:root {
      --header-z-max: 2147483647;
      --mobile-menu-top: 64px;
    }

    .common-header,
    .common-header .header-links a,
    .common-header #sproutsCount,
    .common-header .nav-trigger,
    .common-header .user-menu__item,
    .mobile-menu a,
    .mobile-services__link,
    .mobile-services__link--secondary {
      font-family: var(--font-family-sans, 'Pretendard Variable', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif) !important;
      font-weight: var(--font-weight-bold);
      font-synthesis: auto;
    }

    .common-header {
      position: relative;
      width: 100%;
      background: #fff;
      box-shadow: 0 2px 4px rgba(0, 0, 0, .1);
      z-index: var(--header-z-max);
    }

    .header-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: .35rem 1.2rem;
      position: relative;
    }

    .header-actions {
      display: inline-flex;
      align-items: center;
      gap: 0.75rem;
    }

    .header-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 9999px;
      border: none;
      background: rgba(99, 102, 241, 0.1);
      color: #1f2a60;
      cursor: pointer;
      transition: background 0.2s ease, transform 0.2s ease;
    }

    .header-icon .material-icons,
    .header-icon i {
      font-size: 1.35rem;
      line-height: 1;
    }

    .header-icon:hover,
    .header-icon:focus-visible {
      background: rgba(79, 70, 229, 0.18);
      transform: translateY(-1px);
      outline: none;
    }

    /* 로고와 메뉴 링크를 감싸는 컨테이너 */
    .header-content>div:first-child {
      display: flex;
      align-items: center;
      gap: 3rem;
      transition: gap 0.2s ease-in-out;
    }


    .header-links {
      display: flex;
      gap: 1rem;
      align-items: center;
    }

    .header-links a {
      text-decoration: none;
      color: #1F2937;
      font-size: 11pt;
      font-weight: bold;
      transition: color .3s ease-in-out;
      white-space: nowrap;
    }

    .header-links a:hover {
      color: #1E40AF;
      font-weight: bold;
    }

    /* ========================================= */
    /* ✨ 로그인 후 표시 요소 스타일 추가 ✨ */
    /* ========================================= */
    #sproutsCount {
      font-size: 11pt;
      white-space: nowrap;
      transition: font-size 0.2s ease-in-out;
    }

    /* ============================================= */
    /* ✨ 화면 크기에 따른 동적 스타일 조정 (최종) ✨ */
    /* ============================================= */
    /* 화면 너비가 1024px 이하일 때 */
    @media (max-width: 1024px) {

      /* 로고와 메뉴 간격 1차 감소 */
      .header-content>div:first-child {
        gap: 2.25rem;
      }

      .header-links {
        gap: 0.85rem;
      }

      #sproutsContainer {
        gap: 0.45rem;
      }

      .user-menu__item .sprouts-icon {
        width: 1.1rem;
        height: 1.1rem;
      }

    }

    /* 화면 너비가 850px 이하일 때 (햄버거 메뉴 전환 직전) */
    @media (max-width: 850px) {

      /* 로고와 메뉴 간격 2차 감소 */
      .header-content>div:first-child {
        gap: 1.2rem;
      }

      .header-links {
        gap: 0.6rem;
      }

      #sproutsContainer {
        gap: 0.4rem;
      }

      .user-menu__item .sprouts-icon {
        width: 1.05rem;
        height: 1.05rem;
      }

    }


    /* ========================================= */
    /* 모바일 메뉴(햄버거) 디자인 */
    /* ========================================= */
    .mobile-menu {
      display: none;
      position: fixed;
      top: var(--mobile-menu-top, 64px);
      left: 0;
      right: 0;
      bottom: 0;
      background-color: #ffffff;
      box-shadow: 0 22px 48px -28px rgba(15, 23, 42, 0.4);
      border-top: 1px solid rgba(226, 232, 240, 0.75);
      flex-direction: column;
      gap: 0.25rem;
      padding: 0.5rem 0 2.5rem;
      overflow-y: auto;
      -webkit-overflow-scrolling: touch;
      overscroll-behavior: contain;
      z-index: calc(var(--header-z-max, 2147483647) + 2);
    }

