#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#2c3e50}.message-notification[data-v-02d8556a]{position:relative;display:inline-block}.notification-icon[data-v-02d8556a]{position:relative;cursor:pointer;padding:8px;border-radius:50%;transition:background-color .3s}.notification-icon[data-v-02d8556a]:hover{background-color:#0000001a}.notification-icon i[data-v-02d8556a]{font-size:18px;color:#555}.badge[data-v-02d8556a]{position:absolute;top:0;right:0;background-color:#ff4d4f;color:#fff;border-radius:10px;font-size:12px;min-width:18px;height:18px;line-height:18px;text-align:center;padding:0 4px}.notification-dropdown[data-v-02d8556a]{position:absolute;top:100%;right:0;width:350px;background-color:#fff;border-radius:8px;box-shadow:0 4px 12px #00000026;z-index:1000;overflow:hidden}.notification-header[data-v-02d8556a]{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid #f0f0f0}.notification-header h4[data-v-02d8556a]{margin:0;font-size:16px;color:#333}.mark-all-read[data-v-02d8556a]{background:none;border:none;color:#1890ff;cursor:pointer;font-size:12px}.mark-all-read[data-v-02d8556a]:hover{text-decoration:underline}.notification-tabs[data-v-02d8556a]{display:flex;border-bottom:1px solid #f0f0f0}.notification-tabs button[data-v-02d8556a]{flex:1;padding:10px;background:none;border:none;cursor:pointer;font-size:14px;color:#666;position:relative}.notification-tabs button.active[data-v-02d8556a]{color:#1890ff;font-weight:500}.notification-tabs button.active[data-v-02d8556a]:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:2px;background-color:#1890ff}.count[data-v-02d8556a]{background-color:#ff4d4f;color:#fff;border-radius:10px;font-size:12px;padding:2px 6px;margin-left:4px}.notification-content[data-v-02d8556a]{max-height:300px;overflow-y:auto}.loading[data-v-02d8556a],.no-notifications[data-v-02d8556a]{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:30px 0;color:#999}.loading i[data-v-02d8556a],.no-notifications i[data-v-02d8556a]{font-size:24px;margin-bottom:8px}.notification-list[data-v-02d8556a]{padding:0}.notification-item[data-v-02d8556a]{display:flex;align-items:flex-start;padding:12px 16px;border-bottom:1px solid #f0f0f0;cursor:pointer;transition:background-color .3s;position:relative}.notification-item[data-v-02d8556a]:hover{background-color:#f5f5f5}.notification-item.unread[data-v-02d8556a]{background-color:#f6ffed}.notification-icon-small[data-v-02d8556a]{margin-right:12px;color:#1890ff;font-size:16px;padding-top:2px}.notification-content-text[data-v-02d8556a]{flex:1}.notification-message[data-v-02d8556a]{margin:0 0 4px;font-size:14px;color:#333}.notification-time[data-v-02d8556a]{margin:0;font-size:12px;color:#999}.unread-dot[data-v-02d8556a]{width:8px;height:8px;background-color:#ff4d4f;border-radius:50%;margin-left:8px;margin-top:6px}.notification-footer[data-v-02d8556a]{padding:8px 16px;text-align:center;border-top:1px solid #f0f0f0}.notification-footer a[data-v-02d8556a]{color:#1890ff;text-decoration:none;font-size:14px}.notification-footer a[data-v-02d8556a]:hover{text-decoration:underline}.language-switcher[data-v-8f6c2c2f]{position:relative;margin-left:15px;z-index:1001}.current-language[data-v-8f6c2c2f]{display:flex;align-items:center;gap:5px;padding:8px 12px;background:rgba(219,234,254,.8);border:1px solid rgba(147,197,253,.8);border-radius:4px;cursor:pointer;transition:all .3s;color:#1e40af;font-weight:500;min-width:100px;justify-content:space-between}.current-language[data-v-8f6c2c2f]:hover{background:rgba(191,219,254,.9);border-color:#60a5facc}.language-dropdown[data-v-8f6c2c2f]{position:absolute;top:100%;right:0;margin-top:5px;background:white;border-radius:4px;box-shadow:0 2px 10px #0000001a;z-index:1000;min-width:120px;overflow:hidden;border:1px solid rgba(219,234,254,.8)}.language-option[data-v-8f6c2c2f]{display:flex;align-items:center;gap:8px;padding:10px 15px;cursor:pointer;transition:background .2s;color:#333}.language-option[data-v-8f6c2c2f]:hover{background:#eff6ff}.language-option.active[data-v-8f6c2c2f]{background:#dbeafe;color:#1e40af}.language-option i[data-v-8f6c2c2f]{font-size:14px}.tag-selector{margin-bottom:15px}.available-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.tag-item{background:#f8f9fa;color:#495057;padding:6px 12px;border-radius:15px;font-size:13px;cursor:pointer;border:1px solid #dee2e6;transition:all .2s