:root {
      --color-primary: #1e3a8a;
      --color-secondary: #f59e0b;
      --color-text: #1f2937;
      --color-text-light: #6b7280;
      --color-background: #ffffff;
      --color-surface: #f8fafc;
      --color-border: #e2e8f0;
      --space-xs: 0.5rem;
      --space-sm: 1rem;
      --space-md: 1.5rem;
      --space-lg: 2rem;
      --space-xl: 3rem;
      --space-2xl: 4rem;
      --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
      --font-size-base: 1rem;
      --font-size-lg: 1.125rem;
      --font-size-xl: 1.25rem;
      --font-size-2xl: 1.5rem;
      --font-size-3xl: 2.5rem;
      --radius-sm: 0.375rem;
      --radius-md: 0.5rem;
      --radius-lg: 0.75rem;
      --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
      --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: var(--font-sans); color: var(--color-text); background: var(--color-background); line-height: 1.6; display: flex; flex-direction: column; min-height: 100vh; }
    a { color: var(--color-primary); text-decoration: none; transition: color 0.2s ease; }
    a:hover { color: #1d4ed8; }
    .container { max-width: 1280px; margin: 0 auto; padding: 0 var(--space-md); }
    .grid { display: grid; gap: var(--space-lg); grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
    .card { background: var(--color-surface); border-radius: var(--radius-lg); padding: var(--space-lg); box-shadow: var(--shadow-sm); transition: box-shadow 0.2s ease; border: 1px solid var(--color-border); }
    .card:hover { box-shadow: var(--shadow-md); }
    .btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.75rem 1.5rem; font-weight: 500; border-radius: var(--radius-md); transition: all 0.2s ease; box-shadow: var(--shadow-sm); border: none; cursor: pointer; }
    .btn-primary { background: var(--color-primary); color: white; }
    .btn-primary:hover { background: #172554; transform: translateY(-1px); box-shadow: var(--shadow-md); color: white; }
    .btn-secondary { background: var(--color-secondary); color: #78350f; }
    .btn-secondary:hover { background: #d97706; transform: translateY(-1px); box-shadow: var(--shadow-md); color: white; }
    .site-header { background: white; border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 50; }
    .header-inner { display: flex; justify-content: space-between; align-items: center; height: 80px; }
    .logo-box { width: 150px; height: 40px; background: var(--color-primary); color: white; display: flex; align-items: center; justify-content: center; font-weight: 700; border-radius: var(--radius-sm); font-size: 1.25rem; letter-spacing: 0.5px; }
    .dropdown { position: relative; }
    .dropdown > ul { display: none; position: absolute; top: 100%; left: 0; background: white; box-shadow: var(--shadow-md); min-width: 200px; z-index: 1000; margin-top: 0; padding-top: 0; border-radius: var(--radius-md); border: 1px solid var(--color-border); list-style: none; }
    .dropdown > ul li { display: block; }
    .dropdown > ul li a { padding: 0.75rem 1rem; display: block; color: var(--color-text); border-bottom: 1px solid var(--color-border); }
    .dropdown > ul li:last-child a { border-bottom: none; }
    .dropdown > ul li a:hover { background: var(--color-surface); color: var(--color-primary); }
    .dropdown > a { padding-bottom: 1rem; display: inline-block; }
    .dropdown:hover > ul, .dropdown:focus-within > ul { display: block; }
    nav > ul { display: flex; list-style: none; gap: 2rem; align-items: center; margin: 0; padding: 0; }
    nav > ul > li > a { font-weight: 500; color: var(--color-text); }
    nav > ul > li > a:hover { color: var(--color-primary); }
    .mobile-menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 0.5rem; }
    .mobile-menu-toggle span { width: 25px; height: 3px; background: var(--color-text); transition: 0.3s; border-radius: 2px; }
    @media (max-width: 1023px) {
      .mobile-menu-toggle { display: flex; }
