@charset "UTF-8";
/* ============================================================
   PGB&Company Tech Blog — Tistory-like layout
   ============================================================ */
:root{
  --navy-900:#0A1628; --navy-800:#0E1F38;
  --brand-700:#1743B8; --brand-600:#1D50D8; --brand-500:#2E63EE;
  --brand-50:#EEF3FE; --brand-100:#DCE6FD;
  --ink:#0B1728; --ink-2:#1E293B; --body:#3F4E63; --muted:#7A8798;
  --line:#E4E9F0; --line-2:#EEF1F6;
  --bg:#FFFFFF; --bg-soft:#F6F8FC; --bg-tint:#FAFBFE;
  --r-sm:6px; --r:10px; --r-lg:16px;
  --sh-1:0 1px 2px rgba(11,23,40,.05);
  --sh-2:0 2px 8px rgba(11,23,40,.06),0 1px 2px rgba(11,23,40,.04);
  --sh-3:0 12px 32px rgba(11,23,40,.10),0 2px 8px rgba(11,23,40,.05);
  --max:1300px; --nav-h:64px;
  --font:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,system-ui,"Segoe UI",Roboto,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:92px}
body{margin:0;font-family:var(--font);color:var(--body);background:var(--bg-soft);
  font-size:16px;line-height:1.75;letter-spacing:-.011em;word-break:keep-all;overflow-wrap:break-word;
  -webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;letter-spacing:-.028em;line-height:1.34}
p{margin:0}
ul,ol{margin:0;padding:0}
ul{list-style:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:4px}
::selection{background:var(--brand-100);color:var(--navy-900)}
.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------------- header ---------------- */
.bhead{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.bhead__in{display:flex;align-items:center;gap:20px;height:var(--nav-h)}
.blogo{display:flex;align-items:center;gap:9px;font-weight:750;font-size:17px;color:var(--ink);letter-spacing:-.03em;flex:none}
.blogo img{width:26px;height:26px}
.blogo b{font-weight:750}
.blogo em{font-style:normal;font-size:12.5px;font-weight:700;color:var(--brand-600);
  border:1px solid var(--brand-100);background:var(--brand-50);border-radius:5px;padding:1px 6px;margin-left:2px}
.bnav{display:flex;align-items:center;gap:2px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.bnav::-webkit-scrollbar{display:none}
.bnav a{padding:8px 12px;border-radius:8px;font-size:14.5px;font-weight:600;color:var(--ink-2);white-space:nowrap;transition:background-color .16s,color .16s}
.bnav a:hover{background:var(--brand-50);color:var(--brand-700)}
.bnav a.is-on{background:var(--brand-600);color:#fff}
.bhead__cta{flex:none;display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 15px;border-radius:9px;
  background:var(--brand-600);color:#fff;font-size:14px;font-weight:650;box-shadow:0 5px 14px rgba(29,80,216,.24)}
.bhead__cta:hover{background:var(--brand-700)}
@media(max-width:900px){.bhead__cta{display:none}}

/* ---------------- layout ---------------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 304px;gap:36px;align-items:start;padding:32px 0 72px}
@media(max-width:1040px){.layout{grid-template-columns:1fr;gap:28px}}

/* ---------------- breadcrumb ---------------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--muted);margin-bottom:14px}
.crumb a:hover{color:var(--brand-600)}
.crumb span{color:#C3CCD9}

/* ---------------- article card ---------------- */
.post{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);overflow:hidden}
.post__cover{position:relative;background:linear-gradient(135deg,var(--navy-900),var(--brand-700));padding:34px 34px 30px;color:#fff}
.post__cover::after{content:"";position:absolute;inset:0;background:
  radial-gradient(600px 200px at 88% 0%,rgba(110,160,255,.28),transparent 70%);pointer-events:none}
.post__cat{position:relative;display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:750;
  letter-spacing:.1em;text-transform:uppercase;color:#9FBEFF}
.post__cat::before{content:"";width:16px;height:1.5px;background:#9FBEFF;border-radius:2px}
.post__title{position:relative;margin-top:14px;color:#fff;font-size:clamp(25px,3.4vw,37px);line-height:1.28}
.post__sub{position:relative;margin-top:14px;color:#C6D7FF;font-size:16px;max-width:62ch}
.post__meta{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin-top:22px;
  font-size:13.5px;color:#AFC4EC}
.post__meta b{color:#fff;font-weight:600}
.post__meta i{font-style:normal;color:#5D7BB5}

