 860px;
	margin: 0 auto;
	padding-top: 127px;
	box-sizing: border-box;
	display: flex;
}
.left-info {
	margin-right: 95px;
}
.left-info-title {
	width: 480px;
	color: rgba(16,31,83,1);
	font-size: 40px;
	font-weight: 900;
	font-family: "Roboto-Bold";
	margin-bottom: 95px;
	margin-top: 69.5px;
	position: relative;
	line-height: 50px;
	z-index: 1;
}
.left-info-title::after {
	width: 193px;
	height: 16px;
	position: absolute;
	content: '';
	display: block;
	z-index: -1;
	background:#EFEA73;
	left: 0;
	bottom: 0;
}
.left-info-desc {
	width: 560px;
	color: rgba(16,31,83,1);
	font-size: 24px;
	font-weight: 400;
	font-family: "Roboto";
	line-height: 36px;
}
.icon {
	width: 545px;
	height: 566px;
}

/* footer */
.footer {
	line-height: 174px;
	color: rgba(228,244,251,1);
	font-size: 16px;
	font-family: "Roboto";
	background: rgba(17,17,17,1);
	text-align: center;
}

@keyframes roll {
  from {
    transform:rotate(0deg);
  }
  to {
    transform:rotate(-360deg);
  }
}
.f-conatin {
	width: 1200px;
	margin: 0 auto;
	display: flex;
	align-items: center;
	justify-content: space-between;
}
.nlogo {
	width: 110px;
	height: 118.18px;
}