368 lines
8.0 KiB
Vue
368 lines
8.0 KiB
Vue
<template>
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<div class="puzzle-container">
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<div class="puzzle-box" :style="{ height: boxHeight + 'px' }">
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<!-- 背景图 -->
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<img :src="bgImageUrl" style="width: 320px;height: 191px;" ref="bgImage" @load="onImageLoad" @error="handleImageError">
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<!-- 滑块 -->
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<img
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class="slider-block"
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:src="sliderImageUrl"
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:style="{
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top: `${blockY}px`,
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left: `${moveX}px`,
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visibility: loaded ? 'visible' : 'hidden',
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width: '50px',
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height: '50px'
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}"
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></img>
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<div v-if="verifySuccess || verifyError" :class="`text-#fff ${verifySuccess?'bg-#52C41A':'bg-#FF4D4F'} h-24px w-100% text-14px absolute left-0 bottom-0 text-center leading-24px`">{{ verifyTip }}</div>
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</div>
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<!-- 滑动条 -->
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<div class="slider-container">
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<div class="slider-track">
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<div
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class="slider-bar"
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:style="{ width: `${moveX}px` }"
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></div>
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<div
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class="slider-button"
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:style="{ left: `${moveX}px` }"
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@mousedown="handleMouseDown"
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@touchstart="handleTouchStart"
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>
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<div class="slider-icon"></div>
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</div>
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</div>
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</div>
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</div>
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</template>
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<script setup>
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import { ref, onMounted, onBeforeUnmount } from 'vue'
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const props = defineProps({
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show: {
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type: Boolean,
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default: false
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},
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blockY: {
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type: Number,
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required: true
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},
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bgImageUrl: {
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type: String,
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required: true
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},
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sliderImageUrl: {
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type: String,
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required: true
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}
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})
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const emit = defineEmits(['leave'])
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// 响应式状态
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const moveX = ref(0)
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const startX = ref(0)
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const oldMoveX = ref(0)
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const maxMoveX = ref(0)
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const boxHeight = ref(0)
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const loaded = ref(false)
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const isDragging = ref(false)
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const verifySuccess = ref(false)
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const verifyError = ref(false)
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const verifyTip = ref('')
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// 重置方法
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const reset = () => {
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moveX.value = 0
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verifySuccess.value = false
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verifyError.value = false
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verifyTip.value = ''
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isDragging.value = false
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}
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// DOM引用
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const bgImage = ref(null)
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// 方法
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const onImageLoad = () => {
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if (bgImage.value) {
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try {
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const img = bgImage.value
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// 确保图片已经完全加载
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if (!img.complete) {
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return
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}
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const scale = img.width / img.naturalWidth // 计算图片缩放比例
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boxHeight.value = img.height
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// 根据图片实际显示大小调整滑块大小
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const blockSize = Math.round(50 * scale)
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document.documentElement.style.setProperty('--block-size', blockSize + 'px')
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maxMoveX.value = img.width - blockSize // 使用实际显示的滑块大小计算最大移动距离
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loaded.value = true
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} catch (error) {
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console.error('Image load error:', error)
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// 设置默认值以确保组件仍然可用
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const defaultBlockSize = 50
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document.documentElement.style.setProperty('--block-size', defaultBlockSize + 'px')
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maxMoveX.value = 320 - defaultBlockSize // 使用默认容器宽度
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loaded.value = true
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}
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}
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}
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// 添加图片错误处理
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const handleImageError = () => {
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console.error('Image failed to load')
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// 设置默认值以确保组件仍然可用
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const defaultBlockSize = 50
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document.documentElement.style.setProperty('--block-size', defaultBlockSize + 'px')
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maxMoveX.value = 320 - defaultBlockSize
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loaded.value = true
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}
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const handleMouseDown = (event) => {
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event.preventDefault()
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startX.value = event.clientX
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oldMoveX.value = moveX.value
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isDragging.value = true
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}
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const handleTouchStart = (event) => {
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event.preventDefault()
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const touch = event.touches[0]
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startX.value = touch.clientX
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oldMoveX.value = moveX.value
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isDragging.value = true
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}
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const move = (clientX) => {
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let diff = clientX - startX.value
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let newMoveX = oldMoveX.value + diff
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// 限制移动范围
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if (newMoveX < 0) newMoveX = 0
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if (newMoveX > maxMoveX.value) newMoveX = maxMoveX.value
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moveX.value = Math.round(newMoveX) // 取整数避免小数点导致的模糊
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}
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const handleMouseMove = (event) => {
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if (!isDragging.value) return
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move(event.clientX)
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}
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const handleTouchMove = (event) => {
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if (!isDragging.value) return
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event.preventDefault() // 防止页面滚动
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move(event.touches[0].clientX)
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}
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const handleMouseUp = async () => {
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if (!isDragging.value) return
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isDragging.value = false
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try {
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emit('leave', moveX.value, (success) => {
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if (success) {
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verifySuccess.value = true
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verifyError.value = false
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verifyTip.value = '验证成功'
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} else {
