修改布局

src/styles/global.css

@@ -844,53 +844,6 @@ h2 {
   font-weight: 800;
 }
 
-.exam-preview-band {
-  background: var(--paper);
-}
-
-.exam-preview-head {
-  display: flex;
-  justify-content: space-between;
-  gap: 18px;
-  align-items: end;
-  margin-bottom: 18px;
-}
-
-.exam-preview-head h2 {
-  margin: 0;
-  color: var(--ink);
-  font-size: clamp(28px, 4vw, 42px);
-}
-
-.exam-preview-frame {
-  overflow: hidden;
-  border: 1px solid var(--line);
-  border-radius: 8px;
-  background: #fffef9;
-  box-shadow: var(--shadow);
-}
-
-.exam-preview-frame iframe {
-  width: 100%;
-  height: min(78vh, 820px);
-  display: block;
-  border: 0;
-  background: #fff;
-}
-
-.exam-preview-frame p {
-  margin: 0;
-  padding: 12px 16px;
-  border-top: 1px solid var(--line);
-  color: var(--muted);
-  font-size: 14px;
-}
-
-.exam-preview-frame a {
-  color: var(--green);
-  font-weight: 800;
-}
-
 .exam-band {
   background:
     linear-gradient(0deg, rgba(244, 247, 238, 0.7), rgba(244, 247, 238, 0.7)),
@@ -1924,15 +1877,6 @@ h2 {
     padding-right: 0;
   }
 
-  .exam-preview-head {
-    display: grid;
-    align-items: start;
-  }
-
-  .exam-preview-head .button {
-    justify-self: start;
-  }
-
   .score-fab {
     position: fixed;
     right: 18px;