*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --blue-50: #eff6ff;
      --blue-100: #dbeafe;
      --blue-200: #bfdbfe;
      --blue-300: #93c5fd;
      --blue-400: #60a5fa;
      --blue-500: #3b82f6;
      --blue-600: #2563eb;
      --blue-700: #1d4ed8;
      --blue-800: #1e40af;
      --blue-900: #1e3a8a;
      --blue-950: #172554;
      --slate-400: #94a3b8;
      --slate-500: #64748b;
      --slate-600: #475569;
      --slate-700: #334155;
      --white: #ffffff;
      --bg: #f0f5ff;
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
      background: var(--white);
      color: var(--blue-900);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    /* ── 네비게이션 ── */
    nav {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255,255,255,0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--blue-100);
      padding: 0 5%;
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .nav-logo {
      display: flex;
      align-items: center;
      text-decoration: none;
      color: var(--blue-900);
      font-size: 18px;
      font-weight: 800;
      letter-spacing: 0.08em;
      line-height: 1;
    }

    .nav-logo:hover { color: var(--blue-700); }

    .nav-links {
      display: flex;
      gap: 32px;
      list-style: none;
    }

    .nav-links a {
      text-decoration: none;
      color: var(--slate-600);
      font-size: 14px;
      font-weight: 500;
      transition: color 0.2s;
    }

    .nav-links a:hover { color: var(--blue-600); }

    .nav-cta {
      background: var(--blue-600);
      color: white !important;
      padding: 8px 20px;
      border-radius: 8px;
      font-weight: 600 !important;
      font-size: 14px;
      transition: background 0.2s !important;
    }

    .nav-cta:hover { background: var(--blue-700) !important; color: white !important; }

    /* ── 언어 토글 버튼 ── */
    .lang-toggle {
      border: 1px solid var(--blue-200);
      background: transparent;
      color: var(--blue-700);
      font-family: inherit;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.3px;
      padding: 6px 12px;
      border-radius: 8px;
      cursor: pointer;
      transition: background 0.2s, color 0.2s, border-color 0.2s;
    }
    .lang-toggle:hover { background: var(--blue-600); color: #fff; border-color: var(--blue-600); }
    .nav-links li.nav-lang { display: flex; align-items: center; }
    @media (max-width: 820px) {
      .nav-links li.nav-lang { justify-content: center; padding: 14px 6% 2px; }
      .nav-links li.nav-lang .lang-toggle { width: 100%; padding: 12px; font-size: 14px; }
    }

    /* ── 햄버거 토글 버튼 (모바일 전용) ── */
    .nav-toggle {
      display: none;
      flex-direction: column;
      justify-content: center;
      gap: 5px;
      width: 44px;
      height: 44px;
      padding: 0;
      margin: -6px -8px -6px 0;
      border: none;
      background: transparent;
      cursor: pointer;
      -webkit-tap-highlight-color: transparent;
    }
    .nav-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      margin: 0 auto;
      border-radius: 2px;
      background: var(--blue-900);
      transition: transform 0.3s ease, opacity 0.2s ease;
    }
    /* 열렸을 때 X 자로 변형 */
    nav.menu-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    nav.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
    nav.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    /* ── 히어로 ── */
    #hero {
      min-height: 90vh;
      background: linear-gradient(145deg, var(--blue-950) 0%, var(--blue-800) 55%, var(--blue-600) 100%);
      display: flex;
      align-items: center;
      padding: 80px 5%;
      position: relative;
      overflow: hidden;
    }

    #hero::before {
      content: '';
      position: absolute;
      top: -40%;
      right: -10%;
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(96,165,250,0.15) 0%, transparent 70%);
      border-radius: 50%;
    }

    #hero::after {
      content: '';
      position: absolute;
      bottom: -20%;
      left: 20%;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(59,130,246,0.1) 0%, transparent 70%);
      border-radius: 50%;
    }

    .hero-content {
      max-width: 780px;
      position: relative;
      z-index: 1;
    }

    .hero-tag {
      display: inline-block;
      background: rgba(255,255,255,0.12);
      border: 1px solid rgba(255,255,255,0.25);
      color: var(--blue-200);
      padding: 6px 16px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 500;
      letter-spacing: 0.5px;
      margin-bottom: 28px;
    }

    .hero-title {
      font-size: clamp(36px, 5.5vw, 68px);
      font-weight: 800;
      color: var(--white);
      line-height: 1.12;
      letter-spacing: -1.5px;
      margin-bottom: 24px;
      word-break: keep-all;
    }

