@font-face{font-family:'Inter';font-style:normal;font-weight:100 900;font-display:swap;src:url('/static/fonts/inter-latin.woff2') format('woff2')}@font-face{font-family:'Space Mono';font-style:normal;font-weight:700;font-display:swap;src:url('/static/fonts/space-mono-700-latin.woff2') format('woff2')}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}:root{--purple:#7C3AED;--purple-dark:#5B21B6;--purple-light:#EDE9FE;--purple-50:#F5F3FF;--blue:#3B82F6;--blue-light:#DBEAFE;--yellow:#FBBF24;--yellow-light:#FEF3C7;--green:#10B981;--green-light:#D1FAE5;--red:#EF4444;--red-light:#FEE2E2;--gray-50:#F9FAFB;--gray-100:#F3F4F6;--gray-200:#E5E7EB;--gray-300:#D1D5DB;--gray-400:#6B7280;--gray-500:#6B7280;--gray-600:#4B5563;--gray-700:#374151;--gray-800:#1F2937;--gray-900:#111827;--font-sans:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;--font-mono:'Space Mono',monospace;--container-max:1120px;--radius:12px;--radius-sm:8px;--radius-lg:16px}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-sans);color:var(--gray-800);background:var(--purple-50);line-height:1.6;min-height:100vh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased}.container{max-width:var(--container-max);margin:0 auto;padding:0 20px}.main{flex:1}a{color:var(--purple);text-decoration:none}a:hover{text-decoration:underline}.skip-link{position:absolute;top:-48px;left:8px;background:var(--purple);color:#fff;padding:10px 18px;z-index:1000;font-weight:600;border-radius:0 0 6px 6px;transition:top 0.15s ease}.skip-link:focus{top:0;outline:2px solid #fff;outline-offset:-4px;text-decoration:none}.header{background:#fff;border-bottom:2px solid var(--purple-light);position:sticky;top:0;z-index:100}.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px}.logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--gray-900);font-size:1.25rem}.logo:hover{text-decoration:none}.logo-mark{display:block;flex-shrink:0}.logo-text strong{color:var(--purple)}.header-nav{display:flex;align-items:center;gap:4px}.header-nav a,.nav-dropdown-btn{padding:8px 14px;border-radius:var(--radius-sm);color:var(--gray-600);font-size:0.875rem;font-weight:500;transition:all 0.15s;text-decoration:none;border:none;background:none;cursor:pointer;font-family:var(--font-sans)}.header-nav a:hover,.nav-dropdown-btn:hover{background:var(--purple-light);color:var(--purple);text-decoration:none}.header-nav a.active{background:var(--purple);color:#fff;text-decoration:none}.nav-dropdown{position:relative}.nav-dropdown-btn{display:flex;align-items:center;gap:4px}.nav-dropdown-menu{display:none;position:absolute;top:100%;right:0;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);box-shadow:0 10px 40px rgba(0,0,0,0.1);min-width:200px;max-height:calc(100vh - 100px);overflow-y:auto;padding:8px;z-index:200}.nav-dropdown.open .nav-dropdown-menu{display:block}.nav-dropdown-menu a{display:block;padding:8px 12px;border-radius:var(--radius-sm);color:var(--gray-700);font-size:0.875rem}.nav-dropdown-menu a:hover{background:var(--purple-light);color:var(--purple);text-decoration:none}.nav-dropdown-menu .see-all{border-top:1px solid var(--gray-200);margin-top:4px;padding-top:8px;color:var(--purple);font-weight:600}.nav-dropdown:not(.mega) .nav-dropdown-menu{white-space:nowrap}.nav-dropdown.mega .nav-dropdown-menu{min-width:520px;max-width:90vw;padding:12px}.mega-menu-search{position:sticky;top:-12px;margin:-12px -12px 8px;padding:12px 16px 8px;background:#fff;border-bottom:1px solid var(--gray-200);z-index:1}.mega-menu-filter{width:100%;padding:8px 12px;font-size:0.875rem;border:1px solid var(--gray-200);border-radius:var(--radius-sm);background:#F9FAFB;color:var(--gray-900);font-family:var(--font-sans)}.mega-menu-filter:focus{outline:2px solid var(--purple);outline-offset:1px;border-color:var(--purple)}.mega-menu-list{display:grid;grid-template-columns:1fr 1fr;gap:2px 8px}.mega-menu-list a{display:flex;flex-direction:column;gap:2px;padding:8px 10px;border-radius:var(--radius-sm)}.mega-menu-list a .uni-short{font-weight:600;font-size:0.875rem;color:var(--gray-900)}.mega-menu-list a .uni-state{font-size:0.75rem;color:var(--gray-500)}.mega-menu-list a:hover .uni-short,.mega-menu-list a:hover .uni-state{color:var(--purple)}.mega-menu-list a[hidden]{display:none}.mega-menu-empty{padding:12px 4px;font-size:0.8125rem;color:var(--gray-500);margin:0}.nav-toggle{display:none;border:none;background:none;cursor:pointer;padding:8px;color:var(--gray-700)}.hero{text-align:center;padding:60px 20px 40px}.hero h1{font-size:2.5rem;font-weight:800;color:var(--gray-900);line-height:1.2;margin-bottom:16px}.hero h1 .highlight{background:linear-gradient(135deg,var(--purple),var(--blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero p{font-size:1.125rem;color:var(--gray-500);max-width:600px;margin:0 auto}.hero-cta{display:inline-flex;align-items:center;gap:10px;margin-top:28px;padding:14px 28px;background:linear-gradient(135deg,var(--purple),var(--blue));color:#fff;border-radius:var(--radius);font-size:1.0625rem;font-weight:700;box-shadow:0 4px 14px rgba(124,58,237,0.32);transition:transform 0.15s,box-shadow 0.15s}.hero-cta:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(124,58,237,0.42);text-decoration:none;color:#fff}.hero-cta:focus-visible{outline:3px solid var(--purple);outline-offset:3px}.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;padding:0 20px 60px;max-width:var(--container-max);margin:0 auto}.tool-card{background:#fff;border-radius:var(--radius-lg);padding:28px;border:2px solid var(--gray-100);transition:all 0.2s;text-decoration:none;color:inherit;display:block}.tool-card:hover{border-color:var(--purple);box-shadow:0 8px 30px rgba(124,58,237,0.12);transform:translateY(-2px);text-decoration:none}.tool-card-icon{width:48px;height:48px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:16px}.tool-card-icon.purple{background:var(--purple-light)}.tool-card-icon.blue{background:var(--blue-light)}.tool-card-icon.yellow{background:var(--yellow-light)}.tool-card-icon.green{background:var(--green-light)}.tool-card h3{font-size:1.125rem;font-weight:700;color:var(--gray-900);margin-bottom:8px}.tool-card p{font-size:0.875rem;color:var(--gray-500);margin-bottom:16px}.tool-card .cta{font-size:0.875rem;font-weight:600;color:var(--purple)}.uni-section{padding:40px 20px 60px;max-width:var(--container-max);margin:0 auto}.uni-section h2{font-size:1.5rem;font-weight:700;margin-bottom:24px;text-align:center}.uni-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.uni-chip{display:flex;align-items:center;gap:10px;padding:12px 