/* 오송역 헬로우시티 — 원본 틀 위에 더한 것만. 원본 CSS(theartpixel.css 등)는 고치지 않습니다.
   새 페이지(사업개요·입지·주택홍보관·분양가·소식·관심고객등록) 본문, 관심고객등록 폼, 푸터 운영 안내. */
:root { --os-navy: #003c66; --os-ink: #25282a; --os-sub: #5b6166; --os-line: #e2e5e8; --os-bg: #f4f6f8; }

/* ── 서브 본문 ── */
.os-page { max-width: 1100px; margin: 0 auto; padding: 3.5rem 1.25rem 6rem; color: var(--os-ink); font-family: "Asta Sans", "Noto Sans KR", sans-serif; text-align: left; }
.os-page h2 { font-size: 1.75rem; line-height: 1.35; font-weight: 700; color: var(--os-navy); margin: 3.25rem 0 1rem; letter-spacing: -0.02em; }
.os-page h2:first-child { margin-top: 0; }
.os-page h3 { font-size: 1.25rem; font-weight: 700; margin: 2rem 0 .6rem; }
.os-page p, .os-page li { font-size: 1.0625rem; line-height: 1.85; color: #33383c; }
.os-page p + p { margin-top: .75rem; }
.os-page ul.os-dot { margin: .75rem 0 0; padding: 0; list-style: none; }
.os-page ul.os-dot li { position: relative; padding-left: 1rem; }
.os-page ul.os-dot li::before { content: ''; position: absolute; left: 0; top: .8em; width: 5px; height: 5px; border-radius: 50%; background: var(--os-navy); }
.os-page a:not(.os-btn) { color: var(--os-navy); text-decoration: underline; text-underline-offset: 3px; }
.os-page img { max-width: 100%; height: auto; display: block; }
.os-lead { font-size: 1.1875rem !important; color: var(--os-ink) !important; }
.os-note { font-size: .875rem !important; color: var(--os-sub) !important; line-height: 1.7 !important; margin-top: 1rem; }

.os-spec { border-top: 2px solid var(--os-navy); margin-top: 1rem; }
.os-spec__r { display: flex; gap: 1rem; padding: 1rem .25rem; border-bottom: 1px solid var(--os-line); }
.os-spec__r span { flex: 0 0 8.5rem; font-weight: 700; color: var(--os-navy); font-size: 1rem; }
.os-spec__r b { font-weight: 500; font-size: 1rem; line-height: 1.6; }

.os-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-top: 1.25rem; }
.os-card { background: var(--os-bg); border-radius: 1rem; padding: 1.5rem; }
.os-card .os-num { font-family: 'Futura PT', 'Poppins', sans-serif; font-size: .875rem; letter-spacing: .1em; color: var(--os-navy); }
.os-card h3 { margin-top: .35rem; }
.os-card img { border-radius: .6rem; margin-bottom: 1rem; width: 100%; }
.os-fig { margin: 1.25rem 0 0; }
.os-fig img { width: 100%; border-radius: 1rem; border: 1px solid var(--os-line); }
.os-fig figcaption { font-size: .875rem; color: var(--os-sub); margin-top: .5rem; }

.os-cta { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.os-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 3.25rem; padding: 0 1.75rem; border-radius: 3rem; font-size: 1rem; font-weight: 700; border: 1px solid var(--os-navy); transition: .25s; cursor: pointer; }
.os-btn--fill { background: var(--os-navy); color: #fff !important; }
.os-btn--fill:hover { background: #00284a; }
.os-btn--line { background: #fff; color: var(--os-navy) !important; }
.os-btn--line:hover { background: var(--os-bg); }

.os-faq { margin-top: 1rem; border-top: 2px solid var(--os-navy); }
.os-faq details { border-bottom: 1px solid var(--os-line); }
.os-faq summary { cursor: pointer; padding: 1.15rem 2rem 1.15rem .25rem; font-weight: 700; font-size: 1.0625rem; list-style: none; position: relative; }
.os-faq summary::-webkit-details-marker { display: none; }
.os-faq summary::after { content: '+'; position: absolute; right: .5rem; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--os-navy); }
.os-faq details[open] summary::after { content: '−'; }
.os-faq details p { padding: 0 .25rem 1.25rem; }