ease;-webkit-user-select:none;user-select:none}.tag-item:hover{background:#e9ecef;border-color:#adb5bd}.tag-item.selected{background:#5991eb;color:#fff;border-color:#5991eb}.selected-tags-display{margin-top:10px;padding:10px;background:#f8f9fa;border-radius:8px;border:1px solid #dee2e6;display:flex;flex-wrap:wrap;gap:6px;align-items:center}.selected-label{font-weight:500;color:#495057;margin-right:8px;flex-shrink:0}.selected-tag{background:#5991eb!important;color:#fff!important;margin-right:6px;margin-bottom:4px;flex-shrink:0}.remove-tag{margin-left:4px;cursor:pointer;font-size:10px;opacity:.8}.remove-tag:hover{opacity:1}.hidden-input{display:none}.file-upload-area{margin-bottom:15px}.upload-trigger{border:2px dashed #d1d5db;border-radius:8px;padding:20px;text-align:center;cursor:pointer;transition:all .3s ease;background:#f8f9fa}.upload-trigger:hover{border-color:#667eea;background:#f0f4ff}.upload-trigger.drag-over{border-color:#10b981;background:#f0fdf4;transform:scale(1.02)}.upload-trigger i{font-size:24px;color:#667eea;margin-bottom:8px;display:block}.upload-trigger span{color:#6b7280;font-size:14px}.attachment-hint,.attachment-process{display:flex;align-items:center;gap:6px;margin-top:8px;padding:8px 12px;background:#f0f9ff;border-radius:6px;font-size:13px;color:#0369a1;border-left:3px solid #38bdf8}.attachment-hint i,.attachment-process i{font-size:14px;color:#38bdf8}.attachment-process{background:#fefce8;color:#713f12;border-left-color:#fbbf24}.attachment-process i{color:#fbbf24}.selected-files{margin-top:15px}.file-item{display:flex;justify-content:space-between;align-items:center;padding:12px;background:#f8f9fa;border-radius:8px;margin-bottom:8px;border:1px solid #e5e7eb}.file-info{display:flex;align-items:center;gap:10px;flex:1}.file-icon{font-size:20px;color:#667eea;width:24px}.file-name{font-weight:500;color:#374151;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-size{color:#6b7280;font-size:12px}.file-actions{display:flex;align-items:center;gap:10px}.upload-progress{display:flex;align-items:center;gap:8px}.progress-bar{width:80px;height:6px;background:#e5e7eb;border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(135deg,#5991eb 0%,#a8c7fa 100%);transition:width .3s ease}.progress-text{font-size:12px;color:#6b7280;min-width:30px}.upload-status{display:flex;align-items:center;gap:6px}.remove-file-btn{background:#ef4444;color:#fff;border:none;border-radius:4px;padding:4px 8px;cursor:pointer;transition:all .3s ease}.remove-file-btn:hover{background:#dc2626}.remove-file-btn:disabled{background:#d1d5db;cursor:not-allowed}.upload-actions{margin-top:15px;text-align:right}.uploaded-attachments{margin-top:15px;padding:12px;background:#f0f9ff;border-radius:8px;border:1px solid #e0f2fe}.uploaded-attachment-item{margin-bottom:8px}.uploaded-attachment-item:last-child{margin-bottom:0}.attachment-info{display:flex;align-items:center;gap:10px;padding:8px 12px;background:white;border-radius:6px;border:1px solid #e5e7eb}.attachment-name{flex:1;font-size:14px;color:#374151;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.remove-attachment-btn{background:#ef4444;color:#fff;border:none;border-radius:4px;padding:4px 6px;cursor:pointer;transition:all .3s ease;font-size:12px}.remove-attachment-btn:hover{background:#dc2626}.upload-btn{background:linear-gradient(135deg,#5991eb 0%,#4a80db 100%);color:#fff;border:none;padding:10px 20px;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .3s ease}.upload-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px #5991eb4d}.loading-spinner{text-align:center;padding:20px;color:#667eea;font-size:14px;display:flex;align-items:center;justify-content:center;gap:8px}.loading-spinner i{font-size:16px}.no-more-data{text-align:center;padding:20px;color:#6b7280;font-size:14px}.message-toast{position:fixed;top:20px;right:20px;padding:15px 20px;border-radius:8px;color:#fff;font-weight:500;z-index:3000;animation:slideInRight .3s ease;box-shadow:0 4px 12px #00000026}.message-toast.success{background:#5991eb}.message-toast.error{background:#f44336}.message-toast.warning{background:#ff9800}.message-toast.info{background:#2196F3}.question-badges{display:flex;align-items:center;gap:8px}.question-status-badge{padding:3px 8px;border-radius:12px;font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.question-status-badge.pending{background:#fef3c7;color:#92400e;border:1px solid #fde68a}.question-status-badge.resolved{background:#d1fae5;color:#065f46;border:1px solid #a7f3d0}.question-status-badge.closed{background:#e5e7eb;color:#374151;border:1px solid #d1d5db}@keyframes slideInRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.tag.active{background:#3b82f6;color:#fff;border-color:#3b82f6}.category-tabs{display:flex;margin-bottom:20px;border-bottom:1px solid #e5e7eb;overflow-x:auto;padding-bottom:2px}.tab-btn{padding:10px 16px;background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;font-size:14px;color:#6b7280;transition:all .2s ease;white-space:nowrap;flex-shrink:0}.tab-btn:hover{color:#374151}.tab-btn.active{color:#5991eb;border-bottom-color:#5991eb;font-weight:500}.status-filter{margin-left:auto;display:flex;align-items:center}.status-select{padding:6px 12px;border:1px solid #d1d5db;border-radius:6px;background:white;font-size:14px;color:#374151;cursor:pointer;transition:all .2s ease}.status-select:hover{border-color:#5991eb}.status-select:focus{outline:none;border-color:#5991eb;box-shadow:0 0 0 3px #5991eb1a}.form-actions{display:flex;gap:15px;margin-top:20px}.cancel-btn{background:white;color:#666;border:2px solid #ddd;padding:12px 24px;border-radius:8px;cursor:pointer;font-size:14px;font-weight:500;transition:all .3s ease;flex:1}.cancel-btn:hover{background:#f5f5f5;border-color:#ccc}.profile-container[data-v-8c212920]{max-width:1200px;margin:20px auto;padding:0 20px}.back-button-container[data-v-8c212920]{margin-bottom:20px}.back-button[data-v-8c212920]{display:flex;align-items:center;gap:8px;background:#f5f5f5;color:#333;border:none;padding:10px 20px;border-radius:8px;cursor:pointer;font-size:16px;transition:all .3s ease}.back-button[data-v-8c212920]:hover{background:#e0e0e0;transform:translateY(-2px)}.back-button i[data-v-8c212920]{font-size:14px}.profile-card[data-v-8c212920]{background:rgba(255,255,255,.95);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:15px;padding:30px;margin-bottom:20px;box-shadow:0 8px 32px #0000001a}.profile-header[data-v-8c212920]{display:flex;align-items:center;margin-bottom:20px}.avatar-container[data-v-8c212920]{position:relative;margin-right:30px}.user-avatar[data-v-8c212920]{width:120px;height:120px;border-radius:50%;object-fit:cover;border:4px solid #5991eb}.avatar-upload[data-v-8c212920]{margin-top:10px;text-align:center}.hidden-input[data-v-8c212920]{display:none}.upload-btn[data-v-8c212920]{background:#5991eb;color:#fff;border:none;padding:6px 12px;border-radius:20px;cursor:pointer;font-size:12px;transition:all .3s ease}.upload-btn[data-v-8c212920]:hover{background:#4a80d8}.user-info h2[data-v-8c212920]{margin-bottom:5px;color:#333}.user-email[data-v-8c212920]{color:#666;margin-bottom:5px}.join-date[data-v-8c212920]{color:#999;font-size:14px}.profile-stats[data-v-8c212920]{display:flex;justify-content:space-around;padding-top:20px;border-top:1px solid #eee}.stat-item[data-v-8c212920]{text-align:center}.stat-number[data-v-8c212920]{display:block;font-size:24px;font-weight:700;color:#5991eb}.stat-label[data-v-8c212920]{color:#666;font-size:14px}.profile-content[data-v-8c212920]{background:rgba(255,255,255,.95);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:15px;overflow:hidden;box-shadow:0 8px 32px #0000001a}.tabs-container[data-v-8c212920]{background:#f5f5f5;border-bottom:1px solid #ddd}.tabs[data-v-8c212920]{display:flex}.tab-btn[data-v-8c212920]{padding:15px 25px;background:none;border:none;cursor:pointer;font-size:16px;color:#666;transition:all .3s ease;position:relative}.tab-btn[data-v-8c212920]:hover{color:#5991eb;background:rgba(89,145,235,.05)}.tab-btn.active[data-v-8c212920]{color:#5991eb;font-weight:500;background:rgba(89,145,235,.1)}.tab-btn.active[data-v-8c212920]:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:3px;background:#5991eb}.tab-content[data-v-8c212920]{padding:30px}.tab-pane h3[data-v-8c212920]{margin-bottom:20px;color:#333;border-bottom:2px solid #5991eb;padding-bottom:10px}.form-container[data-v-8c212920]{max-width:600px}.form-group[data-v-8c212920]{margin-bottom:20px}.form-group label[data-v-8c212920]{display:block;margin-bottom:8px;font-weight:500;color:#333}.form-group input[data-v-8c212920]{width:100%;padding:12px;border:1px solid #ddd;border-radius:8px;font-size:14px;transition:border-color .3s ease}.form-group input[data-v-8c212920]:focus{border-color:#5991eb;outline:none}.form-group