:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}.card{padding:2em}#app{max-width:1280px;margin:0 auto;text-align:center}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.home-container[data-v-5a6de8ff]{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;text-align:center}.qrcode-container[data-v-5a6de8ff],.loading[data-v-5a6de8ff],.error[data-v-5a6de8ff]{margin:20px 0}.qrcode-wrapper[data-v-5a6de8ff]{position:relative}.qrcode-wrapper.expired img[data-v-5a6de8ff]{opacity:.3;filter:blur(1px)}.refresh-overlay[data-v-5a6de8ff]{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;background-color:#ffffffd9}.refresh-overlay span[data-v-5a6de8ff]{padding:8px 16px;background-color:#42b983;color:#fff;border-radius:4px}.exam-confirm-overlay[data-v-b1a97046]{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000000b3;display:flex;justify-content:center;align-items:center;z-index:1000}.exam-confirm-dialog[data-v-b1a97046]{background-color:#fff;border-radius:8px;width:90%;max-width:600px;box-shadow:0 4px 20px #0003;animation:slideIn-b1a97046 .3s ease-out}@keyframes slideIn-b1a97046{0%{transform:translateY(-20px);opacity:0}to{transform:translateY(0);opacity:1}}.confirm-header[data-v-b1a97046]{background-color:#06c;color:#fff;padding:15px;border-top-left-radius:8px;border-top-right-radius:8px;text-align:center}.confirm-header h2[data-v-b1a97046]{margin:0;font-size:22px}.confirm-content[data-v-b1a97046]{padding:20px}.exam-info[data-v-b1a97046]{margin-bottom:20px;background-color:#f9f9f9;padding:15px;border-radius:4px;border-left:4px solid #0066cc}.info-row[data-v-b1a97046]{display:flex;margin-bottom:10px}.info-row[data-v-b1a97046]:last-child{margin-bottom:0}.info-label[data-v-b1a97046]{font-weight:700;width:100px}.info-value[data-v-b1a97046]{color:#333}.exam-rules[data-v-b1a97046]{margin-bottom:10px}.exam-rules h3[data-v-b1a97046]{margin-top:0;color:#c00;font-size:18px}.exam-rules ul[data-v-b1a97046]{margin:0;padding-left:20px}.exam-rules li[data-v-b1a97046]{margin-bottom:5px;line-height:1.5}.confirm-footer[data-v-b1a97046]{padding:15px 20px;border-top:1px solid #eee;display:flex;justify-content:space-between;align-items:center}.cancel-btn[data-v-b1a97046]{padding:8px 20px;border:1px solid #ccc;background-color:#f5f5f5;color:#333;border-radius:4px;cursor:pointer;transition:background-color .2s}.confirm-btn[data-v-b1a97046]{padding:10px 30px;background-color:#06c;color:#fff;border:none;border-radius:4px;font-size:16px;font-weight:700;cursor:pointer;transition:background-color .2s}.cancel-btn[data-v-b1a97046]:hover{background-color:#e5e5e5}.confirm-btn[data-v-b1a97046]:hover{background-color:#05a}.result-container[data-v-f5179389]{display:flex;justify-content:center;align-items:center;min-height:100vh;width:100%;position:fixed;top:0;left:0;background-color:#f5f5f5e6;z-index:1000}.result-card[data-v-f5179389]{background:#fff;border-radius:8px;box-shadow:0 4px 12px #0000001a;width:100%;max-width:800px;padding:30px;animation:fadeIn-f5179389 .5s ease-out}@keyframes fadeIn-f5179389{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.result-title[data-v-f5179389]{text-align:center;color:#06c;margin-bottom:30px;font-size:24px}.result-info[data-v-f5179389]{display:flex;margin-bottom:30px}.score-section[data-v-f5179389]{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;border-right:1px solid #eee;padding-right:30px}.total-score[data-v-f5179389]{font-size:60px;font-weight:700;color:#06c;margin-bottom:15px}.pass-status[data-v-f5179389]{font-size:20px;font-weight:700;padding:8px 16px;border-radius:30px}.passed[data-v-f5179389]{background-color:#e7f7e7;color:#2e8b57}.failed[data-v-f5179389]{background-color:#fee;color:#c00}.stats-section[data-v-f5179389]{flex:1;padding-left:30px;display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.stat-item[data-v-f5179389]{display:flex;align-items:center}.stat-label[data-v-f5179389]{width:100px;color:#666}.stat-value[data-v-f5179389]{font-weight:700;color:#333}.result-actions[data-v-f5179389]{display:flex;justify-content:center;gap:20px;margin-top:20px}.review-btn[data-v-f5179389],.restart-btn[data-v-f5179389],.home-btn[data-v-f5179389]{padding:10px 25px;border:none;border-radius:4px;font-size:16px;cursor:pointer;transition:all .2s}.review-btn[data-v-f5179389]{background-color:#ff9800;color:#fff}.restart-btn[data-v-f5179389]{background-color:#06c;color:#fff}.home-btn[data-v-f5179389]{background-color:#f5f5f5;color:#333;border:1px solid #ccc}.review-btn[data-v-f5179389]:hover,.restart-btn[data-v-f5179389]:hover{opacity:.9}.home-btn[data-v-f5179389]:hover{background-color:#e5e5e5}.answer-grid{border-collapse:collapse;width:100%;font-size:14px;border:1px solid #e0e0e0;table-layout:fixed;box-shadow:0 1px 3px #0000001a}.answer-grid td,.answer-grid th{border:1px solid #e5e5e5;padding:3px 1px;text-align:center;cursor:pointer;min-width:20px;width:10%;height:24px;font-size:11px;position:relative;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:middle}.header-cell,.row-header{background-color:#2196f3;color:#fff;border:1px solid #1e88e5;height:28px}.row-header{width:8%}.small-text{font-size:10px;font-weight:400;display:inline-block;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:18px;letter-spacing:-.5px}.small-text[data-length="3"],.small-text[data-length="4"]{font-size:9px;letter-spacing:-.8px}.checkmark,.crossmark{font-size:14px;line-height:18px;display:inline-block;width:100%;text-align:center}.checkmark{color:#388e3c}.crossmark{color:#d32f2f}.answered{color:#06c;border:1px solid #e5e5e5}.current-question{background-color:#fff9c4!important;color:#333!important;z-index:5!important;border:1px solid #fbc02d!important;position:relative!important}.correct{color:#2e7d32;border:1px solid #e5e5e5;background-color:transparent}.incorrect{color:#c62828;border:1px solid #e5e5e5;background-color:transparent}.current-question.correct,.current-question.incorrect,.current-question.answered{background-color:#fff9c4!important;color:#333!important}.answer-grid td:hover:not(.current-question):not(.row-header){background-color:#f5f5f5;transition:background-color .2s}.answer-grid-container{height:100%;overflow-y:auto;background-color:#fff;padding:5px;border-radius:4px}.answer-grid td span{display:flex;justify-content:center;align-items:center;height:100%}.exam-container[data-v-1e9ded0a]{width:100%;min-height:100vh;margin:0;padding:0;font-family:Arial,sans-serif;display:flex;flex-direction:column;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;cursor:default}button[data-v-1e9ded0a],.option-btn[data-v-1e9ded0a],.check-btn[data-v-1e9ded0a],.cross-btn[data-v-1e9ded0a],.answer-grid td[data-v-1e9ded0a],.camera-placeholder[data-v-1e9ded0a],.tip-option