.exercise-detail[data-v-49190584]{background:linear-gradient(135deg,#f5f7fa,#e8f0fe);min-height:100vh;padding-bottom:80px}.exercise-header[data-v-49190584]{position:relative;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:40px 0;overflow:hidden}.header-background[data-v-49190584]{position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="%23fff" opacity=".1"><path d="M1000 100V0L0 100z"/></svg>') no-repeat;background-size:cover}.header-content[data-v-49190584]{position:relative;max-width:1200px;margin:0 auto;padding:0 20px;z-index:2}.breadcrumb[data-v-49190584]{margin-bottom:30px}.breadcrumb[data-v-49190584] .el-breadcrumb__inner,.breadcrumb[data-v-49190584] .el-breadcrumb__inner a{color:hsla(0,0%,100%,.9);display:flex;align-items:center;transition:all .3s ease}.breadcrumb[data-v-49190584] .el-breadcrumb__inner a:hover{color:#fff;transform:translateX(2px)}.breadcrumb[data-v-49190584] .el-breadcrumb__inner i{margin-right:5px}.exercise-info[data-v-49190584]{display:flex;flex-direction:column;gap:15px}.exercise-title[data-v-49190584]{font-size:2em;margin:0;font-weight:600}.exercise-meta[data-v-49190584]{display:flex;gap:30px;flex-wrap:wrap}.meta-item[data-v-49190584]{display:flex;align-items:center;font-size:.9em}.meta-item i[data-v-49190584]{margin-right:8px;font-size:1.1em}.status-tags[data-v-49190584]{display:flex;gap:10px}.exercise-content-section[data-v-49190584]{max-width:1200px;margin:30px auto;padding:0 20px}.content-container[data-v-49190584]{background:#fff;border-radius:12px;box-shadow:0 2px 12px rgba(0,0,0,.1);overflow:hidden}.exercise-tabs[data-v-49190584] .el-tabs__header{margin:0;background:#f8f9fa}.exercise-tabs[data-v-49190584] .el-tabs__content{padding:30px}.problem-content[data-v-49190584]{font-size:16px;line-height:1.6}.problem-text[data-v-49190584]{margin-bottom:30px;padding:20px;background:#f8f9fa;border-radius:8px}.problem-text[data-v-49190584] h1,.problem-text[data-v-49190584] h2,.problem-text[data-v-49190584] h3{color:#2c3e50;margin-top:20px;margin-bottom:10px}.problem-options h4[data-v-49190584],.text-answer-area h4[data-v-49190584]{color:#2c3e50;margin-bottom:20px;font-size:1.2em}.answer-comparison[data-v-49190584]{margin-bottom:30px}.comparison-row[data-v-49190584]{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-bottom:20px}.correct-answer-column[data-v-49190584],.my-answer-column[data-v-49190584]{background:#f8f9fa;border-radius:8px;padding:20px}.my-answer-column[data-v-49190584]{border-left:4px solid #409eff}.correct-answer-column[data-v-49190584]{border-left:4px solid #67c23a}.section-header[data-v-49190584]{display:flex;align-items:center;margin-bottom:15px}.section-header i[data-v-49190584]{margin-right:8px;font-size:1.2em;color:#409eff}.section-header h4[data-v-49190584]{margin:0;color:#2c3e50;font-size:1.1em}.option-badge[data-v-49190584]{display:inline-flex;align-items:center;padding:8px 12px;margin:4px 8px 4px 0;border-radius:6px;font-size:.9em;font-weight:500;background:#e8f4fd;color:#409eff;border:1px solid #b3d8ff}.option-badge.correct[data-v-49190584]{background:#f0f9ff;color:#67c23a;border-color:#b3e19d}.option-badge.wrong[data-v-49190584]{background:#fef0f0;color:#f56c6c;border-color:#fbc4c4}.option-badge i[data-v-49190584]{margin-left:6px;font-size:.9em}.no-answer[data-v-49190584]{display:flex;align-items:center;color:#909399}.no-answer i[data-v-49190584]{margin-right:6px}.code-display[data-v-49190584]{background:#2d3748;border-radius:6px;padding:15px;overflow-x:auto}.code-display