:root{--ink:#173452;--muted:#5c6d7c;--blue:#075fc5;--yellow:#ffd34e;--line:#dbe4ec;--paper:#f7f9fb;--radius:18px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.65}a{color:var(--blue);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #0671d5;outline-offset:4px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.13;letter-spacing:-.035em}h1{font-size:clamp(2.5rem,5.1vw,4.75rem);margin-bottom:24px}h2{font-size:clamp(1.65rem,3vw,2.45rem);margin-bottom:20px}h3{font-size:1.3rem}p{margin-bottom:1.1em}strong{font-weight:700}.container{max-width:1216px;margin:auto;padding:0 32px}.site-header{background:#fff;border-bottom:1px solid var(--line)}.header-inner{max-width:1280px;padding:24px 32px;margin:auto;display:flex;gap:30px;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);font-size:16px;font-weight:900;letter-spacing:-.02em;white-space:nowrap}.brand small{display:block;font-size:10px;font-weight:700;letter-spacing:.2em;margin-top:2px}.site-header nav{display:flex;gap:26px}.site-header nav a{text-decoration:none;color:var(--muted);font-size:14px;font-weight:700;padding:9px 0}.site-header nav a[aria-current]{color:var(--blue);box-shadow:0 2px var(--blue)}.play-link{font-weight:700;color:var(--ink);font-size:14px;text-decoration:none;border:1px solid var(--line);border-radius:8px;padding:9px 15px}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.15em;margin-bottom:20px;color:var(--blue)}.hero{position:relative;display:grid;grid-template-columns:1.05fr 1fr;align-items:center;min-height:450px;gap:20px;margin-top:36px;background:#e4f1ff;border-radius:24px;overflow:hidden}.hero-copy{z-index:1;padding:42px 0 40px 42px}.hero h1{font-size:clamp(2.8rem,4.4vw,4.4rem);letter-spacing:-.055em}.hero h1 span{color:#0965c8}.hero-description{max-width:420px;color:#405d77;font-size:17px;line-height:1.7}.hero-art{margin:0;height:100%;position:relative;min-height:390px;align-self:stretch}.hero-art img{width:100%;height:100%;object-fit:cover;display:block}.hero-art figcaption{position:absolute;bottom:8px;right:12px;background:#ffffffd9;padding:3px 8px;border-radius:4px;font-size:10px;color:#3b5369}.actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;border:0;background:var(--ink);color:#fff;text-decoration:none;border-radius:9px;padding:14px 21px;font-size:14px;font-weight:700;cursor:pointer;line-height:1.5}.button:hover{background:#244c74}.button.secondary{background:var(--yellow);color:var(--ink)}.text-link{font-size:14px;font-weight:700;text-decoration:none}.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;font-size:11px;color:#4d6c86}.hero-meta span+span{border-left:1px solid #adc7de;padding-left:12px}.game-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:19px 4px;border-bottom:1px solid var(--line);font-size:13px}.game-strip>div{display:flex;gap:16px;align-items:center}.game-strip strong{font-size:14px}.small-label{font-size:11px;letter-spacing:.12em;font-weight:700;color:var(--muted)}.game-strip a{font-weight:700;text-decoration:none}.section{padding:56px 0}.section-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:26px;gap:20px}.section-heading h2{margin:0}.section-heading .eyebrow{margin-bottom:12px}.muted{color:var(--muted);font-size:13px}.three-col{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.task-card{display:flex;flex-direction:column;position:relative;text-decoration:none;color:var(--ink);border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff;transition:transform .15s,border-color .15s}.task-card:hover{transform:translateY(-3px);border-color:#84afd6}.card-number{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:#eaf1f8;border-radius:10px;font-size:13px;font-weight:700;margin-bottom:25px}.task-card h3{font-size:1.4rem;margin-bottom:14px}.task-card p{font-size:14px;color:#536c82;line-height:1.7;max-width:290px}.card-link{display:flex;justify-content:space-between;font-size:13px;font-weight:700;margin-top:auto;padding-top:14px}.blue-card{background:#0a64c7;color:white;border-color:#0a64c7}.blue-card p{color:#e2edff}.blue-card .card-number{background:#ffffff24}.yellow-card{background:#fff1b6;border-color:#f6e8aa}.yellow-card .card-number{background:#f6d967}.light-card{background:#e9f2f9}.home-guide{display:grid;grid-template-columns:1fr 1.15fr;border-top:1px solid var(--line);padding:54px 0;gap:110px}.home-guide>div>p:not(.eyebrow){color:var(--muted);font-size:15px;max-width:365px}.loop{list-style:none;margin:0;padding:0}.loop