@charset "UTF-8";
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css");
@import url("https://cdn.jsdelivr.net/npm/remixicon@4.6.0/fonts/remixicon.css");

:root {
	--ob-accent: #3182f6;
	--ob-accent-dark: #1b64da;
	--ob-accent-soft: rgba(49, 130, 246, 0.09);
	--ob-ink: #191f28;
	--ob-ink-sub: #333d4b;
	--ob-ink-muted: #6b7684;
	--ob-ink-light: #8b95a1;
	--ob-bg: #ffffff;
	--ob-surface: #f9fafb;
	--ob-surface-2: #f2f4f6;
	--ob-line: #e5e8eb;
	--ob-radius-lg: 20px;
	--ob-radius-md: 14px;
	--ob-radius-sm: 10px;
	--ob-shadow-sm: 0 4px 18px rgba(25, 31, 40, 0.045);
	--ob-shadow-md: 0 14px 36px rgba(25, 31, 40, 0.085);
	--ob-font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
}

.ob-root,
.ob-root *,
.ob-root *::before,
.ob-root *::after {
	box-sizing: border-box;
}

.ob-root i[class^="ri-"],
.ob-root i[class*=" ri-"] {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	line-height: 1;
	vertical-align: -0.12em;
}

.ob-root {
	font-family: var(--ob-font);
	color: var(--ob-ink);
	background: var(--ob-bg);
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

.ob-progress {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	height: 3px;
	z-index: 200;
	background: transparent;
	pointer-events: none;
}

.ob-progress__bar {
	height: 100%;
	width: 0%;
	background: linear-gradient(90deg, var(--ob-accent), #60a5fa);
	transition: width 0.08s linear;
}

.ob-container {
	width: 100%;
	max-width: 1140px;
	margin: 0 auto;
	padding: 0 24px;
}

/* ==========================================================================
   1. 상단 네비게이션 바 (Toss Tech & Tistory 에디토리얼 스타일)
   ========================================================================== */
.ob-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: rgba(255, 255, 255, 0.9);
	backdrop-filter: saturate(180%) blur(16px);
	-webkit-backdrop-filter: saturate(180%) blur(16px);
	border-bottom: 1px solid var(--ob-line);
}

.ob-header__inner {
	height: 68px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
}

.ob-brand {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	text-decoration: none;
	color: var(--ob-ink);
	font-weight: 800;
	font-size: 19px;
	letter-spacing: -0.025em;
}

.ob-brand__icon {
	width: 32px;
	height: 32px;
	border-radius: 9px;
	background: var(--ob-ink);
	color: #ffffff;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-size: 16px;
}

.ob-brand__logo {
	height: 30px;
	width: auto;
	border-radius: 6px;
	object-fit: contain;
}

.ob-brand__dot {
	display: inline-block;
	width: 7px;
	height: 7px;
	border-radius: 999px;
	background: var(--ob-accent);
	margin-left: 3px;
}

.ob-brand__badge {
	font-size: 10.5px;
	font-weight: 800;
	letter-spacing: 0.06em;
	padding: 3px 8px;
	border-radius: 6px;
	background: var(--ob-surface-2);
	color: var(--ob-ink-muted);
}

.ob-header__actions {
	display: flex;
	align-items: center;
	gap: 10px;
}

.ob-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	font-family: inherit;
	font-size: 14px;
	font-weight: 600;
	padding: 9px 16px;
	border-radius: 10px;
	border: 1px solid transparent;
	text-decoration: none;
	cursor: pointer;
	transition: all 0.16s ease;
	white-space: nowrap;
}

.ob-btn--ghost {
	background: transparent;
	color: var(--ob-ink-sub);
}
.ob-btn--ghost:hover {
	background: var(--ob-surface-2);
}

.ob-btn--primary {
	background: var(--ob-accent);
	color: #ffffff;
}
.ob-btn--primary:hover {
	background: var(--ob-accent-dark);
	transform: translateY(-1px);
}

.ob-btn--dark {
	background: var(--ob-ink);
	color: #ffffff;
}
.ob-btn--dark:hover {
	opacity: 0.9;
}

