249 lines
11 KiB
Vue
249 lines
11 KiB
Vue
<template>
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<div ref="galleryRef" class="gallery">
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<!-- 标题区 -->
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<div v-reveal="'up'" class="text-center mb-5 px-4">
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<span class="gallery-title calligraphy text-xl text-[#a88c6b] tracking-[0.3em] font-bold block mb-2">{{ page.title }}</span>
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<span class="gallery-subtitle text-[9px] text-[#8A8680] first-letter:uppercase lowercase tracking-[0.4em] block mb-4">{{ page.subtitle }}</span>
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<span class="gallery-desc text-[12px] text-[#6b6863] font-light leading-relaxed mx-auto max-w-[280px] tracking-widest block whitespace-pre-wrap">{{ page.desc }}</span>
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</div>
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<!-- 单图（默认居中卡幅 / 可配置宽度铺满） -->
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<div v-if="page.type === 'single'" v-reveal="{ variant: 'scale', delay: 100 }"
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class="w-full mx-auto mt-6" :class="singleWrapClass" :style="singleWrapStyle">
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<div :class="singleFrameClass"><img :src="page.img1" class="preview-img" decoding="async" @click.stop="previewImage(page.img1)" @load="notifyLayoutChange" /></div>
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</div>
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<!-- 错落双图（交错拼贴：左上大图 + 右下压角叠放，微旋转；clamp 封顶不溢出） -->
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<div v-else-if="page.type === 'overlap'" class="overlap-wrap relative w-full mt-2">
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<div v-reveal="{ variant: 'left', delay: 100 }"
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class="absolute left-0 top-0 w-[72%] h-[78%] z-10 -rotate-2" :class="frameClass">
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<img :src="page.img1" class="preview-img" decoding="async" @click.stop="previewImage(page.img1)" @load="notifyLayoutChange" />
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</div>
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<div v-reveal="{ variant: 'right', delay: 300 }"
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class="absolute right-0 bottom-0 w-[56%] h-[62%] z-20 rotate-3" :class="frameClass">
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<img :src="page.img2" class="preview-img" decoding="async" @click.stop="previewImage(page.img2)" @load="notifyLayoutChange" />
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</div>
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</div>
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<!-- 一大五小 -->
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<div v-else-if="page.type === 'one-large-five-small'"
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class="relative w-full aspect-square mt-6 grid grid-cols-3 grid-rows-3 gap-1.5 z-20">
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<div v-reveal="{ variant: 'scale', delay: 100 }" class="col-span-2 row-span-2 relative" :class="frameClass">
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<img :src="page.images[0]" class="preview-img hover:scale-105 transition-transform duration-1000" decoding="async" @click.stop="previewImage(page.images[0])" @load="notifyLayoutChange" />
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</div>
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<div v-for="i in [1,2,3,4,5]" :key="i" v-reveal="{ variant: 'up', delay: i * 80 }" class="relative" :class="frameClass">
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<img :src="page.images[i]" class="preview-img" decoding="async" @click.stop="previewImage(page.images[i])" @load="notifyLayoutChange" />
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</div>
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</div>
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<!-- 九宫格 -->
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<div v-else-if="page.type === 'nine-grid'" class="nine-grid grid grid-cols-3 gap-1.5 px-4 mt-6">
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<div v-for="(img, imgIdx) in page.images" :key="imgIdx"
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v-reveal="getRevealConfig(imgIdx)"
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class="aspect-square relative" :class="frameClass">
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<img :src="img" class="nine-grid-img preview-img" decoding="async" @click.stop="previewImage(img)" @load="notifyLayoutChange" />
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</div>
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</div>
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<!-- 瀑布流（错落多列） -->
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<div v-else-if="page.type === 'masonry'" class="g-masonry mt-6 px-1">
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<div v-for="(img, imgIdx) in page.images" :key="imgIdx" v-reveal="{ variant: 'up', delay: imgIdx * 50 }"
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class="g-masonry-item" :class="frameClass">
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<img :src="img" class="preview-img" decoding="async" @click.stop="previewImage(img)" @load="notifyLayoutChange" />
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</div>
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</div>
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<!-- 轮播滑动 -->
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<div v-else-if="page.type === 'carousel'" class="relative mt-6">
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<div ref="trackRef" class="g-carousel-track no-scrollbar" @scroll="onScroll">
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<div v-for="(img, imgIdx) in page.images" :key="imgIdx" class="g-carousel-slide" :class="frameClass">
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<img :src="img" class="preview-img" decoding="async" @click.stop="previewImage(img)" @load="notifyLayoutChange" />
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</div>
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</div>
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<button class="g-arrow g-prev" @click="goTo(index - 1)" aria-label="上一张">‹</button>
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<button class="g-arrow g-next" @click="goTo(index + 1)" aria-label="下一张">›</button>
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<div class="g-dots">
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<button v-for="(img, imgIdx) in page.images" :key="imgIdx"
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class="g-dot" :class="{ active: imgIdx === index }" @click="goTo(imgIdx)"></button>
