:root{--color-brand-primary:#06f;--color-brand-secondary:#0052cc;--color-brand-accent:#f0f7ff;--color-text-primary:#0f172a;--color-text-secondary:#475569;--color-bg-body:#f8fafc;--color-bg-card:#fff;--color-border:rgba(203,213,225,0.8);--color-dropzone-bg:#f1f5f9;--color-dropzone-border:#94a3b8;--radius-sm:0.5rem;--radius-md:0.75rem;--radius-xl:1rem;--radius-2xl:1.5rem;--shadow-sm:0 1px 2px 0 rgb(0 0 0 / 0.05);--shadow-md:0 4px 6px -1px rgb(0 0 0 / 0.1),0 2px 4px -2px rgb(0 0 0 / 0.1);--shadow-lg:0 10px 15px -3px rgb(0 0 0 / 0.1),0 4px 6px -4px rgb(0 0 0 / 0.1);--shadow-xl:0 20px 25px -5px rgb(0 0 0 / 0.1),0 8px 10px -6px rgb(0 0 0 / 0.1);--transition-smooth:all 0.3s cubic-bezier(0.4,0,0.2,1)}[data-theme="dark"]{--color-brand-accent:#0f172a;--color-text-primary:#f8fafc;--color-text-secondary:#cbd5e1;--color-bg-body:#0b0f19;--color-bg-card:#1e293b;--color-border:rgba(51,65,85,0.8);--color-dropzone-bg:#0f172a;--color-dropzone-border:#475569}*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;max-width:100%;overflow-x:hidden}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:var(--color-bg-body);color:var(--color-text-primary);line-height:1.7;min-height:100vh;display:flex;flex-direction:column;transition:var(--transition-smooth)}body.drawer-open{overflow:hidden !important;height:100vh !important;touch-action:none}.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(16px);background-color:rgba(255,255,255,0.95);border-bottom:1px solid var(--color-border);transition:var(--transition-smooth)}[data-theme="dark"] .site-header{background-color:rgba(15,23,42,0.95)}.header-container{max-width:1280px;margin:0 auto;padding:0.85rem 1.25rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}.brand-logo{display:flex;align-items:center;gap:0.6rem;text-decoration:none;font-weight:800;font-size:clamp(1.1rem,4vw,1.35rem);color:var(--color-brand-primary);white-space:nowrap}.brand-logo img{width:36px;height:36px;border-radius:8px;transition:transform 0.3s ease}.header-right{display:flex;align-items:center;gap:0.85rem}.privacy-badge{display:inline-flex;align-items:center;gap:0.35rem;background-color:#eff6ff;color:#004085;padding:0.35rem 0.85rem;border-radius:9999px;font-size:0.825rem;font-weight:700;border:1px solid rgba(0,64,133,0.3);white-space:nowrap}[data-theme="dark"] .privacy-badge{background-color:rgba(0,102,255,0.2);color:#93c5fd;border-color:rgba(147,197,253,0.4)}.nav-links{display:flex;align-items:center;gap:1.25rem;list-style:none}.nav-links a{text-decoration:none;color:var(--color-text-secondary);font-weight:600;transition:var(--transition-smooth)}.nav-links a:hover{color:var(--color-brand-primary)}.theme-btn{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:9999px;width:38px;height:38px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--color-text-primary);font-size:1.1rem;box-shadow:var(--shadow-sm);transition:var(--transition-smooth);flex-shrink:0}.theme-btn:hover{background-color:var(--color-brand-accent);color:var(--color-brand-primary);border-color:var(--color-brand-primary)}.theme-btn.spin{animation:rotateTheme 0.5s cubic-bezier(0.4,0,0.2,1)}@keyframes rotateTheme{0%{transform:rotate(0deg) scale(0.8)}50%{transform:rotate(180deg) scale(1.15)}100%{transform:rotate(360deg) scale(1)}}.mobile-menu-btn{display:none;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:9999px;width:38px;height:38px;font-size:1.2rem;color:var(--color-text-primary);cursor:pointer;box-shadow:var(--shadow-sm);transition:var(--transition-smooth);flex-shrink:0}.mobile-drawer{display:none;position:fixed;top:0;left:0;right:0;bottom:0;width:100vw;height:100vh;max-height:100vh;background-color:var(--color-bg-card);padding:1.5rem 1.25rem 