/* ==========================================================================
   2. 에디토리얼 매스트헤드 & 추천 아티클(Featured)
   ========================================================================== */
.ob-intro {
	padding: 52px 0 32px;
	border-bottom: 1px solid var(--ob-line);
	margin-bottom: 32px;
}

.ob-intro__kicker {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-size: 12px;
	font-weight: 800;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--ob-accent);
	margin-bottom: 10px;
}

.ob-intro__title {
	font-size: clamp(28px, 4vw, 40px);
	font-weight: 800;
	letter-spacing: -0.035em;
	line-height: 1.24;
	margin: 0 0 10px;
	color: var(--ob-ink);
}

.ob-intro__sub {
	font-size: 16.5px;
	color: var(--ob-ink-muted);
	margin: 0;
	line-height: 1.6;
}

.ob-hero {
	margin: 0 0 40px;
}

.ob-hero-card {
	display: grid;
	grid-template-columns: 1.15fr 1fr;
	gap: 36px;
	align-items: center;
	background: #ffffff;
	border: 1px solid var(--ob-line);
	border-radius: 22px;
	padding: 26px;
	text-decoration: none;
	color: inherit;
	box-shadow: var(--ob-shadow-sm);
	transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.ob-hero-card:hover {
	transform: translateY(-3px);
	box-shadow: var(--ob-shadow-md);
	border-color: rgba(49, 130, 246, 0.35);
}

.ob-hero-card__thumb {
	width: 100%;
	aspect-ratio: 16 / 10;
	border-radius: 16px;
	overflow: hidden;
	background: linear-gradient(135deg, #f0f5ff 0%, #e8effd 100%);
	border: 1px solid rgba(49, 130, 246, 0.12);
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
}

.ob-hero-card__thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.3s ease;
}

.ob-hero-card:hover .ob-hero-card__thumb img {
	transform: scale(1.03);
}

.ob-thumb-fallback {
	padding: 24px;
	text-align: center;
	color: var(--ob-ink);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
}

.ob-thumb-fallback__icon {
	width: 44px;
	height: 44px;
	border-radius: 12px;
	background: #ffffff;
	color: var(--ob-accent);
	box-shadow: 0 4px 12px rgba(49, 130, 246, 0.12);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-size: 22px;
	margin-bottom: 10px;
}

.ob-thumb-fallback__cat {
	display: inline-block;
	font-size: 11.5px;
	font-weight: 800;
	letter-spacing: 0.04em;
	padding: 3px 10px;
	border-radius: 999px;
	background: rgba(49, 130, 246, 0.12);
	color: var(--ob-accent);
	margin-bottom: 8px;
}

.ob-thumb-fallback__title {
	font-size: 18px;
	font-weight: 800;
	line-height: 1.38;
	color: var(--ob-ink);
	word-break: keep-all;
}

.ob-hero-card__body {
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.ob-badge-row {
	display: flex;
	align-items: center;
	gap: 8px;
	flex-wrap: wrap;
}

.ob-cat-pill {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	font-size: 12.5px;
	font-weight: 700;
	color: var(--ob-accent);
	background: var(--ob-accent-soft);
	padding: 4px 11px;
	border-radius: 999px;
}

.ob-feat-pill {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	font-size: 11.5px;
	font-weight: 800;
	letter-spacing: 0.04em;
	color: #ffffff;
	background: var(--ob-ink);
	padding: 4px 10px;
	border-radius: 999px;
}

.ob-hero-card__title {
	font-size: clamp(22px, 2.6vw, 30px);
	font-weight: 800;
	line-height: 1.35;
	letter-spacing: -0.025em;
	margin: 0;
	color: var(--ob-ink);
	word-break: keep-all;
}

.ob-hero-card__desc {
	font-size: 15.5px;
	color: var(--ob-ink-muted);
	margin: 0;
	line-height: 1.65;
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.ob-meta-line {
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 13px;
	color: var(--ob-ink-light);
	margin-top: auto;
	padding-top: 4px;
	flex-wrap: wrap;
}

