对手机端优化

frontend/assets/css/admin.css

@@ -128,6 +128,13 @@
     height: 18px;
     cursor: pointer;
 }
+/* 扣分类型按钮组 */
+.deduction-types {
+    display: flex;
+    gap: 8px;
+    flex-wrap: wrap;
+}
+
 /* 考勤学生方格网格 */
 .student-grid {
     display: flex;
@@ -199,14 +206,155 @@
     color: #4338ca;
 }
 
+/* ========== 响应式 — 平板 (≤768px) ========== */
 @media (max-width: 768px) {
     .student-cell {
         width: calc(100% / 4 - 10px);
+        min-height: 54px;
+        font-size: 13px;
+    }
+
+    .batch-bar {
+        flex-direction: column;
+        gap: 8px;
+        text-align: center;
+    }
+
+    .filter-bar {
+        flex-direction: column;
+        gap: 10px;
+        padding: 12px;
+    }
+
+    .filter-group {
+        min-width: 100%;
+    }
+
+    .attendance-toolbar {
+        gap: 8px;
+    }
+
+    .attendance-toolbar .status-group {
+        flex-wrap: wrap;
+        gap: 6px;
+    }
+
+    .attendance-toolbar .status-btn {
+        padding: 8px 14px;
+        font-size: 13px;
+        min-height: 40px;
+    }
+
+    .assignment-header {
+        flex-direction: column;
+        align-items: flex-start;
+    }
+
+    .import-area {
+        padding: 20px;
     }
 }
 
+/* ========== 响应式 — 手机 (≤480px) ========== */
 @media (max-width: 480px) {
     .student-cell {
-        width: calc(100% / 3 - 10px);
+        width: calc(100% / 3 - 8px);
+        min-height: 50px;
+        font-size: 12px;
+        padding: 6px 2px;
+        border-radius: 6px;
+    }
+
+    .student-cell-name {
+        font-size: 12px;
+    }
+
+    .student-cell-no {
+        font-size: 10px;
+    }
+
+    .student-grid {
+        gap: 6px;
+        margin: 10px 0;
+    }
+
+    .batch-bar {
+        padding: 10px 12px;
+        border-radius: 6px;
+    }
+
+    .filter-bar {
+        padding: 10px;
+        border-radius: 6px;
+        gap: 8px;
+    }
+
+    .filter-group input,
+    .filter-group select {
+        font-size: 16px; /* 防止 iOS 自动缩放 */
+        padding: 10px 8px;
+        min-height: 40px;
+    }
+
+    .attendance-toolbar {
+        flex-direction: column;
+        align-items: stretch;
+        gap: 8px;
+    }
+
+    .attendance-toolbar .form-group {
+        width: 100%;
+    }
+
+    .attendance-toolbar .form-group input,
+    .attendance-toolbar .form-group select {
+        font-size: 16px;
+    }
+
+    .attendance-toolbar .status-group {
+        display: flex;
+        flex-wrap: wrap;
+        gap: 6px;
+        justify-content: space-between;
+    }
+
+    .attendance-toolbar .status-btn {
+        flex: 1 1 calc(33% - 6px);
+        min-width: 0;
+        text-align: center;
+        padding: 10px 8px;
+    }
+
+    .attendance-toolbar input[type="text"],
+    .attendance-toolbar input[type="number"] {
+        font-size: 16px;
+        width: 100% !important;
+        min-width: 0 !important;
+    }
+
+    .attendance-toolbar .btn {
+        width: 100%;
+    }
+
+    .status-select {
+        font-size: 16px; /* 防止 iOS 自动缩放 */
+        padding: 8px;
+        min-height: 40px;
+    }
+
+    .import-area {
+        padding: 16px;
+    }
+
+    .preview-table {
+        max-height: 200px;
+    }
+
+    .assignment-card {
+        margin-bottom: 12px;
+    }
+
+    .assignment-title {
+        font-size: 14px;
     }
 }