:root{--navy:#142c48;--navy-dark:#0d2037;--blue:#235c93;--teal:#14776f;--purple:#695096;--gold:#a77725;--ink:#14283f;--text:#334155;--muted:#586a7e;--bg:#f8fafc;--line:#dce4eb;--radius:16px;--shadow:0 3px 14px #142c4808;--width:820px}
*,*::before,*::after{box-sizing:border-box;word-break:keep-all;overflow-wrap:break-word}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI","Malgun Gothic",sans-serif}h1,h2,h3,h4,p,ul,ol{margin-top:0}h1,h2,h3,h4{color:var(--ink);line-height:1.45;letter-spacing:-.035em}h1{font-size:38px;font-weight:800;margin-bottom:18px}h2{font-size:26px;font-weight:800;margin-bottom:16px}h3{font-size:20px;font-weight:750;margin-bottom:10px}p{margin-bottom:16px}ul,ol{padding-left:24px}li+li{margin-top:8px}a{color:var(--blue);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:default}img,svg{max-width:100%}button,a,input,select,textarea,summary{touch-action:manipulation}:focus-visible{outline:3px solid var(--blue);outline-offset:4px}[hidden]{display:none!important}.container{width:min(calc(100% - 40px),var(--width));margin-inline:auto}.skip-link{position:fixed;left:16px;top:-100px;z-index:999;padding:12px 20px;background:white}.skip-link:focus{top:12px}
.site-header{height:76px;position:sticky;top:0;z-index:100;background:#fffffff5;border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.header-inner{height:100%;max-width:1240px;margin:auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px}.logo{display:inline-flex;align-items:center;gap:11px;text-decoration:none;color:var(--navy);white-space:nowrap;font-size:19px;font-weight:800;letter-spacing:-.05em}.logo svg{width:36px;height:36px;flex-shrink:0}.logo small{font-size:11px;font-weight:500;letter-spacing:.13em;display:block;line-height:1.3;color:var(--muted)}.main-nav{display:flex;gap:5px;align-items:center;white-space:nowrap}.main-nav a{color:var(--text);font-size:14px;font-weight:650;padding:8px 13px;border-radius:8px;text-decoration:none}.main-nav a:hover,.main-nav a[aria-current]{background:#edf3f8;color:var(--blue)}.main-nav .nav-tool{background:var(--navy);color:#fff}.mobile-nav{display:none}.mobile-nav summary{list-style:none;font-size:14px;font-weight:700;border:1px solid var(--line);border-radius:8px;padding:7px 12px}.mobile-nav summary::-webkit-details-marker{display:none}.mobile-nav[open] nav{position:absolute;top:75px;left:0;right:0;display:flex;flex-direction:column;background:white;box-shadow:0 12px 20px #0d203715;padding:15px 24px}.mobile-nav nav a{padding:12px;text-decoration:none;color:var(--navy)}
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.geo-summary-box{padding:23px 26px;background:#eef6f5;border:1px solid #c8e0dc;border-left:4px solid var(--teal);border-radius:12px;margin:26px 0}.geo-summary-box strong{display:block;color:#185f58;font-size:14px;letter-spacing:.01em;margin-bottom:9px}.geo-summary-box p{margin:0;font-size:16px;color:var(--ink)}.ad-placement{width:100%;max-width:820px;margin:30px auto;padding:14px 12px;text-align:center;border:1px solid #e8edf2;background:#fafbfc;border-radius:12px}.ad-caption{font-size:11px;color:#596a7b;margin-bottom:8px}.ad-placement ins.adsbygoogle{display:block}.ad-placement:has(ins[data-ad-status="unfilled"]){display:none}.official-links{display:flex;flex-direction:column;gap:12px;margin:24px 0 30px}.official-link{padding:19px 22px;background:white;border:1px solid var(--line);border-radius:12px}.official-link strong{color:var(--ink);display:block;font-size:15px}.official-link p{font-size:14px;margin:4px 0 10px;color:var(--muted)}.official-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.official-url{font-size:12px;color:var(--muted);overflow-wrap:anywhere;margin-top:8px}.btn,.