.navbar{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--navbar-height);background-color:var(--color-surface);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-sm);transition:background-color var(--transition-slow),border-color var(--transition-slow)}.navbar-inner{display:flex;align-items:center;gap:var(--space-4);height:100%}.navbar-logo{display:flex;align-items:center;gap:var(--space-2);text-decoration:none;flex-shrink:0}.navbar-logo:hover{text-decoration:none}.navbar-logo-icon{font-size:1.25rem;line-height:1}.navbar-logo-text{font-size:var(--font-size-lg);font-weight:var(--font-weight-extrabold);color:var(--color-primary);letter-spacing:-.02em}.navbar-nav{display:none;align-items:center;gap:var(--space-1);margin-left:var(--space-4)}@media (min-width: 768px){.navbar-nav{display:flex}}.navbar-link{padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-secondary);transition:all var(--transition-fast);text-decoration:none}.navbar-link:hover{color:var(--color-primary);background-color:var(--color-primary-light);text-decoration:none}.navbar-link.active{color:var(--color-primary);font-weight:var(--font-weight-semibold)}.navbar-actions{display:flex;align-items:center;gap:var(--space-1);margin-left:auto}.navbar-icon-btn{padding:var(--space-2);color:var(--color-text-secondary);border-radius:var(--radius-md);flex-shrink:0;min-width:36px;min-height:36px}.navbar-icon-btn:hover{color:var(--color-text-primary);background-color:var(--color-border)}.navbar-mobile-toggle{display:flex}@media (min-width: 768px){.navbar-mobile-toggle{display:none}}.navbar-search-wrap{position:relative}.navbar-search-dropdown{position:absolute;top:calc(100% + var(--space-2));right:0;width:320px;max-width:calc(100vw - var(--space-8));background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);padding:var(--space-3);z-index:200;animation:fadeIn var(--transition-base) ease}.navbar-search-results{margin-top:var(--space-2);display:flex;flex-direction:column;gap:var(--space-1)}.navbar-search-result-item{display:flex;align-items:center;gap:var(--space-3);width:100%;padding:var(--space-2) var(--space-3);border:none;background:none;border-radius:var(--radius-md);cursor:pointer;color:var(--color-text-primary);text-align:left;transition:background-color var(--transition-fast)}.navbar-search-result-item:hover{background-color:var(--color-primary-light)}.navbar-search-result-item:focus-visible{outline:2px solid var(--color-primary);outline-offset:1px}.search-result-icon{font-size:1.25rem;flex-shrink:0}.search-result-name{display:block;font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold)}.search-result-cat{display:block;font-size:var(--font-size-xs);color:var(--color-text-muted)}.navbar-search-empty{padding:var(--space-3);text-align:center;font-size:var(--font-size-sm);color:var(--color-text-muted)}.navbar-mobile-menu{position:fixed;top:var(--navbar-height);left:0;right:0;bottom:0;background-color:var(--color-surface);overflow-y:auto;z-index:99;border-top:1px solid var(--color-border);animation:slideDown var(--transition-base) ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.navbar-mobile-nav{display:flex;flex-direction:column;padding-block:var(--space-4);gap:var(--space-1)}.navbar-mobile-link{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-2);border-radius:var(--radius-md);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);color:var(--color-text-primary);text-decoration:none;transition:background-color var(--transition-fast)}.navbar-mobile-link:hover,.navbar-mobile-link.active{background-color:var(--color-primary-light);color:var(--color-primary);text-decoration:none}.navbar-mobile-tool-link{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.navbar-mobile-divider{height:1px;background-color:var(--color-border);margin-block:var(--space-2)}.navbar-mobile-section-label{font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.08em;padding:var(--space-2) var(--space-2)}@media (min-width: 768px){.navbar-mobile-menu{display:none}}.footer{background-color:var(--color-surface);border-top:1px solid var(--color-border);margin-top:auto}.footer-inner{display:grid;grid-template-columns:1fr;gap:var(--space-8);padding-block:var(--space-10)}@media (min-width: 640px){.footer-inner{grid-template-columns:1fr 1fr}}@media (min-width: 1024px){.footer-inner{grid-template-columns:2fr 1fr 