* {
 	margin: 0;
 	padding: 0;
 	box-sizing: border-box;
 }

 body {
 	font-family: 'Microsoft YaHei', Arial, sans-serif;
 	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
 	min-height: 100vh;
 	display: flex;
 	align-items: center;
 	justify-content: center;
 	position: relative;
 	overflow: hidden;
 }

 /* 背景装饰元素 */
 .bg-decoration {
 	position: absolute;
 	width: 100%;
 	height: 100%;
 	top: 0;
 	left: 0;
 	z-index: 1;
 }

 .bg-circle {
 	position: absolute;
 	border-radius: 50%;
 	background: rgba(255, 255, 255, 0.1);
 }

 .circle-1 {
 	width: 300px;
 	height: 300px;
 	top: -100px;
 	right: -100px;
 }

 .circle-2 {
 	width: 200px;
 	height: 200px;
 	bottom: -50px;
 	left: -50px;
 }

 .circle-3 {
 	width: 150px;
 	height: 150px;
 	top: 200px;
 	left: 100px;
 }

 .main-container {
 	position: relative;
 	z-index: 2;
 	text-align: center;
 	padding: 40px;
 	background: rgba(255, 255, 255, 0.95);
 	border-radius: 20px;
 	box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
 	backdrop-filter: blur(10px);
 	max-width: 1000px;
 	width: 90%;
 }

 .logo {
 	margin-bottom: 25px;
 }

 .logo h1 {
 	font-size: 2.5em;
 	color: #333;
 	font-weight: 300;
 	letter-spacing: 2px;
 }

 .logo span {
 	color: #667eea;
 	font-weight: 600;
 }

 .welcome-text {
 	font-size: 1.2em;
 	color: #666;
 	margin-bottom: 40px;
 	line-height: 1.6;
 }

 .login-options {
 	display: flex;
 	justify-content: center;
 	gap: 30px;
 	flex-wrap: wrap;
 	margin-bottom: 40px;
 }

 .login-options .iconfont {
	 font-size: 40px;
 }

 .login-card {
 	background: white;
 	border-radius: 15px;
 	padding: 30px;
 	width: 300px;
 	transition: all 0.3s ease;
 	cursor: pointer;
 	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
 	border: 2px solid transparent;
	text-decoration:none;
 }

 .login-card:hover {
 	transform: translateY(-10px);
 	box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
 	border-color: #667eea;
 }

 .merchant-card:hover {
 	border-color: #ff6b6b;
 }

 .admin-card:hover {
 	border-color: #4ecdc4;
 }

 .distributor-card:hover {
 	border-color: #45b7d1;
 }

 .icon-wrapper {
 	width: 80px;
 	height: 80px;
 	border-radius: 50%;
 	display: flex;
 	align-items: center;
 	justify-content: center;
 	margin: 0 auto 20px;
 	font-size: 36px;
 }

 .merchant-icon {
 	background: linear-gradient(135deg, #ff6b6b, #ee5a24);
 	color: white;
 }

 .admin-icon {
 	background: linear-gradient(135deg, #4ecdc4, #44a08d);
 	color: white;
 }

 .distributor-icon {
 	background: linear-gradient(135deg, #45b7d1, #f093fb);
 	color: white;
 }

 .card-title {
 	font-size: 1.5em;
 	font-weight: 600;
 	margin-bottom: 15px;
 	color: #333;
 }

 .merchant-title {
 	color: #ff6b6b;
 }

 .admin-title {
 	color: #4ecdc4;
 }

 .distributor-title {
 	color: #45b7d1;
 }

 .card-desc {
 	color: #666;
 	font-size: 0.9em;
 	line-height: 1.5;
 	margin-bottom: 20px;
 }

 .btn {
 	display: inline-block;
 	padding: 12px 30px;
 	border-radius: 6px; 
 	text-decoration: none;
 	font-weight: 600;
 	transition: all 0.3s ease;
 	border: none;
 	cursor: pointer;
 	font-size: 1em;
 }

 .merchant-btn {
 	background: linear-gradient(135deg, #ff6b6b, #ee5a24);
 	color: white;
 }

 .admin-btn {
 	background: linear-gradient(135deg, #4ecdc4, #44a08d);
 	color: white;
 }

 .distributor-btn {
 	background: linear-gradient(135deg, #45b7d1, #f093fb);
 	color: white;
 }

 .btn:hover {
 	transform: scale(1.05);
 	box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
 }

 .footer {
 	color: #999;
 	font-size: 0.9em;
 	margin-top: 30px;
 }

 /* 响应式设计 */
 @media (max-width: 768px) {
 	.main-container {
 		padding: 20px;
 		margin: 20px;
 	}

 	.login-options {
 		flex-direction: column;
 		align-items: center;
 		gap: 20px;
 	}

 	.logo h1 {
 		font-size: 2em;
 	}
 }

 /* 动画效果 */
 @keyframes float {
 	0% {
 		transform: translateY(0px);
 	}

 	50% {
 		transform: translateY(-10px);
 	}

 	100% {
 		transform: translateY(0px);
 	}
 }

 .login-card {
 	animation: float 3s ease-in-out infinite;
 }

 .login-card:nth-child(2) {
 	animation-delay: 0.5s;
 }

 .login-card:nth-child(3) {
 	animation-delay: 1s;
 }