:root{--ink:#182d26;--muted:#687a72;--green:#217346;--line:#dfe8e2;--wash:#f3f7f4;--side:#153c2d}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:#fbfcfa;color:var(--ink);font:15px/1.7 system-ui,-apple-system,"Segoe UI","Malgun Gothic",sans-serif}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,summary:focus-visible{outline:3px solid #b6d892;outline-offset:5px;border-radius:4px}.sidebar{position:fixed;inset:0 auto 0 0;width:258px;background:var(--side);color:#e9f4ed;padding:34px 25px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;color:white;font-size:16px;font-weight:650;letter-spacing:-.3px;line-height:1.3}.brand small{display:block;font-size:9px;letter-spacing:2px;color:#a7c9b7;margin-top:7px}.sheet-mark{width:34px;height:38px;padding:12px 6px 6px;border:1px solid #78b08e;background:#246344;border-radius:5px;display:grid;grid-template-columns:1fr 1fr;gap:3px;flex-shrink:0}.sheet-mark i{background:#c5e4cc;border-radius:1px}.sidebar nav{display:grid;gap:8px;margin-top:62px}.sidebar nav a{color:#bcd5c6;display:flex;justify-content:space-between;padding:10px 12px;font-size:13px;border-radius:6px}.sidebar nav a:hover{color:white;background:#24553e;text-decoration:none}.sidebar nav span{font-size:10px;opacity:.6}.sidebar-note{margin-top:auto;border-top:1px solid #315740;padding-top:22px;font-size:11px;color:#d2e6d8}.sidebar-note p{color:#90b29e;font-size:11px;line-height:1.7;margin:9px 0 0}.status-dot{display:inline-block;background:#a4d987;width:6px;height:6px;border-radius:50%;margin-right:7px}main{margin-left:258px;max-width:1518px;padding:0 64px}.topbar{display:flex;align-items:center;justify-content:space-between;height:78px;border-bottom:1px solid var(--line);font-size:10px;letter-spacing:1.5px;color:var(--muted)}.topbar a{letter-spacing:0;font-size:12px}.hero{padding:69px 0 61px;border-bottom:1px solid var(--line)}.eyebrow{font-size:10px;letter-spacing:2.1px;font-weight:700;color:var(--green)}h1{font-size:clamp(38px,4.7vw,66px);line-height:1.1;letter-spacing:-2.7px;font-weight:650;margin:22px 0}h1 em{font-style:normal;color:var(--green)}.lead{font-size:17px;color:var(--muted);max-width:650px;line-height:1.85}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 24px}.button{padding:12px 19px;border:1px solid var(--line);border-radius:6px;font-size:13px;font-weight:600;display:inline-flex;gap:28px;align-items:center}.button:hover{text-decoration:none;filter:brightness(.96)}.primary{background:var(--green);color:white;border-color:var(--green)}.secondary{background:white}.hero-meta{display:flex;flex-wrap:wrap;gap:25px;color:var(--muted);font-size:10px}.hero-meta span:before{content:"✓";color:var(--green);margin-right:6px}section:not(.hero){padding:43px 0;border-bottom:1px solid var(--line)}.section-heading{display:flex;gap:15px;align-items:flex-start;margin-bottom:24px}.section-number{color:#91a99a;font-size:11px;border:1px solid var(--line);border-radius:5px;padding:4px 8px;margin-top:4px}h2{font-size:25px;letter-spacing:-.7px;font-weight:650;line-height:1.3;margin:0 0 7px}.section-heading p{margin:0;color:var(--muted);font-size:13px}h3{font-size:17px;line-height:1.4;margin:13px 0 10px}.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:23px}.steps article{padding:23px 0 8px}.step-index{color:var(--green);font-size:12px;background:#e7f0e8;border-radius:50%;display:inline-grid;place-items:center;width:28px;height:28px}.steps p,.workflow p{font-size:13px;color:var(--muted);line-height:1.85}.steps a,.workflow a,.notice a,details a{font-size:12px;font-weight:600}.workflow-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.workflow{border:1px solid var(--line);background:white;border-radius:10px;padding:27px}.workflow.game{background:#f0f6ef;border-color:#cbdccf}.pill{font-size:9px;letter-spacing:1.5px;color:var(--green);font-weight:700}.workflow h3{font-size:23px;letter-spacing:-.6px}.workflow ul{font-size:12px;padding-left:18px;margin:19px 0 24px}.workflow li{padding:3px 0}.notice{margin-top:19px;padding:20px 24px;border-left:3px solid var(--green);background:#edf3ed;border-radius:0 6px 6px 0}.notice strong{font-size:12px}.notice p{font-size:12px;color:var(--muted);margin:5px 0 9px}.language-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.language-grid a{position:relative;display:flex;flex-direction:column;padding:18px;background:white;border:1px solid var(--line);border-radius:7px;color:var(--ink)}.language-grid a:hover{border-color:var(--green);text-decoration:none}.language-grid span{font-size:14px;font-weight:600;padding-right:20px}.language-grid small{font-size:8px;color:var(--muted);letter-spacing:1.1px;margin-top:4px}.language-grid b{position:absolute;right:17px;top:19px;font-weight:400;color:#8aa595}.reference-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 26px}.reference-grid a{position:relative;padding:17px 25px 17px 0;border-bottom:1px solid var(--line);color:var(--ink)}.reference-grid span{display:block;font-size:13px;font-weight:600}.reference-grid small{font-size:11px;color:var(--muted)}.reference-grid b{position:absolute;right:0;top:24px;color:var(--green);font-weight:400}details{background:white;border:1px solid var(--line);border-radius:7px;padding:17px 21px;margin:10px 0}summary{cursor:pointer;font-size:13px;font-weight:600}details p{font-size:12px;line-height:1.9;color:var(--muted);max-width:760px}footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:15px;padding:28px 0 40px;font-size:10px;color:var(--muted)}footer>span:first-child{font-weight:650;color:var(--ink)}@media(min-width:1600px){main{padding-left:85px;padding-right:85px}}@media(max-width:1100px){.sidebar{width:220px;padding:28px 19px}main{margin-left:220px;padding:0 34px}.steps{gap:16px}.language-grid{grid-template-columns:1fr 1fr}}@media(max-width:760px){html{scroll-behavior:auto}.sidebar{position:static;width:auto;padding:22px 24px}.sidebar nav{display:flex;flex-wrap:wrap;gap:5px;margin-top:20px}.sidebar nav a{padding:6px 9px;font-size:11px}.sidebar nav span,.sidebar-note{display:none}main{margin-left:0;padding:0 24px}.topbar{height:60px;font-size:8px;gap:15px}.hero{padding:43px 0}h1{letter-spacing:-1.6px}.lead{font-size:15px}.steps,.workflow-grid{grid-template-columns:1fr}.steps article{padding:9px 0}.reference-grid{grid-template-columns:1fr}.workflow{padding:23px}.hero-meta{gap:14px}.section-heading{gap:10px}h2{font-size:22px}}@media(max-width:390px){.language-grid{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media print{.sidebar,.topbar,.actions{display:none}main{margin:0;padding:0;max-width:none}body{background:white;font-size:11pt}.hero{padding:10px 0 25px}h1{font-size:32pt}section:not(.hero){padding:20px 0}article,details,.notice{break-inside:avoid}details>*{display:block}a{color:inherit}.hero-meta{display:none}footer{padding:15px 0}}