修改考试手机端效果

src/styles/global.css

@@ -1178,6 +1178,10 @@ h2 {
   z-index: -1;
 }
 
+.score-fab {
+  display: none;
+}
+
 .score-panel {
   display: grid;
   gap: 12px;
@@ -1780,7 +1784,7 @@ h2 {
 
 @media (max-width: 820px) {
   body:has(.score-sidebar) {
-    padding-bottom: min(52vh, 540px);
+    padding-bottom: 86px;
   }
 
   .site-header {
@@ -1873,16 +1877,60 @@ h2 {
     padding-right: 0;
   }
 
+  .score-fab {
+    position: fixed;
+    right: 18px;
+    bottom: 18px;
+    z-index: 30;
+    width: 58px;
+    height: 58px;
+    display: grid;
+    place-items: center;
+    border: 1px solid rgba(255, 253, 247, 0.62);
+    border-radius: 50%;
+    background: var(--green);
+    color: #fffdf7;
+    box-shadow: 0 16px 38px rgba(13, 20, 19, 0.28);
+    font: inherit;
+    font-size: 22px;
+    font-weight: 900;
+    line-height: 1;
+    cursor: pointer;
+    transition:
+      background 180ms ease,
+      transform 180ms ease,
+      box-shadow 180ms ease;
+  }
+
+  .score-fab[aria-expanded="true"] {
+    background: var(--coral);
+    transform: scale(1.04);
+  }
+
   .score-sidebar {
+    position: fixed;
     top: auto;
     left: 12px;
     right: 12px;
-    bottom: 12px;
+    bottom: 88px;
     width: auto;
-    max-height: min(46vh, 500px);
+    max-height: min(64vh, 560px);
     border-radius: 10px;
     background: rgba(255, 253, 247, 0.96);
     box-shadow: 0 18px 44px rgba(13, 20, 19, 0.22);
+    opacity: 0;
+    pointer-events: none;
+    transform: translateY(14px) scale(0.98);
+    transform-origin: bottom right;
+    transition:
+      opacity 180ms ease,
+      transform 180ms ease;
+  }
+
+  .score-sidebar.is-open {
+    opacity: 1;
+    pointer-events: auto;
+    transform: translateY(0) scale(1);
   }
 
   .score-panel {
@@ -1890,7 +1938,12 @@ h2 {
   }
 
   .score-sidebar-head {
-    padding: 14px 14px 0;
+    position: sticky;
+    top: 0;
+    z-index: 1;
+    padding: 12px 14px 8px;
+    border-bottom: 1px solid var(--line);
+    background: rgba(255, 253, 247, 0.98);
   }
 
   .score-sidebar-head h2 {
@@ -1903,6 +1956,12 @@ h2 {
     font-size: 12px;
   }
 
+  .score-sidebar-head p:not(.eyebrow),
+  .answer-card-profile,
+  .score-total-note {
+    display: none;
+  }
+
   .score-group {
     padding: 12px;
   }
@@ -1933,12 +1992,20 @@ h2 {
     grid-template-columns: repeat(2, minmax(0, 1fr));
   }
 
+  .score-total {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
+
   .score-total > div {
-    border-right: 0;
+    border-right: 1px solid var(--line);
     border-bottom: 1px solid var(--line);
   }
 
-  .score-total > div:last-child {
+  .score-total > div:nth-child(even) {
+    border-right: 0;
+  }
+
+  .score-total > div:nth-last-child(-n + 2) {
     border-bottom: 0;
   }
 
@@ -2037,11 +2104,13 @@ h2 {
   }
 
   .exam-paper {
-    padding: 16px;
+    padding: 14px;
+    border-radius: 0;
   }
 
   .exam-paper p {
     font-size: 15px;
+    line-height: 1.78;
   }
 
   .exam-paper h2 {
@@ -2053,8 +2122,9 @@ h2 {
   }
 
   .exam-question {
-    grid-template-columns: 32px minmax(0, 1fr);
+    grid-template-columns: 30px minmax(0, 1fr);
     gap: 8px;
+    margin-top: 18px !important;
   }
 
   .exam-question-number {
@@ -2065,9 +2135,15 @@ h2 {
 
   .exam-options {
     grid-template-columns: 1fr;
+    gap: 8px;
     margin-left: 0;
   }
 
+  .exam-option {
+    min-height: 42px;
+    padding: 8px 10px;
+  }
+
   .exam-fill-answer {
     grid-template-columns: 1fr;
     margin-left: 0;
@@ -2075,6 +2151,7 @@ h2 {
 
   .name-fill-grid {
     grid-template-columns: 1fr 1fr;
+    gap: 7px;
     margin-left: 0;
     padding: 10px;
   }
@@ -2103,8 +2180,15 @@ h2 {
   .score-sidebar {
     left: 8px;
     right: 8px;
-    bottom: 8px;
-    max-height: 50vh;
+    bottom: 82px;
+    max-height: min(66vh, 520px);
+  }
+
+  .score-fab {
+    right: 14px;
+    bottom: 14px;
+    width: 56px;
+    height: 56px;
   }
 
   .score-group h3 {