/* ==========================================================================
   3. 카테고리 탭 & 검색바
   ========================================================================== */
.ob-filter-bar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	margin-bottom: 32px;
	padding-bottom: 16px;
	border-bottom: 1px solid var(--ob-line);
	flex-wrap: wrap;
}

.ob-tabs {
	display: flex;
	align-items: center;
	gap: 8px;
	overflow-x: auto;
	padding-bottom: 4px;
}

.ob-tab {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 8px 16px;
	border-radius: 999px;
	font-size: 14px;
	font-weight: 600;
	color: var(--ob-ink-muted);
	background: var(--ob-surface);
	border: 1px solid var(--ob-line);
	text-decoration: none;
	white-space: nowrap;
	transition: all 0.15s ease;
}

.ob-tab:hover {
	color: var(--ob-ink);
	border-color: #cbd5e1;
	background: #ffffff;
}

.ob-tab.is-active {
	background: var(--ob-ink);
	border-color: var(--ob-ink);
	color: #ffffff;
}

.ob-tab__cnt {
	font-size: 12px;
	opacity: 0.75;
}

.ob-search-form {
	position: relative;
	min-width: 250px;
}

.ob-search-input {
	width: 100%;
	height: 40px;
	padding: 0 38px 0 15px;
	border-radius: 999px;
	border: 1px solid var(--ob-line);
	background: var(--ob-surface);
	font-family: inherit;
	font-size: 14px;
	color: var(--ob-ink);
	outline: none;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.ob-search-input:focus {
	border-color: var(--ob-accent);
	background: #ffffff;
	box-shadow: 0 0 0 3px var(--ob-accent-soft);
}

.ob-search-btn {
	position: absolute;
	right: 10px;
	top: 50%;
	transform: translateY(-50%);
	border: 0;
	background: none;
	color: var(--ob-ink-muted);
	font-size: 16px;
	cursor: pointer;
	padding: 4px;
}

/* ==========================================================================
   4. 아티클 카드 그리드 (3열 에디토리얼 매거진 카드)
   ========================================================================== */
.ob-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 32px 24px;
	margin-bottom: 52px;
}

.ob-card {
	display: flex;
	flex-direction: column;
	text-decoration: none;
	color: inherit;
	background: #ffffff;
	border: 1px solid var(--ob-line);
	border-radius: 18px;
	overflow: hidden;
	transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.ob-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--ob-shadow-md);
	border-color: rgba(49, 130, 246, 0.35);
}

.ob-card__thumb {
	width: 100%;
	aspect-ratio: 16 / 10;
	overflow: hidden;
	background: linear-gradient(135deg, #f3f6fb 0%, #eaeff8 100%);
	border-bottom: 1px solid var(--ob-line);
	display: flex;
	align-items: center;
	justify-content: center;
}

.ob-card__thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.28s ease;
}

.ob-card:hover .ob-card__thumb img {
	transform: scale(1.04);
}

.ob-card__body {
	padding: 20px 22px 22px;
	display: flex;
	flex-direction: column;
	flex: 1;
}

.ob-card__cat {
	font-size: 12.5px;
	font-weight: 700;
	color: var(--ob-accent);
	margin-bottom: 6px;
}

.ob-card__title {
	font-size: 18.5px;
	font-weight: 700;
	line-height: 1.44;
	letter-spacing: -0.02em;
	color: var(--ob-ink);
	margin: 0 0 8px;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	word-break: keep-all;
}

.ob-card:hover .ob-card__title {
	color: var(--ob-accent);
}

.ob-card__desc {
	font-size: 14.5px;
	color: var(--ob-ink-muted);
	margin: 0 0 14px;
	line-height: 1.6;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.ob-empty {
	grid-column: 1 / -1;
	text-align: center;
	padding: 72px 20px;
	background: var(--ob-surface);
	border-radius: 20px;
	border: 1px dashed var(--ob-line);
	color: var(--ob-ink-muted);
}

