/* 全局设置，使用 border-box 盒模型 */
* {
	box-sizing: border-box;
}

#menu li:nth-child(8) a {
	color: #51f0c1;
}

#menu li:nth-child(8)::before {
	bottom: 0px;
}

#banner {
	width: 100%;
	position: relative;
	margin-bottom: 30px;
	/* 使用 padding-top 模拟 aspect-ratio */
	padding-top: 23%;
	background-color: #51f0c1;
	background-image: url("../image/banner-small2.gif");
	background-size: 100% 100%;
	background-repeat: no-repeat;
	text-align: center;
	overflow: hidden;
	margin-top: 50px;
}

.blur {
	/* 添加更多浏览器前缀以提高兼容性 */
	-webkit-backdrop-filter: blur(30px);
	-moz-backdrop-filter: blur(30px);
	-ms-backdrop-filter: blur(30px);
	backdrop-filter: blur(30px);
	width: 100%;
	height: 100%;
	/* 备用方案：半透明背景色 */
	background-color: rgba(255, 255, 255, 0.1);
	position: absolute;
	top: 0;
	left: 0;
	overflow: hidden;
}

#banner .blur video {
	height: auto;
	width: 80%;
}

#name {
	font-weight: bold;
	color: #40bb8c;
}

.Introducer-right-span {
	color: gray;
}

#main {
	width: 100%;
	height: auto;
	overflow: hidden;
	margin-bottom: 2em;
}

#main-cont {
	width: 85vw;
	height: auto;
	margin: auto;
	overflow: hidden;
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
}

#main-cont-left {
	width: 65%;
	height: 100%;
	padding: 1em;
}

#main-cont-right {
	width: 30%;
	height: 100%;
}

#main-cont-left,
#main-cont-right {
	margin: 0.5em auto;
	background-color: #fff;
	box-shadow: 0 0 7px 2px rgba(0, 0, 0, 0.1);
	border-radius: 10px;
}

#main-cont-left h2 {
	color: #46cfa7;
	margin: 2em auto 1.5em;
	text-align: center;
	width: 100%;
}
#main-cont-left h3{
	color: #46cfa7;
	text-align: left;
	width: 100%;
	margin-bottom: 1em;
}

#main-cont-left p {
    line-height: 1.5em;
    margin: 0.3em auto;
	width: 100%;
}


#main-cont-left ul{
	width: 100%;
	height: auto;
	overflow: hidden;
}
#main-cont-left li{
	list-style-type: disc;
	list-style-position: inside;
	line-height: 1.5em;
	margin-bottom: 0.8em;
}

#main-cont-left p {
	line-height: 1.5em;
	margin: 0.3em auto;
	width: 100%;
}

#main-cont-left figure {
	width: 100%;
	height: calc(75vw * 0.65 / 2);
	overflow: hidden;
	border-radius: 5px;
	margin: 2em auto;
}

#main-cont-left img {
	width: 100%;
	height: auto;
}

#main-cont-right h3 {
    margin: 1em auto;
}

#main-cont-right img {
    width: 85%;
    border-radius: 5px;
	margin: 1em auto;
}