    .hero-title span {
      color: var(--blue-300);
    }

    .hero-desc {
      font-size: clamp(15px, 1.8vw, 18px);
      color: rgba(255,255,255,0.72);
      line-height: 1.7;
      margin-bottom: 40px;
      max-width: 540px;
      word-break: keep-all;
    }

    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }

    .btn-primary {
      background: var(--white);
      color: var(--blue-800);
      padding: 14px 28px;
      border-radius: 10px;
      font-size: 15px;
      font-weight: 700;
      text-decoration: none;
      transition: all 0.2s;
      display: inline-block;
    }

    .btn-primary:hover {
      background: var(--blue-50);
      transform: translateY(-1px);
    }

    .btn-outline {
      background: transparent;
      color: var(--white);
      border: 1.5px solid rgba(255,255,255,0.4);
      padding: 14px 28px;
      border-radius: 10px;
      font-size: 15px;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.2s;
      display: inline-block;
    }

    .btn-outline:hover {
      background: rgba(255,255,255,0.1);
      border-color: rgba(255,255,255,0.7);
    }

    /* ── 스탯 바 ── */
    .stats-bar {
      background: var(--blue-950);
      padding: 28px 5%;
      display: flex;
      justify-content: center;
      gap: 64px;
      flex-wrap: wrap;
    }

    .stat-item {
      text-align: center;
    }

    .stat-num {
      font-size: 28px;
      font-weight: 800;
      color: var(--white);
      letter-spacing: -1px;
    }

    .stat-num span {
      color: var(--blue-400);
    }

    .stat-label {
      font-size: 12px;
      color: rgba(255,255,255,0.5);
      margin-top: 2px;
      letter-spacing: 0.5px;
    }

    /* ── 공통 섹션 ── */
    section {
      padding: 96px 5%;
    }

    .section-tag {
      display: inline-block;
      background: var(--blue-50);
      color: var(--blue-700);
      padding: 5px 14px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 16px;
    }

    .section-title {
      font-size: clamp(26px, 3.5vw, 40px);
      font-weight: 800;
      color: var(--blue-950);
      letter-spacing: -1px;
      line-height: 1.2;
      margin-bottom: 14px;
      word-break: keep-all;
    }

    .section-desc {
      font-size: 16px;
      color: var(--slate-500);
      line-height: 1.7;
      max-width: 520px;
      word-break: keep-all;
    }

    /* ── 회사 소개 ── */
    #about {
      background: var(--blue-50);
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 64px;
      align-items: center;
      margin-top: 52px;
    }

    .about-values {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .value-card {
      background: var(--white);
      border: 1px solid var(--blue-100);
      border-radius: 14px;
      padding: 24px;
    }

    .value-icon {
      width: 40px;
      height: 40px;
      background: var(--blue-100);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 12px;
    }

    .value-icon svg {
      width: 20px;
      height: 20px;
      stroke: var(--blue-600);
      fill: none;
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .value-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--blue-900);
      margin-bottom: 6px;
    }

    .value-desc {
      font-size: 13px;
      color: var(--slate-500);
      line-height: 1.6;
    }

    /* ── 연혁 ── */
    #history {
      background: var(--blue-950);
    }

    #history .section-title { color: var(--white); }
    #history .section-tag { background: rgba(255,255,255,0.1); color: var(--blue-200); }
    #history .section-desc { color: rgba(255,255,255,0.55); }

    .timeline {
      margin-top: 60px;
      position: relative;
      max-width: 860px;
    }

    .timeline::before {
      content: '';
      position: absolute;
      left: 116px;
      top: 0;
      bottom: 0;
      width: 1px;
      background: rgba(255,255,255,0.1);
    }

    .timeline-item {
      display: grid;
      grid-template-columns: 116px 1fr;
      gap: 32px;
      margin-bottom: 40px;
      position: relative;
    }

    .timeline-year {
      font-size: 14px;
      font-weight: 700;
      color: var(--blue-400);
      text-align: right;
      padding-top: 2px;
      padding-right: 24px;
    }

    .timeline-dot {
      position: absolute;
      left: 110px;
      top: 8px;
      width: 13px;
      height: 13px;
      background: var(--blue-500);
      border: 2px solid var(--blue-950);
      border-radius: 50%;
      box-shadow: 0 0 0 3px rgba(59,130,246,0.3);
    }

    .timeline-content {
      padding-left: 28px;
    }

    .timeline-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 6px;
    }

    .timeline-detail {
      font-size: 14px;
      color: rgba(255,255,255,0.5);
      line-height: 1.6;
      word-break: keep-all;
    }