pre[data-v-49190584]{margin:0;color:#e2e8f0;font-family:Consolas,Monaco,Courier New,monospace;font-size:.9em;line-height:1.5}.result-analysis[data-v-49190584]{margin-bottom:30px;padding:20px;background:linear-gradient(135deg,#f8f9fa,#e9ecef);border-radius:8px;border:1px solid #dee2e6}.result-summary[data-v-49190584]{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:15px;border-bottom:1px solid #dee2e6}.result-badge[data-v-49190584]{display:flex;align-items:center;padding:8px 16px;border-radius:20px;font-weight:600;font-size:.9em}.result-badge.result-correct[data-v-49190584]{background:#f0f9ff;color:#67c23a;border:2px solid #b3e19d}.result-badge.result-wrong[data-v-49190584]{background:#fef0f0;color:#f56c6c;border:2px solid #fbc4c4}.result-badge.result-partial[data-v-49190584]{background:#fdf6ec;color:#e6a23c;border:2px solid #f5dab1}.result-badge i[data-v-49190584]{margin-right:6px;font-size:1.1em}.score-display[data-v-49190584]{display:flex;align-items:baseline;gap:4px;font-size:1.2em}.score-display .score[data-v-49190584]{font-size:1.8em;font-weight:700;color:#2c3e50}.score-display .total[data-v-49190584]{color:#909399}.score-display .percentage[data-v-49190584]{color:#409eff;font-weight:600;margin-left:8px}.error-analysis[data-v-49190584]{margin-top:15px;padding:15px;background:#fef0f0;border-radius:6px;border-left:4px solid #f56c6c}.error-tips h5[data-v-49190584]{margin:0 0 10px 0;color:#f56c6c;font-size:1em;display:flex;align-items:center}.error-tips h5 i[data-v-49190584]{margin-right:6px}.tips-content p[data-v-49190584]{margin:0;color:#666;line-height:1.5}.knowledge-points[data-v-49190584]{margin-top:15px}.knowledge-points h5[data-v-49190584]{margin:0 0 10px 0;color:#409eff;font-size:1em;display:flex;align-items:center}.knowledge-points h5 i[data-v-49190584]{margin-right:6px}.points-list[data-v-49190584]{display:flex;flex-wrap:wrap;gap:8px}.point-tag[data-v-49190584]{margin:0}.teacher-comment[data-v-49190584]{margin-bottom:30px;background:#f0f9ff;border-left:4px solid #409eff}.comment-text[data-v-49190584]{color:#2c3e50;line-height:1.6;font-size:.95em}.stats-grid[data-v-49190584]{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.stat-card[data-v-49190584]{display:flex;align-items:center;padding:20px;background:#fff;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.1);transition:transform .2s ease}.stat-card[data-v-49190584]:hover{transform:translateY(-2px)}.stat-icon[data-v-49190584]{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-right:15px;font-size:1.5em}.stat-icon.score-icon[data-v-49190584]{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.stat-icon.total-icon[data-v-49190584]{background:linear-gradient(135deg,#f093fb,#f5576c);color:#fff}.stat-icon.time-icon[data-v-49190584]{background:linear-gradient(135deg,#4facfe,#00f2fe);color:#fff}.stat-icon.accuracy-icon[data-v-49190584]{background:linear-gradient(135deg,#43e97b,#38f9d7);color:#fff}.stat-content[data-v-49190584]{flex:1}.stat-value[data-v-49190584]{color:#2c3e50;line-height:1;margin-bottom:4px}.stat-label[data-v-49190584]{color:#909399}@media (max-width:768px){.comparison-row[data-v-49190584]{grid-template-columns:1fr;gap:20px}.result-summary[data-v-49190584]{flex-direction:column;gap:15px;align-items:flex-start}.stats-grid[data-v-49190584]{grid-template-columns:1fr}.stat-card[data-v-49190584]{padding:15px}.stat-icon[data-v-49190584]{width:40px;height:40px;font-size:1.2em;margin-right:12px}.stat-value[data-v-49190584]{font-size:1.5em}}.options-list[data-v-49190584]{display:flex;flex-direction:column;gap:15px}.option-item[data-v-49190584]{display:flex;align-items:center;padding:15px 