.post__body{padding:34px}
@media(max-width:640px){.post__cover{padding:26px 20px}.post__body{padding:24px 20px}}

/* ---------------- TOC ---------------- */
.toc{border:1px solid var(--line);background:var(--bg-tint);border-radius:12px;padding:18px 20px;margin-bottom:34px}
.toc__t{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:750;color:var(--ink)}
.toc ol{margin:12px 0 0;padding-left:19px;font-size:14.6px;color:var(--body);line-height:2}
.toc a:hover{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}

/* ---------------- prose ---------------- */
.prose{font-size:16.6px;line-height:1.95;color:var(--body)}
.prose > p{margin:0 0 20px}
.prose h2{margin:48px 0 16px;font-size:24.5px;padding-top:8px;position:relative}
.prose h2::before{content:"";display:block;width:34px;height:3px;border-radius:2px;background:var(--brand-600);margin-bottom:14px}
.prose h3{margin:32px 0 10px;font-size:19px;color:var(--ink-2)}
.prose h2:first-child{margin-top:0}
.prose strong{color:var(--ink);font-weight:700}
.prose a:not(.btn){color:var(--brand-600);font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose ul.dot{margin:0 0 20px;display:grid;gap:9px}
.prose ul.dot li{position:relative;padding-left:19px}
.prose ul.dot li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--brand-500)}
.prose ol.num{margin:0 0 20px;padding-left:21px;display:grid;gap:9px}
.prose ol.num li::marker{color:var(--brand-600);font-weight:700}

.callout{border:1px solid var(--brand-100);background:var(--brand-50);border-radius:12px;padding:18px 20px;margin:0 0 24px}
.callout__t{display:flex;align-items:center;gap:8px;font-weight:750;color:var(--brand-700);font-size:15px;margin-bottom:7px}
.callout p{font-size:15.4px;color:#2C4A86;line-height:1.85}
.callout ul{margin-top:8px;display:grid;gap:6px}
.callout li{position:relative;padding-left:18px;font-size:15.2px;color:#2C4A86}
.callout li::before{content:"✓";position:absolute;left:0;color:var(--brand-600);font-weight:800;font-size:13px}

blockquote{margin:0 0 24px;padding:4px 0 4px 20px;border-left:3px solid var(--brand-500);
  color:var(--ink-2);font-size:17px;line-height:1.85;font-weight:500}

/* ---------------- media ---------------- */
figure{margin:0 0 26px}
.shot{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;box-shadow:var(--sh-2)}
.shot__bar{display:flex;align-items:center;gap:6px;padding:9px 13px;background:#F7F9FC;border-bottom:1px solid var(--line-2)}
.shot__dot{width:8px;height:8px;border-radius:50%;background:#D6DEE9}
.shot__url{margin-left:8px;font-size:11.5px;color:var(--muted);letter-spacing:-.01em}
figcaption{margin-top:10px;font-size:13.6px;color:var(--muted);text-align:center}

.videobox{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#0A1628;box-shadow:var(--sh-3)}
.videobox video{width:100%;height:auto;display:block;background:#0A1628}
.video-note{margin-top:10px;font-size:13.6px;color:var(--muted);text-align:center}

.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px;margin:0 0 26px}
.gcard{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;box-shadow:var(--sh-1);
  transition:transform .18s,box-shadow .18s;cursor:zoom-in;text-align:left;padding:0;font:inherit;color:inherit;display:block;width:100%}
.gcard:hover{transform:translateY(-2px);box-shadow:var(--sh-3)}
.gcard img{aspect-ratio:16/10;object-fit:cover;object-position:top center;width:100%}
.gcard span{display:block;padding:9px 11px;font-size:12.8px;font-weight:600;color:var(--ink-2);border-top:1px solid var(--line-2)}