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</div>
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</div>
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<!-- 拍立得拼贴（自带边框，不受 borderStyle 影响） -->
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<div v-else-if="page.type === 'polaroid'" class="g-polaroid mt-6">
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<div v-for="(img, imgIdx) in page.images" :key="imgIdx" v-reveal="{ variant: 'scale', delay: imgIdx * 70 }"
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class="g-polaroid-item" :style="{ transform: polaroidTransform(imgIdx) }">
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<img :src="img" class="preview-img" decoding="async" @click.stop="previewImage(img)" @load="notifyLayoutChange" />
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</div>
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</div>
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<!-- 兜底 -->
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<div v-else class="text-center text-[#8A8680] text-[12px] mt-6">未识别的版式：{{ page.type }}</div>
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</div>
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</template>
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<script setup>
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import { ref, computed } from 'vue'
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import { borderClass } from '@/composables/borderStyles'
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import { useImageWarmup } from '@/composables/useImageWarmup'
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const props = defineProps({
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page: { type: Object, required: true },
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})
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const emit = defineEmits(['preview-image', 'layout-change', 'warmup-change'])
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const galleryRef = ref(null)
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useImageWarmup(galleryRef, {
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onBusyChange: (busy) => emit('warmup-change', busy),
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})
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// 边框样式：前台按 page.borderStyle 套用全局 gf-* 类
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const frameClass = computed(() => borderClass(props.page.borderStyle))
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/* ---------- 单图宽度模式 ---------- */
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// singleWidth: 'default'(居中卡幅) | 'full'(宽度铺满)；singleKeepRatio: 铺满时是否保持原始宽高比
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const singleWrapClass = computed(() =>
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props.page.singleWidth === 'full' ? 'max-w-none' : 'max-w-[300px]'
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)
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const singleWrapStyle = computed(() => {
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if (props.page.singleWidth === 'full') {
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// 沾满宽度：负边距抵消 page-section 的 p-6（24px×2），图片贴到屏幕两缘
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const bleed = { width: 'calc(100% + 48px)', marginLeft: '-24px', marginRight: '-24px' }
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// 保持原始比例 → 高度由图片自然撑开；否则固定 4:5 裁切
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return props.page.singleKeepRatio ? bleed : { ...bleed, aspectRatio: '4 / 5' }
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}
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return { aspectRatio: '4 / 5' }
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})
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// 保持原始比例时 img 需要自然高度（gf-natural 覆盖 gf-frame 的 height:100%）
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const singleFrameClass = computed(() =>
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frameClass.value + (props.page.singleWidth === 'full' && props.page.singleKeepRatio ? ' gf-natural' : '')
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)
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/** 仅高度可能随图片加载变化的版式才通知父级重算 scroll metrics */
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const needsLayoutNotify = computed(() => {
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if (props.page.height === 'auto') return true
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if (props.page.type === 'single' && props.page.singleWidth === 'full' && props.page.singleKeepRatio) return true
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return false
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})
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/* ---------- 轮播状态 ---------- */
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const index = ref(0)
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const trackRef = ref(null)
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function goTo(i) {
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const len = props.page.images?.length || 0
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if (!len) return
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index.value = (i + len) % len
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const el = trackRef.value
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if (el) el.scrollTo({ left: index.value * el.clientWidth, behavior: 'smooth' })
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}
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function onScroll() {
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const el = trackRef.value
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if (!el) return
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const i = Math.round(el.scrollLeft / el.clientWidth)
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if (i !== index.value) index.value = i
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}
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function previewImage(src) {
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if (src) emit('preview-image', src)
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}
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function notifyLayoutChange() {
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if (!needsLayoutNotify.value) return
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emit('layout-change')
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}
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/* ---------- 拍立得旋转/位移 ---------- */
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const polaroidAngles = [-5, 4, -3, 6, -4, 3, -2, 5]
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const polaroidShift = [0, 10, -8, 6, -10, 8, 4, -6]
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function polaroidTransform(i) {
