:root{--bg:#f4f8f6;--surface:#fff;--surface-2:#e9f3ef;--text:#173231;--muted:#647877;--brand:#0c5c5d;--brand-2:#e69b33;--line:#d5e1dc;--danger:#b6463c;--shadow:0 18px 50px rgba(20,60,54,.11);--radius:22px;--container:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Pretendard,"Noto Sans KR","Apple SD Gothic Neo",system-ui,sans-serif;color:var(--text);background:var(--bg);line-height:1.72;word-break:keep-all}body.dark{--bg:#102321;--surface:#17302d;--surface-2:#1d3b37;--text:#eef8f4;--muted:#a9c0ba;--line:#31514b;--brand:#53b8af;--brand-2:#f0ad4e;--shadow:0 18px 50px rgba(0,0,0,.25)}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}.container{width:min(calc(100% - 36px),var(--container));margin:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;z-index:999;background:#fff;padding:10px 14px;border-radius:8px}.topbar{background:#092f30;color:#d8efeb;font-size:13px}.topbar .container{display:flex;justify-content:space-between;padding:6px 0}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}body.dark .site-header{background:rgba(16,35,33,.94)}.header-row{display:flex;align-items:center;justify-content:space-between;min-height:78px}.brand{display:flex;align-items:center;gap:11px}.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:var(--surface-2);font-size:24px}.brand b{display:block;font-size:21px;letter-spacing:-.5px}.brand small{display:block;color:var(--muted);font-size:11px}.header-actions{display:flex;gap:8px;align-items:center}.icon-btn,.menu-btn{border:1px solid var(--line);background:var(--surface);color:var(--text);padding:9px 12px;border-radius:12px}.menu-btn{display:none}.main-nav{border-top:1px solid var(--line)}.main-nav .container{display:flex;gap:2px;overflow:auto;scrollbar-width:none}.main-nav a{white-space:nowrap;padding:12px 13px;font-weight:700;font-size:14px;border-bottom:3px solid transparent}.main-nav a:hover,.main-nav a.active{color:var(--brand);border-color:var(--brand)}.page-hero{padding:72px 0 48px;background:linear-gradient(130deg,var(--surface-2),transparent 70%)}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center}.page-hero h1{font-size:clamp(34px,5vw,62px);line-height:1.15;letter-spacing:-2px;margin:12px 0 18px;max-width:850px}.page-hero p{font-size:18px;color:var(--muted);max-width:760px;margin:0}.eyebrow,.section-head>span{display:inline-flex;align-items:center;gap:7px;color:var(--brand);font-weight:800;font-size:14px;letter-spacing:.02em}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:13px 19px;border-radius:13px;font-weight:800;border:1px solid var(--line);background:var(--surface)}.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}.btn.accent{background:var(--brand-2);color:#1f2c29;border-color:var(--brand-2)}.hero-card{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:28px;padding:25px}.hero-card h2{font-size:21px;margin:0 0 15px}.hero-card ol{margin:0;padding-left:22px}.hero-card li{margin:7px 0}.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:20px}.stat{padding:12px;border-radius:14px;background:var(--surface-2);text-align:center}.stat b{display:block;font-size:22px;color:var(--brand)}section.content-section{padding:72px 0}.section-head{max-width:760px;margin-bottom:30px}.section-head h2{font-size:clamp(28px,4vw,43px);line-height:1.2;letter-spacing:-1.3px;margin:8px 0 10px}.section-head p{color:var(--muted);margin:0}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:23px;transition:.2s}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.card h3{margin:4px 0 8px;font-size:20px;line-height:1.35}.card p{margin:0;color:var(--muted)}.card .icon{font-size:30px}.meta{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0}.tag,.pill{display:inline-flex;border-radius:999px;background:var(--surface-2);color:var(--brand);padding:4px 9px;font-size:12px;font-weight:800}.pill.warn{background:#fff1dc;color:#8f5710}.pill.danger{background:#fae6e4;color:#9a352c}.answer-box{border-left:5px solid var(--brand);background:var(--surface);border-radius:0 18px 18px 0;padding:22px 25px;margin:28px 0}.answer-box strong{display:block;font-size:19px;margin-bottom:4px}.notice{background:#fff4e5;border:1px solid #f0d3a8;border-radius:18px;padding:18px 20px;color:#684619}.notice.danger{background:#fbeceb;border-color:#efc6c2;color:#762d27}.steps{counter-reset:step;display:grid;gap:14px}.step{counter-increment:step;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px 22px 20px 72px;position:relative}.step:before{content:counter(step);position:absolute;left:20px;top:19px;width:36px;height:36px;border-radius:12px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:900}.step h3{margin:0 0 5px}.step p{margin:0;color:var(--muted)}.