style: award主页动画

src/views/AwardPage/components/Bloom.vue

@@ -26,13 +26,105 @@
 </template>
 
 <script setup lang="ts">
-		import { ref, onMounted } from 'vue'
-		import gsap from 'gsap'
+	import { ref, onMounted, onBeforeUnmount, nextTick } from 'vue'
+	import { gsap } from 'gsap'
 
-		const titleRef = ref<HTMLElement | null>(null)
-		const subtitleRef = ref<HTMLElement | null>(null)
-		const textRef = ref<HTMLElement | null>(null)
+	const titleRef = ref<HTMLElement | null>(null)
+	const subtitleRef = ref<HTMLElement | null>(null)
+	const textRef = ref<HTMLElement | null>(null)
 
+	const hasPlayedBloomAnim = ref(false)
+	let bloomObserver: IntersectionObserver | null = null
+
+	const setupBloomInitialState = () => {
+		const titleEls = [titleRef.value, subtitleRef.value].filter(Boolean) as HTMLElement[]
+		if (titleEls.length) {
+			gsap.set(titleEls, {
+				opacity: 0,
+				// start larger than final size, then animate down to scale:1
+				scale: 1.6,
+				transformOrigin: '50% 50%'
+			})
+		}
+
+		if (textRef.value) {
+			// start below and hidden
+			gsap.set(textRef.value, {
+				opacity: 0,
+				y: 60
+			})
+		}
+	}
+
+	const playBloomAnimation = () => {
+		if (hasPlayedBloomAnim.value) return
+		const titleEls = [titleRef.value, subtitleRef.value].filter(Boolean) as HTMLElement[]
+		const textEl = textRef.value
+		if (!titleEls.length || !textEl) return
+
+		const tl = gsap.timeline({ defaults: { ease: 'power2.out' } })
+
+		tl.to(titleEls, {
+			opacity: 1,
+			scale: 1,
+			duration: 0.9,
+			ease: 'back.out(1.6)',
+			stagger: 0.12
+		})
+
+		tl.to(
+			textEl,
+			{
+				opacity: 1,
+				y: -12,
+				scale: 1.05,
+				duration: 0.3,
+				ease: 'power2.out'
+			},
+			'+=0.12'
+		)
+		tl.to(
+			textEl,
+			{
+				y: 0,
+				scale: 1,
+				duration: 0.18,
+				ease: 'bounce.out'
+			},
+			'+=0.08'
+		)
+
+		hasPlayedBloomAnim.value = true
+		bloomObserver?.disconnect()
+	}
+
+	onMounted(() => {
+		nextTick(() => {
+			setupBloomInitialState()
+			if ('IntersectionObserver' in window) {
+				bloomObserver = new IntersectionObserver(
+					(entries) => {
+						entries.forEach((entry) => {
+							if (entry.isIntersecting) {
+								playBloomAnimation()
+							}
+						})
+					},
+					{ threshold: 0.3 }
+				)
+				if (titleRef.value) {
+					bloomObserver.observe(titleRef.value)
+				}
+			} else {
+				// fallback
+				playBloomAnimation()
+			}
+		})
+	})
+
+	onBeforeUnmount(() => {
+		bloomObserver?.disconnect()
+	})
 