/* lightbox */
.lb{position:fixed;inset:0;z-index:120;background:rgba(6,12,24,.93);display:none;align-items:center;justify-content:center;padding:32px}
.lb.is-open{display:flex}
.lb img{max-width:min(1400px,94vw);max-height:84vh;border-radius:8px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lb__cap{position:absolute;bottom:22px;left:0;right:0;text-align:center;color:#D3DEF0;font-size:14px}
.lb__x,.lb__nav{position:absolute;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  color:#fff;border-radius:50%;width:44px;height:44px;display:grid;place-items:center;cursor:pointer}
.lb__x{top:20px;right:20px}
.lb__nav:hover,.lb__x:hover{background:rgba(255,255,255,.2)}
.lb__prev{left:18px;top:50%;transform:translateY(-50%)}
.lb__next{right:18px;top:50%;transform:translateY(-50%)}

/* ---------------- table ---------------- */
.tbl{width:100%;border-collapse:collapse;margin:0 0 26px;font-size:15.2px;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.tbl th,.tbl td{padding:12px 14px;border-bottom:1px solid var(--line-2);text-align:left;vertical-align:top}
.tbl thead th{background:var(--bg-tint);color:var(--ink);font-weight:700;font-size:14.4px;white-space:nowrap}
.tbl tbody tr:last-child td{border-bottom:0}
.tbl td b{color:var(--ink)}
.tbl-scroll{overflow-x:auto;margin:0 0 26px}
.tbl-scroll .tbl{margin:0;min-width:520px}

/* ---------------- faq ---------------- */
.qa{border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:0 0 26px}
.qa details{border-bottom:1px solid var(--line-2);background:#fff}
.qa details:last-child{border-bottom:0}
.qa summary{list-style:none;cursor:pointer;padding:16px 46px 16px 18px;position:relative;
  font-weight:650;color:var(--ink);font-size:15.8px}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"";position:absolute;right:18px;top:24px;width:9px;height:9px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform .2s}
.qa details[open] summary::after{transform:rotate(-135deg)}
.qa details p{padding:0 18px 17px;font-size:15.4px;color:var(--body);line-height:1.9}

/* ---------------- cta ---------------- */
.postcta{margin-top:44px;border-radius:14px;padding:28px;color:#fff;
  background:linear-gradient(135deg,var(--navy-900),var(--brand-700))}
.postcta h3{color:#fff;font-size:21px}
.postcta p{margin-top:9px;color:#C6D7FF;font-size:15.2px}
.postcta div{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:46px;padding:0 20px;
  border-radius:10px;font-size:15px;font-weight:650;transition:transform .16s,box-shadow .16s,background-color .16s}
.btn--light{background:#fff;color:var(--navy-900)}
.btn--light:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(0,0,0,.25)}
.btn--onDark{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.26)}
.btn--onDark:hover{background:rgba(255,255,255,.18)}
.btn--primary{background:var(--brand-600);color:#fff;box-shadow:0 6px 16px rgba(29,80,216,.24)}
.btn--primary:hover{background:var(--brand-700);transform:translateY(-1px)}
.btn--ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn--ghost:hover{border-color:#C6D2E4}

/* ---------------- tags / footer nav ---------------- */
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line-2)}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:99px;background:var(--bg-soft);
  border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--body)}
.tag::before{content:"#";color:var(--brand-500);margin-right:3px;font-weight:800}
.tag:hover{background:var(--brand-50);border-color:var(--brand-100);color:var(--brand-700)}

.pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:26px}
@media(max-width:640px){.pager{grid-template-columns:1fr}}
.pager a{border:1px solid var(--line);border-radius:12px;padding:15px 17px;background:#fff;box-shadow:var(--sh-1);transition:border-color .16s,box-shadow .16s}
.pager a:hover{border-color:#C6D2E4;box-shadow:var(--sh-2)}
.pager small{display:block;font-size:12px;font-weight:700;color:var(--brand-600);letter-spacing:.06em;text-transform:uppercase}
.pager b{display:block;margin-top:5px;font-size:15.2px;color:var(--ink);font-weight:650;line-height:1.5}
.pager .next{text-align:right}

