.answer-editor-wrapper[data-v-eb505656]{min-height:100vh;background:#f5f5f5;padding:20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.back-link[data-v-eb505656]{display:inline-block;margin-bottom:20px;color:#1677ff;text-decoration:none;font-size:14px;transition:all .2s}.back-link[data-v-eb505656]:hover{color:#4096ff;text-decoration:underline}.answer-editor[data-v-eb505656]{max-width:1200px;margin:0 auto;background:#fff;border-radius:12px;box-shadow:0 4px 12px #0000001a;overflow:hidden}.editor-header[data-v-eb505656]{padding:24px 30px;background:linear-gradient(135deg,#1677ff,#4096ff);color:#fff;display:flex;justify-content:space-between;align-items:center}.editor-header h1[data-v-eb505656]{font-size:24px;font-weight:600;margin:0}.header-actions[data-v-eb505656]{display:flex;gap:12px;align-items:center}.question-selector[data-v-eb505656]{padding:8px 16px;border:none;border-radius:6px;font-size:14px;min-width:220px;background:#fff;color:#1a1a1a;cursor:pointer}.question-selector[data-v-eb505656]:focus{outline:none;box-shadow:0 0 0 2px #ffffff4d}.save-btn[data-v-eb505656],.download-btn[data-v-eb505656]{padding:8px 20px;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;color:#fff}.save-btn[data-v-eb505656]{background:#fff3;border:1px solid rgba(255,255,255,.3)}.save-btn[data-v-eb505656]:hover:not(:disabled){background:#ffffff4d}.save-btn[data-v-eb505656]:disabled{background:#ffffff1a;cursor:not-allowed;opacity:.6}.download-btn[data-v-eb505656]{background:#52c41a}.download-btn[data-v-eb505656]:hover:not(:disabled){background:#73d13d;box-shadow:0 2px 8px #52c41a4d}.download-btn[data-v-eb505656]:disabled{background:#d9d9d9;cursor:not-allowed}.editor-content[data-v-eb505656]{padding:30px;display:flex;flex-direction:column;gap:24px;max-height:calc(100vh - 200px);overflow-y:auto}.answer-item[data-v-eb505656]{background:#fafafa;border:1px solid #e6e6e6;border-radius:8px;padding:20px;transition:all .2s}.answer-item[data-v-eb505656]:hover{box-shadow:0 2px 8px #00000014}.item-header[data-v-eb505656]{margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #e6e6e6}.item-info[data-v-eb505656]{display:flex;gap:16px;flex-wrap:wrap}.item-code[data-v-eb505656],.item-label[data-v-eb505656],.item-type[data-v-eb505656]{padding:4px 12px;background:#e6f4ff;border-radius:4px;font-size:13px;color:#1677ff;font-weight:500}.item-content[data-v-eb505656]{display:flex;flex-direction:column;gap:16px}.field-group[data-v-eb505656]{display:flex;flex-direction:column;gap:8px}.field-group label[data-v-eb505656]{font-size:14px;font-weight:600;color:#262626}.main-label[data-v-eb505656]{font-size:15px;font-weight:700;color:#1677ff;margin-bottom:8px}.label-text[data-v-eb505656]{padding:10px 14px;background:#e6f4ff;border-left:4px solid #1677ff;border-radius:6px;color:#1a1a1a;font-size:15px;font-weight:600;line-height:1.6;margin-top:4px}.remark-text[data-v-eb505656]{padding:10px 14px;background:#f0f7ff;border-left:4px solid #4096ff;border-radius:6px;color:#1a1a1a;font-size:14px;line-height:1.6;margin-top:4px}.answer-input[data-v-eb505656],.annotation-input[data-v-eb505656],.text-input[data-v-eb505656]{padding:10px 12px;border:1px solid #d9d9d9;border-radius:6px;font-size:14px;font-family:Consolas,Monaco,Courier New,monospace;resize:vertical;transition:all .2s;background:#fff}.answer-input[data-v-eb505656]:focus,.annotation-input[data-v-eb505656]:focus,.text-input[data-v-eb505656]:focus{outline:none;border-color:#1677ff;box-shadow:0 0 0 2px #1677ff1a}.text-input[data-v-eb505656]{resize:none}.file-info[data-v-eb505656]{display:flex;gap:16px;font-size:12px;color:#8c8c8c;margin-top:4px}.file-preview-section[data-v-eb505656]{margin-top:8px}.image-preview[data-v-eb505656]{display:flex;flex-direction:column;gap:12px;padding:16px;background:#fafafa;border:1px solid #e8e8e8;border-radius:8px}.preview-image[data-v-eb505656]{max-width:100%;max-height:400px;border-radius:6px;box-shadow:0 2px 8px #0000001a;object-fit:contain;background:#fff;padding:8px}.file-download-section[data-v-eb505656]{display:flex;flex-direction:column;gap:12px;padding:16px;background:#fafafa;border:1px solid #e8e8e8;border-radius:8px}.file-info-display[data-v-eb505656]{display:flex;align-items:center;gap:12px;padding:12px;background:#fff;border-radius:6px;border:1px solid #e8e8e8}.file-type-badge[data-v-eb505656]{padding:4px 12px;background:#1677ff;color:#fff;border-radius:12px;font-size:12px;font-weight:600;text-transform:uppercase}.file-name-display[data-v-eb505656]{font-size:14px;color:#262626;font-weight:500}.file-actions[data-v-eb505656]{display:flex;gap:8px}.action-btn[data-v-eb505656]{padding:8px 16px;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;justify-content:center}.download-btn[data-v-eb505656]{background:#52c41a;color:#fff}.download-btn[data-v-eb505656]:hover{background:#73d13d;transform:translateY(-1px);box-shadow:0 2px 8px #52c41a4d}.upload-btn[data-v-eb505656]{background:#1677ff;color:#fff;cursor:pointer}.upload-btn[data-v-eb505656]:hover{background:#4096ff;transform:translateY(-1px);box-shadow:0 2px 8px #1677ff4d}.file-upload-section[data-v-eb505656]{margin-top:8px}.upload-area[data-v-eb505656]{display:block;cursor:pointer}.upload-placeholder[data-v-eb505656]{padding:40px 20px;background:#fafafa;border:2px dashed #d9d9d9;border-radius:8px;text-align:center;color:#8c8c8c;font-size:14px;transition:all .2s}.upload-placeholder[data-v-eb505656]:hover{border-color:#1677ff;background:#f0f7ff;color:#1677ff}.upload-placeholder span[data-v-eb505656]{display:inline-block;margin-top:8px}.empty-state[data-v-eb505656]{text-align:center;padding:60px 