实现博客首页（PaperMod 风格）

- Header: 顶部导航栏，Logo + 首页/归档/标签/搜索/关于 + 主题切换
- FirstEntry: 首篇文章精选区，大标题 + 完整摘要
- PostEntry: 文章卡片列表，圆角边框 + hover 上浮效果
- Pagination: 下一页按钮
- Footer: 版权信息 + 返回顶部按钮
- 6 篇中文占位文章数据

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/pages/home.rs

@@ -1,8 +1,217 @@
 use dioxus::prelude::*;
 
+use crate::theme::ThemeToggle;
+
+#[derive(Clone, PartialEq)]
+struct Post {
+    title: &'static str,
+    summary: &'static str,
+    date: &'static str,
+    tags: &'static [&'static str],
+    slug: &'static str,
+}
+
+const POSTS: &[Post] = &[
+    Post {
+        title: "开始使用 Rust 构建 Web 应用",
+        summary: "Rust 作为一门系统级编程语言，近年来在 Web 开发领域也展现出了强大的生命力。本文将介绍如何使用 Rust 和 Dioxus 框架构建现代化的全栈 Web 应用，从项目搭建到部署的完整流程。",
+        date: "2026-05-20",
+        tags: &["Rust", "Web"],
+        slug: "rust-web-app",
+    },
+    Post {
+        title: "Tailwind CSS 的设计理念与实践",
+        summary: "Tailwind CSS 是一种实用优先的 CSS 框架，它改变了我们编写样式的方式。通过原子化的工具类，开发者可以快速构建出美观且一致的界面，而无需在 CSS 文件和 HTML 之间来回切换。",
+        date: "2026-05-15",
+        tags: &["CSS", "前端"],
+        slug: "tailwind-css",
+    },
+    Post {
+        title: "PostgreSQL 在 Rust 项目中的最佳实践",
+        summary: "数据库是大多数 Web 应用的核心组件。本文探讨如何在 Rust 项目中高效地使用 PostgreSQL，包括连接池管理、异步查询、事务处理以及常见的性能优化技巧。",
+        date: "2026-05-10",
+        tags: &["数据库", "Rust"],
+        slug: "postgresql-rust",
+    },
+    Post {
+        title: "暗色模式的设计思考",
+        summary: "暗色模式不仅仅是颜色的反转，它涉及到一整套设计系统的重新思考。从对比度到语义化颜色，暗色模式需要细致的打磨才能提供舒适的阅读体验。",
+        date: "2026-05-05",
+        tags: &["设计", "UI"],
+        slug: "dark-mode-design",
+    },
+    Post {
+        title: "博客系统的架构演进",
+        summary: "从一个简单的静态页面到全栈应用，博客系统的架构经历了多次演进。本文记录了 Yggdrasil 博客从设计到实现的思考过程，以及每次迭代背后的决策依据。",
+        date: "2026-04-28",
+        tags: &["架构", "博客"],
+        slug: "blog-architecture",
+    },
+    Post {
+        title: "Dioxus 0.7 新特性一览",
+        summary: "Dioxus 0.7 带来了许多令人兴奋的改进，包括更好的全栈支持、改进的路由系统和更流畅的开发体验。让我们一起看看这些新特性如何提升开发效率。",
+        date: "2026-04-20",
+        tags: &["Rust", "框架"],
+        slug: "dioxus-07",
+    },
+];
+
 #[component]
 pub fn HomePage() -> Element {
     rsx! {
-        "Home"
+        div { class: "min-h-screen flex flex-col bg-white dark:bg-[#1d1e20] transition-colors duration-300",
+            Header {}
+            main { class: "flex-1 w-full max-w-3xl mx-auto px-6 py-6",
+                FirstEntry { post: POSTS[0].clone() }
+                for post in POSTS.iter().skip(1) {
+                    PostEntry { post: post.clone() }
+                }
+                Pagination {}
+            }
+            Footer {}
+        }
+    }
+}
+
+#[component]
+fn Header() -> Element {
+    rsx! {
+        header { class: "sticky top-0 z-40 w-full border-b border-gray-200 dark:border-[#333] bg-white/80 dark:bg-[#1d1e20]/80 backdrop-blur-sm",
+            nav { class: "max-w-3xl mx-auto px-6 h-[60px] flex items-center justify-between",
+                a {
+                    class: "text-2xl font-bold text-gray-900 dark:text-[#dadadb] hover:opacity-80 transition-opacity",
+                    href: "/",
+                    "Yggdrasil"
+                }
+                div { class: "flex items-center gap-2",
+                    ul { class: "hidden md:flex items-center gap-1",
+                        NavItem { href: "/", label: "首页", active: true }
+                        NavItem { href: "/archives", label: "归档" }
+                        NavItem { href: "/tags", label: "标签" }
+                        NavItem { href: "/search", label: "搜索" }
+                        NavItem { href: "/about", label: "关于" }
+                    }
+                    ThemeToggle {}
+                }
+            }
+        }
+    }
+}
+
+#[component]
+fn NavItem(href: &'static str, label: &'static str, #[props(default = false)] active: bool) -> Element {
+    let base_class = "px-3 py-1 text-base rounded-lg transition-colors";
+    let class_str = if active {
+        format!("{} font-medium text-gray-900 dark:text-[#dadadb] underline underline-offset-[0.3rem] decoration-2 decoration-gray-900 dark:decoration-[#dadadb]", base_class)
