/* ============================================================
   Thermo Chain KR — main.css  v2.0  Clean Corporate
   ============================================================ */

/* ── 0. CSS 변수 ─────────────────────────────────────────── */
:root {
    --primary:        #0B2740;
    --primary-dark:   #061B2C;
    --primary-light:  #1B527F;
    --accent:         #09B5D5;
    --accent-dark:    #0792AB;

    --bg:             #FFFFFF;
    --bg-alt:         #EDF2F7;
    --bg-alt2:        #DDE9F2;
    --bg-navy:        #0B2740;
    --bg-ice:         #E6F6FA;

    --text-base:      #0C1D2C;
    --text-sub:       #334B5E;
    --text-muted:     #577285;
    --text-on-navy:   #FFFFFF;

    --border:         #BFCDD8;
    --border-light:   #D4E1EA;

    --container-max:  1160px;
    --container-pad:  clamp(16px, 4vw, 40px);
    --header-h:       68px;
    --radius-sm:      2px;
    --radius:         3px;
    --radius-md:      6px;

    --shadow-sm:      0 1px 3px rgba(0,0,0,.10), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md:      0 4px 16px rgba(0,0,0,.12);
    --trans:          .15s ease;
}

/* ── 1. 리셋 ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: 'Noto Sans KR', 'Inter', sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-base);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { list-style: none; }
table { border-collapse: collapse; width: 100%; }
button { cursor: pointer; font: inherit; border: none; background: none; }

.screen-reader-text {
    position: absolute; width: 1px; height: 1px;
    overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}
.skip-link {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 9999;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid #FFB703; outline-offset: 3px; }

/* ── 2. 레이아웃 ─────────────────────────────────────────── */
.container {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

.section { padding-block: clamp(56px, 8vw, 96px); }
.section-alt { background: var(--bg-alt); }

.section-header { text-align: center; margin-bottom: clamp(32px, 5vw, 52px); }

.section-label {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 10px;
    padding: 3px 12px;
    border: 1px solid var(--accent);
    border-radius: 100px;
}

.section-title {
    font-size: clamp(1.45rem, 3vw, 2.1rem);
    font-weight: 800;
    color: var(--text-base);
    line-height: 1.3;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
    max-width: 560px;
    margin-inline: auto;
}

/* ── 3. 버튼 ─────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 700;
    line-height: 1;
    transition: background var(--trans), color var(--trans), border-color var(--trans);
    text-decoration: none !important;
    white-space: nowrap;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }

.btn-white {
    background: #fff;
    color: var(--primary);
    border-color: #fff;
}
.btn-white:hover { background: var(--bg-alt2); border-color: var(--bg-alt2); }

.btn-sm {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    border: 2px solid var(--primary);
    transition: background var(--trans), color var(--trans);
    text-decoration: none !important;
}
.btn-sm.btn-primary { background: var(--primary); color: #fff; }
.btn-sm.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-sm.btn-outline { background: transparent; color: var(--primary); }
.btn-sm.btn-outline:hover { background: var(--primary); color: #fff; }

/* ── 4. 헤더 ─────────────────────────────────────────────── */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 900;
    height: var(--header-h);
    background: #fff;
    border-bottom: 1px solid var(--border);
    transition: box-shadow var(--trans);
}

.site-header .container {
    height: 100%;
}

.site-header.scrolled { box-shadow: var(--shadow-md); }

.header-inner {
    display: flex;
    align-items: center;
    height: 100%;
    gap: 24px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    text-decoration: none !important;
}

.logo-mark svg { width: 28px; height: 28px; }
.logo-mark-img {
    width: 36px;
    height: auto;
    display: block;
    flex-shrink: 0;
    object-fit: contain;
}

.logo-text {
    display: block;
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.logo-sub {
    display: block;
    font-size: 0.58rem;
    color: var(--text-muted);
    line-height: 1.3;
    letter-spacing: 0.01em;
}

/* PC 네비게이션 */
.site-nav { margin-left: auto; }

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2px;
}

.nav-menu a {
    display: block;
    padding: 7px 14px;
    font-size: 0.94rem;
    font-weight: 600;
    color: var(--text-sub);
    border-radius: var(--radius-sm);
    transition: color var(--trans), background var(--trans);
    text-decoration: none !important;
}

.nav-menu a:hover,
.nav-menu .current-menu-item > a {
    color: var(--primary);
    background: var(--bg-alt2);
}

.nav-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.btn-header-cta {
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    background: var(--accent);
    color: #fff !important;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    font-weight: 700;
    transition: background var(--trans);
    text-decoration: none !important;
    letter-spacing: .02em;
}
.btn-header-cta:hover { background: var(--accent-dark); }

/* 모바일 햄버거 */
.nav-toggle {
    display: none;
    width: 40px; height: 40px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 6px;
    border-radius: var(--radius-sm);
}
.nav-toggle span {
    display: block;
    width: 22px; height: 2px;
    background: var(--text-base);
    border-radius: 2px;
    transition: transform var(--trans), opacity var(--trans);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── 5. 히어로 ───────────────────────────────────────────── */
.hero {
    padding-top: var(--header-h);
    background: var(--bg);
    border-bottom: 1px solid var(--border-light);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 48px;
    align-items: center;
    padding-block: clamp(52px, 8vw, 88px);
}

.hero-body {}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 18px;
    padding: 4px 12px;
    background: rgba(9,181,213,.1);
    border-left: 3px solid var(--accent);
}

.hero-title {
    font-size: clamp(1.8rem, 4.5vw, 3rem);
    font-weight: 900;
    line-height: 1.2;
    color: var(--text-base);
    margin-bottom: 20px;
}

.hero-title-sub {
    display: block;
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    font-weight: 500;
    color: var(--text-sub);
    margin-top: 8px;
}

.hero-desc {
    font-size: 0.95rem;
    color: var(--text-sub);
    line-height: 1.85;
    max-width: 520px;
    margin-bottom: 32px;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* 히어로 오른쪽 수치 패널 */
.hero-panel {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.hero-stat-card {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 18px 20px;
}

.hero-stat-val {
    font-size: 1.9rem;
    font-weight: 900;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 6px;
}

.hero-stat-val span {
    font-size: 1rem;
    font-weight: 700;
    opacity: 0.75;
}

.hero-stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* 신뢰 배지 스트립 */
.hero-trust-strip {
    background: #071B2C;
    padding-block: 14px;
}

.hero-trust-list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(20px, 4vw, 48px);
    flex-wrap: wrap;
}

.hero-trust-list li {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(255,255,255,0.85);
    white-space: nowrap;
}

.hero-trust-list li svg {
    width: 16px; height: 16px;
    flex-shrink: 0;
    stroke: rgba(255,255,255,0.7);
}

/* ── 6. 페이지 히어로 ────────────────────────────────────── */
.page-hero {
    background: var(--bg-navy);
    padding-block: clamp(48px, 7vw, 72px);
    padding-top: calc(var(--header-h) + clamp(32px, 5vw, 56px));
    text-align: center;
}

.page-hero-eyebrow {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.55);
    margin-bottom: 10px;
}

.page-hero-title {
    font-size: clamp(1.5rem, 4vw, 2.4rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.25;
    margin-bottom: 10px;
}

.page-hero-desc {
    font-size: 0.92rem;
    color: rgba(255,255,255,0.7);
    max-width: 540px;
    margin-inline: auto;
}

/* ── 7. 브레드크럼 ───────────────────────────────────────── */
.breadcrumb {
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border-light);
    padding-block: 11px;
}

.breadcrumb-inner {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.breadcrumb-inner a { color: var(--primary); font-weight: 600; }
.breadcrumb-inner .sep { color: var(--border); }

/* ── 8. 제품 카테고리 카드 (홈) ──────────────────────────── */
.product-cats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--border);
}

.cat-card {
    background: var(--bg);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: background var(--trans);
}

.cat-card:hover { background: var(--bg-alt2); }

.cat-icon {
    width: 44px; height: 44px;
    background: rgba(9,181,213,.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cat-icon svg {
    width: 22px; height: 22px;
    stroke: var(--accent);
    fill: none;
    stroke-width: 1.5;
}