16px;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-sm);font-size:0.875rem;font-weight:500;color:var(--gray-700);text-decoration:none;transition:all 0.15s}.uni-chip:hover{border-color:var(--purple);background:var(--purple-light);color:var(--purple);text-decoration:none}.uni-chip .state{color:var(--gray-400);font-size:0.75rem;font-weight:400;margin-left:auto}.calc-page{max-width:var(--container-max);margin:0 auto;padding:32px 20px 60px}.calc-page .breadcrumbs{font-size:0.8125rem;color:var(--gray-400);margin-bottom:20px}.calc-page .breadcrumbs a{color:var(--gray-500)}.calc-page .breadcrumbs a:hover{color:var(--purple)}.calc-page h1{font-size:1.75rem;font-weight:800;color:var(--gray-900);margin-bottom:8px}.calc-page .subtitle{color:var(--gray-500);margin-bottom:32px;font-size:1rem}.calc-layout{display:grid;grid-template-columns:1fr 300px;gap:32px;align-items:start}.calc-card{background:#fff;border-radius:var(--radius-lg);padding:32px;border:2px solid var(--gray-100);box-shadow:0 4px 20px rgba(0,0,0,0.04)}.calc-card label{display:block;font-size:0.875rem;font-weight:600;color:var(--gray-700);margin-bottom:6px}.calc-card select,.calc-card input[type="number"],.calc-card input[type="text"]{width:100%;padding:12px 16px;border:2px solid var(--gray-200);border-radius:var(--radius-sm);font-size:1rem;font-family:var(--font-sans);color:var(--gray-800);background:#fff;transition:border-color 0.15s;-moz-appearance:textfield}.calc-card input::-webkit-outer-spin-button,.calc-card input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.calc-card select:focus,.calc-card input:focus{outline:none;border-color:var(--purple);box-shadow:0 0 0 3px rgba(124,58,237,0.1)}.calc-card .field-group{margin-bottom:20px}.calc-card .field-hint{font-size:0.75rem;color:var(--gray-400);margin-top:4px}.result-box{background:linear-gradient(135deg,var(--purple-light),var(--blue-light));border-radius:var(--radius);padding:28px;text-align:center;margin-top:24px;min-height:120px;display:flex;flex-direction:column;align-items:center;justify-content:center}.result-box.empty{background:var(--gray-50);border:2px dashed var(--gray-200);position:relative}.result-box.empty::before{content:"";display:block;width:56px;height:56px;margin:0 auto 8px;opacity:0.55;background-image:url("data:image/svg+xml;utf8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2056%2056%27%20fill%3D%27none%27%20stroke%3D%27%237C3AED%27%20stroke-width%3D%272%27%20stroke-linecap%3D%27round%27%20stroke-linejoin%3D%27round%27%3E%3Crect%20x%3D%2710%27%20y%3D%276%27%20width%3D%2736%27%20height%3D%2744%27%20rx%3D%276%27%2F%3E%3Crect%20x%3D%2715%27%20y%3D%2711%27%20width%3D%2726%27%20height%3D%279%27%20rx%3D%272%27%20fill%3D%27%23EDE9FE%27%20stroke%3D%27%237C3AED%27%2F%3E%3Ccircle%20cx%3D%2718%27%20cy%3D%2728%27%20r%3D%272%27%2F%3E%3Ccircle%20cx%3D%2728%27%20cy%3D%2728%27%20r%3D%272%27%2F%3E%3Ccircle%20cx%3D%2738%27%20cy%3D%2728%27%20r%3D%272%27%2F%3E%3Ccircle%20cx%3D%2718%27%20cy%3D%2738%27%20r%3D%272%27%2F%3E%3Ccircle%20cx%3D%2728%27%20cy%3D%2738%27%20r%3D%272%27%2F%3E%3Crect%20x%3D%2734%27%20y%3D%2734%27%20width%3D%278%27%20height%3D%2710%27%20rx%3D%272%27%20fill%3D%27%237C3AED%27%20stroke%3D%27%237C3AED%27%2F%3E%3C%2Fsvg%3E");background-repeat:no-repeat;background-position:center}.result-box .result-label{font-size:0.8125rem;font-weight:600;color:var(--gray-500);text-transform:uppercase;letter-spacing:0.05em;margin-bottom:4px}.result-box .result-value{font-family:var(--font-mono);font-size:3rem;font-weight:700;color:var(--purple-dark);line-height:1.1}.result-box .result-formula{font-size:0.8125rem;color:var(--gray-500);margin-top:8px}.result-box .result-grade{display:inline-block;padding:4px 12px;border-radius:20px;font-size:0.8125rem;font-weight:600;margin-top:8px}.result-grade.distinction{background:var(--green-light);color:#065F46}.result-grade.first-class{background:var(--blue-light);color:#1E40AF}.result-grade.second-class{background:var(--yellow-light);color:#92400E}.result-grade.pass{background:var(--gray-100);color:var(--gray-600)}.result-grade.fail{background:var(--red-light);color:#991B1B}.result-box .result-grade-caveat{display:block;font-size:0.75rem;color:var(--gray-600);margin-top:6px;max-width:320px;line-height:1.4}.action-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.share-btn,.copy-btn,.telegram-btn,.more-share-btn{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border:1px solid transparent;border-radius:var(--radius-sm);font-size:0.875rem;font-weight:600;line-height:1.2;cursor:pointer;transition:background 0.15s,color 0.15s,border-color 0.15s;font-family:var(--font-sans);appearance:none;-webkit-appearance:none}.share-btn:focus-visible,.copy-btn:focus-visible,.telegram-btn:focus-visible,.more-share-btn:focus-visible{outline:2px solid var(--purple);outline-offset:2px}.share-btn{background:#25D366;color:#fff}.share-btn:hover{background:#20BD5A}.telegram-btn{background:#0088CC;color:#fff}.telegram-btn:hover{background:#0077B5}.copy-btn{background:var(--purple-light,#EDE9FE);color:var(--purple-dark,#5B21B6)}.copy-btn:hover{background:#DDD6FE}.copy-btn.copied{background:var(--purple,#7C3AED);color:#fff}.more-share-btn{background:var(--gray-100,#F3F4F6);color:var(--gray-700,#374151);border-color:var(--gray-200,#E5E7EB)}.more-share-btn:hover{background:var(--gray-200,#E5E7EB)}.filter-tag{padding:6px 14px;border-radius:20px;border:1.5px solid var(--gray-200);background:#fff;font-size:0.8125rem;font-weight:600;color:var(--gray-500);cursor:pointer;font-family:var(--font-sans);transition:all 0.15s}.filter-tag:hover{border-color:var(--purple);color:var(--purple)}.filter-tag.active{background:var(--purple);color:#fff;border-color:var(--purple)}.sidebar{display:flex;flex-direction:column;gap:20px}.sidebar-card{background:#fff;border-radius:var(--radius);padding:20px;border:1px solid var(--gray-200)}.sidebar-card h3{font-size:0.9375rem;font-weight:700;margin-bottom:12px;color:var(--gray-900)}.sidebar-card a{display:block;padding:6px 0;font-size:0.8125rem;color:var(--gray-600)}.sidebar-card a:hover{color:var(--purple)}.ad-zone{min-height:250px;background:var(--gray-50);border:1px dashed var(--gray-200);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:0.75rem;color:var(--gray-300)}.verified-badge{display:inline-block;padding:2px 8px;background:var(--green-light);color:#065F46;border-radius:10px;font-weight:600;font-size:0.6875rem;margin-left:4px;vertical-align:middle;white-space:nowrap}.opener-disclosure{margin-top:32px;padding:14px 18px;border-left:3px solid var(--gray-200);background:var(--gray-50);color:var(--gray-600);font-size:0.8125rem;font-style:italic;line-height:1.6;border-radius:0 