:root{
  --bg:#09111f; --bg2:#0f1b31; --panel:#101a30; --panel2:#152345; --line:#25375a;
  --text:#eef4ff; --muted:#aab9d5; --brand:#66e5f7; --brand2:#7c5cff; --brand3:#2f8fff;
  --warn:#f59e0b; --ok:#22c55e; --danger:#ef4444; --shadow:0 18px 46px rgba(0,0,0,.24);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Pretendard Variable","Pretendard","Noto Sans KR",Arial,sans-serif;background:linear-gradient(180deg,#07101d,#0b1629 42%,#0f1b31);color:var(--text);line-height:1.72;font-size:18px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1260px;margin:0 auto;padding:22px 18px 60px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.brand-chip{display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border-radius:999px;background:rgba(16,26,48,.88);border:1px solid rgba(102,229,247,.18);font-weight:900;color:#dffcff}
.top-links{display:flex;flex-wrap:wrap;gap:8px}
.top-links a{padding:10px 13px;border-radius:999px;background:rgba(16,26,48,.78);border:1px solid rgba(152,167,194,.16);font-size:15px;color:#dce8ff}
.hero,.card,.panel,.cta-band,.step-card,.price-card,.faq-card,.notice-card,.image-card,.guide-card{background:rgba(14,22,40,.92);border:1px solid rgba(152,167,194,.18);border-radius:24px;box-shadow:var(--shadow)}
.hero{padding:38px;background:radial-gradient(circle at right top,rgba(102,229,247,.14),transparent 30%),radial-gradient(circle at left top,rgba(124,92,255,.14),transparent 34%),linear-gradient(180deg,rgba(15,24,44,.98),rgba(9,16,30,.98))}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(340px,.82fr);gap:22px;align-items:stretch}
.badges,.cta-row,.icon-list,.footer-links,.feature-chips,.mini-kpis,.button-grid{display:flex;flex-wrap:wrap;gap:10px}
.badge{display:inline-flex;align-items:center;padding:9px 13px;border-radius:999px;background:rgba(20,34,60,.92);border:1px solid rgba(102,229,247,.16);font-size:14px;font-weight:900;color:#c9fbff}
h1,h2,h3,h4{margin:0 0 14px;letter-spacing:-.02em}
h1{font-size:clamp(38px,5vw,64px);line-height:1.05}
h2{font-size:clamp(30px,3.2vw,42px);line-height:1.18}
h3{font-size:23px;line-height:1.35}
h4{font-size:19px;line-height:1.4}
p{margin:0 0 14px}
.lead{font-size:22px;color:#e5eefc}
.muted{color:var(--muted)}
.small{font-size:14px;color:#c5d3eb}
.card,.panel,.faq-card,.notice-card,.image-card,.guide-card,.step-card,.price-card{padding:24px}
.section{margin-top:24px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin:0 0 16px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 18px;border-radius:16px;font-size:16px;font-weight:900;border:1px solid transparent;transition:.18s ease;background:linear-gradient(135deg,var(--brand),var(--brand3));color:#08192d;text-align:center}
.btn:hover{transform:translateY(-1px)}
.btn-secondary{background:rgba(16,26,48,.9);color:#ecf8ff;border-color:rgba(102,229,247,.24)}
.btn-ghost{background:transparent;color:#eff5ff;border-color:rgba(152,167,194,.26)}
.btn-warn{background:linear-gradient(135deg,#f6c453,#f59e0b);color:#352200}
.btn-danger{background:linear-gradient(135deg,#ff9f9f,#ef4444);color:#2d0808}
.grid-2,.grid-3,.grid-4{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.mini-kpis .kpi{flex:1 1 180px;padding:16px 18px;border-radius:18px;background:rgba(8,15,28,.58);border:1px solid rgba(102,229,247,.12)}
.kpi strong{display:block;font-size:26px;margin-bottom:6px}
.list{margin:0;padding-left:20px}
.list li{margin-bottom:10px}
.notice-banner{display:flex;align-items:flex-start;gap:12px;padding:18px;border-radius:18px;background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.26);color:#ffe8bf}
.warning-grid{display:grid;gap:12px}
.warning-item{display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border-radius:18px;background:rgba(8,15,28,.58);border:1px solid rgba(152,167,194,.16)}
.warning-item input{margin-top:4px;inline-size:18px;block-size:18px}
.purchase-box{display:grid;gap:20px;padding:24px;border-radius:24px;background:linear-gradient(135deg,rgba(245,158,11,.1),rgba(102,229,247,.06));border:1px solid rgba(245,158,11,.22)}
.purchase-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:20px}