      .main-nav { display: none; position: absolute; top: 80px; left: 0; width: 100%; background: white; padding: var(--space-md); border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-md); }
      .main-nav.is-open { display: block; }
      nav > ul { flex-direction: column; gap: 1rem; align-items: flex-start; }
      .dropdown > ul { position: static; box-shadow: none; border: none; padding-left: 1rem; margin-top: 0.5rem; display: none; }
      .dropdown:hover > ul { display: block; }
      .dropdown > a { padding-bottom: 0; }
    }
    .site-main { flex: 1; }
    .site-footer { background: #111827; color: white; padding: var(--space-xl) 0; margin-top: auto; }
    .site-footer a { color: #9ca3af; }
    .site-footer a:hover { color: white; }
    .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--space-lg); }
    .footer-grid h3 { margin-bottom: var(--space-sm); color: white; font-size: var(--font-size-lg); }

:root {
      --color-primary: #1e3a8a;
      --color-secondary: #f59e0b;
      --color-text: #1f2937;
      --color-text-light: #6b7280;
      --color-background: #ffffff;
      --color-surface: #f8fafc;
      --color-border: #e2e8f0;
      --space-xs: 0.5rem;
      --space-sm: 1rem;
      --space-md: 1.5rem;
      --space-lg: 2rem;
      --space-xl: 3rem;
      --space-2xl: 4rem;
      --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
      --font-size-base: 1rem;
      --font-size-lg: 1.125rem;
      --font-size-xl: 1.25rem;
      --font-size-2xl: 1.5rem;
      --font-size-3xl: 2.5rem;
      --radius-sm: 0.375rem;
      --radius-md: 0.5rem;
      --radius-lg: 0.75rem;
      --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
      --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: var(--font-sans); color: var(--color-text); background: var(--color-background); line-height: 1.6; display: flex; flex-direction: column; min-height: 100vh; }
    a { color: var(--color-primary); text-decoration: none; transition: color 0.2s ease; }
    a:hover { color: #1d4ed8; }
    .container { max-width: 1280px; margin: 0 auto; padding: 0 var(--space-md); }
    .grid { display: grid; gap: var(--space-lg); grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
    .card { background: var(--color-surface); border-radius: var(--radius-lg); padding: var(--space-lg); box-shadow: var(--shadow-sm); transition: box-shadow 0.2s ease; border: 1px solid var(--color-border); }
    .card:hover { box-shadow: var(--shadow-md); }
    .site-header { background: white; border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 50; }
    .header-inner { display: flex; justify-content: space-between; align-items: center; height: 80px; }
    .logo-box { width: 150px; height: 40px; background: var(--color-primary); color: white; display: flex; align-items: center; justify-content: center; font-weight: 700; border-radius: var(--radius-sm); font-size: 1.25rem; letter-spacing: 0.5px; }
    .dropdown { position: relative; }
    .dropdown > ul { display: none; position: absolute; top: 100%; left: 0; background: white; box-shadow: var(--shadow-md); min-width: 200px; z-index: 1000; margin-top: 0; padding-top: 0; border-radius: var(--radius-md); border: 1px solid var(--color-border); list-style: none; }
    .dropdown > ul li { display: block; }
    .dropdown > ul li a { padding: 0.75rem 1rem; display: block; color: var(--color-text); border-bottom: 1px solid var(--color-border); }
    .dropdown > ul li:last-child a { border-bottom: none; }
    .dropdown > ul li a:hover { background: var(--color-surface); color: var(--color-primary); }
    .dropdown > a { padding-bottom: 1rem; display: inline-block; }
    .dropdown:hover > ul, .dropdown:focus-within > ul { display: block; }
    nav > ul { display: flex; list-style: none; gap: 2rem; align-items: center; margin: 0; padding: 0; }
    nav > ul > li > a { font-weight: 500; color: var(--color-text); }
    nav > ul > li > a:hover { color: var(--color-primary); }
    .mobile-menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 0.5rem; }