20px;color:#8c8c8c;font-size:16px}.code-fill-section[data-v-eb505656],.normal-answer-section[data-v-eb505656]{margin-bottom:40px}.section-title[data-v-eb505656]{font-size:20px;font-weight:700;color:#1677ff;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid #e6f4ff}.subsection-title[data-v-eb505656]{font-size:18px;font-weight:600;color:#4096ff;margin-bottom:16px;margin-top:24px;padding-bottom:8px;border-bottom:1px solid #e6f4ff}.answers-section[data-v-eb505656]{background:#f0f7ff;border:1px solid #bae0ff;border-radius:8px;padding:20px;margin-bottom:24px}.answers-list[data-v-eb505656]{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}.answer-item-row[data-v-eb505656]{display:flex;align-items:flex-start;gap:12px;background:#fff;padding:12px;border-radius:6px;border:1px solid #d9d9d9}.answer-index[data-v-eb505656]{min-width:80px;font-size:14px;font-weight:600;color:#1677ff;padding-top:8px;flex-shrink:0}.answer-input-small[data-v-eb505656]{flex:1;padding:8px 12px;border:1px solid #d9d9d9;border-radius:6px;font-size:14px;font-family:Consolas,Monaco,Courier New,monospace;resize:vertical;transition:all .2s;background:#fff}.answer-input-small[data-v-eb505656]:focus{outline:none;border-color:#1677ff;box-shadow:0 0 0 2px #1677ff1a}.remove-btn[data-v-eb505656]{width:32px;height:32px;min-width:32px;padding:0;border:none;border-radius:6px;background:#ff4d4f;color:#fff;font-size:20px;font-weight:700;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;flex-shrink:0}.remove-btn[data-v-eb505656]:hover:not(:disabled){background:#ff7875;transform:scale(1.1)}.remove-btn[data-v-eb505656]:disabled{background:#d9d9d9;cursor:not-allowed;opacity:.6}.add-answer-btn[data-v-eb505656]{padding:10px 20px;border:2px dashed #1677ff;border-radius:6px;background:#fff;color:#1677ff;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;width:100%}.add-answer-btn[data-v-eb505656]:hover{background:#e6f4ff;border-color:#4096ff;color:#4096ff}.answers-inline-list[data-v-eb505656]{display:flex;flex-direction:column;gap:12px;margin-top:8px}.answer-item-inline[data-v-eb505656]{display:flex;align-items:flex-start;gap:12px;background:#fafafa;padding:12px;border-radius:6px;border:1px solid #e8e8e8}.answer-index-inline[data-v-eb505656]{min-width:100px;font-size:14px;font-weight:600;color:#1677ff;padding-top:8px;flex-shrink:0}.parts-preview-block[data-v-eb505656]{margin-top:8px;margin-bottom:16px}.parts-code-line[data-v-eb505656]{margin:2px 0;padding:8px 10px;background:#141414;color:#f5f5f5;font-family:SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:12px;line-height:1.6;border-radius:4px;border:1px solid #303030;min-height:32px;display:flex;align-items:center;flex-wrap:wrap;gap:2px}.part-text-display[data-v-eb505656]{color:#f5f5f5;white-space:pre}.part-input-edit[data-v-eb505656]{display:inline-block;min-width:120px;padding:2px 4px;margin:0 2px;border:none;border-bottom:1px solid #666;background:#1e1e1e;color:#ffd666;font-family:inherit;font-size:inherit;vertical-align:bottom;line-height:1.5;white-space:nowrap}.part-input-edit[data-v-eb505656]:focus{outline:none;border-bottom-color:#40a9ff}.part-input-edit[data-v-eb505656]::placeholder{color:#666}.answer-editor-wrapper[data-v-605310f5]{min-height:100vh;background:#f5f5f5;padding:20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.back-link[data-v-605310f5]{display:inline-block;margin-bottom:20px;color:#1677ff;text-decoration:none;font-size:14px;transition:all .2s}.back-link[data-v-605310f5]:hover{color:#4096ff;text-decoration:underline}.answer-editor[data-v-605310f5]{max-width:1200px;margin:0 auto;background:#fff;border-radius:12px;box-shadow:0 4px 12px #0000001a;overflow:hidden}.editor-header[data-v-605310f5]{padding:28px 32px;background:linear-gradient(135deg,#1677ff,#4096ff);color:#fff;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 8px #1677ff33}.editor-header h1[data-v-605310f5]{font-size:24px;font-weight:600;margin:0}.header-actions[data-v-605310f5]{display:flex;gap:12px;align-items:center}.question-selector[data-v-605310f5]{padding:8px 16px;border:none;border-radius:6px;font-size:14px;min-width:220px;background:#fff;color:#1a1a1a;cursor:pointer}.question-selector[data-v-605310f5]:focus{outline:none;box-shadow:0 0 0 2px #ffffff4d}.save-btn[data-v-605310f5]{padding:10px 24px;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s ease;color:#fff;background:#ffffff40;border:1px solid rgba(255,255,255,.4);box-shadow:0 2px 4px #0000001a}.save-btn[data-v-605310f5]:hover:not(:disabled){background:#ffffff59;transform:translateY(-1px);box-shadow:0 4px 8px #00000026}.save-btn[data-v-605310f5]:disabled{background:#ffffff1a;cursor:not-allowed;opacity:.6}.tab-container[data-v-605310f5]{background:#fff;border-bottom:2px solid #e6e6e6;box-shadow:0 2px 4px #00000005}.tab-buttons[data-v-605310f5]{display:flex;gap:0;padding:0;justify-content:flex-start}.tab-btn[data-v-605310f5]{padding:18px 24px;border:none;background:transparent;color:#595959;font-size:15px;font-weight:500;cursor:pointer;transition:all .3s ease;border-bottom:3px solid transparent;position:relative;white-space:nowrap;min-width:140px;text-align:center}.tab-btn[data-v-605310f5]:hover{color:#1677ff;background:#f0f7ff}.tab-btn.active[data-v-605310f5]{color:#1677ff;border-bottom-color:#1677ff;background:#f0f7ff;font-weight:600}.tab-content[data-v-605310f5]{min-height:400px}.editor-content[data-v-605310f5]{padding:30px;display:flex;flex-direction:column;gap:24px;max-height:calc(100vh - 300px);overflow-y:auto}.answer-item[data-v-605310f5]{background:#fff;border:1px