.ob-empty__icon {
	width: 54px;
	height: 54px;
	margin: 0 auto 14px;
	border-radius: 16px;
	background: #ffffff;
	border: 1px solid var(--ob-line);
	color: var(--ob-accent);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 26px;
}

/* 페이지네이션 */
.ob-pagination {
	display: flex;
	justify-content: center;
	gap: 6px;
	margin: 24px 0 64px;
}

.ob-page-link {
	min-width: 38px;
	height: 38px;
	padding: 0 12px;
	border-radius: 10px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-size: 14px;
	font-weight: 600;
	color: var(--ob-ink-sub);
	background: var(--ob-surface);
	border: 1px solid var(--ob-line);
	text-decoration: none;
}

.ob-page-link.is-active {
	background: var(--ob-ink);
	color: #ffffff;
	border-color: var(--ob-ink);
}

/* ==========================================================================
   5. 포스트 상세 화면 (본문 + 우측 스티키 목차 TOC & CTA)
   ========================================================================== */
.ob-post-header {
	padding: 44px 0 32px;
	border-bottom: 1px solid var(--ob-line);
	margin-bottom: 40px;
}

.ob-breadcrumb {
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 13px;
	color: var(--ob-ink-light);
	margin-bottom: 16px;
	flex-wrap: wrap;
}

.ob-breadcrumb a {
	color: var(--ob-ink-muted);
	text-decoration: none;
}
.ob-breadcrumb a:hover {
	color: var(--ob-accent);
}

.ob-post-title {
	font-size: clamp(26px, 3.6vw, 40px);
	font-weight: 800;
	line-height: 1.3;
	letter-spacing: -0.03em;
	color: var(--ob-ink);
	margin: 12px 0;
	word-break: keep-all;
}

.ob-post-subtitle {
	font-size: 18px;
	color: var(--ob-ink-muted);
	margin: 0 0 24px;
	line-height: 1.55;
}

.ob-byline {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	flex-wrap: wrap;
}

.ob-author-chip {
	display: flex;
	align-items: center;
	gap: 12px;
}

.ob-author-chip__avatar {
	width: 42px;
	height: 42px;
	border-radius: 999px;
	background: var(--ob-accent);
	color: #ffffff;
	font-weight: 800;
	font-size: 16px;
	display: grid;
	place-items: center;
	overflow: hidden;
	flex-shrink: 0;
}

.ob-author-chip__avatar img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.ob-author-chip__name {
	font-size: 14.5px;
	font-weight: 700;
	color: var(--ob-ink);
}

.ob-author-chip__meta {
	font-size: 13px;
	color: var(--ob-ink-light);
}

.ob-post-layout {
	display: grid;
	grid-template-columns: minmax(0, 740px) 290px;
	justify-content: space-between;
	gap: 48px;
	align-items: start;
	margin-bottom: 64px;
}

/* 핵심 3줄 요약 박스 (TL;DR) */
.ob-tldr-box {
	background: var(--ob-surface);
	border: 1px solid var(--ob-line);
	border-radius: 14px;
	padding: 20px 24px;
	margin-bottom: 32px;
}

.ob-tldr-box__label {
	font-size: 13px;
	font-weight: 800;
	color: var(--ob-accent);
	margin-bottom: 8px;
	display: flex;
	align-items: center;
	gap: 6px;
}

.ob-tldr-box__text {
	font-size: 15.5px;
	color: var(--ob-ink-sub);
	line-height: 1.7;
	white-space: pre-line;
	margin: 0;
}

/* 본문 대표 커버 */
.ob-post-cover {
	margin: 0 0 36px;
	border-radius: 18px;
	overflow: hidden;
	border: 1px solid var(--ob-line);
}

.ob-post-cover img {
	width: 100%;
	height: auto;
	display: block;
}

/* 본문 리치 타이포그래피 (Toss Tech 스타일) */
.ob-prose {
	font-size: 17px;
	line-height: 1.8;
	color: var(--ob-ink-sub);
	word-break: keep-all;
}

.ob-prose h2 {
	font-size: 25px;
	font-weight: 800;
	color: var(--ob-ink);
	letter-spacing: -0.025em;
	margin: 48px 0 16px;
	padding-bottom: 10px;
	border-bottom: 1px solid var(--ob-line);
	scroll-margin-top: 90px;
}