    .mobile-menu-toggle span { width: 25px; height: 3px; background: var(--color-text); transition: 0.3s; border-radius: 2px; }
    @media (max-width: 1023px) {
      .mobile-menu-toggle { display: flex; }
      .main-nav { display: none; position: absolute; top: 80px; left: 0; width: 100%; background: white; padding: var(--space-md); border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-md); }
      .main-nav.is-open { display: block; }
      nav > ul { flex-direction: column; gap: 1rem; align-items: flex-start; }
      .dropdown > ul { position: static; box-shadow: none; border: none; padding-left: 1rem; margin-top: 0.5rem; display: none; }
      .dropdown:hover > ul { display: block; }
      .dropdown > a { padding-bottom: 0; }
    }
    .site-main { flex: 1; }
    .site-footer { background: #111827; color: white; padding: var(--space-xl) 0; margin-top: auto; }
    .site-footer a { color: #9ca3af; }
    .site-footer a:hover { color: white; }
    .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--space-lg); }
    .footer-grid h3 { margin-bottom: var(--space-sm); color: white; font-size: var(--font-size-lg); }
    .page-header { background: var(--color-surface); padding: var(--space-xl) 0; border-bottom: 1px solid var(--color-border); }
    .page-header h1 { font-size: var(--font-size-3xl); color: var(--color-primary); margin-bottom: var(--space-xs); }
    .page-header p { font-size: var(--font-size-xl); color: var(--color-text-light); max-width: 800px; }

:root {
      --color-primary: #1e3a8a;
      --color-secondary: #f59e0b;
      --color-text: #1f2937;
      --color-text-light: #6b7280;
      --color-background: #ffffff;
      --color-surface: #f8fafc;
      --color-border: #e2e8f0;
      --space-xs: 0.5rem;
      --space-sm: 1rem;
      --space-md: 1.5rem;
      --space-lg: 2rem;
      --space-xl: 3rem;
      --space-2xl: 4rem;
      --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
      --font-size-base: 1rem;
      --font-size-lg: 1.125rem;
      --font-size-xl: 1.25rem;
      --font-size-2xl: 1.5rem;
      --font-size-3xl: 2.5rem;
      --radius-sm: 0.375rem;
      --radius-md: 0.5rem;
      --radius-lg: 0.75rem;
      --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
      --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: var(--font-sans); color: var(--color-text); background: var(--color-background); line-height: 1.6; display: flex; flex-direction: column; min-height: 100vh; }
    a { color: var(--color-primary); text-decoration: none; transition: color 0.2s ease; }
    a:hover { color: #1d4ed8; }
    .container { max-width: 1280px; margin: 0 auto; padding: 0 var(--space-md); }
    .grid { display: grid; gap: var(--space-lg); grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
    .btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.75rem 1.5rem; font-weight: 500; border-radius: var(--radius-md); transition: all 0.2s ease; box-shadow: var(--shadow-sm); border: none; cursor: pointer; background: var(--color-surface); color: var(--color-text); border: 1px solid var(--color-border); }
    .btn:hover { background: var(--color-border); transform: translateY(-1px); box-shadow: var(--shadow-md); }
    .site-header { background: white; border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 50; }
    .header-inner { display: flex; justify-content: space-between; align-items: center; height: 80px; }
    .logo-box { width: 150px; height: 40px; background: var(--color-primary); color: white; display: flex; align-items: center; justify-content: center; font-weight: 700; border-radius: var(--radius-sm); font-size: 1.25rem; letter-spacing: 0.5px; }
    .dropdown { position: relative; }
    .dropdown > ul { display: none; position: absolute; top: 100%; left: 0; background: white; box-shadow: var(--shadow-md); min-width: 200px; z-index: 1000; margin-top: 0; padding-top: 0; border-radius: var(--radius-md); border: 1px solid var(--color-border); list-style: none; }
    .dropdown > ul li { display: block; }