 </script>
 
@@ -66,3 +158,4 @@
 		}
 	}
 </style>
+

src/views/AwardPage/components/Slogan.vue

@@ -0,0 +1,149 @@
+<template>
+	<div class="blocks-list flex" ref="root" :class="{ 'in-view': inView }">
+		<div
+			class="block-item flex flex-col flex-center"
+			v-for="(item, idx) in blocksList"
+			:key="item.number"
+			:style="{ '--delay': `${idx * 0.18}s` }"
+		>
+			<div class="number">{{ item.number }}</div>
+			<div class="label">{{ item.label }}</div>
+			<div class="line"></div>
+		</div>
+	</div>
+</template>
+
+<script setup lang="ts">
+	import { ref, onMounted, onUnmounted } from 'vue'
+
+	const blocksList = ref([
+		{
+			number: 'NETWORKING\n OPPORTUNITIES',
+			label: 'with international\nmedia and designers'
+		},
+		{
+			number: 'INTERNATIONAL\nMEDIA EXPOSE',
+			label: 'through\nleading outlets'
+		},
+		{
+			number: 'UP TO\nUS$9000',
+			label: 'in total prize\npool awards'
+		},
+		{
+			number: 'TRAVEL\NALLOWANCE',
+			label: 'for finalists to attend\naward ceremony'
+		}
+	])
+	const root = ref<HTMLElement | null>(null)
+	const inView = ref(false)
+	let io: IntersectionObserver | null = null
+
+	onMounted(() => {
+		io = new IntersectionObserver(
+			(entries) => {
+				for (const entry of entries) {
+					if (entry.isIntersecting) {
+						// 延迟 0.5s 后触发动画并断开观察
+						setTimeout(() => {
+							inView.value = true
+						}, 500)
+						if (io) {
+							io.disconnect()
+						}
+					}
+				}
+			},
+			{ threshold: 0.05 }
+		)
+		if (root.value) {
+			io.observe(root.value)
+		}
+	})
+
+	onUnmounted(() => {
+		io?.disconnect()
+	})
+</script>
+
+<style lang="less" scoped>
+	.blocks-list {
+		height: 31.4rem;
+		background: linear-gradient(98.55deg, #232323 18.22%, #898989 101.1%);
+
+		.block-item {
+			flex: 1;
+			height: 100%;
+			color: #fff;
+			position: relative;
+			text-align: center;
+			white-space: pre-line;
+			row-gap: 3rem;
+			/* text scale-in animations */
+			.number {
+				font-size: 3.6rem;
+				font-family: 'PoppinsBold';
+				font-weight: 600;
+				transform: scale(0);
+				opacity: 0;
+				will-change: transform, opacity;
+			}
+			.label {
+				font-size: 2.4rem;
+				font-family: 'Arial';
+				font-weight: 400;
+				letter-spacing: 0.05em;
+				transform: scale(0);
+				opacity: 0;
+				will-change: transform, opacity;
+			}
+			/* vertical line grows top -> bottom */
+			.line {
+				position: absolute;
+				right: 0;
+				/* 固定 top 为最终高度的一半位置，这样 height 从 0 -> 27.4rem 时会从上向下增长 */
+				top: calc(50% - 13.7rem);
+				width: 0.1rem;
+				height: 0;
+				background-color: #8d8d8d;
+				will-change: height;
+			}
+		}
+	}
+
+	/* 当组件进入视口并且等待 0.5s 后，.in-view 会加入根节点，下面规则触发动画 */
+	.in-view .block-item .number {
+		animation: scaleIn 0.48s cubic-bezier(.2,.9,.2,1) forwards;
+		animation-delay: var(--delay);
+	}
+
+	.in-view .block-item .label {
+		animation: scaleIn 0.48s cubic-bezier(.2,.9,.2,1) forwards;
+		animation-delay: calc(var(--delay) + 0.12s);
+	}
+
+	.in-view .block-item .line {
+		animation: growLine 0.7s cubic-bezier(.2,.9,.2,1) forwards;
+		animation-delay: calc(var(--delay) + 0.18s);
+	}
+
+	/* keyframes */
+	@keyframes scaleIn {
+		from {
+			transform: scale(0);
+			opacity: 0;
+		}
+		to {
+			transform: scale(1);
+			opacity: 1;
+		}
+	}
+
+	@keyframes growLine {
+		from {
+			height: 0;
+		}
+		to {
+			height: 27.4rem;
+		}
+	}
+</style>

src/views/AwardPage/index.vue

@@ -14,18 +14,8 @@
 				<div class="ddl">Application Deadline:15th March 2026</div>
 			</div>
 		</div>
-		<div class="blocks-list flex">
-			<div
-				class="block-item flex flex-col flex-center"
-				v-for="item in blocksList"
-				:key="item.number"
-			>
-				<div class="number">{{ item.number }}</div>
-				<div class="label">{{ item.label }}</div>
-				<div class="line"></div>
-			</div>
-		</div>
 
+		<Slogan />
 		<Bloom />
 		<TimeLine />
 		<JudgesSection />
@@ -44,31 +34,13 @@
 	import PrizesSection from './components/PrizesSection.vue'
 	import TimeLine from './components/TimeLine.vue'
 	import Bloom from './components/Bloom.vue'
+	import Slogan from './components/Slogan.vue'
 
 	const router = useRouter()
 
 	const handleSubmitApplication = () => {
 		router.push('/award/contestants')
 	}
-
-	const blocksList = ref([
-		{
-			number: 'NETWORKING\n OPPORTUNITIES',
-			label: 'with international\nmedia and designers'
-		},
-		{
-			number: 'INTERNATIONAL\nMEDIA EXPOSE',
-			label: 'through\nleading outlets'
-		},
-		{
-			number: 'UP TO\nUS$9000',
-			label: 'in total prize\npool awards'
-		},
-		{
-			number: 'TRAVEL\NALLOWANCE',
-			label: 'for finalists to attend\naward ceremony'
-		}
-	])
 </script>
 
 <style lang="less" scoped>
@@ -121,38 +93,4 @@
 			}
 		}
 	}
-	.blocks-list {
-		height: 31.4rem;
-		background: linear-gradient(98.55deg, #232323 18.22%, #898989 101.1%);
-
-		.block-item {
-			flex: 1;
-			height: 100%;
-			color: #fff;
-			position: relative;
-			text-align: center;
-			white-space: pre-line;
-			row-gap: 3rem;
-			.number {
-				font-size: 3.6rem;
-				font-family: 'PoppinsBold';
-				font-weight: 600;
-			}
-			.label {
-				font-size: 2.4rem;
-				font-family: 'Arial';
-				font-weight: 400;
-				letter-spacing: 0.05em;
-			}
-			.line {
-				position: absolute;
-				bottom: 50%;
-				right: 0;
-				transform: translate(0, 50%);
-				width: 0.1rem;
-				height: 27.4rem;
-				background-color: #8d8d8d;
-			}
-		}
-	}
 </style>