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public/.htaccess

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+# ============================================================
+# 圣巧依官网 - public/.htaccess（唯一配置）
+# ============================================================
+
+# ── sitemap.xml 白名单（必须放在最前面）──
+<Files "sitemap.xml">
+    Require all granted
+</Files>
+
+# ── 禁止直接访问敏感文件 ──
+<FilesMatch "\.(env|git|svn|htaccess|htpasswd|ini|log|bak|old|swp|dist|save|sql|zip|yml|md|lock)$">
+    Require all denied
+</FilesMatch>
+<FilesMatch "^(composer\.json|composer\.lock|package\.json|package-lock\.json|README|CHANGELOG|LICENSE|Makefile|config\.php)$">
+    Require all denied
+</FilesMatch>
+
+# ── 禁止列出目录 ──
+Options -Indexes
+
+# ── 安全响应头 ──
+<IfModule mod_headers.c>
+    Header always set X-Frame-Options "SAMEORIGIN"
+    Header always set X-Content-Type-Options "nosniff"
+    Header always set Referrer-Policy "strict-origin-when-cross-origin"
+    Header always set X-XSS-Protection "1; mode=block"
+    Header always set Strict-Transport-Security "max-age=31536000; includeSubDomains; preload"
+    Header always set Permissions-Policy "geolocation=(), microphone=(), camera=(), payment=(), usb=()"
+</IfModule>
+
+# ── 静态资源缓存 ──
+<IfModule mod_expires.c>
+    ExpiresActive On
+    ExpiresByType text/css "access plus 1 year"
+    ExpiresByType application/javascript "access plus 1 year"
+    ExpiresByType image/jpeg "access plus 1 year"
+    ExpiresByType image/png "access plus 1 year"
+    ExpiresByType image/gif "access plus 1 year"
+    ExpiresByType image/svg+xml "access plus 1 year"
+    ExpiresByType font/woff2 "access plus 1 year"
+    ExpiresByType font/woff "access plus 1 year"
+</IfModule>
+
+# ── Gzip 压缩 ──
+<IfModule mod_deflate.c>
+    AddOutputFilterByType DEFLATE text/html text/css text/javascript application/javascript application/json application/xml image/svg+xml
+</IfModule>
+
+# ── URL 重写：非静态文件全部走 index.php ──
+<IfModule mod_rewrite.c>
+    RewriteEngine On
+
+# 如果请求的是真实存在的文件或目录，直接返回
+    RewriteCond %{REQUEST_FILENAME} !-f
+    RewriteCond %{REQUEST_FILENAME} !-d
+
+    # 其余所有请求交给 index.php（应用自己处理路由）
+    RewriteRule ^ index.php [L,QSA]
+</IfModule>