/* Rito0223 블로그 공통 스타일 (메인 B 디자인과 같은 톤) */
:root{
  --bg:#0B0C14;--card:#12131E;--card2:#1A1B28;--line:#26283A;--line2:#34364C;
  --text:#ECEDF5;--sub:#B4B7CC;--muted:#9A9DB3;--white:#FFFFFF;
  --accent:#C5F25A;--pink:#FF73FA;--kakao:#FEE500;
  --mono:'JetBrains Mono',ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:'Noto Sans KR',system-ui,sans-serif;word-break:keep-all;line-height:1.6}
a{color:#C9CBDA}a:hover{color:var(--white)}
img{max-width:100%}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:12px;z-index:100;background:var(--accent);color:#0B0C14;padding:8px 12px;border-radius:8px}

/* ---------- 헤더 ---------- */
.hd{position:sticky;top:0;z-index:40;background:rgba(11,12,20,.86);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid #1F2133}
.hd-in{max-width:1200px;margin:0 auto;padding:10px 24px;min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px;min-height:44px;text-decoration:none;color:var(--white) !important}
.brand-logo{--h:40px;display:block;height:var(--h);overflow:hidden;flex-shrink:0}
.brand .brand-logo img{display:block;height:calc(var(--h) * 1.43);width:auto;margin-top:calc(var(--h) * -0.04)}
.brand-txt{font-family:var(--mono);font-weight:700;font-size:19px;letter-spacing:-.02em}
.brand-txt span{color:var(--accent)}
.hd-nav{display:flex;gap:4px 26px;font-size:15px}
.hd-nav a{text-decoration:none;padding:10px 0}
.hd-nav a[aria-current="page"]{color:var(--accent)}
.hd-right{display:flex;align-items:center;gap:8px}
.hd-burger{display:none;width:44px;height:44px;border:1px solid var(--line2);border-radius:10px;background:transparent;color:var(--white);align-items:center;justify-content:center;cursor:pointer}
.hd-burger path{transition:transform .2s ease,opacity .2s ease;transform-origin:12px 12px}
.hd-burger[aria-expanded="true"] .hb1{transform:translateY(5px) rotate(45deg)}
.hd-burger[aria-expanded="true"] .hb2{opacity:0}
.hd-burger[aria-expanded="true"] .hb3{transform:translateY(-5px) rotate(-45deg)}

/* 문의하기 말풍선 */
.ask{position:relative}
#askBtn{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 16px 0 18px;border:0;border-radius:10px;background:var(--accent);color:#0B0C14;font-family:inherit;font-weight:700;font-size:15px;cursor:pointer}
#askBtn:focus-visible{outline:2px solid var(--white);outline-offset:3px}
.ask-chev{transition:transform .2s ease}
#askBtn[aria-expanded="true"] .ask-chev{transform:rotate(180deg)}
.ask-menu{position:absolute;right:0;top:calc(100% + 12px);z-index:50;width:280px;padding:12px;border-radius:18px;background:var(--card2);border:1px solid var(--line2);box-shadow:0 20px 44px rgba(0,0,0,.5);transform-origin:calc(100% - 28px) -8px}
.ask-menu[hidden]{display:none}
.ask-menu:not([hidden]){animation:askIn .22s cubic-bezier(.3,1.4,.5,1)}
.ask-menu::before{content:'';position:absolute;top:-7px;right:24px;width:12px;height:12px;background:var(--card2);border-left:1px solid var(--line2);border-top:1px solid var(--line2);transform:rotate(45deg)}
.ask-title{margin:2px 6px 10px;font-size:13px;font-weight:700;color:var(--muted)}
.ask-item{display:flex;align-items:center;gap:12px;min-height:60px;padding:10px;border-radius:12px;color:var(--text) !important;text-decoration:none}
.ask-item + .ask-item{margin-top:4px}
.ask-item:hover,.ask-item:focus-visible{background:var(--line);outline:none}
.ask-ico{flex-shrink:0;width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center}
.ask-txt{flex:1 1 auto;display:flex;flex-direction:column;gap:2px}
.ask-txt b{font-size:15px}
.ask-txt small{font-size:12.5px;color:var(--muted)}
.ask-go{flex-shrink:0;color:#6B6E85}
@keyframes askIn{from{opacity:0;transform:translateY(-6px) scale(.92)}to{opacity:1;transform:none}}

