dianshang-qianduan/src/views/components/TrainingIntro.vue

<template>
    <section class="training-intro">
        <div class="training-intro__head">
            <div>
                <p class="training-intro__eyebrow">Training Brief</p>
                <h2>{{ displayTitle }}</h2>
            </div>
            <span class="training-intro__hint">实训说明</span>
        </div>
        <TrainingTaskBrief :background="briefBackground" :goals="remoteGoals" :requirements="briefRequirements"
            :material-name="remoteTask?.materialName" :material-url="remoteTask?.materialUrl" />

        <nav v-if="remoteSteps.length" class="step-indicator training-intro__steps" aria-label="实训步骤">
            <button v-for="(step, index) in remoteSteps" :key="`${step}-${index}`" type="button"
                :class="['step-tab', { active: activeStep === index }]" @click="activeStep = index">
                <span>{{ step }}</span>
            </button>
        </nav>
    </section>
</template>

<script setup>
import { getTrainingTaskByKey } from "@/api/trainingTask"
import { parseTrainingArray, resolveTrainingTaskKey } from "@/views/training/taskKeyMap"
import TrainingTaskBrief from "@/views/components/TrainingTaskBrief.vue"

const route = useRoute()

const props = defineProps({
    title: {
        type: String,
        default: "实训任务",
    },
    taskKey: {
        type: String,
        default: "",
    },
})

const remoteTask = ref(null)
const activeStep = ref(0)
const currentTaskKey = computed(() => resolveTrainingTaskKey(route, props.taskKey))
const displayTitle = computed(() => remoteTask.value?.taskName || props.title)
const remoteGoals = computed(() => parseTrainingArray(remoteTask.value?.objectives))
const remoteSteps = computed(() => parseTrainingArray(remoteTask.value?.steps).slice(0, 4))
const briefBackground = computed(() => remoteTask.value?.background || "")
const briefRequirements = computed(() => remoteTask.value?.requirements || "")

watch(
    () => currentTaskKey.value,
    loadRemoteTask,
    { immediate: true }
)

async function loadRemoteTask(taskKey) {
    remoteTask.value = null
    if (!taskKey) return
    try {
        const res = await getTrainingTaskByKey(taskKey)
        remoteTask.value = res?.data || null
    } catch (error) {
        remoteTask.value = null
    }
}
</script>

<style lang="scss" scoped>
/* 教育蓝 · 精炼文档风：纯白画布 + 教育蓝点缀（对齐 new-product-survey） */
.training-intro {
    margin-bottom: 24px;
    overflow: hidden;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    background: #ffffff;
    box-shadow: none;

    &__head {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 18px 20px 14px 24px;
        border-bottom: 1px solid #e5e7eb;
        position: relative;

        &::before {
            content: "";
            position: absolute;
            top: 0;
            bottom: 0;
            left: 0;
            width: 4px;
            background: #2563eb;
        }

        h2 {
            margin: 4px 0 0;
            color: #1f2937;
            font-size: var(--student-fs-display);
            line-height: 1.4;
            font-weight: 700;
            letter-spacing: -0.01em;
        }
    }

    &__eyebrow {
        margin: 0;
        color: #2563eb;
        font-size: var(--student-fs-caption);
        font-weight: 700;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        font-family: var(--student-font-data);
    }

    &__hint {
        flex: 0 0 auto;
        padding: 4px 10px;
        border: 1px solid #bfdbfe;
        border-radius: 999px;
        color: #1d4ed8;
        background: #eff6ff;
        font-size: var(--student-fs-caption);
        font-weight: 600;
    }

    &__body {
        display: grid;
        gap: 14px;
        margin: 0 24px 24px;
        padding: 18px 20px;
        border: 1px solid #e5e7eb;
        border-radius: 10px;
        background: #fafbfc;
        color: #374151;
        font-size: var(--student-fs-body);
        line-height: 1.65;

        p,
        ol {
            margin: 0;
        }

        ol {
            padding-left: 18px;
        }
    }

    &__section+&__section {
        padding-top: 12px;
        border-top: 1px solid #e5e7eb;
    }

    &__subtitle {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 8px;
        color: #1f2937;
        font-weight: 700;
    }

    &__steps {
        margin: 0 24px 20px !important;
    }
}

/* 步骤导航：胶囊分段 + 教育蓝激活态（覆盖全局墨黑 !important 规则） */
.training-intro__steps.step-indicator {
    display: flex !important;
    flex-wrap: nowrap !important;
    align-items: stretch !important;
    justify-content: center !important;
    gap: 0 !important;
    width: auto !important;
    padding: 0 !important;
    border: none !important;
    border-radius: 0 !important;
    background: transparent !important;
    box-shadow: none !important;

    .step-tab {


        min-width: 0 !important;
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 8px !important;
        height: auto !important;
        min-height: 40px !important;
        margin: 0 !important;
        padding: 8px 14px !important;
        border: 1px solid #e5e7eb !important;
        border-right: none !important;
        border-radius: 0 !important;
        background: #ffffff !important;
        box-shadow: none !important;
        color: #6b7280 !important;
        font-size: var(--student-fs-body) !important;
        font-weight: 600 !important;
        line-height: 1.3 !important;
        white-space: normal !important;
        text-align: center !important;
        cursor: pointer;
        transition: all 0.16s ease !important;

        &:first-child {
            border-radius: 8px 0 0 8px !important;
        }

        &:last-child {
            border-radius: 0 8px 8px 0 !important;
            border-right: 1px solid #e5e7eb !important;
        }

        &:hover:not(.active) {
            border-color: #2563eb !important;
            background: #eff6ff !important;
            color: #2563eb !important;
            position: relative;
            z-index: 1;
        }

        &.active {
            border-color: #2563eb !important;
            background: #2563eb !important;
            color: #ffffff !important;
            font-weight: 700 !important;
            position: relative;
            z-index: 2;

            &:hover {
                background: #1d4ed8 !important;
                border-color: #1d4ed8 !important;
            }
        }
    }
}
</style>