3rem;z-index:99;flex-direction:column;gap:1rem;box-shadow:var(--shadow-xl);overflow-y:auto;-webkit-overflow-scrolling:touch;backdrop-filter:blur(20px);touch-action:pan-y}[data-theme="dark"] .mobile-drawer{background-color:#0b0f19}.mobile-drawer.active{display:flex}.drawer-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:0.85rem;border-bottom:1px solid var(--color-border)}.drawer-section-title{font-size:0.8rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:var(--color-brand-primary);margin:0.85rem 0 0.4rem}.drawer-links-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:0.5rem}.drawer-link-item{display:flex;align-items:center;gap:0.5rem;padding:0.65rem 0.85rem;background-color:var(--color-dropzone-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);text-decoration:none;color:var(--color-text-primary);font-weight:600;font-size:0.85rem;transition:var(--transition-smooth)}.drawer-link-item:hover{background-color:var(--color-brand-accent);color:var(--color-brand-primary);border-color:var(--color-brand-primary)}.mobile-close-btn{background:var(--color-dropzone-bg);border:1px solid var(--color-border);border-radius:9999px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:700;color:var(--color-text-primary);cursor:pointer}#mobileThemeToggleBtn{display:flex;align-items:center;justify-content:center;gap:0.5rem;width:100%;margin-top:1rem;margin-bottom:1.5rem;padding:0.85rem;border-radius:9999px;border:1px solid var(--color-border);background-color:var(--color-dropzone-bg);color:var(--color-text-primary);font-weight:700;font-size:0.95rem;cursor:pointer;transition:var(--transition-smooth)}[data-theme="dark"] #mobileThemeToggleBtn{background-color:var(--color-bg-card);color:#fff !important;border-color:var(--color-border)}.guidance-toast{display:flex;align-items:center;gap:0.75rem;padding:0.85rem 1rem;background-color:var(--color-bg-card);border:1px solid var(--color-brand-primary);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);margin-bottom:1.25rem;font-size:0.9rem;font-weight:600;color:var(--color-text-primary);animation:slideInDown 0.4s cubic-bezier(0.4,0,0.2,1)}.guidance-toast.warning{border-color:#d97706;background-color:rgba(217,119,6,0.08)}.guidance-toast.error{border-color:#dc2626;background-color:rgba(220,38,38,0.08)}.guidance-toast-icon{font-size:1.3rem;flex-shrink:0}@keyframes slideInDown{from{opacity:0;transform:translateY(-15px)}to{opacity:1;transform:translateY(0)}}.hero{text-align:center;padding:2.5rem 1.25rem 1.75rem;max-width:900px;margin:0 auto}.hero h1{font-size:clamp(1.75rem,5vw,2.75rem);font-weight:800;letter-spacing:-0.02em;margin-bottom:0.85rem;background:linear-gradient(135deg,var(--color-brand-primary),var(--color-brand-secondary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.25}.hero p{font-size:clamp(0.95rem,2.5vw,1.15rem);color:var(--color-text-secondary);margin-bottom:1.5rem}.search-container{max-width:600px;margin:0 auto 1.5rem;position:relative;width:100%}.search-input{width:100%;padding:0.85rem 1.25rem 0.85rem 2.85rem;border-radius:9999px;border:1px solid var(--color-border);background-color:var(--color-bg-card);color:var(--color-text-primary);font-size:0.95rem;box-shadow:var(--shadow-md);outline:none;transition:var(--transition-smooth)}.search-input:focus{border-color:var(--color-brand-primary);box-shadow:0 0 0 3px rgba(0,102,255,0.2)}.search-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--color-text-secondary)}.search-suggestions-dropdown{position:absolute;top:100%;left:0;right:0;margin-top:0.5rem;background-color:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);z-index:60;overflow:hidden;max-height:360px;overflow-y:auto;backdrop-filter:blur(16px);display:none;flex-direction:column}.search-suggestions-dropdown.active{display:flex}.suggestion-item{display:flex;align-items:center;gap:0.85rem;padding:0.85rem 