:root{--ink:#14182b;--sub:#5b6275;--line:#e4e7ef;--bg:#f6f7fb;--card:#fff;--navy:#0d1b3d;--navy2:#16295a;--gold:#f5b301;--gold2:#ffd766;--c:#2457d6}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 "Pretendard Variable",Pretendard,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;word-break:keep-all;overflow-wrap:anywhere;overflow-x:hidden}
a{color:inherit}
img{max-width:100%;height:auto}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:var(--navy);padding:8px 14px;z-index:20}
.skip:focus{left:8px}

/* header */
.top{background:var(--navy);position:sticky;top:0;z-index:10;box-shadow:0 2px 14px rgba(13,27,61,.25)}
.top-in{display:flex;align-items:center;gap:22px;height:62px}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none;color:#fff;font-size:20px;letter-spacing:-.4px;flex:none}
.logo b{color:var(--gold2);font-weight:800}
.mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--gold),#ff8a00);color:var(--navy);display:inline-flex;align-items:center;justify-content:center;font-size:18px;font-weight:900;flex:none}
.mark.lg{width:52px;height:52px;font-size:26px;border-radius:14px}
.nav{display:flex;gap:4px;overflow-x:auto;white-space:nowrap;scrollbar-width:none;min-width:0}
.nav::-webkit-scrollbar{display:none}
.nav a{color:#c9d2ea;text-decoration:none;font-size:15px;font-weight:600;padding:7px 12px;border-radius:8px}
.nav a:hover,.nav a.on{color:#fff;background:rgba(255,255,255,.1)}
.nav a.on{box-shadow:inset 0 -2px 0 var(--gold)}

/* home */
.home{padding:28px 16px 56px}
.hero{display:grid;grid-template-columns:1.35fr 1fr;gap:26px;background:radial-gradient(1200px 400px at 0 0,#21407f 0,var(--navy) 60%);color:#fff;border-radius:22px;padding:38px 36px;margin-bottom:44px;box-shadow:0 18px 40px -18px rgba(13,27,61,.55)}
.hero.slim{grid-template-columns:1fr;padding:30px 32px;background:linear-gradient(120deg,var(--navy) 0,color-mix(in srgb,var(--c) 70%,var(--navy)) 100%)}
.badge{display:inline-block;font-size:12.5px;font-weight:700;color:var(--gold2);border:1px solid rgba(255,215,102,.4);background:rgba(255,215,102,.1);padding:4px 12px;border-radius:999px}
.hero h1{font-size:34px;line-height:1.3;letter-spacing:-.8px;margin:14px 0 10px;font-weight:800}
.hero p{color:#b8c3df;margin:0;font-size:15.5px;line-height:1.7}
.stats{list-style:none;display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:20px 0 0}
.stats li{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:8px 14px;font-size:14px;color:#dbe3f6}
.stats b{color:var(--gold2);font-size:18px;margin-right:2px}
.hero-new{background:#fff;color:var(--ink);border-radius:16px;padding:20px 22px}
.hero-new>b{font-size:15px;display:block;margin-bottom:8px}
.hero-new ol{margin:0;padding:0;list-style:none;counter-reset:n}
.hero-new li{counter-increment:n;border-top:1px solid var(--line)}
.hero-new li:first-child{border-top:0}
.hero-new a{display:block;text-decoration:none;padding:10px 0 10px 32px;position:relative;font-weight:600;font-size:14.5px;line-height:1.45}
.hero-new a::before{content:counter(n);position:absolute;left:0;top:10px;width:22px;height:22px;border-radius:6px;background:var(--navy);color:var(--gold2);font-size:12px;display:flex;align-items:center;justify-content:center}
.hero-new a span{display:block;font-size:12px;color:var(--sub);font-weight:500}
.hero-new a:hover{color:#2457d6}