.cat-card h3 {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-base);
    line-height: 1.3;
}

.cat-card p {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.65;
    flex: 1;
}

.cat-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none !important;
    margin-top: 4px;
}

.cat-link:hover { text-decoration: underline !important; }

/* ── 9. About 스트립 ─────────────────────────────────────── */
.about-strip {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.about-text .section-label { margin-bottom: 12px; }

.about-text h2 {
    font-size: clamp(1.3rem, 3vw, 1.9rem);
    font-weight: 800;
    color: var(--text-base);
    line-height: 1.35;
    margin-bottom: 18px;
}

.about-text p {
    font-size: 0.9rem;
    color: var(--text-sub);
    line-height: 1.85;
    margin-bottom: 12px;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 24px;
    margin-bottom: 28px;
}

.stat-item {
    background: var(--bg-alt2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
}

.stat-num {
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.about-visual {}

.about-img-wrapper {
    background: var(--bg-alt2);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-placeholder {
    text-align: center;
    color: var(--text-muted);
}

.about-placeholder p { font-size: 0.8rem; margin-top: 10px; line-height: 1.6; }

/* ── 10. VIP 섹션 ─────────────────────────────────────────── */
.vip-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.vip-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-top: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 28px 24px;
    text-align: center;
}

.vip-num {
    font-size: 2.4rem;
    font-weight: 900;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 10px;
}

.vip-card h3 {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-base);
    margin-bottom: 10px;
}

.vip-card p {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ── 11. 뉴스 그리드 ─────────────────────────────────────── */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.news-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color var(--trans), box-shadow var(--trans);
}

.news-card:hover { border-color: var(--primary-light); box-shadow: var(--shadow-sm); }

.news-card-img {
    aspect-ratio: 16/9;
    background: var(--bg-alt);
    overflow: hidden;
}
.news-card-img img { width: 100%; height: 100%; object-fit: cover; }

.news-card-body { padding: 18px 20px 20px; }

.news-date {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    display: block;
}

.news-card-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-base);
    line-height: 1.55;
}

.news-card-title a { color: inherit; }
.news-card-title a:hover { color: var(--primary); text-decoration: none; }

/* 뉴스 목록 페이지 */
.news-list { display: flex; flex-direction: column; }

.news-list-item {
    display: flex;
    align-items: baseline;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-light);
    flex-wrap: wrap;
}

.news-date { font-size: 0.8rem; color: var(--text-muted); flex-shrink: 0; min-width: 100px; }

.news-cat {
    font-size: 0.68rem;
    font-weight: 700;
    padding: 2px 9px;
    border-radius: 2px;
    flex-shrink: 0;
}

.news-cat--notice { background: var(--bg-alt2); color: var(--primary); }
.news-cat--press  { background: #EEF9FE; color: var(--accent); }

.news-title { font-size: 0.88rem; font-weight: 600; color: var(--text-base); flex: 1; }
.news-title a { color: inherit; }
.news-title a:hover { color: var(--primary); text-decoration: none; }

/* 뉴스 상세 */
.article-date { color: rgba(255,255,255,.78); font-size: .82rem; }
.article-container { max-width: 860px; }
.article-featured {
    overflow: hidden;
    margin-bottom: 36px;
    border-radius: var(--radius-md);
}
.article-featured img { width: 100%; height: auto; }
.article-content { font-size: 1rem; }
.article-footer {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

/* ── 12. CTA ─────────────────────────────────────────────── */
.cta-section {
    background: var(--bg-navy);
    padding-block: clamp(52px, 8vw, 80px);
    text-align: center;
}

.cta-title {
    font-size: clamp(1.4rem, 3.5vw, 2.2rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
}

.cta-desc {
    font-size: 0.92rem;
    color: rgba(255,255,255,0.72);
    max-width: 480px;
    margin: 0 auto 32px;
    line-height: 1.8;
}

/* ── 13. FAQ ─────────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: 0; }

.faq-item { border-top: 1px solid var(--border); }
.faq-item:last-child { border-bottom: 1px solid var(--border); }

.faq-item summary,
.faq-q summary {
    padding: 16px 4px;
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    color: var(--text-base);
    user-select: none;
}

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

.faq-item summary::after {
    content: '+';
    font-size: 1.2rem;
    font-weight: 300;
    color: var(--primary);
    flex-shrink: 0;
    width: 22px;
    text-align: center;
}

.faq-item[open] summary::after { content: '−'; }
.faq-item[open] summary { color: var(--primary); }

.faq-a {
    padding: 0 4px 16px;
    font-size: 0.88rem;
    color: var(--text-sub);
    line-height: 1.75;
    display: block;
}

/* ── 14. 필터 탭 ─────────────────────────────────────────── */
.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 36px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0;
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    padding: 9px 18px;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    margin-bottom: -1px;
    cursor: pointer;
    transition: color var(--trans), border-color var(--trans);
    text-decoration: none !important;
}

.filter-btn:hover { color: var(--primary); }
.filter-btn.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ── 15. 제품 목록 ──────────────────────────────────────── */
.product-list-view {
    display: flex;
    flex-direction: column;
    gap: 56px;
}

/* 카테고리 섹션 */
.product-section { }

/* 카테고리 헤더: show-cat-headers 클래스가 있을 때만 표시 */
.product-section-hd { display: none; }
.product-list-view.show-cat-headers .product-section-hd {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--primary);
}
.product-section-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-base);
}

/* 서브그룹 */
.product-subgroup { margin-bottom: 32px; }
.product-subgroup:last-child { margin-bottom: 0; }

.product-subgroup-hd {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 16px;
    background: var(--bg-alt2);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 5px 14px 5px 10px;
}
.subgroup-icon {
    display: flex;
    align-items: center;
    color: var(--primary);
}
.subgroup-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-sub);
    letter-spacing: 0.01em;
}

/* 96h 이상 서브그룹 강조 */
.product-subgroup-hd[data-subgroup="96h 이상"] {
    background: #e6f4ff;
    border-color: #4da6f5;
    padding: 7px 18px 7px 12px;
    box-shadow: 0 2px 8px rgba(0, 112, 192, 0.15);
}
.product-subgroup-hd[data-subgroup="96h 이상"] .subgroup-icon {
    color: #0070c0;
}
.product-subgroup-hd[data-subgroup="96h 이상"] .subgroup-label {
    font-size: 0.85rem;
    color: #0070c0;
}

/* 약 48h */
.product-subgroup-hd[data-subgroup="약 48h"] {
    background: #f0fdf4;
    border-color: #6ee7a0;
    padding: 7px 18px 7px 12px;
    box-shadow: 0 2px 8px rgba(5, 150, 105, 0.12);
}
.product-subgroup-hd[data-subgroup="약 48h"] .subgroup-icon {
    color: #059669;
}
.product-subgroup-hd[data-subgroup="약 48h"] .subgroup-label {
    font-size: 0.85rem;
    color: #059669;
}

/* 24h 이하 */
.product-subgroup-hd[data-subgroup="24h 이하"] {
    background: #fff7ed;
    border-color: #fdba74;
    padding: 7px 18px 7px 12px;
    box-shadow: 0 2px 8px rgba(194, 65, 12, 0.12);
}
.product-subgroup-hd[data-subgroup="24h 이하"] .subgroup-icon {
    color: #c2410c;
}
.product-subgroup-hd[data-subgroup="24h 이하"] .subgroup-label {
    font-size: 0.85rem;
    color: #c2410c;
}

/* 서브그룹 카드 그리드 */
.product-subgroup-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

