.wk{--ink:#18213d;--ink-soft:#3e4866;--muted:#4b5570;--sky:#eef3fd;--panel:#f2f5fb;--blue:#2f5bea;--blue-ink:#1e3fa8;--purple:#8a3fb5;--purple-ink:#6b2c91;--purple-soft:#f7f0fb;--green:#16704a;--green-ink:#145f3f;--green-soft:#e3f4eb;--sun-soft:#fff4cc;--sun-ink:#6b4a00;--orange:#f08a24;color:var(--ink);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;margin-top:-24px;font-family:Outfit,Segoe UI,system-ui,sans-serif;font-size:17px;line-height:1.6}.wk h1,.wk h2,.wk h3,.wk p{margin:0}.wk a{color:var(--blue)}.wk-wrap{max-width:640px;margin:0 auto;padding-left:16px;padding-right:16px}.wk-hero{background:var(--sky);padding-block:28px 32px}.wk-hero .wk-wrap{flex-direction:column;gap:12px;display:flex}.wk-crumb{color:var(--muted);font-size:15px}.wk-crumb a{color:var(--muted)}.wk-date{color:var(--blue-ink);background:#fff;border-radius:999px;align-self:flex-start;padding:4px 12px;font-size:14px;font-weight:600}.wk-hero h1{letter-spacing:-.5px;font-size:clamp(32px,7vw,40px);font-weight:800;line-height:1.05}.wk-sub{color:var(--ink-soft);font-size:18px}.wk-notice{background:#fff;border-radius:14px;padding:10px 14px;font-size:16px}.wk-tiles{grid-template-columns:1fr;gap:10px;margin-top:6px;display:grid}@media (min-width:720px){.wk-tiles{grid-template-columns:repeat(3,minmax(0,1fr))}}.wk .wk-tile{color:var(--ink);background:#fff;border:2px solid #0000;border-radius:18px;align-items:center;gap:14px;min-height:72px;padding:14px 16px;text-decoration:none;display:flex}.wk .wk-tile:hover,.wk .wk-tile:focus-visible{border-color:currentColor}.wk-tile-icon{color:#fff;border-radius:14px;flex:0 0 48px;justify-content:center;align-items:center;height:48px;font-size:20px;font-weight:800;display:flex}.wk-tile-maths .wk-tile-icon{background:var(--blue)}.wk-tile-spelling .wk-tile-icon{background:var(--purple)}.wk-tile-topic .wk-tile-icon{background:var(--green)}.wk-tile-text{flex-direction:column;flex:1;min-width:0;line-height:1.25;display:flex}.wk-tile-label{text-transform:uppercase;letter-spacing:.8px;font-size:13px;font-weight:700}.wk-tile-maths .wk-tile-label{color:var(--blue-ink)}.wk-tile-spelling .wk-tile-label{color:var(--purple-ink)}.wk-tile-topic .wk-tile-label{color:var(--green-ink)}.wk-tile-title{font-size:18px;font-weight:700}.wk-chev{color:#8a94ab;font-size:26px;line-height:1}.wk-sections{flex-direction:column;gap:28px;padding-top:28px;display:flex}.wk-section{background:#fff;border:1px solid #e3e8f2;border-radius:24px;scroll-margin-top:12px;overflow:hidden}.wk-band{color:#fff;flex-direction:column;gap:6px;padding:22px 20px;display:flex}.wk-maths .wk-band{background:var(--blue)}.wk-spelling .wk-band{background:var(--purple)}.wk-topic .wk-band{background:var(--green)}.wk-eyebrow{letter-spacing:1px;text-transform:uppercase;opacity:.88;font-size:13px;font-weight:700}.wk-band h1,.wk-band h2{font-size:26px;font-weight:800;line-height:1.1}.wk-draft{background:#ffffff2e;border-radius:999px;align-self:flex-start;padding:2px 10px;font-size:12px;font-weight:600}.wk-body{flex-direction:column;gap:28px;padding:24px 20px;display:flex}.wk-lede{font-size:18px}.wk-visual{flex-direction:column;gap:12px;display:flex}.wk-visual h3{font-size:20px;font-weight:700}.wk-caption{color:var(--ink-soft)}.wk-panel{background:var(--panel);border-radius:18px;padding:16px}.wk-panel-tight{padding:14px 8px 8px}.wk-panel svg text{font-family:Outfit,sans-serif}.wk-panel-tight svg{max-width:460px;margin:0 auto;display:block}.wk-bt{flex-direction:column;gap:14px;display:flex}.wk-bt-key{color:var(--ink-soft);flex-wrap:wrap;gap:8px 18px;font-size:14px;font-weight:600;display:flex}.wk-bt-key>span{align-items:center;gap:8px;display:flex}.wk-bt-row{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.wk-bt-result{border-top:2px dashed #b8c6e6;padding-top:14px}.wk-bt-num{flex:0 0 60px;font-size:24px;font-weight:800}.wk-bt-result .wk-bt-num{color:var(--blue-ink);font-size:26px}.wk-sticks{gap:6px;display:flex}.wk-stick{background:var(--blue);border-radius:3px;width:9px;height:44px;display:inline-block}.wk-stick-sm{width:7px;height:20px}.wk-dots{grid-template-columns:repeat(5,13px);gap:6px;display:grid}.wk-dot{background:var(--orange);border-radius:50%;width:13px;height:13px;display:inline-block;position:relative}.wk-dot-sm{width:12px;height:12px}.wk-dot-x{background:#f6c99d}.wk-dot-x:after{content:"";background:var(--ink);border-radius:2px;height:3px;position:absolute;top:5px;left:-3px;right:-3px;transform:rotate(-45deg)}.wk-ml{flex-direction:column;gap:12px;display:flex}.wk-ml-start{background:var(--ink);color:#fff;border-radius:16px;flex-direction:column;align-self:center;align-items:center;padding:10px 28px;display:flex}.wk-ml-start span{letter-spacing:1px;text-transform:uppercase;color:#c9d1e6;font-size:12px;font-weight:600}.wk-ml-start