/* PICORD SEO 채널 (소개·가이드·자주 묻는 질문) — 앱 디자인 v2와 같은 톤: 흰 바탕, 검정 글씨, 노랑 하나, 테두리 없이 회색 면 */
:root{--ink:#111114;--sub:#6b6b76;--soft:#f4f4f6;--soft2:#ececf0;--line:#e6e6ea;--accent:#ffd23f;--max:1080px;--narrow:720px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--ink);font-family:"Pretendard",-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-wrap:anywhere}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.narrow{max-width:var(--narrow)}
.pad{padding-top:56px;padding-bottom:72px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 14px;z-index:9}
.skip:focus{left:12px;top:12px}

/* 머리 */
.top{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px)}
.top-in{display:flex;align-items:center;gap:20px;height:60px}
.logo{font-weight:900;letter-spacing:.14em;font-size:17px;text-decoration:none}
.menu{display:flex;gap:4px;margin-left:8px}
.menu a{text-decoration:none;color:var(--sub);font-weight:600;font-size:15px;padding:8px 12px;border-radius:999px}
.menu a:hover,.menu a[aria-current]{color:var(--ink);background:var(--soft)}
.open-app{margin-left:auto;text-decoration:none;background:var(--ink);color:#fff;font-weight:700;font-size:14px;padding:9px 16px;border-radius:999px;white-space:nowrap}
@media (max-width:640px){.menu{display:none}.top-in{height:56px}}

/* 공통 글자 */
h1{font-size:clamp(30px,5.4vw,52px);line-height:1.22;letter-spacing:-.02em;margin:0 0 18px;font-weight:800}
h2{font-size:clamp(23px,3.2vw,30px);line-height:1.35;letter-spacing:-.01em;margin:56px 0 14px;font-weight:800}
h3{font-size:19px;line-height:1.45;margin:32px 0 8px;font-weight:700}
p{margin:0 0 16px}
.lead{font-size:clamp(17px,2.2vw,20px);color:#3a3a42;line-height:1.65}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;text-decoration:none;font-weight:700;font-size:16px;padding:14px 22px;border-radius:999px;background:var(--soft);color:var(--ink);margin:4px 6px 4px 0}
.btn-dark{background:var(--ink);color:#fff}
.btn-accent{background:var(--accent);color:var(--ink)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:22px 0 0;font-size:14px;color:var(--sub)}
.crumbs li+li::before{content:"›";margin-right:6px;color:#b8b8c0}
.crumbs a{text-decoration:none}
.crumbs a:hover{text-decoration:underline}

/* 소개: 첫 화면 */
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:56px 0 40px}
.hero .eyebrow{display:inline-block;background:var(--soft);border-radius:999px;padding:6px 12px;font-size:13.5px;font-weight:700;margin-bottom:18px}
.hero-rec{width:100%;max-width:440px;margin:0 auto;filter:drop-shadow(0 24px 40px rgba(0,0,0,.18))}
.hero-rec svg{width:100%;height:auto;display:block}
@media (max-width:820px){.hero{grid-template-columns:1fr;padding-top:36px}.hero-rec{max-width:320px;order:-1}}
@media (prefers-reduced-motion:reduce){.hero-rec animateTransform{display:none}}

/* 정의 · 수치 */
.define{background:var(--soft);border-radius:24px;padding:28px 28px 12px;margin:8px 0 0}
.define h2{margin-top:0}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0 16px}
.facts div{background:#fff;border-radius:18px;padding:16px}
.facts b{display:block;font-size:24px;line-height:1.2;letter-spacing:-.01em}
.facts span{color:var(--sub);font-size:14px}
@media (max-width:560px){.facts{grid-template-columns:1fr}}

/* 기능 묶음 */
.feats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px}
.feat{background:var(--soft);border-radius:22px;padding:22px 22px 8px}
.feat h3{margin:0 0 6px;font-size:18px}
.feat .tag{display:inline-block;font-size:12.5px;font-weight:700;color:var(--sub);margin-bottom:8px}
.feat p{color:#3a3a42;font-size:15.5px}
@media (max-width:640px){.feats{grid-template-columns:1fr}}