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 21px;border-radius:9px;font-weight:700;text-decoration:none;border:1px solid var(--navy);font-size:15px}.btn{background:var(--navy);color:#fff}.btn:hover{background:#244a72;color:#fff}.btn-outline{color:var(--navy);background:#fff}.btn-outline:hover{background:#edf3f8}.btn-small{min-height:40px;font-size:13px;padding:7px 13px}.btn-view-result{width:100%;min-height:54px;border:0;color:white;background:linear-gradient(110deg,#183b5e,#286ea0);border-radius:10px;font-size:16px;font-weight:750}.result-action-box{border-top:1px dashed #b7c7d7;padding-top:24px;margin-top:25px}.result-action-tip{font-size:13px;color:var(--muted);margin:10px 0 0;text-align:center}
.toc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 26px;margin:30px 0}.toc strong{color:var(--ink);font-size:15px;display:block}.toc ol{display:flex;flex-direction:column;gap:0;margin:12px 0 0;padding-left:22px}.toc li{border-bottom:1px solid #eef1f5;margin:0;padding-left:4px}.toc li:last-child{border:0}.toc li::marker{color:var(--blue);font-weight:700}.toc a{display:block;min-height:44px;padding:10px 8px;text-decoration:none;color:var(--text);font-size:15px;line-height:1.65;border-radius:6px}.toc a:hover{background:#edf3f8;color:var(--blue)}.article-section{margin:38px 0;scroll-margin-top:105px}.article-section p:last-child{margin-bottom:0}.article-section ul{margin-bottom:0}.section-label{display:block;font-size:12px;color:var(--teal);font-weight:700;letter-spacing:.1em;margin-bottom:8px}.example-box{padding:24px 26px;border:1px solid #d0dce9;border-left:4px solid var(--blue);background:white;border-radius:12px;box-shadow:var(--shadow)}.example-box p{margin:0}.notice-box{padding:20px 24px;border:1px solid #e8d1a4;border-left:4px solid var(--gold);background:#fff9ed;border-radius:12px}.notice-box strong{display:block;color:#78531c;margin-bottom:7px}.notice-box p{margin:0}.notice-box--danger{background:#fff4f2;border-color:#dcafa8;border-left-color:#b24936}.notice-box--danger strong{color:#983d2e}.faq details{background:white;border:1px solid var(--line);border-radius:10px;margin-bottom:10px;padding:17px 20px}.faq summary{cursor:pointer;font-weight:700;color:var(--ink);min-height:34px;line-height:1.7}.faq details p{padding-top:15px;margin:0}.sources{border-top:1px solid var(--line);padding-top:26px;font-size:14px;line-height:1.75}.sources h2{font-size:20px}.sources ul{list-style:disc}.sources .source-note{font-size:13px;color:var(--muted)}
.document-links{display:flex;flex-direction:column;gap:10px}.text-link{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:60px;padding:15px 19px;border:1px solid #c4d7e6;border-left:4px solid var(--blue);border-radius:12px;background:#edf4fa;color:var(--ink);font-size:15px;font-weight:700;text-decoration:none}.document-link-label{flex:1;min-width:0;overflow-wrap:anywhere}.document-link-arrow{width:32px;height:32px;border-radius:50%;background:var(--blue);color:white;display:grid;place-items:center;flex:0 0 32px;line-height:1}.text-link:hover{background:#e2edf7;border-color:var(--blue)}.text-link:hover .document-link-label{text-decoration:underline}.related-nexus-section{margin-top:44px}.related-nexus-section>p{color:var(--muted);font-size:15px}.card-stack{display:flex;flex-direction:column;gap:18px}.feature-card{--role:var(--blue);--tint:#edf4fa;position:relative;display:block;background:white;border:1px solid