b{font-size:34px;font-weight:800;line-height:1.1}.wk-ml-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.wk-ml-cell{border-radius:12px;justify-content:space-between;align-items:baseline;gap:6px;padding:8px 12px;display:flex}.wk-ml-cell span{font-size:14px}.wk-ml-cell b{font-size:20px}.wk-ml-cell.less{background:#fce3e3}.wk-ml-cell.less span{color:#7a2e2e}.wk-ml-cell.more{background:var(--green-soft)}.wk-ml-cell.more span{color:var(--green-ink)}.wk-panel-purple{background:var(--purple-soft)}.wk-word-panel{flex-direction:column;align-items:center;gap:12px;padding:24px 12px;display:flex}.wk-word{flex-wrap:wrap;justify-content:center;gap:6px;display:flex}.wk-letter{background:#fff;border:2px solid #d9c2e8;border-radius:12px;justify-content:center;align-items:center;width:52px;height:64px;font-size:38px;font-weight:700;display:flex}.wk-letter.hot{background:var(--purple);border-color:var(--purple);color:#fff}@media (max-width:380px){.wk-letter{width:44px;height:56px;font-size:32px}}.wk-word-caption{color:var(--purple-ink);text-align:center;font-size:18px;font-weight:600}.wk-boxes{gap:6px;margin:0;padding:0;list-style:none;display:grid}.wk-boxes li{background:var(--purple-soft);text-align:center;border-radius:12px;flex-direction:column;gap:2px;padding:10px 4px;display:flex}.wk-boxes b{color:var(--purple-ink);font-size:18px;font-weight:800}.wk-boxes span{font-size:13px;line-height:1.2}.wk-facts{flex-direction:column;gap:16px;margin:0;padding:0;list-style:none;display:flex}.wk-facts li{align-items:flex-start;gap:14px;display:flex}.wk-fact-icon{background:var(--green-soft);border-radius:12px;flex:0 0 40px;justify-content:center;align-items:center;height:40px;display:flex}.wk-builder{flex-direction:column;gap:8px;display:flex}.wk-builder-row{align-items:center;gap:12px;display:flex}.wk-builder-label{text-transform:uppercase;letter-spacing:.6px;flex:0 0 82px;font-size:13px;font-weight:700}.wk-builder-text{border-radius:10px;min-width:0;padding:8px 12px}.wk-tone-blue{background:#e7eefd}.wk-tone-yellow{background:#ffe7a3;font-weight:700}.wk-tone-green{background:var(--green-soft)}.wk-tone-blue-ink{color:var(--blue-ink)}.wk-tone-yellow-ink{color:#8a5a00}.wk-tone-green-ink{color:var(--green-ink)}.wk-checklist{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0;padding:0;list-style:none;display:grid}.wk-checklist li{background:var(--panel);border-radius:10px;align-items:center;gap:8px;padding:8px 10px;font-size:15px;display:flex}.wk-steps-list{flex-direction:column;gap:8px;margin:0;padding-left:1.3rem;display:flex}.wk-example{background:var(--panel);white-space:pre;border-radius:14px;margin:0;padding:14px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:15px;line-height:1.5;overflow-x:auto}.wk-tip{background:#e7eefd;border-radius:18px;flex-direction:column;gap:4px;padding:16px 18px;display:flex}.wk-avoid{background:var(--sun-soft);color:var(--sun-ink);border-radius:18px;align-items:flex-start;gap:12px;padding:16px 18px;display:flex}.wk-avoid svg{flex:none;margin-top:3px}.wk-avoid b{display:block}.wk-more{border-top:1px solid #e3e8f2;padding-top:14px}.wk-more summary,.wk-moretips summary{cursor:pointer;justify-content:space-between;align-items:center;font-weight:700;list-style:none;display:flex}.wk-more summary::-webkit-details-marker{display:none}.wk-moretips summary::-webkit-details-marker{display:none}.wk-more summary:after,.wk-moretips summary:after{content:"+";color:var(--muted);font-size:24px}.wk-more[open] summary:after,.wk-moretips[open] summary:after{content:"−"}.wk-more[open] summary{margin-bottom:12px}.wk-section-foot{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.wk .wk-top{color:var(--muted);font-size:15px;font-weight:600;text-decoration:none}.wk .wk-top:hover{text-decoration:underline}.wk-moretips{background:#fff;border:1px solid #e3e8f2;border-radius:24px;padding:0 20px}.wk-moretips summary{min-height:64px;font-size:18px}.wk-moretips-body{flex-direction:column;gap:16px;padding-bottom:22px;display:flex}.wk-moretips-item{flex-direction:column;gap:2px;display:flex}.wk-ink-maths b{color:var(--blue-ink)}.wk-ink-spelling b{color:var(--purple-ink)}.wk-ink-topic b{color:var(--green-ink)}.wk-keywords{color:var(--muted);font-size:15px}.wk-earlier{flex-direction:column;gap:10px;display:flex}.wk-earlier h2{font-size:22px;font-weight:800}.wk .wk-earlier-link{color:var(--ink);background:#fff;border:1px solid #e3e8f2;border-radius:20px;justify-content:space-between;align-items:center;gap:12px;padding:16px 20px;text-decoration:none;display:flex}.wk-earlier-link>span:first-child{flex-direction:column;min-width:0;display:flex}.wk-earlier-link b{font-size:18px}.wk-earlier-link span span{color:var(--muted);font-size:15px}