style: 调整文章横幅标题的样式和排版

src/app.css

@@ -505,29 +505,29 @@ body.single-col .post-list {
 	flex-direction: column;
 	align-items: center;
 	justify-content: center;
-	padding: 70px 45px;
+	padding: 40px 20px 24px;
 	animation: float-down 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
 }
 
 @media screen and (max-width: 767px) {
 	.banner-title {
-		padding: 50px 1rem;
+		padding: 30px 1rem 16px;
 	}
 }
 
 .banner-title .post-title {
 	text-align: center;
-	font-weight: 400;
+	font-weight: 600;
 	word-break: break-word;
-	font-size: 2.7rem;
-	line-height: 1.67;
-	margin: 0;
+	font-size: 1.75rem;
+	line-height: 1.4;
+	margin: 0 0 0.5rem;
 	color: var(--title-color);
 }
 
 @media screen and (max-width: 767px) {
 	.banner-title .post-title {
-		font-size: 2.2rem;
+		font-size: 1.35rem;
 	}
 }