<script setup>
    const state = reactive({
        jumpTime: 5,
        oops: '抱歉!',
        headline: '当前页面不存在...',
        info: '请检查您输入的网址是否正确，或点击下面的按钮返回首页。',
        btn: '返回首页',
    })
</script>

<template>
    <div class="error-container">
        <div class="error-content">
            <el-row :gutter="20">
                <el-col :lg="12" :md="12" :sm="24" :xl="12" :xs="24">
                    <div class="pic-error">
                        <el-image
                            class="pic-error-parent"
                            :src="require('@/assets/error_images/404.png')"
                        />
                        <el-image
                            class="pic-error-child left"
                            :src="require('@/assets/error_images/cloud.png')"
                        />
                    </div>
                </el-col>

                <el-col :lg="12" :md="12" :sm="24" :xl="12" :xs="24">
                    <div class="bullshit">
                        <div class="bullshit-oops">{{ state.oops }}</div>
                        <div class="bullshit-headline">
                            {{ state.headline }}
                        </div>
                        <div class="bullshit-info">{{ state.info }}</div>
                        <router-link v-slot="{ navigate }" custom to="/">
                            <a class="bullshit-return-home" @click="navigate">
                                {{ state.btn }}
                            </a>
                        </router-link>
                    </div>
                </el-col>
            </el-row>
        </div>
    </div>
</template>

<style lang="scss" scoped>
    .error-container {
        position: relative;
        min-height: 100vh;

        .error-content {
            position: absolute;
            top: 55%;
            left: 50%;
            width: 40vw;
            height: 400px;
            transform: translate(-50%, -50%);

            .pic-error {
                position: relative;
                float: left;
                width: 100%;
                overflow: hidden;

                &-parent {
                    width: 100%;
                }

                &-child {
                    position: absolute;

                    &.left {
                        top: 17px;
                        left: 220px;
                        width: 80px;
                        opacity: 0;
                        animation-name: cloud-left;
                        animation-duration: 2s;
                        animation-timing-function: linear;
                        animation-delay: 1s;
                        animation-fill-mode: forwards;
                    }

                    @keyframes cloud-left {
                        0% {
                            top: 17px;
                            left: 220px;
                            opacity: 0;
                        }

                        20% {
                            top: 33px;
                            left: 188px;
                            opacity: 1;
                        }

                        80% {
                            top: 81px;
                            left: 92px;
                            opacity: 1;
                        }

                        100% {
                            top: 97px;
                            left: 60px;
                            opacity: 0;
                        }
                    }
                }
            }

            .bullshit {
                position: relative;
                float: left;
                width: 300px;
                padding: 30px 0;
                overflow: hidden;

                &-oops {
                    margin-bottom: 20px;
                    font-size: 32px;
                    font-weight: bold;
                    line-height: 40px;
                    color: var(--el-color-primary);
                    opacity: 0;
                    animation-name: slide-up;
                    animation-duration: 0.5s;
                    animation-fill-mode: forwards;
                }

                &-headline {
                    margin-bottom: 10px;
                    font-size: 20px;
                    font-weight: bold;
                    line-height: 24px;
                    color: #222;
                    opacity: 0;
                    animation-name: slide-up;
                    animation-duration: 0.5s;
                    animation-delay: 0.1s;
                    animation-fill-mode: forwards;
                }

                &-info {
                    margin-bottom: 30px;
                    font-size: 13px;
                    line-height: 21px;
                    color: var(--el-color-grey);
                    opacity: 0;
                    animation-name: slide-up;
                    animation-duration: 0.5s;
                    animation-delay: 0.2s;
                    animation-fill-mode: forwards;
                }

                &-return-home {
                    float: left;
                    display: block;
                    width: 110px;
                    height: 36px;
                    font-size: 14px;
                    line-height: 36px;
                    color: #fff;
                    text-align: center;
                    cursor: pointer;
                    background: var(--el-color-primary);
                    border-radius: 100px;
                    opacity: 0;
                    animation-name: slide-up;
                    animation-duration: 0.5s;
                    animation-delay: 0.3s;
                    animation-fill-mode: forwards;
                }

                @keyframes slide-up {
                    0% {
                        opacity: 0;
                        transform: translateY(60px);
                    }

                    100% {
                        opacity: 1;
                        transform: translateY(0);
                    }
                }
            }
        }
    }
</style>