    /* ── 조직도 ── */
    #org {
      background: var(--bg);
    }

    .org-wrapper {
      margin-top: 52px;
      overflow-x: auto;
      padding-bottom: 16px;
    }

    .org-tree {
      display: flex;
      flex-direction: column;
      align-items: center;
      min-width: 780px;
    }

    .org-node {
      background: var(--white);
      border: 1.5px solid var(--blue-200);
      border-radius: 12px;
      padding: 12px 20px;
      text-align: center;
      min-width: 120px;
    }

    .org-node.ceo {
      background: var(--blue-900);
      border-color: var(--blue-900);
      color: white;
      min-width: 160px;
      padding: 16px 28px;
    }

    .org-node.dept {
      background: var(--blue-50);
      border-color: var(--blue-200);
      min-width: 110px;
    }

    .org-node.team {
      background: var(--white);
      border-color: var(--blue-100);
      min-width: 96px;
      font-size: 12px;
    }

    .org-node-title {
      font-size: 11px;
      color: var(--blue-400);
      margin-bottom: 2px;
      font-weight: 500;
    }

    .org-node.ceo .org-node-title { color: rgba(255,255,255,0.6); }

    .org-node-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--blue-900);
    }

    .org-node.ceo .org-node-name { color: white; font-size: 16px; }
    .org-node.dept .org-node-name { color: var(--blue-800); font-size: 13px; }
    .org-node.team .org-node-name { color: var(--blue-700); font-size: 12px; }

    .org-members {
      display: flex;
      flex-direction: column;
      gap: 5px;
      margin-top: 8px;
    }

    .org-member {
      background: var(--white);
      border: 1px solid var(--blue-100);
      border-radius: 8px;
      padding: 6px 8px;
      min-width: 92px;
      text-align: center;
      line-height: 1.3;
    }

    .org-member .m-rank {
      font-size: 10px;
      color: var(--blue-400);
      font-weight: 500;
    }

    .org-member .m-name {
      font-size: 12px;
      color: var(--blue-800);
      font-weight: 600;
    }

    /* 조직도 컬럼 그룹 (중첩 트리) */
    .org-cols {
      display: flex;
      gap: 16px;
      align-items: flex-start;
      justify-content: center;
    }

    .org-col {
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    /* 멤버 카드 색상 액센트 */
    .org-member.acc-teal   { border-left: 3px solid #0f9c76; }
    .org-member.acc-navy   { border-left: 3px solid #334155; }
    .org-member.acc-blue   { border-left: 3px solid #2563eb; }
    .org-member.acc-purple { border-left: 3px solid #7c3aed; }

    /* 부서 노드 상단 색상 바 */
    .org-node.dept.bar-teal   { border-top: 3px solid #0f9c76; }
    .org-node.dept.bar-blue   { border-top: 3px solid #2563eb; }
    .org-node.dept.bar-purple { border-top: 3px solid #7c3aed; }
    .org-node.dept.bar-navy   { border-top: 3px solid #334155; }

    .org-connector-v {
      width: 1px;
      height: 28px;
      background: var(--blue-200);
    }

    /* 조직도 범례 */
    .org-legend {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 14px 22px;
      margin-top: 48px;
      padding-top: 28px;
      border-top: 1px solid var(--blue-100);
    }
    .org-legend-item {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      font-size: 13px;
      font-weight: 600;
      color: var(--slate-600);
    }
    .org-legend-item i {
      width: 12px;
      height: 12px;
      border-radius: 3px;
      display: inline-block;
      flex-shrink: 0;
    }

    /* 경영지원본부 ↔ 앱개발기획부 사이드 브랜치 */
    .org-mgmt-center {
      position: relative;
      display: flex;
      flex-direction: column;
      align-items: center;
      overflow: visible;
      padding-bottom: 44px;
    }

    .org-mgmt-row {
      display: flex;
      align-items: flex-start;
      justify-content: center;
      gap: 16px;
      width: 100%;
    }

    .org-mgmt-main {
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .org-side-branch {
      display: flex;
      flex-direction: row;
      align-items: center;
      gap: 16px;
      margin-top: 24px;
    }

    .org-side-link {
      height: 1px;
      background: var(--blue-200);
      flex-shrink: 0;
    }

    .org-side-link { width: 58px; }

    /* Keep both side departments connected at the center of their department cards. */
    .org-side-branch--right {
      align-items: flex-start;
    }

