@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@500;600;700;800&family=Noto+Sans+KR:wght@400;500;600;700;800;900&display=swap');
:root{--ink:#1e293b;--sub:#64748b;--primary:#2257cc;--border:#e5eaf0;--base:#f6f8fc;--r:20px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--base);color:var(--ink);font:15px/1.8 'Noto Sans KR',system-ui,-apple-system,sans-serif;word-break:keep-all}a{color:inherit;text-decoration:none}a:hover{color:#2257cc}.shell{max-width:1160px;margin:0 auto;padding:0 28px}header{position:sticky;top:0;z-index:10;background:#ffffffed;backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}header .shell{min-height:76px;display:flex;justify-content:space-between;align-items:center;gap:26px}.logo{font-weight:900;letter-spacing:-1.4px;font-size:25px;color:#172a52;white-space:nowrap}.logo b{color:#16a085}nav{display:flex;flex-wrap:wrap;gap:25px;font-weight:700;font-size:13px}nav a{padding:10px 0}.hero{background:radial-gradient(circle at 89% 15%,#d5fff4 0,transparent 39%),linear-gradient(117deg,#eef3ff 0%,#f7faff 65%,#eafaf6 100%);border-bottom:1px solid #e8edf6;padding:78px 0 64px}.eyebrow{font-size:12px;color:#128c88;font-weight:900;letter-spacing:.11em}.hero h1{font-size:clamp(32px,5vw,54px);line-height:1.35;letter-spacing:-2px;margin:14px 0 18px;font-weight:900}.muted{color:var(--sub)}.hero .muted{font-size:16px;margin-bottom:28px}.searchbar{max-width:800px;display:flex;gap:10px;background:white;padding:9px;box-shadow:0 19px 50px #28487c1c;border:1px solid #e1e9f5;border-radius:18px}.searchbar input{width:100%;flex:1;min-width:0;border:0;outline:0;padding:13px 16px;font-size:15px}.searchbar:focus-within{outline:3px solid #d5e6ff}.btn,button{appearance:none;display:inline-flex;justify-content:center;align-items:center;text-align:center;gap:9px;min-height:48px;line-height:1.45;white-space:normal;vertical-align:middle;padding:13px 23px;border:1px solid transparent;border-radius:12px;background:var(--primary);color:#fff!important;font-size:14px;font-weight:800;letter-spacing:-.25px;cursor:pointer;transition:background .15s ease,transform .15s ease,box-shadow 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#1646a21a;transform:translateY(-2px)}.filters select{min-width:145px;background:#fff;border:1px solid #dee6f0;border-radius:11px;padding:13px 16px;color:var(--ink);font:inherit}.breadcrumbs{padding:25px 0;font-size:12px;color:#738097}.layout{display:grid;grid-template-columns:minmax(0,1fr) 275px;gap:24px}.panel{padding:clamp(25px,3.4vw,38px);margin-bottom:22px}.panel h2{font-size:21px;line-height:1.45;margin:0 0 18px;letter-spacing:-.5px}.panel h3{font-size:16px;margin:25px 0 8px}.panel p{margin:0 0 18px}.panel p:last-child{margin-bottom:0}.detail h1{font-size:clamp(26px,3.4vw,39px);line-height:1.4;margin:12px 0 17px;letter-spacing:-1px}.metadata{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:28px 0}.metadata div,.review-spec div{padding:15px 17px;background:#f6f8fc;border:1px solid #f0f3f8;border-radius:12px}.metadata span,.review-spec dt{display:block;color:var(--sub);font-size:12px}.metadata strong,.review-spec dd{font-size:14px;color:var(--ink);font-weight:800}.notice{background:#effaf7;border:1px solid #d5eee7;padding:20px 22px;border-radius:13px;color:#27645b;margin:23px 0}.related a{display:block;padding:14px 0;border-bottom:1px solid #edf0f5}.related a:last-child{border:none}footer{margin-top:70px;padding:40px 0;background:#172642;color:#e0e9fb;font-size:12px}footer a{color:#fff}.pill{display:inline-flex;border-radius:22px;padding:6px 12px;color:#087c67;background:#e7f8f2;font-weight:850;font-size:12px}.article p{line-height:1.95;margin:0 0 23px}.article h2{margin:35px 0 18px}.hide{display:none!important}.step-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:0 0 23px}.step-bar span{padding:12px 5px;border-radius:10px;background:#edf2fa;color:#415677;text-align:center;font-size:12px;font-weight:750}.step-bar span:last-child{background:#e5f5f0;color:#16816d}.page-flow{max-width:930px}.page-flow h1{font-size:clamp(26px,3.5vw,38px);letter-spacing:-1px;line-height:1.45;margin:9px 0 19px}.review-spec{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin:24px 0}.review-spec dd{margin:4px 0 0}.action-row{display:flex;flex-wrap:wrap;align-items:center;gap:15px;margin:30px 0 12px}.action-row .btn{max-width:100%;min-width:176px}.resource-item{border:1px solid #e4eaf3;background:#fbfcff;border-radius:17px;padding:24px;display:flex;justify-content:space-between;align-items:center;gap:24px;margin:22px 0}.resource-item p{margin:8px 0 0}.resource-item .btn{flex-shrink:0}.book-hero{display:flex;align-items:center;gap:30px;margin-bottom:30px;padding:24px;border-radius:18px;background:linear-gradient(125deg,#f3f7ff,#f2fcf8)}.book-hero-image{flex:0 0 165px;height:218px;display:flex;align-items:center;justify-content:center}.book-hero-image img{height:100%;max-width:100%;object-fit:contain;filter:drop-shadow(0 11px 9px #19365820)}.book-hero-text{min-width:0}.book-hero-text h1{margin:7px 0 13px}.book-hero-text .muted{margin:0}.book-hero .btn{margin-top:23px}.page-flow>.panel>.eyebrow{display:block;margin:16px 0 8px}.inline-cover{display:flex;align-items:center;gap:19px;padding:18px;background:#f7f9fd;border-radius:14px;margin:18px 0 30px}.inline-cover img{width:84px;height:116px;object-fit:contain;flex:none}.inline-cover strong{display:block;font-size:14px}.inline-cover span{font-size:12px;color:var(--sub)}.panel .btn{margin-top:8px}.action-row .btn{margin-top:0}.section .book .more{margin-top:auto}.btn:focus-visible,a:focus-visible{outline:3px solid #8cbaed;outline-offset:3px}@media(max-width:850px){.layout{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{padding:54px 0}.aside{order:2}nav{gap:12px}}@media(max-width:580px){.shell{padding:0 17px}header .shell{min-height:66px}nav{gap:10px;font-size:11px}.logo{font-size:20px}.grid{grid-template-columns:1fr}.hero h1{letter-spacing:-1.4px}.searchbar{gap:4px}.searchbar 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