var(--line);border-left:5px solid var(--role);border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow);text-decoration:none;color:var(--text);transition:transform .18s,box-shadow .18s}.feature-card--teal{--role:var(--teal);--tint:#edf7f4}.feature-card--purple{--role:var(--purple);--tint:#f5f0fa}.feature-card h3{font-size:20px;margin:8px 0;color:var(--ink)}.feature-card p{font-size:15px;margin:0;color:var(--muted)}.card-top{display:flex;gap:14px;align-items:center;margin-bottom:14px}.card-icon{display:grid;place-items:center;width:44px;height:44px;flex-shrink:0;color:var(--role);background:var(--tint);border-radius:10px;font-size:20px;font-weight:800}.card-label{font-size:12px;font-weight:700;color:var(--role)}.card-link{display:inline-flex;gap:8px;margin-top:16px;font-size:14px;color:var(--role);font-weight:750}.feature-card:hover{transform:translateY(-2px);box-shadow:0 8px 25px #142c4810}.hub-card{padding:21px 25px}.hub-card h3{margin:4px 0;font-size:19px}.hub-card .card-link{margin-top:12px}.section-head{margin:44px 0 22px}.section-head p{margin:0;color:var(--muted);font-size:15px}.section-head h2{margin:5px 0 8px}.home-hero{position:relative;padding:38px 36px;background:var(--navy-dark);color:#d0deea;border-radius:20px;isolation:isolate;border:1px solid #26445f}.home-hero:before{content:"";position:absolute;right:0;top:0;bottom:0;width:35%;z-index:-1;background:radial-gradient(ellipse at 110% 35%,#4a72864a,transparent 70%)}.home-hero .eyebrow{color:#b9c5c6;letter-spacing:.16em;font-size:11px}.home-hero h1{color:white;font-size:38px;line-height:1.5;margin:18px 0}.hero-title-line{display:block}.home-hero .accent-text{color:#e5c783}.home-hero p{font-size:16px;max-width:620px;color:#d3dfe9;margin-bottom:25px}.home-hero .btn{background:#e5c783;color:var(--navy-dark);border-color:#e5c783}.hero-footer{border-top:1px solid #ffffff24;padding-top:18px;margin-top:30px;color:#c3d3e1;font-size:13px;display:flex;flex-wrap:wrap;gap:15px}.hero-footer span:before{content:"✓ ";color:#e5c783}.chapter-number{font-size:11px;font-weight:700;color:var(--gold);letter-spacing:.15em}.route-card{display:flex;align-items:center;gap:18px}.route-card .route-body{flex:1;min-width:0}.route-card h3{font-size:20px;margin:0 0 6px}.route-card p{font-size:14px}.route-arrow{font-size:22px;color:var(--role)}.search-card{margin:28px 0;padding:24px 26px;background:white;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.search-card label{display:block;font-size:15px;font-weight:750;color:var(--ink);margin-bottom:12px}.search-row{display:flex;gap:9px}.search-row input{min-width:0;flex:1}.search-row .btn{padding:10px 17px}.popular-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px;font-size:13px}.popular-links a{border:1px solid var(--line);background:#f7f9fb;padding:4px 10px;border-radius:5px;text-decoration:none;color:var(--muted)}
.tool-form{background:#fff;padding:27px;border:1px solid var(--line);border-top:4px solid var(--blue);border-radius:var(--radius);box-shadow:var(--shadow);margin:26px 0}.tool-form h2{font-size:24px}.tool-form fieldset{border:0;margin:20px 0;padding:0;min-width:0}.tool-form legend{font-weight:750;color:var(--ink);margin-bottom:10px}.tool-form label.field-label{display:block;color:var(--ink);font-weight:700;margin:18px 0 9px}input[type=search],input[type=text],input[type=email],input[type=number],select,textarea{width:100%;min-height:48px;border:2px solid #b9c7d5;border-radius:8px;background:white;color:var(--ink);padding:11px 