*{margin:0;padding:0;box-sizing:border-box}
html,body,#app{height:100%}
.login-container{height:100vh;display:flex;align-items:center;justify-content:center;background:#f5f7fa}
.login-card{width:400px;padding:40px;background:#fff;border-radius:8px;box-shadow:0 2px 12px rgba(0,0,0,.1)}
.login-card h2{text-align:center;margin-bottom:24px}
.app-layout{height:100vh}
.app-layout .el-container{height:100%}
.app-layout .el-aside{background:#304156;overflow:hidden}
.logo{height:56px;line-height:56px;text-align:center;color:#fff;font-size:18px;font-weight:bold;background:#2b2f3a}
.header-content{height:100%;display:flex;align-items:center;justify-content:flex-end;gap:16px;padding-right:16px}
.el-main{background:#f0f2f5}