#app,body,html{height:100%;margin:0}body{overflow:hidden}#app{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Arial,sans-serif;color:#303133}.app-shell{min-height:100vh;background:#f4f7fb}.app-aside{position:fixed;left:0;top:0;bottom:0;z-index:1000;width:232px!important;background:#263445;box-shadow:2px 0 10px rgba(19,32,48,.08);overflow-y:auto;overflow-x:hidden}.brand{height:68px;padding:0 18px;background:#202c3b;color:#fff}.brand,.brand-mark{display:flex;align-items:center}.brand-mark{width:38px;height:38px;border-radius:12px;justify-content:center;margin-right:10px;background:linear-gradient(135deg,#409eff,#67c23a);font-weight:700;box-shadow:0 6px 16px rgba(64,158,255,.28)}.brand-title{font-size:16px;font-weight:700;line-height:20px}.brand-subtitle{font-size:12px;color:#9fb2c8;margin-top:2px}.side-menu{border-right:none;padding:10px 0 18px}.menu-group{padding:16px 22px 8px;font-size:12px;color:#7f93aa;letter-spacing:1px}.el-menu-item{height:44px;line-height:44px;margin:2px 10px;border-radius:8px}.el-menu-item i{margin-right:8px}.el-menu-item.is-active{background:rgba(64,158,255,.12)!important;font-weight:600}.app-main{min-width:0;margin-left:232px;min-height:100vh;width:calc(100vw - 232px)}.app-header{position:sticky;top:0;z-index:900;height:68px!important;background:#fff;border-bottom:1px solid #ebeef5;display:flex;align-items:center;justify-content:space-between;padding:0 24px;box-shadow:0 1px 4px rgba(0,21,41,.04)}.app-header h2{margin:0;font-size:20px;color:#1f2d3d}.app-header p{margin:5px 0 0;font-size:13px;color:#909399}.header-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.header-time{font-size:13px;color:#909399}.app-content{height:calc(100vh - 68px);overflow-y:auto;overflow-x:hidden;background:#f4f7fb;padding:20px}.el-card{border:none;border-radius:12px}.el-card__header{padding:15px 18px;border-bottom:1px solid #edf0f5}