li{display:flex;gap:25px;padding:0 0 21px;margin-bottom:21px;border-bottom:1px solid var(--line)}.loop li:last-child{border-bottom:0;margin:0;padding:0}.loop li>span{font-size:13px;color:var(--blue);font-weight:700;padding-top:3px}.loop h3{margin-bottom:7px;font-size:1.2rem}.loop p{font-size:14px;color:var(--muted);margin:0}.reward-banner{display:flex;gap:40px;align-items:center;justify-content:space-between;border-radius:var(--radius);background:var(--ink);color:#fff;padding:34px 36px}.reward-banner h2{font-size:1.8rem;margin:15px 0}.reward-banner p{font-size:14px;color:#d0dfee;max-width:650px;margin:0}.reward-banner .button{white-space:nowrap}.badge{display:inline-block;font-size:11px;letter-spacing:.065em;font-weight:800;padding:5px 10px;border-radius:5px;background:#fff1b6;color:#594715}.faq{max-width:850px}.faq h2{margin-bottom:25px}details{border-bottom:1px solid var(--line);padding:18px 0}summary{font-weight:700;cursor:pointer;list-style:none;padding-right:28px;position:relative}summary:after{content:'+';position:absolute;right:4px;font-size:21px;line-height:1.2}details[open] summary:after{content:'−'}details>div{padding-top:16px;font-size:15px;color:var(--muted)}details p:last-child{margin-bottom:0}footer{background:#fff;border-top:1px solid var(--line);margin-top:20px}.footer-inner{max-width:1216px;margin:auto;padding:36px 32px;display:flex;align-items:center;justify-content:space-between;gap:30px}.footer-inner p{font-size:12px;color:var(--muted);margin:12px 0 0}.footer-inner nav{display:flex;gap:24px;font-size:13px}.footer-inner nav a{color:var(--ink);text-decoration:none}.footer-tag{background:var(--yellow);padding:1px 5px;border-radius:3px;font-size:10px}.footer-bottom{max-width:1152px;margin:auto;border-top:1px solid var(--line);padding:18px 0 24px;font-size:11px;color:var(--muted);display:flex;justify-content:space-between}.breadcrumb{display:flex;gap:12px;font-size:12px;padding-top:28px;text-transform:capitalize;color:var(--muted)}.breadcrumb a{text-decoration:none}.page-heading{padding:35px 0 32px;max-width:900px}.page-heading h1{font-size:clamp(2.4rem,4.5vw,4rem)}.intro{max-width:760px;font-size:18px;color:var(--muted);line-height:1.65;margin-bottom:0}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:start}.article-layout article>section{margin-bottom:42px}.article-layout h2,.prose h2{font-size:1.9rem}.article-layout article p,.prose p{color:#40566b}.answer-box{background:#e6f1ff;padding:28px;border-radius:var(--radius);border:1px solid #c8def5}.answer-box h2{font-size:1.9rem}.answer-box p:last-child{margin-bottom:0}.fine{font-size:12px!important;color:var(--muted)!important}.jump-links{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 35px}.jump-links a{font-size:13px;text-decoration:none;padding:7px 12px;border:1px solid var(--line);border-radius:6px;background:#fff}.table-wrap{overflow-x:auto;background:white;border:1px solid var(--line);border-radius:12px;margin-bottom:20px}table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.55}th{text-align:left;font-size:12px;background:#edf3f8;color:var(--ink);padding:16px}td{padding:16px;vertical-align:top;border-top:1px solid var(--line);min-width:135px}td:first-child{font-weight:700;color:var(--ink)}td{color:#4b6276}.steps{list-style:none;counter-reset:steps;padding:0}.steps>li{counter-increment:steps;position:relative;padding-left:50px;margin:26px 0}.steps>li:before{content:counter(steps,decimal-leading-zero);position:absolute;left:0;top:0;width:32px;height:32px;display:grid;place-items:center;border-radius:8px;background:#e0edfc;color:var(--blue);font-weight:700;font-size:12px}.steps h3{font-size:1.2rem;margin-bottom:12px}.note{padding:22px 24px;border-left:4px solid #edbe2c;background:#fff4ca;margin:24px 0;border-radius:0 10px 10px 0}.note p{margin:8px 0 0}.checklist{padding-left:22px}.checklist li{padding:5px 0}.side-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;position:sticky;top:25px;font-size:14px}.side-panel .button{width:100%;padding-left:10px;padding-right:10px}.side-panel h3{font-size:1.6rem}.side-panel>a:not(.button){display:block;margin:12px 0}.side-panel p{color:var(--muted)}.side-panel .eyebrow{font-size:10px;color:var(--blue)}hr{border:0;border-top:1px solid var(--line);margin:25px 0}.yellow-panel{background:#fff2bb;border-color:#e9d988}.source-note{padding:23px;border:1px solid var(--line);border-radius:12px;font-size:13px;margin:40px 0}.source-note p{margin:8px 0 