/* PC오류해결센터 — 미니멀 IT 기술지원 스타일 (모바일 우선) */
:root{
  --navy:#0b2545; --navy-2:#13315c; --blue:#1d4ed8; --blue-soft:#e8efff;
  --bg:#f5f7fb; --card:#ffffff; --text:#1b2333; --muted:#5b6475; --line:#e3e8f0;
  --warn-bg:#fff6e6; --warn-line:#f0b44c; --tip-bg:#eef6ff; --tip-line:#7aa7f5;
  --code-bg:#0f172a; --code-text:#e5ecf6; --ok:#15803d;
  --radius:10px; --font:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic","맑은 고딕","Noto Sans KR",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Consolas,"D2Coding",monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:12px}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.75 var(--font);word-break:keep-all;overflow-wrap:break-word;padding-bottom:56px}
a{color:var(--blue);text-underline-offset:2px}
a:hover{text-decoration-thickness:2px}
img{max-width:100%;height:auto}
code,kbd{font-family:var(--mono);font-size:.9em}
code{background:#eef1f6;padding:.1em .35em;border-radius:4px}
kbd{display:inline-block;border:1px solid #c9d1dd;border-bottom-width:2px;border-radius:4px;padding:0 .4em;background:#fff;line-height:1.5}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:9}
:focus-visible{outline:3px solid #f59e0b;outline-offset:2px}

/* 헤더 */
.site-head{background:var(--navy);color:#fff}
.head-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding-top:12px;padding-bottom:10px}
.logo{display:flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-size:19px;letter-spacing:-.3px}
.logo b{color:#9cc3ff;font-weight:800}
.logo-mark{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:7px;background:var(--blue);font-weight:900}
.search{display:flex;flex:1 1 100%;order:3}
.search input{flex:1;min-width:0;height:42px;border:0;border-radius:8px 0 0 8px;padding:0 12px;font:inherit;font-size:15px}
.search button{height:42px;border:0;border-radius:0 8px 8px 0;background:var(--blue);color:#fff;font:inherit;font-weight:700;padding:0 16px;cursor:pointer}
.btn-diag{margin-left:auto;color:var(--navy);background:#fff;text-decoration:none;font-weight:700;font-size:14px;padding:6px 12px;border-radius:999px}
.gnb ul{display:flex;gap:4px;list-style:none;margin:0;padding:0 0 6px;overflow-x:auto;scrollbar-width:none}
.gnb a{display:block;color:#dbe6f7;text-decoration:none;padding:6px 10px;border-radius:6px;font-size:15px;white-space:nowrap}
.gnb a:hover{background:var(--navy-2);color:#fff}
.chips-row{display:flex;gap:6px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding-bottom:12px}
.chips-row .chip{flex:0 0 auto}
@media (min-width:720px){.chips-row{flex-wrap:wrap;overflow:visible}}
.chips-row .chip{background:var(--navy-2);color:#cfe0ff;border-color:transparent;font-size:13px}

/* 공통 컴포넌트 */
main{padding-top:14px;padding-bottom:30px}
h1{font-size:24px;line-height:1.4;letter-spacing:-.4px;margin:.3em 0 .5em;color:var(--navy)}
h2{font-size:20px;line-height:1.45;margin:1.8em 0 .6em;color:var(--navy);letter-spacing:-.3px}
h2 a{color:inherit;text-decoration:none}
h3{font-size:17px;margin:1.4em 0 .4em}
.h-sm{font-size:17px;margin:0 0 .5em}
.lead{font-size:17px;color:#33405a}
.muted{color:var(--muted);font-size:14px}
.chip{display:inline-block;border:1px solid var(--line);background:#fff;color:var(--navy);text-decoration:none;padding:4px 10px;border-radius:999px;font-size:14px;line-height:1.5}
.chip.big{padding:7px 14px;font-size:15px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.box,.quick,.answer,.sources,.feedback,.diag-cta,.toc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin:16px 0}
.answer{border-left:5px solid var(--blue);background:#fbfcff;font-size:17px}
.answer p{margin:0}
.quick{border-color:#bcd0f7;background:var(--blue-soft)}
.quick ol{margin:0;padding-left:1.3em}
.quick li{margin:.25em 0}
.callout{border-radius:8px;padding:12px 14px;margin:14px 0;border-left:5px solid}
.callout.warn{background:var(--warn-bg);border-color:var(--warn-line)}
.callout.tip{background:var(--tip-bg);border-color:var(--tip-line)}
.callout strong{margin-right:4px}
.tbl{overflow-x:auto;margin:12px 0;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;min-width:480px;background:#fff;font-size:15px}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
thead th{background:#f0f4fa;color:var(--navy)}
ol.steps{padding-left:1.3em}
ol.steps li{margin:.35em 0}
ul.inline{display:flex;flex-wrap:wrap;gap:6px 16px;padding:0;list-style:none;margin:0}