.ob-prose h3 {
	font-size: 20px;
	font-weight: 700;
	color: var(--ob-ink);
	margin: 32px 0 12px;
	scroll-margin-top: 90px;
}

.ob-prose p {
	margin: 0 0 20px;
}

.ob-prose strong {
	color: var(--ob-ink);
	font-weight: 700;
	background: linear-gradient(transparent 62%, var(--ob-accent-soft) 62%);
}

.ob-prose ul,
.ob-prose ol {
	margin: 0 0 24px;
	padding-left: 22px;
}

.ob-prose li {
	margin-bottom: 8px;
}

.ob-prose blockquote {
	margin: 28px 0;
	padding: 18px 22px;
	background: var(--ob-surface);
	border-left: 4px solid var(--ob-ink);
	border-radius: 0 12px 12px 0;
	color: var(--ob-ink);
	font-weight: 500;
}

.ob-prose table {
	width: 100%;
	border-collapse: collapse;
	margin: 28px 0;
	font-size: 15px;
	border-radius: 12px;
	overflow: hidden;
	border: 1px solid var(--ob-line);
}

.ob-prose th,
.ob-prose td {
	padding: 13px 16px;
	border-bottom: 1px solid var(--ob-line);
	text-align: left;
}

.ob-prose th {
	background: var(--ob-surface-2);
	font-weight: 700;
	color: var(--ob-ink);
}

.ob-prose img {
	max-width: 100%;
	height: auto;
	border-radius: 14px;
	margin: 20px 0;
}

/* 본문 및 목록 내 인라인 전환(CTA) 배너 (테마·사진·커스텀 지원) */
.ob-inline-cta {
	position: relative;
	overflow: hidden;
	margin: 44px 0;
	padding: 30px 34px;
	border-radius: 22px;
	background: linear-gradient(135deg, #191f28 0%, #2c3647 100%);
	color: #ffffff;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	flex-wrap: wrap;
	box-shadow: var(--ob-shadow-md);
}

.ob-inline-cta--accent {
	background: linear-gradient(135deg, var(--ob-accent) 0%, #1d4ed8 100%);
	color: #ffffff;
}

.ob-inline-cta--accent .ob-inline-cta__badge {
	background: rgba(255, 255, 255, 0.22);
	color: #ffffff;
}

.ob-inline-cta--accent .ob-btn--primary {
	background: #ffffff;
	color: var(--ob-ink);
}

.ob-inline-cta--light {
	background: linear-gradient(135deg, #f8faff 0%, #eef4ff 100%);
	color: var(--ob-ink);
	border: 1px solid #dbeafe;
	box-shadow: var(--ob-shadow-sm);
}

.ob-inline-cta--light .ob-inline-cta__desc {
	color: var(--ob-ink-muted);
}

.ob-inline-cta--img-left {
	flex-direction: row-reverse;
}

.ob-inline-cta__bg {
	position: absolute;
	inset: 0;
	background-size: cover;
	background-position: center;
	opacity: 0.28;
	pointer-events: none;
	z-index: 0;
}

.ob-inline-cta__body {
	position: relative;
	z-index: 1;
	flex: 1 1 300px;
	min-width: 0;
}

.ob-inline-cta__side {
	position: relative;
	z-index: 1;
	display: flex;
	align-items: center;
	gap: 18px;
	flex-shrink: 0;
}

.ob-inline-cta__media {
	width: 128px;
	height: 88px;
	border-radius: 14px;
	overflow: hidden;
	border: 1px solid rgba(255, 255, 255, 0.18);
	background: rgba(255, 255, 255, 0.08);
	flex-shrink: 0;
}

.ob-inline-cta--light .ob-inline-cta__media {
	border-color: var(--ob-line);
}

.ob-inline-cta__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.ob-inline-cta__badge {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	font-size: 11px;
	font-weight: 800;
	letter-spacing: 0.06em;
	padding: 4px 10px;
	border-radius: 999px;
	background: var(--ob-accent);
	color: #ffffff;
	margin-bottom: 8px;
}