.os-steps { counter-reset: s; list-style: none; padding: 0; margin-top: 1rem; }
.os-steps li { counter-increment: s; position: relative; padding: .9rem 0 .9rem 3rem; border-bottom: 1px solid var(--os-line); }
.os-steps li::before { content: counter(s); position: absolute; left: 0; top: .95rem; width: 2rem; height: 2rem; border-radius: 50%; background: var(--os-navy); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: .9rem; }

/* ── 소식 ── */
.os-news { list-style: none; padding: 0; margin-top: 1.5rem; border-top: 2px solid var(--os-navy); }
.os-news li a { display: block; padding: 1.4rem .25rem; border-bottom: 1px solid var(--os-line); text-decoration: none !important; color: inherit !important; transition: .2s; }
.os-news li a:hover { background: var(--os-bg); }
.os-news time { font-size: .875rem; color: var(--os-sub); }
.os-news b { display: block; font-size: 1.1875rem; margin: .3rem 0; color: var(--os-ink); }
.os-news span { font-size: 1rem; color: var(--os-sub); line-height: 1.7; }
.os-post__date { font-size: .9375rem !important; color: var(--os-sub) !important; }
.os-post__t { margin-top: .5rem !important; }

/* ── 관심고객등록 폼 (페이지와 원본 오른쪽 팝업 둘 다) ── */
.os-form { text-align: left; font-family: "Asta Sans", "Noto Sans KR", sans-serif; color: var(--os-ink); }
.os-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.os-field { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1rem; }
.os-field label { font-size: .9375rem; font-weight: 700; }
.os-field label em { color: #c0392b; font-style: normal; }
.os-field input, .os-field select, .os-field textarea { font: inherit; font-size: 1rem; padding: .85rem 1rem; border: 1px solid #c9ced3; border-radius: .6rem; background: #fff; color: var(--os-ink); width: 100%; box-sizing: border-box; -webkit-appearance: none; appearance: none; }
.os-field input:focus, .os-field select:focus, .os-field textarea:focus { outline: 2px solid var(--os-navy); outline-offset: 1px; border-color: var(--os-navy); }
.os-agree { background: var(--os-bg); border-radius: .75rem; padding: 1rem 1.15rem; margin: .5rem 0 1.25rem; }
.os-agree p { font-size: .875rem; line-height: 1.7; color: var(--os-sub); }
.os-check { display: flex; align-items: center; gap: .5rem; margin-top: .6rem; font-weight: 700; font-size: .9375rem; cursor: pointer; }
.os-check input { width: 1.15rem; height: 1.15rem; -webkit-appearance: checkbox; appearance: auto; }
.os-form button { width: 100%; }
.os-form__msg { margin-top: .9rem; font-size: .9375rem; min-height: 1.4em; }
.os-form__msg.is-ok { color: #1e7a3c; }
.os-form__msg.is-bad { color: #c0392b; }
.os-form__tel { margin-top: 1.25rem; font-size: .9375rem; color: var(--os-sub); }
.os-form__tel a { color: var(--os-navy); font-weight: 700; }
.guest_pop_box .os-form { padding: .5rem .25rem 2rem; }

/* ── 푸터 운영 안내 ── */
.os-run { margin: 1rem 0 .5rem; font-size: .8125rem; line-height: 1.7; color: rgba(255,255,255,.72); }
.os-made { margin-top: .5rem; font-size: .75rem; }
.os-made a { color: rgba(255,255,255,.66); }

@media (max-width: 767px) {
  .os-page { padding: 2rem 1rem 4rem; }
  .os-page h2 { font-size: 1.375rem; margin-top: 2.5rem; }
  .os-page p, .os-page li { font-size: 1rem; }
  .os-grid, .os-form__row { grid-template-columns: 1fr; gap: 0; }
  .os-grid { gap: 1rem; }
  .os-spec__r { flex-direction: column; gap: .2rem; }
  .os-spec__r span { flex: none; }
}