    .dropdown > ul li a { padding: 0.75rem 1rem; display: block; color: var(--color-text); border-bottom: 1px solid var(--color-border); }
    .dropdown > ul li:last-child a { border-bottom: none; }
    .dropdown > ul li a:hover { background: var(--color-surface); color: var(--color-primary); }
    .dropdown > a { padding-bottom: 1rem; display: inline-block; }
    .dropdown:hover > ul, .dropdown:focus-within > ul { display: block; }
    nav > ul { display: flex; list-style: none; gap: 2rem; align-items: center; margin: 0; padding: 0; }
    nav > ul > li > a { font-weight: 500; color: var(--color-text); }
    nav > ul > li > a:hover { color: var(--color-primary); }
    .mobile-menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 0.5rem; }
    .mobile-menu-toggle span { width: 25px; height: 3px; background: var(--color-text); transition: 0.3s; border-radius: 2px; }
    @media (max-width: 1023px) {
      .mobile-menu-toggle { display: flex; }
      .main-nav { display: none; position: absolute; top: 80px; left: 0; width: 100%; background: white; padding: var(--space-md); border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-md); }
      .main-nav.is-open { display: block; }
      nav > ul { flex-direction: column; gap: 1rem; align-items: flex-start; }
      .dropdown > ul { position: static; box-shadow: none; border: none; padding-left: 1rem; margin-top: 0.5rem; display: none; }
      .dropdown:hover > ul { display: block; }
      .dropdown > a { padding-bottom: 0; }
    }
    .site-main { flex: 1; }
    .site-footer { background: #111827; color: white; padding: var(--space-xl) 0; margin-top: auto; }
    .site-footer a { color: #9ca3af; }
    .site-footer a:hover { color: white; }
    .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--space-lg); }
    .footer-grid h3 { margin-bottom: var(--space-sm); color: white; font-size: var(--font-size-lg); }
    .article-container { max-width: 800px; margin: 0 auto; padding: var(--space-xl) var(--space-md); }
    .article-header { margin-bottom: var(--space-lg); }
    .article-title { font-size: var(--font-size-3xl); color: var(--color-primary); margin-bottom: var(--space-xs); line-height: 1.2; }
    .article-meta { color: var(--color-text-light); font-size: 0.875rem; display: block; margin-bottom: var(--space-md); }
    .article-lead { font-size: var(--font-size-xl); font-weight: 500; color: var(--color-text); margin-bottom: var(--space-lg); border-left: 4px solid var(--color-secondary); padding-left: var(--space-sm); }
    .article-cover { width: 100%; height: auto; border-radius: var(--radius-lg); margin-bottom: var(--space-xl); box-shadow: var(--shadow-md); }
    .article-body h2 { margin: var(--space-xl) 0 var(--space-sm); color: var(--color-primary); }
    .article-body h3 { margin: var(--space-lg) 0 var(--space-sm); }
    .article-body p { margin-bottom: var(--space-md); }
    .article-body ul, .article-body ol { margin-bottom: var(--space-md); padding-left: var(--space-lg); }
    .article-nav { display: flex; justify-content: space-between; margin-top: var(--space-2xl); padding-top: var(--space-lg); border-top: 1px solid var(--color-border); }

:root {
      --color-primary: #1e3a8a;
      --color-secondary: #f59e0b;
      --color-text: #1f2937;
      --color-text-light: #6b7280;
      --color-background: #ffffff;
      --color-surface: #f8fafc;
      --color-border: #e2e8f0;
      --space-xs: 0.5rem;
      --space-sm: 1rem;
      --space-md: 1.5rem;
      --space-lg: 2rem;
      --space-xl: 3rem;
      --space-2xl: 4rem;
      --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
      --font-size-base: 1rem;
      --font-size-lg: 1.125rem;
      --font-size-xl: 1.25rem;
      --font-size-2xl: 1.5rem;
      --font-size-3xl: 2.5rem;
      --radius-sm: 0.375rem;
      --radius-md: 0.5rem;
      --radius-lg: 0.75rem;
      --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