0}.related{border-top:1px solid var(--line);padding:40px 0 50px}.related h2{font-size:1.7rem}.related .task-card h3{font-size:1.2rem}.code-status .badge{margin-bottom:20px}.prose{max-width:830px;padding-bottom:45px}.prose h2{margin-top:36px}.prose li{margin-bottom:8px}.calculator{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;margin-bottom:45px;box-shadow:0 12px 34px #14385908}.calculator-toolbar{display:flex;justify-content:space-between;align-items:start;gap:20px;border-bottom:1px solid var(--line);padding-bottom:20px}.calculator-toolbar h2{font-size:1.5rem;margin-bottom:7px}.calculator-toolbar p{font-size:14px;color:var(--muted);margin:0}.small-button{font-size:13px;background:#edf4fb;color:var(--ink);border:1px solid var(--line);border-radius:7px;padding:8px 13px;cursor:pointer;white-space:nowrap}fieldset{border:0;margin:0;padding:0;min-width:0}legend{font-size:14px;font-weight:700;margin-bottom:15px;padding:0}label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:700;min-width:0}input,select{width:100%;min-width:0;color:var(--ink);font-size:16px;font-weight:400;border:1px solid #bacbd9;background:#fff;border-radius:7px;padding:11px 12px;height:47px}input::placeholder{font-size:13px;color:#788998}.account-inputs{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;margin:26px 0}.account-inputs legend{float:left;grid-column:1/-1;width:100%;margin:0}.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.upgrade-field{padding:22px;border:1px solid #c9def4;background:#f1f7fd;border-radius:12px}.upgrade-field legend{float:left;width:100%;font-size:17px;color:var(--blue)}.upgrade-field>label{clear:both;margin-bottom:16px}.upgrade-field .two-col{gap:14px}.option-b{background:#fff9e5;border-color:#eadca4}.option-b legend{color:#755d15}.calculator-actions{display:flex;align-items:center;gap:22px;padding:25px 0}.text-button{border:0;background:transparent;text-decoration:underline;text-underline-offset:4px;color:var(--muted);font-size:13px;cursor:pointer}.results{padding:22px;background:#eef4f8;border-radius:12px}.results>p:last-child{margin-bottom:0}.results h3{font-size:1.3rem;margin-bottom:15px}.result-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:10px}.result-card h3{font-size:1.1rem}.result-card dl{margin:0}.result-card dl>div{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding:10px 0;font-size:13px}.result-card dt{color:var(--muted)}.result-card dd{margin:0;text-align:right;font-weight:700}.result-summary{margin-top:20px;font-weight:700}.formula{padding:22px;background:#173452;color:white;border-radius:10px;font-family:Consolas,monospace;font-size:14px;line-height:2;overflow-wrap:anywhere}.skip-link{position:fixed;z-index:20;left:16px;top:-100px;background:#fff;padding:12px}.skip-link:focus{top:12px}@media(max-width:1050px){.header-inner{gap:20px}.play-link{display:none}.hero-copy{padding-left:28px}.hero h1{font-size:3.3rem}.hero .actions{gap:15px}.home-guide{gap:45px}.article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:28px}}@media(max-width:760px){.container{padding:0 20px}.header-inner{padding:17px 20px;flex-wrap:wrap;gap:14px}.brand{font-size:14px}.brand img{width:32px;height:32px}.site-header nav{width:100%;justify-content:space-between;gap:14px}.site-header nav a{font-size:12px}.hero{grid-template-columns:1fr;margin-top:22px;gap:0}.hero-copy{padding:30px 25px 24px}.hero h1{font-size:3.2rem}.hero-description{font-size:16px}.hero-art{min-height:0;height:235px;order:2}.hero-art img{object-position:center 48%}.hero-meta{font-size:10px;margin-top:22px}.hero .text-link{font-size:13px}.hero .eyebrow{font-size:10px}.game-strip{font-size:11px}.game-strip>div{flex-wrap:wrap;gap:4px 10px}.game-strip .small-label{display:none}.game-strip>div>span:last-child{width:100%;font-size:11px}.game-strip>a{white-space:nowrap;font-size:12px}.section{padding:36px 0}.section-heading .muted{display:none}.section-heading .eyebrow{font-size:10px}.three-col{grid-template-columns:1fr;gap:14px}.task-card{padding:22px}.task-card .card-number{margin-bottom:18px}.task-card p{max-width:none}.home-guide{grid-template-columns:1fr;gap:28px;padding:35px 0}.home-guide h2 br{display:none}.home-guide>div>p:not(.eyebrow){max-width:none}.reward-banner{padding:26px;display:block}.reward-banner .button{margin-top:24px}.reward-banner h2{font-size:1.6rem}.footer-inner{padding:30px 20px;display:block}.footer-inner nav{margin-top:24px;gap:22px}.footer-bottom{margin:0 