fix(ncm): 二维码随容器缩放(模块边长=(容器-32)/模块数,修内容长QR溢出卡片) + 夜间深灰底浅灰码 + slogan改繁体「音樂的力量」(用户定案)

patch_v2/ncm_app/app/ui/login.c

@@ -39,7 +39,7 @@ static void login_draw(void *ctx)
     /* 24px 红点 logo（标题左前） */
     ncm_fill_round(W/2 - tw/2 - 36, 112 + 4, 24, 24, 12, pa->red_lit);
 
-    meow_ui_text_center(W/2, 160, "扫码登录 · 发现好音乐", 22, pa->on_red_dim);
+    meow_ui_text_center(W/2, 160, "扫码登录 · 音樂的力量", 22, pa->on_red_dim);
     /* 弱分隔（hero 与内容衔接） */
     meow_ui_fill_rect(0, 264, W, 1, th->outline);
 
@@ -50,14 +50,20 @@ static void login_draw(void *ctx)
 
     int sz = g_st.qr_size;
     if (sz > 0) {
-        int qs = sz * 6;
-        if (qs > qc - 32) qs = (qc - 32) / sz * sz;
+        /* 模块尺寸随内容缩放（二维码版本随内容长度变化，尺寸不固定——
+         * 按容器内边距算模块边长，绝不溢出卡片） */
+        int m = (qc - 32) / sz;
+        if (m < 1) m = 1;
+        int qs = m * sz;
         int ox = qx + (qc - qs) / 2, oy = qy + (qc - qs) / 2;
-        meow_ui_fill_rect(ox, oy, qs, qs, 0xFFFFFF);
+        /* 夜间：深灰底 + 浅灰码；白天：白底黑码 */
+        uint32_t qr_bg = g_dark ? 0x2A2B30 : 0xFFFFFF;
+        uint32_t qr_fg = g_dark ? 0xC9CAD1 : 0x000000;
+        meow_ui_fill_rect(ox, oy, qs, qs, qr_bg);
         for (int y = 0; y < sz; y++)
             for (int x = 0; x < sz; x++)
                 if (g_st.qr_mods[y*sz + x])
-                    meow_ui_fill_rect(ox + x*6, oy + y*6, 6, 6, 0x000000);
+                    meow_ui_fill_rect(ox + x*m, oy + y*m, m, m, qr_fg);
     } else {
         meow_ui_text_center(W/2, qy + qc/2 - 10,
                             g_err ? "no network - tap to retry" : "fetching QR key...", 20, th->dim);