html,body,#app{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif;background:#f5f7fa}.app-container{min-height:100vh}.app-header{display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid #ebeef5;padding:0 24px}.brand-title{font-size:18px;font-weight:600;margin-right:8px}.brand-sub{color:#909399;font-size:12px}.app-menu{border-bottom:none;flex:1;margin-left:24px}.user-drop{margin-left:12px;cursor:pointer}.user-drop-trigger{display:inline-flex;align-items:center;gap:8px}.user-name{font-size:14px;color:#303133}.fade-enter-active,.fade-leave-active{transition:opacity .18s ease}.fade-enter-from,.fade-leave-to{opacity:0}