input[data-v-1e9ded0a],.tip-option label[data-v-1e9ded0a]{cursor:pointer!important}.error-container[data-v-1e9ded0a]{user-select:text;-webkit-user-select:text;-moz-user-select:text;-ms-user-select:text;cursor:default}.exam-content[data-v-1e9ded0a],.question-content-section[data-v-1e9ded0a],.question-content[data-v-1e9ded0a],.choice-options[data-v-1e9ded0a],.choice-option[data-v-1e9ded0a],.question-type-info[data-v-1e9ded0a],.question-type[data-v-1e9ded0a],.question-tip[data-v-1e9ded0a],.selected-answer[data-v-1e9ded0a],.answer-mark[data-v-1e9ded0a],.footer-content[data-v-1e9ded0a],.score-section[data-v-1e9ded0a],.stats-section[data-v-1e9ded0a],.stat-item[data-v-1e9ded0a],.stat-label[data-v-1e9ded0a],.stat-value[data-v-1e9ded0a],.result-card[data-v-1e9ded0a]{cursor:default}.exam-main-layout[data-v-1e9ded0a]{display:flex;flex-direction:column;width:100%;min-height:100vh}.loading-container[data-v-1e9ded0a]{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh}.loading-spinner[data-v-1e9ded0a]{border:4px solid #f3f3f3;border-top:4px solid #0066cc;border-radius:50%;width:30px;height:30px;animation:spin-1e9ded0a 1s linear infinite;margin-bottom:10px}@keyframes spin-1e9ded0a{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error-container[data-v-1e9ded0a]{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh}.exam-content[data-v-1e9ded0a]{display:flex;flex:1;height:calc(100vh - 140px);width:100%;max-width:1280px;margin:0 auto}.exam-left-panel[data-v-1e9ded0a]{width:180px;background-color:#fff;padding:0;margin-right:1px}.exam-tab[data-v-1e9ded0a]{padding:10px 15px;background-color:#fff;margin-bottom:1px;border:1px solid #e0e0e0}.exam-station[data-v-1e9ded0a]{font-weight:700}.camera-view[data-v-1e9ded0a]{height:160px;background-color:#000;color:#fc0;display:flex;justify-content:center;align-items:center;margin-bottom:1px;position:relative;overflow:hidden}.camera-placeholder[data-v-1e9ded0a]{display:flex;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;cursor:pointer;transition:all .3s}.camera-placeholder[data-v-1e9ded0a]:hover{background-color:#111}.start-camera-btn[data-v-1e9ded0a]{margin-top:8px;font-size:12px;color:#4caf50;text-decoration:underline}.camera-video[data-v-1e9ded0a]{width:100%;height:100%;object-fit:cover}.student-info[data-v-1e9ded0a],.remaining-time[data-v-1e9ded0a],.operation-tips[data-v-1e9ded0a]{background-color:#fff;margin-bottom:1px;border:1px solid #e0e0e0}.section-header[data-v-1e9ded0a]{background-color:#e6f7ff;color:#06c;padding:8px;text-align:center;border-bottom:1px solid #e0e0e0}.info-content[data-v-1e9ded0a]{padding:10px}.info-item[data-v-1e9ded0a]{line-height:30px;display:flex}.label[data-v-1e9ded0a]{width:60px}.time-counter[data-v-1e9ded0a]{font-size:36px;text-align:center;padding:10px 0;color:#c00;font-weight:700}.tip-content[data-v-1e9ded0a]{padding:10px;text-align:left}.tip-options[data-v-1e9ded0a]{display:flex;flex-direction:column;gap:8px}.tip-option[data-v-1e9ded0a]{display:flex;align-items:center;gap:5px}.tip-option input[type=checkbox][data-v-1e9ded0a]{margin:0;cursor:pointer}.tip-option label[data-v-1e9ded0a]{cursor:pointer;-webkit-user-select:none;user-select:none}.exam-middle-panel[data-v-1e9ded0a]{width:750px;display:flex;flex-direction:column;background-color:#fff;border:1px solid #e0e0e0;margin-right:1px;overflow:hidden}.rtl-text[data-v-1e9ded0a]{direction:rtl;text-align:right}.question-content-section[data-v-1e9ded0a]{padding:20px;background-color:#fff;flex:1;overflow-y:auto}.question-content[data-v-1e9ded0a]{font-size:22px;line-height:1.6;margin-bottom:20px}.choice-options[data-v-1e9ded0a]{margin-top:20px}.choice-option[data-v-1e9ded0a]{padding:10px;margin-bottom:10px;background-color:#f9f9f9;border-radius:4px;font-size:20px}.question-image-footer[data-v-1e9ded0a]{border-top:1px solid #e0e0e0;background-color:#fff}.question-image-container[data-v-1e9ded0a]:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;z-index:10;cursor:default}.no-image-placeholder[data-v-1e9ded0a]{display:flex;align-items:center;justify-content:center;width:100%;height:100%;color:#999;font-size:20px}.exam-right-panel[data-v-1e9ded0a]{width:350px;border:1px solid #e0e0e0;background-color:#f0f8ff}.answer-grid-container[data-v-1e9ded0a]{height:100%;overflow-y:auto;background-color:#fff}.exam-footer[data-v-1e9ded0a]{width:100%;background-color:#f5f5f5;border-top:1px solid #0066cc;padding:0;margin:0 auto}.footer-content[data-v-1e9ded0a]{display:flex;justify-content:space-between;align-items:center;padding:8px 15px;max-width:1280px;margin:0 auto;height:50px;background-color:#f5f5f5}.question-type-info[data-v-1e9ded0a]{display:flex;align-items:center}.question-type[data-v-1e9ded0a]{color:#c00;font-weight:700;margin-right:20px}.question-tip[data-v-1e9ded0a]{color:#333}.footer-controls[data-v-1e9ded0a]{display:flex;align-items:center;gap:40px}.selected-answer[data-v-1e9ded0a]{display:flex;align-items:center;white-space:nowrap}.answer-mark[data-v-1e9ded0a]{font-size:24px;margin-left:10px;width:30px;display:inline-block}.option-buttons[data-v-1e9ded0a]{display:flex;gap:10px}.check-btn[data-v-1e9ded0a],.cross-btn[data-v-1e9ded0a],.option-btn[data-v-1e9ded0a]{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border:2px solid #ccc;background-color:#fff;cursor:pointer;border-radius:4px}.check-btn[data-v-1e9ded0a]{color:#080;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z' fill='%23008800'/%3E%3C/svg%3E");background-position:center;background-repeat:no-repeat;background-size:24px}.cross-btn[data-v-1e9ded0a]{color:#c00;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12 19 6.41z' fill='%23cc0000'/%3E%3C/svg%3E");background-position:center;background-repeat:no-repeat;background-size:24px}.navigation-buttons[data-v-1e9ded0a]{display:flex;gap:10px}.nav-btn[data-v-1e9ded0a],.submit-btn[data-v-1e9ded0a]{padding:8px 25px;border:none;cursor:pointer;border-radius:4px}.nav-btn[data-v-1e9ded0a]{background-color:#e6f7ff;color:#06c;border:1px solid #0066cc}.submit-btn[data-v-1e9ded0a]{background-color:#4caf50;color:#fff;font-weight:700}.question-image-section[data-v-1e9ded0a]{width:100%;background-color:#fff;border-top:1px solid #e0e0e0}.image-title[data-v-1e9ded0a]{background-color:#e6f7ff;color:#06c;padding:8px 15px;font-weight:700;border-bottom:1px solid #e0e0e0;max-width:1280px;margin:0 auto}.question-image-container[data-v-1e9ded0a]{height:150px;display:flex;align-items:center;justify-content:center;background-color:#f9f9f9;overflow:hidden;padding:20px;max-width:1280px;margin:0 