solid #e6e6e6;border-radius:12px;padding:24px;transition:all .3s ease;box-shadow:0 2px 4px #0000000a}.answer-item[data-v-605310f5]:hover{box-shadow:0 4px 12px #0000001a;border-color:#bae0ff;transform:translateY(-2px)}.item-header[data-v-605310f5]{margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #e6e6e6}.item-info[data-v-605310f5]{display:flex;gap:16px;flex-wrap:wrap}.item-code[data-v-605310f5],.item-label[data-v-605310f5],.item-type[data-v-605310f5]{padding:6px 14px;background:linear-gradient(135deg,#e6f4ff,#bae0ff);border-radius:6px;font-size:13px;color:#1677ff;font-weight:600;box-shadow:0 1px 3px #1677ff26;border:1px solid rgba(22,119,255,.2)}.item-content[data-v-605310f5]{display:flex;flex-direction:column;gap:16px}.field-group[data-v-605310f5]{display:flex;flex-direction:column;gap:8px}.field-group label[data-v-605310f5]{font-size:14px;font-weight:600;color:#262626}.main-label[data-v-605310f5]{font-size:15px;font-weight:700;color:#1677ff;margin-bottom:8px}.label-text[data-v-605310f5]{padding:12px 16px;background:linear-gradient(135deg,#e6f4ff,#f0f7ff);border-left:4px solid #1677ff;border-radius:8px;color:#1a1a1a;font-size:15px;font-weight:600;line-height:1.6;margin-top:4px;box-shadow:0 1px 3px #1677ff1a}.remark-text[data-v-605310f5]{padding:12px 16px;background:linear-gradient(135deg,#f0f7ff,#e6f4ff);border-left:4px solid #4096ff;border-radius:8px;color:#1a1a1a;font-size:14px;line-height:1.6;margin-top:4px;box-shadow:0 1px 3px #4096ff1a}.answer-input[data-v-605310f5],.annotation-input[data-v-605310f5],.text-input[data-v-605310f5]{padding:12px 14px;border:2px solid #e6e6e6;border-radius:8px;font-size:14px;font-family:Consolas,Monaco,Courier New,monospace;resize:vertical;transition:all .3s ease;background:#fff;width:100%;box-sizing:border-box;cursor:text}.answer-input[data-v-605310f5]:disabled,.annotation-input[data-v-605310f5]:disabled,.text-input[data-v-605310f5]:disabled{background:#f5f5f5;cursor:not-allowed;opacity:.6}.answer-input[data-v-605310f5]:focus,.annotation-input[data-v-605310f5]:focus,.text-input[data-v-605310f5]:focus{outline:none;border-color:#1677ff;background:#fff;box-shadow:0 0 0 3px #1677ff1a}.text-input[data-v-605310f5]{resize:none}.file-info[data-v-605310f5]{display:flex;gap:16px;font-size:12px;color:#8c8c8c;margin-top:4px}.file-preview-section[data-v-605310f5]{margin-top:8px}.image-preview[data-v-605310f5]{display:flex;flex-direction:column;gap:16px;padding:20px;background:linear-gradient(135deg,#fafafa,#fff);border:1px solid #e8e8e8;border-radius:12px;box-shadow:0 2px 8px #0000000a}.preview-image[data-v-605310f5]{max-width:100%;max-height:400px;border-radius:6px;box-shadow:0 2px 8px #0000001a;object-fit:contain;background:#fff;padding:8px}.file-download-section[data-v-605310f5]{display:flex;flex-direction:column;gap:16px;padding:20px;background:linear-gradient(135deg,#fafafa,#fff);border:1px solid #e8e8e8;border-radius:12px;box-shadow:0 2px 8px #0000000a}.file-info-display[data-v-605310f5]{display:flex;align-items:center;gap:16px;padding:16px;background:#fff;border-radius:10px;border:1px solid #e8e8e8;box-shadow:0 1px 3px #0000000d}.file-type-badge[data-v-605310f5]{padding:6px 14px;background:linear-gradient(135deg,#1677ff,#4096ff);color:#fff;border-radius:16px;font-size:12px;font-weight:700;text-transform:uppercase;box-shadow:0 2px 4px #1677ff4d;letter-spacing:.5px}.file-name-display[data-v-605310f5]{font-size:14px;color:#262626;font-weight:500}.file-actions[data-v-605310f5]{display:flex;gap:8px}.action-btn[data-v-605310f5]{padding:10px 20px;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s ease;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 2px 4px #0000001a}.download-btn[data-v-605310f5]{background:linear-gradient(135deg,#52c41a,#73d13d);color:#fff}.download-btn[data-v-605310f5]:hover{background:linear-gradient(135deg,#73d13d,#95de64);transform:translateY(-2px);box-shadow:0 4px 12px #52c41a66}.upload-btn[data-v-605310f5]{background:linear-gradient(135deg,#1677ff,#4096ff);color:#fff;cursor:pointer}.upload-btn[data-v-605310f5]:hover{background:linear-gradient(135deg,#4096ff,#69b7ff);transform:translateY(-2px);box-shadow:0 4px 12px #1677ff66}.file-upload-section[data-v-605310f5]{margin-top:8px}.upload-area[data-v-605310f5]{display:block;cursor:pointer}.upload-placeholder[data-v-605310f5]{padding:48px 24px;background:linear-gradient(135deg,#fafafa,#f5f5f5);border:2px dashed #d9d9d9;border-radius:12px;text-align:center;color:#8c8c8c;font-size:14px;transition:all .3s ease;cursor:pointer}.upload-placeholder[data-v-605310f5]:hover{border-color:#1677ff;background:linear-gradient(135deg,#f0f7ff,#e6f4ff);color:#1677ff;transform:translateY(-2px);box-shadow:0 4px 12px #1677ff26}.upload-placeholder span[data-v-605310f5]{display:inline-block;margin-top:8px}.empty-state[data-v-605310f5]{text-align:center;padding:60px 20px;color:#8c8c8c;font-size:16px}.code-fill-section[data-v-605310f5],.normal-answer-section[data-v-605310f5]{margin-bottom:40px}.section-title[data-v-605310f5]{font-size:22px;font-weight:700;color:#1677ff;margin-bottom:24px;padding-bottom:12px;border-bottom:3px solid #1677ff;position:relative}.section-title[data-v-605310f5]:after{content:"";position:absolute;bottom:-3px;left:0;width:60px;height:3px;background:linear-gradient(90deg,#1677ff,#4096ff);border-radius:2px}.answers-inline-list[data-v-605310f5]{display:flex;flex-direction:column;gap:12px;margin-top:8px}.answer-item-inline[data-v-605310f5]{display:flex;align-items:flex-start;gap:12px;background:#fafafa;padding:12px;border-radius:6px;border:1px