      --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: var(--font-sans); color: var(--color-text); background: var(--color-background); line-height: 1.6; display: flex; flex-direction: column; min-height: 100vh; }
    a { color: var(--color-primary); text-decoration: none; transition: color 0.2s ease; }
    a:hover { color: #1d4ed8; }
    .container { max-width: 1280px; margin: 0 auto; padding: 0 var(--space-md); }
    .grid { display: grid; gap: var(--space-lg); grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
    .card { background: var(--color-surface); border-radius: var(--radius-lg); padding: var(--space-lg); box-shadow: var(--shadow-sm); transition: box-shadow 0.2s ease; border: 1px solid var(--color-border); display: flex; flex-direction: column; }
    .card:hover { box-shadow: var(--shadow-md); }
    .btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.75rem 1.5rem; font-weight: 500; border-radius: var(--radius-md); transition: all 0.2s ease; box-shadow: var(--shadow-sm); border: none; cursor: pointer; background: var(--color-surface); color: var(--color-text); border: 1px solid var(--color-border); }
    .btn:hover { background: var(--color-border); transform: translateY(-1px); box-shadow: var(--shadow-md); }
    .site-header { background: white; border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 50; }
    .header-inner { display: flex; justify-content: space-between; align-items: center; height: 80px; }
    .logo-box { width: 150px; height: 40px; background: var(--color-primary); color: white; display: flex; align-items: center; justify-content: center; font-weight: 700; border-radius: var(--radius-sm); font-size: 1.25rem; letter-spacing: 0.5px; }
    .dropdown { position: relative; }
    .dropdown > ul { display: none; position: absolute; top: 100%; left: 0; background: white; box-shadow: var(--shadow-md); min-width: 200px; z-index: 1000; margin-top: 0; padding-top: 0; border-radius: var(--radius-md); border: 1px solid var(--color-border); list-style: none; }
    .dropdown > ul li { display: block; }
    .dropdown > ul li a { padding: 0.75rem 1rem; display: block; color: var(--color-text); border-bottom: 1px solid var(--color-border); }
    .dropdown > ul li:last-child a { border-bottom: none; }
    .dropdown > ul li a:hover { background: var(--color-surface); color: var(--color-primary); }
    .dropdown > a { padding-bottom: 1rem; display: inline-block; }
    .dropdown:hover > ul, .dropdown:focus-within > ul { display: block; }
    nav > ul { display: flex; list-style: none; gap: 2rem; align-items: center; margin: 0; padding: 0; }
    nav > ul > li > a { font-weight: 500; color: var(--color-text); }
    nav > ul > li > a:hover { color: var(--color-primary); }
    .mobile-menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 0.5rem; }
    .mobile-menu-toggle span { width: 25px; height: 3px; background: var(--color-text); transition: 0.3s; border-radius: 2px; }
    @media (max-width: 1023px) {
      .mobile-menu-toggle { display: flex; }
      .main-nav { display: none; position: absolute; top: 80px; left: 0; width: 100%; background: white; padding: var(--space-md); border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-md); }
      .main-nav.is-open { display: block; }
      nav > ul { flex-direction: column; gap: 1rem; align-items: flex-start; }
      .dropdown > ul { position: static; box-shadow: none; border: none; padding-left: 1rem; margin-top: 0.5rem; display: none; }
      .dropdown:hover > ul { display: block; }
      .dropdown > a { padding-bottom: 0; }
    }
    .site-main { flex: 1; }
    .site-footer { background: #111827; color: white; padding: var(--space-xl) 0; margin-top: auto; }
    .site-footer a { color: #9ca3af; }
    .site-footer a:hover { color: white; }
    .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--space-lg); }
    .footer-grid h3 { margin-bottom: var(--space-sm); color: white; font-size: var(--font-size-lg); }
    .page-header { background: var(--color-surface); padding: var(--space-xl) 0; border-bottom: 1px solid var(--color-border); margin-bottom: var(--space-xl); }