1fr}}.footer-brand{display:flex;flex-direction:column;gap:var(--space-3)}.footer-logo{display:inline-flex;align-items:center;gap:var(--space-2);font-size:var(--font-size-lg);font-weight:var(--font-weight-extrabold);color:var(--color-primary);text-decoration:none}.footer-logo:hover{text-decoration:none}.footer-tagline{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-text-secondary);font-style:italic}.footer-desc{font-size:var(--font-size-sm);color:var(--color-text-muted);line-height:var(--line-height-relaxed);max-width:300px}.footer-links-group{display:flex;flex-direction:column;gap:var(--space-3)}.footer-links-title{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.08em}.footer-links{display:flex;flex-direction:column;gap:var(--space-2)}.footer-link{display:inline-flex;align-items:center;gap:var(--space-2);font-size:var(--font-size-sm);color:var(--color-text-secondary);text-decoration:none;transition:color var(--transition-fast)}.footer-link:hover{color:var(--color-primary);text-decoration:none}.footer-bottom{border-top:1px solid var(--color-border);padding-block:var(--space-4)}.footer-bottom-inner{display:flex;flex-direction:column;align-items:center;gap:var(--space-1);text-align:center}@media (min-width: 640px){.footer-bottom-inner{flex-direction:row;justify-content:space-between;text-align:left}}.footer-copy,.footer-note{font-size:var(--font-size-xs);color:var(--color-text-muted)}.tool-card{display:flex;flex-direction:column;gap:var(--space-4);background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-6);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-base),transform var(--transition-base),border-color var(--transition-base)}.tool-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:var(--color-primary)}.tool-card-icon{font-size:2rem;line-height:1;width:52px;height:52px;display:flex;align-items:center;justify-content:center;background-color:var(--color-primary-light);border-radius:var(--radius-lg)}.tool-card-body{flex:1;display:flex;flex-direction:column;gap:var(--space-2)}.tool-card-meta{display:flex;align-items:center;gap:var(--space-2)}.tool-card-name{font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);color:var(--color-text-primary);line-height:var(--line-height-tight)}.tool-card-desc{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:var(--line-height-relaxed)}.tool-card-cta{align-self:flex-start}.ad-placeholder{width:100%;min-height:90px;display:flex;align-items:center;justify-content:center;background-color:var(--color-bg);border:1px dashed var(--color-border);border-radius:var(--radius-md);margin-block:var(--space-6)}.ad-placeholder-inner{text-align:center;padding:var(--space-4)}.ad-placeholder-label{font-size:var(--font-size-xs);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.08em}.hero{background:linear-gradient(135deg,var(--color-primary-light) 0%,var(--color-bg) 60%);padding-block:var(--space-16) var(--space-20);border-bottom:1px solid var(--color-border)}.hero-inner{display:flex;justify-content:center}.hero-content{max-width:680px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:var(--space-5)}.hero-badge{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);background-color:var(--color-primary-light);border:1px solid rgba(var(--color-primary-rgb),.2);border-radius:var(--radius-full);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-primary)}.hero-title{font-size:clamp(2rem,5vw,3.5rem);font-weight:var(--font-weight-extrabold);line-height:var(--line-height-tight);letter-spacing:-.03em}.hero-brand{color:var(--color-primary)}.hero-tagline{color:var(--color-text-primary)}.hero-desc{font-size:var(--font-size-lg);color:var(--color-text-secondary);line-height:var(--line-height-relaxed);max-width:520px}.hero-search{position:relative;width:100%;max-width:500px}.hero-search-icon{position:absolute;left:var(--space-4);top:50%;transform:translateY(-50%);color:var(--color-text-muted);pointer-events:none;display:flex;align-items:center}.hero-search-input{width:100%;padding:.875rem var(--space-4) .875rem 2.75rem;border:1.5px solid var(--color-border-strong);border-radius:var(--radius-full);background-color:var(--color-surface);color:var(--color-text-primary);font-size:var(--font-size-base);box-shadow:var(--shadow-md);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.hero-search-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 4px rgba(var(--color-primary-rgb),.12),var(--shadow-md)}.hero-search-input::placeholder{color:var(--color-text-muted)}.hero-stats{display:flex;align-items:center;gap:var(--space-3);font-size:var(--font-size-sm);color:var(--color-text-secondary)}.hero-stats strong{color:var(--color-primary);font-weight:var(--font-weight-bold)}.hero-stats-dot{color:var(--color-text-muted)}.tools-section{padding-top:var(--space-12)}.tools-header{display:flex;flex-direction:column;gap:var(--space-4);margin-bottom:var(--space-8)}@media (min-width: 640px){.tools-header{flex-direction:row;align-items:center;justify-content:space-between}}.category-filter{display:flex;flex-wrap:wrap;gap:var(--space-2)}.category-btn{padding:var(--space-2) var(--space-3);border-radius:var(--radius-full);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);border:1.5px