M2: 主题系统（sablog经典+modern简约）+ 前台全部页面 + 老 URL 301 兼容 + markdown 双份导入

themes/modern/views/partials/header.blade.php

@@ -0,0 +1,20 @@
+<header class="m-header">
+    <div class="m-container">
+        <a href="{{ route('home') }}" class="m-logo">{{ $siteName }}</a>
+        <nav class="m-nav">
+            <a href="{{ route('home') }}" class="{{ request()->routeIs('home') ? 'active' : '' }}">首页</a>
+            <a href="{{ route('archives') }}" class="{{ request()->routeIs('archives*') ? 'active' : '' }}">归档</a>
+            <a href="{{ route('tags') }}" class="{{ request()->routeIs('tags*') ? 'active' : '' }}">标签</a>
+            <a href="{{ route('links') }}" class="{{ request()->routeIs('links') ? 'active' : '' }}">友链</a>
+            @auth
+                <a href="{{ route('profile') }}">{{ auth()->user()->name }}</a>
+                <form action="{{ route('logout') }}" method="post" class="inline-form">
+                    @csrf
+                    <button type="submit" class="m-link-btn">退出</button>
+                </form>
+            @else
+                <a href="{{ route('login') }}">登录</a>
+            @endauth
+        </nav>
+    </div>
+</header>