:root {
            /* 定义主色调：浅蓝色系 */
	--primary-color: #4facfe;
	--primary-dark: #00f2fe;
	--primary-light: #e6f7ff;
	--text-main: #333;
	--text-light: #666;
	--white: #ffffff;
            /* 新增：页底文字颜色 */
	--footer-text: #1a3a52;
	--footer-text-light: #3d5a73;
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

body {
	height: 100vh;
	width: 100%;
	display: flex;
	overflow: hidden;
	position: relative;
            /* 浅蓝色渐变背景 */
	background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 50%, #90caf9 100%);
	background-size: 200% 200%;
	animation: gradientFlow 20s ease infinite;
}

        /* 渐变流动动画 */
@keyframes gradientFlow {
	0% {
		background-position: 0% 50%;
	}

	50% {
		background-position: 100% 50%;
	}

	100% {
		background-position: 0% 50%;
	}
}

        /* 背景装饰层 */
body::before {
	content: '';
	position: absolute;
	top: -50%;
	left: -50%;
	width: 200%;
	height: 200%;
	background: radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.4) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
	z-index: 0;
	animation: floatDecor 25s ease-in-out infinite;
}

@keyframes floatDecor {
	0%, 100% {
		transform: translate(0, 0) rotate(0deg);
	}

	50% {
		transform: translate(-2%, -2%) rotate(5deg);
	}
}

        /* 主容器 */
.container {
	position: relative;
	z-index: 1;
	width: 100%;
	height: 100%;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	padding: 20px;
	gap: 0;
}

        /* ===== 品牌 Logo 栏 ===== */
.brand-bar {
	width: 1100px;
	display: flex;
	align-items: center;
	gap: 14px;
	padding: 14px 28px 14px 28px;
	background: rgba(255, 255, 255, 0.72);
	backdrop-filter: blur(18px);
	-webkit-backdrop-filter: blur(18px);
	border-radius: 18px 18px 0 0;
	border-bottom: 1.5px solid rgba(79, 172, 254, 0.18);
	box-shadow: 0 -2px 18px rgba(79, 172, 254, 0.08);
}

.brand-logo {
	height: 46px;
	width: auto;
	object-fit: contain;
	border-radius: 6px;
	/* 与蓝色背景融合，让白色透明区域不突兀 */
	filter: drop-shadow(0 2px 8px rgba(79,172,254,0.18));
}

.brand-name-wrap {
	display: flex;
	flex-direction: column;
	justify-content: center;
	line-height: 1.2;
}

.brand-name {
	font-size: 26px;
	font-weight: 800;
	letter-spacing: 4px;
	background: linear-gradient(90deg, #1a7bd4 0%, #4facfe 50%, #00c6ff 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

.brand-subtitle {
	font-size: 12px;
	color: #7ab8e8;
	letter-spacing: 2px;
	margin-top: 2px;
	font-weight: 400;
}

        /* 内容卡片 */
.login-wrapper {
	display: flex;
	width: 1100px;
	height: 600px;
	background: var(--white);
	border-radius: 0 0 20px 20px;
	box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
	overflow: hidden;
}

        /* 左侧：登录区域 */
.login-section {
	flex: 1;
	padding: 50px;
	display: flex;
	flex-direction: column;
	justify-content: center;
	background: var(--white);
}

.login-header {
	margin-bottom: 30px;
}

.login-header h1 {
	color: var(--primary-color);
	font-size: 28px;
	margin-bottom: 10px;
	font-weight: 700;
}

.login-header p {
	color: var(--text-light);
	font-size: 14px;
}

        /* 用户类别单选按钮组样式 */
.user-type-group {
	display: flex;
	justify-content: space-between;
	margin-bottom: 25px;
	background: #f9f9f9;
	padding: 5px;
	border-radius: 12px;
	border: 1px solid #eee;
}

.user-type-group input[type="radio"] {
	display: none;
}

.user-type-group label {
	flex: 1;
	text-align: center;
	padding: 10px 5px;
	font-size: 13px;
	color: var(--text-light);
	cursor: pointer;
	border-radius: 8px;
	transition: all 0.3s ease;
	font-weight: 500;
}

