*{box-sizing:border-box}
:root{
  --ink:#1B1D1F;--body:#33383D;--sec:#5C6166;--mut:#8B9096;
  --line:#ECEEF0;--border:#DFE2E5;--surf:#F4F5F6;
  --accent:#8C5E54;--tint:#F5F1F0;
}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--ink);font-family:'Noto Sans KR',-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo',sans-serif;word-break:keep-all;overflow-wrap:break-word}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
svg.ic{flex:0 0 auto}

/* header */
.hd{border-bottom:1px solid var(--line)}
.hd .wrap{height:56px;display:flex;align-items:center;justify-content:space-between}
.logo{font-size:16px;font-weight:600;letter-spacing:-.3px}
.hd-nav{display:flex;align-items:center;gap:32px;font-size:15px}
.hd-nav .nl{display:none;color:var(--sec)}
.hd-nav .nl.on{color:var(--ink);font-weight:600}
.hd-cta{font-size:14px;font-weight:500;color:var(--sec)}

/* top */
.top{padding:28px 0 24px;display:flex;flex-direction:column;gap:16px}
.page-title{margin:0;font-size:26px;line-height:36px;font-weight:600;letter-spacing:-.6px}
.search{margin:0;display:flex;align-items:center;gap:12px;height:52px;padding:0 16px;background:var(--surf);border-radius:12px}
.search input{flex:1;min-width:0;border:0;outline:none;font-size:16px;font-family:inherit;background:transparent;color:var(--ink);-webkit-appearance:none}
.search input::-webkit-search-cancel-button{display:none}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:14px;line-height:20px;padding:8px 12px;border-radius:8px;border:1px solid var(--line);color:var(--sec);background:#fff;cursor:pointer}
.chip.on{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.chips-label{display:none;font-size:14px;color:var(--mut);margin-right:4px;align-self:center}

/* tabs (mobile) */
.tabs{display:flex;gap:24px;padding:0 20px;border-bottom:1px solid var(--line);overflow-x:auto;white-space:nowrap;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs a{flex:0 0 auto;font-size:16px;line-height:24px;padding:12px 0;color:var(--mut);border-bottom:2px solid transparent}
.tabs a.on{color:var(--ink);font-weight:600;border-bottom-color:var(--accent)}

/* layout */
.grid{display:block}
.side{display:none}
.sec-head{display:flex;flex-direction:column;gap:12px;padding:24px 0 4px}
.sec-title{margin:0;font-size:20px;line-height:28px;font-weight:600;letter-spacing:-.4px}
.sec-group{padding-top:12px}
.sec-group+.sec-group{padding-top:24px}
.more{display:inline-block;margin-top:16px;font-size:15px;line-height:22px;font-weight:500;color:var(--accent)}

/* question rows */
.qa{border-bottom:1px solid var(--line)}
.qa summary{list-style:none;display:flex;align-items:flex-start;gap:12px;padding:20px 0;cursor:pointer}
.qa summary::-webkit-details-marker{display:none}
.qmark{flex:0 0 16px;font-size:17px;line-height:26px;font-weight:600;color:var(--accent)}
.qtext{flex:1;font-size:17px;line-height:26px;font-weight:500;letter-spacing:-.2px}
.chev{flex:0 0 auto;margin-top:3px;transition:transform .2s ease}
.qa[open] .chev{transform:rotate(180deg)}
.qa[open] .qtext{font-weight:600}
.qa-body{padding:0 0 24px 28px;display:flex;flex-direction:column;gap:12px}
.qa-body p{margin:0;font-size:17px;line-height:28px;color:var(--body)}
.qa-body a{align-self:flex-start;font-size:15px;line-height:22px;font-weight:500;color:var(--accent)}
.row{display:flex;align-items:flex-start;gap:12px;padding:20px 0;border-bottom:1px solid var(--line)}
.row .qtext{font-weight:400}
.row .meta{display:block;margin-top:4px;font-size:14px;line-height:20px;color:var(--mut)}
.row mark{background:none;color:inherit;font-weight:600}
.empty{padding:32px 0;font-size:16px;line-height:26px;color:var(--sec)}