/* 비교표 */
.product-compare-wrap {
    overflow-x: auto;
    border: 1px solid #C9D2D8;
    background: #fff;
}
.product-compare-table {
    width: 100%;
    min-width: 980px;
    border-collapse: collapse;
}
.product-compare-table th,
.product-compare-table td {
    padding: 14px 12px;
    border-bottom: 1px solid #E1E7EB;
    text-align: left;
    vertical-align: middle;
    font-size: .92rem;
    color: #243746;
}
.product-compare-table thead th {
    position: sticky;
    top: 0;
    background: #F1F5F7;
    color: #3E5463;
    font-size: .8rem;
    font-weight: 700;
    white-space: nowrap;
    border-bottom: 2px solid #173F61;
}
.product-compare-table tbody tr:hover { background: #F7FAFB; }
.compare-product {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 12px;
    align-items: center;
    min-width: 240px;
}
.compare-thumb {
    display: block;
    width: 80px;
    height: 80px;
    overflow: hidden;
    background: #fff;
    border: 1px solid #DCE3E8;
}
.compare-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}
.compare-thumb-empty {
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #EEF2F5, #F8FAFB);
}
.compare-name {
    display: block;
    color: #102437;
    font-weight: 700;
    text-decoration: none;
    line-height: 1.35;
}
.compare-name:hover { color: #173F61; text-decoration: underline; }
.compare-name-kr {
    display: block;
    margin-top: 3px;
    color: #667886;
    font-size: .8rem;
}
.compare-actions {
    white-space: nowrap;
}
.compare-actions a {
    display: inline-block;
    margin-right: 10px;
    color: #173F61;
    font-weight: 700;
    font-size: .84rem;
    text-decoration: none;
}
.compare-actions a:hover { text-decoration: underline; }
.product-compare-note {
    margin-top: 24px;
    color: #667886;
    font-size: .88rem;
}
.product-empty {
    text-align: center;
    padding: 80px 0;
    color: var(--text-muted);
}
.product-empty p { font-size: 1.05rem; margin-bottom: 16px; }

/* ── 제품 카드 ────────────────────────────────────────────── */
.product-list-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color var(--trans), box-shadow var(--trans);
}
.product-list-card:hover {
    border-color: var(--primary-light);
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}

/* Zone 1: 이미지 */
.product-img-wrap {
    aspect-ratio: 4/3;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-light);
}
.product-img-wrap img { width: 100%; height: 100%; object-fit: contain; display: block; max-width: 100%; max-height: 100%; }
.product-img-wrap svg { width: 52px; height: 52px; stroke: var(--border); fill: none; }

/* Zone 2: 제품 정보 */
.product-body {
    padding: 16px 18px 18px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-cat-badge {
    display: inline-block;
    align-self: flex-start;
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    padding: 3px 10px;
    border-radius: 100px;
    margin-bottom: 10px;
    background: var(--bg-alt2);
    color: var(--text-muted);
    border: 1px solid var(--border);
}

/* 카테고리별 뱃지 색상 */
.product-list-card[data-category="reusable"]       .product-cat-badge { background: #e6f4ff; color: #0070c0; border-color: #b3d9f7; }
.product-list-card[data-category="large-capacity"] .product-cat-badge { background: #eef2ff; color: #4338ca; border-color: #c7d2fe; }
.product-list-card[data-category="one-way"]        .product-cat-badge { background: #ecfdf5; color: #059669; border-color: #a7f3d0; }
.product-list-card[data-category="active"]         .product-cat-badge { background: #fff7ed; color: #c2410c; border-color: #fed7aa; }
.product-list-card[data-category="ice-pack"]       .product-cat-badge { background: #f0f9ff; color: #0284c7; border-color: #bae6fd; }
.product-list-card[data-category="option"]         .product-cat-badge { background: #faf5ff; color: #7c3aed; border-color: #ddd6fe; }

.product-status-badge {
    display: inline-block;
    align-self: flex-start;
    margin: -4px 0 10px;
    padding: 3px 9px;
    border: 1px solid #f2c46d;
    border-radius: 100px;
    background: #fff8e8;
    color: #6d4c13;
    font-size: 0.66rem;
    font-weight: 700;
}

.product-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-base);
    line-height: 1.35;
    margin-bottom: 6px;
}

.product-name-sub {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}
.product-name-kr {
    font-size: 0.77rem;
    color: var(--text-muted);
}
.product-catno-badge {
    font-size: 0.66rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-alt2);
    padding: 2px 7px;
    border-radius: 3px;
    border: 1px solid var(--border);
    white-space: nowrap;
}

.product-specs-list {
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1;
}
.product-spec-item {
    display: flex;
    gap: 10px;
    font-size: 0.81rem;
    align-items: baseline;
}
.spec-label {
    width: 64px;
    flex-shrink: 0;
    color: var(--text-muted);
    font-size: 0.74rem;
}
.spec-val { color: var(--text-sub); font-weight: 600; }

/* Zone 3: 액션 */
.product-foot-action {
    padding: 14px 18px 16px;
    border-top: 2px solid var(--border-light);
    background: var(--bg-alt);
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.btn-sm.btn-block {
    width: 100%;
    justify-content: center;
    text-align: center;
}

/* 제품 상세 */
.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
}

.product-media { display: grid; gap: 14px; }
.product-detail-img {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 1;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
}
.product-detail-img img,
.product-detail-photo {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
}
.product-detail-gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.product-detail-gallery li {
    margin: 0;
    padding: 0;
}
.product-gallery-thumb {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    margin: 0;
    padding: 8px;
    border: 1px solid #DCE3E8;
    background: #fff;
    overflow: hidden;
    cursor: pointer;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.product-gallery-thumb:hover,
.product-gallery-thumb:focus-visible {
    border-color: #09B5D5;
    outline: none;
    box-shadow: 0 0 0 2px rgba(9, 181, 213, .25);
}
.product-gallery-thumb.is-active {
    border-color: #0B2D47;
    box-shadow: inset 0 0 0 1px #0B2D47;
}
.product-gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
    pointer-events: none;
}
.product-detail-photo {
    transition: opacity .15s ease;
}
.product-detail-photo.is-switching {
    opacity: .35;
}

.product-img-placeholder { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; }

.product-source-alert {
    margin-bottom: 20px;
    padding: 14px 16px;
    border: 1px solid #f2c46d;
    border-radius: var(--radius);
    background: #fff8e8;
    color: #6d4c13;
    font-size: 0.84rem;
    line-height: 1.65;
}

.product-source-alert ul { margin: 6px 0 0; padding-left: 18px; }
.product-source-alert li { list-style: disc; }

/* ── 16. 회사 소개 ───────────────────────────────────────── */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 56px;
    align-items: start;
}

.about-intro-text h2 {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 800;
    color: var(--text-base);
    margin-bottom: 14px;
    line-height: 1.35;
}

.about-intro-text p { font-size: 0.88rem; color: var(--text-sub); line-height: 1.85; margin-bottom: 10px; }

.about-intro-visual {}

.about-img-wrapper { border-radius: var(--radius-md); overflow: hidden; }

.company-table { width: 100%; border-collapse: collapse; }

.company-table th,
.company-table td {
    padding: 10px 14px;
    font-size: 0.85rem;
    border: 1px solid var(--border);
    vertical-align: top;
    line-height: 1.6;
}

.company-table th {
    width: 130px;
    font-weight: 700;
    color: var(--text-muted);
    background: var(--bg-alt);
    white-space: nowrap;
}

.company-table td { color: var(--text-sub); }
.company-table a { color: var(--primary); }

.partner-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.partner-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
}

.partner-flag { font-size: 1.8rem; margin-bottom: 12px; }

.partner-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; color: var(--text-base); }

.partner-role {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}

.partner-card p { font-size: 0.85rem; color: var(--text-sub); line-height: 1.7; }

/* ── 17. 문의 폼 ─────────────────────────────────────────── */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    align-items: start;
}

.contact-notice { padding: 12px 0; font-size: 0.88rem; }
.contact-notice--success { background: #F0FBF0; color: #2E7D32; border-bottom: 2px solid #66BB6A; padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 24px; }
.contact-notice--error   { background: #FFF5F5; color: #C62828; border-bottom: 2px solid #EF9A9A; padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 24px; }

.contact-form-wrap {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 36px;
}

.contact-form fieldset {
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}

.form-group { margin-bottom: 16px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-sub);
    margin-bottom: 5px;
}

