.a1 {
	background-color: #ffffff50;
	backdrop-filter: blur(10px);
	height: 64px;
	width: 100%;
	display: flex;
	position: relative;
	z-index: 999;
}
.a2 {
	width: 70px;
	height: 64px;
}
.a3 {
  width: 30px ;
  height: 24px;
  position: relative;
  cursor: pointer;
  margin: 20px 20px;
}
.a3 span {
  display: block;
  width: 30px;
  height: 3px;
  background: #88888888;
  border-radius: 2px;
  position: absolute;
  left: 0;
  /* 动画过渡 */
  transition: all 0.2s ease;
}
.a4 { top: 0; }
.a5 { top: 50%; transform: translateY(-50%); }
.a6 { bottom: 0; }
.a2:hover .a4 {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}
.a2:hover .a5 {
  opacity: 0;
}
.a2:hover .a6 {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}
.a2:hover .a7 {
	display: block;
}
.a7 {
	display: none; 
	width: 500px; 
	height: 350px;
	position: absolute; 
	top: 100%; 
	left: -20px;
	background-color: #fff;
	border-radius: 10px;
	border: none;
}
.a7:hover {
	display: block;
}
.a8 {
	list-style: none; 
	text-decoration: none;
	margin: 0 0;
	padding: 0;
	width: 100%; 
	display: flex;
	color: #000;	
}
.a8 li {
	display: flex;
	align-items: center;
	margin: 20px 30px;
}
.a8 li:hover {
	text-decoration: none;
}
.a8 li a {
	display: flex;
	align-items: center;
	color: #000;
	text-decoration: none;
}
.a8 li a:hover {
	text-decoration: none;
	color: #1366ec;
}
.a9 {
	margin-left: auto;
}
.a10 {
	top: 5px;
	width: 500px;
	height: 36px;
	position: relative;
}
.a11 {
	font-size: 24px;
	float: left;
	outline:none;
	line-height:50px;
	text-indent:15px;
	border:solid 1px #ddd;
	width: 400px;
	border-radius: 50px;
}
.a12 {
	position: absolute;
	width: auto;
	height: 50px;
	right: 100px;
}
.b1 {
    position: absolute;
	left: 50%;
	transform: translateX(-50%);
	width: 1920px;
	height: 1080px;
	overflow: hidden;
	z-index: -10;
	object-fit: fill;
	top: 0px;
}
.c1 {
	margin-top: 80px;
	text-align: center;
	padding: 0;
}
.c1 h1 {
	font-size: 80px;
	margin: 0;
}
.c1 p {
	font-size: 40px;
	margin: 0;
}
.c2 {
	background-color: #13ddecab;
	backdrop-filter: blur(10px);
	border-radius: 50px;
	width: 1500px;
	margin: 80px auto;
}
.c2 h2 {
	width: 100%;
	height: 100%;
	text-align: left;
	margin-left: 20px;
	font-size: 35px;
	padding: 0;
	margin-top: 0;
	margin-bottom: 0;
	color: #181818;
}
.c2 p {
	font-size: 30px;
}
.c3 {
	display: flex;
}
.c3 h3 {
	font-size: 60px;
	margin: 0;
}
.c3 div {
	width: 450px;
	height: 300px;
	background-color: #88888888;
	border-radius: 50px;
	margin: 60px 30px;
}
.c3 p {
	font-size: 20px;
	margin: 80px 0;
}
.e1 {
	background-color: #ececec;
	border-radius: 5px;
}
.e2 {
	justify-content: center;
	display: flex;
}
.e3 {
	display: flex;
	justify-content: center;
	gap: 20px; 
	color: #888;
}
.e4 {
	height: 30px;
	margin-top: auto;
	margin-left: 0;
	padding: 0;
	width: 240px;
}
.e4 img {
	height: 20px;
	width: 20px;
}
.e4 a {
	text-decoration: none;
	color: #666;
}