:root {
  color-scheme: light;
  --ink: #171a23;
  --muted: #697180;
  --paper: #f5f7fb;
  --white: #fff;
  --line: #e1e5ec;
  --rcom: #ee4409;
  --rcom-soft: #fff2ec;
  --blue-soft: #eff1ff;
  --shadow: 0 18px 52px rgba(30, 39, 62, .09);
}

* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; }
body {
  margin: 0;
  padding-bottom: 52px;
  color: var(--ink);
  background: radial-gradient(circle at 0 0, rgba(238,68,9,.075), transparent 28rem), var(--paper);
  font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
.page-shell { width: min(900px, calc(100% - 32px)); min-height: 100vh; margin: 0 auto; padding: 24px 0 0; display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.wordmark { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-size: .9rem; font-weight: 850; text-decoration: none; }
.wordmark-icon { position: relative; width: 28px; height: 28px; border: 2px solid var(--ink); border-radius: 8px; }
.wordmark-icon::before, .wordmark-icon::after { content: ""; position: absolute; left: 6px; width: 12px; height: 2px; border-radius: 99px; background: var(--ink); }
.wordmark-icon::before { top: 7px; }
.wordmark-icon::after { top: 14px; }
.back-link { display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--line); border-radius: 999px; padding: 9px 13px; color: var(--muted); background: rgba(255,255,255,.85); font-size: .82rem; font-weight: 800; text-decoration: none; }
.back-link:hover { color: var(--ink); }

.hero { padding: 70px 0 30px; }
.hero-icon { width: 58px; height: 58px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 18px; background: var(--rcom-soft); font-size: 1.65rem; }
.eyebrow { margin: 0 0 9px; color: var(--rcom); font-size: .76rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(2.15rem, 6vw, 3.7rem); line-height: 1.12; letter-spacing: -.055em; }
.lead { max-width: 690px; margin: 15px 0 0; color: var(--muted); font-size: 1rem; line-height: 1.72; }

.content-card { margin-top: 18px; padding: clamp(24px, 5vw, 44px); border: 1px solid var(--line); border-radius: 26px; background: var(--white); box-shadow: var(--shadow); }
.section { scroll-margin-top: 20px; }
.section + .section { margin-top: 42px; padding-top: 40px; border-top: 1px solid var(--line); }
.section h2 { margin: 0 0 18px; font-size: clamp(1.4rem, 3.5vw, 2rem); letter-spacing: -.04em; }
.section h3 { margin: 25px 0 9px; font-size: 1.08rem; letter-spacing: -.025em; }
.section p { margin: 0; color: #4f5766; line-height: 1.72; }
.section p + p { margin-top: 9px; }
.section ul, .section ol { margin: 10px 0 0; padding-left: 22px; color: #4f5766; line-height: 1.78; }
.notice { margin-top: 18px; padding: 14px 16px; border-left: 3px solid #e04c35; border-radius: 8px; color: #753128; background: #fff2ef; font-size: .9rem; line-height: 1.65; }
.info { border-color: #df9f31; color: #665126; background: #fff9eb; }

.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; }
table { width: 100%; min-width: 470px; border-collapse: collapse; font-size: .9rem; }
th, td { padding: 13px 15px; border-bottom: 1px solid var(--line); text-align: left; line-height: 1.55; }
thead th { color: var(--muted); background: #f7f8fa; font-size: .8rem; }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }
.guide-image { display: block; width: min(100%, 620px); max-height: 420px; margin: 18px auto 0; object-fit: contain; border-radius: 16px; background: #f7f8fa; }
.faq { display: grid; gap: 10px; }
.faq details { border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.faq summary { padding: 16px 18px; cursor: pointer; font-weight: 850; }
.faq details > div { padding: 0 18px 18px; }
.faq details p, .faq details ul { font-size: .9rem; }
.warranty-summary { padding: 22px; border-radius: 18px; color: #fff; background: #202734; }
.warranty-summary h2 { color: #fff; }
.warranty-summary p, .warranty-summary li { color: #dfe2e8; }
.quick-links { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; margin-top: 24px; }
.quick-links a { padding: 14px 16px; border: 1px solid var(--line); border-radius: 13px; background: #fafbfc; font-size: .87rem; font-weight: 800; text-decoration: none; }
.quick-links a:hover { background: var(--rcom-soft); }
footer { position: fixed; left: 50%; bottom: 0; z-index: 8; width: min(900px, calc(100% - 32px)); transform: translateX(-50%); margin-top: auto; padding: 12px 0; border-top: 1px solid var(--line); color: var(--muted); background: rgba(245,247,251,.94); backdrop-filter: blur(14px); font-size: .78rem; text-align: center; }

@media (max-width: 620px) {
  .page-shell { width: min(100% - 22px, 900px); padding-top: 16px; }
  .topbar { align-items: flex-start; }
  .hero { padding-top: 48px; }
  .content-card { border-radius: 20px; }
  .quick-links { grid-template-columns: 1fr; }
}