* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        html, body {
            scroll-behavior: smooth;
            height: 100%;
            overflow: auto;
        }
        
        /* 固定背景壁纸 */
        body::before {
            content: "";
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('../图片/壁纸.jpg') no-repeat center center;
            background-size: cover;
            z-index: -2;
        }
        
        /* 欢迎界面样式 */
        .welcome-section {
            height: 100vh;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }
        
        .content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }
        
        .wellcome {
            text-align: center;
            color: white;
            font-size: 2.5rem;
            margin-bottom: 2rem;
            text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
        }
        
        .avatar {
            width: 270px;
            height: 270px;
            border-radius: 50%;
            border: 7px solid rgba(255, 255, 255, 0.3);
            display: block;
            margin: 0 auto 2rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            object-fit: cover; /* 确保图片比例正确 */
        }
        
        .nameh3 {
            text-align: center;
            color: white;
            font-size: 2rem;
            text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.5);
        }
        
        .guide {
            text-align: center;
            padding: 20px;
            color: white;
            margin-top: auto;
            font-size: 1.2rem;
            animation: bounce 2s infinite;
            text-decoration: none;
        }
        
        .guide a {
            color: white;
            text-decoration: none;
        }
        
        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
            40% {transform: translateY(-20px);}
            60% {transform: translateY(-10px);}
        }
        
        /* 名片部分样式 */
        .card-section {
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 40px 20px;
            position: relative;
        }
               
        .card-container {
            display: flex;
            width: 1000px;
            max-width: 100%;
            height: 600px; /* 增加高度以适应更高的文件夹 */
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
            animation: jelly 1s ease;
        }
        
        @keyframes jelly {
            0%, 100% { transform: scale(1, 1); }
            25% { transform: scale(0.95, 1.05); }
            50% { transform: scale(1.05, 0.95); }
            75% { transform: scale(0.95, 1.05); }
        }
        
        .left-panel, .right-panel {
            padding: 30px;
            backdrop-filter: blur(10px);
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
        }
        
        .left-panel {
            width: 35%; /* 增加左侧面板宽度 */
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            border-right: 1px solid rgba(255, 255, 255, 0.2);
            overflow-y: auto;
        }
        
        .right-panel {
            width: 65%; /* 调整右侧面板宽度 */
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
            align-items: flex-start;
            color: rgba(255, 255, 255, 0.9);
            overflow-y: auto;
        }
        
        /* 文件夹样式 */
        .folder-container {
            width: 100%;
            display: flex;
            flex-direction: column;
            gap: 25px; /* 增加文件夹之间的距离 */
        }
        
        .folder {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            padding: 25px 20px; /* 增加上下内边距 */
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
            cursor: pointer;
            width: 100%;
            min-height: 90px; /* 增加最小高度 */
            display: flex;
            flex-direction: column;
            justify-content: center; /* 垂直居中内容 */
            text-decoration: none;
        }
        
        .folder:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-5px); /* 增加悬停时的上移距离 */
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
        }
        
        .folder-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        
        .folder-title-wrapper {
            display: flex;
            align-items: center;
        }
        
        .folder-icon {
            margin-right: 15px;
            font-size: 22px;
            color: rgba(255, 255, 255, 0.9);
            width: 26px;
            text-align: center;
        }
        
        .folder-title {
            font-weight: 600;
            font-size: 20px;
            color: white;
        }
        
        .folder-arrow {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.7);
            transition: transform 0.3s ease;
        }
        
        .folder:hover .folder-arrow {
            transform: translateX(5px);
        }
        
        .folder-content {
            font-size: 14px;
            line-height: 1.5;
            color: rgba(255, 255, 255, 0.8);
            display: none; /* 隐藏内容，只显示标题 */
        }
        
        .card-avatar {
            width: 120px; /* 增加头像尺寸 */
            height: 120px;
            border-radius: 50%;
            object-fit: cover; /* 关键属性：保持图片比例 */
            border: 3px solid rgba(255, 255, 255, 0.3);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            margin-bottom: 25px;
            align-self: center;
        }
        
