:root{--green:#13c842;--dark:#102019;--muted:#5b6b62;--line:#e6eee8;--bg:#f7fbf8;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans KR","Apple SD Gothic Neo",Arial,sans-serif;color:var(--dark);background:var(--bg);line-height:1.6}.site-header{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:14px 18px;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.brand{display:flex;gap:9px;align-items:center;text-decoration:none;color:var(--dark);font-weight:800}.brand-mark{background:var(--dark);color:#fff;border-radius:999px;padding:4px 9px;font-size:12px}.nav-cta{color:var(--green);font-weight:800;text-decoration:none}.hero{padding:38px 18px 26px;background:radial-gradient(circle at 80% 0%,#dfffe8,transparent 40%),linear-gradient(180deg,#fff,var(--bg))}.hero-card{max-width:760px;margin:auto;padding:28px 20px;border:1px solid var(--line);border-radius:28px;background:var(--white);box-shadow:0 16px 50px rgba(16,32,25,.08)}.eyebrow{color:var(--green);font-weight:800;letter-spacing:.04em;text-transform:uppercase;font-size:13px}h1{font-size:34px;line-height:1.16;margin:10px 0 14px}h2{font-size:25px;margin:0 0 14px}h3{margin:0 0 8px;font-size:18px}.hero-text{font-size:17px;color:var(--muted)}.hero-actions{display:grid;gap:10px;margin-top:22px}.primary-btn,.secondary-btn,.wide-band-btn{display:flex;justify-content:center;align-items:center;border-radius:16px;padding:14px 16px;text-decoration:none;font-weight:900}.primary-btn{background:var(--green);color:#fff}.secondary-btn{background:#eef8f1;color:var(--dark)}.notice,.small{color:var(--muted);font-size:13px}.section{padding:30px 18px;max-width:820px;margin:auto}.grid{display:grid;gap:14px}.feature{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px}.soft{background:#fff;border:1px solid var(--line);border-radius:26px;margin-top:12px}.steps{padding-left:22px}.wide-band-btn{gap:10px;background:var(--green);color:#fff;margin-top:18px}.wide-band-btn img{width:30px;height:30px;border-radius:8px}.contact a{color:var(--green);font-weight:800}.footer{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;align-items:center;padding:26px 18px 92px;color:var(--muted);font-size:13px}.footer a{color:var(--dark);text-decoration:none;font-weight:700}.floating-band{position:fixed;right:18px;bottom:18px;z-index:999;width:66px;height:66px;border-radius:22px;box-shadow:0 12px 28px rgba(0,0,0,.22);background:var(--green);display:flex;align-items:center;justify-content:center;transition:transform .2s ease}.floating-band:active{transform:scale(.96)}.floating-band img{width:66px;height:66px;border-radius:22px;display:block}@media (min-width:720px){.hero{padding:58px 24px 40px}.hero-card{padding:44px}h1{font-size:48px}.hero-actions{display:flex}.primary-btn,.secondary-btn{padding-left:24px;padding-right:24px}.grid{grid-template-columns:repeat(3,1fr)}.floating-band{right:28px;bottom:28px}}