feat(card-diy): band/卡片容器/head 样式属性可配置(2.19.11)

mini.vue: bandShow/bandBg/bandHeight + wrapMarginTop/Bottom + headBg/headPadV/headPadH
show/self: miniConfig 透传 8 字段
qr-style 测试: bandStyle 断言适配新实现(自定义背景+高度)

前端 7 套 123 项全绿

tests/diy-card-qr-style.test.js

@@ -177,8 +177,8 @@ test('mini: 蓝色顶带版式(2026-10-23 与精选名片 show 同款: 自适应
     assert.match(miniSrc, /class="mini-card-wrap"/);
     assert.match(miniSrc, /class="mini-band" :style="bandStyle"/);
     assert.match(miniSrc, /class="mini-card fade-up" :style="wrapStyle"/);
-    // 计算属性: 顶带底色走主题渐变(与 show bandStyle 同口径)
-    assert.match(miniSrc, /bandStyle\(\)\s*\{\s*return this\.\$util\.objToStyle\(\{\s*background: themeGradient\(this\.card\)\s*\}\);/);
+    // 计算属性: 顶带底色可自定义(bandBg)或回落主题渐变; 高度可配(bandHeight)
+    assert.match(miniSrc, /bandStyle\(\)\s*\{[\s\S]*?bandBg[\s\S]*?themeGradient\(this\.card\)/);
     // CSS: wrap 撑露沿 + band 拉伸(top:-40rpx / bottom:88rpx) + 圆角(顶直底弧)
     assert.match(miniSrc, /\.mini-card-wrap \{\s*position: relative;\s*margin-top: 40rpx;/);
     assert.match(miniSrc, /\.mini-band \{\s*position: absolute;[\s\S]*?top: -40rpx;[\s\S]*?bottom: 88rpx;[\s\S]*?border-radius: 0 0 28rpx 28rpx;/);