.help-container{max-width:800px;margin:0 auto;padding:20px}.help-card{background:#fff;border-radius:12px;padding:24px;margin-bottom:20px;box-shadow:0 2px 8px rgba(0,0,0,0.06)}.help-title{font-size:22px;font-weight:700;color:#2d3748;margin-bottom:20px;text-align:center}.help-tabs{display:flex;gap:8px;margin-bottom:24px;background:#f7fafc;padding:6px;border-radius:10px}.help-tab{flex:1;padding:12px;text-align:center;border-radius:8px;cursor:pointer;font-size:15px;font-weight:600;color:#718096;transition:all 0.2s;border:none;background:transparent}.help-tab.active{background:#fff;color:#4299e1;box-shadow:0 2px 4px rgba(0,0,0,0.08)}.help-section{display:none}.help-section.active{display:block}.help-subtitle{font-size:17px;font-weight:700;color:#2d3748;margin:24px 0 12px;padding-left:10px;border-left:4px solid #4299e1}.help-subtitle:first-child{margin-top:0}.step-list{list-style:none;padding:0;margin:0}.step-item{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid #edf2f7}.step-item:last-child{border-bottom:none}.step-number{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,#4299e1,#3182ce);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0}.step-content{flex:1}.step-title{font-size:15px;font-weight:600;color:#2d3748;margin-bottom:4px}.step-desc{font-size:13px;color:#718096;line-height:1.6}.step-tip{margin-top:8px;padding:8px 12px;background:#ebf8ff;border-radius:6px;font-size:12px;color:#2b6cb0;line-height:1.5}.version-badge{display:inline-block;padding:4px 10px;border-radius:6px;font-size:12px;font-weight:700;margin-right:8px}.version-quick{background:#e6fffa;color:#319795}.version-pro{background:linear-gradient(135deg,#fef3c7,#fde68a);color:#92400e}.policy-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}.policy-item{background:#f7fafc;border-radius:8px;padding:14px}.policy-label{font-size:12px;color:#718096;margin-bottom:4px}.policy-value{font-size:18px;font-weight:700;color:#2d3748}.policy-value .unit{font-size:12px;color:#a0aec0;font-weight:400;margin-left:2px}.policy-section{margin-bottom:24px}.policy-section-title{font-size:15px;font-weight:700;color:#2d3748;margin-bottom:10px;display:flex;align-items:center;gap:6px}.policy-list{list-style:none;padding:0;margin:0}.policy-list li{padding:8px 0;font-size:13px;color:#4a5568;line-height:1.6;display:flex;gap:8px}.policy-list li:before{content:'✓';color:#38a169;font-weight:700;flex-shrink:0}.policy-warn{background:#fffbeb;border:1px solid #fde68a;border-radius:8px;padding:12px;margin-top:12px;font-size:13px;color:#92400e;line-height:1.6}.policy-disabled{text-align:center;padding:30px;color:#a0aec0;font-size:14px}@media (max-width:600px){.help-container{padding:12px}.help-card{padding:16px}.help-title{font-size:18px}.help-tab{font-size:13px;padding:10px 4px}.policy-grid{grid-template-columns:1fr}}