1.25rem;text-decoration:none;color:var(--color-text-primary);transition:var(--transition-smooth);border-bottom:1px solid var(--color-border);text-align:left}.suggestion-item:last-child{border-bottom:none}.suggestion-item:hover,.suggestion-item.selected{background-color:var(--color-brand-accent);color:var(--color-brand-primary)}.suggestion-icon{font-size:1.3rem;width:36px;height:36px;background-color:var(--color-dropzone-bg);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0}.suggestion-meta{display:flex;flex-direction:column;overflow:hidden}.suggestion-title{font-weight:700;font-size:0.95rem}.suggestion-desc{font-size:0.8rem;color:var(--color-text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.category-tabs{display:flex;align-items:center;justify-content:center;gap:0.4rem;flex-wrap:wrap;margin-bottom:2rem}.tab-btn{background:transparent;border:1px solid var(--color-border);color:var(--color-text-secondary);padding:0.45rem 1rem;border-radius:9999px;font-weight:600;font-size:0.85rem;cursor:pointer;transition:var(--transition-smooth);white-space:nowrap}.tab-btn:hover,.tab-btn.active{background-color:var(--color-brand-primary);color:#fff;border-color:var(--color-brand-primary)}.tools-section{max-width:1280px;margin:0 auto;padding:0 1.25rem 4rem;flex:1;width:100%}.grid-title{font-size:1.35rem;font-weight:700;margin-bottom:1.25rem;display:flex;align-items:center;gap:0.5rem}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.25rem}.tool-card{background-color:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:1.5rem;text-decoration:none;color:inherit;box-shadow:var(--shadow-sm);transition:var(--transition-smooth);display:flex;flex-direction:column;gap:0.65rem;position:relative;overflow:hidden}.tool-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl);border-color:var(--color-brand-primary)}.tool-icon{width:44px;height:44px;background-color:var(--color-brand-accent);color:var(--color-brand-primary);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;font-weight:700}.tool-name{font-size:1.1rem;font-weight:700}.tool-desc{font-size:0.85rem;color:var(--color-text-secondary);line-height:1.5}.seo-section{max-width:900px;margin:3.5rem auto;padding:0 1.25rem;text-align:left}.seo-section h2{font-size:clamp(1.4rem,4vw,2rem);font-weight:800;margin-top:2rem;margin-bottom:1.15rem;color:var(--color-text-primary);line-height:1.35;letter-spacing:-0.01em}.seo-section h3{font-size:clamp(1.15rem,3vw,1.4rem);font-weight:700;margin-top:1.85rem;margin-bottom:0.85rem;color:var(--color-text-primary);line-height:1.4}.seo-section p{color:var(--color-text-secondary);font-size:0.975rem;line-height:1.8;margin-bottom:1.35rem;text-align:left;text-wrap:pretty}.seo-section ul,.seo-section ol{padding-left:1.5rem;margin-bottom:1.5rem;color:var(--color-text-secondary);font-size:0.95rem;line-height:1.75}.seo-section li{margin-bottom:0.65rem;padding-left:0.25rem}.seo-section strong{color:var(--color-text-primary);font-weight:700}.faq-grid{display:flex;flex-direction:column;gap:0.85rem;margin-top:1.5rem}.faq-card{background-color:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:1.25rem;box-shadow:var(--shadow-sm)}.faq-question{font-size:1.05rem;font-weight:700;margin-bottom:0.4rem}.faq-answer{color:var(--color-text-secondary);font-size:0.9rem}.tool-workspace{max-width:900px;margin:1.5rem auto 4rem;padding:0 1.25rem;width:100%}.tool-header{text-align:center;margin-bottom:2rem}.tool-header h1{font-size:clamp(1.6rem,4.5vw,2.25rem);font-weight:800;margin-bottom:0.5rem}.tool-header p{color:var(--color-text-secondary);font-size:0.95rem}.dropzone{background-color:var(--color-dropzone-bg);border:2px dashed var(--color-dropzone-border);border-radius:var(--radius-2xl);padding:2.5rem 