    .page-header h1 { font-size: var(--font-size-3xl); color: var(--color-primary); margin-bottom: var(--space-xs); }
    .news-card { padding: 0; overflow: hidden; }
    .news-card-img { width: 100%; height: 200px; object-fit: cover; display: block; }
    .news-card-content { padding: var(--space-lg); display: flex; flex-direction: column; flex: 1; }
    .news-card-title { font-size: var(--font-size-xl); margin-bottom: var(--space-xs); line-height: 1.3; }
    .news-card-meta { color: var(--color-text-light); font-size: 0.875rem; margin-bottom: var(--space-sm); display: block; }
    .news-card-excerpt { margin-bottom: var(--space-md); flex: 1; }

:root {
      --color-primary: #1e3a8a;
      --color-secondary: #f59e0b;
      --color-text: #1f2937;
      --color-text-light: #6b7280;
      --color-background: #ffffff;
      --color-surface: #f8fafc;
      --color-border: #e2e8f0;
      --space-xs: 0.5rem;
      --space-sm: 1rem;
      --space-md: 1.5rem;
      --space-lg: 2rem;
      --space-xl: 3rem;
      --space-2xl: 4rem;
      --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
      --font-size-base: 1rem;
      --font-size-lg: 1.125rem;
      --font-size-xl: 1.25rem;
      --font-size-2xl: 1.5rem;
      --font-size-3xl: 2.5rem;
      --radius-sm: 0.375rem;
      --radius-md: 0.5rem;
      --radius-lg: 0.75rem;
      --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
      --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: var(--font-sans); color: var(--color-text); background: var(--color-background); line-height: 1.6; display: flex; flex-direction: column; min-height: 100vh; }
    a { color: var(--color-primary); text-decoration: none; transition: color 0.2s ease; }
    a:hover { color: #1d4ed8; }
    .container { max-width: 1280px; margin: 0 auto; padding: 0 var(--space-md); }
    .grid { display: grid; gap: var(--space-lg); grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
    .card { background: var(--color-surface); border-radius: var(--radius-lg); padding: var(--space-lg); box-shadow: var(--shadow-sm); transition: box-shadow 0.2s ease; border: 1px solid var(--color-border); }
    .card:hover { box-shadow: var(--shadow-md); }
    .btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.75rem 1.5rem; font-weight: 500; border-radius: var(--radius-md); transition: all 0.2s ease; box-shadow: var(--shadow-sm); border: none; cursor: pointer; }
    .btn-primary { background: var(--color-primary); color: white; }
    .btn-primary:hover { background: #172554; transform: translateY(-1px); box-shadow: var(--shadow-md); color: white; }
    .site-header { background: white; border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 50; }
    .header-inner { display: flex; justify-content: space-between; align-items: center; height: 80px; }
    .logo-box { width: 150px; height: 40px; background: var(--color-primary); color: white; display: flex; align-items: center; justify-content: center; font-weight: 700; border-radius: var(--radius-sm); font-size: 1.25rem; letter-spacing: 0.5px; }
    .dropdown { position: relative; }
    .dropdown > ul { display: none; position: absolute; top: 100%; left: 0; background: white; box-shadow: var(--shadow-md); min-width: 200px; z-index: 1000; margin-top: 0; padding-top: 0; border-radius: var(--radius-md); border: 1px solid var(--color-border); list-style: none; }
    .dropdown > ul li { display: block; }
    .dropdown > ul li a { padding: 0.75rem 1rem; display: block; color: var(--color-text); border-bottom: 1px solid var(--color-border); }
    .dropdown > ul li:last-child a { border-bottom: none; }
    .dropdown > ul li a:hover { background: var(--color-surface); color: var(--color-primary); }
    .dropdown > a { padding-bottom: 1rem; display: inline-block; }
    .dropdown:hover > ul, .dropdown:focus-within > ul { display: block; }
    nav > ul { display: flex; list-style: none; gap: 2rem; align-items: center; margin: 0; padding: 0; }