.related{margin-top:34px}
.related h3{font-size:18px;margin-bottom:14px}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.rel{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;box-shadow:var(--sh-1);transition:transform .18s,box-shadow .18s}
.rel:hover{transform:translateY(-2px);box-shadow:var(--sh-3)}
.rel img{aspect-ratio:16/9;object-fit:cover;object-position:top center}
.rel div{padding:13px 14px}
.rel small{font-size:11.6px;font-weight:750;color:var(--brand-600);letter-spacing:.06em;text-transform:uppercase}
.rel b{display:block;margin-top:5px;font-size:14.6px;color:var(--ink);font-weight:650;line-height:1.55}

/* ---------------- sidebar ---------------- */
.side{position:sticky;top:88px;display:grid;gap:16px}
@media(max-width:1040px){.side{position:static}}
.swidget{background:#fff;border:1px solid var(--line);border-radius:14px;padding:19px;box-shadow:var(--sh-1)}
.swidget h4{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:13px}
.profile{text-align:center;padding:24px 19px}
.profile img{width:56px;height:56px;margin:0 auto 12px}
.profile b{display:block;font-size:16.5px;color:var(--ink);font-weight:750}
.profile span{display:block;margin-top:6px;font-size:13.6px;color:var(--muted);line-height:1.7}
.profile a{display:inline-flex;align-items:center;justify-content:center;margin-top:14px;height:38px;padding:0 16px;
  border-radius:9px;background:var(--brand-600);color:#fff;font-size:13.8px;font-weight:650}
.profile a:hover{background:var(--brand-700)}
.cats li a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;border-radius:8px;
  font-size:14.4px;font-weight:600;color:var(--ink-2)}
.cats li a:hover{background:var(--brand-50);color:var(--brand-700)}
.cats li a.is-on{background:var(--brand-600);color:#fff}
.cats em{font-style:normal;font-size:12px;color:var(--muted)}
.cats li a.is-on em{color:#C6D7FF}
.recent li{border-bottom:1px solid var(--line-2)}
.recent li:last-child{border-bottom:0}
.recent a{display:block;padding:11px 2px;font-size:14.4px;color:var(--ink-2);font-weight:600;line-height:1.6}
.recent a:hover{color:var(--brand-600)}
.recent small{display:block;font-size:12px;color:var(--muted);font-weight:500;margin-top:3px}
.sidecta{background:linear-gradient(140deg,var(--navy-900),var(--brand-700));border:0;color:#fff}
.sidecta h4{color:#9FBEFF}
.sidecta p{font-size:14.4px;color:#C6D7FF;line-height:1.8}
.sidecta a{display:flex;align-items:center;justify-content:center;margin-top:14px;height:42px;border-radius:9px;
  background:#fff;color:var(--navy-900);font-size:14.4px;font-weight:700}

/* ---------------- blog index ---------------- */
.bhero{background:linear-gradient(135deg,var(--navy-900),var(--brand-700));color:#fff;padding:52px 0 46px;position:relative;overflow:hidden}
.bhero::after{content:"";position:absolute;inset:0;background:radial-gradient(700px 240px at 82% 0%,rgba(110,160,255,.3),transparent 70%)}
.bhero__in{position:relative}
.bhero h1{color:#fff;font-size:clamp(27px,3.6vw,38px)}
.bhero p{margin-top:14px;color:#C6D7FF;font-size:16.4px;max-width:66ch}
.bhero ul{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.bhero li{font-size:13px;font-weight:600;color:#DCE7FF;border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.08);border-radius:99px;padding:5px 13px}
.plist{display:grid;gap:18px}
.pcard{display:grid;grid-template-columns:288px minmax(0,1fr);background:#fff;border:1px solid var(--line);
  border-radius:14px;overflow:hidden;box-shadow:var(--sh-1);transition:transform .18s,box-shadow .18s,border-color .18s}
.pcard:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:#CDD9EA}
@media(max-width:720px){.pcard{grid-template-columns:1fr}}
.pcard img{height:100%;min-height:172px;object-fit:cover;object-position:top center}
.pcard__b{padding:20px 22px}
.pcard__c{display:inline-flex;align-items:center;gap:6px;font-size:11.6px;font-weight:750;letter-spacing:.08em;
  text-transform:uppercase;color:var(--brand-600)}
.pcard h2{margin-top:9px;font-size:19.5px;line-height:1.45}
.pcard p{margin-top:9px;font-size:14.9px;color:var(--body);line-height:1.78;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.pcard__m{display:flex;flex-wrap:wrap;gap:6px 12px;margin-top:13px;font-size:12.8px;color:var(--muted)}
.pcard__m b{color:var(--ink-2);font-weight:600}