/* ---------- 공통 레이아웃 ---------- */
.bl-wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.crumb{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 18px;font-size:13px;color:var(--muted)}
.crumb a{text-decoration:none;color:var(--muted)}
.crumb a:hover{color:var(--white)}
.chip{display:inline-flex;align-items:center;min-height:30px;padding:0 12px;border-radius:999px;background:color-mix(in srgb,var(--accent) 12%,var(--bg));border:1px solid color-mix(in srgb,var(--accent) 35%,var(--bg));color:var(--accent);font-size:13px;font-weight:700}

/* ---------- 블로그 목록 ---------- */
.bl-hero{padding:64px 0 28px}
.bl-hero .kicker{margin:0 0 10px;font-family:var(--mono);font-size:13px;color:var(--accent)}
.bl-hero h1{margin:0;font-size:clamp(34px,4.6vw,56px);line-height:1.2;font-weight:900;letter-spacing:-.04em;color:var(--white)}
.bl-hero h1 span{color:var(--accent)}
.bl-hero .lead{margin:16px 0 0;max-width:640px;font-size:17px;line-height:1.75;color:var(--sub)}
.cat-bar{display:flex;gap:8px;overflow-x:auto;padding:4px 0 24px;scrollbar-width:none}
.cat-bar::-webkit-scrollbar{display:none}
.cat-bar button{flex:0 0 auto;min-height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line2);background:transparent;color:var(--sub);font-family:inherit;font-size:14px;font-weight:700;cursor:pointer}
.cat-bar button[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#0B0C14}
.post-grid{list-style:none;margin:0;padding:0 0 72px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.post-grid li[hidden]{display:none}
.post-card{height:100%;display:flex;flex-direction:column;gap:12px;padding:26px;border-radius:20px;background:var(--card);border:1px solid var(--line);text-decoration:none;color:var(--text) !important;transition:transform .2s ease,border-color .2s ease}
.post-card:hover{transform:translateY(-3px);border-color:#4A4D66}
.post-card .chip{align-self:flex-start}
.post-card h2{margin:0;font-size:19px;line-height:1.45;font-weight:700;color:var(--white)}
.post-card p{margin:0;font-size:14.5px;line-height:1.7;color:var(--sub);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-card .pc-meta{margin-top:auto;padding-top:8px;display:flex;gap:10px;font-family:var(--mono);font-size:12px;color:var(--muted)}
.post-grid li.featured{grid-column:1 / -1}
.post-grid li.featured .post-card{padding:36px;background:linear-gradient(135deg,#151626 0%,#12131E 60%);border-color:color-mix(in srgb,var(--accent) 40%,var(--bg))}
.post-grid li.featured .post-card h2{font-size:clamp(22px,2.6vw,30px);letter-spacing:-.02em}
.post-grid li.featured .post-card p{-webkit-line-clamp:2;font-size:16px;max-width:760px}

