/* A88 가이드 — 검색 유입용 정적 글. 앱 번들과 분리(가볍게, JS 없이 읽힘) */
:root { --ink:#0f172a; --body:#334155; --mute:#64748b; --line:#e2e8f0; --bg:#f8fafc; --card:#fff; --acc:#ea580c; --acc-soft:#fff7ed; --bad:#be123c; --bad-soft:#fff1f2; --good:#15803d; --good-soft:#f0fdf4; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--body); font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif; line-height: 1.75; -webkit-font-smoothing: antialiased; word-break: keep-all; overflow-wrap: anywhere; }
.wrap { max-width: 720px; margin: 0 auto; padding: 20px 16px 56px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.logo { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none; font-weight: 800; font-size: 14px; }
.logo b { background: linear-gradient(135deg,#f97316,#ea580c); color: #fff; padding: 3px 10px; border-radius: 999px; font-size: 13px; }
.top a.calc { color: var(--acc); font-weight: 700; font-size: 13px; text-decoration: none; }
nav.crumb { font-size: 12px; color: var(--mute); margin: 22px 0 6px; }
nav.crumb a { color: var(--mute); }
h1 { color: var(--ink); font-size: 27px; line-height: 1.35; letter-spacing: -0.5px; margin: 0 0 10px; }
.meta { font-size: 12px; color: var(--mute); margin-bottom: 22px; }
h2 { color: var(--ink); font-size: 20px; letter-spacing: -0.3px; margin: 38px 0 10px; line-height: 1.4; }
h3 { color: var(--ink); font-size: 16px; margin: 24px 0 6px; }
p { margin: 0 0 14px; }
a { color: var(--acc); }
.lead { font-size: 16px; color: var(--ink); }
.box { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; margin: 18px 0; }
.box.bad { background: var(--bad-soft); border-color: #fecdd3; }
.box.good { background: var(--good-soft); border-color: #bbf7d0; }
.box.acc { background: var(--acc-soft); border-color: #fed7aa; }
.formula { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; background: #0f172a; color: #f8fafc; border-radius: 12px; padding: 14px 16px; font-size: 14px; overflow-x: auto; white-space: pre; margin: 14px 0; }
table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 14px 0; background: var(--card); border-radius: 12px; overflow: hidden; border: 1px solid var(--line); }
th, td { padding: 9px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: #f1f5f9; color: var(--ink); font-size: 13px; }
td.n { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.total td { font-weight: 800; color: var(--ink); background: #f8fafc; }
tr.neg td.n { color: var(--bad); font-weight: 800; }
tr.pos td.n { color: var(--good); font-weight: 800; }
.tablewrap { overflow-x: auto; }
ul, ol { padding-left: 20px; margin: 0 0 14px; }
li { margin: 4px 0; }
.cta { display: block; text-align: center; background: linear-gradient(135deg,#f97316,#ea580c); color: #fff; font-weight: 800; text-decoration: none; padding: 15px; border-radius: 12px; margin: 22px 0 6px; box-shadow: 0 6px 18px rgba(249,115,22,.25); }
.ctasub { text-align: center; font-size: 12px; color: var(--mute); margin: 0 0 18px; }
.try { display: inline-block; font-weight: 700; font-size: 13px; text-decoration: none; border: 1px solid #fed7aa; background: var(--acc-soft); padding: 6px 12px; border-radius: 999px; }
.note { font-size: 12px; color: var(--mute); }
details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; margin: 10px 0; }
summary { font-weight: 700; color: var(--ink); cursor: pointer; }
.related { display: grid; gap: 10px; margin-top: 12px; }
.related a { display: block; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; text-decoration: none; color: var(--ink); font-weight: 700; }
.related a span { display: block; font-weight: 400; font-size: 13px; color: var(--mute); margin-top: 2px; }
footer { margin-top: 44px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 12px; color: var(--mute); line-height: 1.7; }
footer a { color: var(--mute); }
@media (min-width: 640px) { h1 { font-size: 32px; } .wrap { padding-top: 28px; } }