auto;position:relative}.question-img[data-v-1e9ded0a]{max-width:100%;max-height:180px;object-fit:contain;-webkit-user-drag:none;-khtml-user-drag:none;-moz-user-drag:none;-o-user-drag:none;user-drag:none;pointer-events:none;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.correct-answer[data-v-1e9ded0a]{color:#080}.incorrect-answer[data-v-1e9ded0a]{color:#c00}.result-container[data-v-1e9ded0a]{display:flex;justify-content:center;align-items:center;height:100vh}.result-card[data-v-1e9ded0a]{background-color:#fff;padding:20px;border-radius:8px;box-shadow:0 4px 6px #0000001a;max-width:400px;width:100%}.result-title[data-v-1e9ded0a]{color:#c00;font-weight:700;margin-bottom:20px}.result-info[data-v-1e9ded0a]{margin-bottom:20px}.score-section[data-v-1e9ded0a]{margin-bottom:10px}.total-score[data-v-1e9ded0a]{font-size:24px;font-weight:700}.pass-status[data-v-1e9ded0a]{font-size:18px;margin-top:5px}.passed[data-v-1e9ded0a]{color:#080}.failed[data-v-1e9ded0a]{color:#c00}.stats-section[data-v-1e9ded0a]{margin-bottom:10px}.stat-item[data-v-1e9ded0a]{margin-bottom:5px}.stat-label[data-v-1e9ded0a]{font-weight:700}.stat-value[data-v-1e9ded0a]{margin-left:10px}.result-actions[data-v-1e9ded0a]{display:flex;justify-content:space-between;align-items:center}.review-btn[data-v-1e9ded0a],.restart-btn[data-v-1e9ded0a],.home-btn[data-v-1e9ded0a]{padding:8px 20px;border:none;cursor:pointer;border-radius:4px}.review-btn[data-v-1e9ded0a]{background-color:#e6f7ff;color:#06c}.restart-btn[data-v-1e9ded0a]{background-color:#4caf50;color:#fff}.home-btn[data-v-1e9ded0a]{background-color:#c00;color:#fff}.hidden-audio[data-v-1e9ded0a]{display:none}.current-question.correct[data-v-1e9ded0a]{background-color:#bdefba!important;border:2px solid #2e8b57!important;box-shadow:0 0 8px #2e8b5780!important}.current-question.incorrect[data-v-1e9ded0a]{background-color:#ffcdd2!important;border:2px solid #cc0000!important;box-shadow:0 0 8px #cc000080!important}.font-size-selector[data-v-1e9ded0a]{padding-top:5px;border-top:1px dashed #e0e0e0;display:flex;flex-direction:column;gap:5px}.font-size-buttons[data-v-1e9ded0a]{display:flex;gap:5px}.font-size-btn[data-v-1e9ded0a]{padding:2px 10px;border:1px solid #ccc;background-color:#f5f5f5;border-radius:3px;cursor:pointer;transition:all .2s}.font-size-btn.active[data-v-1e9ded0a]{background-color:#06c;color:#fff;border-color:#06c}.font-size-btn[data-v-1e9ded0a]:hover:not(.active){background-color:#e5e5e5}.font-size-small .question-content[data-v-1e9ded0a]{font-size:18px}.font-size-small .choice-option[data-v-1e9ded0a]{font-size:16px}.font-size-medium .question-content[data-v-1e9ded0a]{font-size:22px}.font-size-medium .choice-option[data-v-1e9ded0a]{font-size:20px}.font-size-large .question-content[data-v-1e9ded0a]{font-size:26px}.font-size-large .choice-option[data-v-1e9ded0a]{font-size:24px}.multiple-select-options[data-v-1e9ded0a]{display:flex;flex-wrap:wrap;gap:8px}.multiple-select-options .option-btn[data-v-1e9ded0a]{position:relative;overflow:hidden}.multiple-select-options .option-btn.selected[data-v-1e9ded0a]{background-color:#e6f7ff;border-color:#06c;color:#06c;font-weight:700}.multiple-select-options .option-btn.selected[data-v-1e9ded0a]:after{content:"✓";position:absolute;bottom:2px;right:2px;font-size:12px;color:#06c}.confirm-multi-btn[data-v-1e9ded0a]{background-color:#4caf50;color:#fff;border:none;border-radius:4px;padding:0 15px;cursor:pointer;height:40px;margin-left:10px}.confirm-multi-btn[data-v-1e9ded0a]:hover{background-color:#45a049}