+    } else {
+        format!("{} text-gray-600 dark:text-[#9b9c9d] hover:text-gray-900 dark:hover:text-[#dadadb]", base_class)
+    };
+
+    rsx! {
+        li {
+            a { class: "{class_str}", href: "{href}", "{label}" }
+        }
+    }
+}
+
+#[component]
+fn FirstEntry(post: Post) -> Element {
+    let tag_items = post.tags.iter().map(|t| *t).collect::<Vec<_>>();
+
+    rsx! {
+        article { class: "mb-10",
+            a { class: "block group", href: "/post/{post.slug}",
+                h1 { class: "text-[34px] font-bold leading-tight text-gray-900 dark:text-[#dadadb] group-hover:opacity-80 transition-opacity",
+                    "{post.title}"
+                }
+                div { class: "mt-3 text-base text-gray-500 dark:text-[#9b9c9d] leading-relaxed",
+                    "{post.summary}"
+                }
+                div { class: "mt-4 flex items-center gap-3 text-sm text-gray-400 dark:text-[#9b9c9d]",
+                    span { "{post.date}" }
+                    span { "·" }
+                    for (i, tag) in tag_items.iter().enumerate() {
+                        if i > 0 {
+                            span { "," }
+                        }
+                        span { "{tag}" }
+                    }
+                }
+            }
+        }
+    }
+}
+
+#[component]
+fn PostEntry(post: Post) -> Element {
+    let tag_items = post.tags.iter().map(|t| *t).collect::<Vec<_>>();
+
+    rsx! {
+        article { class: "relative mb-6 p-6 bg-white dark:bg-[#2e2e33] rounded-lg border border-gray-200 dark:border-[#333] hover:-translate-y-0.5 hover:border-gray-300 dark:hover:border-gray-600 transition-all duration-250",
+            a { class: "block group", href: "/post/{post.slug}",
+                h2 { class: "text-2xl font-bold leading-tight text-gray-900 dark:text-[#dadadb] group-hover:opacity-80 transition-opacity",
+                    "{post.title}"
+                }
+                div { class: "mt-2 text-sm text-gray-500 dark:text-[#9b9c9d] leading-relaxed line-clamp-2",
+                    "{post.summary}"
+                }
+                div { class: "mt-3 flex items-center gap-3 text-[13px] text-gray-400 dark:text-[#9b9c9d]",
+                    span { "{post.date}" }
+                    span { "·" }
+                    for (i, tag) in tag_items.iter().enumerate() {
+                        if i > 0 {
+                            span { "," }
+                        }
+                        span { "{tag}" }
+                    }
+                }
+            }
+        }
+    }
+}
+
+#[component]
+fn Pagination() -> Element {
+    rsx! {
+        nav { class: "flex mt-10 mb-6",
+            a {
+                class: "ml-auto inline-flex items-center px-4 py-2 text-sm text-white bg-gray-900 dark:bg-[#dadadb] dark:text-gray-900 rounded-full hover:opacity-80 transition-opacity",
+                href: "/page/2",
+                "下一页"
+                span { class: "ml-1", "»" }
+            }
+        }
+    }
+}
+
+#[component]
+fn Footer() -> Element {
+    rsx! {
+        footer { class: "w-full border-t border-gray-200 dark:border-[#333] mt-auto",
+            div { class: "max-w-3xl mx-auto px-6 py-5 flex items-center justify-between text-sm text-gray-400 dark:text-[#9b9c9d]",
+                span { "© 2026 Yggdrasil Blog" }
+                button {
+                    class: "p-2 rounded-full bg-gray-100 dark:bg-[#333] hover:bg-gray-200 dark:hover:bg-[#444] transition-colors",
+                    onclick: move |_| scroll_to_top(),
+                    "↑"
+                }
+            }
+        }
+    }
+}
+
+fn scroll_to_top() {
+    #[cfg(target_arch = "wasm32")]
+    {
+        if let Some(window) = web_sys::window() {
+            let mut options = web_sys::ScrollToOptions::new();
+            options.top(0.0);
+            options.behavior(web_sys::ScrollBehavior::Smooth);
+            let _ = window.scroll_to_with_scroll_to_options(&options);
+        }
+    }
+    #[cfg(not(target_arch = "wasm32"))]
+    {
+        let _ = ();
     }
 }