    .org-side-link--right {
      margin-top: 24px;
    }

    .org-strategy-block {
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .org-dev-block {
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    /* 사업본부 스타일 — 대표보다 한 단계 작게 */
    .org-node.biz-hq {
      background: var(--blue-800);
      border-color: var(--blue-800);
      min-width: 130px;
      padding: 10px 22px;
    }
    .org-node.biz-hq .org-node-name { color: white; font-size: 13px; }

    /* 사업본부 아래 긴 커넥터 */
    .org-connector-v--long {
      height: 52px;
    }

    /* 신규 부서 색상 */
    .org-node.dept.bar-rose  { border-top: 3px solid #e11d48; }
    .org-node.dept.bar-slate { border-top: 3px solid #64748b; }
    .org-member.acc-rose  { border-left: 3px solid #e11d48; }
    .org-member.acc-slate { border-left: 3px solid #64748b; }

    /* ── 지점 연락처 ── */
    #branches {
      background: var(--white);
    }

    .branches-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 24px;
      margin-top: 48px;
    }

    .branches-grid .showroom-card { order: 1; }
    .branches-grid .hq-card { order: 2; }

    .branch-card {
      border: 1px solid var(--blue-100);
      border-radius: 18px;
      padding: 32px;
      transition: border-color 0.2s, transform 0.2s;
    }

    .branch-card:hover {
      border-color: var(--blue-300);
      transform: translateY(-3px);
    }

    .branch-type-badge {
      display: inline-block;
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      margin-bottom: 16px;
    }

    .branch-type-badge.hq {
      background: var(--blue-100);
      color: var(--blue-700);
    }

    .branch-type-badge.showroom {
      background: #fef3c7;
      color: #92400e;
    }

    .branch-name {
      font-size: 20px;
      font-weight: 800;
      color: var(--blue-950);
      margin-bottom: 20px;
      letter-spacing: -0.3px;
    }

    .branch-info-row {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      margin-bottom: 12px;
    }

    .branch-info-icon {
      width: 18px;
      height: 18px;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .branch-info-icon svg {
      width: 18px;
      height: 18px;
      stroke: var(--blue-500);
      fill: none;
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .branch-info-text {
      font-size: 14px;
      color: var(--slate-600);
      line-height: 1.55;
    }

    .branch-info-text strong {
      color: var(--blue-900);
      font-weight: 600;
    }

    /* ── Contact ── */
    #contact {
      background: var(--blue-50);
    }

    .contact-info-list {
      display: flex;
      flex-direction: column;
      gap: 28px;
    }

    .contact-info-item {
      display: flex;
      gap: 16px;
      align-items: flex-start;
    }

    .contact-icon-wrap {
      width: 44px;
      height: 44px;
      background: var(--blue-100);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .contact-icon-wrap svg {
      width: 20px;
      height: 20px;
      stroke: var(--blue-600);
      fill: none;
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .contact-info-label {
      font-size: 12px;
      font-weight: 600;
      color: var(--slate-400);
      letter-spacing: 0.5px;
      margin-bottom: 4px;
    }

    .contact-info-value {
      font-size: 15px;
      font-weight: 600;
      color: var(--blue-900);
      line-height: 1.5;
    }

    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }

    .vehicle-lookup-card {
      margin-top: 16px;
      margin-bottom: 16px;
      padding: 32px;
      border: 1px solid var(--blue-100);
      border-radius: 16px;
      background: var(--white);
      text-align: center;
    }

    .vehicle-lookup-visual {
      display: block;
      width: min(100%, 320px);
      height: auto;
      margin: 0 auto 6px;
    }

    .vehicle-lookup-title {
      margin: 0 0 22px;
      color: var(--blue-800);
      font-size: 16px;
      font-weight: 700;
    }

    .vehicle-lookup-form {
      display: grid;
      grid-template-columns: 1fr;
      width: min(100%, 540px);
      margin: 0 auto;
      padding: 4px;
      border: 2px solid var(--blue-500);
      border-radius: 12px;
      background: var(--white);
      box-sizing: border-box;
    }

    .vehicle-lookup-form input {
      display: block;
      width: 100%;
      box-sizing: border-box;
      min-width: 0;
      height: 48px;
      padding: 0 16px;
      border: 0;
      border-radius: 8px;
      color: var(--blue-950);
      font: inherit;
      outline: none;
      cursor: pointer;
    }

    .vehicle-lookup-form input + label + input {
      border-top: 1px solid var(--blue-100);
      border-left: 0;
    }

    .vehicle-lookup-form input:focus {
      box-shadow: inset 0 0 0 2px rgba(37, 99, 235, 0.18);
    }

