feat: add count-up animation for homepage statistics

src/components/sections/CompanyIntro.astro

@@ -47,7 +47,7 @@
 					<div class="absolute inset-0 bg-gradient-to-br from-blue-500/20 to-blue-600/5 rounded-2xl blur-xl group-hover:blur-2xl transition-all duration-300"></div>
 					<div class="relative bg-gradient-to-br from-white to-blue-50/30 rounded-2xl p-6 border border-blue-100/50 shadow-lg group-hover:shadow-blue-500/20 group-hover:scale-[1.02] transition-all duration-300">
 						<div class="text-center">
-							<div class="text-4xl md:text-5xl lg:text-6xl font-black text-transparent bg-clip-text bg-gradient-to-r from-blue-600 to-blue-700 mb-3 group-hover:scale-110 transition-transform duration-300">700+</div>
+							<div class="text-4xl md:text-5xl lg:text-6xl font-black text-transparent bg-clip-text bg-gradient-to-r from-blue-600 to-blue-700 mb-3 group-hover:scale-110 transition-transform duration-300 counter" data-target="700" data-suffix="+">0+</div>
 							<div class="text-gray-700 text-sm md:text-base font-medium">视觉理解大模型</div>
 						</div>
 					</div>
@@ -56,7 +56,7 @@
 					<div class="absolute inset-0 bg-gradient-to-br from-blue-500/20 to-blue-600/5 rounded-2xl blur-xl group-hover:blur-2xl transition-all duration-300"></div>
 					<div class="relative bg-gradient-to-br from-white to-blue-50/30 rounded-2xl p-6 border border-blue-100/50 shadow-lg group-hover:shadow-blue-500/20 group-hover:scale-[1.02] transition-all duration-300">
 						<div class="text-center">
-							<div class="text-4xl md:text-5xl lg:text-6xl font-black text-transparent bg-clip-text bg-gradient-to-r from-blue-600 to-blue-700 mb-3 group-hover:scale-110 transition-transform duration-300">99.9%</div>
+							<div class="text-4xl md:text-5xl lg:text-6xl font-black text-transparent bg-clip-text bg-gradient-to-r from-blue-600 to-blue-700 mb-3 group-hover:scale-110 transition-transform duration-300 counter" data-target="99.9" data-suffix="%">0%</div>
 							<div class="text-gray-700 text-sm md:text-base font-medium">SLA 可用性</div>
 						</div>
 					</div>
@@ -65,7 +65,7 @@
 					<div class="absolute inset-0 bg-gradient-to-br from-blue-500/20 to-blue-600/5 rounded-2xl blur-xl group-hover:blur-2xl transition-all duration-300"></div>
 					<div class="relative bg-gradient-to-br from-white to-blue-50/30 rounded-2xl p-6 border border-blue-100/50 shadow-lg group-hover:shadow-blue-500/20 group-hover:scale-[1.02] transition-all duration-300">
 						<div class="text-center">
-							<div class="text-4xl md:text-5xl lg:text-6xl font-black text-transparent bg-clip-text bg-gradient-to-r from-blue-600 to-blue-700 mb-3 group-hover:scale-110 transition-transform duration-300">15+</div>
+							<div class="text-4xl md:text-5xl lg:text-6xl font-black text-transparent bg-clip-text bg-gradient-to-r from-blue-600 to-blue-700 mb-3 group-hover:scale-110 transition-transform duration-300 counter" data-target="15" data-suffix="+">0+</div>
 							<div class="text-gray-700 text-sm md:text-base font:medium">合作伙伴</div>
 						</div>
 					</div>
@@ -74,7 +74,7 @@
 					<div class="absolute inset-0 bg-gradient-to-br from-blue-500/20 to-blue-600/5 rounded-2xl blur-xl group-hover:blur-2xl transition-all duration-300"></div>
 					<div class="relative bg-gradient-to-br from-white to-blue-50/30 rounded-2xl p-6 border border-blue-100/50 shadow-lg group-hover:shadow-blue-500/20 group-hover:scale-[1.02] transition-all duration-300">
 						<div class="text-center">
-							<div class="text-4xl md:text-5xl lg:text-6xl font-black text-transparent bg-clip-text bg-gradient-to-r from-blue-600 to-blue-700 mb-3 group-hover:scale-110 transition-transform duration-300">40+</div>
+							<div class="text-4xl md:text-5xl lg:text-6xl font-black text-transparent bg-clip-text bg-gradient-to-r from-blue-600 to-blue-700 mb-3 group-hover:scale-110 transition-transform duration-300 counter" data-target="40" data-suffix="+">0+</div>
 							<div class="text-gray-700 text-sm md:text-base font-medium">软著专利</div>
 						</div>
 					</div>
@@ -83,3 +83,51 @@
 		</div>
 	</div>
 </section>
+
+<script>
+	(function() {
+		const counters = document.querySelectorAll('.counter');
+		const duration = 2000;
+		let animated = false;
+
+		function animateCounter(counter: Element) {
+			const target = parseFloat(counter.getAttribute('data-target') || '0');
+			const suffix = counter.getAttribute('data-suffix') || '';
+			const isDecimal = target % 1 !== 0;
+			const startTime = performance.now();
+			const startValue = 0;
+
+			function update(currentTime: number) {
+				const elapsed = currentTime - startTime;
+				const progress = Math.min(elapsed / duration, 1);
+				const easeOutQuart = 1 - Math.pow(1 - progress, 4);
+				const currentValue = startValue + (target - startValue) * easeOutQuart;
+
+				if (isDecimal) {
+					counter.textContent = currentValue.toFixed(1) + suffix;
+				} else {
+					counter.textContent = Math.floor(currentValue) + suffix;
+				}
+
+				if (progress < 1) {
+					requestAnimationFrame(update);
+				}
+			}
+
+			requestAnimationFrame(update);
+		}
+
+		const observer = new IntersectionObserver((entries) => {
+			entries.forEach((entry) => {
+				if (entry.isIntersecting && !animated) {
+					animated = true;
+					counters.forEach(animateCounter);
+				}
+			});
+		}, { threshold: 0.3 });
+
+		counters.forEach((counter) => {
+			observer.observe(counter);
+		});
+	})();
+</script>