solid #e8e8e8}.answer-index-inline[data-v-605310f5]{min-width:100px;font-size:14px;font-weight:600;color:#1677ff;padding-top:8px;flex-shrink:0}.answer-input-small[data-v-605310f5]{flex:1;padding:8px 12px;border:1px solid #d9d9d9;border-radius:6px;font-size:14px;font-family:Consolas,Monaco,Courier New,monospace;resize:vertical;transition:all .2s;background:#fff}.answer-input-small[data-v-605310f5]:focus{outline:none;border-color:#1677ff;box-shadow:0 0 0 2px #1677ff1a}.parts-preview-block[data-v-605310f5]{margin-top:8px;margin-bottom:16px}.parts-code-line[data-v-605310f5]{margin:2px 0;padding:8px 10px;background:#141414;color:#f5f5f5;font-family:SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:12px;line-height:1.6;border-radius:4px;border:1px solid #303030;min-height:32px;display:flex;align-items:center;flex-wrap:wrap;gap:2px}.part-text-display[data-v-605310f5]{color:#f5f5f5;white-space:pre}.part-input-edit[data-v-605310f5]{display:inline-block;min-width:120px;padding:2px 4px;margin:0 2px;border:none;border-bottom:1px solid #666;background:#1e1e1e;color:#ffd666;font-family:inherit;font-size:inherit;vertical-align:bottom;line-height:1.5;white-space:nowrap}.part-input-edit[data-v-605310f5]:focus{outline:none;border-bottom-color:#40a9ff}.part-input-edit[data-v-605310f5]::placeholder{color:#666}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;background:#f5f7fa;color:#333}button{font-family:inherit}.exam-page{display:flex;flex-direction:column;height:100vh}.exam-header{padding:12px 24px;border-bottom:1px solid #e0e6ed;background:#fff}.exam-title{font-size:16px;font-weight:600;margin-bottom:8px}.exam-info{display:flex;justify-content:space-between;align-items:center;font-size:13px}.exam-meta{display:flex;gap:24px}.exam-timer{color:#f5222d;font-weight:600}.timer-value{margin-left:4px}.exam-body{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:8px 8px 12px;overflow:hidden;align-items:stretch}.paper-panel,.answer-panel{background:#fff;border:1px solid #e0e6ed;border-radius:4px;display:flex;flex-direction:column;min-height:0;overflow:hidden;height:100%}.question-tabs{display:flex;flex-wrap:wrap;gap:6px;padding:12px 16px;border-bottom:1px solid #f0f2f5;background:#fafbfc;overflow-x:hidden;overflow-y:auto;min-height:56px;max-height:56px}.question-tabs:after{content:"";flex-basis:calc((100% - 54px)*.1);max-width:calc((100% - 54px)*.1)}.tab-btn{flex:0 0 calc((100% - 54px)*.1);max-width:calc((100% - 54px)*.1);height:32px;padding:0 10px;border-radius:6px;border:1px solid #e0e0e0;background:#fff;font-size:13px;font-weight:500;color:#333;cursor:pointer;box-sizing:border-box;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.tab-btn:hover{border-color:#1677ff;color:#1677ff;background:#f0f7ff}.tab-btn.active{border-color:#1677ff;color:#1677ff;background:#e6f4ff;box-shadow:0 2px 4px #1677ff26;font-weight:600}.tab-btn.marked{position:relative}.tab-btn.marked .mark-icon{display:inline-flex;align-items:center;margin-right:4px;color:#ff4d4f;vertical-align:middle}.tab-btn.marked .mark-icon svg{width:12px;height:12px}.ghost-btn{display:flex;align-items:center;gap:6px}.ghost-btn .flag-icon{width:16px;height:16px;flex-shrink:0}.ghost-btn.marked{background:#fff7e6;border-color:#ffd591;color:#d46b08}.ghost-btn.marked .flag-icon{color:#ff4d4f;fill:#ff4d4f}.paper-toolbar{display:flex;gap:8px;padding:10px 16px;border-bottom:1px solid #f0f2f5;align-items:center;min-height:48px}.paper-viewer{flex:1;padding:12px 24px;overflow-y:auto;background:#fdfdfd}.paper-title-box{text-align:center;margin-bottom:16px;padding:8px 0;background:#fff}.paper-title{font-size:18px;font-weight:600;color:#333;margin:0;padding:0}.paper-info{margin-bottom:20px;line-height:1.8}.paper-info-item{margin:8px 0;font-size:14px}.paper-info-label{font-weight:500;color:#333}.paper-info-value{color:#333;margin-left:4px}.paper-section-title{margin-top:12px;font-weight:600}.word-content{line-height:1.6;color:#333}.word-content p{margin:8px 0}.word-content h1,.word-content h2,.word-content h3{margin:16px 0 8px;font-weight:600}.word-content table{width:100%;border-collapse:collapse;margin:12px 0}.word-content table td,.word-content table th{border:1px solid #ddd;padding:8px}.word-content ul,.word-content ol{margin:8px 0;padding-left:24px}.paper-text{line-height:1.6;font-size:14px}.answer-header{padding:10px 16px;border-bottom:1px solid #f0f2f5;background:#fafbfc;display:flex;justify-content:space-between;align-items:center}.warm-reminder{display:flex;align-items:center;gap:6px;padding:6px 12px;background:#fff1f0;border:1px solid #ffccc7;border-radius:4px;font-size:12px;color:#ff4d4f}.reminder-icon{font-size:14px}.reminder-text{font-size:12px}.answer-title{font-size:14px;font-weight:600;display:flex;align-items:center;gap:4px}.answered-incomplete{color:#ff4d4f;font-weight:700}.answered-complete{color:#52c41a;font-weight:700}.saved-count{margin-left:12px;color:#1677ff;font-size:13px;font-weight:500}.answer-block{flex:1;display:flex;flex-direction:column;padding:20px 24px 24px;overflow-y:auto;background:#fafbfc}.answer-block-title{margin:0 0 12px;font-size:14px}.answer-sub-title{font-size:13px;font-weight:600;margin:4px 0 8px}.question-item-block{margin-bottom:24px;padding:20px;background:#fff;border-radius:8px;border:1px solid #e8e8e8;box-shadow:0 2px 8px #0000000a;transition:all .3s ease}.question-item-block:hover{box-shadow:0 4px 12px #00000014;border-color:#d4e6ff}.question-item-title{font-size:18px;font-weight:700;margin-bottom:12px;color:#1677ff;display:flex;align-items:center;gap:8px}.question-item-title:before{content:"";width:4px;height:18px;background:linear-gradient(135deg,#1677ff,#4096ff);border-radius:2px}.question-item-content{font-size:16px;line-height:1.8;color:#1a1a1a;font-weight:600;margin-bottom:20px;padding:16px 20px;background:#f0f7ff;border-radius:8px;border-left:4px solid #1677ff;box-shadow:0 2px 8px #1677ff1a}.answer-item-wrapper{margin-bottom:20px;padding:16px;background:#fafbfc;border-radius:6px;border:1px solid #f0f0f0;transition:all .2s ease}.answer-item-wrapper:hover{background:#f5f7fa;border-color:#e6f0ff}.input-answer-item{margin-bottom:0}.input-label-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;gap:12px}.input-label{font-size:15px;font-weight:600;color:#262626;display:flex;align-items:center;gap:8px}.label-icon{width:16px;height:16px;flex-shrink:0;color:#1677ff}.answer-status{font-size:12px;display:flex;align-items:center}.answer-actions{display:flex;align-items:center;gap:12px}.view-answer-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid #d9d9d9;border-radius:6px;background:#fff;color:#595959;font-size:12px;cursor:pointer;transition:all .2s ease;white-space:nowrap}.view-answer-btn:hover{border-color:#1677ff;color:#1677ff;background:#f0f7ff}.view-icon{width:14px;height:14px;flex-shrink:0}.standard-answer{margin-top:20px;margin-bottom:16px;padding:16px;background:#f0f9ff;border:1px solid #bae6fd;border-radius:8px;border-left:4px solid #3b82f6;box-shadow:0 1px 3px #0000000d;user-select:text;-webkit-user-select:text;-moz-user-select:text;-ms-user-select:text}.answer-label{font-size:14px;font-weight:600;color:#1e40af;margin-bottom:10px}.answer-content{font-size:14px;color:#1f2937;line-height:1.7;white-space:pre-wrap;word-break:break-word;user-select:text;-webkit-user-select:text;-moz-user-select:text;-ms-user-select:text}.answer-annotation{margin-top:18px;padding-top:18px;border-top:1px solid #dbeafe}.annotation-label{font-size:13px;font-weight:600;color:#2563eb;margin-bottom:8px}.annotation-content{font-size:13px;color:#4b5563;line-height:1.7;white-space:pre-wrap;word-break:break-word;background:#eff6ff;padding:12px;border-radius:6px;user-select:text;-webkit-user-select:text;-moz-user-select:text;-ms-user-select:text}.download-answer-btn{margin-top:8px;padding:6px 12px;border:1px solid #52c41a;border-radius:4px;background:#fff;color:#52c41a;font-size:12px;cursor:pointer;transition:all .2s ease}.download-answer-btn:hover{background:#f6ffed;border-color:#73d13d}.status-pending{color:#ff7875;background:linear-gradient(135deg,#fff1f0,#ffe7e5);border:1.5px solid #ffccc7;padding:5px 12px;border-radius:14px;font-weight:600;display:inline-flex;align-items:center;gap:5px;white-space:nowrap;box-shadow:0 1px 3px #ff4d4f26;font-size:12px}.status-answered{color:#4096ff;background:linear-gradient(135deg,#e6f4ff,#d4e6ff);border:1.5px solid #91caff;padding:5px 12px;border-radius:14px;font-weight:600;display:inline-flex;align-items:center;gap:5px;white-space:nowrap;box-shadow:0 1px 3px #1677ff26;font-size:12px}.status-saved{color:#73d13d;background:linear-gradient(135deg,#f6ffed,#e6f7e0);border:1.5px solid #b7eb8f;padding:5px 12px;border-radius:14px;font-weight:600;display:inline-flex;align-items:center;gap:5px;white-space:nowrap;box-shadow:0 1px 3px #52c41a26;font-size:12px}.answer-input{width:100%;padding:10px 14px;border:1.5px solid #d9d9d9;border-radius:6px;font-size:14px;font-family:inherit;transition:all .2s ease;background:#fff}.answer-input:hover{border-color:#91caff}.answer-input:focus{outline:none;border-color:#1677ff;box-shadow:0 0 0 3px #1677ff1a;background:#fff}.answer-textarea{width:100%;padding:10px 14px;border:1.5px solid #d9d9d9;border-radius:6px;font-size:14px;font-family:inherit;transition:all .2s ease;background:#fff;resize:none;overflow-y:auto;line-height:1.5;min-height:80px;max-height:200px;white-space:pre-wrap;word-wrap:break-word}.answer-textarea:hover{border-color:#91caff}.answer-textarea:focus{outline:none;border-color:#1677ff;box-shadow:0 0 0 3px #1677ff1a;background:#fff}.char-count{font-size:12px;color:#8c8c8c;text-align:right;margin-top:6px;font-weight:400}.item-save-section{margin-top:20px;padding-top:16px;border-top:2px solid #f0f0f0;text-align:right}.item-save-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:6px 14px;background:linear-gradient(135deg,#1677ff,#4096ff);border:none;color:#fff;border-radius:6px;font-size:12px;font-weight:500;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 6px #1677ff33;height:32px;box-sizing:border-box}.item-save-btn:hover{background:linear-gradient(135deg,#4096ff,#69b7ff);box-shadow:0 4px 12px #1677ff4d;transform:translateY(-1px)}.item-save-btn:active{transform:translateY(0);box-shadow:0 2px 6px #1677ff33}.item-save-btn .save-icon{font-size:14px}.question-nav-section{margin-top:32px;padding:20px;background:linear-gradient(135deg,#fafbfc,#f0f5ff);border-radius:12px;border:1px solid #e6f0ff;display:flex;justify-content:space-between;align-items:center;gap:16px;box-shadow:0 2px 8px #1677ff14}.nav-btn{flex:1;max-width:200px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);border:2px solid #d9d9d9;background:linear-gradient(135deg,#fff,#fafafa);color:#595959;position:relative;overflow:hidden;box-shadow:0 2px 4px #0000000d}.nav-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(22,119,255,.15),transparent);transition:left .6s ease}.nav-btn:hover{border-color:#1677ff;color:#1677ff;background:linear-gradient(135deg,#fff,#f0f7ff);transform:translateY(-2px);box-shadow:0 6px 16px #1677ff40}.nav-btn:hover:before{left:100%}.nav-btn:active{transform:translateY(0);box-shadow:0 2px 6px #1677ff33}.prev-btn{flex-direction:row-reverse}.prev-btn:after{content:"←";font-size:18px;font-weight:700;transition:transform .3s ease}.prev-btn:hover:after{transform:translate(-3px)}.next-btn{margin-left:auto}.next-btn:after{content:"→";font-size:18px;font-weight:700;transition:transform .3s ease}.next-btn:hover:after{transform:translate(3px)}.file-answer-item{margin-bottom:0}.file-upload-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;flex-wrap:wrap;gap:12px}.file-upload-actions{margin-top:8px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.upload-btn-new{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:6px 14px;background:linear-gradient(135deg,#1677ff,#4096ff);border:2px solid transparent;color:#fff;border-radius:6px;font-size:12px;font-weight:500;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;box-shadow:0 2px 6px #1677ff33;height:32px;box-sizing:border-box}.upload-btn-new:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#fff3;transform:translate(-50%,-50%);transition:width .6s,height .6s}.upload-btn-new:hover{background:linear-gradient(135deg,#4096ff,#69b7ff);box-shadow:0 4px 16px #1677ff59;transform:translateY(-2px)}.upload-btn-new:hover:before{width:300px;height:300px}.upload-btn-new:active{transform:translateY(0);box-shadow:0 2px 8px #1677ff40}.upload-btn-new span{position:relative;z-index:1}.upload-icon{width:14px;height:14px;position:relative;z-index:1;flex-shrink:0}.upload-icon path{stroke:currentColor}.file-upload-text{font-size:14px;color:#595959;font-weight:600;flex:1;min-width:200px;line-height:1.5;display:flex;align-items:center;gap:8px}.file-name-wrapper{display:inline-flex;align-items:center;padding:6px 12px;height:32px;box-sizing:border-box;background:#f6ffed;border:1px solid #b7eb8f;border-radius:6px}.file-name{font-size:13px;color:#52c41a;display:inline-flex;align-items:center;gap:6px}.file-name:before{content:"📎";font-size:14px}.delete-file-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;background:#fff;border:1px solid #ffccc7;color:#ff4d4f;cursor:pointer;border-radius:6px;transition:all .2s;flex-shrink:0;opacity:.8}.delete-file-btn:hover{background:#ff4d4f;color:#fff;border-color:#ff4d4f;opacity:1;transform:translateY(-1px);box-shadow:0 2px 4px #ff4d4f33}.delete-file-btn:active{transform:translateY(0);box-shadow:0 1px 2px #ff4d4f33}.delete-icon{width:14px;height:14px}.code-fill-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;background:#000;border:2px solid #000000;color:#fff;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;box-shadow:0 2px 8px #0003;height:44px;box-sizing:border-box}.code-fill-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);transition:left .5s ease}.code-fill-btn:hover{background:#262626;border-color:#262626;color:#fff;box-shadow:0 4px 16px #0000004d;transform:translateY(-2px)}.code-fill-btn:hover:before{left:100%}.code-fill-btn:active{transform:translateY(0);box-shadow:0 2px 8px #0003;background:#000}.code-icon{width:18px;height:18px;position:relative;z-index:1;flex-shrink:0}.code-icon path{stroke:currentColor}.save-answer-section{margin-top:32px;padding:32px 24px;background:linear-gradient(135deg,#f0f5ff,#e6f4ff);border-radius:12px;border:2px solid #91caff;text-align:center;box-shadow:0 2px 8px #1677ff1a;display:flex;justify-content:center;gap:16px;flex-wrap:wrap}.save-answer-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 48px;background:linear-gradient(135deg,#52c41a,#73d13d);border:none;color:#fff;border-radius:10px;font-size:17px;font-weight:700;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 16px #52c41a4d;position:relative;overflow:hidden;letter-spacing:.5px}.save-answer-btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s,height .6s}.save-answer-btn:hover{background:linear-gradient(135deg,#73d13d,#95de64);box-shadow:0 8px 24px #52c41a66;transform:translateY(-3px)}.save-answer-btn:hover:before{width:400px;height:400px}.save-answer-btn:active{transform:translateY(-1px);box-shadow:0 4px 16px #52c41a4d}.save-answer-btn span{position:relative;z-index:1}.clear-answer-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;background:linear-gradient(135deg,#ff4d4f,#ff7875);border:none;color:#fff;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;box-shadow:0 2px 8px #ff4d4f40}.clear-answer-btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#fff3;transform:translate(-50%,-50%);transition:width .6s,height .6s}.clear-answer-btn:hover{background:linear-gradient(135deg,#ff7875,#ffa39e);box-shadow:0 4px 16px #ff4d4f59;transform:translateY(-2px)}.clear-answer-btn:hover:before{width:300px;height:300px}.clear-answer-btn:active{transform:translateY(0);box-shadow:0 2px 8px #ff4d4f40}.clear-icon{width:18px;height:18px;position:relative;z-index:1;flex-shrink:0}.save-icon{width:22px;height:22px;position:relative;z-index:1;flex-shrink:0}.save-icon path{fill:currentColor}.clear-answer-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 48px;background:linear-gradient(135deg,#ff4d4f,#ff7875);border:none;color:#fff;border-radius:10px;font-size:17px;font-weight:700;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 16px #ff4d4f4d;position:relative;overflow:hidden;letter-spacing:.5px}.clear-answer-btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s,height .6s}.clear-answer-btn:hover{background:linear-gradient(135deg,#ff7875,#ffa39e);box-shadow:0 8px 24px #ff4d4f66;transform:translateY(-3px)}.clear-answer-btn:hover:before{width:400px;height:400px}.clear-answer-btn:active{transform:translateY(-1px);box-shadow:0 