/* ---------- 글 상세 ---------- */
.post-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:56px;padding:40px 0 72px}
.post{min-width:0;max-width:760px}
.post h1{margin:14px 0 0;font-size:clamp(28px,3.6vw,42px);line-height:1.3;font-weight:900;letter-spacing:-.035em;color:var(--white)}
.post .lead{margin:16px 0 0;font-size:17px;line-height:1.75;color:var(--sub)}
.post .meta{display:flex;flex-wrap:wrap;gap:4px 6px;margin:16px 0 0;padding-bottom:24px;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.tldr{margin:28px 0 8px;padding:22px 24px;border-radius:18px;background:color-mix(in srgb,var(--accent) 7%,var(--bg));border:1px solid color-mix(in srgb,var(--accent) 30%,var(--bg))}
.tldr-h{display:flex;align-items:center;gap:8px;margin:0 0 10px;font-size:15px;font-weight:900;color:var(--accent)}
.tldr ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}
.tldr li{position:relative;padding-left:18px;font-size:15px;line-height:1.7;color:var(--text)}
.tldr li::before{content:'';position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.post-body{font-size:16.5px;line-height:1.85;color:#DADCE8}
.post-body h2{margin:52px 0 14px;font-size:clamp(22px,2.4vw,27px);line-height:1.4;font-weight:900;letter-spacing:-.02em;color:var(--white)}
.post-body h3{margin:32px 0 10px;font-size:19px;font-weight:700;color:var(--white)}
.post-body p{margin:0 0 16px}
.post-body strong{color:var(--white)}
.post-body a{color:var(--accent);text-underline-offset:3px}
.post-body ul,.post-body ol{margin:0 0 18px;padding-left:22px}
.post-body li{margin:6px 0}
.post-body li::marker{color:var(--muted)}
.post-body blockquote{margin:22px 0;padding:16px 20px;border-radius:14px;background:var(--card);border:1px solid var(--line);color:var(--sub)}
.post-body blockquote p{margin:0}
.post-body code,.post-body kbd{font-family:var(--mono);font-size:.88em;padding:2px 6px;border-radius:6px;background:var(--card2);border:1px solid var(--line);color:var(--text)}
.post-body .tbl{margin:18px 0 22px;overflow-x:auto;border:1px solid var(--line);border-radius:14px}
.post-body table{width:100%;min-width:520px;border-collapse:collapse;font-size:14.5px;line-height:1.6}
.post-body th{padding:12px 14px;text-align:left;background:var(--card);color:var(--muted);font-weight:700;border-bottom:1px solid var(--line)}
.post-body td{padding:12px 14px;border-top:1px solid #1C1D2C;vertical-align:top}
.post-body tr td:first-child{font-weight:700;color:var(--white);min-width:6.5em}
.post-section{margin-top:52px}
.post-section > h2{margin:0 0 14px;font-size:clamp(22px,2.4vw,27px);font-weight:900;letter-spacing:-.02em;color:var(--white)}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:0 20px}
.faq-item + .faq-item{margin-top:10px}
.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;padding:14px 0;font-size:16px;font-weight:700;color:var(--white);cursor:pointer}
.faq-item summary::-webkit-details-marker{display:none}
.faq-ico{flex-shrink:0;color:var(--muted);transition:transform .2s ease}
.faq-item[open] .faq-ico{transform:rotate(45deg);color:var(--accent)}
.faq-item p{margin:0 0 18px;font-size:15px;line-height:1.75;color:var(--sub)}
.sources{margin-top:28px;font-size:13px;color:var(--muted)}
.sources ul{margin:6px 0 0;padding-left:18px}
.sources a{color:var(--muted)}
.cta-card{margin-top:52px;padding:32px;border-radius:22px;background:linear-gradient(120deg,#1A1630 0%,#151626 55%,#12131E 100%);border:1px solid #3A2F5C;display:flex;flex-direction:column;gap:12px}
.cta-card h2{margin:0;font-size:24px;font-weight:900;letter-spacing:-.02em;color:var(--white)}
.cta-card p{margin:0;font-size:15.5px;line-height:1.7;color:var(--sub)}
.cta-btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 22px;border-radius:12px;font-weight:700;font-size:15px;text-decoration:none}
.btn-kakao{background:var(--kakao);color:#191919 !important}
.btn-line{border:1px solid var(--line2);color:var(--text) !important}
.btn-line:hover{border-color:#6B6E85}
.btn-accent{background:var(--accent);color:#0B0C14 !important}
.related{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.related a{display:flex;flex-direction:column;gap:8px;padding:20px;border-radius:16px;background:var(--card);border:1px solid var(--line);text-decoration:none;color:var(--white) !important;font-weight:700;line-height:1.5;transition:border-color .2s ease}
.related a:hover{border-color:#4A4D66}
.related small{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--muted)}
.back{display:inline-flex;align-items:center;min-height:44px;margin-top:28px;font-size:15px;font-weight:700;text-decoration:none;color:var(--sub)}

/* 목차 */
.toc{position:relative}
.toc-in{position:sticky;top:96px;display:flex;flex-direction:column;gap:14px}
.toc-box{padding:20px;border-radius:18px;background:var(--card);border:1px solid var(--line)}
.toc-box p{margin:0 0 10px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted)}
.toc-box ol{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:2px;counter-reset:t}
.toc-box a{display:block;padding:7px 10px;border-radius:8px;font-size:14px;line-height:1.45;text-decoration:none;color:var(--sub)}
.toc-box a:hover{background:var(--card2);color:var(--white)}
.toc-box a.on{background:color-mix(in srgb,var(--accent) 12%,var(--card));color:var(--accent);font-weight:700}
.toc-cta{padding:20px;border-radius:18px;background:color-mix(in srgb,var(--pink) 8%,var(--bg));border:1px solid color-mix(in srgb,var(--pink) 30%,var(--bg));display:flex;flex-direction:column;gap:10px}
.toc-cta b{font-size:15px;color:var(--white)}
.toc-cta span{font-size:13.5px;line-height:1.6;color:var(--sub)}
.toc-cta .btn{min-height:44px;font-size:14px}