.sec{margin-bottom:48px}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:18px;padding-bottom:12px;border-bottom:2px solid var(--line);position:relative}
.sec-head::after{content:"";position:absolute;left:0;bottom:-2px;width:64px;height:2px;background:var(--c)}
.sec-head h2{margin:0;font-size:23px;letter-spacing:-.5px}
.sec-head p{margin:3px 0 0;color:var(--sub);font-size:14px}
.more{color:var(--c);font-weight:700;font-size:14px;text-decoration:none;flex:none}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 30px -14px color-mix(in srgb,var(--c) 45%,transparent);border-color:color-mix(in srgb,var(--c) 50%,var(--line))}
.thumb{aspect-ratio:16/9;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;text-decoration:none;text-align:center;padding:12px;background:linear-gradient(135deg,color-mix(in srgb,var(--c) 14%,#fff),#fff);overflow:hidden}
.thumb:has(img){padding:0;background:#fff}
.thumb img{width:100%;height:100%;object-fit:cover}
.t-cat{font-size:12px;font-weight:700;color:var(--c)}
.t-name{font-size:17px;font-weight:800;line-height:1.35;color:var(--ink)}
.card-body{padding:14px 16px 16px;display:flex;flex-direction:column;flex:1}
.chip{display:inline-block;align-self:flex-start;font-size:12px;font-weight:700;color:var(--c);background:color-mix(in srgb,var(--c) 10%,#fff);padding:2px 9px;border-radius:6px;margin-bottom:8px}
.card h3{margin:0 0 8px;font-size:15.5px;line-height:1.45;letter-spacing:-.2px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card h3 a{text-decoration:none}
.card h3 a:hover{color:var(--c)}
.card p{margin:0 0 12px;color:var(--sub);font-size:13.5px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;justify-content:space-between;font-size:12.5px;color:#8a90a2}

/* post */
.post-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;padding-top:28px;padding-bottom:64px;align-items:start}
.post-wrap.one{grid-template-columns:minmax(0,780px);justify-content:center}
.post{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px 40px}
.crumb{font-size:13px;color:var(--sub);display:flex;gap:6px;margin-bottom:12px}
.crumb a{text-decoration:none}
.crumb a:hover{color:var(--c)}
.post h1{font-size:31px;line-height:1.38;letter-spacing:-.8px;margin:4px 0 12px}
.lead{font-size:17px;color:#3a4152;margin:0 0 16px;line-height:1.7}
.meta{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13.5px;color:var(--sub);padding-bottom:20px;border-bottom:1px solid var(--line)}
.meta .by{color:var(--ink);font-weight:700}
.keybox{margin:24px 0;border-radius:16px;padding:20px 24px;background:linear-gradient(135deg,#fffaf0,#fff);border:1px solid #f4dfa6;border-left:5px solid var(--gold)}
.kb-h{font-size:16px!important;margin:0 0 8px!important;padding:0!important;border:0!important;color:#8a5a00}
.keybox ul{margin:0 0 12px;padding-left:20px}
.keybox li{margin-bottom:6px}
.kb-point{margin:0;padding-top:12px;border-top:1px dashed #edd38a}
.kb-point b{display:inline-block;background:var(--navy);color:var(--gold2);font-size:12px;padding:2px 8px;border-radius:6px;margin-right:6px}
.chart{margin:24px 0}
.chart img{border-radius:12px;border:1px solid var(--line);width:100%}
.chart figcaption{font-size:13px;color:var(--sub);margin-top:6px}
.toc{background:var(--bg);border-radius:14px;padding:16px 20px;margin:24px 0}
.toc ol{margin:6px 0 0;padding-left:20px}
.toc a,.side-box a{text-decoration:none}
.toc a:hover,.side-box a:hover{color:var(--c)}
.body{font-size:17px;line-height:1.9;color:#262b3a}
.body h2{font-size:23px;line-height:1.45;letter-spacing:-.5px;margin:46px 0 14px;padding:0 0 10px;border-bottom:2px solid var(--line);position:relative}
.body h2::before{content:"";display:inline-block;width:9px;height:9px;border-radius:3px;background:var(--c);margin-right:10px;vertical-align:4px}
.body h3{font-size:19px;margin:28px 0 8px}
.body p{margin:0 0 20px}
.body ul,.body ol{padding-left:22px;margin:0 0 20px}
.body li{margin-bottom:8px}
.body strong{background:linear-gradient(transparent 60%,#ffe9a6 60%);color:#111}
.body blockquote{margin:26px 0;padding:16px 22px;background:#f2f5fd;border-left:4px solid var(--c);border-radius:0 12px 12px 0;color:#2b3550;font-weight:500}
.body blockquote p{margin:0}
.body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;display:block;overflow-x:auto}
.body th,.body td{border:1px solid var(--line);padding:10px 12px;text-align:left;font-variant-numeric:tabular-nums;min-width:6.5em}
.body th:first-child,.body td:first-child{white-space:nowrap;min-width:0}
.body th{background:var(--navy);color:#fff;font-weight:600;border-color:var(--navy2)}
.body tr:nth-child(even) td{background:#fafbfe}
.faq{margin-top:40px}
.faq h2{font-size:22px;margin:0 0 12px}
.faq details{border:1px solid var(--line);border-radius:12px;padding:0 18px;margin-bottom:10px;background:#fff}
.faq summary{cursor:pointer;font-weight:700;padding:14px 0;list-style:none;position:relative;padding-right:24px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:12px;font-size:20px;color:var(--c)}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0 0 16px;color:#3a4152}
.notice{font-size:13.5px;color:var(--sub);background:var(--bg);border-radius:12px;padding:14px 16px;margin-top:32px}
.bio{display:flex;gap:16px;align-items:center;margin-top:20px;padding:18px;border:1px solid var(--line);border-radius:14px}
.bio p{margin:2px 0 0;font-size:14px;color:var(--sub)}
.side{display:flex;flex-direction:column;gap:18px;position:sticky;top:82px}
.side-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;font-size:14.5px}
.side-box>b{display:block;margin-bottom:8px;font-size:15px}
.side-box ol{margin:0;padding-left:18px}
.side-box li{margin-bottom:6px;line-height:1.5}
.rel{list-style:none;margin:0;padding:0}
.rel li{padding:9px 0;border-top:1px solid var(--line);display:flex;flex-direction:column}
.rel li:first-child{border-top:0}
.rel a{font-weight:600}
.rel time{font-size:12px;color:var(--sub)}