    .vehicle-lookup-form input::placeholder {
      color: var(--slate-400);
    }

    .vehicle-lookup-button {
      display: block;
      width: min(100%, 540px);
      min-width: 0;
      height: 48px;
      padding: 0 20px;
      margin: 16px auto 0;
      box-sizing: border-box;
      border: 0;
      border-radius: 8px;
      background: #ff4d5a;
      color: #fff;
      font: inherit;
      font-size: 14px;
      font-weight: 700;
      cursor: pointer;
      transition: background 0.2s ease, transform 0.2s ease;
    }

    .vehicle-lookup-button:hover {
      background: #ef3948;
      transform: translateY(-1px);
    }

    .vehicle-lookup-manual {
      display: inline-block;
      margin-top: 18px;
      color: var(--slate-500);
      font-size: 12px;
      text-decoration: none;
    }

    .vehicle-lookup-manual:hover {
      color: var(--blue-700);
      text-decoration: underline;
    }

    .vehicle-lookup-feedback {
      margin: 12px 0 0;
      color: #d92d3a;
      font-size: 13px;
    }

    .vehicle-quote-card {
      margin-top: 16px;
      margin-bottom: 16px;
      padding: 40px 32px;
      border: 1px solid var(--blue-100);
      border-radius: 16px;
      background: var(--white);
      text-align: center;
    }

    .vehicle-quote-title {
      margin: 0;
      color: var(--blue-800);
      font-size: 20px;
      font-weight: 700;
    }

    .vehicle-quote-desc {
      margin: 10px 0 24px;
      color: var(--slate-500);
      font-size: 14px;
    }

    .vehicle-quote-button {
      display: inline-flex;
      width: min(100%, 320px);
      min-height: 50px;
      align-items: center;
      justify-content: center;
      box-sizing: border-box;
      padding: 0 24px;
      border-radius: 8px;
      background: #ff4d5a;
      color: var(--white);
      font-size: 14px;
      font-weight: 700;
      text-decoration: none;
      transition: background 0.2s ease, transform 0.2s ease;
    }

    .vehicle-quote-button:hover {
      background: #ef3948;
      transform: translateY(-1px);
    }

    /* ── 푸터 ── */
    footer {
      background: var(--blue-950);
      padding: 56px 5% 32px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.8fr 1fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255,255,255,0.08);
      margin-bottom: 28px;
    }

    .footer-logo-text {
      font-size: 22px;
      font-weight: 800;
      color: var(--white);
      letter-spacing: -0.5px;
      margin-bottom: 12px;
    }

    .footer-desc {
      font-size: 13px;
      color: rgba(255,255,255,0.4);
      line-height: 1.7;
      word-break: keep-all;
    }

    .footer-col-title {
      font-size: 12px;
      font-weight: 700;
      color: rgba(255,255,255,0.4);
      letter-spacing: 0.8px;
      margin-bottom: 16px;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      text-decoration: none;
      font-size: 14px;
      color: rgba(255,255,255,0.6);
      transition: color 0.2s;
    }

    .footer-links a:hover { color: var(--white); }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-copy {
      font-size: 12px;
      color: rgba(255,255,255,0.3);
    }

    .footer-legal {
      font-size: 12px;
      color: rgba(255,255,255,0.3);
      line-height: 1.7;
    }

    /* ── 소셜 플로팅 버튼 ── */
    .social-float {
      position: fixed;
      right: 22px;
      top: 50%;
      transform: translateY(-50%);
      z-index: 90;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .social-btn {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      box-shadow: 0 4px 16px rgba(30,58,138,0.18);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      position: relative;
    }

    .social-btn:hover {
      transform: scale(1.08);
      box-shadow: 0 6px 22px rgba(30,58,138,0.28);
    }

    .social-btn svg { width: 26px; height: 26px; }

    .social-btn.kakao { background: #FEE500; }
    .social-btn.insta {
      background: radial-gradient(circle at 30% 110%, #fdf497 0%, #fd5949 45%, #d6249f 70%, #285AEB 100%);
    }
    .social-btn.youtube { background: #FF0000; }
    .social-btn.naver { background: #03C75A; }

    /* 호버 시 라벨 */
    .social-btn .social-label {
      position: absolute;
      right: 62px;
      top: 50%;
      transform: translateY(-50%);
      background: var(--blue-950);
      color: white;
      font-size: 12px;
      font-weight: 600;
      padding: 6px 12px;
      border-radius: 8px;
      white-space: nowrap;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.2s ease;
    }

    .social-btn .social-label::after {
      content: '';
      position: absolute;
      right: -5px;
      top: 50%;
      transform: translateY(-50%);
      border-left: 5px solid var(--blue-950);
      border-top: 5px solid transparent;
      border-bottom: 5px solid transparent;
    }

