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12px 0;font-weight:600;display:flex;align-items:center;gap:8px}.card-icon{font-size:20px}.guide-card ul{margin:0;padding-left:20px;list-style:disc}.guide-card li{margin-bottom:8px;color:var(--text-primary);line-height:1.6}.guide-card li strong{color:var(--primary-color);font-weight:600}.guide-card li:last-child{margin-bottom:0}.guide-subsection{margin-bottom:12px}.guide-subsection:last-child{margin-bottom:0}.guide-subsection h5{font-size:14px;color:var(--primary-color);margin:0 0 8px 0;font-weight:600}.guide-subsection ul{margin:0;padding-left:20px}.guide-tip,.func-tip{background:rgba(76,99,166,0.1);padding:8px 12px;border-radius:4px;font-size:12px !important;margin-top:4px;border-left:3px solid var(--primary-color)}.quick-start-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-top:12px}.quick-start-item{display:flex;gap:12px;padding:12px;background:var(--bg-primary);border-radius:6px;border:1px solid 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strong{display:inline;color:var(--primary-color);margin:0;font-size:13px}.shortcut-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-top:12px}.shortcut-item{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:6px;padding:12px;text-align:center}.shortcut-key{display:block;background:var(--primary-color);color:white;padding:8px 12px;border-radius:4px;font-family:'Courier New',monospace;font-size:12px;font-weight:600;margin-bottom:8px}.shortcut-desc{font-size:12px;color:var(--text-secondary);line-height:1.4}.example-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-top:12px}.example-item{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:6px;padding:12px;text-align:center}.example-title{font-size:12px;color:var(--text-secondary);font-weight:500;margin-bottom:6px}.example-formula{font-family:'Courier New',monospace;font-size:13px;color:var(--text-primary);margin-bottom:6px;font-weight:500;word-break:break-word}.example-result{display:flex;align-items:center;justify-content:center;gap:4px;margin-bottom:8px;font-size:13px;color:var(--text-secondary)}.example-result span{color:var(--primary-color);font-weight:600;font-size:14px}.example-note{font-size:11px;color:var(--text-secondary);margin:0;line-height:1.3}.faq-item{padding:12px;margin-bottom:12px;background:var(--bg-primary);border-left:3px solid var(--primary-color);border-radius:4px}.faq-item:last-child{margin-bottom:0}.faq-item strong{display:block;color:var(--primary-color);margin-bottom:6px;font-size:13px}.faq-item p{margin:0;font-size:12px;color:var(--text-primary);line-height:1.5}@media (max-width:768px){.guide-section{margin-top:24px;padding-top:20px}.guide-header h3{font-size:24px;margin-bottom:6px}.guide-subtitle{font-size:12px}.guide-card{padding:12px;margin-bottom:12px}.guide-card h4{font-size:14px;margin-bottom:10px}.card-icon{font-size:18px}.guide-card li{font-size:13px;margin-bottom:6px}.guide-subsection h5{font-size:13px;margin-bottom:6px}.quick-start-grid{grid-template-columns:1fr;gap:10px}.quick-start-item{gap:10px;padding:10px}.quick-start-number{width:28px;height:28px;font-size:12px;flex-shrink:0}.quick-start-content strong{font-size:12px}.quick-start-content p{font-size:11px}.functions-grid{grid-template-columns:1fr;gap:10px}.func-group{padding:10px}.func-group strong{font-size:13px}.func-group li{font-size:12px}.shortcut-grid{grid-template-columns:repeat(2,1fr);gap:10px}.shortcut-item{padding:10px}.shortcut-key{font-size:11px;padding:6px 8px}.shortcut-desc{font-size:11px}.example-grid{grid-template-columns:repeat(2,1fr);gap:10px}.example-item{padding:10px}.example-title{font-size:11px}.example-formula{font-size:12px}.example-result{font-size:12px}.example-result span{font-size:13px}.example-note{font-size:10px}.faq-item{padding:10px;margin-bottom:10px}.faq-item strong{font-size:12px;margin-bottom:4px}.faq-item p{font-size:11px}.guide-tip,.func-tip{font-size:11px !important;padding:6px 10px}}@media (max-width:480px){.guide-section{margin-top:20px;padding-top:16px}.guide-header h3{font-size:20px;margin-bottom:4px}.guide-subtitle{font-size:11px}.guide-card{padding:10px;margin-bottom:10px}.guide-card h4{font-size:13px;margin-bottom:8px;gap:6px}.card-icon{font-size:16px}.guide-card li{font-size:12px;margin-bottom:6px}.quick-start-grid{grid-template-columns:1fr;gap:10px}.quick-start-item{gap:10px;padding:10px}.quick-start-number{width:28px;height:28px;font-size:12px}.quick-start-content strong{font-size:12px}.quick-start-content p{font-size:11px}.functions-grid{grid-template-columns:1fr;gap:10px}.func-group{padding:8px}.func-group strong{font-size:12px;margin-bottom:6px}.func-group li{font-size:11px;margin-bottom:4px}.shortcut-grid{grid-template-columns:1fr;gap:8px}.shortcut-item{padding:10px}.shortcut-key{font-size:11px;padding:6px 8px}.shortcut-desc{font-size:11px}.example-grid{grid-template-columns:1fr;gap:10px}.example-item{padding:10px}.example-title{font-size:11px}.example-formula{font-size:12px}.example-result{font-size:12px}.example-result span{font-size:13px}.example-note{font-size:10px}.faq-item{padding:10px;margin-bottom:10px}.faq-item strong{font-size:12px;margin-bottom:4px}.faq-item p{font-size:11px}.guide-tip,.func-tip{font-size:11px !important;padding:6px 8px}}@media (prefers-reduced-motion:reduce){.guide-card,.quick-start-item{transition:none}}