:root{
  --bg:#0d1821;
  --bg-2:#112130;
  --card:#14273a;
  --card-2:#193046;
  --line:#22405a;
  --line-2:#2b5070;
  --text:#edf3f7;
  --sub:#c3d2de;
  --muted:#93a9bb;
  --accent:#12b886;
  --accent-2:#3ddbad;
  --accent-ink:#04261b;
  --radius:16px;
  --wrap:1160px;
  --col:880px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,system-ui,"Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",sans-serif;font-size:16px;line-height:1.7;letter-spacing:-.005em;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--accent-2);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{line-height:1.3;letter-spacing:-.025em;margin:0;text-wrap:balance}
h2{font-size:clamp(22px,2.6vw,28px);font-weight:800;margin-bottom:10px}
h3{font-size:17px;font-weight:700}
p,li{text-wrap:pretty}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.wrap.narrow{max-width:860px}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--accent-ink);padding:8px 12px;z-index:10;border-radius:8px}
.skip:focus{left:8px;top:8px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ico{width:24px;height:24px;flex:none}
.ico-sm{width:16px;height:16px;flex:none}
.ico-xs{width:13px;height:13px;flex:none}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:20;background:rgba(13,24,33,.88);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:62px;gap:12px}
.logo{display:flex;align-items:center;gap:9px;color:var(--text);font-weight:800;font-size:19px;letter-spacing:-.03em;white-space:nowrap}
.logo:hover{text-decoration:none}
.logo-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:var(--accent);color:var(--accent-ink);font-size:17px;font-weight:800;line-height:1}
.nav{display:flex;gap:2px}
.nav a{color:var(--sub);font-size:14.5px;font-weight:600;padding:7px 12px;border-radius:9px;white-space:nowrap}
.nav a:hover,.nav a[aria-current]{color:var(--text);background:var(--card);text-decoration:none}

/* ---------- hero ---------- */
.hero{padding:64px 0 56px;background:radial-gradient(1000px 420px at 50% -60px,rgba(18,184,134,.20),transparent 70%)}
.hero-in{text-align:center}
.hero-col{max-width:var(--col);margin:0 auto}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:var(--accent-2);background:rgba(18,184,134,.10);border:1px solid rgba(61,219,173,.32);padding:7px 14px;border-radius:999px;white-space:nowrap}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 0 4px rgba(61,219,173,.15)}
.hero-title{font-size:clamp(28px,3.4vw,44px);font-weight:800;margin:20px auto 16px;line-height:1.25;letter-spacing:-.035em;text-wrap:initial}
.hero-title .seg{white-space:nowrap}
.hero-title .sep{color:var(--line-2);font-weight:600}
.hero-title .brand{color:var(--accent-2)}
.lead{color:var(--sub);font-size:16.5px;line-height:1.75;text-wrap:balance}
.lead a{white-space:nowrap}
.hero .lead{max-width:740px;margin:0 auto}
.lead .br{display:block;margin-top:4px}

.latest{margin:30px auto 0;padding:22px 24px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,var(--bg-2),rgba(17,33,48,.6));display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left}
.latest h2{font-size:18px;margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-weight:700;border-radius:11px;padding:12px 22px;font-size:15px;white-space:nowrap;line-height:1.2}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.is-static{cursor:default;user-select:none}

.stats{list-style:none;padding:0;margin:14px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.stats li{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 10px 14px;text-align:center}
.stats strong{display:block;font-size:26px;font-weight:800;line-height:1.2;color:var(--text);letter-spacing:-.02em}
.stats span{display:block;margin-top:4px;font-size:13px;color:var(--muted);white-space:nowrap}
.stats.small{grid-template-columns:repeat(3,minmax(0,170px));margin:24px 0 0}

.search{margin:14px 0 0;text-align:left;position:relative}
.search input{width:100%;height:54px;padding:0 18px;border-radius:14px;border:1px solid var(--line);background:var(--card);color:var(--text);font:inherit;font-size:16px;-webkit-appearance:none;appearance:none}
.search input::placeholder{color:var(--muted)}
.search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(18,184,134,.22)}
.search-ext{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:10px;font-size:13.5px;color:var(--muted)}
.search-ext span{margin-right:2px;white-space:nowrap}
.search-ext button{background:var(--card);border:1px solid var(--line);color:var(--sub);border-radius:9px;padding:6px 12px;font:inherit;font-size:13.5px;font-weight:600;cursor:pointer;white-space:nowrap}
.search-ext button:hover{border-color:var(--accent);color:var(--text)}
.results{list-style:none;margin:8px 0 0;padding:6px;background:var(--card);border:1px solid var(--line);border-radius:14px;max-height:340px;overflow:auto;position:absolute;left:0;right:0;z-index:10;box-shadow:0 18px 40px rgba(0,0,0,.35)}
.results li a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;border-radius:9px;color:var(--text)}
.results li a:hover{background:var(--card-2);text-decoration:none}
.results li a>span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.results small{color:var(--muted);white-space:nowrap}
.results .none{padding:10px 12px;color:var(--muted)}