var(--radius-sm) var(--radius-sm) 0}.grade-table{width:100%;border-collapse:collapse;margin:24px 0;font-size:0.875rem}.grade-table th{background:var(--purple-light);color:var(--purple-dark);font-weight:600;padding:10px 14px;text-align:left}.grade-table td{padding:10px 14px;border-bottom:1px solid var(--gray-100);color:var(--gray-700)}.grade-table tr:hover td{background:var(--gray-50)}.content-section{max-width:800px;margin:40px auto;padding:0 20px}.content-section h2{font-size:1.375rem;font-weight:700;color:var(--gray-900);margin-bottom:16px}.content-section p{color:var(--gray-600);margin-bottom:16px;line-height:1.7}.faq-section{max-width:800px;margin:40px auto;padding:0 20px}.faq-section h2{font-size:1.375rem;font-weight:700;margin-bottom:20px}.faq-item{border-bottom:1px solid var(--gray-200);padding:16px 0}.faq-item summary{font-weight:600;color:var(--gray-800);cursor:pointer;font-size:0.9375rem;list-style:none;display:flex;justify-content:space-between;align-items:center}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:"+";font-size:1.25rem;color:var(--purple)}.faq-item[open] summary::after{content:"−"}.faq-item p{margin-top:12px;color:var(--gray-600);font-size:0.875rem;line-height:1.7}.footer{background:var(--gray-900);color:var(--gray-300);padding:48px 0 24px;margin-top:60px}.footer-inner{display:grid;grid-template-columns:1fr;gap:32px}.footer-brand{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.footer-brand .logo-text{color:#fff;font-size:1.125rem}.footer-brand .logo-text strong{color:var(--purple-light)}.footer-tagline{font-size:0.875rem;color:var(--gray-400);flex-basis:100%;margin-top:4px}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.footer-col h4{font-size:0.8125rem;font-weight:600;color:#fff;text-transform:uppercase;letter-spacing:0.05em;margin-bottom:12px}.footer-col a{display:block;padding:4px 0;font-size:0.8125rem;color:var(--gray-400)}.footer-col a:hover{color:#fff;text-decoration:none}.footer-bottom{border-top:1px solid var(--gray-700);padding-top:20px;font-size:0.75rem;color:var(--gray-500);text-align:center}.blog-card{display:flex;gap:20px;align-items:flex-start;padding:20px;background:#fff;border:2px solid var(--gray-100);border-radius:var(--radius-lg);text-decoration:none;color:inherit;transition:all 0.2s;margin-bottom:16px}.blog-card:hover{border-color:var(--purple);box-shadow:0 8px 30px rgba(124,58,237,0.12);transform:translateY(-2px);text-decoration:none}.blog-card-thumb{flex-shrink:0;width:80px;height:80px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:2rem}.blog-card-thumb.purple{background:var(--purple-light)}.blog-card-thumb.blue{background:var(--blue-light)}.blog-card-thumb.yellow{background:var(--yellow-light)}.blog-card-thumb.green{background:var(--green-light)}.blog-card-content{flex:1}.blog-card-content h3{font-size:1.0625rem;font-weight:700;color:var(--gray-900);margin-bottom:6px;line-height:1.4}.blog-card-content p{font-size:0.875rem;color:var(--gray-500);margin-bottom:8px;line-height:1.5}.blog-card-meta{font-size:0.75rem;color:var(--gray-400)}.blog-featured-svg{width:100%;height:auto;display:block;border-radius:var(--radius-lg);margin-bottom:32px;aspect-ratio:1200/525}@media (max-width:768px){.blog-card{flex-direction:column;gap:12px}.blog-card-thumb{width:100%;height:60px;font-size:1.5rem}}.error-page{text-align:center;padding:80px 