solid var(--color-border-strong);background-color:var(--color-surface);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-fast)}.category-btn:hover{border-color:var(--color-primary);color:var(--color-primary);background-color:var(--color-primary-light)}.category-btn.active{background-color:var(--color-primary);border-color:var(--color-primary);color:#fff}.category-btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.tools-empty{text-align:center;padding:var(--space-16) var(--space-4);display:flex;flex-direction:column;align-items:center;gap:var(--space-2)}.tools-empty-icon{font-size:3rem}.tools-empty-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary)}.tools-empty-sub{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.why-section{background-color:var(--color-surface);border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}.why-header{margin-bottom:var(--space-10);display:flex;flex-direction:column;gap:var(--space-3)}.why-card{position:relative;display:flex;flex-direction:column;gap:var(--space-3);padding:var(--space-6);background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-xl);transition:box-shadow var(--transition-base),transform var(--transition-base)}.why-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.why-card-icon{font-size:1.75rem;line-height:1}.why-card-check{position:absolute;top:var(--space-4);right:var(--space-4);color:var(--color-success);background-color:var(--color-success-light);border-radius:50%;width:28px;height:28px;display:flex;align-items:center;justify-content:center}.why-card-title{font-size:var(--font-size-base);font-weight:var(--font-weight-bold)}.why-card-desc{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:var(--line-height-relaxed)}.cta-section{padding-block:var(--space-16)}.cta-inner{display:flex;flex-direction:column;align-items:center;text-align:center;gap:var(--space-4)}.cta-title{font-size:var(--font-size-3xl);font-weight:var(--font-weight-extrabold);letter-spacing:-.02em}.cta-desc{font-size:var(--font-size-lg);color:var(--color-text-secondary);max-width:480px;line-height:var(--line-height-relaxed)}.breadcrumb{margin-bottom:var(--space-4)}.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-1)}.breadcrumb-item{display:flex;align-items:center;gap:var(--space-1);font-size:var(--font-size-sm)}.breadcrumb-link{color:var(--color-text-secondary);text-decoration:none;transition:color var(--transition-fast)}.breadcrumb-link:hover{color:var(--color-primary);text-decoration:underline}.breadcrumb-sep{color:var(--color-text-muted)}.breadcrumb-current{color:var(--color-text-primary);font-weight:var(--font-weight-medium)}.notfound-page{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - var(--navbar-height) - 200px);padding:var(--space-8)}.notfound-content{text-align:center;display:flex;flex-direction:column;align-items:center;gap:var(--space-4);max-width:480px}.notfound-emoji{font-size:4rem;line-height:1}.notfound-title{font-size:6rem;font-weight:var(--font-weight-extrabold);color:var(--color-primary);line-height:1;letter-spacing:-.04em}.notfound-subtitle{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary)}.notfound-desc{font-size:var(--font-size-base);color:var(--color-text-secondary);line-height:var(--line-height-relaxed)}:root{--color-primary: #4f46e5;--color-primary-hover: #4338ca;--color-primary-light: #eef2ff;--color-primary-rgb: 79, 70, 229;--color-accent: #7c3aed;--color-accent-light: #f5f3ff;--color-bg: #f9fafb;--color-surface: #ffffff;--color-surface-raised: #ffffff;--color-border: #e5e7eb;--color-border-strong: #d1d5db;--color-text-primary: #111827;--color-text-secondary: #6b7280;--color-text-muted: #9ca3af;--color-text-on-primary: #ffffff;--color-success: #059669;--color-success-light: #ecfdf5;--color-error: #dc2626;--color-error-light: #fef2f2;--color-warning: #d97706;--color-warning-light: #fffbeb;--color-info: #2563eb;--color-info-light: #eff6ff;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-size-5xl: 3rem;--font-weight-regular: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--font-weight-extrabold: 800;--line-height-tight: 1.25;--line-height-snug: 1.375;--line-height-normal: 1.5;--line-height-relaxed: 1.625;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -4px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .08), 0 8px 10px -6px rgba(0, 0, 0, .04);--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--container-max: 1200px;--navbar-height: 64px}[data-theme=dark]{--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-primary-light: rgba(59, 130, 246, .15);--color-primary-rgb: 59, 130, 