4px 16px #ff4d4f4d}.clear-answer-btn span{position:relative;z-index:1}.clear-icon{width:22px;height:22px;position:relative;z-index:1;flex-shrink:0}.clear-icon path{stroke:currentColor}.save-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:10000;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.save-modal{background:#fff;border-radius:12px;padding:32px 48px;box-shadow:0 8px 32px #0003;display:flex;flex-direction:column;align-items:center;gap:16px;min-width:280px;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.save-modal-icon{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,#52c41a,#73d13d);display:flex;align-items:center;justify-content:center;color:#fff;animation:scaleIn .3s ease .1s both}@keyframes scaleIn{0%{transform:scale(0)}to{transform:scale(1)}}.save-modal-icon svg{width:32px;height:32px}.save-modal-message{font-size:16px;font-weight:600;color:#262626;text-align:center}.confirm-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:10001;animation:fadeIn .3s ease;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.confirm-modal{background:#fff;border-radius:16px;padding:32px;box-shadow:0 12px 48px #00000026;min-width:420px;max-width:480px;animation:slideUp .3s ease;overflow:hidden}.confirm-modal-header{display:flex;align-items:flex-start;gap:16px;margin-bottom:20px}.confirm-modal-icon{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,#1677ff,#4096ff);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;animation:scaleIn .3s ease .1s both;box-shadow:0 4px 12px #1677ff40}.confirm-modal-icon svg{width:20px;height:20px}.confirm-modal-title{font-size:18px;font-weight:600;color:#1a1a1a;flex:1;line-height:1.4;margin-top:2px}.confirm-modal-message{padding:0;margin-bottom:24px;font-size:14px;color:#666;line-height:1.6;text-align:left}.confirm-modal-actions{display:flex;gap:10px;padding:0;justify-content:flex-end}.confirm-btn-cancel,.confirm-btn-ok{padding:8px 20px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease;border:none;min-width:80px;height:36px}.confirm-btn-cancel{background:#f5f5f5;color:#666}.confirm-btn-cancel:hover{background:#e8e8e8;color:#333}.confirm-btn-ok{background:#1677ff;color:#fff;box-shadow:0 2px 8px #1677ff40}.confirm-btn-ok:hover{background:#4096ff;box-shadow:0 4px 12px #1677ff59;transform:translateY(-1px)}.confirm-btn-ok:active{transform:translateY(0);box-shadow:0 2px 6px #1677ff40}.empty-answer-tip{padding:60px 40px;text-align:center;color:#8c8c8c;font-size:15px;background:#fff;border-radius:8px;border:2px dashed #d9d9d9;margin:20px 0}.empty-answer-tip p{margin:8px 0;line-height:1.6}.empty-answer-tip p:first-child{font-size:16px;font-weight:500;color:#595959}.upload-row{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;border:1px dashed #d9d9d9;border-radius:4px;margin-bottom:8px;font-size:13px}.suggestion-item{margin-top:12px}.suggestion-label{margin-bottom:4px;font-size:13px}.suggestion-input{width:100%;resize:vertical;padding:6px 8px;border-radius:4px;border:1px solid #d9d9d9;font-size:13px;font-family:inherit}.answer-footer{display:flex;justify-content:space-between;margin-top:16px}.answer-footer-right{display:flex;flex-direction:column;align-items:flex-end;gap:8px}.submit-btn{min-width:140px;height:36px;font-size:14px}.next-btn{min-width:110px}.code-panel{margin-top:8px;border-radius:4px;background:#141414;border:1px solid #303030;padding:8px 10px 10px;color:#f5f5f5;display:flex;flex-direction:column;flex:1;min-height:0}.code-panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;font-size:12px;color:#bfbfbf}.code-block{margin:0;padding:8px 10px;background:#141414;color:#f5f5f5;font-family:SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:12px;line-height:1.6;overflow:auto;border-radius:4px;border:1px solid #303030}.code-editor{width:100%;flex:1;min-height:0;padding:8px 10px;background:#141414;color:#f5f5f5;font-family:SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:12px;line-height:1.6;border-radius:4px;border:1px solid #303030;resize:vertical;outline:none;white-space:pre}.code-input{display:inline-block;min-width:120px;padding:2px 4px;margin:0 2px;border:none;border-bottom:1px solid #666;background:#1e1e1e;color:#ffd666;font-family:inherit;font-size:inherit;vertical-align:bottom;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.code-input:focus{outline:none;border-bottom-color:#40a9ff}.code-input.input-error{color:#ff4d4f;border-bottom-color:#ff4d4f}.code-line{margin:2px 0;padding:2px 0;position:relative}.check-btn{margin-left:8px;padding:2px 8px;font-size:11px;background:#52c41a;border:1px solid #52c41a;color:#fff;border-radius:3px;cursor:pointer;transition:all .2s}.check-btn:hover{background:#73d13d;border-color:#73d13d}.code-fill-btn-small{display:flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid #d9d9d9;border-radius:6px;background:#000;color:#fff;font-size:12px;cursor:pointer;transition:all .2s ease;white-space:nowrap}.code-fill-btn-small:hover{background:#262626;border-color:#262626;color:#fff}.code-icon-small{width:14px;height:14px;flex-shrink:0}.code-icon-small path{stroke:currentColor}.answer-btn{display:inline-flex;align-items:center;justify-content:center;margin-left:8px;padding:2px 8px;font-size:11px;background:#1677ff;border:1px solid #1677ff;color:#fff;border-radius:3px;cursor:pointer;transition:all .2s;height:20px;line-height:1;white-space:nowrap}.answer-btn:hover{background:#4096ff;border-color:#4096ff}.check-result{display:inline-flex;align-items:center;justify-content:center;margin-left:8px;padding:2px 