.required { color: #E53935; margin-left: 2px; }

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font: inherit;
    font-size: 0.88rem;
    color: var(--text-base);
    background: var(--bg);
    transition: border-color var(--trans), box-shadow var(--trans);
}

input:focus,
textarea:focus,
select:focus {
    outline: 3px solid #FFB703;
    outline-offset: 2px;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(37, 89, 167, .1);
}

textarea { resize: vertical; min-height: 130px; }

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
    gap: 8px;
}

.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-sub);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 15px; height: 15px;
    accent-color: var(--primary);
    flex-shrink: 0;
    cursor: pointer;
    appearance: auto;
}

.captcha-row { max-width: 280px; }

.contact-info-aside .contact-info-card {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 20px;
    margin-bottom: 16px;
}

.contact-info-card h3 {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-base);
    margin-bottom: 16px;
    padding-bottom: 10px;
}

.contact-info-card ul { display: flex; flex-direction: column; gap: 14px; }

.contact-info-card li { display: flex; gap: 12px; align-items: flex-start; }

.contact-icon { font-size: 0.9rem; width: 20px; flex-shrink: 0; color: var(--primary); margin-top: 2px; }

.contact-info-card strong {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

.contact-info-card a,
.contact-info-card p,
.contact-info-card address { font-size: 0.85rem; color: var(--text-sub); line-height: 1.6; }
.contact-info-card a { color: var(--primary); }

/* ── 18. 구매 가이드 ─────────────────────────────────────── */
.guide-flow-list { display: flex; flex-direction: column; gap: 2px; }

.guide-flow-item {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 24px 28px;
}

.guide-flow-item + .guide-flow-item { border-top: none; }
.guide-flow-item:first-child { border-radius: var(--radius) var(--radius) 0 0; }
.guide-flow-item:last-child  { border-radius: 0 0 var(--radius) var(--radius); }

.guide-flow-num {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--border);
    line-height: 1;
    flex-shrink: 0;
    width: 44px;
}

.guide-flow-body h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; color: var(--primary); }
.guide-flow-body p  { font-size: 0.87rem; color: var(--text-sub); line-height: 1.75; }

.guide-vip-grid { display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: start; }
.guide-vip-text p { font-size: 0.88rem; color: var(--text-sub); line-height: 1.85; margin-bottom: 14px; }

.guide-bullet-list { padding-left: 0; display: flex; flex-direction: column; gap: 7px; }
.guide-bullet-list li { font-size: 0.87rem; color: var(--text-sub); padding-left: 16px; position: relative; }
.guide-bullet-list li::before { content: '-'; position: absolute; left: 0; color: var(--primary); font-weight: 700; }

.vip-diagram-box { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.vip-layer { padding: 12px 18px; font-size: 0.8rem; font-weight: 600; text-align: center; }
.vip-outer { background: var(--bg-alt); color: var(--text-muted); }
.vip-vip   { background: var(--primary); color: #fff; padding-block: 18px; }
.vip-inner { background: var(--bg-alt2); color: var(--primary-dark); }

/* ── 19. 페이지네이션 ────────────────────────────────────── */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 40px; flex-wrap: wrap; }

.pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-sub);
    transition: background var(--trans), border-color var(--trans), color var(--trans);
    text-decoration: none;
}

.pagination .page-numbers:hover  { background: var(--bg-alt2); border-color: var(--primary-light); color: var(--primary); }
.pagination .page-numbers.current { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ── 20. 법률 콘텐츠 ─────────────────────────────────────── */
.legal-content { font-size: 0.9rem; color: var(--text-sub); line-height: 1.85; }
.legal-updated { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 28px; }

.legal-content h2 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-base);
    margin-top: 32px;
    margin-bottom: 10px;
    padding-top: 24px;
    border-top: 1px solid var(--border-light);
}

.legal-content h2:first-of-type { border-top: none; padding-top: 0; }
.legal-content ul { padding-left: 18px; margin-bottom: 10px; display: flex; flex-direction: column; gap: 5px; }
.legal-content ul li { list-style: disc; }
.legal-content ol { padding-left: 18px; margin-bottom: 10px; }
.legal-content ol li { list-style: decimal; }
.legal-content p { margin-bottom: 10px; }

/* ── 21. 사이트맵 ────────────────────────────────────────── */
.sitemap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }

.sitemap-col-title {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary);
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary);
}

.sitemap-col ul { display: flex; flex-direction: column; gap: 8px; }
.sitemap-col a { font-size: 0.85rem; color: var(--text-sub); display: inline-flex; align-items: center; gap: 3px; }
.sitemap-col a:hover { color: var(--primary); text-decoration: none; }
.sitemap-col a::before { content: '-'; color: var(--border); font-weight: 700; margin-right: 2px; }

.sitemap-product-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; }
.sitemap-product-list li a { font-size: 0.83rem; color: var(--text-sub); display: flex; align-items: center; gap: 3px; }
.sitemap-product-list li a::before { content: '-'; color: var(--border); }
.sitemap-product-list li a:hover { color: var(--primary); }

/* ── 22. 일반 페이지 콘텐츠 ─────────────────────────────── */
.page-content { font-size: 0.92rem; color: var(--text-sub); line-height: 1.85; }
.page-content h2 { font-size: 1.2rem; font-weight: 700; color: var(--text-base); margin: 28px 0 12px; }
.page-content h3 { font-size: 1rem;  font-weight: 700; color: var(--text-base); margin: 20px 0 8px; }
.page-content p  { margin-bottom: 14px; }
.page-content a  { color: var(--primary); text-decoration: underline; }
.page-content ul { padding-left: 20px; margin-bottom: 14px; }
.page-content ul li { list-style: disc; margin-bottom: 5px; }

/* ── 23. 푸터 ────────────────────────────────────────────── */
.site-footer {
    background: var(--text-base);
    color: rgba(255,255,255,0.65);
    font-size: 0.83rem;
}

.footer-upper {
    padding-block: clamp(40px, 6vw, 64px);
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand-lockup {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}
.footer-brand-mark {
    width: 36px;
    height: auto;
    display: block;
    flex-shrink: 0;
    object-fit: contain;
}
.footer-brand-text { font-size: 1rem; font-weight: 800; color: #fff; margin-bottom: 4px; display: block; }
.footer-brand-sub  { font-size: 0.8rem; color: rgba(255,255,255,0.55); display: block; }
.footer-brand-desc { font-size: 0.9rem; line-height: 1.75; color: rgba(255,255,255,0.65); }

.footer-col-title {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.4);
    margin-bottom: 14px;
}

.footer-links { display: flex; flex-direction: column; gap: 9px; }
.footer-links a { color: rgba(255,255,255,0.72); font-size: 0.9rem; transition: color var(--trans); text-decoration: none; }
.footer-links a:hover { color: #fff; }

.footer-contact-item { display: flex; gap: 9px; font-size: 0.9rem; margin-bottom: 9px; }
.footer-contact-item a { color: rgba(255,255,255,.72); text-decoration: none; }
.footer-contact-item a:hover { color: #fff; }
.footer-contact-icon { color: rgba(255,255,255,0.4); flex-shrink: 0; }

.footer-bottom {
    padding-block: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
}

.footer-bottom-links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-bottom-links a { color: rgba(255,255,255,0.55); font-size: 0.82rem; transition: color var(--trans); text-decoration: none; }
.footer-bottom-links a:hover { color: #fff; }
.footer-copy { font-size: 0.82rem; color: rgba(255,255,255,0.45); }

/* ── 23. 상세 설명 및 표 마크다운 스타일 ───────────────────────── */
.page-content {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-sub);
}

.page-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-top: 32px;
    margin-bottom: 12px;
    border-left: 4px solid var(--accent);
    padding-left: 12px;
}

.page-content h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-top: 24px;
    margin-bottom: 10px;
}

.page-content p {
    margin-bottom: 16px;
}

.page-content ul {
    list-style: none; /* 리셋 */
    padding-left: 0;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.page-content ul li {
    list-style: none;
    position: relative;
    padding-left: 18px;
    font-size: 0.93rem;
}

