feat(miniprogram): 访客首页轮播图接入公开 API + 文章列表替换核心功能区域

apps/miniprogram/src/pages/index/index.scss

@@ -339,6 +339,19 @@
   &--1 {
     background: linear-gradient(135deg, $pri-d 0%, $pri 60%, $pri-l 100%);
   }
+  &--2 {
+    background: linear-gradient(135deg, $acc 0%, #3D5A40 60%, $acc-l 100%);
+  }
+  &--3 {
+    background: linear-gradient(135deg, #8B6F4E 0%, $wrn 60%, $wrn-l 100%);
+  }
+}
+
+.guest-slide-image {
+  position: absolute;
+  inset: 0;
+  width: 100%;
+  height: 100%;
 }
 
 .guest-slide:nth-child(2) .guest-slide-bg {
@@ -397,14 +410,27 @@
 .guest-article-card {
   background: $card;
   border-radius: $r;
-  padding: 16px 18px;
+  overflow: hidden;
   box-shadow: $shadow-sm;
+  display: flex;
 
   &:active {
     opacity: 0.85;
   }
 }
 
+.guest-article-cover {
+  width: 100px;
+  height: 80px;
+  flex-shrink: 0;
+}
+
+.guest-article-body {
+  padding: 12px 14px;
+  flex: 1;
+  min-width: 0;
+}
+
 .guest-article-title {
   font-size: var(--tk-font-body-sm);
   font-weight: 600;