:root{--bg:#fff;--bg2:#f5f7fb;--fg:#0f172a;--mut:#526077;--line:#e2e8f0;--pri:#4f46e5;--pri2:#0ea5e9;--ok:#059669;--r:14px;color-scheme:light dark}
@media (prefers-color-scheme:dark){:root{--bg:#0b1020;--bg2:#121a2e;--fg:#e6eaf2;--mut:#9aa6bd;--line:#24304a;--pri:#818cf8;--pri2:#38bdf8;--ok:#34d399}}
*{box-sizing:border-box}
body{margin:0;font:16px/1.7 system-ui,-apple-system,"Segoe UI","Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR",sans-serif;background:var(--bg);color:var(--fg);word-break:keep-all}
a{color:var(--pri)}
img{max-width:100%;height:auto}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.top{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.nav nav{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.nav nav a{color:var(--fg);text-decoration:none;font-size:15px}
.nav nav a[aria-current]{color:var(--pri);font-weight:600}
.brand{display:flex;gap:8px;align-items:center;font-weight:800;font-size:18px;color:var(--fg);text-decoration:none}
.btn{display:inline-block;padding:12px 20px;border-radius:10px;background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff!important;text-decoration:none;font-weight:700;border:0;cursor:pointer;font-size:15px}
.btn.alt{background:transparent;color:var(--fg)!important;border:1px solid var(--line)}
.btn-sm{padding:7px 14px;font-size:14px}
.hero{padding:64px 0 40px;background:radial-gradient(1000px 400px at 70% -10%,color-mix(in srgb,var(--pri) 18%,transparent),transparent)}
.hero h1{font-size:clamp(28px,4.4vw,46px);line-height:1.25;margin:0 0 16px;letter-spacing:-.02em}
.lead{font-size:18px;color:var(--mut);max-width:760px}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}
.shot{margin:28px 0 0;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);box-shadow:0 20px 50px -20px rgba(15,23,42,.35);background:var(--bg2)}
.shot img{display:block;width:100%}
figure{margin:0}
figcaption{font-size:14px;color:var(--mut);padding:10px 14px}
section{padding:56px 0;border-top:1px solid var(--line)}
section:nth-of-type(even){background:var(--bg2)}
h2{font-size:clamp(22px,3vw,32px);margin:0 0 12px;letter-spacing:-.01em}
h3{font-size:19px;margin:22px 0 6px}
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.split{display:grid;gap:32px;grid-template-columns:1fr 1fr;align-items:center}
@media (max-width:820px){.split{grid-template-columns:1fr}}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:20px}
table{width:100%;border-collapse:collapse;background:var(--bg);border-radius:var(--r);overflow:hidden;border:1px solid var(--line);font-size:15px}
th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
thead th{background:color-mix(in srgb,var(--pri) 10%,var(--bg))}
.tbl{overflow-x:auto}
.badge{display:inline-block;font-size:12px;padding:2px 8px;border-radius:99px;background:color-mix(in srgb,var(--ok) 15%,transparent);color:var(--ok);font-weight:700}
ol.steps{counter-reset:s;list-style:none;padding:0}
ol.steps li{counter-increment:s;position:relative;padding:0 0 18px 48px}
ol.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;background:var(--pri);color:#fff;display:grid;place-items:center;font-weight:700}
code,pre{font-family:ui-monospace,SFMono-Regular,Consolas,"D2Coding",monospace;font-size:14px}
pre{background:#0f172a;color:#e2e8f0;padding:14px 16px;border-radius:10px;overflow-x:auto}
:not(pre)>code{background:var(--bg2);padding:1px 6px;border-radius:6px;border:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);padding-bottom:6px}
.foot{padding:32px 0;font-size:14px;color:var(--mut);border-top:1px solid var(--line)}
.foot p{margin:4px 0}
.mut{color:var(--mut)}
.ok{color:var(--ok)}
form.box{display:grid;gap:10px;max-width:420px}
input{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--fg)}
.msg{min-height:1.5em;font-size:14px}
.msg.err{color:#dc2626}
.hide{display:none!important}
.bar{height:8px;background:var(--line);border-radius:9px;overflow:hidden}.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--pri),var(--pri2))}