/* ---------- sections ---------- */
section{padding:72px 0}
.sec-head{text-align:center;margin-bottom:28px}
.sec-lead{color:var(--muted);margin-bottom:28px;text-wrap:balance}
.features{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.features h2{text-align:center;margin-bottom:28px}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.feat .ico{color:var(--accent-2);width:28px;height:28px;margin-bottom:14px}
.feat h3{margin-bottom:8px;font-size:18px}
.feat p{color:var(--muted);font-size:15px}
.directory h2,.directory .sec-lead,.guidebook>.wrap>h2,.guidebook>.wrap>.sec-lead,.faq h2,.faq .sec-lead{text-align:center}
.directory .sec-lead,.guidebook>.wrap>.sec-lead,.faq .sec-lead{max-width:640px;margin-left:auto;margin-right:auto}
.banner{margin:0 auto 40px;max-width:560px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.banner.small{max-width:560px;margin-top:36px;margin-bottom:36px}

.cat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.cat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px 20px;display:flex;flex-direction:column;gap:10px;min-width:0;transition:border-color .15s,transform .15s}
.cat-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.cat-ico{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:rgba(18,184,134,.13);color:var(--accent-2)}
.cat-ico.lg{width:52px;height:52px;border-radius:14px}
.cat-card h3{font-size:18px}
.cat-card h3 a{color:var(--text)}
.cat-card p{color:var(--muted);font-size:14.5px;line-height:1.65}
.cat-card .cat-desc{flex:1}
.cat-sites{display:flex;align-items:baseline;gap:6px;min-width:0;padding:9px 12px;border-radius:10px;background:var(--bg-2);border:1px solid var(--line);font-size:13.5px!important;color:var(--sub)!important;white-space:nowrap}
.cat-sites .names{overflow:hidden;text-overflow:ellipsis;min-width:0}
.cat-sites b{flex:none;color:var(--accent-2);font-weight:700}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tags span{font-size:12.5px;line-height:1.4;background:var(--bg-2);border:1px solid var(--line);color:var(--sub);padding:3px 9px;border-radius:999px;white-space:nowrap}
.tags .more{color:var(--accent-2);border-color:rgba(61,219,173,.3)}
.cat-link{display:inline-flex;align-items:center;gap:5px;font-size:14px;font-weight:700;margin-top:4px;white-space:nowrap}

.img-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:32px}
.img-row img{border-radius:var(--radius);border:1px solid var(--line);width:100%}
.def-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.def{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.def h3{color:var(--accent-2);margin-bottom:12px;font-size:18px}
.def p{color:var(--muted);font-size:15px}
.def p+p{margin-top:12px}
.steps{max-width:var(--col);margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px}
.steps h3{margin-bottom:14px;font-size:19px}
.steps ol{margin:0;padding-left:22px;color:var(--muted)}
.steps li{margin:10px 0;padding-left:2px}
.steps strong{color:var(--text)}

.faq .narrow{max-width:var(--col)}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:10px}
.faq-item summary{cursor:pointer;padding:18px 20px;font-weight:700;font-size:16px;line-height:1.5;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;text-wrap:balance}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";flex:none;width:10px;height:10px;border-right:2px solid var(--accent-2);border-bottom:2px solid var(--accent-2);transform:rotate(45deg) translateY(-3px);transition:transform .15s}
.faq-item[open] summary::after{transform:rotate(-135deg) translateY(-2px)}
.faq-item p{padding:0 20px 18px;color:var(--muted)}
.after-faq{margin-top:24px;color:var(--muted);text-align:center}