13px}input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #235c931c}textarea{min-height:150px;resize:vertical}.check-item{display:flex;gap:13px;align-items:flex-start;padding:17px 16px;border:1px solid var(--line);background:#fbfcfd;border-radius:10px;cursor:pointer;margin-bottom:12px}.check-item input{width:20px;height:20px;flex:0 0 20px;accent-color:var(--blue);margin:4px 0}.check-item span{font-weight:650;color:var(--ink);font-size:15px}.check-item small{display:block;font-weight:400;color:var(--muted);font-size:13px;margin-top:5px}.check-item:has(input:checked){background:#edf6f3;border-color:#9dc6bd}.save-choice{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);margin:20px 0}.save-choice input{accent-color:var(--blue);width:18px;height:18px;margin-top:4px}.sticky-progress-card{position:sticky;top:84px;z-index:85;padding:15px 20px;background:var(--navy);color:#fff;border-radius:12px;margin:24px 0;box-shadow:0 3px 15px #142c4818}.progress-heading{display:flex;justify-content:space-between;gap:10px;align-items:center;font-size:14px}.progress-heading strong{font-size:20px;font-weight:800;color:#e5c783}progress{width:100%;height:7px;border:0;display:block;margin-top:9px;border-radius:6px;background:#42607b}progress::-webkit-progress-bar{background:#42607b;border-radius:6px}progress::-webkit-progress-value{background:#e5c783;border-radius:6px}progress::-moz-progress-bar{background:#e5c783}.result-section{scroll-margin-top:172px;margin:32px 0}.result-section-header{background:var(--navy-dark);border-left:5px solid #d5b771;border-radius:12px 12px 0 0;padding:18px 22px;color:white}.result-section-header h2{font-size:21px;color:white;margin:0}.result-card{background:white;border:1px solid var(--line);border-top:0;padding:27px;border-radius:0 0 var(--radius) var(--radius);box-shadow:var(--shadow)}.result-value{font-size:34px;line-height:1.4;font-weight:800;color:var(--blue);margin:10px 0}.result-card ul{margin-bottom:0}.result-card .notice-box{margin-top:20px}.share-banner-box{padding:18px 20px;border:1px dashed #bc914e;background:#fff9ed;border-radius:12px;margin-top:24px}.share-banner-box strong{font-size:15px;color:#73501c}.share-banner-box p{font-size:13px;margin:5px 0 12px}.reference-preview{white-space:pre-wrap;line-height:1.9;font:15px/1.9 "Malgun Gothic",sans-serif;background:#f6f8fa;border:1px solid var(--line);border-radius:9px;padding:20px;margin:18px 0}.tool-buttons{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.highlight-pulse{animation:pulse 1.2s ease-out}@keyframes pulse{0%{box-shadow:0 0 0 3px #d5b771}100%{box-shadow:var(--shadow)}}
.site-footer{border-top:1px solid var(--line);padding:35px 0;background:#edf2f6}.footer-brand{color:var(--navy);font-weight:750;margin-bottom:12px;font-size:17px}.footer-links{display:flex;flex-wrap:wrap;gap:8px 19px;margin-bottom:22px;font-size:13px}.footer-links a{color:var(--text);text-decoration:none}.footer-admin-bar{font-size:12px;line-height:1.9;color:var(--muted)}.footer-admin-bar p{margin:4px 0}.footer-bottom{font-size:11px;letter-spacing:.025em;margin-top:22px;color:var(--muted)}.back-top{font-size:13px;display:inline-block;margin-top:25px}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);width:max-content;max-width:calc(100% - 32px);background:var(--navy-dark);color:#fff;z-index:200;border-radius:9px;padding:12px 20px;font-size:14px;box-shadow:0 5px 25px #0002}.search-result-count{font-size:14px;color:var(--muted);margin:20px 0}.filter-label{font-size:14px;font-weight:700;display:block;margin:14px 0 7px}.search-empty{padding:28px;background:white;border:1px solid var(--line);border-radius:12px}.print-note{display:none}.simple-card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:27px;margin:26px 0;box-shadow:var(--shadow)}.comparison{border-collapse:collapse;width:100%;font-size:14px;margin:22px 0}.comparison th,.comparison td{text-align:left;padding:13px 12px;border:1px solid var(--line);vertical-align:top}.comparison th{background:#edf3f8;color:var(--ink)}.table-scroll{overflow-x:auto}.comparison caption{text-align:left;font-weight:700;color:var(--ink);margin-bottom:12px}
