实现 PaperMod 风格标签页面：标签列表 + 标签详情

- 新增 /tags 页面：展示所有标签及文章数量，按字母排序
- 新增 /tags/:tag 动态路由：展示该标签下的文章列表
- Post/POSTS 改为 pub，供 tags 模块复用
- NavItem 高亮也匹配 TagDetailPage
- 修复 CSS 路径为绝对路径，解决子路由下样式失效

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

Dioxus.toml

@@ -10,9 +10,9 @@ title = "Yggdrasil - Dioxus SSR"
 watch_path = ["src", "Cargo.toml"]
 
 [web.resource]
-style = ["style.css"]
+style = ["/style.css"]
 script = []
 
 [web.resource.dev]
-style = ["style.css"]
+style = ["/style.css"]
 script = []

public/style.css

@@ -262,6 +262,9 @@
   .mt-4 {
     margin-top: calc(var(--spacing) * 4);
   }
+  .mt-6 {
+    margin-top: calc(var(--spacing) * 6);
+  }
   .mt-10 {
     margin-top: calc(var(--spacing) * 10);
   }
@@ -351,6 +354,9 @@
   .flex-col {
     flex-direction: column;
   }
+  .flex-wrap {
+    flex-wrap: wrap;
+  }
   .items-center {
     align-items: center;
   }
@@ -415,6 +421,9 @@
   .bg-gray-50 {
     background-color: var(--color-gray-50);
   }
+  .bg-gray-100 {
+    background-color: var(--color-gray-100);
+  }
   .bg-gray-900 {
     background-color: var(--color-gray-900);
   }
@@ -640,6 +649,13 @@
       }
     }
   }
+  .hover\:bg-gray-200 {
+    &:hover {
+      @media (hover: hover) {
+        background-color: var(--color-gray-200);
+      }
+    }
+  }
   .hover\:bg-red-700 {
     &:hover {
       @media (hover: hover) {
@@ -647,6 +663,13 @@
       }
     }
   }
+  .hover\:text-gray-600 {
+    &:hover {
+      @media (hover: hover) {
+        color: var(--color-gray-600);
+      }
+    }
+  }
   .hover\:text-gray-700 {
     &:hover {
       @media (hover: hover) {
@@ -831,6 +854,15 @@
       }
     }
   }
+  .dark\:hover\:bg-\[\#333\] {
+    &:where(.dark, .dark *) {
+      &:hover {
+        @media (hover: hover) {
+          background-color: #333;
+        }
+      }
+    }
+  }
   .dark\:hover\:text-\[\#dadadb\] {
     &:where(.dark, .dark *) {
       &:hover {

src/pages/home.rs

@@ -4,15 +4,15 @@ use crate::router::Route;
 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,
+pub struct Post {
+    pub title: &'static str,
+    pub summary: &'static str,
+    pub date: &'static str,
+    pub tags: &'static [&'static str],
+    pub slug: &'static str,
 }
 
-const POSTS: &[Post] = &[
+pub 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。",
@@ -107,6 +107,7 @@ pub fn NavItem(href: &'static str, label: &'static str, route: Route) -> Element
         ("/", Route::HomePage {}) => true,
         ("/archives", Route::ArchivesPage {}) => true,
         ("/tags", Route::TagsPage {}) => true,
+        ("/tags", Route::TagDetailPage { .. }) => true,
         ("/search", Route::SearchPage {}) => true,
         ("/about", Route::AboutPage {}) => true,
         _ => false,

src/pages/mod.rs

@@ -3,3 +3,4 @@ pub mod archives;
 pub mod home;
 pub mod login;
 pub mod register;
+pub mod tags;

