feat(components): 添加鼠标交互粒子效果和高级浮动效果组件

refactor(sections): 移除各区块的多余标签元素
style(contact-section): 优化联系表单布局和动画效果

src/components/sections/contact-section.tsx

@@ -130,7 +130,7 @@ export function ContactSection() {
         <div className="grid lg:grid-cols-5 gap-12 lg:gap-16">
           <div 
             className={`
-              lg:col-span-2 space-y-8
+              lg:col-span-2 space-y-8 flex flex-col
               opacity-0 translate-y-4
               ${isVisible ? 'animate-fade-in-up stagger-1' : ''}
             `}
@@ -209,16 +209,16 @@ export function ContactSection() {
 
           <div 
             className={`
-              lg:col-span-3
+              lg:col-span-3 flex flex-col
               opacity-0 translate-y-4
               ${isVisible ? 'animate-fade-in-up stagger-2' : ''}
             `}
           >
-            <div className="bg-[#F5F7FA] p-6 sm:p-8 rounded-lg border border-[#E2E8F0]">
+            <div className="bg-[#F5F7FA] p-6 sm:p-8 rounded-lg border border-[#E2E8F0] flex-1 flex flex-col">
               <h3 className="text-lg font-semibold text-[#1A1A2E] mb-6">发送消息</h3>
               
               {isSubmitted ? (
-                <div className="text-center py-12">
+                <div className="text-center py-12 flex-1 flex items-center justify-center">
                   <div className="w-16 h-16 bg-[#C41E3A] rounded-full flex items-center justify-center mx-auto mb-4 animate-stamp-in">
                     <CheckCircle2 className="w-8 h-8 text-white" />
                   </div>
@@ -226,7 +226,7 @@ export function ContactSection() {
                   <p className="text-[#718096]">感谢您的留言，我们会尽快与您联系！</p>
                 </div>
               ) : (
-                <form onSubmit={handleSubmit} className="space-y-5">
+                <form onSubmit={handleSubmit} className="space-y-5 flex-1 flex flex-col">
                   <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
                     <Input 
                       label="姓名"
@@ -275,7 +275,7 @@ export function ContactSection() {
                   <Button 
                     type="submit" 
                     size="lg"
-                    className="w-full group"
+                    className="w-full group mt-auto"
                     disabled={isSubmitting}
                   >
                     {isSubmitting ? (