    nav > ul > li > a { font-weight: 500; color: var(--color-text); }
    nav > ul > li > a:hover { color: var(--color-primary); }
    .mobile-menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 0.5rem; }
    .mobile-menu-toggle span { width: 25px; height: 3px; background: var(--color-text); transition: 0.3s; border-radius: 2px; }
    @media (max-width: 1023px) {
      .mobile-menu-toggle { display: flex; }
      .main-nav { display: none; position: absolute; top: 80px; left: 0; width: 100%; background: white; padding: var(--space-md); border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-md); }
      .main-nav.is-open { display: block; }
      nav > ul { flex-direction: column; gap: 1rem; align-items: flex-start; }
      .dropdown > ul { position: static; box-shadow: none; border: none; padding-left: 1rem; margin-top: 0.5rem; display: none; }
      .dropdown:hover > ul { display: block; }
      .dropdown > a { padding-bottom: 0; }
    }
    .site-main { flex: 1; }
    .site-footer { background: #111827; color: white; padding: var(--space-xl) 0; margin-top: auto; }
    .site-footer a { color: #9ca3af; }
    .site-footer a:hover { color: white; }
    .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--space-lg); }
    .footer-grid h3 { margin-bottom: var(--space-sm); color: white; font-size: var(--font-size-lg); }
    .page-header { background: var(--color-surface); padding: var(--space-xl) 0; border-bottom: 1px solid var(--color-border); margin-bottom: var(--space-xl); }
    .page-header h1 { font-size: var(--font-size-3xl); color: var(--color-primary); margin-bottom: var(--space-xs); }
    .form-group { margin-bottom: var(--space-md); }
    .form-group label { display: block; margin-bottom: 0.5rem; font-weight: 500; color: var(--color-text); }
    .form-control { width: 100%; padding: 0.75rem 1rem; border: 1px solid var(--color-border); border-radius: var(--radius-md); font-family: inherit; font-size: 1rem; background: white; transition: border-color 0.2s ease, box-shadow 0.2s ease; }
    .form-control:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1); }
    .hidden { display: none !important; }
    .contact-grid { display: grid; grid-template-columns: 1fr 2fr; gap: var(--space-xl); }
    @media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } }
    .contact-info-item { margin-bottom: var(--space-lg); }
    .contact-info-item h3 { font-size: var(--font-size-lg); margin-bottom: 0.25rem; color: var(--color-primary); }

:root {
      --color-primary: #1e3a8a;
      --color-secondary: #f59e0b;
      --color-text: #1f2937;
      --color-text-light: #6b7280;
      --color-background: #ffffff;
      --color-surface: #f8fafc;
      --color-border: #e2e8f0;
      --space-xs: 0.5rem;
      --space-sm: 1rem;
      --space-md: 1.5rem;
      --space-lg: 2rem;
      --space-xl: 3rem;
      --space-2xl: 4rem;
      --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
      --font-size-base: 1rem;
      --font-size-lg: 1.125rem;
      --font-size-xl: 1.25rem;
      --font-size-2xl: 1.5rem;
      --font-size-3xl: 2.5rem;
      --radius-sm: 0.375rem;
      --radius-md: 0.5rem;
      --radius-lg: 0.75rem;
      --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
      --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: var(--font-sans); color: var(--color-text); background: var(--color-background); line-height: 1.6; display: flex; flex-direction: column; min-height: 100vh; }
    a { color: var(--color-primary); text-decoration: none; transition: color 0.2s ease; }
    a:hover { color: #1d4ed8; }
    .container { max-width: 1280px; margin: 0 auto; padding: 0 var(--space-md); }
    .grid { display: grid; gap: var(--space-lg); grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
    .card { background: var(--color-surface); border-radius: var(--radius-lg); padding: var(--space-lg); box-shadow: var(--shadow-sm); transition: box-shadow 0.2s ease; border: 1px solid var(--color-border); }
