:root{--paper:#faf8f3;--ink:#303c34;--muted:#677269;--green:#355c46;--line:#dedfd3;--soft:#edf0e5;--peach:#f1ded0;--white:#fffefa;font-family:Georgia,'Times New Roman',serif;color:var(--ink);background:var(--paper);font-size:17px;line-height:1.65}
*{box-sizing:border-box}body{margin:0}a{color:var(--green);text-underline-offset:4px}button,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #b77843;outline-offset:5px}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-weight:400;line-height:1.15}h1{font-size:clamp(2.6rem,5vw,4.6rem);letter-spacing:-.045em;margin-bottom:24px}h2{font-size:2rem;letter-spacing:-.025em}h3{font-size:1.35rem}p{margin-bottom:18px}.header{max-width:1400px;margin:auto;padding:25px 4%;display:flex;align-items:center;justify-content:space-between;gap:28px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:1.2rem;white-space:nowrap;line-height:1.1}.brand i{display:block;font-size:.85rem;color:var(--muted);margin-top:6px}.brand-icon{font-size:2.3rem}nav{display:flex;gap:28px;font:14px/1.5 system-ui,sans-serif;flex-wrap:wrap}nav a{text-decoration:none;padding:9px 0;border-bottom:2px solid transparent}nav a[aria-current=page]{border-color:var(--green)}main{min-height:75vh}main:focus{outline:none}.wrap{max-width:1180px;margin:auto;padding:54px 30px}.eyebrow,.tag,.small,figcaption,.step-no,.crumb{font-family:system-ui,sans-serif}.eyebrow{font-size:12px;letter-spacing:.15em;text-transform:uppercase;color:var(--green);margin-bottom:22px}.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:70px;align-items:center;padding:35px 0 65px}.hero p{font-size:1.1rem;max-width:540px}.hero-art{background:var(--soft);border-radius:48% 48% 8px 8px;min-height:410px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.hero-art:before,.hero-art:after{content:'';position:absolute;border:1px solid #c4cdbd;border-radius:50%;width:350px;height:350px;transform:translate(100px,-90px)}.hero-art:after{transform:translate(-130px,170px)}.paper-note{position:relative;z-index:1;background:var(--white);padding:35px;box-shadow:0 12px 35px #303c3412;max-width:310px;transform:rotate(-4deg)}.paper-note .spark{font-size:42px;color:#a76b45}.paper-note p{font-size:1.6rem;line-height:1.3}.paper-note small{font:12px system-ui;color:var(--muted)}.actions{display:flex;gap:15px;align-items:center;flex-wrap:wrap;margin:28px 0}.btn{display:inline-block;background:var(--green);color:white;text-decoration:none;padding:13px 22px;border:1px solid var(--green);border-radius:6px;font:14px/1.5 system-ui,sans-serif}.btn.secondary{background:transparent;color:var(--green)}.intro-line{border-block:1px solid var(--line);padding:24px 0;margin-bottom:48px;display:flex;gap:30px;align-items:center}.intro-line b{white-space:nowrap;font-weight:400;font-size:1.25rem}.intro-line p{margin:0;color:var(--muted)}.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.section-head h2{margin:0}.small{font-size:13px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{padding:27px;border:1px solid var(--line);border-radius:8px;background:var(--white);text-decoration:none;transition:transform .15s,border-color .15s}.card:hover{transform:translateY(-3px);border-color:var(--green)}.step-no{font-size:12px;color:var(--muted);display:block;margin-bottom:25px}.card h3{margin-bottom:12px}.card p{font-size:.95rem;color:var(--muted);margin:0}.page-title{max-width:800px;margin-bottom:36px}.page-title h1{font-size:clamp(2.4rem,4vw,3.7rem)}.page-title>p{font-size:1.1rem;color:var(--muted)}.layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:55px}.sidebar{align-self:start;position:sticky;top:25px;font:14px/1.5 system-ui,sans-serif}.sidebar a{display:block;text-decoration:none;padding:12px 15px;margin:4px 0;border-radius:5px}.sidebar a[aria-current=step]{background:var(--soft);font-weight:600}.sidebar .small{padding:10px 15px}.article{max-width:790px}.article h2{margin:35px 0 18px}.article h2:first-child{margin-top:0}.article