.user-type-group input[type="radio"]:checked + label {
	background: var(--primary-color);
	color: white;
	box-shadow: 0 4px 10px rgba(79, 172, 254, 0.3);
}

.user-type-group label:hover {
	background: #eef6ff;
	color: var(--primary-color);
}

.input-group {
	position: relative;
	margin-bottom: 25px;
}

.input-group i {
	position: absolute;
	left: 15px;
	top: 50%;
	transform: translateY(-50%);
	color: #ccc;
	transition: 0.3s;
	z-index: 2;
	pointer-events: none;
}

.input-group input {
	width: 100%;
	padding: 15px 15px 15px 45px;
	border: 2px solid #eee;
	border-radius: 10px;
	outline: none;
	transition: 0.3s;
	font-size: 14px;
	color: #333;
}

.input-group input:focus {
	border-color: var(--primary-color);
}

.input-group input:focus + i {
	color: var(--primary-color);
}

.login-btn {
	width: 100%;
	padding: 15px;
	background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
	border: none;
	border-radius: 10px;
	color: white;
	font-size: 16px;
	font-weight: 600;
	cursor: pointer;
	transition: 0.3s;
	box-shadow: 0 5px 15px rgba(79, 172, 254, 0.4);
	margin-top: 10px;
}

.login-btn:hover {
	transform: translateY(-2px);
	box-shadow: 0 8px 20px rgba(79, 172, 254, 0.6);
}


.extra-links {
	margin-top: 20px;
	display: flex;
	justify-content: space-between;
	font-size: 13px;
}

.extra-links a {
	text-decoration: none;
	color: var(--text-light);
}

.extra-links a:hover {
	color: var(--primary-color);
}

        /* 右侧：栏目展示区域 */
.features-section {
	flex: 1.2;
	background: linear-gradient(135deg, #f5f9ff 0%, #ffffff 100%);
	padding: 50px;
	display: flex;
	flex-direction: column;
	justify-content: center;
	border-left: 1px solid #f0f0f0;
}

.features-header {
	margin-bottom: 30px;
}

.features-header h2 {
	color: #2c3e50;
	font-size: 24px;
	margin-bottom: 10px;
}

.features-header span {
	display: block;
	width: 50px;
	height: 4px;
	background: var(--primary-color);
	border-radius: 2px;
}

.features-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 20px;
}

.feature-item {
	background: white;
	padding: 20px;
	border-radius: 12px;
	display: flex;
	align-items: center;
	cursor: pointer;
	transition: all 0.3s ease;
	border: 1px solid transparent;
	box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.feature-item:hover {
	transform: translateY(-5px);
	box-shadow: 0 10px 20px rgba(79, 172, 254, 0.15);
	border-color: var(--primary-color);
}

.feature-icon {
	width: 50px;
	height: 50px;
	background: rgba(79, 172, 254, 0.1);
	border-radius: 50%;
	display: flex;
	justify-content: center;
	align-items: center;
	margin-right: 15px;
	color: var(--primary-color);
	font-size: 20px;
	transition: 0.3s;
}

.feature-item:hover .feature-icon {
	background: var(--primary-color);
	color: white;
}

.feature-text h3 {
	font-size: 16px;
	color: #333;
	margin-bottom: 4px;
}

.feature-text p {
	font-size: 12px;
	color: #999;
}

        /* ========== 修改：页底版权样式 ========== */
.page-footer {
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
	padding: 15px 0;
	text-align: center;
            /* 修改：深色文字，提高对比度 */
	color: var(--footer-text);
	font-size: 13px;
	z-index: 10;
            /* 修改：加深背景遮罩，让文字更清晰 */
	background: rgba(255, 255, 255, 0.6);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	border-top: 1px solid rgba(255, 255, 255, 0.5);
            /* 移除文字阴影 */
	text-shadow: none;
}

.page-footer a {
            /* 修改：链接使用主题蓝色 */
	color: var(--primary-color);
	text-decoration: none;
	margin: 0 5px;
	transition: 0.3s;
	font-weight: 500;
}

