style:修改首页，产品详情，新品，nasr首页样式

refactor：重构了产品详情的图片预览功能，coyp了一个页面
add：新增了large.js这个是产品详情图片预览相关的

public/static/index/css/topic_nas_index.css

@@ -26,9 +26,11 @@
 	width: 100%;
 	position: relative;
 	overflow: hidden;
-	height: 56.4375rem;
+	max-height: 56.4375rem;
+}
+.narsIndex-banner img{
+  width: 100%;
 }
-
 .narsIndex-banner .mySwiper .swiper-slide {
 	position: relative;
 }
@@ -128,7 +130,7 @@
 	flex-direction: row;
 	justify-content: space-between;
 	height: auto;
-	min-width: 1024px;
+	/* min-width: 1024px; */
 	overflow: hidden;
 	margin: 0 7.5rem;
 }
@@ -436,7 +438,7 @@
 }
 .nars-wlj .wltitem {
 	margin: 0 7.5rem;
-	min-width: 1024px;
+	/* min-width: 1024px; */
 	background: #000;
 	display: flex;
 	flex-direction: row;