统一三个页面内容区布局宽度为 max-w-7xl mx-auto px-4 sm:px-6 lg:px-8

与顶部导航栏 header 保持完全相同的宽度和留空规范，确保视觉对齐

resources/views/guestbook/index.blade.php

@@ -30,8 +30,8 @@
         @endif
 
         {{-- 写信/留言表单区 (Alpine 控制显隐) --}}
-        <div x-show="showWriteForm" x-collapse class="bg-white border-b border-gray-200 shadow-inner">
-            <div class="max-w-4xl mx-auto p-6">
+        <div x-show="showWriteForm" x-collapse class="bg-indigo-50/50 border-b border-indigo-100 shadow-sm relative z-10">
+            <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-6">
                 <form action="{{ route('guestbook.store') }}" method="POST" class="space-y-4">
                     @csrf
                     <div class="flex items-center space-x-4">
@@ -73,7 +73,7 @@
         </div>
 
         {{-- 主体内容区 --}}
-        <div class="flex w-full mt-4 px-6 gap-6">
+        <div class="flex max-w-7xl mx-auto mt-4 px-4 sm:px-6 lg:px-8 gap-6">
 
 
             {{-- 左侧：分类导航 --}}

resources/views/leaderboard/index.blade.php

@@ -18,7 +18,7 @@
 @section('content')
     {{-- 说明条 --}}
     <div class="bg-indigo-50 border-b border-indigo-100 py-3 shrink-0">
-        <div class="w-full px-6 flex justify-between items-center text-sm">
+        <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 flex justify-between items-center text-sm">
             <p class="text-indigo-800 font-medium">✨ 数据每 <span class="font-bold text-red-500">15分钟</span>
                 自动刷新一次。努力提升自己，让全服铭记你的名字！</p>
         </div>
@@ -26,7 +26,7 @@
 
     {{-- 滚动内容区 --}}
     <main class="p-4 sm:p-6 lg:p-8">
-        <div class="w-full">
+        <div class="max-w-7xl mx-auto">
 
             <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6">
 

resources/views/rooms/index.blade.php

@@ -56,7 +56,7 @@
     @endif
 
     {{-- 主展示区 --}}
-    <main class="w-full py-10 px-6">
+    <main class="max-w-7xl mx-auto py-10 px-4 sm:px-6 lg:px-8">
 
 
         <div class="mb-6 flex justify-between items-end border-b pb-4">