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verifySuccess.value = false
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verifyError.value = true
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verifyTip.value = '验证失败'
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}
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})
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} catch (error) {
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verifySuccess.value = false
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verifyError.value = true
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verifyTip.value = '验证失败'
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}finally{
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setTimeout(() => {
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reset()
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}, 2000)
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}
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}
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const handleTouchEnd = () => {
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handleMouseUp()
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}
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// 预加载图片
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const preloadImages = () => {
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const bgImg = new Image()
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const sliderImg = new Image()
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bgImg.onload = () => {
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if (bgImage.value) {
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onImageLoad()
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}
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}
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bgImg.src = props.bgImageUrl
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sliderImg.src = props.sliderImageUrl
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}
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// 生命周期钩子
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onMounted(() => {
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preloadImages()
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window.addEventListener('mousemove', handleMouseMove)
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window.addEventListener('mouseup', handleMouseUp)
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window.addEventListener('touchmove', handleTouchMove)
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window.addEventListener('touchend', handleTouchEnd)
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})
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onBeforeUnmount(() => {
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window.removeEventListener('mousemove', handleMouseMove)
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window.removeEventListener('mouseup', handleMouseUp)
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window.removeEventListener('touchmove', handleTouchMove)
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window.removeEventListener('touchend', handleTouchEnd)
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})
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</script>
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<style scoped>
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:root {
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--block-size: 50px;
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}
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.puzzle-container {
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position: relative;
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margin: 0 auto;
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background: #fff;
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padding: 15px;
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border-radius: 10px;
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touch-action: none;
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-webkit-touch-callout: none;
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-webkit-user-select: none;
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user-select: none;
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}
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.puzzle-box {
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position: relative;
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width: 100%;
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overflow: hidden;
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background: #f8f8f8;
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border-radius: 8px;
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touch-action: none;
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}
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.bg-image {
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display: block;
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width: 100%;
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height: auto;
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-webkit-user-select: none;
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user-select: none;
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pointer-events: none;
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object-fit: contain;
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max-width: 100%;
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-webkit-touch-callout: none;
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-webkit-tap-highlight-color: transparent;
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}
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.slider-block {
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position: absolute;
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width: var(--block-size);
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height: var(--block-size);
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background-size: 100% 100%;
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background-repeat: no-repeat;
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background-position: center;
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cursor: pointer;
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-webkit-user-select: none;
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user-select: none;
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touch-action: none;
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will-change: transform;
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transform: translateZ(0);
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backface-visibility: hidden;
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-webkit-touch-callout: none;
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-webkit-tap-highlight-color: transparent;
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}
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.slider-container {
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position: relative;
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margin-top: 15px;
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height: 40px;
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touch-action: none;
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}
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.slider-track {
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position: relative;
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height: 40px;
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background: #f5f5f5;
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border-radius: 20px;
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touch-action: none;
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}
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.slider-bar {
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position: absolute;
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width: 100%;
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height: 100%;
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background: #91d5ff;
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border-radius: 20px;
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will-change: transform;
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transform-origin: left;
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}
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.slider-button {
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position: absolute;
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top: 0;
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width: 40px;
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height: 40px;
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background: #fff;
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border-radius: 50%;
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box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
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cursor: pointer;
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will-change: transform;
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transform: translateZ(0);
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backface-visibility: hidden;
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}
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.slider-icon {
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position: absolute;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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width: 20px;
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height: 20px;
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background: #1890ff;
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border-radius: 50%;
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}
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.verify-result-bar {
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position: absolute;
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left: 0;
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top: 0;
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width: 100%;
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height: 40px;
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line-height: 40px;
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text-align: center;
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font-size: 14px;
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border-radius: 20px;
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transition: all 0.3s;
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z-index: 1;
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}
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.verify-result-bar.success {
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background: #52c41a;
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color: #fff;
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}
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.verify-result-bar.error {
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background: #ff4d4f;
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color: #fff;
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}
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/* 移除旧的提示样式 */
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.verify-tip {
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display: none;
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}
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</style>
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