:root{--red:#e4181f;--red-2:#ff3b43;--red-dark:#7a0b12;--gold:#f9c80e;--bg:#0b0b0d;--bg-2:#141418;--bg-3:#1c1c22;--line:#2a2a33;--text:#f3f3f6;--muted:#a9a9b6;--radius:18px;--max:1200px;--shadow:0 10px 40px rgba(0,0,0,.45)}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--bg:#0b0b0d}}
:root[data-theme="dark"]{--bg:#0b0b0d}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:'Noto Sans KR','Apple SD Gothic Neo','Malgun Gothic',system-ui,sans-serif;line-height:1.7;font-size:16px;word-break:keep-all;overflow-x:hidden}
a{color:inherit;text-decoration:none}img,svg{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:#000;padding:8px 14px;z-index:999}.skip:focus{left:8px}
/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(11,11,13,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo img{height:46px;width:auto;max-width:none;flex:none}
.nav{display:flex;gap:4px;align-items:center}
.nav a{padding:8px 14px;border-radius:10px;font-weight:600;color:var(--muted);font-size:15px;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.nav a:hover,.nav a.on{color:#fff;background:var(--bg-3)}
.nav a.cta{background:var(--red);color:#fff;margin-left:6px}.nav a.cta:hover{background:var(--red-2)}
.burger{display:none;background:none;border:1px solid var(--line);color:#fff;border-radius:10px;width:44px;height:44px;cursor:pointer}
#navtoggle{display:none}
@media (max-width:900px){
 .burger{display:inline-flex;align-items:center;justify-content:center}
 .nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--bg-2);flex-direction:column;align-items:stretch;padding:10px 16px 16px;border-bottom:1px solid var(--line)}
 #navtoggle:checked ~ .nav{display:flex}
 .nav a{padding:12px 14px;font-size:16px}.nav a.cta{margin:6px 0 0;text-align:center}
}
/* hero */
.hero{position:relative;padding:64px 0 48px;background:radial-gradient(ellipse 80% 60% at 20% 0%,rgba(228,24,31,.35),transparent 60%),radial-gradient(ellipse 50% 50% at 90% 20%,rgba(249,200,14,.12),transparent 60%),var(--bg)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero .wrap>*{min-width:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(249,200,14,.12);color:var(--gold);border:1px solid rgba(249,200,14,.3);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.02em}
h1{font-size:clamp(30px,4.6vw,52px);line-height:1.2;margin:18px 0 16px;font-weight:900;letter-spacing:-.02em}
h1 em{font-style:normal;color:var(--red-2)}h1 .y{color:var(--gold)}
.lead{font-size:17px;color:var(--muted);max-width:620px;margin:0 0 26px}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:12px;font-weight:700;font-size:15px;border:1px solid transparent;transition:.2s}
.btn-p{background:var(--red);color:#fff;box-shadow:0 8px 24px rgba(228,24,31,.35)}.btn-p:hover{background:var(--red-2);transform:translateY(-2px)}
.btn-s{background:var(--bg-3);border-color:var(--line);color:#fff}.btn-s:hover{border-color:#555}
.btn-y{background:var(--gold);color:#1a0507}.btn-y:hover{filter:brightness(1.08)}
.hero-art{filter:drop-shadow(0 20px 60px rgba(228,24,31,.35))}
.hero-art img{width:100%;height:auto}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr}.hero-art{max-width:420px;margin:0 auto}}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:40px auto 0}
.stat{background:var(--bg-2);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.stat b{display:block;font-size:28px;color:var(--gold);line-height:1.1}.stat span{color:var(--muted);font-size:14px}
@media (max-width:700px){.stats{grid-template-columns:repeat(2,1fr)}}
/* search */
.search{margin:-26px auto 0;position:relative;z-index:2}
.search form{display:flex;gap:8px;background:var(--bg-2);border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow)}
.search input{flex:1;background:transparent;border:0;color:#fff;font-size:17px;padding:10px 12px;outline:0;font-family:inherit}
.search button{background:var(--red);border:0;color:#fff;border-radius:10px;padding:0 20px;font-weight:700;cursor:pointer;font-family:inherit}
.search .hint{color:var(--muted);font-size:13px;margin:10px 4px 0}
/* sections */
section{padding:72px 0}
.sec-h{max-width:760px;margin:0 auto 40px;text-align:center}
.sec-h .tag{color:var(--red-2);font-weight:800;font-size:13px;letter-spacing:.12em;text-transform:uppercase}
h2{font-size:clamp(24px,3.4vw,38px);margin:8px 0 14px;font-weight:900;letter-spacing:-.02em;line-height:1.25}
.sec-h p{color:var(--muted);font-size:16px;margin:0}
h3{font-size:20px;margin:0 0 8px;font-weight:800}
/* category grid */
.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cat{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.cat:hover{border-color:rgba(228,24,31,.6);transform:translateY(-3px);box-shadow:var(--shadow)}
.cat .img{aspect-ratio:800/520;background:var(--bg-3)}
.cat .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.cat .body>p{color:var(--muted);font-size:14px;margin:0}
.links{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.links li a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;border:1px solid transparent}
.links li a:hover{background:var(--bg-3);border-color:var(--line)}
.links .nm{font-weight:700;font-size:15px}.links .ds{color:var(--muted);font-size:13px;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.links .ic{color:var(--muted);flex:none;width:16px;height:16px}
.cat .more{margin-top:auto;color:var(--gold);font-weight:700;font-size:14px;display:inline-flex;gap:6px;align-items:center}
@media (max-width:1000px){.cats{grid-template-columns:repeat(2,1fr)}}@media (max-width:640px){.cats{grid-template-columns:1fr}}