.page-content ul li::before {
    content: "•";
    position: absolute;
    left: 4px;
    color: var(--accent);
    font-weight: bold;
    font-size: 1.1rem;
    line-height: 1;
    top: 2px;
}

/* 들여쓰기 서브 리스트 */
.page-content ul.sub-list {
    padding-left: 16px;
    margin-top: 6px;
    margin-bottom: 4px;
    gap: 5px;
    border-left: 2px solid var(--border);
}

.page-content ul.sub-list li::before {
    content: "–";
    color: var(--text-muted);
    font-size: 0.9rem;
}

.page-content hr {
    border: 0;
    border-top: 1px solid var(--border);
    margin-block: 28px;
}

/* 테이블 공통 양식 */
.product-spec-table, .page-content table {
    width: 100%;
    margin-block: 20px 28px;
    border-collapse: collapse;
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius);
    overflow: hidden; /* 테두리 둥글게 적용 */
    border: 1px solid var(--border);
}

.product-spec-table th, .page-content table th {
    background-color: var(--primary);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.88rem;
    padding: 12px 16px;
    text-align: left;
    border: 1px solid rgba(255,255,255,0.15);
}

.product-spec-table td, .page-content table td {
    padding: 11px 16px;
    font-size: 0.88rem;
    color: var(--text-base);
    background-color: #ffffff;
    border-bottom: 1px solid var(--border-light);
    border-inline: 1px solid var(--border-light);
}

.product-spec-table tr:nth-of-type(even) td, .page-content table tr:nth-of-type(even) td {
    background-color: var(--bg-alt); /* 제브라 무늬 */
}

.product-spec-table tr:hover td, .page-content table tr:hover td {
    background-color: rgba(27, 63, 122, 0.04); /* 가시성 향상 */
}

/* ── 24. 유틸리티 ────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .5s ease, transform .5s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ── 25. 홈: 기술 카탈로그형 레이아웃 ────────────────────── */
.home-hero {
    padding-top: var(--header-h);
    background: #081E30;
    border-bottom: 0;
}

.home-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(340px, .75fr);
    gap: clamp(48px, 7vw, 96px);
    align-items: center;
    padding-block: clamp(72px, 9vw, 116px);
}

.home-kicker,
.home-section-index,
.home-tech-label {
    margin-bottom: 18px;
    color: #7BC2DA;
    font-family: 'Inter', sans-serif;
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .12em;
}

.home-hero-copy h1 {
    max-width: 760px;
    margin-bottom: 26px;
    color: #FFFFFF;
    font-size: clamp(2.25rem, 5vw, 4.25rem);
    font-weight: 700;
    letter-spacing: -.045em;
    line-height: 1.16;
}

.home-hero-lead {
    max-width: 680px;
    margin-bottom: 34px;
    color: rgba(255,255,255,.75);
    font-size: clamp(.96rem, 1.6vw, 1.08rem);
    line-height: 1.85;
}

.home-hero-actions {
    display: flex;
    align-items: center;
    gap: 26px;
    flex-wrap: wrap;
}

.home-text-link,
.home-selection-brief > a,
.home-product-item > a,
.home-tech-note > a,
.home-company-links a,
.home-head-link {
    color: inherit;
    font-size: .95rem;
    font-weight: 700;
    text-decoration: none;
}

.home-text-link:hover,
.home-selection-brief > a:hover,
.home-product-item > a:hover,
.home-tech-note > a:hover,
.home-company-links a:hover,
.home-head-link:hover { text-decoration: underline; }

.home-selection-brief {
    background: #09304F;
    color: #fff;
    border: 1px solid rgba(9,181,213,.2);
}

.home-brief-head {
    padding: 26px 30px 22px;
    border-bottom: 1px solid rgba(255,255,255,.16);
}

.home-brief-head p {
    margin-bottom: 7px;
    color: #7BBDD4;
    font-family: 'Inter', sans-serif;
    font-size: .76rem;
    font-weight: 700;
    letter-spacing: .12em;
}

.home-brief-head h2 { font-size: 1.24rem; font-weight: 700; }

.home-brief-list { padding: 8px 30px; }
.home-brief-list > div {
    display: grid;
    grid-template-columns: 92px 1fr;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(9,181,213,.15);
}
.home-brief-list > div:last-child { border-bottom: 0; }
.home-brief-list dt { color: #7BBDD4; font-size: .86rem; }
.home-brief-list dd { color: #fff; font-size: .94rem; font-weight: 600; }
.home-selection-brief > a {
    display: block;
    padding: 18px 30px;
    border-top: 1px solid rgba(9,181,213,.2);
    color: #09B5D5;
    font-weight: 700;
}

.home-scope { border-top: 1px solid rgba(255,255,255,.12); background: #0C2538; }
.home-scope-list {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
}
.home-scope-list > div {
    min-width: 0;
    padding: 20px 28px;
    border-right: 1px solid rgba(255,255,255,.12);
}
.home-scope-list > div:first-child { padding-left: 0; }
.home-scope-list > div:last-child { border-right: 0; }
.home-scope-list dt {
    margin-bottom: 4px;
    color: #7AAFC7;
    font-size: .8rem;
    font-weight: 700;
}
.home-scope-list dd { color: #FFFFFF; font-size: .92rem; line-height: 1.6; }

.home-section-head {
    display: grid;
    grid-template-columns: minmax(260px, .75fr) minmax(320px, 1.25fr);
    gap: 48px;
    align-items: end;
    margin-bottom: 40px;
    padding-bottom: 22px;
    border-bottom: 1px solid #B8C7D1;
}
.home-section-head .home-section-index { margin-bottom: 8px; }
.home-section-head h2,
.home-company h2,
.home-contact h2 {
    color: #0C1D2C;
    font-size: clamp(1.7rem, 3vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -.035em;
    line-height: 1.3;
}
.home-section-head > p {
    max-width: 620px;
    color: #3F5C6E;
    font-size: 1rem;
    line-height: 1.75;
}

.home-product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-left: 1px solid #C8D5DE;
    border-top: 1px solid #C8D5DE;
}
.home-product-item {
    min-height: 260px;
    padding: 28px;
    border-right: 1px solid #C8D5DE;
    border-bottom: 1px solid #C8D5DE;
    background: #fff;
    transition: background-color var(--trans);
}
.home-product-item:hover { background: #EDF5FA; }
.home-product-meta {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 36px;
    color: #5E7C90;
    font-family: 'Inter', sans-serif;
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .04em;
}
.home-product-item h3 {
    margin-bottom: 13px;
    color: #0C1D2C;
    font-size: 1.16rem;
    font-weight: 700;
}
.home-product-item p {
    min-height: 74px;
    margin-bottom: 20px;
    color: #3F5A6D;
    font-size: .94rem;
    line-height: 1.7;
}
.home-product-item > a { color: #09B5D5; }

.home-engineering { background: #071B2C; color: #fff; }
.home-section-head--light { border-bottom-color: rgba(9,181,213,.3); }
.home-section-head--light .home-section-index,
.home-section-head--light > p { color: #AEBEC9; }
.home-section-head--light h2 { color: #fff; }
.home-engineering-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(44px, 8vw, 112px);
}
.home-tech-note {
    padding-right: clamp(24px, 5vw, 72px);
    border-right: 1px solid rgba(255,255,255,.2);
}
.home-tech-label { color: #7BBDD4; }
.home-tech-note h3 {
    max-width: 520px;
    margin-bottom: 20px;
    font-size: clamp(1.3rem, 2.4vw, 1.8rem);
    font-weight: 700;
    line-height: 1.45;
}
.home-tech-note p {
    max-width: 560px;
    margin-bottom: 26px;
    color: #B0C9D6;
    font-size: 1rem;
    line-height: 1.85;
}
.home-tech-note > a { color: #fff; }
.home-workflow { list-style: none; }
.home-workflow li {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 22px;
    padding: 22px 0;
    border-bottom: 1px solid rgba(9,181,213,.2);
}
.home-workflow li:first-child { padding-top: 0; }
.home-workflow > li > span {
    color: #09B5D5;
    font-family: 'Inter', sans-serif;
    font-size: .82rem;
    font-weight: 700;
}
.home-workflow h3 { margin-bottom: 6px; font-size: 1.08rem; }
.home-workflow p { color: #A8BFC9; font-size: .94rem; line-height: 1.75; }