    .social-btn:hover .social-label { opacity: 1; }

    /* ── 반응형 ── */
    @media (max-width: 900px) {
      .about-grid { grid-template-columns: 1fr; gap: 36px; }
      .group-grid { grid-template-columns: 1fr; }
      .contact-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .timeline::before { left: 72px; }
      .timeline-item { grid-template-columns: 72px 1fr; }
      .timeline-dot { left: 65px; }
      .timeline-year { padding-right: 16px; }
    }

    @media (max-width: 820px) {
      /* 햄버거 버튼 노출 */
      .nav-toggle { display: flex; }
      nav { padding: 0 5%; }

      /* 네비 링크 → 상단에서 펼쳐지는 드롭다운 패널 */
      .nav-links {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--blue-100);
        box-shadow: 0 16px 32px -16px rgba(15,23,42,0.25);
        padding: 8px 0 16px;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: max-height 0.32s ease, opacity 0.22s ease, transform 0.28s ease, visibility 0.32s;
      }
      nav.menu-open .nav-links {
        max-height: calc(100vh - 64px);
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        overflow-y: auto;
      }
      .nav-links li { width: 100%; }
      .nav-links a {
        display: block;
        padding: 15px 7%;
        font-size: 16px;
        border-bottom: 1px solid var(--blue-100);
      }
      .nav-links li:last-child a { border-bottom: none; }
      /* 문의하기 CTA는 패널 안에서 버튼 카드 형태로 */
      .nav-links a.nav-cta {
        margin: 12px 6% 0;
        padding: 14px 20px;
        text-align: center;
        border-radius: 10px;
        border-bottom: none;
      }
    }

    @media (max-width: 640px) {
      section { padding: 64px 5%; }
      .stats-bar { gap: 32px; }
      .footer-grid { grid-template-columns: 1fr; }
      .about-values { grid-template-columns: 1fr; }
      .org-mgmt-center {
        padding-bottom: 0;
      }
      .org-mgmt-main {
        width: 100%;
      }
      .org-mgmt-row {
        flex-direction: column;
        align-items: center;
        gap: 14px;
      }
      .org-side-branch {
        flex-direction: column;
        gap: 12px;
        width: 100%;
        margin-top: 0;
      }
      .org-side-link {
        width: 1px;
        height: 24px;
      }
      .org-side-link--right { margin-top: 0; }
      .social-float { right: 14px; gap: 10px; }
      .social-btn { width: 46px; height: 46px; }
      .social-btn svg { width: 23px; height: 23px; }
    }

    /* ===================================================== */
    /*  멀티페이지 추가 스타일                                */
    /* ===================================================== */

    /* ── 활성 네비 탭 ── */
    .nav-links a.active {
      color: var(--blue-700);
      font-weight: 700;
    }

    /* ── 히어로 배경 자동 슬라이드 ── */
    #hero.hero-slideshow {
      position: relative;
      overflow: hidden;
      min-height: 92vh;
    }

    .hero-slides {
      position: absolute;
      inset: 0;
      display: flex;
      width: 100%;
      height: 100%;
      transition: transform 1s cubic-bezier(0.65, 0, 0.35, 1);
      will-change: transform;
      z-index: 0;
    }

    .hero-slide {
      flex: 0 0 100%;
      width: 100%;
      height: 100%;
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
    }

    /* 텍스트 가독성을 위한 어둠 오버레이 (좌측 진하게 → 우측 옅게) */
    .hero-overlay {
      position: absolute;
      inset: 0;
      z-index: 1;
      background:
        linear-gradient(100deg, rgba(8,14,38,0.88) 0%, rgba(11,24,64,0.62) 44%, rgba(18,38,92,0.34) 100%),
        linear-gradient(0deg, rgba(8,14,38,0.55) 0%, transparent 36%);
    }

    #hero.hero-slideshow .hero-content { z-index: 2; }

    /* 하단 인디케이터 (막대형) */
    .hero-dots {
      position: absolute;
      bottom: 30px;
      left: 5%;
      display: flex;
      gap: 10px;
      z-index: 3;
    }

    .hero-dot {
      width: 40px;
      height: 4px;
      padding: 0;
      border: none;
      border-radius: 2px;
      background: rgba(255,255,255,0.35);
      cursor: pointer;
      transition: background 0.3s ease, transform 0.3s ease;
    }

    .hero-dot:hover { background: rgba(255,255,255,0.6); }
    .hero-dot.is-active { background: var(--white); transform: scaleY(1.5); }