    .mobile-menu.active {
      display: flex;
    }

    .mobile-menu__header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0.5rem 1.5rem 0.75rem;
      border-bottom: 1px solid rgba(226, 232, 240, 0.75);
    }

    .mobile-menu__title {
      margin: 0;
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
    }

    .mobile-menu__close {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      border-radius: 9999px;
      border: none;
      background: rgba(99, 102, 241, 0.1);
      color: #1f2a60;
      cursor: pointer;
      transition: background 0.2s ease, transform 0.2s ease;
    }

    .mobile-menu__close:hover,
    .mobile-menu__close:focus-visible {
      background: rgba(79, 70, 229, 0.2);
      transform: translateY(-1px);
      outline: none;
    }

    .mobile-menu__body {
      display: flex;
      flex-direction: column;
      gap: 0.25rem;
      padding: 0.25rem 0 0;
    }

    .mobile-menu a {
      width: 100%;
      padding: 1rem 1.5rem;
      text-align: left;
      border-bottom: 1px solid #f3f4f6;
      color: #1F2937;
      font-size: 11pt;
      box-sizing: border-box;
    }

    .mobile-menu__body> :last-child {
      border-bottom: none;
    }

    /* ========================================= */
    /* 공통 푸터 스타일 */
    /* ========================================= */
    .common-footer {
      background: #ffffff;
      color: #111827;
      margin-top: 0;
      padding: 1.75rem 1.5rem;
      border-top: 1px solid rgba(148, 163, 184, 0.25);
      flex: 0 0 auto;
    }

    .footer-inner {
      max-width: 1080px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }

    .footer-top {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 1.75rem;
      flex-wrap: wrap;
    }

    .footer-brand {
      flex: 1 1 240px;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
      max-width: 280px;
    }

    .footer-logo {
      font-size: 1.5rem;
      font-weight: 800;
      letter-spacing: 0.08em;
      color: #111827;
      text-decoration: none;
    }

    .footer-description {
      font-size: 0.9rem;
      line-height: 1.5;
      color: #1f2937;
      margin: 0;
    }

    .footer-contact {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.9rem;
      color: #1f2937;
    }

    .footer-contact-label {
      font-weight: 600;
    }

    .footer-contact-link {
      color: #2563eb;
      font-weight: 600;
      text-decoration: none;
      transition: color 0.2s ease;
    }

    .footer-contact-link:hover {
      color: #1d4ed8;
    }

    .footer-nav {
      flex: 2 1 360px;
      display: flex;
      gap: 1.5rem;
      flex-wrap: wrap;
    }

    .footer-section {
      min-width: 160px;
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
    }

    .footer-heading {
      font-size: 0.95rem;
      font-weight: 700;
      letter-spacing: 0.03em;
      color: #111827;
      margin: 0;
    }

    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      gap: 0.4rem;
    }

    .footer-links a {
      color: #1f2937;
      text-decoration: none;
      font-weight: 500;
      font-size: 0.9rem;
      transition: color 0.2s ease;
    }

    .footer-links a:hover {
      color: #2563eb;
    }

    .footer-address {
      font-style: normal;
      color: #4b5563;
      line-height: 1.5;
      margin: 0;
      font-size: 0.9rem;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      flex-wrap: wrap;
      padding-top: 0.75rem;
      border-top: 1px solid rgba(148, 163, 184, 0.25);
      font-size: 0.85rem;
      color: #4b5563;
    }

    .footer-copy {
      margin: 0;
    }

    .footer-policy {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
    }

    .footer-policy a {
      color: #1f2937;
      text-decoration: none;
      transition: color 0.2s ease;
    }

    .footer-policy a:hover {
      color: #2563eb;
    }

    @media (max-width: 960px) {
      .footer-top {
        gap: 1.25rem;
      }

      .footer-nav {
        gap: 1.25rem;
      }
    }

    @media (max-width: 640px) {
      .common-footer {
        padding: 1.5rem 1.25rem;
      }

      .footer-top {
        flex-direction: column;
        gap: 1.5rem;
      }

      .footer-nav {
        width: 100%;
      }

      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
      }
    }

    .mobile-menu a:hover {
      background-color: #f9fafb;
      color: #1E40AF;
    }

    body {
      padding-top: 0;
    }

    body.mobile-menu-open {
      overflow: hidden;
    }

    /* ==== Compact Header Overrides (add at the end) ==== */
    .common-header .header-content {
      padding: .3rem 1rem;
    }