/* 명령어 블록 */
.cmd{margin:16px 0 22px}
.cmd-note{margin:0 0 6px;font-size:14.5px;color:#34405a}
.cmd-note .tag{display:inline-block;background:#fde9c7;color:#7a4b00;font-size:12px;font-weight:700;padding:1px 7px;border-radius:4px;margin-right:4px}
.cmd-box{position:relative;background:var(--code-bg);border-radius:8px;padding:30px 14px 14px}
.cmd-shell{position:absolute;top:6px;left:12px;color:#8ea2c0;font-size:12px}
.cmd-box pre{margin:0;overflow-x:auto;color:var(--code-text)}
.cmd-box code{background:none;padding:0;color:inherit;font-size:14.5px;line-height:1.7}
.copy{position:absolute;top:6px;right:8px;background:#22324f;color:#e5ecf6;border:1px solid #3a4d70;border-radius:6px;font:inherit;font-size:13px;padding:2px 10px;cursor:pointer}
.copy.done{background:var(--ok);border-color:var(--ok)}

/* 광고: 라벨·래퍼 없이 가운데 정렬, 레이아웃 이동(CLS) 최소화 */
ins.adsbygoogle{display:block;margin:28px auto;min-height:100px;text-align:center;clear:both}
ins.adsbygoogle[data-ad-status="unfilled"]{display:none!important}

/* 글 레이아웃 */
.crumbs ol{display:flex;flex-wrap:wrap;gap:4px;list-style:none;margin:0;padding:0;font-size:13.5px;color:var(--muted)}
.crumbs li:not(:last-child)::after{content:"›";margin-left:6px;color:#9aa4b5}
.crumbs a{color:var(--muted)}
.layout{display:block}
.post{min-width:0}
.post-meta{margin:-.2em 0 0;font-size:14px;color:var(--muted)}
.post-meta::before{content:"적용 ";font-weight:700;color:#3d4a61}
.post-meta span{font-weight:700;color:#3d4a61;margin-right:2px}
.toc summary{font-weight:700;cursor:pointer;color:var(--navy)}
.toc ol{margin:.5em 0 0;padding-left:1.3em}
.content p,.content li{max-width:72ch}
.faq-item{border:1px solid var(--line);background:#fff;border-radius:8px;margin:8px 0}
.faq-item summary{padding:12px 14px;font-weight:700;cursor:pointer;list-style-position:inside}
.faq-item div{padding:0 14px 6px}
.cards{display:grid;grid-template-columns:1fr;gap:10px}
.card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;text-decoration:none;color:var(--text)}
.card:hover{border-color:#9db8ef;box-shadow:0 2px 10px rgba(11,37,69,.06)}
.card-cat{display:block;font-size:12.5px;color:var(--blue);font-weight:700}
.card-title{display:block;font-weight:700;color:var(--navy);line-height:1.5;margin:2px 0}
.card-desc{display:block;font-size:14px;color:var(--muted);line-height:1.6}
.cards.small .card{padding:10px 12px}
.code-list{display:flex;flex-wrap:wrap;gap:6px;list-style:none;padding:0;margin:0 0 8px}
.diag-cta{background:#f3f7ff;border-color:#c9d8f6}
.sources ul{padding-left:1.2em;margin:0}
.feedback{text-align:center}
.fb-q{font-weight:700;margin:0 0 10px}
.fb-btns{display:flex;justify-content:center;gap:10px}
.fb-btns button,.btn-line{border:1px solid var(--blue);background:#fff;color:var(--blue);font:inherit;font-weight:700;padding:8px 18px;border-radius:999px;cursor:pointer;text-decoration:none;display:inline-block}
.fb-btns button:hover{background:var(--blue);color:#fff}
.side{margin-top:24px}
.side-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;margin-bottom:14px}
.side-h{font-weight:800;color:var(--navy);margin:0 0 8px}

/* 홈 */
.hero{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 16px;margin-top:6px}
.hero h1{font-size:23px}
.search.big{order:0;margin:14px 0}
.search.big input{border:2px solid var(--blue);border-right:0;height:50px;font-size:16px}
.search.big button{height:50px}
.hub-tiles,.diag-tiles{display:grid;grid-template-columns:1fr;gap:10px}
.hub-tile,.diag-tile{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;text-decoration:none;color:var(--text)}
.hub-tile b{display:block;color:var(--navy);font-size:17px}
.hub-tile span{font-size:14px;color:var(--muted)}
.diag-tile{font-weight:700;color:var(--navy);border-left:5px solid var(--blue)}
.diag-home{background:var(--navy);color:#fff;border-radius:14px;padding:18px 16px}
.diag-home h2{color:#fff;margin-top:0}
.latest{padding-left:1.2em}
.latest time{color:var(--muted);font-size:13px;margin-left:6px}
.hub-head{margin-bottom:6px}
.hub-sub{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:4px 16px 10px;margin:14px 0}
.hub-sub h2{font-size:18px;margin-top:12px}