/* 순서 */
.steps{counter-reset:s;list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}
.steps li{counter-increment:s;background:var(--soft);border-radius:18px;padding:16px 18px 16px 60px;position:relative}
.steps li::before{content:counter(s);position:absolute;left:16px;top:14px;width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;font-weight:800;display:grid;place-items:center;font-size:14px}

/* 카드 목록 */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px}
@media (max-width:860px){.cards{grid-template-columns:repeat(2,1fr)}}
@media (max-width:540px){.cards{grid-template-columns:1fr}}
.card{text-decoration:none;display:flex;flex-direction:column;gap:6px}
.card .thumb{display:block;aspect-ratio:4/3;border-radius:20px;overflow:hidden;background:var(--soft)}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.card:hover .thumb img{transform:scale(1.03)}
.card-t{font-weight:700;font-size:17.5px;line-height:1.45;margin-top:6px}
.card-d{color:var(--sub);font-size:14.5px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-m{color:#9a9aa4;font-size:13px}

/* 글 */
.post-head{padding:28px 0 8px}
.post-meta{color:var(--sub);font-size:14.5px;margin-bottom:22px}
.summary{background:#fff8d6;border-radius:20px;padding:20px 22px;margin:8px 0 28px}
.summary b{display:block;font-size:14px;margin-bottom:6px}
.summary p{margin:0;font-size:16.5px}
.post-hero{border-radius:24px;overflow:hidden;margin:0 0 28px;background:var(--soft)}
.toc{background:var(--soft);border-radius:18px;padding:16px 20px;margin:0 0 8px;font-size:15px}
.toc b{display:block;margin-bottom:6px}
.toc ol{margin:0;padding-left:20px}
.toc a{text-decoration:none;color:#3a3a42}
.toc a:hover{text-decoration:underline}
.prose{font-size:17px;line-height:1.85}
.prose h2{scroll-margin-top:80px}
.prose h3{scroll-margin-top:80px}
.prose ul,.prose ol{padding-left:22px;margin:0 0 18px}
.prose li{margin:6px 0}
.prose a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:#c9c9d1}
.prose blockquote{margin:20px 0;padding:16px 20px;background:var(--soft);border-radius:16px}
.prose blockquote p{margin:0}
.prose figure{margin:24px 0}
.prose figure img{border-radius:18px}
.prose figcaption{color:var(--sub);font-size:14px;margin-top:8px;text-align:center}
.tbl{overflow-x:auto;margin:18px 0 22px;border-radius:16px;background:var(--soft)}
table{border-collapse:collapse;width:100%;font-size:15.5px;line-height:1.55}
th,td{text-align:left;padding:12px 16px;vertical-align:top}
th{font-weight:700;background:var(--soft2);white-space:nowrap}
tr+tr td{border-top:1px solid #fff}

/* 자주 묻는 질문 */
.qa{background:var(--soft);border-radius:22px;padding:22px 24px 8px;margin:14px 0}
.qa h2,.qa h3{margin:0 0 8px;font-size:19px;line-height:1.45}
.qa p{color:#3a3a42}

/* 아래 띠 · 바닥 */
.cta-band{background:var(--ink);color:#fff;margin-top:72px}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:44px;padding-bottom:44px}
.cta-in h2{margin:0 0 6px;font-size:26px}
.cta-in p{margin:0;color:#c9c9d1}
.cta-band .btn-dark{background:var(--accent);color:var(--ink);flex:none}
@media (max-width:640px){.cta-in{flex-direction:column;align-items:flex-start}}
.foot{background:#fafafb;padding:44px 0 56px;color:var(--sub);font-size:14px}
.cta-band+.foot{margin-top:0}
.foot .logo{color:var(--ink)}
.brand-line{margin:10px 0 14px;max-width:560px}
.foot-nav{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:14px}
.foot-nav a{text-decoration:none;font-weight:600;color:#4a4a52}
.op,.copy{margin:4px 0;font-size:13px}
.section{padding-top:8px}
.more{margin-top:18px}