/* detail */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-top:16px;font-size:13px;line-height:20px;color:var(--mut)}
.crumb a{color:var(--mut)}
.crumb span[aria-current]{color:var(--sec)}
.article{padding-top:16px;display:flex;flex-direction:column;gap:32px}
.article h1{margin:0;font-size:24px;line-height:34px;font-weight:600;letter-spacing:-.6px}
.lead{margin:0;padding:20px;border-radius:12px;background:var(--tint);font-size:19px;line-height:30px;font-weight:600;letter-spacing:-.3px}
.ans{display:flex;flex-direction:column;gap:16px;font-size:17px;line-height:28px;color:var(--body)}
.ans p{margin:0}
.ans h2{margin:16px 0 -8px;font-size:19px;line-height:28px;font-weight:600;letter-spacing:-.3px;color:var(--ink)}
.ans h3{margin:8px 0 -8px;font-size:17px;line-height:26px;font-weight:600;color:var(--ink)}
.ans>:first-child{margin-top:0}
.ans ul,.ans ol{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:12px}
.ans ul li{position:relative;padding-left:16px}
.ans ul li::before{content:"";position:absolute;left:2px;top:12px;width:5px;height:5px;border-radius:50%;background:var(--accent)}
.ans ol{counter-reset:n}
.ans ol li{position:relative;padding-left:28px;counter-increment:n}
.ans ol li::before{content:counter(n);position:absolute;left:0;font-weight:600;color:var(--accent)}
.ans strong{font-weight:600;color:var(--ink)}
.ans li .lbl{display:block}
.ans a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;word-break:break-all}
.related{padding-top:40px}
.related h2{margin:0 0 4px;font-size:20px;line-height:28px;font-weight:600;letter-spacing:-.4px}

/* cta */
.cta{margin:32px 0 0;padding:24px 20px;border-radius:12px;background:var(--tint);display:flex;flex-direction:column;gap:16px}
.cta h2{margin:0;font-size:20px;line-height:28px;font-weight:600;letter-spacing:-.4px}
.cta p{margin:4px 0 0;font-size:15px;line-height:24px;color:var(--sec)}
.btns{display:flex;flex-direction:column;gap:8px}
.btn{height:52px;border-radius:10px;font-size:16px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:8px}
.btn-p{background:var(--accent);color:#fff}
.btn-s{background:#fff;border:1px solid var(--border)}

/* footer */
.ft{padding:32px 0 104px;font-size:13px;line-height:20px;color:var(--mut)}
.ft .wrap{display:flex;flex-direction:column;gap:8px}
.ft nav{display:flex;gap:16px;flex-wrap:wrap}
.ft nav a{color:var(--sec)}
.ft p{margin:0}

/* bottom bar (mobile) */
.bar{position:fixed;left:0;right:0;bottom:0;z-index:10;padding:12px 20px calc(12px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);display:flex;gap:8px}
.bar .btn{flex:1;height:48px}

/* desktop */
@media (min-width:960px){
  .wrap{padding:0 40px}
  .hd .wrap{height:64px}
  .logo{font-size:18px}
  .hd-nav .nl{display:inline}
  .hd-cta{height:40px;padding:0 16px;border-radius:10px;background:var(--accent);color:#fff;font-weight:600;font-size:15px;display:flex;align-items:center}
  .top{padding:56px 0 40px;gap:24px}
  .page-title{font-size:32px;line-height:44px;letter-spacing:-.8px}
  .search{height:64px;padding:0 24px;gap:16px}
  .search input{font-size:18px}
  .top.compact{padding:40px 0 0}
  .top.compact .search{height:52px;padding:0 20px}
  .top.compact .search input{font-size:16px}
  .chips-label{display:inline}
  .tabs{display:none}
  .grid{display:grid;grid-template-columns:220px minmax(0,1fr);gap:64px;align-items:start;padding-top:16px;padding-bottom:80px}
  .top.compact+.grid{padding-top:40px}
  .side{display:flex;flex-direction:column;gap:32px;position:sticky;top:24px}
  .side nav{display:flex;flex-direction:column;gap:4px}
  .side nav a{height:44px;padding:0 12px;border-radius:8px;font-size:16px;color:var(--sec);display:flex;align-items:center}
  .side nav a:hover{background:var(--surf)}
  .side nav a.on{background:var(--surf);color:var(--ink);font-weight:600}
  .side .cta{margin:0;padding:20px}
  .side .cta h2{font-size:17px;line-height:24px;letter-spacing:-.3px}
  .side .cta p{font-size:14px;line-height:20px}
  .side .btn{height:44px;font-size:15px}
  .main .cta{display:none}
  .sec-head{padding-top:0}
  .sec-title{font-size:24px;line-height:32px;letter-spacing:-.5px}
  .qa summary{gap:16px;padding:24px 0}
  .qa-body{padding:0 36px 32px 32px;max-width:680px}
  .row{gap:16px}
  .main.detail{max-width:680px}
  .crumb{padding-top:0;font-size:14px}
  .article h1{font-size:30px;line-height:42px;letter-spacing:-.8px}
  .lead{padding:24px;font-size:20px}
  .related{padding-top:56px}
  .related h2{font-size:22px;line-height:30px}
  .ft{border-top:1px solid var(--line);padding:32px 0 40px}
  .ft .wrap{flex-direction:row-reverse;justify-content:space-between;align-items:center}
  .ft nav{gap:24px}
  .bar{display:none}
}
@media (hover:hover){
  .qa summary:hover .qtext,.row:hover .qtext{color:var(--accent)}
  .btn-p:hover{filter:brightness(.94)}
  .btn-s:hover{background:var(--surf)}
}
@media (prefers-reduced-motion:reduce){.chev{transition:none}}