body {
    	width: 100vw;
		max-width: 1024px;
		margin: 0 auto;
		font-family: "Arial", "Microsoft YaHei", "微软雅黑", sans-serif;
  		font-size: 16px;
    }
    h1 {
		text-align: left;
	}
	h2{
		text-align: center;
		margin-top: 50px;
		font-size: 2em;
	}
	h3 {
		text-align: left;
		font-size: 1.2em;
	}
	h4 {

	}
	span {
		margin: 30px;
		
	}
	span a {
		color: white;
	}
	p {
		text-indent: 2em;
	}
	img {
		width: 100%
	}
.text-left {
  text-align: left;
}
	.hr {
		border-bottom: 1px solid #9badab;
		width: 100%;
	}
	.vw-height {
		
	}
	.bottomH {
		width: 100%; /* 或者你需要的宽度 */
		text-align: center; /* 水平居中 */
		overflow: hidden; /* 超出容器的文字不显示 */
		white-space: nowrap; /* 防止文字换行 */
	}
	.top {
		width: 100%;
		height: 1200px;
		background-size: cover;
		background-repeat: no-repeat;
		background-position: center;
	}
  .top-story{
		width: 100%;
		max-width: 1024px;
		margin-top: 60px;
		height: 1200px;
		position: fixed;
		background-color: white;
		display: none;
  }
  .top-story .user{
  	display: flex;      /* 启用弹性布局 */
  	height: 70px;
  	align-items: center; /* 垂直居中对齐 */
  }
  .top-story .user img{
  	height: 30px;
  	width: 30px;
  	float:left;
  }
  .top-story .button-r {
  	box-sizing: border-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
    float: right;
    align-items: center;
    width: auto;
    height: 30px;
    line-height: 18px;
    padding: 0 15px;
    font-size: 13px;
    font-weight: bold;
    white-space: nowrap;
    color: #1772F6;
    background: rgba(23,114,246,0.08);
    border-radius: 24px;
    border: 0;
    cursor: pointer;
    margin-left: 8px;
  }	
	.popupMenu {
		display: none;
		float: right;
		width: 10.8em;
		font-size: 1.4em;
		line-height: 40px;
		padding-top: 16px;
		background-color: rgba(84,84,84,0.5);
	}
.floating-button {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #4285f4;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  /* 背景图设置 */
  background-image: url('../img/server.gif');
  background-size: cover;
  background-position: center;
  /* 悬停效果 */
  transition: all 0.3s ease;
  /*animation: jump 3s infinite;  应用动画 */
}
@keyframes jump {
  0%, 100% {
  	
    transform: translateY(0) scale(1.2); /* transform: scale(1);初始位置和结束位置 */
  }
  50% {
  	
    transform: translateY(30px) scale(1);  /*transform: scale(1.1);向下移动10px */
  }
}
.floating-button:hover {
  transform: translateX(-50%) scale(1.1);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

	.middle-tilte {
		width: 100%;
		height: 50px;
		margin-bottom: 0.8em;
		background-image: url("../img/titlebak.png");
		background-size: 60% 25px;
		background-repeat: no-repeat;
		background-position: center;
	}
    .middle-tilte-1 {
		width: 90%;
		margin-left: 1em;
/*		background-image: url("../img/right.png");
		background-size: 100% 50px;
		background-repeat: no-repeat;
		background-position: center;*/
	}
	.slogan {
		float: left;
		margin-left: 2em;
	}
	.slogan a{
		font-size: 4em;
	}
	.slogan-margin-top {
		padding-top: 860px;
		color: #fcfcfc;
	}
	.max-width {
		width: 100%;
		height: auto;
		margin: 0 auto;
		background-image: url("../img/backgrond.jpeg");
		background-size: cover;
		background-repeat: no-repeat;
		background-position: center;/**/
	}
	.background-img {
		width: 100%;
		background-size: cover;
		background-repeat: no-repeat;
		background-position: center;/**/
	}
	.max-width img {
		width: 100%;
	}
	.top-layer {
		width: 100%;
		max-width: 1024px;
		height: 60px;
		position: fixed;
		z-index: 9;
		background-color: white;
	}
	.domain-left {
		width: 180px;
		float: left;
	}
	.domain-right {
		width: 690px;
		float: right;
		margin-right: 0.8em;
		text-align: right;
		margin-top: 10px;	
		#text-overflow: ellipsis;		
	}

