:root{--background:#f0f6ff;--background-alt:#e6f0fa;--foreground:#0f172a;--foreground-muted:#334155;--text-muted:#64748b;--primary:#0284c7;--primary-hover:#0369a1;--primary-dark:#075985;--primary-light:#e0f2fe;--primary-border:#bae6fd;--accent:#2563eb;--accent-light:#eff6ff;--accent-border:#bfdbfe;--surface:#fff;--surface-alt:#f8fafc;--surface-border:#e2e8f0;--surface-border-hover:#7dd3fc;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0284c712, 0 2px 4px -2px #0284c70d;--shadow-lg:0 10px 15px -3px #0284c71a, 0 4px 6px -4px #0284c70f;--shadow-hover:0 14px 25px -5px #0284c726, 0 8px 10px -6px #0284c714;--font-sans:"Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;--font-mono:"JetBrains Mono", "Fira Code", "Courier New", Courier, monospace}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background);color:var(--foreground);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;background-image:radial-gradient(at 15% 15%,#bae6fd73 0,#0000 60%),radial-gradient(at 85% 85%,#e0f2fe99 0,#0000 60%);background-attachment:fixed;min-height:100vh;line-height:1.6}a{color:var(--primary);text-decoration:none;transition:all .2s}a:hover{color:var(--primary-hover)}.container{max-width:1200px;margin:0 auto;padding:2.5rem 1.25rem}.container-narrow{max-width:860px;margin:0 auto;padding:2.5rem 1.25rem}.site-header{border-bottom:1px solid var(--accent-border);-webkit-backdrop-filter:blur(12px);z-index:50;background:#ffffffd9;position:sticky;top:0}.nav-inner{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:1rem 1.25rem;display:flex}.brand-logo{color:var(--foreground);align-items:center;gap:.6rem;font-size:1.25rem;font-weight:800;text-decoration:none;display:flex}.brand-logo:hover{color:var(--primary)}.brand-badge{text-transform:uppercase;background:var(--primary-light);color:var(--primary-dark);border:1px solid var(--primary-border);letter-spacing:.05em;border-radius:6px;padding:.2rem .5rem;font-size:.7rem;font-weight:700}.nav-links{gap:1.25rem;list-style:none;display:flex}.nav-link{color:var(--foreground-muted);font-size:.9rem;font-weight:500}.nav-link:hover{color:var(--primary)}.surface{background:var(--surface);border:1px solid var(--surface-border);box-shadow:var(--shadow-md);border-radius:16px;padding:2.25rem;transition:border-color .2s,box-shadow .2s}.hero-section{text-align:center;margin-bottom:3.5rem}.hero-pill{border:1px solid var(--primary-border);color:var(--primary-dark);box-shadow:var(--shadow-sm);background:#fff;border-radius:9999px;align-items:center;gap:.5rem;margin-bottom:1.25rem;padding:.35rem .85rem;font-size:.825rem;font-weight:600;display:inline-flex}.hero-title{letter-spacing:-.03em;color:var(--foreground);margin-bottom:1rem;font-size:2.75rem;font-weight:900;line-height:1.2}.hero-title-highlight{background:linear-gradient(135deg,#0284c7 0%,#2563eb 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.hero-subtitle{color:var(--text-muted);max-width:680px;margin:0 auto;font-size:1.15rem;line-height:1.6}.section-header{justify-content:space-between;align-items:baseline;margin-top:2.5rem;margin-bottom:1.25rem;display:flex}.section-title{color:var(--foreground);align-items:center;gap:.6rem;font-size:1.35rem;font-weight:700;display:flex}.section-badge{background:var(--primary-light);color:var(--primary-dark);border:1px solid var(--primary-border);border-radius:999px;padding:.15rem .6rem;font-size:.75rem;font-weight:600}.tools-grid{grid-template-columns:repeat(1,1fr);gap:1.25rem;margin-bottom:2rem;list-style:none;display:grid}@media (min-width:640px){.tools-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1024px){.tools-grid{grid-template-columns:repeat(4,1fr)}}.tool-card{background:var(--surface);border:1px solid var(--surface-border);box-shadow:var(--shadow-sm);border-radius:14px;flex-direction:column;justify-content:space-between;padding:1.35rem;text-decoration:none;transition:all .25s cubic-bezier(.16,1,.3,1);display:flex;position:relative;overflow:hidden}.tool-card:before{content:"";opacity:0;background:linear-gradient(90deg,#38bdf8,#0284c7);height:3px;transition:opacity .25s;position:absolute;top:0;left:0;right:0}.tool-card:hover{border-color:var(--surface-border-hover);box-shadow:var(--shadow-hover);transform:translateY(-4px)}.tool-card:hover:before{opacity:1}.tool-card-top{justify-content:space-between;align-items:center;margin-bottom:.75rem;display:flex}.tool-category-badge{text-transform:uppercase;letter-spacing:.06em;background:var(--primary-light);color:var(--primary-dark);border-radius:4px;padding:.2rem .5rem;font-size:.65rem;font-weight:700}.tool-tag{font-size:.7rem;font-family:var(--font-mono);color:var(--text-muted);background:var(--surface-alt);border:1px solid var(--surface-border);border-radius:4px;padding:.15rem .4rem}.tool-card-title{color:var(--foreground);margin-bottom:.4rem;font-size:1.05rem;font-weight:700;line-height:1.3}.tool-card-desc{color:var(--text-muted);flex-grow:1;margin-bottom:1.25rem;font-size:.825rem;line-height:1.45}.tool-card-footer{color:var(--primary);border-top:1px dashed var(--surface-border);justify-content:space-between;align-items:center;padding-top:.75rem;font-size:.8rem;font-weight:600;display:flex}.tool-card:hover .tool-card-footer{color:var(--primary-dark)}.tool-card-arrow{transition:transform .2s}.tool-card:hover .tool-card-arrow{transform:translate(4px)}.breadcrumbs{color:var(--text-muted);margin-bottom:1.5rem;font-size:.8rem}.breadcrumbs ol{flex-wrap:wrap;align-items:center;gap:.4rem;list-style:none;display:flex}.breadcrumbs li{align-items:center;display:flex}.breadcrumbs li:after{content:url("data:image/svg+xml;utf8,<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"%2394a3b8\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"9 18 15 12 9 6\"></polyline></svg>");align-items:center;margin-inline-start:.4rem;display:flex}.breadcrumbs li:last-child:after{content:"";display:none}.breadcrumbs a,.breadcrumbs li[aria-current=page]{border:1px solid var(--surface-border);color:var(--foreground-muted);box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(8px);background:#fff9;border-radius:999px;padding:.35rem .85rem;font-weight:600;transition:all .2s;display:inline-block}.breadcrumbs a:hover{color:var(--primary);border-color:var(--surface-border-hover);box-shadow:var(--shadow-md);background:#fff;transform:translateY(-1px)}.nav-item{position:relative}span.nav-link{align-items:center;gap:.25rem;display:inline-flex}span.nav-link:after{content:url("data:image/svg+xml;utf8,<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"></polyline></svg>");opacity:.6;margin-top:2px;transition:transform .2s;display:inline-flex}.nav-item:hover span.nav-link:after{opacity:1;transform:rotate(180deg)}.dropdown-menu{-webkit-backdrop-filter:blur(16px);z-index:100;opacity:0;visibility:hidden;background:#ffffffe6;border:1px solid #e2e8f0cc;border-radius:12px;min-width:190px;padding:.5rem;transition:opacity .2s cubic-bezier(.16,1,.3,1),transform .2s cubic-bezier(.16,1,.3,1),visibility .2s;position:absolute;top:100%;left:50%;transform:translate(-50%)translateY(10px)scale(.95);box-shadow:0 10px 25px -5px #0000001a,0 8px 10px -6px #0000001a}.dropdown-menu.lang-menu{min-width:120px}.dropdown-menu:before{content:"";height:15px;position:absolute;top:-15px;left:0;right:0}.dropdown-menu:after{content:"";background:#fff;border-top:1px solid #e2e8f0cc;border-left:1px solid #e2e8f0cc;width:10px;height:10px;position:absolute;top:-6px;left:50%;transform:translate(-50%)rotate(45deg)}.nav-item:hover .dropdown-menu{opacity:1;visibility:visible;transform:translate(-50%)translateY(5px)scale(1)}.dropdown-link{color:var(--foreground-muted);z-index:2;border-radius:8px;padding:.5rem .75rem;font-size:.85rem;font-weight:500;transition:background .2s,color .2s,transform .1s;display:block;position:relative}.dropdown-link:hover{background:var(--primary-light);color:var(--primary);transform:translate(2px)}.globe-icon{cursor:pointer;border-radius:50%;justify-content:center;align-items:center;padding:.25rem;font-size:1.25rem;transition:background .2s;display:flex}.globe-icon:hover{background:var(--surface-alt)}.converter-container{background:var(--surface-alt);border:1px solid var(--accent-border);border-radius:14px;margin:1.5rem 0;padding:1.75rem}.converter-input-group{margin-bottom:1.25rem}.converter-label{color:var(--foreground);margin-bottom:.5rem;font-size:.875rem;font-weight:600;display:block}input[type=text],input[type=time]{width:100%;color:var(--foreground);font-size:1.15rem;font-family:var(--font-mono);background-color:#fff;border:2px solid #cbd5e1;border-radius:10px;padding:.9rem 1.1rem;transition:all .2s}input[type=text]:focus,input[type=time]:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #0284c726}.chip-container{flex-wrap:wrap;gap:.5rem;margin-top:.75rem;display:flex}.chip-btn{border:1px solid var(--surface-border);color:var(--foreground-muted);font-size:.75rem;font-family:var(--font-mono);cursor:pointer;background:#fff;border-radius:6px;padding:.3rem .65rem;transition:all .15s}.chip-btn:hover{background:var(--primary-light);color:var(--primary-dark);border-color:var(--primary-border)}.result-box{border:2px solid var(--primary-border);text-align:center;box-shadow:var(--shadow-sm);background:#fff;border-radius:12px;margin-top:1.25rem;padding:1.75rem}.result-value{font-size:2.75rem;font-weight:800;font-family:var(--font-mono);color:var(--primary-dark);letter-spacing:-.02em;margin-bottom:.25rem}.result-label{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-size:.85rem;font-weight:600}.table-wrapper{border:1px solid var(--surface-border);box-shadow:var(--shadow-sm);border-radius:12px;margin-top:1.25rem;overflow-x:auto}.seo-table{border-collapse:collapse;text-align:left;width:100%;font-size:.9rem}.seo-table th{background:var(--surface-alt);color:var(--foreground);border-bottom:2px solid var(--surface-border);padding:.85rem 1rem;font-weight:700}.seo-table td{border-bottom:1px solid var(--surface-border);color:var(--foreground-muted);font-family:var(--font-mono);padding:.8rem 1rem}.seo-table tr:nth-child(2n){background:#fafcfe}.seo-table tr:hover{background:var(--primary-light)}.faq-list{flex-direction:column;gap:.75rem;margin-top:1.25rem;display:flex}.faq-item{background:var(--surface-alt);border:1px solid var(--surface-border);border-radius:10px;padding:1.25rem;transition:all .2s}.faq-item:hover{border-color:var(--accent-border)}.faq-question{color:var(--foreground);margin-bottom:.4rem;font-size:1.05rem;font-weight:700}.faq-answer{color:var(--foreground-muted);font-size:.925rem;line-height:1.6}.date-modified{color:var(--text-muted);border-top:1px solid var(--surface-border);text-align:center;margin-top:2.5rem;padding-top:1.25rem;font-size:.8rem}.site-footer{border-top:1px solid var(--surface-border);background:#fff;margin-top:5rem;padding:3.5rem 1.25rem 2rem}.footer-grid{text-align:left;grid-template-columns:1fr;gap:2.5rem;max-width:1200px;margin:0 auto 3rem;display:grid}@media (min-width:768px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}}.footer-col-title{color:var(--foreground);margin-bottom:1.25rem;font-size:.95rem;font-weight:700}.footer-links{flex-direction:column;gap:.75rem;list-style:none;display:flex}.footer-link{color:var(--text-muted);font-size:.85rem;transition:color .2s}.footer-link:hover{color:var(--primary)}.footer-bottom{border-top:1px solid var(--surface-border);text-align:center;flex-direction:column;align-items:center;gap:.5rem;max-width:1200px;margin:0 auto;padding-top:1.5rem;display:flex}@media (min-width:768px){.footer-bottom{text-align:left;flex-direction:row;justify-content:space-between}}.footer-tagline{color:var(--foreground-muted);font-size:.85rem;font-weight:600}.quick-ref-chip{border:1px solid var(--primary-light);text-align:center;cursor:pointer;background:#fffc;border-radius:8px;padding:.65rem .5rem;transition:all .2s cubic-bezier(.16,1,.3,1);box-shadow:0 1px 2px #0284c70d}.quick-ref-chip:hover{border-color:var(--primary);box-shadow:var(--shadow-md);background:#fff;transform:translateY(-2px)}