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px}.filter-bar button{border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:999px;padding:8px 13px;font-weight:700}.filter-bar button.active{background:var(--brand);color:#fff;border-color:var(--brand)}.data-card[hidden]{display:none}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:var(--surface)}table{width:100%;border-collapse:collapse;min-width:720px}th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}th{background:var(--surface-2);font-size:13px;color:var(--brand)}tr:last-child td{border-bottom:0}.faq-list{display:grid;gap:10px}.faq-list details{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden}.faq-list summary{cursor:pointer;font-weight:800;padding:17px 20px;list-style:none}.faq-list summary:after{content:'＋';float:right;color:var(--brand)}.faq-list details[open] summary:after{content:'−'}.faq-list details div{padding:0 20px 18px;color:var(--muted)}.faq-list details p{margin:0}.search-layer{position:fixed;inset:0;background:rgba(4,22,21,.68);z-index:100;display:grid;place-items:start center;padding:8vh 16px}.search-panel{width:min(760px,100%);max-height:82vh;overflow:auto;background:var(--surface);border-radius:24px;box-shadow:var(--shadow);padding:22px}.search-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.search-head strong{font-size:22px}.search-head button{border:0;background:transparent;color:var(--text);font-size:30px}.search-panel input{width:100%;border:2px solid var(--line);background:var(--bg);color:var(--text);border-radius:15px;padding:15px 17px;outline:none}.search-panel input:focus{border-color:var(--brand)}.search-chips{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0}.search-chips button{border:0;background:var(--surface-2);color:var(--brand);border-radius:999px;padding:6px 10px}.search-results{display:grid;gap:8px}.search-item{display:block;border:1px solid var(--line);border-radius:14px;padding:13px}.search-item b{display:block}.search-item small{color:var(--brand);font-weight:800}.search-item p{margin:3px 0 0;color:var(--muted);font-size:14px}.muted{color:var(--muted)}.quiz{background:var(--surface);border:1px solid var(--line);border-radius:25px;padding:28px}.quiz-field{margin-bottom:18px}.quiz-field label{display:block;font-weight:800;margin-bottom:7px}.quiz select{width:100%;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--text)}.quiz-result{margin-top:18px;padding:18px;background:var(--surface-2);border-radius:16px}.checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.check-item{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:13px}.check-item input{width:20px;height:20px;accent-color:var(--brand)}.progress{height:12px;background:var(--line);border-radius:999px;overflow:hidden;margin:15px 0}.progress span{display:block;height:100%;background:var(--brand);width:0;transition:.2s}.diagram{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:16px;background:var(--surface-2);border-radius:15px;margin:13px 0}.diagram span{font-size:13px;font-weight:800}.diagram i{font-style:normal;color:var(--brand)}.official-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.official-link{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px}.official-link b{display:block;margin-bottom:4px}.official-link span{color:var(--muted);font-size:14px}.site-footer{background:#092f30;color:#d8ebe7;padding:58px 0 18px;margin-top:40px}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:36px}.site-footer h2{font-size:15px;color:#fff}.site-footer a:not(.brand){display:block;margin:7px 0;color:#c4dcd7}.site-footer p{color:#abc8c2;font-size:14px}.footer-brand small{color:#abc8c2}.copyright{border-top:1px solid #2c5150;margin-top:35px;padding-top:16px;font-size:13px;color:#9fbdb7;display:flex;justify-content:space-between}.alphabet{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:22px}.alphabet a{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:var(--surface);border:1px solid var(--line);font-weight:800}.glossary-term{scroll-margin-top:150px}.glossary-term h3{display:flex;justify-content:space-between}.source-list{font-size:14px;color:var(--muted)}.source-list a{text-decoration:underline;color:var(--brand)}.toc{background:var(--surface);border:1px solid var(--line);padding:20px;border-radius:18px}.toc a{display:block;padding:5px 0;color:var(--brand);font-weight:700}.two-column{display:grid;grid-template-columns:270px 1fr;gap:30px;align-items:start}.sticky{position:sticky;top:150px}.empty{padding:40px;text-align:center;color:var(--muted)}@media(max-width:980px){.hero-grid,.two-column{grid-template-columns:1fr}.hero-card{max-width:700px}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.sticky{position:static}.official-links{grid-template-columns:1fr}}@media(max-width:760px){.topbar-note{display:none}.header-row{min-height:66px}.brand small{display:none}.icon-btn span{display:none}.menu-btn{display:block}.main-nav{display:none}.main-nav.open{display:block}.main-nav .container{display:grid;padding:10px 0}.main-nav a{border-bottom:0;border-radius:9px}.main-nav a.active{background:var(--surface-2)}.page-hero{padding:48px 0 35px}.page-hero h1{letter-spacing:-1.3px}.page-hero p{font-size:16px}.grid-2,.grid-3,.grid-4,.checklist{grid-template-columns:1fr}.stat-row{grid-template-columns:repeat(3,1fr)}section.content-section{padding:52px 0}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block}.card{padding:19px}.official-links{grid-template-columns:1fr}}@media print{.site-header,.site-footer,.hero-actions,.filter-bar,.search-layer{display:none!important}.page-hero{padding:20px 0}.card,.check-item{break-inside:avoid}}