.operation-manual-page{max-width:1200px;margin:0 auto;padding:100px 40px 48px;min-height:calc(100vh - 207px);display:flex;flex-direction:column;align-items:center;box-sizing:border-box}.operation-manual-title{font-size:22px;font-weight:600;margin:0 0 8px}.operation-manual-meta{color:#909399;font-size:13px;margin-bottom:24px}.catalog-wrap.wrap-catelog{z-index:1;top:180px;max-height:calc(100vh - 120px);overflow-y:auto}.detail-content{background-color:#fff}@media (max-width:1280px){.catalog-wrap.wrap-catelog{right:20px}}