1.25rem;text-align:center;cursor:pointer;transition:var(--transition-smooth);position:relative;margin-bottom:1.5rem;width:100%}.dropzone:hover,.dropzone.dragover{border-color:var(--color-brand-primary);background-color:var(--color-brand-accent)}.dropzone-icon{font-size:3rem;margin-bottom:0.75rem;color:var(--color-brand-primary)}.dropzone-title{font-size:1.15rem;font-weight:700;margin-bottom:0.4rem}.dropzone-sub{color:var(--color-text-secondary);font-size:0.85rem;margin-bottom:1.25rem}.btn-primary{background-color:var(--color-brand-primary);color:#fff;border:none;padding:0.75rem 1.75rem;border-radius:9999px;font-size:0.95rem;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;box-shadow:var(--shadow-md);transition:var(--transition-smooth);max-width:100%}.btn-primary:hover{background-color:var(--color-brand-secondary);transform:translateY(-2px)}.processing-card{background-color:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:1.5rem;box-shadow:var(--shadow-lg);display:none;flex-direction:column;gap:1.25rem;margin-bottom:1.5rem;width:100%}.processing-card.active{display:flex}.selected-files-container{display:flex;flex-direction:column;gap:0.65rem;margin-bottom:0.85rem;width:100%}.file-card-item{display:flex;align-items:center;justify-content:space-between;background-color:var(--color-dropzone-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:0.75rem 1rem;box-shadow:var(--shadow-sm);transition:var(--transition-smooth);gap:0.75rem;flex-wrap:wrap}.file-card-details{display:flex;align-items:center;gap:0.75rem;overflow:hidden;min-width:0;flex:1}.file-card-icon{font-size:1.3rem;width:36px;height:36px;background-color:var(--color-brand-accent);color:var(--color-brand-primary);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0}.file-card-meta{display:flex;flex-direction:column;overflow:hidden;min-width:0}.file-card-name{font-weight:700;font-size:0.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-card-size{font-size:0.75rem;color:var(--color-text-secondary)}.file-card-badge{background-color:var(--color-brand-accent);color:var(--color-brand-primary);font-size:0.7rem;font-weight:700;padding:0.2rem 0.5rem;border-radius:9999px;border:1px solid rgba(0,102,255,0.2);white-space:nowrap}.file-card-remove-btn{background:transparent;border:none;color:#dc2626;font-size:1rem;cursor:pointer;padding:0.35rem;border-radius:9999px;transition:var(--transition-smooth);display:flex;align-items:center;justify-content:center;flex-shrink:0}.progress-bar-container{height:8px;width:100%;background-color:var(--color-dropzone-bg);border-radius:9999px;overflow:hidden}.progress-bar-fill{height:100%;width:0%;background-color:var(--color-brand-primary);transition:width 0.3s ease}.options-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;width:100%}.option-group{display:flex;flex-direction:column;gap:0.4rem}.option-group label{font-weight:600;font-size:0.9rem}.option-input,.option-select{padding:0.65rem 0.85rem;border-radius:var(--radius-md);border:1px solid var(--color-border);background-color:var(--color-bg-card);color:var(--color-text-primary);font-size:0.9rem;outline:none;width:100%}.cookie-banner{position:fixed;bottom:1rem;right:1rem;max-width:420px;background-color:rgba(255,255,255,0.95);backdrop-filter:blur(16px);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:1rem 1.25rem;box-shadow:var(--shadow-xl);z-index:100;display:flex;align-items:center;justify-content:space-between;gap:1rem;transition:transform 0.4s cubic-bezier(0.4,0,0.2,1),opacity 0.4s ease}[data-theme="dark"] .cookie-banner{background-color:rgba(15,23,42,0.95);border-color:rgba(51,65,85,0.8)}.cookie-banner a{color:var(--color-brand-primary);text-decoration:underline;font-weight:600}.cookie-banner.hidden{opacity:0;pointer-events:none !important;display:none !important;transform:translateY(20px)}.cookie-btn{background-color:var(--color-brand-primary);color:#fff;border:none;padding:0.55rem 1.15rem;border-radius:9999px;font-size:0.85rem;font-weight:700;cursor:pointer;white-space:nowrap}.site-footer{background-color:var(--color-bg-card);border-top:1px solid var(--color-border);padding:3rem 1.25rem 1.75rem;margin-top:auto;width:100%}.footer-container{max-width:1280px;margin:0 auto;display:flex;flex-wrap:wrap;justify-content:space-between;gap:2rem}.footer-col h3{margin-bottom:0.85rem;font-size:1.05rem;font-weight:700}.