.cats.filtering .cat{display:none}.cats.filtering .cat.hit{display:flex}.links li.miss{display:none}
.nohit{display:none;text-align:center;color:var(--muted);padding:40px 0}.nohit.show{display:block}
/* features */
.feat{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.fcard{background:linear-gradient(180deg,var(--bg-2),var(--bg));border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px}
.fcard .ico{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;background:rgba(228,24,31,.15);color:var(--red-2);margin-bottom:16px}
.fcard p{color:var(--muted);font-size:14.5px;margin:0}
@media (max-width:1000px){.feat{grid-template-columns:repeat(2,1fr)}}@media (max-width:560px){.feat{grid-template-columns:1fr}}
/* explainer */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split>*{min-width:0}
.split+.split{margin-top:72px}.split.rev>.art{order:2}
.split .art img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:auto}
.split p{color:var(--muted)}
.split ul{padding-left:0;list-style:none;margin:18px 0 0;display:grid;gap:10px}
.split li{display:flex;gap:10px;align-items:flex-start}.split li .ic{color:var(--gold);flex:none;margin-top:4px;width:20px;height:20px}
@media (max-width:860px){.split{grid-template-columns:1fr}.split.rev>.art{order:0}}
/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s}
.step{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative}
.step .n{width:44px;height:44px;border-radius:50%;background:var(--red);color:#fff;font-weight:900;display:grid;place-items:center;font-size:18px;margin-bottom:14px}
.step p{color:var(--muted);font-size:14.5px;margin:0}
@media (max-width:760px){.steps{grid-template-columns:1fr}}
/* safety */
.safe{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.safe .card{background:var(--bg-2);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:14px;padding:22px}
.safe .card p{color:var(--muted);font-size:14.5px;margin:0}
@media (max-width:760px){.safe{grid-template-columns:1fr}}
/* faq */
.faq{max-width:860px;margin:0 auto;display:grid;gap:10px}
.faq details{background:var(--bg-2);border:1px solid var(--line);border-radius:14px;padding:0 22px}
.faq summary{cursor:pointer;font-weight:700;padding:18px 0;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center;font-size:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold);font-size:24px;font-weight:400;flex:none}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);margin:0 0 18px;font-size:15px}
/* blog cards */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.post:hover{transform:translateY(-3px);border-color:rgba(249,200,14,.5)}
.post .body{padding:18px 20px 22px}.post time{color:var(--gold);font-size:13px;font-weight:700}
.post h3{font-size:17px;margin:6px 0 8px;line-height:1.4}.post p{color:var(--muted);font-size:14px;margin:0}
@media (max-width:1000px){.posts{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){.posts{grid-template-columns:1fr}}
/* cta */
.cta{background:linear-gradient(135deg,var(--red-dark),#2a0a0d 60%,#0b0b0d);border:1px solid rgba(228,24,31,.4);border-radius:24px;padding:48px 32px;text-align:center}
.cta h2{margin-top:0}.cta p{color:var(--muted);max-width:640px;margin:0 auto 24px}
/* footer */
footer{border-top:1px solid var(--line);background:#07070a;padding:56px 0 32px;color:var(--muted);font-size:14px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.fgrid h4{color:#fff;margin:0 0 12px;font-size:15px}.fgrid ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.fgrid a:hover{color:#fff}.fbrand img{height:44px;width:auto;max-width:none;margin-bottom:14px}
.fbot{border-top:1px solid var(--line);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px}
@media (max-width:860px){.fgrid{grid-template-columns:1fr 1fr}}@media (max-width:520px){.fgrid{grid-template-columns:1fr}}
/* article / subpage */
.page-h{padding:56px 0 32px;background:radial-gradient(ellipse 70% 60% at 50% 0%,rgba(228,24,31,.3),transparent 60%)}
.crumb{font-size:13px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.crumb a:hover{color:#fff}
.article{max-width:820px;margin:0 auto;padding:0 16px 72px}
.article .hero-img{border-radius:var(--radius);margin:0 0 32px;box-shadow:var(--shadow);width:100%;max-height:340px;object-fit:cover}
.article p,.article li{font-size:16.5px;color:#d9d9e0}
.article h2{font-size:26px;margin:40px 0 12px}.article h3{font-size:19px;margin:24px 0 8px;color:var(--gold)}
.article ul,.article ol{padding-left:22px}.article li{margin:6px 0}
.article .meta{color:var(--muted);font-size:14px;margin-bottom:24px}
.article .lead-p{font-size:18px;color:#fff}
.toc{background:var(--bg-2);border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin:0 0 28px}
.toc b{display:block;margin-bottom:8px}.toc ol{margin:0;padding-left:20px}.toc a{color:var(--muted)}.toc a:hover{color:var(--gold)}
.rank{width:100%;border-collapse:collapse;margin:20px 0}
.rank th,.rank td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left;font-size:15px}
.rank th{color:var(--muted);font-weight:600;font-size:13px}.rank td.n{font-weight:900;color:var(--gold);width:48px}
.rank tr:hover td{background:var(--bg-2)}.rank .tag{font-size:12px;background:var(--bg-3);padding:3px 8px;border-radius:6px;color:var(--muted)}
.box{background:var(--bg-2);border:1px solid var(--line);border-radius:14px;padding:22px 24px;margin:24px 0}
.totop{position:fixed;right:18px;bottom:18px;width:46px;height:46px;border-radius:50%;background:var(--red);color:#fff;display:grid;place-items:center;opacity:0;pointer-events:none;transition:.3s;z-index:40;box-shadow:var(--shadow)}
.totop.show{opacity:1;pointer-events:auto}