.tool-guide-accordion{background:none;border:none;box-shadow:none;padding:40px 0 0;border-top:1px solid var(--border);margin:8px 0 0}.tool-guide-accordion .guide-section{border:2px solid var(--border);border-radius:16px;overflow:hidden;margin-bottom:1rem;transition:all .3s ease}.tool-guide-accordion .guide-section:last-child{margin-bottom:0}.tool-guide-accordion .guide-section.active{border-color:var(--accent);box-shadow:0 8px 30px #667eea26}.guide-section-header{width:100%;padding:1.15rem 1.4rem;background:none;border:none;display:flex;align-items:center;justify-content:space-between;cursor:pointer;transition:all var(--transition-smooth);text-align:left}.guide-section-header:hover{background:var(--glass)}.guide-header-content{display:flex;align-items:center;gap:.85rem}.guide-header-content svg{color:var(--accent);flex-shrink:0}.guide-header-content h3{font-size:1.15rem;font-weight:600;margin:0;color:var(--text-primary);font-family:var(--font-display)}.guide-header-icon{color:var(--text-secondary);transition:transform var(--transition-smooth)}.guide-section.active .guide-header-icon{color:var(--accent);transform:rotate(180deg)}.guide-section-content{background:none;padding:0;max-height:0;overflow:hidden;transition:all .4s cubic-bezier(.4,0,.2,1)}.guide-section.active .guide-section-content{max-height:1200px;padding:.25rem 1.4rem 1.5rem}.how-to-steps{display:flex;flex-direction:column;gap:1.25rem}.step-item{display:flex;gap:1rem;align-items:flex-start}.step-item .step-number{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent-alt));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0;font-size:.9rem;box-shadow:0 4px 12px #667eea4d}.step-item .step-content{flex:1}.step-content h4{font-size:1.05rem;font-weight:600;margin:5px 0 .4rem;color:var(--text-primary)}.step-content p{margin:0 0 .5rem;color:var(--text-secondary);line-height:1.65}.step-tip{background:var(--glass);border-left:3px solid var(--accent);padding:.7rem .85rem;border-radius:var(--radius-md);font-size:.88rem;color:var(--text-primary);margin-top:.5rem}.faq-items{display:flex;flex-direction:column;gap:.6rem}.tool-guide-accordion .faq-item{background:var(--glass);border:none;border-radius:10px;overflow:hidden;padding:0;transition:all var(--transition-smooth)}.tool-guide-accordion .faq-item.active{background:linear-gradient(165deg,#667eea1f,#764ba20a)}.faq-item-header{width:100%;padding:.95rem 1.15rem;background:transparent;border:none;display:flex;align-items:center;justify-content:space-between;cursor:pointer;transition:all var(--transition-smooth);text-align:left}.faq-item-header:hover{background:var(--glass)}.faq-item-header h4{font-size:.98rem;font-weight:600;margin:0;color:var(--text-primary);flex:1}.faq-item-icon{color:var(--text-secondary);transition:all var(--transition-smooth);flex-shrink:0}.faq-item.active .faq-item-icon{color:var(--accent);transform:rotate(180deg)}.faq-item-content{max-height:0;overflow:hidden;transition:all .3s cubic-bezier(.4,0,.2,1);opacity:0}.faq-item-content.open{max-height:300px;opacity:1;padding:0 1.15rem 1rem}.faq-item-content p{color:var(--text-secondary);line-height:1.7;margin:0}@media(max-width:768px){.tool-guide-accordion{padding-top:32px}.guide-header-content h3{font-size:1.05rem}}.tool-layout{flex:1;min-width:0;margin-left:280px;min-height:100vh;background:transparent}.tool-layout-container{max-width:1200px;margin:0 auto;padding:var(--space-xl) var(--space-md)}.tool-layout-nav{display:flex;gap:var(--space-md);margin-bottom:var(--space-xl);justify-content:flex-start;align-items:center}.back-to-home{display:inline-flex;align-items:center;gap:var(--space-xs);padding:var(--space-sm) var(--space-md);background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);color:var(--text-secondary);text-decoration:none;font-size:.875rem;font-weight:500;transition:all var(--transition-smooth)}.back-to-home:hover{background:var(--bg-secondary);color:var(--accent);border-color:var(--accent);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.back-to-home svg{transition:transform var(--transition-smooth)}.back-to-home:hover svg{transform:translate(-2px)}.tool-layout-header{margin-bottom:var(--space-2xl);text-align:center}.tool-layout-title{font-family:var(--font-display);font-size:2.5rem;font-weight:700;color:var(--text-primary);margin:0 0 var(--space-md) 0}.tool-layout-description{font-size:1.125rem;color:var(--text-muted);max-width:600px;margin:0 auto;line-height:1.6}.tool-layout-content{display:flex;flex-direction:column;gap:var(--space-xl)}@media(max-width:768px){.tool-layout{margin-left:0;margin-bottom:80px}.tool-layout-container{padding:var(--space-lg) var(--space-md)}.tool-layout-nav{margin-bottom:var(--space-lg);flex-wrap:wrap}.back-to-home{font-size:.8rem;padding:var(--space-xs) var(--space-sm)}.tool-layout-title{font-size:2rem}.tool-layout-description{font-size:1rem}.tool-layout-header{margin-bottom:var(--space-xl)}}.tool-page-template{display:flex;min-height:100vh;background:var(--bg-primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);border:none;border-radius:var(--radius-md);font-family:var(--font-body);font-weight:500;text-decoration:none;cursor:pointer;transition:all var(--transition-smooth);position:relative;overflow:hidden;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-alt));color:#fff;box-shadow:0 4px 15px #667eea4d}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 25px #667eea66}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:2px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--glass);border-color:var(--accent);transform:translateY(-1px)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#f35;transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--text-primary);border:1px solid transparent}.btn-ghost:hover:not(:disabled){background:var(--glass);border-color:var(--border)}.btn-small{padding:var(--space-xs) var(--space-sm);font-size:.875rem}.btn-medium{padding:var(--space-sm) var(--space-md);font-size:1rem}.btn-large{padding:var(--space-md) var(--space-lg);font-size:1.125rem}.btn-loading{color:transparent}.btn-spinner{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:16px;height:16px;border:2px solid transparent;border-top:2px solid currentColor;border-radius:50%;animation:spin 1s linear infinite}.btn-icon{display:flex;align-items:center;justify-content:center}.btn:focus{outline:none;box-shadow:0 0 0 3px #667eea33}.btn:active{transform:translateY(0)}body.light-theme .btn-primary{box-shadow:0 4px 15px #667eea4d}body.light-theme .btn-primary:hover:not(:disabled){box-shadow:0 8px 25px #667eea66}