    .common-header .header-content>div:first-child {
      gap: 2.5rem;
    }

    .common-header .header-links {
      gap: 0.85rem;
    }

    .common-header .header-links a {
      font-size: 11pt;
    }

    /* 로고/카운트/버튼도 약간 축소 */
    .common-header #sproutsCount {
      font-size: 11pt;
    }

    /* 헤더 구분선도 살짝 얇게 */
    .common-header .header-divider {
      height: 2px;
    }

    /* 반응형(중단점)에서도 한 단계 더 조정 */
    @media (max-width: 1024px) {
      .common-header .header-content {
        padding: .35rem 1rem;
      }

      .common-header .header-content>div:first-child {
        gap: 1.6rem;
      }

      .common-header .header-links {
        gap: .65rem;
      }

      #sproutsContainer {
        gap: 0.4rem;
      }

      .user-menu__item .sprouts-icon {
        width: 1.05rem;
        height: 1.05rem;
      }

    }

    @media (max-width: 850px) {
      .common-header .header-content {
        padding: .3rem .85rem;
      }

      .common-header .header-content>div:first-child {
        gap: 0.8rem;
      }

      /* 기존 1.5rem → 1rem */
      .common-header .header-links {
        gap: .6rem;
      }

      /* 기존 0.75rem → 0.6rem */
      #sproutsContainer {
        gap: 0.35rem;
      }

      .user-menu__item .sprouts-icon {
        width: 1rem;
        height: 1rem;
      }

    }

    @media (max-width: 640px) {
      .header-content {
        padding: 0.5rem 0.85rem;
      }

      .common-header .header-content>div:first-child {
        gap: 0.6rem;
      }

      .header-actions {
        gap: 0.5rem;
      }

      .header-icon {
        width: 36px;
        height: 36px;
        font-size: 1.25rem;
      }

      .user-menu__trigger {
        width: 34px;
        height: 34px;
        font-size: 1.2rem;
      }

      #mobileMenuButton .fas,
      #mobileMenuButton i {
        font-size: 1.4rem;
      }

      .mobile-menu {
        padding: 0.35rem 0 2rem;
      }

      .mobile-menu__header {
        padding: 0.35rem 1.25rem 0.65rem;
      }

      .mobile-menu__title {
        font-size: 1rem;
      }

      .mobile-services__heading {
        margin: 0 1.5rem 0.35rem;
      }

      .mobile-services__link,
      .mobile-services__link--secondary {
        padding: 0.85rem 1.5rem;
      }
    }

    #mobileMenuButton i {
      font-family: "Font Awesome 6 Free", "Font Awesome 5 Free" !important;
      font-weight: 900;
    }

    .footer-contact {
      display: flex;
      align-items: center;
      gap: 0.25rem;
    }

    /* ======= Enhanced Navigation & User Menu ======= */
    .nav-dropdown {
      position: relative;
    }

    .nav-dropdown::after {
      content: '';
      position: absolute;
      left: -0.6rem;
      top: 100%;
      width: calc(100% + 1.2rem);
      height: 1.2rem;
      pointer-events: none;
    }

    .nav-dropdown:hover::after,
    .nav-dropdown[data-open="true"]::after {
      pointer-events: auto;
    }

    .nav-trigger {
      display: inline-flex;
      align-items: center;
      gap: 0.3rem;
      font-size: 11pt;
      font-weight: 600;
      color: #374151;
      border: none;
      background: transparent;
      cursor: pointer;
      padding: 0.3rem 0.65rem;
      border-radius: 12px;
      transition: color 0.2s ease, background 0.2s ease;
    }

    .nav-trigger:hover,
    .nav-trigger:focus-visible,
    .nav-dropdown[data-open="true"] .nav-trigger {
      color: var(--accent, #4f46e5);
      background: rgba(99, 102, 241, 0.12);
      outline: none;
    }