.home-company { border-bottom: 1px solid #C8D5DE; }
.home-company-grid {
    display: grid;
    grid-template-columns: .85fr 1.15fr;
    gap: clamp(48px, 9vw, 128px);
}
.home-company-copy > p {
    max-width: 650px;
    margin-bottom: 32px;
    color: #3F596C;
    font-size: 1.04rem;
    line-height: 1.9;
}
.home-company-links {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    color: #09B5D5;
}

.home-news { background: #F3F7F9; }
.home-news .home-section-head {
    grid-template-columns: 1fr auto;
    align-items: end;
}
.home-head-link { color: #09B5D5; }
.home-news-list { border-top: 1px solid #B3C3CD; }
.home-news-row {
    display: grid;
    grid-template-columns: 110px 100px 1fr 24px;
    gap: 20px;
    align-items: center;
    padding: 20px 4px;
    border-bottom: 1px solid #CDDAE2;
}
.home-news-row time,
.home-news-row > span { color: #71808B; font-size: .82rem; }
.home-news-row h3 { font-size: 1rem; font-weight: 600; }
.home-news-row h3 a { color: #0C1D2C; }
.home-empty-news { color: #71808B; font-size: 1rem; }

.home-contact { padding-block: clamp(56px, 7vw, 84px); background: #071B2C; color: #fff; }
.home-contact-grid {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 64px;
    align-items: center;
}
.home-contact .home-section-index { color: #7BBDD4; }
.home-contact h2 { color: #fff; }
.home-contact-action { padding-left: 40px; border-left: 1px solid rgba(9,181,213,.25); }
.home-contact-action p { margin-bottom: 22px; color: #A8C2D0; font-size: 1rem; line-height: 1.75; }
.home-contact-action .btn { margin-right: 20px; }
.home-contact-action > a:last-child { color: rgba(255,255,255,.85); font-size: .92rem; text-decoration: none; }
.home-contact-action > a:last-child:hover { color: #fff; text-decoration: underline; }

/* ── 26. 하위 페이지: 기술 문서형 공통 체계 ─────────────── */
.page-hero {
    padding-block: clamp(54px, 7vw, 82px);
    padding-top: calc(var(--header-h) + clamp(42px, 6vw, 68px));
    background: #081E30;
    text-align: left;
}
.page-hero-eyebrow {
    margin-bottom: 13px;
    color: #7BBDD4;
    font-size: .8rem;
    letter-spacing: .12em;
}
.page-hero-title {
    max-width: 940px;
    margin-bottom: 14px;
    color: #FFFFFF;
    font-size: clamp(2.1rem, 4.6vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -.04em;
    line-height: 1.18;
}
.page-hero-desc {
    max-width: 720px;
    margin-inline: 0;
    color: rgba(255,255,255,.72);
    font-size: 1.06rem;
    line-height: 1.75;
}
.page-hero .article-date { color: rgba(255,255,255,.6); font-size: .9rem; }
.breadcrumb { background: #fff; border-color: #CDD8E0; padding-block: 13px; }
.breadcrumb-inner { gap: 8px; color: #5E7282; font-size: .86rem; }
.breadcrumb-inner a { color: #09B5D5; }

.section-header {
    max-width: 840px;
    margin-bottom: 42px;
    padding-bottom: 22px;
    border-bottom: 2px solid #09B5D5;
    text-align: left;
}
.section-label {
    margin-bottom: 12px;
    padding: 0;
    border: 0;
    border-radius: 0;
    color: #09B5D5;
    font-size: .78rem;
    letter-spacing: .13em;
    font-weight: 700;
}
.section-title {
    margin-bottom: 12px;
    color: #0C1D2C;
    font-size: clamp(1.65rem, 3vw, 2.35rem);
    font-weight: 700;
    letter-spacing: -.03em;
}
.section-subtitle { max-width: 700px; color: #48697A; font-size: 1rem; line-height: 1.75; }

.filter-tabs { gap: 0; margin-bottom: 42px; border-color: #B0BFCA; overflow-x: auto; flex-wrap: nowrap; }
.filter-btn { flex: 0 0 auto; padding: 12px 18px; color: #4E6475; font-size: .94rem; }
.filter-btn.active,
.filter-btn[aria-current="page"] { color: #09B5D5; border-bottom-color: #09B5D5; font-weight: 700; }

.product-list-view { gap: 56px; }
.product-list-view.show-cat-headers .product-section-hd {
    display: flex;
    align-items: baseline;
    gap: 14px;
    margin-bottom: 0;
    padding: 14px 0 12px;
    border-bottom: 2px solid var(--primary);
}
.product-section-title { color: #0C1D2C; font-size: 1.15rem; font-weight: 700; letter-spacing: -.01em; }
.product-subgroup-hd,
.product-subgroup-hd[data-subgroup] {
    margin-bottom: 0;
    padding: 10px 14px;
    border: 0;
    border-bottom: 1px solid #D1D8DE;
    border-radius: 0;
    background: var(--bg-alt);
    box-shadow: none;
}
.product-subgroup-hd[data-subgroup] .subgroup-label,
.subgroup-label { color: #3F5868; font-size: .82rem; font-weight: 700; letter-spacing: .04em; }
.product-subgroup-hd[data-subgroup] .subgroup-icon,
.subgroup-icon { color: #4F6473; }
.product-subgroup-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-left: 1px solid var(--border);
    border-top: 1px solid var(--border);
}
.product-list-card {
    border: 0;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    border-radius: 0;
    transition: background-color var(--trans);
}
.product-list-card:hover {
    background-color: #EEF5FA;
    box-shadow: none;
    transform: none;
}
.product-img-wrap { aspect-ratio: 1 / 1; padding: 12px; background: #F5F8FA; border-bottom: 1px solid var(--border-light); }
.product-body { padding: 16px 18px 14px; display: flex; flex-direction: column; flex: 1; }
.product-cat-badge,
.product-list-card[data-category] .product-cat-badge {
    display: none;
}
.product-status-badge {
    display: inline-block;
    margin: 0 0 8px;
    padding: 2px 8px;
    border-radius: 2px;
    border: 1px solid #F2C46D;
    background: #FFF8E8;
    color: #7A5010;
    font-size: .72rem;
    font-weight: 700;
}
.product-name { margin-bottom: 4px; color: #0C1D2C; font-size: 1rem; font-weight: 700; line-height: 1.4; min-height: 2.8rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-name-sub { margin-bottom: 12px; min-height: 1.5rem; flex-wrap: wrap; align-items: center; gap: 6px; }
.product-name-kr { color: #5E707D; font-size: .82rem; }
.product-catno-badge { padding: 2px 6px; background: #F2F4F5; font-size: .78rem; }
.product-specs-list { gap: 0; border-top: 1px solid #D8E2E9; flex: 1; margin-top: auto; }
.product-spec-item {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 8px;
    padding: 8px 0;
    border-bottom: 1px solid #E5E9EC;
    font-size: .86rem;
    align-items: baseline;
}
.spec-label { width: auto; color: #6A7984; font-size: .78rem; white-space: nowrap; }
.spec-val { color: #233846; font-weight: 600; }
.product-foot-action {
    flex-direction: row;
    padding: 12px 18px 14px;
    border-top: 1px solid var(--border-light);
    background: #F5F8FA;
    gap: 8px;
}
.product-foot-action > * { flex: 1; }
.btn-sm { font-size: .88rem; }