/* ---------------- footer ---------------- */
.bfoot{background:var(--navy-900);color:#93A6C4;padding:40px 0 34px;font-size:13.6px;line-height:1.85}
.bfoot a{color:#C6D7FF}
.bfoot a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.bfoot__nav{display:flex;flex-wrap:wrap;gap:8px 18px;margin-bottom:18px;font-weight:600}
.bfoot__legal{margin-top:16px;font-size:12px;color:#6B7F9E;line-height:1.8;max-width:80ch}

/* ============================================================
   모바일 최적화
   ── 900px : 헤더 2단 분리 / 카테고리 가로 스크롤
   ── 720px : 본문·카드·라이트박스 재구성
   ── 480px : 소형 단말 밀도 조정
   ============================================================ */

/* 터치 기기 — hover 이동 효과 제거 (탭 시 잔상 방지) */
@media (hover:none){
  .gcard:hover,.rel:hover,.pcard:hover,.pager a:hover{transform:none;box-shadow:var(--sh-1)}
  .bnav a:hover{background:transparent;color:var(--ink-2)}
  .bnav a.is-on:hover{background:var(--brand-600);color:#fff}
}
body{-webkit-tap-highlight-color:rgba(29,80,216,.14)}

/* 표 가로 스크롤 그림자 힌트 */
.tbl-scroll{
  -webkit-overflow-scrolling:touch;
  background:
    linear-gradient(to right,#fff 30%,rgba(255,255,255,0)),
    linear-gradient(to left,#fff 30%,rgba(255,255,255,0)) 100% 0,
    radial-gradient(farthest-side at 0 50%,rgba(11,23,40,.16),rgba(11,23,40,0)),
    radial-gradient(farthest-side at 100% 50%,rgba(11,23,40,.16),rgba(11,23,40,0)) 100% 0;
  background-repeat:no-repeat;
  background-size:36px 100%,36px 100%,14px 100%,14px 100%;
  background-attachment:local,local,scroll,scroll;
}

/* ---------------- ≤ 900px : 헤더 2단 ---------------- */
@media (max-width:900px){
  html{scroll-padding-top:126px}
  .bhead__in{flex-wrap:wrap;height:auto;min-height:56px;padding-block:9px;gap:8px 12px}
  .blogo{font-size:15.5px;gap:7px}
  .blogo img{width:23px;height:23px}
  .blogo em{font-size:11px;padding:1px 5px}
  .bnav{
    order:3;flex-basis:100%;margin-left:0;gap:3px;
    margin-inline:-20px;padding:1px 20px 3px;
    -webkit-overflow-scrolling:touch;
    scroll-snap-type:x proximity;
  }
  .bnav a{padding:7px 11px;font-size:13.6px;scroll-snap-align:start}
  .layout{padding:20px 0 54px;gap:24px}
}

/* ---------------- ≤ 720px : 본문 ---------------- */
@media (max-width:720px){
  .wrap{padding-inline:16px}
  .bnav{margin-inline:-16px;padding-inline:16px}

  /* 블로그 홈 히어로 */
  .bhero{padding:32px 0 28px}
  .bhero p{margin-top:11px;font-size:15.3px}
  .bhero ul{gap:6px;margin-top:16px}
  .bhero li{font-size:12px;padding:4px 10px}

  .crumb{font-size:12.4px;margin-bottom:11px;gap:5px}

  /* 글 헤더 */
  .post{border-radius:12px}
  .post__cover{padding:22px 17px}
  .post__cat{font-size:11px}
  .post__title{font-size:22.5px;line-height:1.35;margin-top:11px}
  .post__sub{margin-top:11px;font-size:14.8px}
  .post__meta{margin-top:16px;font-size:12.4px;gap:4px 9px}
  .post__body{padding:20px 17px 26px}

