.amc-classroom-container[data-v-54db83de]{min-height:100vh;background:#f5f7fa}.amc-header[data-v-54db83de]{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;padding:16px 18px;background:#fff;border-bottom:1px solid #ebeef5}.course-title[data-v-54db83de]{margin:0;font-size:18px;font-weight:600;color:#303133}.content[data-v-54db83de]{padding:16px}.actions[data-v-54db83de]{display:-webkit-box;display:-ms-flexbox;display:flex;gap:10px;margin-bottom:12px}.empty[data-v-54db83de]{background:#fff;border:1px solid #ebeef5;border-radius:12px;padding:18px}.empty-title[data-v-54db83de]{font-size:14px;font-weight:600;color:#303133;margin-bottom:6px}.empty-desc[data-v-54db83de]{font-size:12px;color:#909399}.class-list[data-v-54db83de]{display:grid;grid-template-columns:1fr;gap:12px}.class-card[data-v-54db83de]{background:#fff;border:1px solid #ebeef5;border-radius:12px;padding:14px;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;cursor:pointer;-webkit-transition:all .15s ease;transition:all .15s ease}.class-card[data-v-54db83de]:hover{border-color:#c6d1ff;-webkit-box-shadow:0 6px 18px rgba(102,126,234,.12);box-shadow:0 6px 18px rgba(102,126,234,.12)}.class-name[data-v-54db83de]{font-size:15px;font-weight:600;color:#303133;margin-bottom:6px}.class-meta[data-v-54db83de]{font-size:12px;color:#909399}.class-desc[data-v-54db83de]{margin-top:6px;font-size:12px;color:#606266;line-height:1.4}.card-arrow[data-v-54db83de]{color:#c0c4cc}