    .card:hover { box-shadow: var(--shadow-md); }
    .btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.75rem 1.5rem; font-weight: 500; border-radius: var(--radius-md); transition: all 0.2s ease; box-shadow: var(--shadow-sm); border: none; cursor: pointer; }
    .btn-primary { background: var(--color-primary); color: white; }
    .btn-primary:hover { background: #172554; transform: translateY(-1px); box-shadow: var(--shadow-md); color: white; }
    .site-header { background: white; border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 50; }
    .header-inner { display: flex; justify-content: space-between; align-items: center; height: 80px; }
    .logo-box { width: 150px; height: 40px; background: var(--color-primary); color: white; display: flex; align-items: center; justify-content: center; font-weight: 700; border-radius: var(--radius-sm); font-size: 1.25rem; letter-spacing: 0.5px; }
    .dropdown { position: relative; }
    .dropdown > ul { display: none; position: absolute; top: 100%; left: 0; background: white; box-shadow: var(--shadow-md); min-width: 200px; z-index: 1000; margin-top: 0; padding-top: 0; border-radius: var(--radius-md); border: 1px solid var(--color-border); list-style: none; }
    .dropdown > ul li { display: block; }
    .dropdown > ul li a { padding: 0.75rem 1rem; display: block; color: var(--color-text); border-bottom: 1px solid var(--color-border); }
    .dropdown > ul li:last-child a { border-bottom: none; }
    .dropdown > ul li a:hover { background: var(--color-surface); color: var(--color-primary); }
    .dropdown > a { padding-bottom: 1rem; display: inline-block; }
    .dropdown:hover > ul, .dropdown:focus-within > ul { display: block; }
    nav > ul { display: flex; list-style: none; gap: 2rem; align-items: center; margin: 0; padding: 0; }
    nav > ul > li > a { font-weight: 500; color: var(--color-text); }
    nav > ul > li > a:hover { color: var(--color-primary); }
    .mobile-menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 0.5rem; }
    .mobile-menu-toggle span { width: 25px; height: 3px; background: var(--color-text); transition: 0.3s; border-radius: 2px; }
    @media (max-width: 1023px) {
      .mobile-menu-toggle { display: flex; }
      .main-nav { display: none; position: absolute; top: 80px; left: 0; width: 100%; background: white; padding: var(--space-md); border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-md); }
      .main-nav.is-open { display: block; }
      nav > ul { flex-direction: column; gap: 1rem; align-items: flex-start; }
      .dropdown > ul { position: static; box-shadow: none; border: none; padding-left: 1rem; margin-top: 0.5rem; display: none; }
      .dropdown:hover > ul { display: block; }
      .dropdown > a { padding-bottom: 0; }
    }
    .site-main { flex: 1; }
    .site-footer { background: #111827; color: white; padding: var(--space-xl) 0; margin-top: auto; }
    .site-footer a { color: #9ca3af; }
    .site-footer a:hover { color: white; }
    .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--space-lg); }
    .footer-grid h3 { margin-bottom: var(--space-sm); color: white; font-size: var(--font-size-lg); }
    .page-header { background: var(--color-surface); padding: var(--space-xl) 0; border-bottom: 1px solid var(--color-border); margin-bottom: var(--space-xl); }
    .page-header h1 { font-size: var(--font-size-3xl); color: var(--color-primary); margin-bottom: var(--space-xs); }
    .search-form { display: flex; gap: var(--space-sm); max-width: 600px; margin-bottom: var(--space-xl); }
    .form-control { flex: 1; padding: 0.75rem 1rem; border: 1px solid var(--color-border); border-radius: var(--radius-md); font-family: inherit; font-size: 1rem; }
    .form-control:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1); }
    .search-result-item { margin-bottom: var(--space-md); }
    .search-result-item h3 { font-size: var(--font-size-xl); margin-bottom: var(--space-xs); }
    .search-result-item p { color: var(--color-text-light); }