    .nav-dropdown-panel {
      position: absolute;
      top: calc(100% + 0.3rem);
      left: 0;
      display: flex;
      flex-direction: column;
      gap: 0.4rem;
      padding: 1rem;
      min-width: 220px;
      border-radius: 18px;
      background: #fff;
      box-shadow: 0 24px 48px -32px rgba(15, 23, 42, 0.35);
      border: 1px solid rgba(226, 232, 240, 0.65);
      z-index: var(--header-z-max);
      opacity: 0;
      visibility: hidden;
      transform: translateY(12px);
      pointer-events: none;
      transition: opacity 0.2s ease, transform 0.2s ease;
      --dropdown-step-delay: 60ms;
    }

    .nav-dropdown:hover .nav-dropdown-panel,
    .nav-dropdown[data-open="true"] .nav-dropdown-panel {
      visibility: visible;
      opacity: 1;
      transform: translateY(0);
      pointer-events: auto;
    }

    .nav-dropdown-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 0.75rem;
      font-size: 11pt;
      font-weight: 500;
      color: #1f2937;
      padding: 0.45rem 0.6rem;
      border-radius: 10px;
      opacity: 0;
      transform: translateY(8px);
      transition: background 0.18s ease, color 0.18s ease, opacity 0.2s ease, transform 0.2s ease;
      transition-delay: 0s;
    }

    .nav-dropdown[data-open="true"] .nav-dropdown-link,
    .nav-dropdown:hover .nav-dropdown-link {
      opacity: 1;
      transform: translateY(0);
      transition-delay: calc(var(--item-index, 0) * var(--dropdown-step-delay, 60ms));
    }

    .nav-dropdown-link:hover,
    .nav-dropdown-link:focus-visible {
      background: rgba(99, 102, 241, 0.1);
      color: var(--accent, #4f46e5);
      outline: none;
    }

    .nav-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 10pt;
      font-weight: 700;
      padding: 0.1rem 0.45rem;
      border-radius: 999px;
      background: #ef4444;
      color: #fff;
      line-height: 1;
    }

    .nav-subgroup {
      position: relative;
    }

    .nav-dropdown-link--has-children {
      justify-content: space-between;
    }

    .nav-subpanel {
      position: absolute;
      top: 0;
      left: calc(100% + 0.75rem);
      display: flex;
      flex-direction: column;
      gap: 0.35rem;
      padding: 0.8rem;
      min-width: 180px;
      border-radius: 14px;
      background: #fff;
      box-shadow: 0 20px 40px -28px rgba(15, 23, 42, 0.3);
      border: 1px solid rgba(226, 232, 240, 0.6);
      z-index: var(--header-z-max);
      opacity: 0;
      visibility: hidden;
      transform: translateX(12px);
      pointer-events: none;
      transition: opacity 0.2s ease, transform 0.2s ease;
      --submenu-step-delay: 60ms;
    }

    .nav-subgroup:hover .nav-subpanel,
    .nav-subgroup:focus-within .nav-subpanel {
      visibility: visible;
      opacity: 1;
      transform: translateX(0);
      pointer-events: auto;
    }

    .nav-subaction {
      border: none;
      background: none;
      text-align: left;
      font-size: 11pt;
      font-weight: 500;
      color: #334155;
      padding: 0.45rem 0.5rem;
      border-radius: 10px;
      cursor: pointer;
      opacity: 0;
      transform: translateX(8px);
      transition: background 0.18s ease, color 0.18s ease, opacity 0.2s ease, transform 0.2s ease;
      transition-delay: 0s;
    }

    .nav-subgroup:hover .nav-subaction,
    .nav-subgroup:focus-within .nav-subaction {
      opacity: 1;
      transform: translateX(0);
      transition-delay: calc(var(--submenu-index, 0) * var(--submenu-step-delay, 60ms));
    }

    .nav-subaction:hover,
    .nav-subaction:focus-visible {
      background: rgba(99, 102, 241, 0.08);
      color: var(--accent, #4f46e5);
      outline: none;
    }

    .header-actions {
      align-items: center;
      gap: 0.6rem;
    }

    .header-icon {
      border: none;
      background: rgba(241, 245, 249, 0.95);
      color: #4f46e5;
      width: 34px;
      height: 34px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: background 0.18s ease, transform 0.18s ease;
    }

