feat: 移除 page2 桌下的枪

删掉倒数第二、三行的三个「枪」字，桌面之下只留墙背景。

assets/css/page2.css

@@ -4,7 +4,6 @@
 .ground { color: color-mix(in srgb, #8a7350 55%, #000); }
 .table { color: color-mix(in srgb, #c08a4e 60%, #000); }
 .chair { color: color-mix(in srgb, #d98f3f 65%, #000); }
-.gun { color: color-mix(in srgb, #93a9c9 62%, #000); }
 .cup { color: color-mix(in srgb, #5fd08a 40%, #000); }
 .candle { color: color-mix(in srgb, #efd9a8 65%, #000); }
 .flame { color: color-mix(in srgb, #ff4b3a 80%, #000); }