.input-block{margin-bottom:12px}
.input-label{display:block;font-size:18px;font-weight:900;margin-bottom:8px}
.input-help{display:block;font-size:15px;color:#c9d8ef;margin-top:8px;word-break:keep-all}
.confirm-input{width:100%;min-height:54px;border-radius:16px;border:1px solid rgba(152,167,194,.24);padding:0 16px;background:rgba(7,15,28,.84);color:var(--text);font-size:17px}
.confirm-status{padding:12px 14px;border-radius:14px;background:rgba(8,15,28,.62);border:1px solid rgba(152,167,194,.16);font-size:16px;color:#deebff}
.locked-pay{opacity:.55;pointer-events:none;filter:grayscale(.1)}
.price-card{display:flex;flex-direction:column;gap:14px;height:100%}
.price-card .top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;flex-wrap:wrap}
.price-card .label{display:inline-flex;padding:7px 11px;border-radius:999px;background:rgba(102,229,247,.1);color:#c8f8ff;font-size:12px;font-weight:900}
.price-card .money{font-size:34px;color:#fff;font-weight:900;line-height:1.1}
.price-card .sub{font-size:14px;color:#c8d7ef;font-weight:800}
.price-card .desc{color:#dbe7ff}
.price-card .meta{font-size:14px;color:#cad8ef}
.cta-band{padding:26px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px;align-items:center;background:linear-gradient(135deg,rgba(102,229,247,.08),rgba(124,92,255,.08))}
.step-timeline{display:grid;gap:14px}
.step-card{display:grid;grid-template-columns:54px 1fr;gap:16px;align-items:flex-start}
.step-num{width:54px;height:54px;border-radius:16px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(102,229,247,.18),rgba(124,92,255,.18));border:1px solid rgba(102,229,247,.18);font-weight:900;color:#ecfdff;font-size:18px}
.page-hero{padding:26px 28px}
.page-hero.tight h1{margin-bottom:0}
.page-hero p:last-child{margin-bottom:0}
.image-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.image-card img{border-radius:18px;border:1px solid rgba(152,167,194,.16)}
.image-card h4{margin-top:14px}
.install-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
.guide-block{padding:18px;border-radius:18px;background:rgba(8,15,28,.56);border:1px solid rgba(152,167,194,.15)}
.copy-box{white-space:pre-wrap;background:rgba(7,15,28,.86);border:1px solid rgba(152,167,194,.16);padding:18px;border-radius:18px;font-size:15px;color:#dce8ff}
.tableish{display:grid;gap:10px}
.table-row{display:grid;grid-template-columns:220px 1fr;gap:16px;padding:14px 16px;border-radius:16px;background:rgba(8,15,28,.52);border:1px solid rgba(152,167,194,.14)}
.table-row strong{color:#f2f7ff}
.note-success,.note-danger,.note-neutral{padding:16px 18px;border-radius:18px;border:1px solid rgba(152,167,194,.16)}
.note-success{background:rgba(34,197,94,.08);border-color:rgba(34,197,94,.22)}
.note-danger{background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.2)}
.note-neutral{background:rgba(102,229,247,.08);border-color:rgba(102,229,247,.16)}
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.faq-card{height:100%}
.footer{padding:28px 0 10px;color:var(--muted)}
.footer-links{gap:12px 16px}
.hr{height:1px;background:rgba(152,167,194,.14);margin:12px 0 2px}
@media (max-width:1100px){
  .hero-grid,.purchase-grid,.install-grid,.cta-band,.grid-4,.grid-3,.grid-2,.faq-grid,.image-grid{grid-template-columns:1fr}
  .wrap{padding:18px 14px 44px}
  .hero{padding:28px}
  body{font-size:17px}
  .table-row{grid-template-columns:1fr}
}
@media (max-width:700px){
  body{font-size:16px;line-height:1.65}
  .wrap{padding:14px 12px 34px}
  .hero,.card,.panel,.faq-card,.notice-card,.image-card,.guide-card,.step-card,.price-card,.cta-band{padding:18px;border-radius:20px}
  .topbar{align-items:flex-start}
  .top-links{display:grid;grid-template-columns:1fr 1fr;gap:8px;width:100%}
  .top-links a{text-align:center}
  .badges,.cta-row,.feature-chips,.button-grid,.footer-links,.mini-kpis,.icon-list{display:grid;grid-template-columns:1fr;gap:10px}
  .btn{width:100%}
  .mini-kpis .kpi{width:100%}
  .step-card{grid-template-columns:42px 1fr;padding:16px}
  .step-num{width:42px;height:42px;font-size:16px}
  .price-card .money{font-size:30px}
  .page-hero{padding:20px}
}