246;--color-accent: #06b6d4;--color-accent-light: rgba(6, 182, 212, .15);--color-bg: #0f172a;--color-surface: #1e293b;--color-surface-raised: #263347;--color-border: #334155;--color-border-strong: #475569;--color-text-primary: #f1f5f9;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--color-success-light: rgba(5, 150, 105, .15);--color-error-light: rgba(220, 38, 38, .15);--color-warning-light: rgba(217, 119, 6, .15);--color-info-light: rgba(37, 99, 235, .15);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4), 0 2px 4px -2px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5), 0 4px 6px -4px rgba(0, 0, 0, .4)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--color-text-primary);background-color:var(--color-bg);transition:background-color var(--transition-slow),color var(--transition-slow);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img,video{max-width:100%;height:auto;display:block}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font-family:inherit;font-size:inherit}ul,ol{list-style:none}h1,h2,h3,h4,h5,h6{line-height:var(--line-height-tight);font-weight:var(--font-weight-bold);color:var(--color-text-primary)}.container{width:100%;max-width:var(--container-max);margin-inline:auto;padding-inline:var(--space-4)}@media (min-width: 768px){.container{padding-inline:var(--space-6)}}@media (min-width: 1024px){.container{padding-inline:var(--space-8)}}.page-wrapper{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;padding-top:var(--navbar-height)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:.625rem var(--space-5);border-radius:var(--radius-md);font-weight:var(--font-weight-semibold);font-size:var(--font-size-sm);cursor:pointer;border:1.5px solid transparent;transition:all var(--transition-base);text-decoration:none;line-height:1;white-space:nowrap;-webkit-user-select:none;user-select:none}.btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--color-primary);color:var(--color-text-on-primary);border-color:var(--color-primary)}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-hover);border-color:var(--color-primary-hover);text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background-color:var(--color-surface);color:var(--color-text-primary);border-color:var(--color-border-strong)}.btn-secondary:hover:not(:disabled){background-color:var(--color-bg);border-color:var(--color-primary);color:var(--color-primary);text-decoration:none}.btn-ghost{background-color:transparent;color:var(--color-text-secondary);border-color:transparent}.btn-ghost:hover:not(:disabled){background-color:var(--color-border);color:var(--color-text-primary);text-decoration:none}.btn-danger{background-color:var(--color-error-light);color:var(--color-error);border-color:var(--color-error)}.btn-danger:hover:not(:disabled){background-color:var(--color-error);color:#fff;text-decoration:none}.btn-sm{padding:var(--space-2) var(--space-3);font-size:var(--font-size-xs)}.btn-lg{padding:.875rem var(--space-8);font-size:var(--font-size-base)}.btn-full{width:100%}.form-group{display:flex;flex-direction:column;gap:var(--space-2)}.form-label{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.form-input,.form-select,.form-textarea{width:100%;padding:.625rem var(--space-3);border:1.5px solid var(--color-border-strong);border-radius:var(--radius-md);background-color:var(--color-surface);color:var(--color-text-primary);font-size:var(--font-size-sm);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(var(--color-primary-rgb),.15)}.form-input::placeholder{color:var(--color-text-muted)}.form-textarea{resize:vertical;min-height:100px}.form-range{width:100%;height:6px;-moz-appearance:none;appearance:none;-webkit-appearance:none;background:var(--color-border);border-radius:var(--radius-full);cursor:pointer}.form-range::-webkit-slider-thumb{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--color-primary);cursor:pointer;box-shadow:var(--shadow-sm)}.card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-6);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-base),transform var(--transition-base)}.card:hover,.card-elevated{box-shadow:var(--shadow-md)}.alert{display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-4);border-radius:var(--radius-md);font-size:var(--font-size-sm);line-height:var(--line-height-relaxed);border:1px solid transparent}.alert-error{background-color:var(--color-error-light);color:var(--color-error);border-color:var(--color-error)}.alert-success{background-color:var(--color-success-light);color:var(--color-success);border-color:var(--color-success)}.alert-info{background-color:var(--color-info-light);color:var(--color-info);border-color:var(--color-info)}.alert-warning{background-color:var(--color-warning-light);color:var(--color-warning);border-color:var(--color-warning)}.badge{display:inline-flex;align-items:center;padding:2px