修复背景图片、CSS 移动端优化

css/mobile.css

@@ -93,8 +93,8 @@
     }
 }
 
-/*小于660px时*/
-@media (max-width: 660px) {
+/*小于720px时*/
+@media (max-width: 720px) {
 
     /*左侧栏高度*/
     .main-left {
@@ -152,11 +152,23 @@
 
 }
 
-@media (min-width: 660px) {
+/*小于390px时*/
+@media (max-width: 390px) {
+    .main-img img {
+        display: none;
+    }
+}
+
+
+/* 大于720px时 */
+@media (min-width: 720px) {
     .menu {
         display: none !important;
     }
+}
 
+/* 大于992px时 */
+@media (min-width: 992px) {
     /*时钟显示*/
     span#win_text,
     span#win_speed {
@@ -164,10 +176,12 @@
     }
 }
 
-/*小于390px时*/
-@media (max-width: 390px) {
-    .main-img img {
-        display: none;
+/* 大于1400px时 */
+@media (min-width: 1400px) {
+    /*时钟显示*/
+    span#win_text,
+    span#win_speed {
+        display: inline !important;
     }
 }
 

js/main.js

@@ -121,6 +121,7 @@ function time() {
 }
 
 //必应壁纸
+/*
 var url = 'https://bird.ioliu.cn/v1/?url=https://www.bing.com/HPImageArchive.aspx?format=js&idx=0&n=8';
 var imgUrls = JSON.parse(sessionStorage.getItem("imgUrls"));
 var index = sessionStorage.getItem("index");
@@ -152,6 +153,12 @@ if (imgUrls == null) {
     $section.css("background-size", "cover");
     sessionStorage.setItem("index", index);
 }
+*/
+//临时更换图片 api
+var $section = $('#section');
+var url = "https://api.btstu.cn/sjbz/api.php?lx=fengjing&format=images";
+$section.css("background", "url('" + url + "') center center no-repeat #666");
+$section.css("background-size", "cover");
 
 //加载动画
 window.addEventListener('load', function () {