.fix-left-catelog{position:fixed;left:0;width:18px;background:#f3f3f3;border:#e1e1e1 solid 1px;top:50%;border-radius:4px;display:flex;justify-content:center;align-items:center;writing-mode:lr-tb;padding:4px;font-size:14px;color:#3b3b3b;cursor:pointer}.operation-manual-page{max-width:1400px;margin:0 auto;padding:100px 40px 48px;min-height:calc(100vh - 207px);display:flex;justify-content:flex-start;gap:10px;box-sizing:border-box}.manual-left{width:261px;box-sizing:border-box;position:relative}.manual-left .catalog-wrap .catalog-title{padding:0 15px;font-weight:700}.manual-left .el-icon-arrow-left{width:20px;height:20px;font-size:16px;display:flex;align-items:center;cursor:pointer}.manual-right{flex:1;display:flex;flex-direction:column;box-sizing:border-box}.operation-manual-title{font-size:22px;font-weight:600;margin:0 0 8px;text-align:center}.operation-manual-meta{color:#909399;font-size:13px;margin-bottom:24px;text-align:center}.catalog-wrap.wrap-catelog{z-index:1;left:0;top:0;max-height:calc(100vh - 120px);overflow-y:auto;position:inherit;border-right:#eee solid 1px;background:#f9f9f9}.catalog-wrap.wrap-catelog .catalog-list{border-left:none}.catalog-wrap.wrap-catelog .selected a{color:#1180ff!important;font-weight:700}.catalog-wrap.wrap-catelog .selected.levelTwo a{color:#1180ff!important;font-weight:700}.detail-content{background-color:#fff}