:root{--ink:#142d50;--muted:#53657c;--paper:#ffffff;--line:#cfdded;--accent:#245bd6}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Malgun Gothic',sans-serif;line-height:1.85}main,header,footer{width:min(100% - 40px,1000px);margin-inline:auto}header{padding:24px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:18px;align-items:center}header a{font-size:14px}main{padding:54px 0}h1,h2{font-family:Georgia,'Batang',serif;line-height:1.4;letter-spacing:-.035em}h1{font-size:clamp(30px,4vw,48px);max-width:900px}h2{font-size:28px;margin:56px 0 20px}h3{font-size:21px;margin:32px 0 12px}p{margin:14px 0}a{color:inherit;text-underline-offset:4px}.eyebrow{font-size:12px;letter-spacing:.14em;font-weight:bold;color:var(--accent)}.lead{font-size:21px}.muted,figcaption{color:var(--muted);font-size:14px}figure{margin:30px 0}figure img{display:block;width:100%;height:auto}figcaption{margin-top:12px}.hero{aspect-ratio:3/2;object-fit:cover}.diagram{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--line);padding:24px;gap:24px}.diagram figure{margin:0;text-align:center}.diagram svg{width:100%;height:120px;display:block}.diagram figcaption{font-size:16px}.diagram strong{display:block;color:var(--ink);font-size:18px}.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}table{border-collapse:collapse;width:100%;min-width:610px}th,td{padding:18px;border:1px solid var(--line);text-align:left}th{background:#eaf3ff}pre{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;background:white;padding:26px;border-left:4px solid #245bd6}.cta{margin:55px auto 0;padding:36px;background:#edf5ff;text-align:center}.cta h2{margin:0 0 18px}.actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}.actions a,.button{display:flex;align-items:center;justify-content:center;min-height:52px;padding:14px 18px;background:var(--ink);color:white;text-decoration:none;font-weight:bold;text-align:center}.actions a:nth-child(2){background:transparent;color:var(--ink);border:1px solid var(--ink)}.phone{width:min(390px,100%);margin:28px auto;border:8px solid #142d50;border-radius:28px;overflow:hidden;background:white}.phone iframe{width:100%;height:690px;border:0;display:block}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:22px;border:1px solid var(--line);background:white}.card h3{margin-top:0}details{border-bottom:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-weight:bold}footer{padding:32px 0;font-size:13px;border-top:1px solid var(--line)}@media(max-width:600px){main,header,footer{width:calc(100% - 32px)}main{padding-top:30px}h2{font-size:25px}.actions,.cards{grid-template-columns:1fr}.phone{display:none}.diagram{grid-template-columns:1fr;padding:20px}.diagram figure{display:grid;grid-template-columns:90px 1fr;align-items:center;gap:16px;text-align:left}.diagram svg{height:90px}.diagram figcaption{margin:0}.cta{padding:24px 18px}pre{padding:20px;font-size:15px}}
h1,h2,h3{word-break:keep-all;overflow-wrap:break-word;text-wrap:balance}

/* Office-care blue palette; shared by article and sample. */
body{background:linear-gradient(135deg,#ffffff 0%,#f3f8ff 58%,#ffffff 100%)}.actions a,.button{background:var(--accent);color:#fff}.actions a:nth-child(2){background:#fff;color:var(--accent);border-color:var(--accent)}.actions a:hover,.button:hover{background:#1947ad;color:#fff}.actions a:focus-visible,.button:focus-visible{outline:3px solid var(--ink);outline-offset:4px}.cta{border:1px solid var(--line)}.diagram{background:#f5f9ff}.card{border-top:3px solid var(--accent)}