input[data-v-8c212920]:disabled{background:#f5f5f5;color:#999}.form-group small[data-v-8c212920]{display:block;margin-top:5px;color:#999;font-size:12px}.form-actions[data-v-8c212920]{margin-top:30px}.save-btn[data-v-8c212920]{background:#5991eb;color:#fff;border:none;padding:12px 30px;border-radius:8px;cursor:pointer;font-size:16px;transition:background .3s ease}.save-btn[data-v-8c212920]:hover{background:#4a80d8}.questions-container[data-v-8c212920],.answers-container[data-v-8c212920],.bookmarks-container[data-v-8c212920]{max-width:900px}.empty-state[data-v-8c212920]{text-align:center;padding:40px 0;color:#999}.create-btn[data-v-8c212920]{background:#5991eb;color:#fff;border:none;padding:10px 20px;border-radius:8px;cursor:pointer;margin-top:15px;transition:background .3s ease}.create-btn[data-v-8c212920]:hover{background:#4a80d8}.question-item[data-v-8c212920],.answer-item[data-v-8c212920],.bookmark-item[data-v-8c212920]{background:#f9f9f9;border-radius:10px;padding:20px;margin-bottom:15px;cursor:pointer;transition:all .3s ease}.question-item[data-v-8c212920]:hover,.answer-item[data-v-8c212920]:hover,.bookmark-item[data-v-8c212920]:hover{background:#f0f8ff;transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.question-header[data-v-8c212920],.answer-header[data-v-8c212920],.bookmark-header[data-v-8c212920]{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.question-header h4[data-v-8c212920],.answer-header h4[data-v-8c212920],.bookmark-header h4[data-v-8c212920]{color:#333;margin:0;flex:1}.question-category[data-v-8c212920],.bookmark-category[data-v-8c212920]{padding:4px 10px;border-radius:20px;font-size:12px;font-weight:500}.question-category.tech[data-v-8c212920],.bookmark-category.tech[data-v-8c212920],.question-category.tips[data-v-8c212920],.bookmark-category.tips[data-v-8c212920]{background:#e3f2fd;color:#1976d2}.question-category.product[data-v-8c212920],.bookmark-category.product[data-v-8c212920]{background:#fff3e0;color:#f57c00}.question-category.announcement[data-v-8c212920],.bookmark-category.announcement[data-v-8c212920]{background:#fbe9e7;color:#d84315}.answer-date[data-v-8c212920]{color:#999;font-size:14px}.question-content[data-v-8c212920],.answer-content[data-v-8c212920],.bookmark-content[data-v-8c212920]{color:#666;margin-bottom:15px;line-height:1.5}.question-meta[data-v-8c212920],.answer-meta[data-v-8c212920],.bookmark-meta[data-v-8c212920]{display:flex;justify-content:space-between;align-items:center;color:#999;font-size:14px}.question-stats[data-v-8c212920],.answer-stats[data-v-8c212920]{display:flex;gap:15px}.question-stats span[data-v-8c212920],.answer-stats span[data-v-8c212920]{display:flex;align-items:center;gap:5px}.question-actions[data-v-8c212920],.answer-actions[data-v-8c212920]{display:flex;align-items:center;gap:10px}.delete-btn-small[data-v-8c212920]{background:transparent;border:none;color:#f44336;cursor:pointer;padding:5px;border-radius:4px;transition:all .3s ease}.delete-btn-small[data-v-8c212920]:hover{background:#ffebee;color:#f44336}.bookmark-date[data-v-8c212920]{color:#999;font-size:14px}.load-more[data-v-8c212920]{text-align:center;margin-top:20px}.load-more-btn[data-v-8c212920]{background:transparent;color:#5991eb;border:1px solid #5991eb;padding:8px 20px;border-radius:20px;cursor:pointer;transition:all .3s ease}.load-more-btn[data-v-8c212920]:hover{background:#5991eb;color:#fff}.message-toast[data-v-8c212920]{position:fixed;top:20px;right:20px;padding:15px 25px;border-radius:8px;color:#fff;font-weight:500;z-index:1000;animation:slideIn-8c212920 .3s ease}.message-toast.success[data-v-8c212920]{background:#5991eb}.message-toast.error[data-v-8c212920]{background:#f44336}.message-toast.warning[data-v-8c212920]{background:#ff9800}.message-toast.info[data-v-8c212920]{background:#2196f3}.password-input-container[data-v-8c212920]{position:relative;width:100%}.password-input-container input[data-v-8c212920]{width:100%;padding:12px 45px 12px 15px;border:1px solid #ddd;border-radius:8px;font-size:16px;transition:border .3s ease}.password-input-container input[data-v-8c212920]:focus{border-color:#5991eb;outline:none;box-shadow:0 0 0 3px #5991eb33}.toggle-password[data-v-8c212920]{position:absolute;right:15px;top:50%;transform:translateY(-50%);background:none;border:none;color:#999;cursor:pointer;font-size:18px;transition:color .3s