src/pages/tags.rs

@@ -0,0 +1,136 @@
+use dioxus::prelude::*;
+
+use crate::pages::home::{Footer, Header, Post, POSTS};
+
+#[derive(Clone, PartialEq)]
+struct TagInfo {
+    name: &'static str,
+    count: usize,
+}
+
+fn collect_tags() -> Vec<TagInfo> {
+    use std::collections::HashMap;
+
+    let mut counts: HashMap<&'static str, usize> = HashMap::new();
+    for post in POSTS.iter() {
+        for tag in post.tags.iter() {
+            *counts.entry(*tag).or_insert(0) += 1;
+        }
+    }
+
+    let mut tags: Vec<TagInfo> = counts
+        .into_iter()
+        .map(|(name, count)| TagInfo { name, count })
+        .collect();
+
+    tags.sort_by(|a, b| a.name.cmp(b.name));
+    tags
+}
+
+fn posts_for_tag(tag: &str) -> Vec<Post> {
+    POSTS
+        .iter()
+        .filter(|p| p.tags.iter().any(|t| *t == tag))
+        .cloned()
+        .collect()
+}
+
+#[component]
+pub fn TagsPage() -> Element {
+    let tags = collect_tags();
+    let total_posts = POSTS.len();
+
+    rsx! {
+        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",
+                header { class: "page-header mb-6",
+                    h1 { class: "text-[34px] font-bold text-gray-900 dark:text-[#dadadb]",
+                        "标签"
+                    }
+                    div { class: "mt-2 text-base text-gray-500 dark:text-[#9b9c9d]",
+                        "共 "
+                        span { class: "font-medium text-gray-700 dark:text-[#dadadb]", "{tags.len()}" }
+                        " 个标签，"
+                        span { class: "font-medium text-gray-700 dark:text-[#dadadb]", "{total_posts}" }
+                        " 篇文章"
+                    }
+                }
+                ul { class: "flex flex-wrap gap-4 mt-6",
+                    for tag in tags.iter() {
+                        li {
+                            a {
+                                class: "inline-flex items-center px-3 py-1.5 text-base font-medium bg-gray-100 dark:bg-[#2e2e33] text-gray-700 dark:text-[#9b9c9d] rounded-lg hover:bg-gray-200 dark:hover:bg-[#333] transition-colors",
+                                href: "/tags/{tag.name}",
+                                "{tag.name}"
+                                sup { class: "ml-1 text-sm text-gray-500 dark:text-[#9b9c9d]", "{tag.count}" }
+                            }
+                        }
+                    }
+                }
+            }
+            Footer {}
+        }
+    }
+}
+
+#[component]
+pub fn TagDetailPage(tag: String) -> Element {
+    let posts = posts_for_tag(&tag);
+
+    rsx! {
+        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",
+                header { class: "page-header mb-6",
+                    h1 { class: "text-[34px] font-bold text-gray-900 dark:text-[#dadadb]",
+                        "{tag}"
+                    }
+                    div { class: "mt-2 text-base text-gray-500 dark:text-[#9b9c9d]",
+                        "共 "
+                        span { class: "font-medium text-gray-700 dark:text-[#dadadb]", "{posts.len()}" }
+                        " 篇文章"
+                    }
+                }
+                for post in posts.iter() {
+                    TagPostEntry { post: post.clone() }
+                }
+            }
+            Footer {}
+        }
+    }
+}
+
+#[component]
+fn TagPostEntry(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, t) in tag_items.iter().enumerate() {
+                        if i > 0 {
+                            span { "," }
+                        }
+                        span {
+                            a {
+                                class: "hover:text-gray-600 dark:hover:text-[#dadadb] transition-colors",
+                                href: "/tags/{t}",
+                                "{t}"
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

src/router.rs

@@ -5,6 +5,7 @@ use crate::pages::archives::ArchivesPage;
 use crate::pages::home::HomePage;
 use crate::pages::login::LoginPage;
 use crate::pages::register::RegisterPage;
+use crate::pages::tags::{TagsPage, TagDetailPage};
 use crate::theme::{Theme, ThemePreload, use_theme_provider};
 
 #[derive(Clone, Routable, Debug, PartialEq)]
@@ -21,6 +22,8 @@ pub enum Route {
     ArchivesPage {},
     #[route("/tags")]
     TagsPage {},
+    #[route("/tags/:tag")]
+    TagDetailPage { tag: String },
     #[route("/search")]
     SearchPage {},
     #[route("/about")]
@@ -44,11 +47,6 @@ pub fn AppRouter() -> Element {
     }
 }
 
-#[component]
-pub fn TagsPage() -> Element {
-    rsx! { "Tags" }
-}
-
 #[component]
 pub fn SearchPage() -> Element {
     rsx! { "Search" }