*{margin:0;padding:0;box-sizing:border-box}#app,body,html{height:100%}.app-wrapper{height:100vh}.sidebar{background-color:#001529;transition:width .3s;overflow:hidden}.logo{height:60px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;font-weight:700;gap:8px;background:#002140}.logo i{font-size:22px;color:#409eff}.el-menu{border-right:none}.header{background:#fff;display:flex;align-items:center;gap:16px;box-shadow:0 1px 4px rgba(0,21,41,.08);padding:0 20px}.toggle-btn{font-size:20px;cursor:pointer;color:#606266}.toggle-btn:hover{color:#409eff}.breadcrumb{flex:1}.user-info{margin-left:auto}.user-name{cursor:pointer;color:#606266;font-size:14px;display:flex;align-items:center;gap:4px}.user-name:hover{color:#409eff}.main-content{background:#f0f2f5;padding:20px}