    .header-icon:hover,
    .header-icon:focus-visible {
      background: rgba(99, 102, 241, 0.14);
      transform: translateY(-1px);
      outline: none;
    }

    .user-menu {
      position: relative;
      --user-menu-hover-gap: 0.75rem;
      --user-menu-panel-width: min(250px, calc(100vw - 2.5rem));
    }

    .user-menu::after {
      content: '';
      position: absolute;
      top: 100%;
      right: 0;
      width: var(--user-menu-panel-width);
      height: calc(var(--user-menu-hover-gap) + 0.5rem);
    }

    .user-menu__trigger {
      border: none;
      background: rgba(30, 64, 175, 0.1);
      color: #1f2a60;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      cursor: pointer;
      transition: background 0.18s ease, transform 0.18s ease;
    }

    .user-menu__trigger:hover,
    .user-menu__trigger:focus-visible,
    .user-menu.is-open .user-menu__trigger {
      background: rgba(99, 102, 241, 0.18);
      transform: translateY(-1px);
      outline: none;
    }

    .user-menu__panel {
      position: absolute;
      top: calc(100% + var(--user-menu-hover-gap));
      right: 0;
      display: none;
      flex-direction: column;
      gap: 0.25rem;
      width: var(--user-menu-panel-width);
      min-width: var(--user-menu-panel-width);
      padding: 0.75rem 0.4rem;
      border-radius: 16px;
      background: #fff;
      box-shadow: 0 26px 48px -28px rgba(15, 23, 42, 0.4);
      border: 1px solid rgba(226, 232, 240, 0.65);
      z-index: var(--header-z-max);
    }

    .user-menu.is-open .user-menu__panel,
    .user-menu:hover .user-menu__panel {
      display: flex;
    }

    .user-menu__item {
      display: flex;
      align-items: center;
      gap: 0.65rem;
      padding: 0.5rem 0.75rem;
      border-radius: 10px;
      font-size: 11pt;
      color: #1f2937;
      text-decoration: none;
      transition: background 0.18s ease, color 0.18s ease;
    }

    .user-menu__item:hover,
    .user-menu__item:focus-visible {
      background: rgba(99, 102, 241, 0.1);
      color: var(--accent, #4f46e5);
      outline: none;
    }

    .user-menu__item span.material-icons {
      font-size: 1.15rem;
    }

    #sproutsContainer {
      gap: 0.55rem;
      font-weight: 700;
      color: #0f172a;
      font-size: 11pt;
    }

    .user-menu__item .sprouts-icon {
      width: 1.25rem;
      height: 1.25rem;
      object-fit: contain;
      flex-shrink: 0;
      border-radius: 6px;
      box-shadow: 0 0 0 1px rgba(15, 118, 110, 0.1);
    }

    .user-menu__item.hidden {
      display: none;
    }

    .mobile-services {
      display: flex;
      flex-direction: column;
      gap: 0.4rem;
      padding: 0.75rem 0;
    }

    .mobile-menu__body .mobile-services:last-of-type {
      border-bottom: 1px solid #f3f4f6;
    }

    .mobile-services__heading {
      font-size: 11pt;
      font-weight: 600;
      color: #475569;
      margin: 0 2rem 0.35rem;
    }

    .mobile-services__link,
    .mobile-services__link--secondary {
      display: block;
      padding: 0.85rem 2rem;
      font-size: 11pt;
      color: #1f2937;
      text-align: left;
    }

    .mobile-services__link--secondary {
      border: none;
      background: none;
      width: 100%;
      text-align: left;
      color: #4f46e5;
      cursor: pointer;
    }

    .mobile-services__link--secondary:hover,
    .mobile-services__link--secondary:focus-visible {
      text-decoration: underline;
    }

    .footer-disclaimer {
      margin-top: 8px;
      font-size: 0.75rem;
      color: #9ca3af;
      opacity: 0.7;
      text-align: center;
      line-height: 1.4;
    }

    /* 모바일에서는 더 작게 표시 */
    @media (max-width: 640px) {
      .footer-disclaimer {
        font-size: 0.7rem;
        margin-top: 6px;
      }
    }

    /* 다크모드 지원 */
    .dark .footer-disclaimer {
      color: #6b7280;
    }