.ob-inline-cta__title {
	font-size: 20px;
	font-weight: 800;
	margin: 0 0 6px;
	line-height: 1.35;
}

.ob-inline-cta__desc {
	font-size: 14.5px;
	color: rgba(255, 255, 255, 0.82);
	margin: 0;
}

/* FAQ 아코디언 (구글/네이버 FAQPage 스키마 연동) */
.ob-faq-sec {
	margin: 48px 0 36px;
	padding-top: 32px;
	border-top: 1px solid var(--ob-line);
}

.ob-faq-sec__title {
	font-size: 22px;
	font-weight: 800;
	margin: 0 0 18px;
}

.ob-faq-item {
	border: 1px solid var(--ob-line);
	border-radius: 14px;
	margin-bottom: 12px;
	background: var(--ob-surface);
	overflow: hidden;
}

.ob-faq-item summary {
	padding: 16px 20px;
	font-size: 16px;
	font-weight: 700;
	color: var(--ob-ink);
	cursor: pointer;
	list-style: none;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
}

.ob-faq-item summary::-webkit-details-marker {
	display: none;
}

.ob-faq-item__chev {
	color: var(--ob-ink-light);
	font-size: 18px;
	transition: transform 0.2s ease;
	flex-shrink: 0;
}

.ob-faq-item[open] .ob-faq-item__chev {
	transform: rotate(180deg);
	color: var(--ob-accent);
}

.ob-faq-item__a {
	padding: 0 20px 18px;
	font-size: 15px;
	color: var(--ob-ink-sub);
	line-height: 1.7;
	border-top: 1px solid var(--ob-line);
	padding-top: 14px;
}

/* 태그 & 작성자 E-E-A-T 박스 */
.ob-tag-list {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin: 32px 0;
}

.ob-tag {
	display: inline-flex;
	align-items: center;
	gap: 3px;
	font-size: 13.5px;
	font-weight: 600;
	padding: 6px 13px;
	border-radius: 999px;
	background: var(--ob-surface-2);
	color: var(--ob-ink-sub);
	text-decoration: none;
	transition: all 0.15s ease;
}

.ob-tag:hover {
	background: var(--ob-accent-soft);
	color: var(--ob-accent);
}

.ob-author-box {
	display: flex;
	gap: 18px;
	align-items: center;
	padding: 24px;
	border-radius: 18px;
	background: var(--ob-surface);
	border: 1px solid var(--ob-line);
	margin: 36px 0;
}

.ob-author-box__role {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	font-size: 12.5px;
	font-weight: 700;
	color: var(--ob-accent);
	background: var(--ob-accent-soft);
	padding: 3px 9px;
	border-radius: 999px;
}

/* 이전/다음 아티클 네비게이션 */
.ob-post-nav {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
	margin: 32px 0;
}

.ob-post-nav__card {
	padding: 18px 20px;
	border-radius: 16px;
	border: 1px solid var(--ob-line);
	background: #ffffff;
	text-decoration: none;
	color: inherit;
	transition: all 0.18s ease;
}

.ob-post-nav__card:hover {
	border-color: var(--ob-accent);
	box-shadow: var(--ob-shadow-sm);
	transform: translateY(-2px);
}

.ob-post-nav__card--next {
	text-align: right;
}

.ob-post-nav__dir {
	font-size: 12.5px;
	font-weight: 700;
	color: var(--ob-ink-light);
	margin-bottom: 6px;
	display: inline-flex;
	align-items: center;
	gap: 4px;
}

.ob-post-nav__title {
	font-size: 15px;
	font-weight: 700;
	color: var(--ob-ink);
	line-height: 1.4;
}

/* 우측 스티키 사이드바 (목차 TOC + 전환 카드) */
.ob-aside {
	position: sticky;
	top: 92px;
	display: flex;
	flex-direction: column;
	gap: 20px;
}

.ob-toc-card {
	background: var(--ob-surface);
	border: 1px solid var(--ob-line);
	border-radius: 16px;
	padding: 20px;
}

