#app{font-family:Microsoft YaHei,Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#2c3e50;min-height:100vh}*{box-sizing:border-box;margin:0;padding:0}body{background-color:#f5f7fa}.token-expired-dialog{border-radius:8px}.token-expired-dialog .el-dialog__header{border-radius:0 0 0 0;padding:20px}.token-expired-dialog .el-dialog__title{color:#fff;font-size:18px;font-weight:600}.token-expired-dialog .el-dialog__body{padding:30px 20px}.dialog-content{padding:20px 0;text-align:center}.dialog-icon{color:#e6a23c;display:block;font-size:64px;margin-bottom:20px}.dialog-message{color:#606266;font-size:16px;line-height:1.8}.dialog-message .main-text{color:#303133;font-size:18px;font-weight:600;margin:0 0 15px}.dialog-message .account-info{background:#f5f7fa;border-radius:6px;color:#606266;font-size:15px;margin:15px 0;padding:12px 20px}.dialog-message .account-info .username{color:#667eea;font-size:16px;font-weight:600;margin-left:5px}.dialog-message .sub-text{color:#909399;font-size:14px;margin:15px 0 0}.token-expired-dialog .dialog-footer{padding:10px 0;text-align:center}.token-expired-dialog .el-button{border:none;border-radius:4px;font-size:16px;padding:12px 40px}.token-expired-dialog .el-button:hover{box-shadow:0 4px 12px rgba(102,126,234,.4);transform:translateY(-2px)}.primary-color{color:#409eff}.bg-primary{background-color:#409eff}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.flex{display:flex}.flex-center{justify-content:center}.flex-between,.flex-center{align-items:center;display:flex}.flex-between{justify-content:space-between}.flex-around{align-items:center;display:flex;justify-content:space-around}.flex-column{display:flex;flex-direction:column}.mb-20{margin-bottom:20px}.mt-20{margin-top:20px}.p-20{padding:20px}.rounded{border-radius:8px}.shadow{box-shadow:0 2px 12px 0 rgba(0,0,0,.1)}.exam-container{margin:0 auto;max-width:1200px;padding:20px}.exam-card{background:#fff;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.08);margin-bottom:20px;padding:24px}.exam-title{color:#303133;font-size:24px;font-weight:700;margin-bottom:20px;text-align:center}.exam-subtitle{color:#606266;font-size:18px;margin-bottom:16px}.exam-content{color:#606266;font-size:16px;line-height:1.6}.progress-container{margin:20px 0}.progress-text{color:#909399;display:flex;font-size:14px;justify-content:space-between;margin-bottom:8px}.exam-btn{border:none;border-radius:8px;cursor:pointer;font-size:16px;font-weight:500;padding:12px 24px;transition:all .3s}.exam-btn-primary{background:#409eff;color:#fff}.exam-btn-primary:hover{background:#66b1ff}.exam-btn-success{background:#67c23a;color:#fff}.exam-btn-success:hover{background:#85ce61}.exam-btn-warning{background:#e6a23c;color:#fff}.exam-btn-warning:hover{background:#ebb563}.exam-btn-danger{background:#f56c6c;color:#fff}.exam-btn-danger:hover{background:#f78989}@media (max-width:768px){.exam-container{padding:10px}.exam-card{padding:16px}.exam-title{font-size:20px}}