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const a = polaroidAngles[i % polaroidAngles.length]
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const s = polaroidShift[i % polaroidShift.length]
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return `rotate(${a}deg) translateY(${s}px)`
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}
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function getRevealConfig(imgIdx) {
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const row = Math.floor(imgIdx / 3)
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const col = imgIdx % 3
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// 正中心：用 scale 代替 blur，避免大图 filter 动画与解码叠峰
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if (imgIdx === 4) {
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return {
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variant: 'scale',
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delay: 200,
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}
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}
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// 中间列：上 → down，下 → up
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if (col === 1) {
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return {
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variant: row === 0 ? 'down' : 'up',
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delay: 80 + imgIdx * 50,
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}
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}
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// 左右列
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return {
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variant: col === 0 ? 'left' : 'right',
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delay: 80 + ((imgIdx + 80) * 20),
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}
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}
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</script>
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<style scoped>
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.gallery { width: 100%; font-family: var(--font-sans); }
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.preview-img { cursor: zoom-in; }
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.gallery-title {
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font-family: var(--font-calligraphy);
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font-weight: 700;
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}
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.gallery-desc { font-family: var(--font-kai); }
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.nine-grid-img {
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width: 100%;
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height: 100%;
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object-fit: cover;
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transform: translateZ(0);
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transition: transform 420ms ease-out;
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backface-visibility: hidden;
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}
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.nine-grid-img:hover { transform: translateZ(0) scale(1.03); }
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/* 错落双图：高度随视口缩放并封顶，保证标题+图片总高始终落在页高预算内 */
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.overlap-wrap { height: clamp(320px, 54vh, 460px); }
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/* 瀑布流 */
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.g-masonry { column-count: 2; column-gap: 10px; }
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.g-masonry-item { break-inside: avoid; margin-bottom: 10px; border-radius: 6px; }
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/* 轮播 */
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.g-carousel-track {
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display: flex; overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
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border-radius: 10px; scrollbar-width: none;
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}
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.g-carousel-slide { flex: 0 0 100%; min-width: 100%; height: 52vh; scroll-snap-align: center; }
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.g-carousel-slide img { width: 100%; height: 100%; object-fit: cover; }
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.g-arrow {
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position: absolute; top: 50%; transform: translateY(-50%);
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width: 34px; height: 34px; border-radius: 9999px; border: none;
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background: rgba(255,255,255,0.78); color: #a88c6b; font-size: 20px; line-height: 1;
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display: flex; align-items: center; justify-content: center; cursor: pointer;
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box-shadow: 0 2px 8px rgba(0,0,0,0.12); backdrop-filter: blur(6px);
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}
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.g-prev { left: 8px; }
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.g-next { right: 8px; }
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.g-dots { display: flex; justify-content: center; gap: 6px; margin-top: 10px; }
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.g-dot { width: 7px; height: 7px; border-radius: 9999px; border: none; background: rgba(168,140,107,0.3); padding: 0; cursor: pointer; transition: all 0.3s; }
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.g-dot.active { background: #a88c6b; width: 18px; border-radius: 9999px; }
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/* 拍立得 */
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.g-polaroid { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 10px; padding: 14px 4px 4px; }
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.g-polaroid-item {
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width: 42%; background: #fff; padding: 8px 8px 24px; border-radius: 2px;
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box-shadow: 0 6px 16px rgba(0,0,0,0.12); transition: transform 0.4s ease;
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}
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.g-polaroid-item:hover { z-index: 10; }
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.g-polaroid-item img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; display: block; }
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.no-scrollbar::-webkit-scrollbar { display: none; }
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</style>
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