/* 重置默认边距 */
        body, html {
            margin: 0;
            padding: 0;
            height: 100%;
            overflow-x: hidden;
        }
        
        .video-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: #000;
    overflow: hidden;
}

.video-background video {
    /* 关键点：固定宽高比例（例如 16:9），避免变形 */
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    
    /* 居中显示并裁剪超出部分 */
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

/* 移动端横屏/竖屏适配 */
@media (max-width: 768px) {
    .video-background video {
        /* 移动端强制保持和PC端相同的视觉大小 */
        width: 100%;
        height: 100%;
        min-width: 0;
        min-height: 0;
    }
}
        
        /* 内容容器 */
        .content {
            position: relative;
            z-index: 1;
            color: white;
            padding: 0px;
            margin-top: 0%;
            text-align: center;
			width:100%;
        }
        
        /* 半透明遮罩，可根据需要调整透明度 */
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.4);
            z-index: 0;
        }
        
		
		.healthcare-container {
            background: white;
            max-width: 1000px;
            margin: 0 auto;
            font-family: 'Arial', sans-serif;
            color: black;
            display: flex;
            flex-direction: column;
            padding: 20px;
        }

        .healthcare-title {
			font-size: 28px;
			font-weight: 800;
			font-family: Montserrat, sans-serif;
			line-height: 1.2;
			text-transform: uppercase;
			text-align: left;
			display: flex;
			align-items: center; /* 垂直居中 */
			min-height: 100px; /* 设置一个最小高度（根据需要调整） */
			margin-bottom: 20px;
		}

        .healthcare-content {
            font-size: 16px;
            line-height: 1.6;
            padding-top: 20px;
            border-top: 2px solid #0066cc;
            text-align: left; /* 确保正文左对齐 */
        }

        @media (min-width: 768px) {
            .healthcare-container {
                flex-direction: row;
                padding: 40px;
                gap: 30px;
            }
            .healthcare-title {
                font-size: 30px;
                flex: 1;
                margin-bottom: 0;
            }
            .healthcare-content {
                flex: 1;
                font-size: 18px;
                border-top: none;
                border-left: 2px solid #0066cc;
                padding-left: 30px;
                padding-top: 0;
            }
        }  
		.healthcare-banner {
            background-color: #003366; /* 深蓝色背景 */
            color: white;
            padding: 60px 20px;
            text-align: center;
            font-family: 'Arial', sans-serif;
        }
        
        .main-title {
            font-size: 42px;
            font-weight: 700;
            margin-bottom: 15px;
            text-transform: uppercase;
        }
        .main-title1 {
            font-size: 42px;
            font-weight: 700;
            margin-bottom: 15px;
            text-transform: uppercase;
			color:black;
        }
        .subtitle {
            font-size: 18px;
            margin-bottom: 40px;
            opacity: 0.9;
        }
        
        .cards-container {
            display: flex;
            justify-content: center;
            gap: 20px;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        
        .card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            width: 350px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        
        .card-image {
            height: 200px;
            background-size: cover;
            background-position: center;
        }
        
        .card-content {
            padding: 25px;
            color: #333;
        }
        
        .card-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #003366;
        }
        
        .card-description {
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 10px;
        }
        
        .card-small-text {
            font-size: 12px;
            color: #666;
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .cards-container {
                flex-direction: column;
                align-items: center;
            }
            
            .card {
                width: 90%;
                margin-bottom: 30px;
            }
            
            .main-title {
                font-size: 32px;
            }
        }
		
		.cards-container {
            display: flex;
            justify-content: center;
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px;
            font-family: Arial, sans-serif;
        }
        
        .card {
            flex: 1;
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            display: flex;
            flex-direction: column;
        }
        
        .card-image {
            height: 300px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        
        .card-content {
            padding: 25px;
            text-align: center;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .card-text {
            font-size: 18px;
            line-height: 1.6;
            color: #333;
            margin: 0;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .cards-container {
                flex-direction: column;
            }
            
            .card {
                margin-bottom: 30px;
            }
        }
		.footer {
            background-color: #003366; /* 深蓝色背景 */
            color: white;
            padding: 50px 10%;
            font-family: Arial, sans-serif;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
        }
        
        .footer-section {
            flex: 1;
            min-width: 250px;
			text-align: left; /* 确保正文左对齐 */
        }
        
        .footer-title {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 20px;
            text-transform: uppercase;
			text-align: left; /* 确保正文左对齐 */
        }
        
        .footer-text {
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 15px;
			text-align: left; /* 确保正文左对齐 */
        }
        
        .social-icons {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .social-icon {
            width: 30px;
            height: 30px;
            background-color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .contact-item {
            margin-bottom: 10px;
            font-size: 14px;
        }
        
        .email-input {
            width: 100%;
            padding: 10px;
            margin-bottom: 15px;
            border: none;
            border-radius: 4px;
        }
        
        .submit-btn {
            background-color: #0066cc;
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 4px;
            cursor: pointer;
            font-weight: bold;
        }
        
        .copyright {
            width: 100%;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.2);
            font-size: 12px;
            display: flex;
            justify-content: space-between;
        }
        
        @media (max-width: 768px) {
            .footer {
                flex-direction: column;
                gap: 30px;
            }
        }
		.social-icons {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .social-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: transparent;
            transition: all 0.3s ease;
        }
        
        .social-icon:hover {
            transform: scale(1.1);
        }
        
        .social-icon img {
            width: 24px;
            height: 24px;
            object-fit: contain;
        }
		/* 主容器 */
        .contact-container {
            max-width: 1000px;
            margin: 40px auto;
            background: white;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            overflow: hidden;
            display: flex;
            flex-wrap: wrap;
        }
        
        /* 左侧信息区 */
        .contact-info {
            flex: 1;
            min-width: 300px;
            padding: 40px;
            box-sizing: border-box;
        }
        
        /* 右侧表单区 */
        .contact-form {
            flex: 1;
            min-width: 300px;
            padding: 40px;
            background: #f9f9f9;
            box-sizing: border-box;
        }
        
        /* 文字样式 */
        .contact-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 20px;
            color: #222;
        }
        
        .contact-description {
            font-size: 16px;
            line-height: 1.6;
            margin-bottom: 30px;
            color: #555;
        }
        
        /* 联系信息块 */
        .contact-block {
            margin-bottom: 25px;
        }
        
        .contact-label {
            font-size: 14px;
            font-weight: 600;
            color: #777;
            margin-bottom: 8px;
            display: block;
        }
        
        .contact-value {
            font-size: 16px;
            color: #333;
        }
        
        /* 表单样式 */
        .form-group {
            margin-bottom: 25px;
        }
        
        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 8px;
            color: #555;
        }
        
        .form-input {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 15px;
            box-sizing: border-box;
            background: white;
        }
        
        .form-input::placeholder {
            color: #999;
        }
        
        /* 提交按钮 */
        .submit-btn {
            background-color: #6a0dad; /* 紫色 */
            color: white;
            border: none;
            padding: 14px 25px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 30px;
            cursor: pointer;
            width: 100%;
            transition: background 0.3s;
        }
        
        .submit-btn:hover {
            background-color: #5a0b9d;
        }
        
        /* 必填字段星号 */
        .required {
            color: #e74c3c;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .contact-container {
                flex-direction: column;
                margin: 20px;
            }
            
            .contact-info, 
            .contact-form {
                padding: 30px;
            }
            
            .contact-title {
                font-size: 24px;
            }
        }