  /* 목차 */
  .toc{padding:15px 16px;margin-bottom:26px;border-radius:10px}
  .toc ol{margin-top:10px;padding-left:17px;font-size:14px;line-height:1.85}

  /* 본문 타이포 */
  .prose{font-size:16px;line-height:1.85}
  .prose > p{margin-bottom:17px}
  .prose h2{margin:36px 0 13px;font-size:20.5px}
  .prose h2::before{width:28px;margin-bottom:11px}
  .prose h3{margin:26px 0 9px;font-size:17.4px}
  blockquote{margin-bottom:20px;padding-left:15px;font-size:15.6px}
  .callout{padding:15px 16px;margin-bottom:20px;border-radius:10px}
  .callout__t{font-size:14.4px}
  .callout p,.callout li{font-size:14.6px;line-height:1.8}

  /* 이미지·갤러리 */
  figure{margin-bottom:20px}
  figcaption{margin-top:8px;font-size:12.6px}
  .shot{border-radius:10px}
  .shot__bar{padding:7px 11px}
  .shot__url{font-size:10.5px}
  .gallery{grid-template-columns:1fr 1fr;gap:9px;margin-bottom:20px}
  .gcard{border-radius:9px}
  .gcard span{padding:7px 9px;font-size:11.6px;line-height:1.45}
  .videobox{border-radius:10px}
  .video-note{font-size:12.6px}

  /* 표 */
  .tbl-scroll{margin-bottom:20px}
  .tbl-scroll .tbl{min-width:460px}
  .tbl{font-size:14.4px}
  .tbl th,.tbl td{padding:10px 12px}
  .tbl thead th{font-size:13.4px}

  /* FAQ */
  .qa{margin-bottom:20px;border-radius:10px}
  .qa summary{padding:14px 40px 14px 15px;font-size:15px}
  .qa summary::after{right:15px;top:21px}
  .qa details p{padding:0 15px 15px;font-size:14.6px}

  /* CTA — 버튼 full width */
  .postcta{margin-top:32px;padding:22px 18px;border-radius:12px}
  .postcta h3{font-size:18.5px}
  .postcta p{margin-top:8px;font-size:14.4px}
  .postcta div{gap:8px;margin-top:15px}
  .postcta .btn{width:100%;height:48px}

  .tags{margin-top:26px;padding-top:20px;gap:6px}
  .tag{height:28px;padding:0 10px;font-size:12.4px}

  /* 이전·다음 글 */
  .pager{margin-top:20px;gap:9px}
  .pager a{padding:13px 15px;border-radius:10px}
  .pager b{margin-top:4px;font-size:14.4px}
  .pager small{font-size:11.4px}

  /* 관련 글 — 가로형 카드로 전환 */
  .related{margin-top:28px}
  .related h3{font-size:16.5px;margin-bottom:11px}
  .rel-grid{grid-template-columns:1fr;gap:9px}
  .rel{display:grid;grid-template-columns:108px minmax(0,1fr);align-items:stretch;border-radius:10px}
  .rel img{aspect-ratio:auto;height:100%;min-height:78px}
  .rel div{padding:11px 13px;display:flex;flex-direction:column;justify-content:center}
  .rel small{font-size:10.8px}
  .rel b{margin-top:4px;font-size:13.8px;line-height:1.5}

  /* 사이드바 — 카테고리를 칩으로 압축 */
  .side{gap:12px}
  .swidget{padding:16px;border-radius:12px}
  .swidget h4{font-size:12px;margin-bottom:11px}
  .profile{padding:20px 16px}
  .profile img{width:48px;height:48px;margin-bottom:10px}
  .profile b{font-size:15.5px}
  .profile span{font-size:13px}
  .cats{display:flex;flex-wrap:wrap;gap:6px}
  .cats li a{padding:8px 12px;border:1px solid var(--line);border-radius:99px;font-size:13.2px}
  .cats li a.is-on{border-color:var(--brand-600)}
  .cats em{display:none}
  .recent a{padding:12px 2px;min-height:44px;font-size:14px}
  .sidecta p{font-size:13.8px}

