:root{color-scheme:light;--ink:#173147;--muted:#526877;--accent:#075b70;--line:#d9e5e9;--bg:#f6f8fa}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.8 system-ui,-apple-system,'Segoe UI',sans-serif}a{color:var(--accent);text-underline-offset:4px}a:hover{color:#00384a}header,footer{background:#fff;border-bottom:1px solid var(--line)}.wrap{max-width:1120px;margin:auto;padding:24px}header .wrap{display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap}.brand{font-weight:750;text-decoration:none;max-width:750px}nav{display:flex;gap:20px;flex-wrap:wrap}main{min-height:70vh}.hero{padding:30px 0}.eyebrow{font-size:13px;letter-spacing:.08em;color:var(--muted)}h1{font-size:clamp(26px,4vw,42px);line-height:1.4;margin:12px 0 20px}h2{font-size:25px;line-height:1.5;margin-top:36px}h3{font-size:19px;line-height:1.5}.lead{max-width:850px}.stats{display:flex;gap:24px;flex-wrap:wrap}.stats strong{display:block;font-size:28px;color:var(--accent)}.controls{background:#fff;padding:20px;border:1px solid var(--line);border-radius:14px;display:grid;grid-template-columns:2fr 1fr;gap:20px}label{display:block;font-weight:650}input,select,button{font:inherit;border:1px solid #829ca9;border-radius:8px;padding:12px;width:100%;background:#fff;color:var(--ink)}input:focus,select:focus,a:focus{outline:3px solid #e4b14a;outline-offset:3px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.card{background:#fff;padding:22px;border:1px solid var(--line);border-radius:14px;min-width:0}.card h3{margin:8px 0 12px}.card ul{padding-left:20px}.pill{display:inline-block;font-size:12px;padding:2px 9px;border-radius:18px;background:#e9f4f4;color:#174b58}.note{font-size:14px;color:var(--muted)}.table-wrap{overflow:auto;max-width:100%}table{border-collapse:collapse;width:100%;font-size:14px;background:#fff}th,td{text-align:left;vertical-align:top;padding:13px;border:1px solid var(--line);min-width:110px}th{background:#eaf1f4}td:first-child{min-width:180px}td ul{margin:0;padding-left:18px}.guide-list{display:flex;gap:12px;flex-wrap:wrap}.guide-list a{background:#fff;border:1px solid var(--line);padding:12px 18px;border-radius:10px}.method{background:#eaf1f4;border-radius:12px;padding:22px;margin:30px 0}.breadcrumb{font-size:13px;color:var(--muted)}.breadcrumb ol{display:flex;list-style:none;padding:0;gap:10px;flex-wrap:wrap}.empty{padding:20px;background:#fff}.card[hidden]{display:none!important}details{margin:15px 0}summary{cursor:pointer;font-weight:650}.skip{position:absolute;left:-9999px}.skip:focus{left:10px;top:10px;z-index:99;background:#fff;padding:15px}footer{margin-top:40px;border-top:1px solid var(--line)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;padding:0;list-style:none;counter-reset:step}.steps li{padding:20px;background:#fff;border:1px solid var(--line);border-radius:12px}.steps li:before{counter-increment:step;content:counter(step);display:block;color:var(--accent);font-size:25px;font-weight:750}.references{overflow-wrap:anywhere}@media(max-width:700px){.wrap{padding:18px}.grid,.controls,.steps{grid-template-columns:1fr}.hero{padding:15px 0}.card{padding:18px}.table-wrap{margin-right:-5px}h2{font-size:22px}}