6px;border-radius:3px;font-size:14px;font-weight:600;height:20px;min-width:20px;line-height:1;white-space:nowrap}.check-result.correct{color:#52c41a;background:#f6ffed;border:1px solid #b7eb8f}.check-result.wrong{color:#ff4d4f;background:#fff1f0;border:1px solid #ffccc7}.answer-display{margin-top:6px;margin-left:0;padding:6px 10px;background:#1e3a5f;border-left:3px solid #1677ff;border-radius:3px;color:#87ceeb;font-size:11px;font-family:SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}.code-answer-content{margin-bottom:0;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.answer-display .answer-annotation{margin-top:10px;padding-top:10px;border-top:1px solid #2d4a6b}.answer-display .annotation-label{font-size:11px;font-weight:600;color:#69b7ff;margin-bottom:6px}.answer-display .annotation-content{font-size:11px;color:#a8d8ff;line-height:1.6;white-space:pre-wrap;word-break:break-word;background:#1a2f4a;padding:8px;border-radius:4px;border-left:2px solid #1677ff;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;word-break:break-all}.secondary-btn.small{padding:2px 8px;font-size:12px}.score-panel{margin-top:16px;border-top:1px solid #f0f2f5;padding-top:12px}.score-summary{font-size:14px;font-weight:600;margin-bottom:8px}.score-detail{margin:0;padding:8px 10px;background:#fafafa;border-radius:4px;border:1px solid #e0e0e0;font-size:12px;line-height:1.6;white-space:pre-wrap;max-height:260px;overflow-y:auto}.primary-btn,.secondary-btn,.ghost-btn,.upload-btn{border-radius:4px;border:1px solid transparent;font-size:13px;padding:4px 12px;cursor:pointer;transition:all .2s}.primary-btn{background:#1677ff;border-color:#1677ff;color:#fff}.primary-btn.large{min-width:110px;height:34px}.primary-btn:hover{background:#4096ff;border-color:#4096ff}.secondary-btn{background:#fff;border-color:#d9d9d9;color:#333}.secondary-btn:hover{border-color:#1677ff;color:#1677ff}.ghost-btn{background:#fff;border-color:#d9d9d9;color:#666}.ghost-btn:hover{border-color:#1677ff;color:#1677ff}.upload-btn{background:#fff;border-color:#1677ff;color:#1677ff}.upload-btn:hover{background:#e6f4ff}.app-root{min-height:100vh}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#e6f0ff,#f5f7fa)}.login-card{width:380px;padding:24px 28px 28px;border-radius:8px;background:#fff;box-shadow:0 12px 30px #00000014}.login-title{font-size:18px;font-weight:600;margin-bottom:16px;text-align:center}.login-tabs{display:flex;gap:8px;margin-bottom:16px}.login-tab{flex:1;height:32px;border-radius:16px;border:1px solid #d9d9d9;background:#fafafa;font-size:13px;cursor:pointer}.login-tab.active{background:#1677ff;border-color:#1677ff;color:#fff}.login-form{margin-top:4px}.form-item{margin-bottom:12px;font-size:13px}.form-item label{display:block;margin-bottom:4px}.form-input{width:100%;height:32px;padding:4px 8px;border-radius:4px;border:1px solid #d9d9d9;font-size:13px;font-family:inherit}.form-input:focus{outline:none;border-color:#1677ff;box-shadow:0 0 0 2px #1677ff26}.form-row{display:flex;gap:12px}.form-col{flex:1}.teacher-layout{display:flex;flex-direction:column;height:100vh}.teacher-header{padding:12px 24px;border-bottom:1px solid #e0e6ed;background:#fff;display:flex;justify-content:space-between;align-items:center}.teacher-title{font-size:16px;font-weight:600}.teacher-meta{font-size:13px;color:#666}.teacher-main{flex:1;display:flex;gap:12px;padding:12px 12px 16px;background:#f5f7fa}.teacher-sidebar{width:220px;background:#fff;border:1px solid #e0e6ed;border-radius:4px;padding:12px 8px}.sidebar-title{font-size:14px;font-weight:600;margin-bottom:8px}.sidebar-menu{list-style:none;padding:0;margin:0}.sidebar-item{padding:8px 12px;border-radius:4px;font-size:13px;cursor:pointer}.sidebar-item.active{background:#1677ff;color:#fff}.teacher-content{flex:1;display:grid;grid-template-columns:1.2fr 1.6fr;gap:12px}.teacher-panel{background:#fff;border-radius:4px;border:1px solid #e0e6ed;padding:12px 16px 16px;display:flex;flex-direction:column;overflow:hidden}.panel-title{margin:0 0 12px;font-size:14px;font-weight:600}.empty-tip{font-size:13px;color:#999}.practice-list{list-style:none;padding:0;margin:8px 0 0;max-height:240px;overflow-y:auto}.practice-item{padding:6px 4px;border-bottom:1px dashed #eee;cursor:pointer}.practice-title{font-size:13px;font-weight:600}.practice-meta{font-size:12px;color:#666}.practice-item.active{background:#e6f4ff}.table-wrapper{margin-top:4px;flex:1;overflow:auto}.data-table{width:100%;border-collapse:collapse;font-size:12px}.data-table th,.data-table td{border:1px solid #e0e0e0;padding:6px 8px;text-align:left}.data-table th{background:#fafafa}.practice-meta-row{font-size:13px;margin-bottom:6px;display:flex;flex-direction:column;gap:6px}.practice-meta-top{display:flex;justify-content:space-between;align-items:center}.filter-row{display:flex;flex-wrap:wrap;gap:8px}.filter-item{display:flex;align-items:center;gap:4px;font-size:12px}.excel-hint{margin-top:4px;font-size:12px;color:#666}.question-checkboxes{display:flex;flex-wrap:wrap;gap:4px 12px}.checkbox-item{font-size:13px}.clear-answer-btn[data-v-5393ccdf]{margin-left:12px;padding:6px 16px;font-size:14px;font-weight:500;color:#ff4d4f;background:#fff;border:1.5px solid #ff4d4f;border-radius:4px;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:4px}.clear-answer-btn[data-v-5393ccdf]:hover{color:#fff;background:#ff4d4f;border-color:#ff4d4f;box-shadow:0 2px 4px #ff4d4f4d}.clear-answer-btn[data-v-5393ccdf]:active{transform:scale(.98);background:#ff7875;border-color:#ff7875}.answer-title[data-v-5393ccdf]{display:flex;align-items:center}