        .name {
            color: white;
            font-size: 18px; /* 增大字体 */
            font-weight: 600;
            margin-bottom: 15px;
            text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
            text-align: center;
            width: 100%;
        }
        
        .info {
            color: rgba(255, 255, 255, 0.9);
            margin: 12px 0;
            font-size: 14px; /* 增大字体 */
            display: flex;
            align-items: flex-start;
            line-height: 1.4;
        }
        
        .info i {
            margin-right: 10px;
            width: 20px;
            text-align: center;
            color: rgba(255, 255, 255, 0.7);
            flex-shrink: 0;
            padding-top: 2px;
        }
        
        .info span {
            flex: 1;
            word-break: break-word;
        }
        
        .divider {
            width: 100%;
            height: 1px;
            background: linear-gradient(to right, 
                      transparent, 
                      rgba(255, 255, 255, 0.5), 
                      transparent);
            margin: 20px 0;
        }
        
        .card-container:hover .left-panel,
        .card-container:hover .right-panel {
            backdrop-filter: blur(12px);
            background: rgba(255, 255, 255, 0.15);
        }
        
        /* 响应式设计 - 移动端优化 */
        @media (max-width: 768px) {
            .card-container {
                flex-direction: column;
                height: auto;
                max-width: 90%;
                margin: 20px auto;
            }
            
            .left-panel, .right-panel {
                width: 100%;
                padding: 20px;
            }
            
            .left-panel {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            }
            
            .wellcome {
                font-size: 1.8rem;
                padding: 0 15px;
                line-height: 1.3;
            }
            
            .avatar {
                width: 180px;
                height: 180px;
            }
            
            .nameh3 {
                font-size: 1.6rem;
            }
            
            .info {
                font-size: 13px;
                margin: 10px 0;
            }
            
            .card-avatar {
                width: 100px;
                height: 100px;
                margin-bottom: 15px;
            }
            
            .name {
                font-size: 16px;
                margin-bottom: 10px;
            }
            
            .divider {
                margin: 15px 0;
            }
            
            .guide {
                font-size: 1rem;
                padding: 15px;
            }
            
            .right-panel {
                min-height: 150px;
            }
            
            /* 欢迎区域垂直居中优化 */
            .content {
                padding: 0 15px;
                justify-content: center;
            }
            
            .folder {
                padding: 20px 15px;
                min-height: 80px;
            }
            
            .folder-title {
                font-size: 18px;
            }
            
            .folder-container {
                gap: 20px;
            }
            
            .folder-icon {
                font-size: 20px;
                margin-right: 12px;
            }
        }

        /* 小屏幕手机特别优化 */
        @media (max-width: 480px) {
            .wellcome {
                font-size: 1.5rem;
            }
            
            .avatar {
                width: 150px;
                height: 150px;
                border-width: 5px;
            }
            
            .nameh3 {
                font-size: 1.4rem;
            }
            
            .card-container {
                max-width: 95%;
                border-radius: 15px;
            }
            
            .left-panel, .right-panel {
                padding: 15px;
            }
            
            .info {
                font-size: 12px;
            }
            
            .info i {
                margin-right: 8px;
                width: 16px;
            }
            
            .card-avatar {
                width: 80px;
                height: 80px;
            }
            
            .folder {
                padding: 18px 12px;
                min-height: 70px;
            }
            
            .folder-title {
                font-size: 16px;
            }
            
            .folder-icon {
                font-size: 18px;
                margin-right: 10px;
            }
            
            .folder-container {
                gap: 15px;
            }
        }

        /* 横屏模式优化 */
        @media (max-height: 500px) and (orientation: landscape) {
            .welcome-section {
                height: auto;
                min-height: 100vh;
            }
            
            .content {
                padding: 40px 0;
            }
            
            .avatar {
                width: 120px;
                height: 120px;
            }
            
            .wellcome {
                font-size: 1.8rem;
                margin-bottom: 1rem;
            }
            
            .nameh3 {
                font-size: 1.5rem;
            }
        }