    @media (prefers-reduced-motion: reduce) {
      .hero-slides { transition: none; }
    }

    /* ── 서브페이지 헤더 ── */
    .page-hero {
      background: linear-gradient(135deg, var(--blue-950) 0%, var(--blue-800) 55%, var(--blue-600) 100%);
      padding: 88px 5% 72px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .page-hero::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -5%;
      width: 480px;
      height: 480px;
      background: radial-gradient(circle, rgba(96,165,250,0.15) 0%, transparent 70%);
      border-radius: 50%;
    }

    .page-hero-tag {
      display: inline-block;
      background: rgba(255,255,255,0.12);
      border: 1px solid rgba(255,255,255,0.25);
      color: var(--blue-200);
      padding: 5px 14px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 18px;
      position: relative;
      z-index: 1;
    }

    .page-hero h1 {
      font-size: clamp(28px, 4vw, 44px);
      font-weight: 800;
      color: var(--white);
      letter-spacing: -1px;
      line-height: 1.2;
      margin-bottom: 14px;
      position: relative;
      z-index: 1;
      word-break: keep-all;
    }

    .page-hero p {
      font-size: clamp(14px, 1.6vw, 17px);
      color: rgba(255,255,255,0.72);
      line-height: 1.7;
      max-width: 560px;
      margin: 0 auto;
      position: relative;
      z-index: 1;
      word-break: keep-all;
    }

    /* 서브페이지 본문 섹션은 가운데 정렬 헤더 숨김용 보정 */
    .page-section .section-tag,
    .page-section .section-title,
    .page-section .section-desc {
      text-align: center;
      margin-left: auto;
      margin-right: auto;
    }

    /* ── 문의 연락처 카드 그리드 ── */
    .contact-cards {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    @media (max-width: 640px) {
      .contact-cards { grid-template-columns: 1fr; }
      .vehicle-lookup-card { padding: 24px 16px; }
      .vehicle-quote-card { padding: 32px 16px; }
      .vehicle-lookup-form { grid-template-columns: 1fr; gap: 4px; }
      .vehicle-lookup-form input + label + input { border-top: 1px solid var(--blue-100); border-left: 0; }
      .vehicle-lookup-button { width: min(100%, 540px); }
      .contact-page .social-float { display: none; }
    }

    /* ── 홈 메뉴 카드 (페이지 분기 안내) ── */
    .menu-cards {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 20px;
      margin-top: 48px;
    }

    .menu-card {
      display: block;
      text-decoration: none;
      background: var(--white);
      border: 1px solid var(--blue-100);
      border-radius: 16px;
      padding: 28px;
      transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
    }

    .menu-card:hover {
      transform: translateY(-4px);
      border-color: var(--blue-300);
      box-shadow: 0 8px 24px rgba(30,58,138,0.1);
    }

    .menu-card-icon {
      width: 44px;
      height: 44px;
      background: var(--blue-100);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
    }

    .menu-card-icon svg {
      width: 22px;
      height: 22px;
      stroke: var(--blue-600);
      fill: none;
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .menu-card-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--blue-950);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .menu-card-title .arrow {
      color: var(--blue-400);
      transition: transform 0.2s;
    }

    .menu-card:hover .menu-card-title .arrow { transform: translateX(4px); }

    .menu-card-desc {
      font-size: 13px;
      color: var(--slate-500);
      line-height: 1.6;
    }

    @media (max-width: 640px) {
      #hero.hero-slideshow { min-height: 86vh; }
      .hero-dots { bottom: 20px; gap: 8px; }
      .hero-dot { width: 28px; }
    }

    /* ══════════════════════════════════════════
       영상 / 전시장 / 갤러리 / 라이트박스 (추가)
       ══════════════════════════════════════════ */

    /* ── 영상 섹션 ── */
    .video-section { background: var(--blue-950); }
    .video-section .section-tag { color: var(--blue-300); }
    .video-section .section-title { color: var(--white); }
    .video-section .section-desc { color: rgba(255,255,255,0.7); }