ease}.toggle-password[data-v-8c212920]:hover{color:#5991eb}.password-info[data-v-8c212920]{margin:8px 0;padding:8px 12px;background-color:#e7f3ff;border-radius:6px;font-size:14px;color:#06c}.password-requirements[data-v-8c212920]{margin-top:10px}.requirement[data-v-8c212920]{display:flex;align-items:center;margin-bottom:5px;font-size:14px;color:#666}.requirement i[data-v-8c212920]{margin-right:8px;font-size:12px}.requirement.met[data-v-8c212920],.requirement.met i[data-v-8c212920]{color:#4caf50}@keyframes slideIn-8c212920{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.login-container[data-v-818a9fbb]{display:flex;justify-content:center;align-items:center;min-height:100vh;background-image:url(/assets/background-37bca2db.png);background-size:cover;background-position:center;background-repeat:no-repeat;padding:20px}.login-box[data-v-818a9fbb]{background:white;border-radius:10px;box-shadow:0 10px 30px #0000001a;padding:40px;width:100%;max-width:400px}.login-header[data-v-818a9fbb]{text-align:center;margin-bottom:30px;position:relative}.logo-container[data-v-818a9fbb]{width:80px;height:80px;margin:0 auto 15px;display:flex;align-items:center;justify-content:center}.logo-image[data-v-818a9fbb]{width:100%;height:100%;object-fit:contain}.login-header h2[data-v-818a9fbb]{color:#333;font-size:24px;font-weight:600;margin:0}.login-form[data-v-818a9fbb]{margin-bottom:25px}.form-group[data-v-818a9fbb]{margin-bottom:20px}.form-input[data-v-818a9fbb]{width:100%;padding:12px 15px;border:1px solid #ddd;border-radius:6px;font-size:14px;transition:border-color .3s ease;box-sizing:border-box}.form-input[data-v-818a9fbb]:focus{outline:none;border-color:#4285f4;box-shadow:0 0 0 2px #4285f41a}.password-input-container[data-v-818a9fbb]{position:relative;width:100%}.password-input-container .form-input[data-v-818a9fbb]{padding-right:40px}.toggle-password[data-v-818a9fbb]{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;color:#666;cursor:pointer;font-size:16px}.toggle-password[data-v-818a9fbb]:hover{color:#4285f4}.login-btn[data-v-818a9fbb]{width:100%;padding:12px;background:#4285f4;color:#fff;border:none;border-radius:6px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease}.login-btn[data-v-818a9fbb]:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 5px 15px #4285f44d}.login-btn[data-v-818a9fbb]:disabled{opacity:.7;cursor:not-allowed}.login-footer[data-v-818a9fbb]{text-align:center;color:#666;font-size:14px}.link[data-v-818a9fbb]{color:#4285f4;text-decoration:none;font-weight:500}.link[data-v-818a9fbb]:hover{text-decoration:underline}.guest-link[data-v-818a9fbb]{margin-top:10px}.guest-link a[data-v-818a9fbb]{color:#999;text-decoration:none;font-size:12px}.guest-link a[data-v-818a9fbb]:hover{color:#4285f4}.message[data-v-818a9fbb]{position:fixed;top:20px;right:20px;padding:12px 20px;border-radius:6px;color:#fff;font-size:14px;z-index:1000;animation:slideIn-818a9fbb .3s ease}.message.success[data-v-818a9fbb]{background:#4285f4}.message.error[data-v-818a9fbb]{background:#f44336}@keyframes slideIn-818a9fbb{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.country-select[data-v-e45dcb8f]{position:relative;width:100%}.selected-country[data-v-e45dcb8f]{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border:1px solid #ddd;border-radius:4px;cursor:pointer;background-color:#fff;transition:border-color .3s}.selected-country[data-v-e45dcb8f]:hover{border-color:#4caf50}.placeholder[data-v-e45dcb8f]{color:#999}.country-name[data-v-e45dcb8f]{color:#333}.arrow[data-v-e45dcb8f]{border:solid #999;border-width:0 2px 2px 0;display:inline-block;padding:3px;transform:rotate(45deg);transition:transform .3s}.arrow-up[data-v-e45dcb8f]{transform:rotate(-135deg)}.dropdown[data-v-e45dcb8f]{position:absolute;top:100%;left:0;right:0;background-color:#fff;border:1px solid #ddd;border-radius:4px;box-shadow:0 4px 8px #0000001a;z-index:100;max-height:300px;overflow:hidden;margin-top:4px}.search-container[data-v-e45dcb8f]{padding:10px;border-bottom:1px solid #eee}.search-input[data-v-e45dcb8f]{width:100%;padding:8px 12px;border:1px solid #ddd;border-radius:4px;font-size:14px;outline:none;box-sizing:border-box}.search-input[data-v-e45dcb8f]:focus{border-color:#4caf50}.countries-list[data-v-e45dcb8f]{max-height:250px;overflow-y:auto}.country-item[data-v-e45dcb8f]{padding:10px 16px;cursor:pointer;transition:background-color .2s}.country-item[data-v-e45dcb8f]:hover{background-color:#f5f5f5}.no-results[data-v-e45dcb8f]{padding:10px 16px;color:#999;text-align:center}.register-container[data-v-86ef2fc8]{display:flex;justify-content:center;align-items:center;min-height:100vh;background-image:url(/assets/background-37bca2db.png);background-size:cover;background-position:center;background-repeat:no-repeat;padding:20px}.register-box[data-v-86ef2fc8]{background:white;border-radius:10px;box-shadow:0 10px 30px #0000001a;padding:40px;width:100%;max-width:400px}.register-header[data-v-86ef2fc8]{text-align:center;margin-bottom:30px;position:relative}.logo-container[data-v-86ef2fc8]{width:80px;height:80px;margin:0 auto 15px;display:flex;align-items:center;justify-content:center}.logo-image[data-v-86ef2fc8]{width:100%;height:100%;object-fit:contain}.register-header h2[data-v-86ef2fc8]{color:#333;font-size:24px;font-weight:600;margin:0}.register-form[data-v-86ef2fc8]{margin-bottom:25px}.form-group[data-v-86ef2fc8]{margin-bottom:20px}.form-input[data-v-86ef2fc8]{width:100%;padding:12px 15px;border:1px solid #ddd;border-radius:6px;font-size:14px;transition:border-color .3s ease;box-sizing:border-box}.form-input[data-v-86ef2fc8]:focus{outline:none;border-color:#5991eb;box-shadow:0 0 0 2px #5991eb1a}.password-info[data-v-86ef2fc8]{margin-bottom:8px;padding:8px 12px;background-color:#e7f3ff;border-radius:6px;font-size:14px;color:#06c}.password-input-container[data-v-86ef2fc8]{position:relative;width:100%}.password-input-container .form-input[data-v-86ef2fc8]{padding-right:40px}.toggle-password[data-v-86ef2fc8]{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;color:#666;cursor:pointer;font-size:16px}.toggle-password[data-v-86ef2fc8]:hover{color:#4a90e2}.password-requirements[data-v-86ef2fc8]{margin-top:8px;padding:10px;background-color:#f8f9fa;border-radius:6px;font-size:14px}.requirement[data-v-86ef2fc8]{display:flex;align-items:center;margin-bottom:5px;color:#666}.requirement[data-v-86ef2fc8]:last-child{margin-bottom:0}.requirement i[data-v-86ef2fc8]{margin-right:8px;font-size:14px}.requirement.met[data-v-86ef2fc8],.requirement.met i[data-v-86ef2fc8]{color:#28a745}.verification-group[data-v-86ef2fc8]{display:flex;gap:10px;align-items:stretch}.verification-input[data-v-86ef2fc8]{flex:1}.code-btn[data-v-86ef2fc8]{padding:12px 15px;background:#5991eb;color:#fff;border:none;border-radius:6px;font-size:14px;cursor:pointer;transition:all .3s ease;white-space:nowrap;min-width:100px}.code-btn[data-v-86ef2fc8]:hover:not(:disabled){background:#4a7ed8;transform:translateY(-1px)}.code-btn[data-v-86ef2fc8]:disabled{background:#ccc;cursor:not-allowed}.register-btn[data-v-86ef2fc8]{width:100%;padding:12px;background:#5991eb;color:#fff;border:none;border-radius:6px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease}.register-btn[data-v-86ef2fc8]:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 5px 15px #5991eb66}.register-btn[data-v-86ef2fc8]:disabled{background:#ccc;cursor:not-allowed}.login-link[data-v-86ef2fc8]{text-align:center;margin-top:20px;font-size:14px;color:#666}.login-link a[data-v-86ef2fc8]{color:#5991eb;text-decoration:none;font-weight:600}.login-link a[data-v-86ef2fc8]:hover{text-decoration:underline}.message[data-v-86ef2fc8]{padding:10px 15px;border-radius:6px;margin-top:20px;font-size:14px;text-align:center}.message.success[data-v-86ef2fc8]{background:#d6eaff;color:#0040a0;border:1px solid #b3d1ff}.message.error[data-v-86ef2fc8]{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Microsoft YaHei,Arial,sans-serif;background:linear-gradient(135deg,#5991eb 0%,#a8c7fa 100%);min-height:100vh;color:#333}.navbar{background:rgba(255,255,255,.95);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:0;position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px #0000001a}.nav-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:15px 20px}.nav-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:#5991eb}.nav-logo img{width:40px;height:40px;border-radius:8px}.nav-menu{display:flex;gap:30px}.nav-link{text-decoration:none;color:#333;font-weight:500;padding:8px 16px;border-radius:20px;transition:all .3s ease}.nav-link:hover,.nav-link.active{background:#5991eb;color:#fff}.nav-search-center{flex:1;display:flex;justify-content:center;align-items:center;margin:0 40px}.extended-search{width:100%;max-width:600px}.extended-search