*{
            margin: 0;
            padding: 0;
        }
        #app {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            min-height: 100vh;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.15);
        }
        .box{
           width: 100%;
           display: flex;
           flex-direction: row;
        }
        .left{
           width: 50%;
           background-color: #f8f9fa;
           box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
        }
        .right{
           width: 50%;
           background-color: #fff;
           display: flex;
           flex-direction: column;
           height: 100vh;
        }
        .left-top{
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            width: 100%;
            height: 250px;
        }
        .left-middle{
            width: 100%;
            padding: 2rem;
            box-sizing: border-box;
        }
        .tx{
            display: block;
            margin-top: -50px;
            margin-left: auto;
            margin-right: auto;
            width: 100px;
            height: 100px;
            border-radius: 50%;
            border: 4px solid white;
            background-color: #2c7be5;
            color: white;
            font-size: 3rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .tx:hover {
            transform: scale(1.05);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
        }
        .user-info {
            margin-top: 1.5rem;
            text-align: center;
        }
        .user-name {
            font-size: 1.75rem;
            font-weight: 700;
            color: #495057;
            margin-bottom: 0.5rem;
        }
        .user-handle {
            color: #6c757d;
            margin-bottom: 1rem;
            font-size: 1rem;
        }
        .stats {
            display: flex;
            justify-content: space-around;
            margin-bottom: 2rem;
            padding: 1rem 0;
            border-top: 1px solid #e9ecef;
            border-bottom: 1px solid #e9ecef;
        }
        .stat-item {
            text-align: center;
        }
        .stat-number {
            font-size: 1.5rem;
            font-weight: 700;
            color: #667eea;
        }
        .stat-label {
            color: #6c757d;
            font-size: 0.875rem;
        }
        .action-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
        }
        .btn {
            padding: 0.75rem 1.5rem;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            font-size: 1rem;
        }
        .btn-primary {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
        }
        .btn-secondary {
            background-color: #f8f9fa;
            color: #495057;
            border: 2px solid #e9ecef;
        }
        .btn-secondary:hover {
            background-color: #e9ecef;
        }
        .right-top{
            width: 100%;
            height: 48px;
            background-color: #f8f9fa;
            border-bottom: 1px solid #e9ecef;
            display: flex;
            align-items: center;
            padding: 0 2rem;
            box-sizing: border-box;
            flex-shrink: 0;
        }
        .tab {
            padding: 0.75rem 1.5rem;
            font-weight: 600;
            color: #6c757d;
            cursor: pointer;
            transition: all 0.3s ease;
            border-radius: 25px;
            margin:0 auto;
        }
        .tab.active {
            color: #667eea;
            background-color: rgba(102, 126, 234, 0.1);
        }
        .tab:hover {
            color: #495057;
            background-color: rgba(0, 0, 0, 0.05);
        }
        .right-content {
            padding: 2rem;
            flex-grow: 1;
            overflow-y: auto;
        }
        .content-section {
            display: none;
        }
        .content-section.active {
            display: block;
        }
        .post {
            background-color: white;
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .post:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
        }
        .post-header-info {
            display: flex;
            align-items: center;
            margin-bottom: 1rem;
        }
        .post-user {
            font-weight: 700;
            margin-right: 0.5rem;
            color: #495057;
        }
        .post-handle, .post-time {
            color: #6c757d;
            margin-right: 0.5rem;
            font-size: 0.875rem;
        }
        .post-text {
            margin-bottom: 1rem;
            line-height: 1.7;
            color: #212529;
        }
        .post-actions-bar {
            display: flex;
            justify-content: space-between;
            max-width: 450px;
            color: #868e96;
        }
        .post-action {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.875rem;
            padding: 0.5rem 0.75rem;
            border-radius: 8px;
        }
        .post-action:hover {
            color: #667eea;
            background-color: rgba(102, 126, 234, 0.1);
            transform: translateY(-1px);
        }
        /* 响应式设计 */
        @media (max-width: 768px) {
            .box {
                flex-direction: column;
            }
            .left, .right {
                width: 100%;
            }
            .right {
                height: auto;
            }
            .left-middle, .right-content {
                padding: 1.5rem;
            }
            .right-top {
                padding: 0 1rem;
                overflow-x: auto;
            }
            .tab {
                margin-right: 0.5rem;
                padding: 0.5rem 1rem;
                font-size: 0.875rem;
            }
        }