* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: 'Arial', sans-serif;
}
body {
	height: 100vh;
	display: flex;
	justify-content: center;
	align-items: center;
	position: relative;
	overflow: hidden;
}
.bg-slideshow {
	position: absolute;
	width: 100%;
	height: 100%;
	z-index: 0;
}
.bg-slideshow img {
	position: absolute;
	width: 100%;
	height: 100%;
	object-fit: cover;
	opacity: 0;
	transition: opacity 1.5s ease-in-out;
}
.bg-slideshow img.active {
	opacity: 1;
}
.overlay {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(30, 30, 30, 0.1);
	z-index: 1;
}
.login-container {
	width: 400px;
	background: white;
	border-radius: 10px;
	box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
	padding: 40px;
	position: relative;
	z-index: 2;
}
.login-header {
	text-align: center;
	margin-bottom: 30px;
}
.login-header h2 {
	color: #333;
	font-size: 28px;
	margin-bottom: 10px;
}
.login-header p {
	color: #777;
	font-size: 14px;
}
.input-group {
	position: relative;
	margin-bottom: 25px;
}
.input-group i.fa-user,
.input-group i.fa-lock,
.input-group i.fa-shield {
	position: absolute;
	left: 15px;
	top: 50%;
	transform: translateY(-50%);
	color: #c6c6c6;
}
.input-group input {
	width: 100%;
	padding: 15px 15px 15px 45px;
	border: 1px solid #ddd;
	border-radius: 5px;
	font-size: 16px;
	transition: all 0.3s;
}
.input-group input:focus {
	border-color: #4a90e2;
	box-shadow: 0 0 5px rgba(74, 144, 226, 0.3);
	outline: none;
}
.password-wrapper {
	position: relative;
}
.password-toggle {
	position: absolute;
	right: 15px;
	top: 50%;
	transform: translateY(-50%);
	cursor: pointer;
	color: #999;
	z-index: 2;
}
.captcha-group {
	display: flex;
	gap: 10px;
}
.captcha-group input {
	flex: 1;
}
.captcha-img {
	width: 120px;
	height: 50px;
	background: #f5f5f5;
	border-radius: 5px;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	user-select: none;
	border: 1px solid #f0f0f0;
}
.login-btn {
	width: 100%;
	padding: 15px;
	background: #4a90e2;
	color: white;
	border: none;
	border-radius: 5px;
	font-size: 16px;
	font-weight: bold;
	cursor: pointer;
	transition: background 0.3s;
}
.login-btn:hover {
	background: #3a7bc8;
}
.footer-links {
	margin-top: 20px;
	text-align: center;
	font-size: 14px;
}
.footer-links a {
	color: #4a90e2;
	text-decoration: none;
	margin: 0 10px;
}
.footer-links a:hover {
	text-decoration: underline;
}

/* 修改input和textarea的placeholder样式 */
input::placeholder,
textarea::placeholder {
    color: #c6c6c6; /* 橙色 */
    font-size: 14px; /* 字体大小 */
	font-weight: 300;
}