input{width:100%}.nav-user{display:flex;align-items:center;gap:15px}.search-box{display:flex;align-items:center;background:#f5f5f5;border-radius:25px;padding:8px 15px;border:2px solid transparent;transition:all .3s ease;box-shadow:0 0 0 1px #5991eb4d;background:linear-gradient(135deg,#f5f5f5 0%,#ffffff 100%)}.search-box:focus-within{border-color:#5991eb;background:linear-gradient(135deg,#ffffff 0%,#f0f7ff 100%);box-shadow:0 0 0 2px #5991eb80,0 4px 15px #5991eb33}.search-box input{border:none;background:none;outline:none;padding:5px;width:100%;font-size:14px}.search-box button{background:none;border:none;color:#666;cursor:pointer;padding:5px}.user-info{display:flex;align-items:center;gap:10px}.user-avatar-container{cursor:pointer;transition:all .3s ease}.user-avatar-container:hover{transform:scale(1.1)}.user-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;border:2px solid #5991eb}.username{font-weight:500;color:#333}.logout-btn{background:transparent;color:#666;border:none;padding:5px 10px;border-radius:15px;cursor:pointer;font-size:14px;transition:all .3s ease}.logout-btn:hover{background:#f5f5f5;color:#f44336}.user-dropdown{position:absolute;top:100%;right:0;background:white;border-radius:8px;box-shadow:0 4px 20px #00000026;min-width:180px;z-index:1000;margin-top:10px;overflow:hidden;border:1px solid #e0e0e0}.user-dropdown:before{content:"";position:absolute;top:-8px;right:20px;width:0;height:0;border-left:8px solid transparent;border-right:8px solid transparent;border-bottom:8px solid white}.dropdown-item{padding:12px 16px;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:10px;color:#333;font-size:14px}.dropdown-item:hover{background:#f5f5f5;color:#5991eb}.dropdown-item i{width:16px;text-align:center}.user-info{position:relative}.login-btn,.register-btn{padding:8px 20px;border:none;border-radius:20px;cursor:pointer;font-weight:500;transition:all .3s ease}.login-btn{background:transparent;color:#5991eb;border:2px solid #5991eb}.login-btn:hover,.register-btn{background:#5991eb;color:#fff}.register-btn:hover{background:#4a80d8}.main-container{max-width:1200px;margin:20px auto;display:grid;grid-template-columns:280px 1fr;gap:20px;padding:0 20px}.sidebar{background:rgba(255,255,255,.95);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:15px;padding:20px;height:fit-content;box-shadow:0 8px 32px #0000001a;position:sticky;top:100px;max-height:calc(100vh - 120px);overflow-y:auto}.sidebar-section{margin-bottom:25px}.sidebar-section h3{color:#333;margin-bottom:15px;font-size:16px;border-bottom:2px solid #5991eb;padding-bottom:5px}.nav-list{list-style:none}.nav-list li{margin-bottom:8px}.nav-list a{text-decoration:none;color:#666;display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:8px;transition:all .3s ease}.nav-list a:hover{background:#f0f8ff;color:#5991eb}.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}.tag{background:#e8f4ff;color:#5991eb;padding:5px 10px;border-radius:15px;font-size:12px;cursor:pointer;transition:all .3s ease}.tag:hover{background:#5991eb;color:#fff}.official-support{background:#f8f9fa;padding:15px;border-radius:8px;font-size:14px;line-height:1.6}.official-support p{margin-bottom:8px}.main-content{background:rgba(255,255,255,.95);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:15px;padding:25px;box-shadow:0 8px 32px #0000001a}.hero-banner{background:linear-gradient(135deg,#5991eb 0%,#a8c7fa 100%);color:#fff;padding:40px;border-radius:15px;text-align:center;margin-bottom:25px}.hero-banner h1{font-size:28px;margin-bottom:15px}.hero-banner p{font-size:16px;margin-bottom:20px;opacity:.9}.cta-button{background:white;color:#5991eb;border:none;padding:12px 30px;border-radius:25px;font-size:16px;font-weight:700;cursor:pointer;transition:all .3s ease}.cta-button:hover{transform:translateY(-2px);box-shadow:0 5px 15px #0003}.category-tabs{display:flex;gap:10px;margin-bottom:25px;border-bottom:2px solid #f0f0f0;padding-bottom:15px}.tab-btn{background:none;border:none;padding:10px 20px;border-radius:20px;cursor:pointer;font-weight:500;transition:all .3s ease;color:#666}.tab-btn.active,.tab-btn:hover{background:#5991eb;color:#fff}.questions-container{margin-bottom:25px}.question-item{background:white;border:1px solid #e0e0e0;border-radius:12px;padding:20px;margin-bottom:15px;transition:all .3s ease;cursor:pointer}.question-item:hover{box-shadow:0 5px 20px #0000001a;transform:translateY(-2px)}.question-item.pinned-question{border:2px solid #3498db;background:#f0f8ff;box-shadow:0 2px 8px #3498db33;transition:all .3s ease}.question-item.pinned-question:hover{border-color:#2980b9;box-shadow:0 4px 12px #3498db4d;transform:translateY(-3px)}.question-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:15px}.question-title{font-size:18px;font-weight:600;color:#333;margin-bottom:5px}.question-category{background:#e3f2fd;color:#1976d2;padding:4px 12px;border-radius:15px;font-size:12px;font-weight:500}.question-content{color:#666;line-height:1.6;margin-bottom:15px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.question-meta{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:#999}.question-author{display:flex;align-items:center;gap:8px}.author-avatar{width:24px;height:24px;border-radius:50%;background:#5991eb;display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:700}.question-stats{display:flex;gap:15px}.stat-item{display:flex;align-items:center;gap:5px}.stat-item i{color:#5991eb}.load-more{text-align:center;margin-top:20px}.load-more-btn{background:#5991eb;color:#fff;border:none;padding:12px 30px;border-radius:25px;cursor:pointer;font-size:16px;transition:all .3s ease}.load-more-btn:hover{background:#4a80d8;transform:translateY(-2px)}.modal{position:fixed;z-index:2000;left:0;top:0;width:100%;height:100%;background-color:#00000080;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.modal-content{background-color:#fff;margin:5% auto;padding:30px;border-radius:15px;width:90%;max-width:500px;max-height:80vh;overflow-y:auto;box-shadow:0 20px 60px #0000004d;animation:modalSlideIn .3s ease}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-50px)}to{opacity:1;transform:translateY(0)}}.close{color:#aaa;float:right;font-size:28px;font-weight:700;cursor:pointer;transition:color .3s ease}.close:hover{color:#333}.modal-content h2{margin-bottom:20px;color:#333;text-align:center}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:5px;font-weight:500;color:#333}.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px;border:2px solid #e0e0e0;border-radius:8px;font-size:14px;transition:border-color .3s ease}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:#5991eb}.checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer}.checkbox-label input[type=checkbox]{width:auto}.verification-code-group{display:flex;gap:10px}.verification-code-group input{flex:1}.send-code-btn{background:#5991eb;color:#fff;border:none;padding:12px 15px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .3s ease;white-space:nowrap}.send-code-btn:hover{background:#4a80db}.send-code-btn:disabled{background:#cccccc;cursor:not-allowed}.submit-btn{width:100%;background:#5991eb;color:#fff;border:none;padding:12px;border-radius:8px;font-size:16px;font-weight:500;cursor:pointer;transition:all .3s ease}.submit-btn:hover{background:#4a80db}.modal-footer{text-align:center;margin-top:20px;padding-top:20px;border-top:1px solid #e0e0e0}.modal-footer a{color:#5991eb;text-decoration:none;font-weight:500}.modal-footer a:hover{text-decoration:underline}@media (max-width: 768px){.main-container{grid-template-columns:1fr;gap:15px}.nav-container{flex-direction:column;gap:15px}.nav-menu{gap:15px}.nav-user{flex-direction:column;gap:10px}.hero-banner{padding:25px}.hero-banner h1{font-size:24px}.category-tabs{flex-wrap:wrap}.modal-content{margin:10% auto;padding:20px}.back-to-top-btn{bottom:20px;right:20px;width:45px;height:45px;font-size:16px}}.loading{display:inline-block;width:20px;height:20px;border:3px solid #f3f3f3;border-top:3px solid #5991eb;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.success-message{background:#d4edda;color:#155724;padding:15px;border-radius:8px;margin-bottom:20px;border:1px solid #c3e6cb}.error-message{background:#f8d7da;color:#721c24;padding:15px;border-radius:8px;margin-bottom:20px;border:1px solid #f5c6cb}.back-to-top-btn{position:fixed;bottom:30px;right:30px;width:50px;height:50px;background:linear-gradient(135deg,#5991eb 0%,#4a80db 100%);color:#fff;border:none;border-radius:50%;cursor:pointer;font-size:18px;box-shadow:0 4px 15px #5991eb4d;transition:all .3s ease;z-index:1000;display:flex;align-items:center;justify-content:center}.back-to-top-btn:hover{transform:translateY(-3px);box-shadow:0 6px 20px #5991eb66}.back-to-top-btn:active{transform:translateY(-1px)}.back-to-top-btn i{margin:0}