style(announce.css, index.css): 调整内容溢出隐藏

public/themes/dist_static/static/css/announce.css

@@ -156,6 +156,12 @@
   line-height: var(--font-24);
 }
 .a-card__title {
+  /* 3行  */
+  display: -webkit-box;
+  -webkit-line-clamp: 3;
+  -webkit-box-orient: vertical;
+  overflow: hidden;
+  text-overflow: ellipsis;
   margin: 0;
   flex: 1;
   color: var(--color-text);

public/themes/dist_static/static/css/index.css

@@ -614,6 +614,12 @@
   font-weight: 400;
   line-height: var(--font-37);
   transition: color var(--duration-fast) var(--easing);
+  /* 3行  */
+  display: -webkit-box;
+  -webkit-line-clamp: 3;
+  -webkit-box-orient: vertical;
+  overflow: hidden;
+  text-overflow: ellipsis;
 }
 .section-5__featured:hover .section-5__featured-title {
   color: var(--color-primary);