:root {
  --bg: #f5f8ff;
  --surface: #ffffff;
  --surface-soft: #f8fbff;
  --line: #d8e4f7;
  --text: #17304e;
  --muted: #58708f;
  --accent: #3566b3;
  --accent-2: #8aa8ea;
  --accent-soft: rgba(53, 102, 179, 0.08);
  --shadow: 0 16px 40px rgba(18, 48, 95, 0.08);
  --radius: 22px;
  --max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg) 0%, #ffffff 28%, var(--bg) 100%);
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.topbar {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(216, 228, 247, .8);
}
.topbar .inner {
  display:flex; align-items:center; justify-content:space-between; gap:18px;
  min-height: 74px;
}
.brand { display:flex; align-items:center; gap:12px; font-weight: 800; font-size: 1.06rem; }
.brand-badge {
  width: 34px; height: 34px; border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; display:grid; place-items:center; font-weight:800;
}
.nav { display:flex; gap:22px; flex-wrap:wrap; color: var(--muted); font-size: .95rem; }
.call-btn {
  display:inline-flex; align-items:center; justify-content:center;
  padding: 12px 18px; border-radius: 999px; font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; box-shadow: var(--shadow);
}
.hero {
  padding: 54px 0 28px;
}
.hero-grid {
  display:grid; grid-template-columns: 1.2fr .8fr; gap: 24px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-panel {
  padding: 34px;
  background:
    radial-gradient(circle at top right, rgba(255,255,255,.32), transparent 26%),
    linear-gradient(135deg, var(--accent-soft), rgba(255,255,255,.88));
}
.kicker {
  display:inline-flex; align-items:center; gap:8px;
  padding: 8px 12px; border-radius: 999px;
  background: #fff; border: 1px solid var(--line); color: var(--accent); font-weight: 700; font-size: .87rem;
}
h1, h2, h3 { margin: 0 0 14px; line-height: 1.28; letter-spacing: -0.02em; }
h1 { font-size: clamp(2rem, 4.2vw, 3.25rem); }
h2 { font-size: clamp(1.4rem, 2.7vw, 2rem); }
h3 { font-size: 1.12rem; }
.lead { font-size: 1.05rem; color: var(--muted); margin: 0 0 20px; }
.cta-row { display:flex; gap:12px; flex-wrap:wrap; margin-top: 24px; }
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 14px 18px; border-radius: 14px; font-weight: 800;
  border: 1px solid transparent;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color:#fff; }
.btn-secondary { background:#fff; border-color: var(--line); color: var(--accent); }
.hero-side {
  padding: 28px; display:flex; flex-direction:column; gap: 14px;
  background: #fff;
}
.stat {
  padding: 18px; border-radius: 18px; background: var(--surface-soft); border: 1px solid var(--line);
}
.stat strong { display:block; font-size: 1.08rem; margin-bottom: 8px; }
.quick-grid, .feature-grid, .posts-grid, .footer-grid {
  display:grid; gap: 18px;
}
.quick-grid { grid-template-columns: repeat(4, 1fr); }
.feature-grid { grid-template-columns: repeat(3, 1fr); }
.posts-grid { grid-template-columns: repeat(3, 1fr); }
.quick-card, .feature-card, .post-card, .faq-item {
  padding: 22px;
}
.quick-card, .feature-card, .post-card {
  background: #fff; border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow);
}
.tag {
  display:inline-block; margin-bottom: 10px; padding: 6px 10px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-weight: 700; font-size: .82rem;
}
.quick-card ul, .feature-card ul, .post-body ul, .footer-list {
  margin: 10px 0 0; padding-left: 18px;
}
section { padding: 18px 0 20px; }
.section-head { margin-bottom: 18px; }
.list-note { color: var(--muted); font-size: .95rem; }
.posts-grid .post-card h3 { min-height: 58px; }
.post-card p { color: var(--muted); margin: 0 0 16px; }
.read-more {
  display:inline-flex; align-items:center; gap:8px; color: var(--accent); font-weight: 800;
}
.faq-wrap {
  display:grid; gap: 14px;
}
.faq-item {
  background: #fff; border-radius: 18px; border: 1px solid var(--line); box-shadow: var(--shadow);
}
.faq-item p { color: var(--muted); margin: 0; }
.notice-box {
  padding: 26px; border-radius: 22px; border: 1px dashed var(--accent-2);
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(245,248,255,.92));
}
.footer {
  margin-top: 18px; padding: 26px 0 40px;
}
.footer-inner {
  padding: 30px;
  background: linear-gradient(180deg, #15335e, #20497f);
  color: rgba(255,255,255,.95); border-radius: 26px; box-shadow: var(--shadow);
}
.footer-grid { grid-template-columns: 1.2fr .9fr .9fr .9fr; }
.footer h3, .footer h4 { margin-bottom: 12px; }
.footer p, .footer li, .footer a { color: rgba(255,255,255,.86); }
.footer-list { padding-left: 18px; margin: 0; }
.footer .call-btn { background: #fff; color: var(--accent); box-shadow: none; }
.mini { color: var(--muted); font-size: .92rem; }
.post-layout {
  display:grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 22px; padding: 36px 0 30px;
}
.post-main {
  padding: 32px;
}
.post-body section {
  padding: 0;
  margin-top: 28px;
}
.post-body h2 { font-size: 1.46rem; margin-bottom: 10px; }
.post-body p { margin: 0 0 14px; color: #314b69; }
.sidebar {
  padding: 24px; align-self: start; position: sticky; top: 94px;
}
.info-box {
  padding: 18px; border-radius: 16px; background: var(--surface-soft); border: 1px solid var(--line);
  margin-bottom: 14px;
}
.breadcrumbs {
  color: var(--muted); font-size: .92rem; margin-bottom: 12px;
}
.table-like {
  display:grid; gap: 10px; margin-top: 14px;
}
.table-row {
  display:grid; grid-template-columns: 160px 1fr; gap: 12px;
  padding: 14px 16px; border-radius: 16px; background: var(--surface-soft); border: 1px solid var(--line);
}
.table-row strong { color: var(--accent); }
.sticky-call {
  position: fixed; right: 22px; bottom: 22px; z-index: 50;
}
@media (max-width: 1080px) {
  .hero-grid, .post-layout, .footer-grid, .posts-grid, .quick-grid, .feature-grid { grid-template-columns: 1fr 1fr; }
  .post-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}
@media (max-width: 760px) {
  .nav { display:none; }
  .topbar .inner { min-height: 68px; }
  .hero-panel, .hero-side, .post-main, .footer-inner { padding: 24px; }
  .hero-grid, .quick-grid, .feature-grid, .posts-grid, .footer-grid { grid-template-columns: 1fr; }
  .table-row { grid-template-columns: 1fr; }
  .sticky-call { right: 14px; bottom: 14px; }
}