:root{
  --bg:#ffffff; --fg:#1f3d3a; --muted:#5f8a84; --card:#f4fdfb; --line:#d8efea;
  --accent:#0f9f91; --accent-fg:#ffffff; --badge-bg:#e9fcf8; --badge-fg:#0f766e;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0; padding:20px 18px 72px;
  font-family:-apple-system,BlinkMacSystemFont,"Pretendard","Apple SD Gothic Neo",
    "Segoe UI",Roboto,"Helvetica Neue",sans-serif;
  background:var(--bg); color:var(--fg);
  line-height:1.75; font-size:16px;
  word-break:keep-all; overflow-wrap:anywhere;
}
main{max-width:760px;margin:0 auto}
a{color:var(--accent)}
p,li{margin:.5em 0}
ul{padding-left:1.3em}

/* 상단 바 */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:4px 0 22px;border-bottom:1px solid var(--line);margin-bottom:28px}
.topbar .logo{font-weight:800;color:var(--fg);text-decoration:none;letter-spacing:-.01em;font-size:1.05rem}
.topbar .logo span{color:var(--muted);font-weight:600;font-size:.8rem;letter-spacing:.08em;margin-left:8px}
.topbar nav a{margin-left:16px;color:var(--muted);text-decoration:none;font-size:.92rem;font-weight:600}
.topbar nav a:hover{color:var(--accent)}

/* 히어로 */
.hero{display:flex;gap:20px;align-items:flex-start;margin:8px 0 6px}
.hero .icon{width:92px;height:92px;border-radius:21px;flex:none;box-shadow:0 3px 14px rgba(15,159,145,.14)}
.eyebrow{color:var(--muted);font-size:.9rem;margin:0 0 .2em}
h1{font-size:1.9rem;line-height:1.25;margin:0 0 .25em;letter-spacing:-.01em}
h1 .en{display:block;color:var(--muted);font-size:.95rem;font-weight:600;letter-spacing:.08em;margin-top:6px}
.lede{font-size:1.1rem;margin:0 0 .6em}
.cta-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:.8em 0 1.8em}
.cta{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--accent-fg);text-decoration:none;padding:11px 20px;border-radius:999px;font-weight:700;line-height:1.2}
.cta svg{width:18px;height:18px;fill:currentColor}
.cta.secondary{background:transparent;color:var(--accent);border:1px solid var(--line)}
.cta:hover{filter:brightness(1.05)}

h2{font-size:1.2rem;margin:2.2em 0 .6em;padding-top:.6em;border-top:1px solid var(--line)}
h2:first-of-type{border-top:0;padding-top:0}

/* 카드 */
.grid{display:grid;grid-template-columns:1fr;gap:12px;margin:1em 0}
@media (min-width:600px){.grid{grid-template-columns:1fr 1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.card h3{margin:0 0 .3em;font-size:1.02rem;color:var(--accent)}
.card p{margin:0;color:var(--muted);font-size:.95rem}
.card p+p{margin-top:.4em}
.notice{background:var(--card);border-left:4px solid var(--accent);padding:12px 16px;border-radius:0 12px 12px 0;margin:1em 0;font-size:.95rem}
.notice p:first-child{margin-top:0}.notice p:last-child{margin-bottom:0}

/* 단계 */
.steps{counter-reset:s;list-style:none;padding:0;margin:1em 0}
.steps li{position:relative;padding-left:40px;margin:.8em 0}
.steps li::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:.2em;width:26px;height:26px;border-radius:50%;background:var(--badge-bg);color:var(--badge-fg);border:1px solid var(--line);font-weight:800;font-size:.85rem;display:flex;align-items:center;justify-content:center}
.steps strong{display:block}

/* 스크린샷 */
.shots{display:flex;gap:12px;overflow-x:auto;padding:4px 0 14px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.shots img{height:460px;width:auto;border-radius:18px;border:1px solid var(--line);flex:none;scroll-snap-align:start;background:var(--card)}
.shots-hint{color:var(--muted);font-size:.85rem;margin:-.4em 0 0}

/* 사실 표 */
.facts{width:100%;border-collapse:collapse;font-size:.94rem;margin:1em 0}
.facts th,.facts td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
.facts th{background:var(--card);font-weight:700;white-space:nowrap;width:30%}

/* 제품 목록 (메인) */
.products{display:grid;grid-template-columns:1fr;gap:14px;margin:1em 0}
@media (min-width:560px){.products{grid-template-columns:1fr 1fr}}
.product{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;text-decoration:none;color:inherit;transition:border-color .15s}
.product:hover{border-color:var(--accent)}
.product img{width:64px;height:64px;border-radius:15px;flex:none}
.product h3{margin:0 0 .15em;font-size:1.05rem;color:var(--fg)}
.product .sub{margin:0;color:var(--muted);font-size:.9rem}
.product .more{color:var(--accent);font-size:.88rem;font-weight:700;margin-top:.45em;display:block}
.badge{display:inline-block;background:var(--badge-bg);color:var(--badge-fg);border:1px solid var(--line);border-radius:999px;padding:1px 9px;font-size:.78rem;font-weight:700;white-space:nowrap;vertical-align:middle;margin-left:6px}

.doclinks{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:.92rem;margin:.6em 0}
.en-section{margin-top:3em;padding-top:1.4em;border-top:2px solid var(--line)}
.en-section h1{font-size:1.4rem}
hr{border:0;border-top:1px solid var(--line);margin:3em 0}
footer{margin-top:3em;padding-top:1.4em;border-top:1px solid var(--line);color:var(--muted);font-size:.88rem}
footer nav a{margin-right:14px;display:inline-block}