    .video-frame {
      max-width: 920px;
      margin: 40px auto 0;
      border-radius: 18px;
      overflow: hidden;
      box-shadow: 0 24px 60px rgba(0,0,0,0.4);
      background: #000;
      position: relative;
      aspect-ratio: 16 / 9;
    }
    .video-frame video {
      width: 100%;
      height: 100%;
      display: block;
      object-fit: cover;
      background: #000;
    }
    /* 영상 미등록(준비중) 상태 */
    .video-frame.is-empty {
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--blue-900), var(--blue-700));
      aspect-ratio: 16 / 9;
    }
    .video-empty-msg {
      text-align: center;
      color: rgba(255,255,255,0.85);
      padding: 24px;
    }
    .video-empty-msg svg {
      width: 52px; height: 52px;
      stroke: rgba(255,255,255,0.6);
      fill: none; stroke-width: 1.5;
      margin-bottom: 12px;
    }
    .video-empty-msg strong { display: block; font-size: 16px; font-weight: 700; margin-bottom: 4px; }
    .video-empty-msg span { font-size: 13px; color: rgba(255,255,255,0.6); }

    /* ── 전시장 상세 블록 ── */
    .exhibition {
      max-width: 1080px;
      margin: 0 auto 64px;
    }
    .exhibition:last-child { margin-bottom: 0; }
    .exhibition-head {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
      flex-wrap: wrap;
    }
    .exhibition-badge {
      display: inline-block;
      background: var(--blue-100);
      color: var(--blue-700);
      font-size: 12px;
      font-weight: 700;
      padding: 5px 12px;
      border-radius: 20px;
      letter-spacing: 0.3px;
    }
    .exhibition-title {
      font-size: clamp(20px, 2.6vw, 28px);
      font-weight: 800;
      color: var(--blue-950);
      letter-spacing: -0.5px;
    }
    .exhibition-desc {
      font-size: 15px;
      color: var(--slate-600);
      line-height: 1.8;
      max-width: 780px;
      margin-bottom: 14px;
      word-break: keep-all;
    }
    .exhibition-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 24px;
      margin-bottom: 24px;
      padding: 16px 20px;
      background: var(--blue-50);
      border-radius: 12px;
    }
    .exhibition-meta-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--slate-700);
    }
    .exhibition-meta-item svg {
      width: 16px; height: 16px;
      stroke: var(--blue-500);
      fill: none; stroke-width: 2;
      stroke-linecap: round; stroke-linejoin: round;
      flex-shrink: 0;
    }
    .exhibition-meta-item strong { color: var(--blue-800); font-weight: 700; }

    /* ── 갤러리 그리드 ── */
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
      gap: 10px;
    }
    .gallery-item {
      border: none;
      padding: 0;
      margin: 0;
      cursor: pointer;
      border-radius: 12px;
      overflow: hidden;
      aspect-ratio: 4 / 3;
      background: var(--blue-50);
      position: relative;
      display: block;
    }
    .gallery-item img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }
    .gallery-item::after {
      content: '';
      position: absolute;
      inset: 0;
      background: rgba(30,58,138,0);
      transition: background 0.25s ease;
    }
    .gallery-item:hover img { transform: scale(1.06); }
    .gallery-item:hover::after { background: rgba(30,58,138,0.12); }
    .gallery-item:focus-visible { outline: 3px solid var(--blue-400); outline-offset: 2px; }

    /* ── 라이트박스 ── */
    .lightbox {
      position: fixed;
      inset: 0;
      z-index: 1000;
      background: rgba(8,15,35,0.92);
      display: none;
      align-items: center;
      justify-content: center;
      padding: 4vh 4vw;
      opacity: 0;
      transition: opacity 0.2s ease;
    }
    .lightbox.open { display: flex; opacity: 1; }
    .lightbox img {
      max-width: 100%;
      max-height: 86vh;
      border-radius: 8px;
      box-shadow: 0 20px 60px rgba(0,0,0,0.5);
      user-select: none;
    }
    .lightbox-btn {
      position: absolute;
      background: rgba(255,255,255,0.12);
      border: 1px solid rgba(255,255,255,0.25);
      color: #fff;
      width: 48px; height: 48px;
      border-radius: 50%;
      font-size: 22px;
      cursor: pointer;
      display: flex; align-items: center; justify-content: center;
      transition: background 0.2s;
    }
    .lightbox-btn:hover { background: rgba(255,255,255,0.25); }
    .lightbox-close { top: 20px; right: 20px; font-size: 26px; }
    .lightbox-prev { left: 18px; top: 50%; transform: translateY(-50%); }
    .lightbox-next { right: 18px; top: 50%; transform: translateY(-50%); }
    .lightbox-counter {
      position: absolute;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      color: rgba(255,255,255,0.8);
      font-size: 13px;
      letter-spacing: 1px;
    }

    @media (max-width: 640px) {
      .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 8px; }
      .lightbox-prev { left: 8px; }
      .lightbox-next { right: 8px; }
      .lightbox-btn { width: 42px; height: 42px; }
    }