	.domain-right .lines {
		width: 650px;
		float: left;
		margin-top: 10px;
	}
	.domain-right .lines a{
		color: black;
	}
	.domain-right img{
		float: right;
		width: 30px;
	}	
	.bottom {
		bottom: 0;
		width: 100%;
		height: 60px;
		display: flex;
		justify-content: center;
		background-color: #ac5656;
	        text-align: center;
	        flex-wrap: wrap;
	}
	.bottom a {
		color: #000000;
	}
	.third {
		width: 33%;
		min-width: 300px;
		margin-top: 10px;
		margin-left: 3px;
		float: left;
		display: flex;
		justify-content: center;
		align-items: center;
	}
	.middle {
		text-align: center;
		margin-top: 50px;
	}
	.middle img {
		margin-top: 50px;
		width: 100%;
	}
	.middle a {	
		font-size: 1.2em;
	}
	.benefits {
		margin-left: 80px;
		margin-top: 60px;
		width: 860px;
		display: flex;
		overflow: hidden;
	}    	
    .teacher-left {
    	width: 512px;
			float: left;
			display: flex;
  		justify-content: center; /* 水平居中 */
    	}
    .teacher-left img {
			max-width: 410px;
  		border-radius: 50%;  /* 百分比实现正圆 */
		}
		.teacher-text {

		}
		.teacher-resume {
		height: 400px;
		width: 480px;
		margin-top: 20px;
		margin-bottom: 30px;
		margin-left: 10px;
		float: left;
	}
	.questions {
		width: 100%;
		background-image: url("../img/banner.jpg");
		overflow: hidden; /* 确保超出部分不显示 */
		display: flex; /* 使用Flexbox布局 */
		background-size: cover;
		background-repeat: no-repeat;
		background-position: center;/**/
	}
	.qustion-title {
		margin-left: 10%;
		width: 80%;
		height: 50px;
		margin-top: 40px;
		font-size: 1.5em;
		border-bottom: 1px solid #9badab;
		text-indent: 1em;
	}
	.qustion-title a{
		  color: white; /* 继承父元素的文字颜色 */
  		text-decoration: none; /* 去除下划线 */
	}	
	.benefits .img-box {
		height: 120px;
	}
	.benefits .img-box img {
		margin-top: 0.8em;
		width: 120px;
		margin-left: 50px;
		margin-right: 50px;
		object-fit: contain;
		border-radius: 50%;

	}
	.benefits img {
		margin:0 10px;
	}
	.right-img {
		width: 300px;
		#background-image: linear-gradient(to left, rgba(255, 255, 255, 0) 0%, rgba(0, 0, 0, 1) 100%);
	}
	.benefits-right{
		float: right;
		width: 500px;
		margin-right: 2em;
	}
	.text-content {
		margin: 0 10px;
		width: 500px;
		z-index: 2;
	}
	.text-content img {
		width: 40%;
		float: right;
		margin-left: 6px;
		margin-top: 30px;
		display: none;
	}
	.story {
		height: 700px;
		width: 100%;
		background-image: url("../img/story.png");
		justify-content: center; /* 水平居中 */	
	}
	.story .detail {
		width: 90%;
		margin-top: 90px;
		margin-left: auto;
		margin-right: auto;
	}
	.story p {
		font-size: 1.2em;
		color: white;
	}
	.left {
		width: 512px;
		float: left;
		justify-content: center; /* 水平居中 */	
	}
	.left img {
		width: 96%;
    border-radius: 50%;
	}
	.third img {
		width: 90%;
	}

	.half {
		width: 50%;
		float: left;
		padding-top: 0.8em;
 		display: flex;
		justify-content: center;
		align-items: center;
	}
	.half img {
		width: 70%;
	}
	.teachers-height {
		height: auto;
	}
	.teachers {
		height: 300px;
		background-image: url("../img/teachers.png");
	}


	.solution {
		width: 1024px;
		height: 840px;
		#object-fit: cover;	
		overflow: hidden; /* 确保超出部分不显示 */
		display: flex; /* 使用Flexbox布局 */
		#align-items: center; /* 垂直居中 */
		#justify-content: center; /* 水平居中 */	
		#background-color: #948a8a;
		
		background-image: url("img/solution.png");
		background-size: cover;
		background-repeat: no-repeat;
		background-position: center;/**/
	}
	.solution img {
		width: 200%;
	}