.page-footer a:hover {
            /* 修改：悬停时颜色加深 */
	color: var(--footer-text);
	text-decoration: underline;
}

.page-footer .separator {
	margin: 0 8px;
	opacity: 0.4;
	color: var(--footer-text-light);
}

        /* ========== 医学卡通背景装饰层 ========== */

/* 装饰容器：铺满全屏，不遮挡交互 */
.bg-decor {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

/* 所有装饰元素基础样式 */
.decor-item {
    position: absolute;
    opacity: 0.22;
    filter: drop-shadow(0 4px 12px rgba(79,172,254,0.15));
}

/* 漂浮动画 - 多种节奏 */
@keyframes floatA {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50%       { transform: translateY(-18px) rotate(3deg); }
}
@keyframes floatB {
    0%, 100% { transform: translateY(0px) rotate(0deg) scale(1); }
    50%       { transform: translateY(-12px) rotate(-4deg) scale(1.03); }
}
@keyframes floatC {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33%       { transform: translateY(-20px) rotate(5deg); }
    66%       { transform: translateY(-8px) rotate(-3deg); }
}
@keyframes floatD {
    0%, 100% { transform: translateY(0px) rotate(-8deg); }
    50%       { transform: translateY(-15px) rotate(-2deg); }
}
@keyframes floatE {
    0%, 100% { transform: translateY(0px) rotate(12deg); }
    50%       { transform: translateY(-22px) rotate(6deg); }
}

/* ---- 各元素定位 ---- */

/* 卡通医生：左上 */
.decor-doctor {
    width: 160px;
    top: 4%;
    left: 2%;
    animation: floatA 7s ease-in-out infinite;
    opacity: 0.25;
}

/* 心电图屏：右上 */
.decor-ecg {
    width: 220px;
    top: 5%;
    right: 2%;
    animation: floatB 9s ease-in-out infinite;
    opacity: 0.2;
}

/* 书本：左下 */
.decor-book {
    width: 140px;
    bottom: 12%;
    left: 3%;
    animation: floatC 8s ease-in-out infinite;
    opacity: 0.22;
}

/* 注射器：右下 */
.decor-syringe {
    width: 200px;
    bottom: 10%;
    right: 3%;
    animation: floatD 10s ease-in-out infinite;
    transform: rotate(-8deg);
    opacity: 0.2;
}

/* 奖牌/证书：顶部中间偏左 */
.decor-medal {
    width: 90px;
    top: 3%;
    left: 30%;
    animation: floatE 6.5s ease-in-out infinite;
    opacity: 0.2;
}

/* 听诊器：右侧中部 */
.decor-stethoscope {
    width: 130px;
    top: 40%;
    right: 1.5%;
    animation: floatA 8.5s ease-in-out infinite 1s;
    opacity: 0.2;
}

/* 医院楼：左侧中部 */
.decor-hospital {
    width: 110px;
    top: 42%;
    left: 1.5%;
    animation: floatB 11s ease-in-out infinite 0.5s;
    opacity: 0.2;
}

/* 胶囊1：顶部偏右 */
.decor-pill1 {
    width: 80px;
    top: 8%;
    right: 26%;
    animation: floatC 5.5s ease-in-out infinite 0.8s;
    opacity: 0.25;
    transform: rotate(30deg);
}

/* 胶囊2（Rx圆片）：底部中间 */
.decor-pill2 {
    width: 60px;
    bottom: 15%;
    left: 44%;
    animation: floatA 7.5s ease-in-out infinite 1.5s;
    opacity: 0.22;
}

        /* 响应式适配 */
@media (max-width: 900px) {
	.brand-bar {
		width: 90%;
		padding: 12px 18px;
	}

	.brand-name {
		font-size: 20px;
	}

	.brand-logo {
		height: 36px;
	}

	.login-wrapper {
		flex-direction: column;
		width: 90%;
		height: auto;
	}

	.features-section {
		display: none;
	}

	.page-footer {
		font-size: 12px;
		padding: 10px 0;
	}
}