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:0.5rem}.footer-col a{text-decoration:none;color:var(--color-text-secondary);font-size:0.9rem;transition:var(--transition-smooth)}.footer-col a:hover{color:var(--color-brand-primary)}@media (max-width:900px){.tools-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}}@media (max-width:768px){.nav-links{display:none}.mobile-menu-btn{display:flex;align-items:center;justify-content:center}.footer-container{flex-direction:column;gap:2rem}.cookie-banner{left:0.75rem;right:0.75rem;bottom:0.75rem;max-width:none;flex-direction:column;align-items:flex-start}.cookie-btn{align-self:flex-end}}@media (max-width:480px){.header-container{padding:0.75rem 1rem}.privacy-badge{display:none}.tools-grid{grid-template-columns:1fr}.dropzone{padding:2rem 0.85rem}.processing-card{padding:1rem}.file-card-item{flex-direction:column;align-items:flex-start}.file-card-details{width:100%}}.article-container,.legal-container,.content-wrapper{max-width:900px;margin:2.5rem auto 4.5rem;padding:2.5rem;background-color:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-2xl);box-shadow:var(--shadow-lg);text-align:left;transition:var(--transition-smooth);width:100%}.article-container h1,.legal-container h1{font-size:clamp(1.85rem,5vw,2.75rem);font-weight:800;letter-spacing:-0.025em;margin-bottom:0.75rem;background:linear-gradient(135deg,var(--color-brand-primary),var(--color-brand-secondary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.25}.article-container>p:first-of-type,.legal-container>p:first-of-type{font-size:0.875rem;font-weight:700;color:var(--color-brand-primary);background-color:var(--color-brand-accent);display:inline-block;padding:0.35rem 0.9rem;border-radius:9999px;margin-bottom:1.75rem;border:1px solid rgba(0,102,255,0.2)}.article-container h2,.legal-container h2{font-size:clamp(1.35rem,3.5vw,1.75rem);font-weight:700;margin-top:2.25rem;margin-bottom:1rem;color:var(--color-text-primary);border-bottom:2px solid var(--color-dropzone-bg);padding-bottom:0.5rem;line-height:1.35}.article-container h3,.legal-container h3{font-size:clamp(1.1rem,2.5vw,1.35rem);font-weight:700;margin-top:1.75rem;margin-bottom:0.75rem;color:var(--color-text-primary)}.article-container p,.legal-container p{color:var(--color-text-secondary);font-size:1rem;line-height:1.85;margin-bottom:1.35rem;text-wrap:pretty}.article-container ul,.article-container ol,.legal-container ul,.legal-container ol{padding-left:1.5rem;margin-bottom:1.5rem;color:var(--color-text-secondary)}.article-container li,.legal-container li{font-size:0.975rem;line-height:1.8;margin-bottom:0.65rem}.article-container strong,.legal-container strong{color:var(--color-text-primary);font-weight:700}.article-container code,.legal-container code{background-color:var(--color-dropzone-bg);color:var(--color-brand-primary);padding:0.2rem 0.45rem;border-radius:var(--radius-sm);font-size:0.875rem;font-family:monospace}.article-container a,.legal-container a{color:var(--color-brand-primary);text-decoration:underline;font-weight:600;transition:var(--transition-smooth)}.article-container a:hover,.legal-container a:hover{color:var(--color-brand-secondary)}@media (max-width:768px){.article-container,.legal-container,.content-wrapper{margin:1.25rem 0.85rem 3rem;padding:1.5rem 1.15rem;border-radius:var(--radius-xl)}}