	.solution-left {
		float: left;	
		padding-top: 10%;
		padding-bottom: 10%;
		font-size: 1.2em;
		text-align: center;

		align-items: center; 
		color: white;
	}
	.solution-left h1 {
		font-size: 4em;
		text-align: center;
		color: #848b8a;
	}
	.solution-left h2 {
		font-size: 2em;
		text-align: center;
		color: white;
	}
	.solution-left-title{
		margin-left: 80px;
		width: 50%;
		height: 100px;
		margin-top: 30px;
		border-bottom: 1px solid white;
		/*文字底部画线
		text-decoration: underline;
	    text-decoration-style: solid;  可以更改为dashed solid, dotted, dashed 等值 */
	    /*text-decoration-color: #848b8a;    设置线的颜色，需要CSS3支持 
	    text-decoration-thickness: 2px;*/
	}
	.solution-but {
		margin-top: 70px;
		background-image: url("img/but.png");
		background-color: #848b8a;
		opacity: 0.5;
		width: 35%;
		margin-left: 30%;
		height: 70px;
		background-size: cover;
		background-repeat: no-repeat;
		background-position: center;
	}


	#follower{
		position: absolute;
		top: 10px;
		z-index: -6;
	}
	.footer {
		background-color: #111101;
		line-height: 40px;
		width: 100%;
overflow: hidden;
	}
	.footer a{
		color: #697272;
	}
	.footer-1 {
		height: 20.8em;		overflow: hidden;
	}
	.footer-2 {
		height: auto;
		padding-top: 16px;
		text-align: center;
	}
	.footer-3 {
		width: 100%;
		height: 180px;
		text-align: center;
	}

	.answers {
		margin-top: 80px;
		padding-left: 2em;
		width: 90%;
		display: none;
	}
	.answers h1 {
		font-size: 4em;
		text-align: center;
		color: #848b8a;
	}
	.answers p {
		color: white;
		font-size: 1.5em;
	}
	.pc-no-dis {
		display: none;
	}
	@media (max-width: 960px){
		.vw-height {
			height: 162vw;
		}
		.lines {display: none;}
		.slogan-margin-top{
			padding-top: 56vh;
		}
		.slogan a{
			font-size: 2em;
		}

		.third {
			margin-left: 1px;
		}
		.teacher-left {
    	width: 100vw;
    }

		.left {
			width: 100vw;
		}
	.teacher-resume {
		height: 160px;
		width: 96vw;
		max-width: 500px;

	}
		.questions {
			height: auto;
		}
		.domain-right {
			width: 120px;
			overflow: hidden;
			white-space: nowrap;
		}
		.story {			
			height: 920px;
		}
		.story .detail {
			margin-top: 10px;
		}

		.phone-no {
			display: none;
		}
		.pc-no-dis {
			display: block;
		}
		.benefits {
			width: 100vw;
			margin-left: 0;
			#display: block;
		}
		.benefits-right{
			float: right;
			width: 100vw;
			margin-left: 10px;
		}	
		.right-img {
			width: 36vw;
			display: none;
  		background-image: linear-gradient(to left, rgba(255, 255, 255, 0) 0%, rgba(0, 0, 0, 1) 100%);
		}
		.benefits img {
			object-fit: cover;
			#opacity: 0.5;
			#display: none;
		}
		.text-content {
			width: 96%;
		} 
		.text-content img {
			display: block;
		}
		.benefits .img-box img {
			margin-top: 2em;
			width: 20vw;
			margin: 10px 0px;
			#object-fit: contain;
			border-radius: 50%;
			opacity: 1;
			display: block;
	}

		.slogan-margin-top {
			padding-top: 360px;
		}
	}
	@media (max-width: 600px){
		.min-width {
			width: 100vw;
		}
		.solution {
			width: 100vw;
		}
		.solution-left h1 {
			font-size: 2em;
		}
		.solution-left h2 {
			font-size: 1.5em;
		}
		.solution-left a {
			font-size: 1.2em;
		}
	}
#iframe {
      //margin-top: 30px;
        width: 100vw;
        height: 330px;
        border: none; 
        overflow: hidden;
	}
#wx {
	display: none;
	width: 100%;
	height: 260px;
	bottom: 60px;
	background-color: transparent;
}