/* ---------- sub pages ---------- */
.cat-hero{padding:44px 0 36px;border-bottom:1px solid var(--line);background:radial-gradient(800px 300px at 12% -60px,rgba(18,184,134,.16),transparent 70%)}
.cat-hero h1{font-size:clamp(28px,3.4vw,40px);font-weight:800;letter-spacing:-.035em}
.cat-title{display:flex;align-items:center;gap:14px;margin-top:16px}
.page-title{margin-top:16px}
.page-title .seg{white-space:nowrap}
.page-title .sep{color:var(--line-2)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13.5px;color:var(--muted)}
.crumbs a{color:var(--muted)}
.crumbs span[aria-hidden],.crumbs>span:not([aria-current]){color:var(--line-2)}
.cat-hero .narrow h1{margin-top:16px}
.cat-hero .lead{margin-top:14px;max-width:760px;text-wrap:balance}
.cat-body{padding-top:40px}
.cat-body h2{margin-top:52px}
.intro{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px}
.intro>p{color:var(--sub)}
.intro h2{margin-top:22px;font-size:20px}
.guide-list,.num-list{margin:12px 0 0;padding-left:20px;color:var(--muted)}
.guide-list li,.num-list li{margin:10px 0;padding-left:2px}
.guide-list strong,.num-list strong{color:var(--text);margin-right:6px}
.site-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.site-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:6px;min-width:0;transition:border-color .15s}
.site-card:hover{border-color:var(--accent)}
.site-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.site-head h3{font-size:17px;min-width:0}
.app{flex:none;font-size:11.5px;font-weight:800;line-height:1;color:var(--accent-ink);background:var(--accent-2);border-radius:6px;padding:4px 7px}
.op{font-size:13.5px;color:var(--muted);line-height:1.5}
.domain{display:inline-flex;align-items:center;gap:5px;font-size:14.5px;font-weight:600;max-width:100%;margin-bottom:4px}
.domain-txt{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.site-card .tags{margin-top:auto}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:14.5px}
th,td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;text-wrap:pretty}
thead th{background:var(--card-2);color:var(--text);white-space:nowrap;font-weight:700}
tbody th{color:var(--text);font-weight:700;white-space:nowrap}
tbody td{color:var(--muted)}
tbody tr:nth-child(even){background:rgba(20,39,58,.45)}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}
.other-cats{list-style:none;padding:0;margin:16px 0 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.other-cats a{display:flex;align-items:center;gap:9px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:13px 15px;color:var(--text);font-weight:600;font-size:15px;white-space:nowrap;transition:border-color .15s}
.other-cats a .ico-sm{color:var(--accent-2)}
.other-cats a:hover{border-color:var(--accent);text-decoration:none}
.doc{padding-top:44px}
.doc h2{margin-top:48px}
.doc h2:first-child{margin-top:0}
.doc .table-wrap{margin-top:14px}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-2);padding:40px 0 32px;font-size:14px}
.foot-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px}
.foot-nav{display:flex;gap:18px;flex-wrap:wrap}
.foot-nav a{color:var(--sub);font-weight:600}
.foot-cats{list-style:none;padding:20px 0;margin:20px 0;display:flex;flex-wrap:wrap;gap:8px 18px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.foot-cats a{color:var(--muted);font-size:13.5px;white-space:nowrap}
.foot-note{color:var(--muted);font-size:13px;max-width:820px;line-height:1.7}
.foot-copy{color:var(--muted);font-size:12.5px;margin-top:10px}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .cat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1080px){
  .hero-title .seg{display:block}
  .hero-title .sep{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
  .hero-title{font-size:clamp(28px,5.4vw,44px)}
}
@media (max-width:900px){
  .site-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feat-grid,.def-grid{grid-template-columns:1fr}
  .feat{display:grid;grid-template-columns:auto 1fr;column-gap:16px;align-items:start}
  .feat .ico{grid-row:span 2;margin:2px 0 0}
  .feat h3{margin-bottom:4px}
}
@media (max-width:760px){
  section{padding:52px 0}
  .wrap{padding:0 16px}
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .stats{grid-template-columns:repeat(2,1fr);gap:10px}
  .latest{flex-direction:column;text-align:center;gap:14px;padding:20px}
  .img-row{grid-template-columns:1fr}
  .page-title .seg{display:block}
  .page-title .sep{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
  .intro,.steps{padding:22px 20px}
}
@media (max-width:600px){
  .site-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .hero{padding:44px 0 40px}
  .hero-title{font-size:clamp(26px,7.6vw,34px);margin:18px auto 14px}
  .lead{font-size:15.5px;text-align:left}
  .hero .lead{text-align:center}
  .badge{font-size:12.5px;padding:6px 12px}
  .bar{height:56px}
  .logo{font-size:17px;gap:7px}
  .logo-mark{width:28px;height:28px;font-size:15px;border-radius:8px}
  .nav a{font-size:13.5px;padding:6px 8px}
  .stats strong{font-size:22px}
  .stats.small{grid-template-columns:repeat(3,1fr)}
  .stats.small span{font-size:12px}
  .other-cats{grid-template-columns:repeat(2,1fr)}
  .other-cats .sfx{display:none}
  .faq-item summary{padding:16px 16px;font-size:15.5px}
  .faq-item p{padding:0 16px 16px}
  .cat-title{gap:12px}
  .cat-ico.lg{width:44px;height:44px}
  .cat-hero h1{font-size:clamp(26px,7.2vw,32px)}
  .search-ext{font-size:13px}
}
@media (max-width:374px){
  .nav a{padding:6px 6px;font-size:13px}
  .logo-mark{width:26px;height:26px}
  .stats span{font-size:12px}
}
@media (max-width:339px){.logo-text{display:none}}
@media (max-width:600px){
  .table-wrap{border:0;border-radius:0;overflow:visible}
  table,tbody,tr,th,td{display:block;width:100%}
  thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  tbody tr,tbody tr:nth-child(even){background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:10px;padding:14px 16px}
  th,td{border:0!important;padding:0}
  tbody th{font-size:16px;white-space:normal;margin-bottom:8px}
  tbody td{font-size:14.5px;line-height:1.6}
  tbody td+td{margin-top:6px}
  td[data-label]::before{content:attr(data-label);display:block;font-size:12px;font-weight:700;color:var(--accent-2);margin-bottom:1px}
}