/* 읽기 진행 막대 */
.progress{position:fixed;left:0;top:0;z-index:60;height:3px;width:100%;transform-origin:left;transform:scaleX(0);background:linear-gradient(90deg,var(--accent),var(--pink))}

/* ---------- 푸터 ---------- */
.ft{border-top:1px solid #1F2133;padding:28px 24px}
.ft-in{max-width:1200px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;font-size:13px;color:var(--muted)}
.ft-brand{display:flex;align-items:center;gap:10px}
.ft-brand img{height:30px;width:auto}
.ft-brand b{font-family:var(--mono);color:var(--white)}
.ft-brand b span{color:var(--accent)}
.ft nav{display:flex;flex-wrap:wrap;gap:8px 20px}
.ft nav a{text-decoration:none}

/* 모바일 하단 문의 바 */
.mbar{display:none}

@media (max-width:980px){
  .post-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .toc{display:none}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .hd-in{padding:8px 16px;min-height:60px}
  .brand-txt{font-size:17px}
  .brand-logo{--h:34px}
  .hd-burger{display:inline-flex}
  .hd-nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;padding:8px 16px 16px;background:var(--bg);border-bottom:1px solid #1F2133;box-shadow:0 18px 30px rgba(0,0,0,.4);display:none}
  .hd-nav.open{display:flex;animation:askIn .2s ease-out}
  .hd-nav a{padding:14px 4px;font-size:16px;border-bottom:1px solid #1A1B28}
  .hd-nav a:last-child{border-bottom:0}
  #askBtn{padding:0 12px 0 14px;font-size:14px}
  .ask-menu{position:fixed;left:16px;right:16px;width:auto}
  .ask-menu::before{display:none}
  .bl-wrap{padding:0 16px}
  .bl-hero{padding:36px 0 20px}
  .bl-hero .lead{font-size:15.5px}
  .post-grid{grid-template-columns:minmax(0,1fr);gap:12px;padding-bottom:48px}
  .post-card{padding:22px}
  .post-grid li.featured .post-card{padding:24px}
  .post-layout{padding:24px 0 48px}
  .post .lead{font-size:16px}
  .tldr{padding:18px}
  .post-body{font-size:16px;line-height:1.8}
  .post-body h2{margin-top:40px}
  .cta-card{padding:24px 20px}
  .cta-btns .btn{flex:1 1 100%}
  .related{grid-template-columns:minmax(0,1fr)}
  .faq-item{padding:0 16px}
  .faq-item summary{font-size:15px}
  .ft{padding-bottom:calc(96px + env(safe-area-inset-bottom))}
  .ft nav a{display:inline-flex;align-items:center;min-height:44px}
  .post-body table{font-size:14px}
  .mbar{display:flex;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:45;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(11,12,20,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid #1F2133;transform:translateY(110%);transition:transform .25s ease}
  .mbar.show{transform:none}
  .mbar a{flex:1 1 0;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:50px;border-radius:12px;font-weight:700;font-size:15px;text-decoration:none}
  .mbar-kakao{background:var(--kakao);color:#191919 !important}
  .mbar-bj{border:1px solid var(--line2);color:var(--text) !important}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .ask-menu:not([hidden]),.hd-nav.open{animation:none}
  .post-card,.post-card:hover{transition:none;transform:none}
}
/* 글 속 이미지 */
.post-body figure{margin:22px 0}
.post-body figure img{display:block;width:100%;height:auto;border-radius:14px;border:1px solid var(--line)}
.post-body figcaption{margin-top:8px;font-size:13px;color:var(--muted);text-align:center}

/* ---------- 로딩 표시 (늦게 열릴 때만) ---------- */
.pl{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;background:#0B0C14;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}
.pl.show{opacity:1;visibility:visible}
.pl.hide{opacity:0;visibility:hidden}
.pl-box{display:flex;flex-direction:column;align-items:center;gap:18px}
.pl-box img{height:48px;width:auto;animation:plPulse 1.4s ease-in-out infinite}
.pl-ring{width:44px;height:44px;border-radius:50%;border:3px solid rgba(255,255,255,.12);border-top-color:#C5F25A;animation:plSpin .8s linear infinite}
.pl-box p{margin:0;font-size:14px;color:#9A9DB3;font-family:'Noto Sans KR',system-ui,sans-serif}
@keyframes plSpin{to{transform:rotate(360deg)}}
@keyframes plPulse{0%,100%{opacity:1}50%{opacity:.55}}
@media (prefers-reduced-motion:reduce){.pl-box img,.pl-ring{animation:none}}