var(--space-2);border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);line-height:1.5}.badge-primary{background-color:var(--color-primary-light);color:var(--color-primary)}.badge-accent{background-color:var(--color-accent-light);color:var(--color-accent)}.upload-zone{border:2px dashed var(--color-border-strong);border-radius:var(--radius-xl);padding:var(--space-12) var(--space-8);text-align:center;cursor:pointer;transition:all var(--transition-base);background-color:var(--color-bg);display:flex;flex-direction:column;align-items:center;gap:var(--space-3)}.upload-zone:hover,.upload-zone.drag-over{border-color:var(--color-primary);background-color:var(--color-primary-light);transform:scale(1.005)}.upload-zone.drag-over{box-shadow:0 0 0 4px rgba(var(--color-primary-rgb),.1)}.upload-zone-icon{width:48px;height:48px;color:var(--color-text-muted)}.upload-zone:hover .upload-zone-icon,.upload-zone.drag-over .upload-zone-icon{color:var(--color-primary)}.upload-zone-title{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.upload-zone-sub{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.progress-bar-wrap{width:100%;height:8px;background:var(--color-border);border-radius:var(--radius-full);overflow:hidden}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--color-primary),var(--color-accent));border-radius:var(--radius-full);transition:width var(--transition-slow)}.section{padding-block:var(--space-16)}.section-sm{padding-block:var(--space-10)}.section-title{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);margin-bottom:var(--space-2)}.section-subtitle{font-size:var(--font-size-base);color:var(--color-text-secondary);max-width:600px;line-height:var(--line-height-relaxed)}.faq-item{border-bottom:1px solid var(--color-border);padding-block:var(--space-4)}.faq-question{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:var(--space-4);-webkit-user-select:none;user-select:none}.faq-question:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:var(--radius-sm)}.faq-answer{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:var(--line-height-relaxed);margin-top:var(--space-3)}.faq-chevron{width:18px;height:18px;flex-shrink:0;color:var(--color-text-muted);transition:transform var(--transition-base)}.faq-chevron.open{transform:rotate(180deg)}.divider{height:1px;background:var(--color-border);margin-block:var(--space-6)}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton{background:linear-gradient(90deg,var(--color-border) 25%,var(--color-surface) 50%,var(--color-border) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-md)}.grid-2,.grid-3{display:grid;grid-template-columns:1fr;gap:var(--space-6)}.grid-4{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-4)}@media (min-width: 640px){.grid-2{grid-template-columns:1fr 1fr}.grid-4{grid-template-columns:repeat(2,1fr)}}@media (min-width: 768px){.grid-3{grid-template-columns:1fr 1fr 1fr}}@media (min-width: 1024px){.grid-4{grid-template-columns:repeat(4,1fr)}}.text-center{text-align:center}.text-left{text-align:left}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-2{gap:var(--space-2)}.gap-3{gap:var(--space-3)}.gap-4{gap:var(--space-4)}.gap-6{gap:var(--space-6)}.w-full{width:100%}.mt-2{margin-top:var(--space-2)}.mt-4{margin-top:var(--space-4)}.mt-6{margin-top:var(--space-6)}.mb-2{margin-bottom:var(--space-2)}.mb-4{margin-bottom:var(--space-4)}.mb-6{margin-bottom:var(--space-6)}.font-bold{font-weight:var(--font-weight-bold)}.font-semibold{font-weight:var(--font-weight-semibold)}.text-sm{font-size:var(--font-size-sm)}.text-xs{font-size:var(--font-size-xs)}.text-muted{color:var(--color-text-secondary)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:20px;height:20px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .7s linear infinite}.tool-page{padding-block:var(--space-8) var(--space-16)}.tool-page-header{margin-bottom:var(--space-8)}.tool-page-title{font-size:var(--font-size-3xl);font-weight:var(--font-weight-extrabold);margin-bottom:var(--space-2)}.tool-page-desc{font-size:var(--font-size-base);color:var(--color-text-secondary);line-height:var(--line-height-relaxed)}.privacy-note{display:flex;align-items:center;gap:var(--space-2);font-size:var(--font-size-xs);color:var(--color-success);background-color:var(--color-success-light);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);margin-top:var(--space-3);width:fit-content}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn var(--transition-slow) ease both}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.slide-up{animation:slideUp var(--transition-slow) ease both}