feat: 初始化居家上门服务系统完整项目代码

- Spring Boot 后端服务 (hss-home-service)
- delivery-miniapp 配送小程序
- website 官网 (Nuxt)
- docs 架构设计文档
- Docker 容器化部署配置

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

hss-home-service/website/assets/css/main.css

@@ -0,0 +1,40 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+@layer base {
+  :root {
+    --color-primary: #155EEF;
+    --color-accent: #20C997;
+    --color-cta: #FF8A3D;
+    --color-surface: #F5F9FF;
+    --color-text: #1F2937;
+    --color-text-secondary: #6B7280;
+  }
+
+  html { scroll-behavior: smooth; }
+
+  @media (prefers-reduced-motion: reduce) {
+    *, *::before, *::after {
+      animation-duration: 0.01ms !important;
+      transition-duration: 0.01ms !important;
+    }
+  }
+
+  :focus-visible {
+    outline: 2px solid var(--color-primary);
+    outline-offset: 2px;
+  }
+}
+
+@layer components {
+  .section-container {
+    @apply max-w-7xl mx-auto px-4 sm:px-6 lg:px-8;
+  }
+  .section-title {
+    @apply text-3xl md:text-4xl font-bold text-text-primary text-center;
+  }
+  .section-subtitle {
+    @apply text-lg text-text-secondary text-center mt-4 max-w-2xl mx-auto;
+  }
+}