.office-iten-container{max-width:800px;margin:0 auto;padding:24px 16px 48px;color:#2d3748;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.7}.office-iten-breadcrumb{font-size:14px;color:#718096;margin-bottom:24px}.office-iten-breadcrumb a{color:#3182ce;text-decoration:none}.office-iten-breadcrumb a:hover{text-decoration:underline}.office-iten-breadcrumb span{margin:0 8px}.office-iten-hero{background:#f7fafc;border:1px solid #e2e8f0;border-radius:12px;padding:32px 24px;margin-bottom:40px}.office-iten-hero-badge{display:inline-block;background:#2b6cb0;color:#ffffff;font-size:13px;font-weight:700;padding:4px 12px;border-radius:9999px;margin-bottom:16px}.office-iten-hero-title{font-size:24px;font-weight:700;color:#1a202c;line-height:1.4;margin-bottom:16px}.office-iten-hero-lead{font-size:15px;color:#4a5568;margin-bottom:24px}.office-iten-cta-box{background:#ffffff;border:2px solid #3182ce;border-radius:8px;padding:24px;text-align:center}.office-iten-cta-title{font-size:18px;font-weight:700;color:#2b6cb0;margin-bottom:12px}.office-iten-cta-buttons{display:flex;flex-direction:column;gap:12px;margin:16px 0}.office-iten-btn-primary{display:block;background:#3182ce;color:#ffffff;font-weight:700;font-size:16px;padding:14px 20px;border-radius:6px;text-decoration:none;transition:background-color .2s}.office-iten-btn-primary:hover{background:#2b6cb0}.office-iten-btn-secondary{display:block;background:#edf2f7;color:#2d3748;font-weight:700;font-size:15px;padding:12px 20px;border-radius:6px;text-decoration:none;border:1px solid #cbd5e0;transition:background-color .2s}.office-iten-btn-secondary:hover{background:#e2e8f0}.office-iten-btn-tel{display:block;background:#38a169;color:#ffffff;font-weight:700;font-size:16px;padding:12px 20px;border-radius:6px;text-decoration:none;transition:background-color .2s}.office-iten-btn-tel:hover{background:#2f855a}.office-iten-cta-note{font-size:13px;color:#718096}.office-iten-section{margin-bottom:40px}.office-iten-heading{font-size:20px;font-weight:700;color:#1a202c;border-left:5px solid #3182ce;padding-left:12px;margin-bottom:20px;line-height:1.4}.office-iten-subheading{font-size:17px;font-weight:700;color:#2d3748;margin:24px 0 12px}.office-iten-card{background:#ffffff;border:1px solid #e2e8f0;border-radius:8px;padding:20px;margin-bottom:16px;box-shadow:0 1px 3px rgba(0,0,0,.05)}.office-iten-card-title{font-size:16px;font-weight:700;color:#2b6cb0;margin-bottom:8px}.office-iten-card-text{font-size:15px;color:#4a5568;margin-bottom:12px}.office-iten-card-text:last-child{margin-bottom:0}.office-iten-grid-2,.office-iten-grid-3{display:grid;grid-template-columns:1fr;grid-gap:16px;gap:16px}@media (min-width:640px){.office-iten-grid-2{grid-template-columns:1fr 1fr}.office-iten-grid-3{grid-template-columns:1fr 1fr 1fr}}.office-iten-list{margin:12px 0 16px 20px;padding:0;font-size:15px;color:#4a5568}.office-iten-list li{margin-bottom:8px}.office-iten-callout{background:#ebf8ff;border:1px solid #bee3f8;border-radius:6px;padding:16px;margin:16px 0;font-size:14px;color:#2b6cb0}.office-iten-callout-warning{background:#fffaf0;border:1px solid #feebc8;border-radius:6px;padding:16px;margin:16px 0;font-size:14px;color:#c05621}.office-iten-step{background:#ffffff;border:1px solid #e2e8f0;border-radius:8px;padding:20px;margin-bottom:16px;box-shadow:0 1px 2px rgba(0,0,0,.05)}.office-iten-step-header{display:flex;align-items:center;gap:12px;margin-bottom:8px}.office-iten-step-badge{background:#3182ce;color:#ffffff;font-size:13px;font-weight:700;padding:2px 10px;border-radius:4px}.office-iten-step-title{font-size:16px;font-weight:700;color:#1a202c}.office-iten-step-desc{font-size:14px;color:#4a5568;margin:0}.office-iten-faq-list{display:flex;flex-direction:column;gap:12px}.office-iten-faq-item{background:#ffffff;border:1px solid #e2e8f0;border-radius:8px;overflow:hidden}.office-iten-faq-summary{padding:16px 20px;font-size:16px;font-weight:700;color:#2d3748;cursor:pointer;background:#edf2f7;-webkit-user-select:none;-moz-user-select:none;user-select:none}.office-iten-faq-summary:hover{background:#e2e8f0}.office-iten-faq-content{padding:16px 20px;font-size:15px;color:#4a5568;border-top:1px solid #e2e8f0;line-height:1.7}.office-iten-related-grid{display:grid;grid-template-columns:1fr;grid-gap:12px;gap:12px;margin-bottom:24px}@media (min-width:640px){.office-iten-related-grid{grid-template-columns:1fr 1fr}}.office-iten-related-card{display:block;background:#ffffff;border:1px solid #e2e8f0;border-radius:6px;padding:16px;text-decoration:none;transition:border-color .2s,box-shadow .2s}.office-iten-related-card:hover{border-color:#3182ce;box-shadow:0 2px 4px rgba(49,130,206,.1)}.office-iten-related-title{font-size:15px;font-weight:700;color:#3182ce;margin-bottom:4px}.office-iten-related-desc,.office-iten-sources{font-size:13px;color:#718096}.office-iten-sources{background:#f7fafc;border:1px solid #e2e8f0;border-radius:6px;padding:16px;margin-bottom:24px}.office-iten-sources-title{font-weight:700;color:#4a5568;margin-bottom:8px}.office-iten-sources-list{margin:0 0 0 18px;padding:0}.office-iten-sources-list li{margin-bottom:6px;word-break:break-all}.office-iten-sources-list a{color:#3182ce;text-decoration:none}.office-iten-sources-list a:hover{text-decoration:underline}.office-iten-operator{font-size:13px;color:#718096;text-align:center;margin-top:24px;line-height:1.6}