20px}.error-page .error-code{font-family:var(--font-mono);font-size:5rem;font-weight:700;color:var(--purple-light)}.error-page h1{font-size:1.5rem;margin:16px 0 8px}.error-page p{color:var(--gray-500)}.error-page a{display:inline-block;margin-top:20px;padding:10px 24px;background:var(--purple);color:#fff;border-radius:var(--radius-sm);font-weight:600}.error-page a:hover{background:var(--purple-dark);text-decoration:none}@media (max-width:768px){.nav-toggle{display:block}.header-nav{display:none;position:absolute;top:60px;left:0;right:0;background:#fff;border-bottom:2px solid var(--purple-light);padding:12px 20px;flex-direction:column;gap:4px;box-shadow:0 10px 40px rgba(0,0,0,0.08);max-height:calc(100vh - 60px);overflow-y:auto}.header-nav.nav-open{display:flex}.nav-dropdown-menu{position:static;box-shadow:none;border:none;padding-left:16px;max-height:none;overflow-y:visible}.nav-dropdown.mega .nav-dropdown-menu{min-width:0;max-width:none;padding:8px 16px}.mega-menu-list{grid-template-columns:1fr}.hero{padding:40px 20px 24px}.hero h1{font-size:1.75rem}.hero p{font-size:1rem}.tools-grid{grid-template-columns:1fr;padding:0 16px 40px}.calc-layout{grid-template-columns:1fr}.sidebar{order:2}.calc-card{padding:20px}.result-box .result-value{font-size:2.25rem}.footer-links{grid-template-columns:1fr;gap:20px}.uni-grid{grid-template-columns:1fr 1fr}}@media (max-width:400px){.hero h1{font-size:1.5rem}.uni-grid{grid-template-columns:1fr}.result-box .result-value{font-size:2rem}}html[data-theme="dark"]{--gray-50:#1F2937;--gray-100:#374151;--gray-200:#4B5563;--gray-300:#6B7280;--gray-400:#C5C9D2;--gray-500:#D1D5DB;--gray-600:#E5E7EB;--gray-700:#F3F4F6;--gray-800:#F9FAFB;--gray-900:#FFFFFF;--purple-light:#2D1B69;--blue-light:#1E3A5F}html[data-theme="dark"] body{background:#0F172A;color:#F1F5F9}html[data-theme="dark"] .header{background:#111827;border-bottom-color:#2D1B69}html[data-theme="dark"] .header-nav a,html[data-theme="dark"] .nav-dropdown-btn{color:#F1F5F9}html[data-theme="dark"] .header-nav a:hover{color:var(--purple)}html[data-theme="dark"] .header-nav a.active{color:var(--purple);background:rgba(124,58,237,0.18)}html[data-theme="dark"] .nav-dropdown-menu{background:#111827;border-color:#374151;box-shadow:0 10px 40px rgba(0,0,0,0.45)}html[data-theme="dark"] .nav-dropdown-menu a{color:#E5E7EB}html[data-theme="dark"] .nav-dropdown-menu a:hover{background:#1F2937}html[data-theme="dark"] .mega-menu-search{background:#111827;border-bottom-color:#374151}html[data-theme="dark"] .mega-menu-filter{background:#1F2937;border-color:#374151;color:#F1F5F9}html[data-theme="dark"] .mega-menu-list a .uni-short{color:#F1F5F9}html[data-theme="dark"] .mega-menu-list a .uni-state{color:#9CA3AF}html[data-theme="dark"] .mega-menu-empty{color:#9CA3AF}html[data-theme="dark"] .calc-card,html[data-theme="dark"] .sidebar-card,html[data-theme="dark"] .content-section,html[data-theme="dark"] .faq-item,html[data-theme="dark"] .tool-card,html[data-theme="dark"] .blog-card,html[data-theme="dark"] .uni-chip{background:#111827;border-color:#1F2937;color:#E5E7EB}html[data-theme="dark"] .result-box{background:linear-gradient(135deg,#2D1B69,#1E3A5F);color:#F1F5F9}html[data-theme="dark"] .result-box.empty{background:#1F2937;border-color:#374151}html[data-theme="dark"] .result-box .result-label{color:#C5C9D2}html[data-theme="dark"] .result-box .result-value{color:#FFFFFF}html[data-theme="dark"] .result-box .result-formula{color:#D1D5DB}html[data-theme="dark"] input,html[data-theme="dark"] select,html[data-theme="dark"] textarea{background:#1F2937;color:#F1F5F9;border-color:#4B5563}html[data-theme="dark"] input::placeholder{color:#6B7280}html[data-theme="dark"] .footer{background:#0F172A;border-top-color:#1F2937}html[data-theme="dark"] .footer a{color:#C5C9D2}html[data-theme="dark"] .footer a:hover{color:var(--purple)}html[data-theme="dark"] .footer h4{color:#F1F5F9}html[data-theme="dark"] .grade-table{background:#111827}html[data-theme="dark"] .grade-table th{background:#1F2937;color:#F1F5F9}html[data-theme="dark"] .grade-table td{border-color:#374151;color:#E5E7EB}html[data-theme="dark"] .grade-table tr:hover td{background:#1F2937}html[data-theme="dark"] details summary{color:#F1F5F9}html[data-theme="dark"] .breadcrumbs{color:#C5C9D2}html[data-theme="dark"] .skip-link{background:var(--purple)}html[data-theme="dark"] .theme-toggle{color:#F1F5F9}html[data-theme="dark"] .copy-btn{background:#2D1B69;color:#E9D5FF}html[data-theme="dark"] .more-share-btn{background:#1F2937;color:#E5E7EB}html[data-theme="dark"] .more-share-btn:hover{background:#374151}html[data-theme="dark"] .ad-zone{background:#1F2937;border-color:#374151;color:#C5C9D2}html[data-theme="dark"] .verified-badge{background:#064E3B;color:#A7F3D0;border-color:#065F46}@media (prefers-color-scheme:dark){html:not([data-theme="light"]):not([data-theme="dark"]){--gray-50:#1F2937;--gray-100:#374151;--gray-200:#4B5563;--gray-300:#6B7280;--gray-400:#C5C9D2;--gray-500:#D1D5DB;--gray-600:#E5E7EB;--gray-700:#F3F4F6;--gray-800:#F9FAFB;--gray-900:#FFFFFF;--purple-light:#2D1B69;--blue-light:#1E3A5F}html:not([data-theme="light"]):not([data-theme="dark"]) body{background:#0F172A;color:#F1F5F9}}.theme-toggle{background:transparent;border:1px solid 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input{accent-color:var(--purple);margin:0}.doc-preview-wrap{margin-top:20px}.doc-preview-label{display:block;font-size:0.8125rem;font-weight:600;letter-spacing:0.04em;text-transform:uppercase;color:var(--gray-500);margin-bottom:8px}.doc-preview{--doc-accent:#1a1a1a;background:#fff;color:#1a1a1a;border:1px solid var(--gray-300);border-radius:var(--radius);padding:40px 44px;box-shadow:0 1px 3px rgba(0,0,0,0.06);font-family:Georgia,"Times New Roman",serif}.doc-preview-heading{text-align:center;font-size:1.0625rem;letter-spacing:0.18em;margin:0 0 24px;color:var(--doc-accent);font-weight:700}.doc-color-picker{display:flex;gap:10px;flex-wrap:wrap}.doc-swatch{display:inline-flex;align-items:center;gap:7px;cursor:pointer;border:1px solid var(--gray-300);border-radius:8px;padding:6px 12px 6px 8px;font-size:0.9rem;transition:border-color .15s}.doc-swatch:hover{border-color:var(--purple)}.doc-swatch input{position:absolute;opacity:0;width:0;height:0}.doc-swatch span.sw{width:16px;height:16px;border-radius:50%;border:1px solid rgba(0,0,0,0.15);display:inline-block}.doc-swatch:has(input:checked){border-color:var(--purple);box-shadow:0 0 0 1px var(--purple)}.doc-preview-body p{text-align:justify;line-height:1.85;margin:0 0 16px;color:#1a1a1a;font-size:1.0625rem}.doc-preview-body .doc-signoff{text-align:right;font-weight:600;margin-top:28px}.doc-preview-body .doc-empty{text-align:center;color:var(--gray-400);font-style:italic;font-family:var(--font-sans,system-ui,sans-serif)}.doc-pdf-hint{font-size:0.8125rem;color:var(--gray-500);margin:10px 0 0}.doc-preview.title-page{text-align:center;min-height:380px;padding:48px 44px}.doc-preview.title-page .doc-preview-body{display:flex;flex-direction:column;align-items:center}.doc-preview.title-page .doc-empty{margin:auto}.title-page .tp-title{font-size:1.25rem;font-weight:700;letter-spacing:0.04em;line-height:1.35;color:var(--doc-accent)}.title-page .tp-strong{font-weight:700;line-height:1.5;color:var(--doc-accent)}.title-page .tp-line{line-height:1.5;color:#1a1a1a}.title-page .tp-sub{font-style:italic;color:#333;line-height:1.5}.title-page .tp-logo{font-size:0.8125rem;letter-spacing:0.06em;color:var(--gray-400);font-family:var(--font-sans,system-ui,sans-serif);border:1px dashed var(--gray-300);border-radius:6px;padding:10px 18px;margin:4px 0}.title-page .tp-gap{height:18px}.doc-decl-footer{display:flex;justify-content:space-between;gap:24px;margin-top:36px;font-size:1.0625rem;color:#1a1a1a}.doc-decl-footer .doc-decl-meta div{margin-bottom:4px}.doc-decl-footer .doc-decl-sign{text-align:right;font-weight:600}.doc-decl-footer .doc-decl-sign div{margin-bottom:4px}.doc-sample{border:1px solid var(--gray-200);border-radius:var(--radius);padding:20px 24px;margin:16px 0;background:var(--gray-50)}.doc-sample-body p{line-height:1.7;margin:0 0 12px}.doc-sample-body p:last-child{margin-bottom:0}.doc-sample-copy{margin-top:14px}@media print{body{background:#fff;color:#000;font-size:11pt}.header,.footer,.nav-toggle,.header-nav,.nav-dropdown,.sidebar,.ad-zone,.action-row,.share-btn,.copy-btn,.hero-cta,.skip-link,.filter-tag,.nav-dropdown-menu{display:none!important}.calc-layout{grid-template-columns:1fr!important}.calc-card,.result-box{border:1px solid #999!important;box-shadow:none!important;background:#fff!important;page-break-inside:avoid}.result-box .result-value{color:#000!important;background:none!important;-webkit-text-fill-color:initial!important;font-size:2.25rem}.result-grade{border:1px solid #999!important;color:#000!important}h1,h2,h3{page-break-after:avoid;color:#000!important}a{color:#000!important;text-decoration:none}.breadcrumbs{font-size:9pt;color:#555}.faq-section,.blog-featured-svg,.content-section .grade-table{page-break-inside:avoid}@page{size:A4;margin:18mm}body.doc-page *{visibility:hidden}body.doc-page .doc-preview,body.doc-page .doc-preview *{visibility:visible}body.doc-page .doc-preview{position:absolute;left:0;top:0;width:100%;border:none!important;box-shadow:none!important;padding:0!important;background:#fff!important}body.doc-page .doc-preview-heading{color:var(--doc-accent)!important}body.doc-page .doc-preview-body p{color:#000!important}body.doc-page .doc-preview-body .doc-signoff{color:#000!important}body.doc-page .title-page .tp-logo{display:none!important}body.doc-page .title-page .tp-title,body.doc-page .title-page .tp-strong{color:var(--doc-accent)!important}body.doc-page .title-page .tp-line,body.doc-page .title-page .tp-sub{color:#000!important}body.doc-page .doc-decl-footer,body.doc-page .doc-decl-footer *{color:#000!important}}