feat: 重构网站UI设计并优化布局结构

重构整体UI设计，采用红色主题配色方案
优化页面布局结构，将Header和Footer移至page组件
更新按钮样式和交互效果，增强视觉反馈
调整全局字体配置，使用思源黑体作为中文字体
改进各区块卡片样式，增加悬停动画效果
优化响应式设计，提升移动端体验

src/components/ui/button.tsx

@@ -5,30 +5,30 @@ import { cva, type VariantProps } from "class-variance-authority"
 import { cn } from "@/lib/utils"
 
 const buttonVariants = cva(
-  "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium transition-all disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg:not([class*='size-'])]:size-4 shrink-0 [&_svg]:shrink-0 outline-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive",
+  "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium transition-all duration-200 disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg:not([class*='size-'])]:size-4 shrink-0 [&_svg]:shrink-0 outline-none focus-visible:ring-2 focus-visible:ring-ring/50",
   {
     variants: {
       variant: {
-        default: "bg-primary text-primary-foreground hover:bg-primary/90",
+        default: "bg-[#C41E3A] text-white hover:bg-[#A01830] hover:shadow-lg hover:shadow-[#C41E3A]/25 hover:-translate-y-0.5",
         destructive:
-          "bg-destructive text-white hover:bg-destructive/90 focus-visible:ring-destructive/20 dark:focus-visible:ring-destructive/40 dark:bg-destructive/60",
+          "bg-red-600 text-white hover:bg-red-700 focus-visible:ring-red-500/50",
         outline:
-          "border bg-background shadow-xs hover:bg-accent hover:text-accent-foreground dark:bg-input/30 dark:border-input dark:hover:bg-input/50",
+          "border-2 border-[#C41E3A] bg-transparent text-[#C41E3A] hover:bg-[#FEF2F4] hover:text-[#A01830]",
         secondary:
-          "bg-secondary text-secondary-foreground hover:bg-secondary/80",
+          "bg-[#FAF8F8] text-[#1A1A1A] hover:bg-[#F5F0F0]",
         ghost:
-          "hover:bg-accent hover:text-accent-foreground dark:hover:bg-accent/50",
-        link: "text-primary underline-offset-4 hover:underline",
+          "hover:bg-[#F5F0F0] hover:text-[#1A1A1A]",
+        link: "text-[#C41E3A] underline-offset-4 hover:underline hover:text-[#A01830]",
       },
       size: {
-        default: "h-9 px-4 py-2 has-[>svg]:px-3",
-        xs: "h-6 gap-1 rounded-md px-2 text-xs has-[>svg]:px-1.5 [&_svg:not([class*='size-'])]:size-3",
-        sm: "h-8 rounded-md gap-1.5 px-3 has-[>svg]:px-2.5",
-        lg: "h-10 rounded-md px-6 has-[>svg]:px-4",
-        icon: "size-9",
-        "icon-xs": "size-6 rounded-md [&_svg:not([class*='size-'])]:size-3",
+        default: "h-10 px-6 py-2",
+        xs: "h-7 gap-1 rounded-md px-2 text-xs [&_svg:not([class*='size-'])]:size-3",
+        sm: "h-8 rounded-md gap-1.5 px-4",
+        lg: "h-12 rounded-md px-8 text-base",
+        icon: "size-10",
+        "icon-xs": "size-7 rounded-md [&_svg:not([class*='size-'])]:size-3",
         "icon-sm": "size-8",
-        "icon-lg": "size-10",
+        "icon-lg": "size-12",
       },
     },
     defaultVariants: {