  /* 블로그 홈 카드 */
  .plist{gap:13px}
  .pcard{border-radius:12px}
  .pcard img{min-height:0;aspect-ratio:16/9}
  .pcard__b{padding:16px 17px}
  .pcard__c{font-size:11px}
  .pcard h2{margin-top:7px;font-size:17.4px;line-height:1.45}
  .pcard p{margin-top:8px;font-size:14.2px}
  .pcard__m{margin-top:11px;font-size:12px}

  /* 라이트박스 — 버튼을 하단 중앙으로 */
  .lb{padding:10px}
  .lb img{max-width:100%;max-height:68vh}
  .lb__x{top:10px;right:10px;width:40px;height:40px}
  .lb__nav{top:auto;bottom:14px;transform:none;width:46px;height:46px}
  .lb__prev{left:calc(50% - 64px)}
  .lb__next{right:calc(50% - 64px)}
  .lb__cap{bottom:76px;padding:0 14px;font-size:12.8px}

  /* 푸터 */
  .bfoot{padding:30px 0 28px;font-size:13px}
  .bfoot__nav{gap:7px 14px;margin-bottom:14px}
  .bfoot__legal{font-size:11.6px}
}

/* ---------------- ≤ 560px : 갤러리 1단 ---------------- */
@media (max-width:560px){
  .gallery{grid-template-columns:1fr}
  .gcard img{aspect-ratio:16/9}
  .gcard span{font-size:12.4px;padding:8px 11px}
}

/* ---------------- ≤ 480px : 소형 단말 ---------------- */
@media (max-width:480px){
  .wrap{padding-inline:14px}
  .bnav{margin-inline:-14px;padding-inline:14px}
  .post__cover{padding:20px 15px}
  .post__title{font-size:21px}
  .post__body{padding:18px 15px 24px}
  .prose{font-size:15.7px}
  .prose h2{font-size:19.4px}
  .prose h3{font-size:16.8px}
  .tbl{font-size:13.8px}
  .tbl th,.tbl td{padding:9px 11px}
  .rel{grid-template-columns:94px minmax(0,1fr)}
  .bhero h1{font-size:24px}
  .lb__cap{font-size:12px}
}

/* ---------------- 가로 모드(낮은 높이) ---------------- */
@media (max-height:520px) and (orientation:landscape){
  .lb img{max-height:74vh}
  .lb__nav{top:50%;bottom:auto;transform:translateY(-50%);width:40px;height:40px}
  .lb__prev{left:10px}
  .lb__next{right:10px}
  .lb__cap{bottom:10px}
}

/* ============================================================
   본문 최상단 데모 영상 섹션
   ============================================================ */
.prose > section#sec-video{margin:0 0 8px}
.prose > section#sec-video > h2:first-child{margin-top:0}
.prose > section#sec-video + p{margin-top:0}

/* ============================================================
   가로 스크롤 차단 (모바일)
   overflow:clip 은 스크롤 컨테이너를 만들지 않으므로
   sticky 헤더가 그대로 동작한다.
   ============================================================ */
html{overflow-x:clip}
body{overflow-x:clip;max-width:100%}

/* grid/flex 자식이 내용 최소폭 때문에 밀려나는 것 방지 */
main,.layout,.post,.post__body,.prose,.side,.swidget,
.pcard,.pcard__b,.rel,.rel div,.pager a,.gcard{min-width:0}

/* 긴 URL·영문 토큰이 넘치지 않도록 */
.prose a:not(.btn),.crumb,.bfoot,.pcard p,.rel b,.pager b{overflow-wrap:anywhere}

/* 미디어 요소 상한 */
img,video,iframe,table{max-width:100%}

/* 카테고리 바 — 음수 마진만큼 폭을 되돌려 화면에 정확히 맞춤.
   flex-basis 가 width 보다 우선하므로 basis 를 auto 로 되돌린다. */
@media (max-width:900px){
  .bnav{flex:0 0 auto;flex-basis:auto;width:calc(100% + 40px);max-width:none}
}
@media (max-width:720px){
  .bnav{width:calc(100% + 32px)}
}
@media (max-width:480px){
  .bnav{width:calc(100% + 28px)}
}