20px;border:2px solid #e1e8ed;border-radius:8px;cursor:pointer;transition:all .3s ease;position:relative}.option-item[data-v-49190584]:hover{border-color:#409eff;background:#f0f9ff}.option-item.selected[data-v-49190584]{border-color:#409eff;background:#ecf5ff}.option-item.correct[data-v-49190584]{border-color:#67c23a;background:#f0f9ff}.option-item.wrong[data-v-49190584]{border-color:#f56c6c;background:#fef0f0}.option-label[data-v-49190584]{display:flex;align-items:center;justify-content:center;width:30px;height:30px;background:#409eff;color:#fff;border-radius:50%;font-weight:700;margin-right:15px;flex-shrink:0}.option-item.selected .option-label[data-v-49190584]{background:#409eff}.option-item.correct .option-label[data-v-49190584]{background:#67c23a}.option-item.wrong .option-label[data-v-49190584]{background:#f56c6c}.option-text[data-v-49190584]{flex:1;font-size:1em}.correct-mark[data-v-49190584]{color:#67c23a;font-size:1.5em;margin-left:10px}.text-answer-area[data-v-49190584]{margin-top:20px}.my-answer-section[data-v-49190584]{display:flex;flex-direction:column;gap:30px}.answer-display h4[data-v-49190584],.answer-statistics h4[data-v-49190584],.correct-answer-section h4[data-v-49190584],.teacher-comment h4[data-v-49190584]{color:#2c3e50;margin-bottom:15px;font-size:1.2em}.choice-answer[data-v-49190584],.correct-answer[data-v-49190584],.text-answer[data-v-49190584]{padding:15px;background:#f8f9fa;border-radius:8px;border-left:4px solid #409eff}.no-answer[data-v-49190584]{color:#95a5a6;font-style:italic}.correct-answer pre[data-v-49190584],.text-answer pre[data-v-49190584]{margin:0;white-space:pre-wrap;word-wrap:break-word;font-family:inherit}.teacher-comment[data-v-49190584]{background:#fff7e6;padding:20px;border-radius:8px;border-left:4px solid #e6a23c}.comment-content[data-v-49190584]{color:#333;line-height:1.6}.stats-grid[data-v-49190584]{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:20px}.stat-item[data-v-49190584]{text-align:center;padding:20px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:8px}.stat-value[data-v-49190584]{font-size:1.8em;font-weight:700;margin-bottom:5px}.stat-label[data-v-49190584]{font-size:.9em;opacity:.9}.exercise-actions[data-v-49190584],.submitted-status[data-v-49190584]{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid #e1e8ed;box-shadow:0 -2px 12px rgba(0,0,0,.1);z-index:1000}.actions-container[data-v-49190584],.status-container[data-v-49190584]{max-width:1200px;margin:0 auto;padding:20px;display:flex;justify-content:space-between;align-items:center}.action-info[data-v-49190584]{color:#7f8c8d;font-size:.9em}.action-buttons[data-v-49190584]{display:flex;gap:15px}.status-container[data-v-49190584]{justify-content:center;gap:15px}.status-container i[data-v-49190584]{color:#67c23a;font-size:1.2em}@media (max-width:768px){.exercise-meta[data-v-49190584]{flex-direction:column;gap:10px}.actions-container[data-v-49190584]{flex-direction:column;gap:15px;text-align:center}.action-buttons[data-v-49190584]{width:100%}.action-buttons .el-button[data-v-49190584]{flex:1}.stats-grid[data-v-49190584]{grid-template-columns:repeat(2,1fr)}.option-item[data-v-49190584]{padding:12px 15px}.option-label[data-v-49190584]{width:25px;height:25px;font-size:.9em;margin-right:10px}}