li{padding:0 0 14px 6px}.article ol{padding-left:25px}.callout{border-left:3px solid #91a481;padding:18px 22px;background:var(--soft);margin:25px 0;border-radius:0 6px 6px 0}.callout p:last-child{margin:0}.callout.warning{background:#f8eddf;border-color:#b88550}.tag{display:inline-block;font-size:12px;padding:5px 10px;border-radius:30px;background:var(--soft);margin-bottom:18px}.screenshot{margin:28px 0}.image-button{display:block;width:100%;border:1px solid var(--line);border-radius:8px;padding:12px;background:#eae9e1}.image-button img{display:block;max-width:100%;max-height:480px;width:auto;margin:auto;border-radius:4px}.image-button:hover{border-color:var(--green)}figcaption{font-size:12px;color:var(--muted);margin-top:9px;line-height:1.6}details{border-block-start:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-size:1.05rem}details p{margin-top:15px}.next{margin-top:40px;padding-top:25px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}pre{padding:18px;background:#e9ede5;overflow:auto;border-radius:5px;font:13px/1.7 Consolas,monospace}code{font-size:.9em;overflow-wrap:anywhere}.copy{border:1px solid var(--line);background:var(--white);border-radius:4px;padding:6px 12px;font:12px system-ui;margin-bottom:15px}.platforms{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:25px}.platforms a{padding:8px 14px;border:1px solid var(--line);border-radius:30px;text-decoration:none;font:14px system-ui}.platforms a[aria-current=page]{background:var(--green);color:white}.empty{padding:35px;background:var(--soft);border-radius:8px;margin:25px 0}.empty h2{margin-top:0}.example{padding:22px 26px;background:var(--white);border:1px solid var(--line);border-radius:8px}footer{max-width:1180px;margin:40px auto 0;border-top:1px solid var(--line);padding:25px 30px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font:12px/1.5 system-ui;color:var(--muted)}footer a{text-decoration:none}.skip{position:fixed;top:-80px;left:15px;padding:10px;background:white;z-index:10}.skip:focus{top:10px}dialog{border:0;border-radius:10px;padding:20px;max-width:95vw;max-height:95vh;background:var(--paper)}dialog::backdrop{background:#16241ed9}dialog img{display:block;max-width:100%;max-height:75vh;margin:auto;object-fit:contain}dialog p{font:13px system-ui;margin:15px 0 0}.close{display:block;margin:0 0 15px auto;border:1px solid var(--line);background:white;padding:8px 16px;border-radius:4px} @media(max-width:900px){.header{align-items:flex-start;flex-direction:column;gap:18px}nav{gap:12px 24px}.hero{gap:30px}.hero-art{min-height:350px}.layout{gap:25px;grid-template-columns:180px minmax(0,1fr)}.cards{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.wrap{padding:32px 20px}.header{padding:20px}.hero{grid-template-columns:1fr;padding:10px 0 35px}.hero-art{min-height:280px;order:2}.paper-note{padding:22px;max-width:250px}.paper-note p{font-size:1.3rem}.intro-line{display:block}.intro-line b{display:block;margin-bottom:10px}.cards{grid-template-columns:1fr}.card{padding:22px}.step-no{margin-bottom:12px}.section-head{display:block}.section-head .small{display:block;margin-top:10px}.layout{display:block}.sidebar{position:static;display:flex;overflow:auto;gap:5px;margin-bottom:25px;padding-bottom:10px}.sidebar a{white-space:nowrap;border:1px solid var(--line);padding:9px 12px}.sidebar .small{display:none}nav{font-size:12px;display:grid;grid-template-columns:1fr 1fr;width:100%;gap:5px 15px}.image-button{padding:6px}.image-button img{max-height:360px}.page-title{margin-bottom:25px}footer{margin-top:20px}}

.overview-guide{margin:22px 0 28px;padding:0;border:1px solid #91a481;border-radius:8px;background:var(--soft)}.overview-guide summary{padding:18px 22px;font:600 15px/1.5 system-ui,sans-serif;color:var(--green)}.overview-guide[open] summary{border-bottom:1px solid var(--line)}.overview-guide .screenshot{margin:18px}.overview-guide summary:hover{background:#e2e9d9}