Fix: background stays fixed, remove parallax scroll on about page

index.html

@@ -74,7 +74,6 @@ body{
 /* === Parallax 背景层（滚动速度为前景50%） === */
 .parallax-bg{
   position:fixed;inset:0;z-index:-3;pointer-events:none;
-  transform:translateY(0);will-change:transform;
 }
 .parallax-bg .bg-cover-inner{
   position:absolute;inset:0;
@@ -528,12 +527,6 @@ document.getElementById('usernameInput').addEventListener('keydown', e => {
   if (e.key === 'Enter') doLogin();
 });
 
-// === Parallax Scrolling ===
-window.addEventListener('scroll', () => {
-  const scrolled = window.pageYOffset;
-  document.getElementById('parallaxBg').style.transform = `translateY(${scrolled * 0.5}px)`;
-});
-
 // === Scene Mode Selector ===
 function selectSceneMode(mode) {
   selectedSceneMode = mode;
@@ -619,8 +612,13 @@ async function doDetect() {
     const fd = new FormData();
     fd.append('username', currentUser);
     fd.append('scene_mode', selectedSceneMode);
-    fd.append('files', input.files[0]);
+    fd.append('images', input.files[0]);
     const res = await fetch('/api/detect', { method: 'POST', body: fd });
+    if (!res.ok) {
+      const err = await res.json();
+      alert(err.detail || '检测失败');
+      return;
+    }
     const data = await res.json();
     if (data.error) { alert(data.error); return; }
     renderResult(data);

index.zip

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c697fe120e5598f29fb4ef75e0ea84c315b9e737ce194b76adc42a2e93876565
+size 11504