style: refine legacy Taro page layouts

apps/taro/src/pages/student/student.css

@@ -208,6 +208,11 @@
   box-shadow: var(--tiku-shadow);
 }
 
+.student-page > .quiet-panel:first-of-type:not(.login-card) {
+  border-color: #bfdbfe;
+  background: linear-gradient(135deg, #eff6ff 0%, #fff 72%);
+}
+
 .list-stack > .quiet-panel:first-child {
   border-radius: 28px;
 }
@@ -231,6 +236,11 @@
   box-shadow: var(--tiku-shadow);
 }
 
+.report-panel .metric,
+.quiet-panel .metric {
+  box-shadow: none;
+}
+
 .learning-report-panel {
   background: #f8fbff;
 }
@@ -359,6 +369,18 @@
   box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
 }
 
+.list-row:nth-child(3n + 1) {
+  border-color: #dbeafe;
+}
+
+.list-row:nth-child(3n + 2) {
+  border-color: #dcfce7;
+}
+
+.list-row:nth-child(3n) {
+  border-color: #fef3c7;
+}
+
 .list-row.active {
   border-color: var(--tiku-primary);
   background: var(--tiku-primary-soft);
@@ -569,6 +591,12 @@
   background: #0f172a;
 }
 
+.student-page .toolbar + .quiet-panel,
+.student-page .toolbar + .report-panel,
+.student-page .section-block + .quiet-panel {
+  margin-top: 18px;
+}
+
 .checkout-toolbar {
   align-items: center;
   overflow-x: visible;
@@ -857,6 +885,15 @@
   gap: 12px;
 }
 
+.student-page > .answer-sheet,
+.quiet-panel + .answer-sheet {
+  padding: 18px;
+  border: 1px solid var(--tiku-border);
+  border-radius: 24px;
+  background: #fff;
+  box-shadow: var(--tiku-shadow);
+}
+
 .answer-card {
   min-width: 0;
   height: 58px;
@@ -1055,6 +1092,11 @@
   background: var(--tiku-card-soft);
 }
 
+.asset-preview-panel .toolbar {
+  flex-wrap: wrap;
+  overflow-x: visible;
+}
+
 .asset-preview-iframe {
   width: 100%;
   height: 720px;
@@ -1350,6 +1392,19 @@
   .toolbar.wrap {
     gap: 14px;
   }
+
+  .student-page .section-block.grid-two,
+  .student-page > .grid-two {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
+
+  .vocabulary-word-grid {
+    grid-template-columns: repeat(3, minmax(0, 1fr));
+  }
+
+  .asset-preview-panel {
+    padding: 30px;
+  }
 }
 
 @media (max-width: 420px) {
@@ -1365,4 +1420,39 @@
   .row-meta {
     font-size: 21px;
   }
+
+  .student-topbar,
+  .amount-row,
+  .split-row {
+    flex-direction: column;
+    align-items: stretch;
+  }
+
+  .toolbar,
+  .toolbar.wrap,
+  .checkout-toolbar,
+  .handbook-search-panel {
+    flex-wrap: wrap;
+    overflow-x: visible;
+  }
+
+  .grid-two,
+  .vocabulary-word-grid,
+  .avatar-choice-grid {
+    grid-template-columns: minmax(0, 1fr);
+  }
+
+  .primary-button,
+  .secondary-button,
+  .pill-button,
+  .danger-button {
+    min-width: 0;
+    flex: 1 1 150px;
+  }
+
+  .asset-preview-frame,
+  .asset-preview-iframe {
+    min-height: 520px;
+    height: 520px;
+  }
 }