.product-detail-grid { grid-template-columns: minmax(320px, .85fr) minmax(0, 1.15fr); gap: clamp(42px, 7vw, 88px); }
.product-media {
    position: sticky;
    top: calc(var(--header-h) + 24px);
}
.product-detail-img {
    border-radius: 0;
    background: #fff;
}
.product-detail-label,
.partner-scope-label,
.partner-code {
    margin-bottom: 13px;
    color: #627482;
    font-family: 'Inter', sans-serif;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .12em;
}
.product-detail-summary {
    margin-bottom: 30px;
    color: #425867;
    font-size: 1.02rem;
    line-height: 1.85;
}
.product-spec-heading {
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 2px solid #09B5D5;
    color: #0C1D2C;
    font-size: 1.2rem;
}
dl.product-spec-table { border: 0; border-radius: 0; }
dl.product-spec-table .product-spec-item {
    grid-template-columns: 124px 1fr;
    padding: 12px 4px;
}
dl.product-spec-table .spec-label { font-size: .9rem; }
dl.product-spec-table .spec-val { font-size: .98rem; }
dl.product-spec-table small { display: block; margin-top: 3px; color: #71808A; font-size: .78rem; font-weight: 400; }
.product-spec-note { margin-top: 16px; color: #6A7882; font-size: .86rem; line-height: 1.7; }
.product-actions { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.product-detail-body { margin-top: 80px; padding-top: 42px; border-top: 1px solid #B0BFC9; }
.product-detail-body > h2 { margin-bottom: 24px; color: #0C1D2C; font-size: 1.7rem; }
.page-content { color: #3F5361; font-size: 1rem; line-height: 1.9; }
.page-content h2 { font-size: 1.45rem; }
.page-content h3 { font-size: 1.2rem; }

.about-intro { grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); gap: clamp(48px, 8vw, 96px); }
.about-intro-text h2 { color: #0C1D2C; font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 700; }
.about-intro-text p { color: #465B69; font-size: 1rem; line-height: 1.9; }
.company-table { margin-top: 30px !important; border-top: 2px solid #09B5D5; }
.company-table th,
.company-table td { padding: 13px 15px; border-inline: 0; font-size: .94rem; }
.company-table th { width: 150px; color: #536876; background: #F4F6F7; }
.partner-scope-panel { padding: 30px; border: 1px solid #BAC9D4; background: #F3F7FA; }
.partner-scope-panel--dark { background: #0B2D47; color: #fff; }
.partner-scope-panel--dark .partner-scope-label { color: #7BBDD4; }
.partner-scope-panel h3 { margin-bottom: 22px; font-size: 1.2rem; }
.partner-scope-panel ul { border-top: 1px solid currentColor; }
.partner-scope-panel li {
    display: grid;
    grid-template-columns: 36px 1fr;
    gap: 10px;
    padding: 13px 0;
    border-bottom: 1px solid rgba(99,119,132,.3);
    font-size: .92rem;
}
.partner-scope-panel li span { color: #718695; font-family: 'Inter', sans-serif; font-size: .75rem; }
.partner-scope-panel--dark li { border-bottom-color: rgba(255,255,255,.17); }
.partner-scope-panel--dark li span { color: #A8BECC; }
.partner-logo-block {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 88px;
    padding: 20px 16px;
    border-bottom: 1px solid #CAD3DA;
    margin: -30px -30px 24px;
    background: #fff;
}
.partner-scope-panel--dark .partner-logo-block,
.partner-logo-block--on-dark {
    border-bottom: 0;
    border-radius: 4px;
    margin-bottom: 24px;
}
.partner-logo-block a,
.partner-brand {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    line-height: 0;
}
.partner-brand img {
    width: auto;
    height: 2.1rem;
    max-height: none;
    object-fit: contain;
    display: block;
    flex-shrink: 0;
}
.partner-scope-panel--dark .partner-logo-block img {
    width: auto;
    height: auto;
    max-width: 200px;
    max-height: 56px;
}
.partner-brand-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: left;
    line-height: normal;
}
.partner-brand-name {
    color: #0B2D47;
    font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: .04em;
    line-height: 1.2;
}
.company-table a { color: #0B2D47; font-weight: 700; text-decoration: none; }
.company-table a:hover { color: #09B5D5; text-decoration: underline; }
.partner-grid { gap: 0; border: 1px solid #C9D2D8; }
.partner-card { border: 0; border-right: 1px solid #C9D2D8; border-radius: 0; padding: 32px; }
.partner-card:last-child { border-right: 0; }
.partner-code { color: #627482; }
.partner-card h3 { font-size: 1.15rem; }
.partner-card p { font-size: .95rem; line-height: 1.8; }
.partner-contact-line { margin-top: 18px; color: #5D6F7B; }
.partner-contact-line a { color: #0B2D47; font-weight: 700; text-decoration: none; }
.partner-contact-line a:hover { color: #09B5D5; text-decoration: underline; }

.requirement-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid #B0BFCA;
    border-left: 1px solid #C5D3DC;
}
.requirement-grid > div { min-height: 138px; padding: 22px; border-right: 1px solid #C5D3DC; border-bottom: 1px solid #C5D3DC; }
.requirement-grid dt { margin-bottom: 10px; color: #0B2D47; font-size: 1rem; font-weight: 700; }
.requirement-grid dd { color: #425C6C; font-size: .9rem; line-height: 1.7; }
.selection-table-wrap { margin-top: 38px; overflow-x: auto; }
.selection-table { min-width: 720px; border-top: 2px solid #09B5D5; }
.selection-table th,
.selection-table td { padding: 15px 18px; border-bottom: 1px solid #C8D5DC; font-size: .94rem; text-align: left; }
.selection-table thead th { background: #EDF2F6; color: #253646; }
.selection-table tbody th { width: 160px; color: #0B2D47; }
.guide-flow-list { border-top: 1px solid #B0BFC9; }
.guide-flow-item { gap: 28px; padding: 24px 4px; border: 0; border-bottom: 1px solid #C5D2D9; border-radius: 0; background: transparent; }
.guide-flow-num { min-width: 44px; color: #09B5D5; font-size: .84rem; font-weight: 700; }
.guide-flow-body h3 { color: #0B2D47; font-size: 1.1rem; }
.guide-flow-body p { color: #3F5868; font-size: .96rem; line-height: 1.8; }

.contact-layout { grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); gap: clamp(40px, 6vw, 72px); align-items: start; }
.contact-form-wrap { padding: 34px; border: 1px solid #C9D2D8; border-radius: 0; box-shadow: none; }
.contact-form fieldset { padding: 24px; border-radius: 0; }
label { font-size: .94rem; }
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
textarea,
select { padding: 11px 13px; font-size: 1rem; }
.checkbox-label { font-size: .92rem; }
.contact-info-card { padding: 26px; border: 1px solid #C9D2D8; border-radius: 0; background: #F6F8F9; }
.contact-info-card h3 { font-size: 1.08rem; }
.contact-info-card li,
.contact-info-card p,
.contact-info-card address { font-size: .92rem; line-height: 1.7; }
.contact-prep-card { margin-top: 20px; background: #EDF2F7; color: #0C1D2C; border: 1px solid #C2D1DC; }
.contact-prep-card h3 { color: #0B2740; }
.contact-prep-card ol { border-top: 1px solid #C2D1DC; }
.contact-prep-card li {
    display: grid;
    grid-template-columns: 34px 1fr;
    gap: 8px;
    padding: 11px 0;
    border-bottom: 1px solid #D6E3EC;
    color: #334B5E;
}
.contact-prep-card li span { color: #09B5D5; font-family: 'Inter', sans-serif; font-size: .75rem; font-weight: 700; }

.news-list { border-top: 1px solid #AEBDC9; }
.news-list-item { display: grid; grid-template-columns: 130px 110px 1fr; gap: 24px; padding: 22px 4px; }
.news-date { min-width: 0; font-size: .86rem; }
.news-cat { justify-self: start; border-radius: 2px; font-size: .78rem; }
.news-title { font-size: 1rem; }
.article-container { max-width: 900px; }
.article-content { font-size: 1.05rem; }

