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(max-width:768px){.tools-grid{grid-template-columns:repeat(2,1fr);gap:var(--space-md)}.articles-grid{grid-template-columns:1fr}.trending-tools-grid{grid-template-columns:1fr}.related-tools-grid{grid-template-columns:repeat(2,1fr)}.category-filters{flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;padding:0;margin-left:calc(-1 * var(--container-padding));margin-right:calc(-1 * var(--container-padding));padding-left:var(--container-padding);padding-right:var(--container-padding);scrollbar-width:none;-webkit-overflow-scrolling:touch}.category-filters::-webkit-scrollbar{display:none}.category-filter{flex-shrink:0;font-size:var(--text-xs);padding:var(--space-xs) var(--space-md)}.tool-card-modern{padding:var(--space-md)}.tool-card-icon{width:48px;height:48px}.tool-card-icon svg{width:24px;height:24px}.tool-card-name{font-size:var(--text-sm)}.tool-card-desc{display:none}.tool-card-btn{opacity:1;transform:translateY(0);font-size:var(--text-xs);padding:var(--space-xs) var(--space-md)}.tool-premium-header{padding:var(--space-lg)}.tool-premium-icon{width:60px;height:60px}.tool-premium-icon svg{width:30px;height:30px}.tool-premium-title{font-size:var(--text-xl)}.tool-premium-desc{font-size:var(--text-base)}.tool-section{padding:var(--space-lg)}.newsletter-form-wrapper{flex-direction:column;background:#fff0;border:none;padding:0}.newsletter-form-wrapper input[type="email"]{background:rgb(255 255 255 / .1);border:1px solid rgb(255 255 255 / .2);border-radius:var(--radius-lg)}.newsletter-form-wrapper .btn{width:100%}.share-label{width:100%;margin-bottom:0}}@media (max-width:480px){.tools-grid{grid-template-columns:repeat(2,1fr);gap:var(--space-sm)}.tool-card-modern{padding:var(--space-md) var(--space-sm)}.related-tools-grid{grid-template-columns:1fr}.how-to-step{gap:var(--space-md)}}.tools-loading-spinner{display:flex;flex-direction:column;align-items:center;justify-content:center;grid-column:1 / -1;padding:var(--space-3xl) 0;gap:var(--space-lg);color:var(--text-muted)}.tools-loading-spinner .spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top-color:var(--color-primary);border-radius:50%;animation:spin 0.8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.tools-grid-empty{grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-3xl) 0;gap:var(--space-md);text-align:center;color:var(--text-muted)}.tools-grid-empty svg{opacity:.4;width:48px;height:48px}.tools-grid-empty h3{font-size:var(--text-xl);color:var(--text-primary)}.tools-grid-empty p{font-size:var(--text-sm)}.tools-grid.loading{position:relative;min-height:200px}.faq-list{display:flex;flex-direction:column;gap:var(--space-sm);max-width:800px}.faq-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition-normal)}.faq-item:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md)}.faq-question{width:100%;padding:var(--space-lg) var(--space-xl);display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);background:none;border:none;color:var(--text-primary);font-size:var(--text-base);font-weight:600;cursor:pointer;text-align:left}.faq-arrow{width:20px;height:20px;flex-shrink:0;transition:transform var(--transition-normal);color:var(--text-muted)}.faq-item.active .faq-arrow{transform:rotate(180deg)}.faq-answer{max-height:0;overflow:hidden;transition:max-height var(--transition-normal),padding var(--transition-normal)}.faq-item.active .faq-answer{max-height:500px;padding:0 var(--space-xl) var(--space-lg)}.faq-answer div{color:var(--text-secondary);line-height:1.8}