20px;font-size:10px}.footer-bottom span{display:none}.breadcrumb{padding-top:22px}.page-heading{padding:28px 0}.page-heading h1{font-size:2.7rem}.page-heading .eyebrow{font-size:10px}.intro{font-size:16px}.article-layout{grid-template-columns:1fr;gap:0}.side-panel{position:static;margin-bottom:30px}.answer-box{padding:23px}.article-layout h2,.prose h2{font-size:1.65rem}.calculator{padding:20px;margin-left:-5px;margin-right:-5px}.calculator-toolbar{gap:12px}.calculator-toolbar h2{font-size:1.2rem}.calculator-toolbar p{font-size:12px}.small-button{font-size:12px;padding:8px}.account-inputs{grid-template-columns:1fr;gap:16px}.upgrade-inputs{grid-template-columns:1fr}.upgrade-field{padding:18px}.upgrade-field .two-col{grid-template-columns:1fr}.calculator-actions{flex-wrap:wrap;gap:18px}.calculator-actions .fine{width:100%}.results{padding:16px}.results .two-col{grid-template-columns:1fr}.steps>li{padding-left:43px}.formula{font-size:12px}.table-wrap table{min-width:550px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.task-card{transition:none}}
.article-layout>article{min-width:0}.table-wrap{max-width:100%}@media(max-width:760px){.article-layout{grid-template-columns:minmax(0,1fr)}}
.native-ad[hidden]{display:none}.native-ad{min-height:190px;margin:30px 0 42px;padding:15px 18px 20px;border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden}.native-ad-label{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding-bottom:9px;margin-bottom:14px;color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.native-ad-label a{color:var(--muted);font-weight:400;letter-spacing:0;text-transform:none}.privacy-toggle{position:fixed;z-index:30;left:16px;bottom:16px;width:auto;height:auto;padding:10px 14px;border:1px solid #a9bdcd;border-radius:9px;background:#fff;color:var(--ink);font-size:12px;font-weight:700;box-shadow:0 4px 20px #17345222;cursor:pointer}.privacy-toggle[hidden]{display:none}.privacy-dialog{position:fixed;z-index:40;inset:auto 16px 16px auto;width:min(430px,calc(100vw - 32px));max-height:min(80vh,740px);margin:0;padding:22px;border:1px solid #9cb4c7;border-radius:14px;background:#fff;color:var(--ink);box-shadow:0 10px 40px #17345238;overflow:auto}.privacy-dialog:not([open]){display:none}.privacy-copy>strong{display:block;font-size:1.25rem;margin-bottom:8px}.privacy-copy p{font-size:13px;color:#40566b;margin-bottom:8px}.privacy-copy small{display:block;font-size:11px;line-height:1.5;color:var(--muted)}.privacy-options{margin:17px 0;border-top:1px solid var(--line)}.privacy-options label{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid var(--line);cursor:pointer}.privacy-options label>span{display:flex;flex-direction:column;gap:3px}.privacy-options strong{font-size:13px}.privacy-options small{font-size:11px;font-weight:400;color:var(--muted);line-height:1.4}.privacy-options input{width:20px;height:20px;min-width:20px;accent-color:var(--blue);cursor:pointer}.privacy-actions{display:flex;gap:8px;flex-wrap:wrap}.privacy-actions button{width:auto;height:auto;border:1px solid #a9bdcd;border-radius:7px;padding:8px 11px;background:#fff;color:var(--ink);font-size:12px;font-weight:700;cursor:pointer}.privacy-actions #privacy-save{background:var(--ink);color:#fff;border-color:var(--ink)}@media(max-width:760px){.native-ad{margin:25px 0 35px;min-height:150px}.privacy-dialog{inset:auto 12px 12px 12px;width:auto;max-height:80vh}.privacy-toggle{left:12px;bottom:12px}}
.offline-preview{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:32px 36px;margin-top:34px;border:1px solid #c7dcec;border-radius:var(--radius);background:#e8f3fc}.offline-preview h2{font-size:1.65rem;margin:0 0 10px}.offline-preview p:not(.eyebrow){font-size:14px;color:#405d77;max-width:650px;margin:0}.offline-preview .eyebrow{margin-bottom:10px}.offline-preview .button{white-space:nowrap}.offline-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:24px 0 0}.offline-result-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:14px}.offline-result-grid>div{display:flex;flex-direction:column;gap:5px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:15px}.offline-result-grid span{color:var(--muted);font-size:12px}.offline-result-grid strong{font-size:1.15rem;line-height:1.3}@media(max-width:760px){.offline-preview{display:block;padding:25px;margin-top:22px}.offline-preview .button{margin-top:20px}.offline-fields{grid-template-columns:1fr;gap:15px}.offline-result-grid{grid-template-columns:1fr}}