@media(max-width:1060px){.main-nav{display:none}.mobile-nav{display:block}.header-inner{padding-inline:22px}}
@media(max-width:600px){.container{width:calc(100% - 32px)}.header-inner{padding-inline:16px}.site-header{height:70px}.mobile-nav[open] nav{top:69px}.logo{font-size:16px;gap:8px}.logo svg{width:31px;height:31px}.logo small{font-size:9px}main{padding-top:24px}h1{font-size:28px;line-height:1.5}h2{font-size:23px}.home-hero{padding:29px 22px;border-radius:15px}.home-hero h1{font-size:28px}.home-hero p{font-size:15px}.hero-footer{font-size:12px;gap:8px}.page-intro{font-size:16px}.geo-summary-box,.toc,.simple-card,.tool-form,.result-card,.search-card{padding:20px 18px}.feature-card{padding:20px 18px}.route-card{gap:13px}.route-card h3{font-size:18px}.route-card .card-icon{width:37px;height:37px;font-size:17px}.card-stack{gap:15px}.official-link{padding:17px 18px}.article-section{margin:32px 0}.notice-box,.example-box{padding:19px 18px}.meta{font-size:12px}.sticky-progress-card{top:78px;padding:12px 17px}.progress-heading{font-size:13px}.progress-heading strong{font-size:18px}.result-section{scroll-margin-top:165px}.tool-buttons .btn,.tool-buttons .btn-outline{flex:1}.search-row{gap:7px}.search-row .btn{padding:9px 13px}.comparison th,.comparison td{padding:10px 8px}.text-link{padding:13px 14px;gap:12px}.site-footer{padding-top:28px}.faq details{padding:16px}.footer-links{gap:8px 14px}}
@media(max-width:360px){.home-hero h1{font-size:26px}.logo{font-size:15px}.header-inner{gap:8px}.mobile-nav summary{padding:7px 9px}.home-hero{padding-inline:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.feature-card:hover{transform:none}}
@media print{.site-header,.site-footer,.ad-placement,.official-links,.toc,.tool-buttons,.share-banner-box,.btn-view-result,.back-top,.toast,.sticky-progress-card{display:none!important}body{background:white;color:#111;font-size:12pt}.container{width:100%;max-width:none}main{padding:0}.home-hero{background:white;color:#111}.home-hero h1{color:#111}.print-note{display:block;font-weight:700;border:2px solid #111;padding:12px}.result-section,.simple-card,.tool-form{break-inside:avoid}a{color:#111}details>p{display:block}.result-section-header{background:white;border:1px solid #111}.result-section-header h2{color:#111}.tool-form{box-shadow:none}}
.byline{font-size:13px;color:var(--muted);margin:-12px 0 24px}.byline a{color:var(--blue)}.direct-answer{color:var(--ink)}.revision-history{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:15px}.hub-comparison th:first-child{width:29%}.hub-comparison td:last-child{width:24%}.hub-comparison a{font-weight:650}@media(max-width:600px){.hub-comparison,.hub-comparison tbody,.hub-comparison tr,.hub-comparison th,.hub-comparison td{display:block;width:100%!important}.hub-comparison thead{display:none}.hub-comparison tr{margin:15px 0;border:1px solid var(--line);border-radius:10px;overflow:hidden}.hub-comparison th,.hub-comparison td{border:0}.hub-comparison td{background:#fff}.hub-comparison caption{display:block}.byline{font-size:12px}}