/* 자가진단 */
.diag-app{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 16px;margin:16px 0;min-height:220px}
.diag-q{font-size:19px;font-weight:800;color:var(--navy);margin:0 0 12px}
.diag-help{color:var(--muted);font-size:14px;margin:-6px 0 12px}
.diag-opts{display:grid;gap:8px}
.diag-opts button{text-align:left;border:1px solid #c9d6ee;background:#f7faff;border-radius:10px;padding:12px 14px;font:inherit;font-weight:600;color:var(--navy);cursor:pointer}
.diag-opts button:hover{border-color:var(--blue);background:var(--blue-soft)}
.diag-progress{display:flex;gap:4px;margin-bottom:12px}
.diag-progress i{flex:1;height:5px;border-radius:3px;background:#dde5f2}
.diag-progress i.on{background:var(--blue)}
.diag-result h2{margin-top:0}
.diag-result .links a{display:block;margin:6px 0;font-weight:700}
.diag-nav{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}
.diag-nav button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 12px;font:inherit;cursor:pointer}
.diag-static h3{font-size:16px}
.code-filter{display:flex;align-items:center;gap:8px;margin:12px 0}
.code-filter input{flex:1;height:40px;border:1px solid #c5cfdf;border-radius:8px;padding:0 10px;font:inherit}

/* 푸터·모바일 하단 바 */
.site-foot{background:#0a1f3a;color:#b8c6dc;font-size:14px;padding:24px 0 30px;margin-top:20px}
.site-foot a{color:#dbe6f7}
.foot-links{display:flex;flex-wrap:wrap;gap:6px 14px;list-style:none;padding:0}
.foot-note{font-size:13px;color:#93a3bd}
.mbar{position:fixed;left:0;right:0;bottom:0;display:flex;background:#fff;border-top:1px solid var(--line);z-index:5}
.mbar a{flex:1;text-align:center;padding:12px 0;color:var(--navy);font-weight:700;text-decoration:none;font-size:14px}
.plain h2{font-size:19px}
.contact-mail{font-size:18px;font-weight:700}

@media (min-width:720px){
  body{padding-bottom:0}
  .mbar{display:none}
  h1{font-size:28px}
  .hero{padding:32px}
  .hero h1{font-size:30px}
  .search{flex:1 1 auto;order:0;max-width:520px}
  .btn-diag{margin-left:0}
  .cards{grid-template-columns:1fr 1fr}
  .hub-tiles{grid-template-columns:repeat(3,1fr)}
  .diag-tiles{grid-template-columns:1fr 1fr}
}
@media (min-width:1024px){
  .layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}
  .side{margin-top:16px;position:sticky;top:12px}
  .side .cards{grid-template-columns:1fr}
  .hub-tiles{grid-template-columns:repeat(5,1fr)}
}
@media print{.site-head,.site-foot,.mbar,ins.adsbygoogle,.side,.feedback{display:none!important}}

/* ── 모바일 정리 (719px 이하) ── */
@media (max-width:719px){
  .head-row{padding-top:10px;padding-bottom:8px;gap:8px}
  .logo{font-size:18px}
  .btn-diag{font-size:13px;padding:5px 12px}
  .search input{height:40px;font-size:14px}
  .search button{height:40px;padding:0 14px;font-size:14px}
  /* 카테고리 메뉴: 잘리지 않게 3칸 × 2줄 버튼 */
  .gnb ul{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:2px 0 12px;overflow:visible}
  .gnb a{text-align:center;background:var(--navy-2);color:#e6eefb;font-size:14px;padding:8px 2px;border-radius:8px}
  /* 오류코드 칩 줄은 모바일에서 숨김(홈·오류코드 페이지에서 제공) */
  .chips-row{display:none}
  main{padding-top:16px}
  /* 브레드크럼 마지막(제목 반복) 숨김 */
  .crumbs ol{font-size:13px}
  .crumbs li[aria-current]{display:none}
  .crumbs li:nth-last-child(2)::after{content:none}
  h1{font-size:21px;line-height:1.5;margin:.6em 0 .8em}
  h2{font-size:19px;margin:2.2em 0 .7em}
  .h-sm{font-size:16px}
  .answer{font-size:16px;line-height:1.8;padding:16px}
  .box,.quick,.sources,.feedback,.diag-cta,.toc{padding:16px 14px;margin:22px 0}
  .quick li,.content li{margin:.45em 0}
  .content p{margin:0 0 1.1em}
  .cards{gap:12px}
  .hero{padding:20px 16px}
  .hero h1{font-size:21px}
  .lead{font-size:16px}
  .chip.big{font-size:14px;padding:6px 12px}
  .cmd-box code{font-size:13.5px}
}