全屏

  <el-row class="bg-indigo-500 min-h-screen">
    <el-col :span="16" class="flex items-center justify-center">
      <div class="flex-col">
        <div class="text-5xl font-bold text-light-50 mb-8">欢迎回来</div>
        <div class="text-sm text-gray-100">烽火运维系统</div>
      </div>
    </el-col>

min-h-screen 全屏 windicss = style=“min-heiht:100vh;”