.ob-toc-card__title {
	font-size: 13px;
	font-weight: 800;
	color: var(--ob-ink-light);
	text-transform: uppercase;
	letter-spacing: 0.04em;
	margin: 0 0 12px;
}

.ob-toc-list {
	list-style: none;
	margin: 0;
	padding: 0;
	border-left: 2px solid var(--ob-line);
}

.ob-toc-item a {
	display: block;
	padding: 6px 0 6px 14px;
	font-size: 13.5px;
	color: var(--ob-ink-muted);
	text-decoration: none;
	line-height: 1.45;
	margin-left: -2px;
	border-left: 2px solid transparent;
	transition: all 0.15s ease;
}

.ob-toc-item--lv3 a {
	padding-left: 26px;
	font-size: 13px;
}

.ob-toc-item a:hover,
.ob-toc-item a.is-active {
	color: var(--ob-accent);
	font-weight: 700;
	border-left-color: var(--ob-accent);
}

.ob-side-cta {
	background: var(--ob-ink);
	color: #ffffff;
	border-radius: 18px;
	padding: 22px;
}

.ob-side-cta__title {
	font-size: 17px;
	font-weight: 800;
	margin: 0 0 8px;
	line-height: 1.4;
}

.ob-side-cta__desc {
	font-size: 13.5px;
	color: rgba(255, 255, 255, 0.78);
	margin: 0 0 16px;
}

/* ==========================================================================
   6. 하단 리드(상담/문의) 수집 섹션 & 푸터
   ========================================================================== */
.ob-lead-sec {
	background: var(--ob-surface);
	border-top: 1px solid var(--ob-line);
	padding: 56px 0;
	margin-top: auto;
}

.ob-lead-card {
	max-width: 720px;
	margin: 0 auto;
	background: #ffffff;
	border: 1px solid var(--ob-line);
	border-radius: 22px;
	padding: 36px;
	box-shadow: var(--ob-shadow-sm);
}

.ob-lead-card__head {
	display: flex;
	align-items: center;
	gap: 14px;
	margin-bottom: 4px;
}

.ob-lead-card__icon {
	width: 46px;
	height: 46px;
	border-radius: 13px;
	background: var(--ob-accent-soft);
	color: var(--ob-accent);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-size: 22px;
	flex-shrink: 0;
}

.ob-lead-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 14px;
	margin-top: 20px;
}

.ob-input,
.ob-select,
.ob-textarea {
	width: 100%;
	font-family: inherit;
	font-size: 14.5px;
	padding: 12px 14px;
	border-radius: 10px;
	border: 1px solid var(--ob-line);
	background: var(--ob-surface);
	color: var(--ob-ink);
	outline: none;
}

.ob-input:focus,
.ob-select:focus,
.ob-textarea:focus {
	border-color: var(--ob-accent);
	background: #ffffff;
}

.ob-col-full {
	grid-column: 1 / -1;
}

.ob-footer {
	border-top: 1px solid var(--ob-line);
	padding: 32px 0;
	font-size: 13.5px;
	color: var(--ob-ink-light);
	background: #ffffff;
}

.ob-footer__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	flex-wrap: wrap;
}

.ob-footer__links {
	display: flex;
	gap: 16px;
}

.ob-footer__links a {
	color: var(--ob-ink-muted);
	text-decoration: none;
}

@media (max-width: 960px) {
	.ob-hero-card {
		grid-template-columns: 1fr;
		gap: 20px;
		padding: 20px;
	}
	.ob-grid {
		grid-template-columns: repeat(2, 1fr);
	}
	.ob-post-layout {
		grid-template-columns: 1fr;
	}
	.ob-aside {
		position: static;
	}
}

@media (max-width: 640px) {
	.ob-grid {
		grid-template-columns: 1fr;
	}
	.ob-lead-grid {
		grid-template-columns: 1fr;
	}
	.ob-lead-card {
		padding: 24px 20px;
	}
	.ob-inline-cta {
		padding: 22px 20px;
	}
}