.legal-content { max-width: 820px; color: #334B5E; font-size: 1rem; line-height: 1.9; }
.legal-content h2 { color: #0B2D47; font-size: 1.25rem; }
.legal-updated { font-size: .88rem; }
.sitemap-grid { gap: 0; border-top: 1px solid #BEC8CF; border-left: 1px solid #D5DCE1; }
.sitemap-col { padding: 26px; border-right: 1px solid #D5DCE1; border-bottom: 1px solid #D5DCE1; }
.sitemap-col-title { font-size: 1.05rem; color: #09B5D5; }
.sitemap-col a,
.sitemap-product-list li a { font-size: .94rem; }
.sitemap-divider { margin: 52px 0 28px; border: 0; border-top: 1px solid #AEBBC5; }
.sitemap-products-heading { margin-bottom: 22px; color: #0B2D47; font-size: 1.3rem; }

.cta-section { text-align: left; }
.cta-section .container {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px 48px;
    align-items: center;
}
.cta-section .cta-title,
.cta-section .cta-desc { grid-column: 1; }
.cta-section .cta-desc { margin: 0; font-size: 1rem; }
.cta-section .btn { grid-column: 2; grid-row: 1 / span 2; }

/* ── 25. 반응형 ──────────────────────────────────────────── */
@media (max-width: 1024px) {
    .footer-upper    { grid-template-columns: 1fr 1fr; }
    .about-strip     { grid-template-columns: 1fr; }
    .about-intro     { grid-template-columns: 1fr; }
    .product-detail-grid { grid-template-columns: 1fr; gap: 24px; }
    .contact-layout  { grid-template-columns: 1fr; }
    .partner-grid    { grid-template-columns: 1fr; }
    .guide-vip-grid  { grid-template-columns: 1fr; }
    .sitemap-grid    { grid-template-columns: repeat(2, 1fr); }
    .product-cats    { grid-template-columns: repeat(2, 1fr); }
    .home-product-grid { grid-template-columns: repeat(2, 1fr); }
    .requirement-grid { grid-template-columns: repeat(2, 1fr); }
    .product-subgroup-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .site-nav {
        display: none;
        position: fixed;
        top: var(--header-h); left: 0; right: 0;
        z-index: 890;
        background: #fff;
        border-bottom: 1px solid var(--border);
        padding: 16px var(--container-pad);
        box-shadow: var(--shadow-md);
    }
    .site-nav.open { display: block; }
    .nav-menu { flex-direction: column; align-items: stretch; gap: 2px; }
    .nav-menu a { padding: 11px 12px; }

    /* site-nav가 display:none이면 margin-left:auto가 빠지므로 햄버거를 우측 고정 */
    .nav-actions { margin-left: auto; }
    .nav-toggle { display: flex; }
    .btn-header-cta { display: none; }

    .site-logo { min-width: 0; max-width: calc(100% - 56px); }
    .site-logo > div { min-width: 0; }
    .logo-sub {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .hero-inner    { grid-template-columns: 1fr; }
    .hero-panel    { flex-direction: row; flex-wrap: wrap; }
    .hero-stat-card { flex: 1; min-width: 140px; }

    .news-grid    { grid-template-columns: 1fr; }
    .vip-grid     { grid-template-columns: 1fr; }
    .about-stats  { grid-template-columns: 1fr 1fr; }

    .footer-upper  { grid-template-columns: 1fr; gap: 24px; }
    .footer-bottom { flex-direction: column; text-align: center; }

    .contact-form-wrap { padding: 22px 16px; }
    .contact-form fieldset { padding: 16px; }
    .form-row { grid-template-columns: 1fr; }
    .checkbox-grid { grid-template-columns: 1fr 1fr; }

    .guide-flow-item { flex-direction: column; gap: 10px; padding: 18px 20px; }

    .sitemap-grid { grid-template-columns: 1fr 1fr; }
    .news-list-item { flex-direction: column; gap: 4px; }

    .home-hero-grid,
    .home-section-head,
    .home-engineering-grid,
    .home-company-grid,
    .home-contact-grid { grid-template-columns: 1fr; }
    .home-hero-grid { gap: 40px; padding-block: 56px; }
    .home-hero-copy h1 { font-size: clamp(2rem, 9vw, 3rem); }
    .home-scope-list { grid-template-columns: 1fr; }
    .home-scope-list > div,
    .home-scope-list > div:first-child {
        padding: 15px 0;
        border-right: 0;
        border-bottom: 1px solid rgba(255,255,255,.12);
    }
    .home-scope-list > div:last-child { border-bottom: 0; }
    .home-section-head { gap: 14px; }
    .home-tech-note { padding-right: 0; padding-bottom: 36px; border-right: 0; border-bottom: 1px solid rgba(9,181,213,.2); }
    .home-contact-action { padding-left: 0; padding-top: 28px; border-left: 0; border-top: 1px solid rgba(9,181,213,.25); }
    .home-news-row { grid-template-columns: 88px 78px 1fr; gap: 12px; }
    .home-news-row > span:last-child { display: none; }

    .product-media { position: static; max-width: 620px; }
    .product-detail-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .product-foot-action { flex-direction: column; }
    .about-intro-reverse { direction: ltr; }
    .partner-card { border-right: 0; border-bottom: 1px solid #C9D2D8; }
    .partner-card:last-child { border-bottom: 0; }
    .partner-scope-panel { padding: 22px 18px; }
    .partner-logo-block {
        margin: -22px -18px 20px;
        padding: 16px 14px;
        min-height: 72px;
    }
    .partner-brand-name { font-size: 1.05rem; }
    .company-table th,
    .company-table td { padding: 11px 12px; font-size: .9rem; }
    .company-table th { width: 7.5rem; }
    .requirement-grid { grid-template-columns: 1fr; }
    .news-list-item { grid-template-columns: 108px 1fr; gap: 8px 16px; }
    .news-list-item .news-title { grid-column: 2; }
    .cta-section .container { grid-template-columns: 1fr; }
    .cta-section .cta-title,
    .cta-section .cta-desc,
    .cta-section .btn { grid-column: 1; grid-row: auto; }
    .cta-section .btn { justify-self: start; margin-top: 16px; }
    .product-compare-table th:nth-child(6),
    .product-compare-table td:nth-child(6) { display: none; }
}

@media (max-width: 480px) {
    .product-cats   { grid-template-columns: 1fr; }
    .product-subgroup-grid { grid-template-columns: 1fr; }
    .checkbox-grid  { grid-template-columns: 1fr; }
    .sitemap-grid   { grid-template-columns: 1fr; }
    .partner-grid   { grid-template-columns: 1fr; }
    .hero-actions   { flex-direction: column; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .hero-panel     { flex-direction: column; }
    .home-product-grid { grid-template-columns: 1fr; }
    .home-product-item { min-height: auto; }
    .home-product-item p { min-height: auto; }
    .home-hero-actions { align-items: flex-start; flex-direction: column; }
    .home-news-row { grid-template-columns: 82px 1fr; }
    .home-news-row > span:nth-child(2) { display: none; }
    .home-contact-action .btn { display: flex; width: 100%; margin: 0 0 18px; }
    dl.product-spec-table .product-spec-item { grid-template-columns: 1fr; gap: 4px; }
    .contact-form-wrap { padding: 22px 16px; }
    .news-list-item { grid-template-columns: 1fr; }
    .news-list-item .news-title { grid-column: 1; }

    .company-table,
    .company-table tbody,
    .company-table tr,
    .company-table th,
    .company-table td {
        display: block;
        width: 100%;
    }
    .company-table tr { border-bottom: 1px solid #D5DEE5; }
    .company-table tr:last-child { border-bottom: 0; }
    .company-table th {
        width: 100%;
        padding-bottom: 4px;
        border-bottom: 0;
        background: transparent;
        color: #718695;
        font-size: .78rem;
        font-weight: 700;
    }
    .company-table td {
        padding-top: 0;
        padding-bottom: 12px;
        border-top: 0;
    }
    .partner-brand { gap: 10px; }
    .partner-brand img { height: 1.9rem; }
    .partner-brand-name { font-size: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}