html,body {
	height: 90%;
	margin: 0;
	background-color: #DCDCDC;
}

.nav{
	display: flex;
	justify-content: space-around;
	width: 100%;
	height: 55px;
	margin-top: 20px;

}

.nav a {
	text-decoration: none;
	height: 45px;
	width: 100%;
	text-align: center;
	border-radius: 15px;
	padding-top: 10px;
}


.acontent-press{
	font-weight: bold;
	font-size: 25px;
	background-color: #CCCCCC;
	color: #e75480
}
.acontent{
	font-weight: bold;
	font-size: 25px;
	color: black;
}
.content2:hover {
	background-color: #EEEEEE;
}

.bg-cls {
	min-height: 100%;
    position: relative;
	padding-bottom: 50px;
	height: auto !important; 
	height: 90%;
}

.container {
	flex-shrink: 0;
	display: none;
}

.active {
	display: block;
}

.title-cls {
	margin-top: 70px;
	text-align: center;
	font-size: 20px;
	/*color: red;*/
}

.content {
	margin-top: 70px;
	text-align: center;
	height: 50px;
}

.input-btn {
	height: 50px;
	width:200px;
/*	border-radius: 5px;
	border: 1px solid #007bff;*/
}

input {
	width:500px;
}

.d-content {
	margin-top: 120px;
	margin-left: 30%;
	height: 50px;
	width: 40%;
	border-radius: 5px;
	background-color: white;
	text-align: right;
}

.download-text {
	float: left;
	margin-left: 3%;
	margin-top: 10px;
}

.download-btn {
	display: inline-block;
	color: #e75480;
	font-size: 18px;
	margin-top: 10px;
	margin-right: 20px;
	text-align: right;
}

.overlay-mask {
	position: absolute; /* 或者fixed, 根据需求 */
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background-color: rgba(0, 0, 0, 0.4);
	z-index: 100;
}

.overlay-content {
	display: flex;
	justify-content: center;
	align-items: center;
	height: 100%;
	font-size: 25px;
	color: #00bfff;
}

.footer {
	position: absolute;
    width: 100%;
    height: 45px;
	margin-top: -10px;
	text-align: center;
	background-color: white;
}

.fcontainer {
	display: flex;
	justify-content: center;
	align-items: center;
	font-size: 10px;
	margin-top: 6px;
}

.footer_a {
	text-decoration: none;
	color: gray;
}

.footer_p {
	margin-left: 10px;
	text-decoration: none;
	color: gray;
}

::file-selector-button {
  --color: #e75480;
  --hover: #e79654;
}

::file-selector-button {
  font-size: 1.5rem;
  border: none;
  background: white;
  border: 1px solid var(--color);
  color: var(--color);
  transition: 1.3s;
  font-size: 1.5rem;
  width: 10.5rem;
  height: 50px;
  border-radius: 1rem;
}
::file-selector-button:hover, ::file-selector-button:focus {
  border-color: var(--hover);
  color: white;
}
 
::file-selector-button:hover,
::file-selector-button:focus {
  box-shadow: inset 15rem 0 0 0 var(--hover);
}