/* footer */
.foot{background:var(--navy);color:#aeb8d3;margin-top:20px;padding:34px 0 26px;font-size:13.5px}
.foot-in{display:grid;grid-template-columns:1.6fr 1fr;gap:16px 32px}
.foot b{color:#fff;font-size:16px}
.foot p{margin:6px 0 0;line-height:1.6}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:flex-start;justify-content:flex-end}
.foot-links a{text-decoration:none;color:#dbe3f6}
.foot-links a:hover{color:var(--gold2)}
.disc,.copy{grid-column:1/-1;font-size:12.5px;color:#8792b0}
.copy{margin-top:0}

@media (max-width:1100px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}.post-wrap{grid-template-columns:minmax(0,1fr)}.side{position:static}.side .sticky{display:none}}
@media (max-width:820px){
  .hero{grid-template-columns:1fr;padding:26px 20px;border-radius:18px;margin-bottom:32px}
  .hero h1{font-size:25px}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .card-body{padding:12px}
  .card h3{font-size:14.5px}
  .card p{display:none}
  .post{padding:22px 18px;border-radius:16px}
  .post h1{font-size:24px}
  .lead{font-size:16px}
  .body{font-size:16.5px}
  .body h2{font-size:20px}
  .keybox{padding:16px 18px}
  .foot-in{grid-template-columns:1fr}
  .foot-links{justify-content:flex-start}
  .top-in{gap:12px;height:56px}
  .logo{font-size:17px}
  .nav a{font-size:14px;padding:6px 9px}
}
@media (max-width:420px){.grid{grid-template-columns:1fr}.card.big .thumb,.thumb{aspect-ratio:2/1}}