fix(frontend): restore homepage card grid

assets/css/frontend/homepage-fixed/base-2.css

@@ -385,17 +385,18 @@ html.dark #index-tab-main > .posts-item.list:hover {
    ================================================================ */
 
 .aksrt-homepage__posts[data-view="card"] {
-  display: flex;
-  flex-wrap: wrap;
+  display: block;
   margin: -8px;
+  font-size: 0;
 }
 
 .aksrt-homepage__posts[data-view="card"] > .posts-item {
   width: calc(33.333% - 16px);
   margin: 8px;
   padding: 10px;
-  display: flex;
-  flex-direction: column;
+  display: inline-block;
+  vertical-align: top;
+  font-size: 1rem;
   background: var(--surface-1, #fff);
   border: none;
   border-radius: var(--main-radius, var(--radius, 8px));
@@ -507,7 +508,6 @@ posts.posts-item,
 article.posts-item,
 #index-tab-main > .posts-item,
 .home-tab-content .posts-item {
-  display: block !important;
   opacity: 1 !important;
   visibility: visible !important;
   color: var(--color-ink, #333);

src/Core/ScriptsPart1b.php

@@ -803,7 +803,6 @@ $hmb_js = get_template_directory() . '/assets/js/header-newadd.js';
         if ($is_fixed_homepage) {
             $enqueue_module('header-components'); // header-slider / hero
             $enqueue_module('post-card');
-            $homepage_css_path = get_template_directory() . '/assets/css/frontend/homepage-fixed.css';
             $homepage_style_deps = file_exists($frontend_bundle)
                 ? ['aksrt-frontend-bundle', 'aksrt-header-components', 'aksrt-post-card']
                 : ['aksrt-zibll-compat-vars', 'aksrt-layout', 'aksrt-header-components', 'aksrt-post-card'];
@@ -811,12 +810,34 @@ $hmb_js = get_template_directory() . '/assets/js/header-newadd.js';
                 $homepage_style_deps,
                 static fn(string $handle): bool => wp_style_is($handle, 'registered')
             ));
-            wp_enqueue_style(
-                'aksrt-homepage-fixed',
-                $base_uri . '/assets/css/frontend/homepage-fixed.css',
-                $homepage_style_deps,
-                file_exists($homepage_css_path) ? (string) filemtime($homepage_css_path) : $version
-            );
+
+            // Enqueue split files directly so every leaf stylesheet receives its own
+            // cache version. A version on homepage-fixed.css cannot invalidate the
+            // unversioned nested @imports used by that legacy aggregate file.
+            $homepage_style_parts = [
+                'base-1',
+                'base-2',
+                'base-3',
+                'ajax-tab-skeleton-placeholder',
+                'ajax-tab-error-state',
+            ];
+            $part_deps = $homepage_style_deps;
+            foreach ($homepage_style_parts as $part_index => $part_name) {
+                $is_last_part = $part_index === count($homepage_style_parts) - 1;
+                $part_handle = $is_last_part
+                    ? 'aksrt-homepage-fixed'
+                    : 'aksrt-homepage-fixed-' . sanitize_key($part_name);
+                $part_relative_path = '/assets/css/frontend/homepage-fixed/' . $part_name . '.css';
+                $part_path = get_template_directory() . $part_relative_path;
+
+                wp_enqueue_style(
+                    $part_handle,
+                    $base_uri . $part_relative_path,
+                    $part_deps,
+                    file_exists($part_path) ? (string) filemtime($part_path) : $version
+                );
+                $part_deps = [$part_handle];
+            }
         }
 
         // 积分相关：已登录 + 启用积分功能时全站加载

tests/widget-system/post-visual-contract.test.cjs

@@ -22,6 +22,27 @@ test('post list DOM follows the Zibll flex and multi-image contract', () => {
   assert.match(data, /<a class=\"thumb-items contain\"/);
 });
 
+test('homepage card mode keeps the Zibll inline-block three-column flow', () => {
+  const css = read('assets/css/frontend/homepage-fixed/base-2.css');
+  const scripts = read('src/Core/ScriptsPart1b.php');
+  const cardModeStart = css.indexOf('.aksrt-homepage__posts[data-view="card"] {');
+  const cardItemStart = css.indexOf('.aksrt-homepage__posts[data-view="card"] > .posts-item {');
+  const cardMode = css.slice(cardModeStart, cardItemStart);
+  const cardItem = css.slice(cardItemStart, css.indexOf('\n}', cardItemStart) + 2);
+  const visibilityStart = css.indexOf('VISIBILITY LOCK');
+  const visibilityEnd = css.indexOf('/* Minimal flex utilities', visibilityStart);
+  const visibility = css.slice(visibilityStart, visibilityEnd);
+
+  assert.match(cardMode, /display:\s*block/);
+  assert.match(cardMode, /font-size:\s*0/);
+  assert.match(cardItem, /width:\s*calc\(33\.333% - 16px\)/);
+  assert.match(cardItem, /display:\s*inline-block/);
+  assert.doesNotMatch(visibility, /\.posts-item[\s\S]*?display:\s*block\s*!important/);
+  assert.match(scripts, /\$homepage_style_parts\s*=\s*\[/);
+  assert.match(scripts, /filemtime\(\$part_path\)/);
+  assert.doesNotMatch(scripts, /wp_enqueue_style\(\s*'aksrt-homepage-fixed',\s*\$base_uri\s*\.\s*'\/assets\/css\/frontend\/homepage-fixed\.css'/);
+});
+
 test('site shell has one float owner and fluid zones sit outside main', () => {
   const layout = read('assets/css/frontend/layout.css');
   const archive = read('inc/helpers/aksrt-archive.php');