:root{--navy: #13233F;--navy-700: #1c3357;--navy-50: #eef1f6;--orange: #F5931E;--orange-600: #e07f0a;--ink: #1a2230;--muted: #5a6b82;--line: #e6e9f0;--bg: #ffffff;--bg-soft: #f6f8fb;--radius: 14px;--shadow: 0 6px 24px rgba(19, 35, 63, .08);--shadow-lg: 0 18px 50px rgba(19, 35, 63, .14);--maxw: 1160px;--font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}.app{display:flex;flex-direction:column;min-height:100vh}.app-main{flex:1;padding-bottom:40px}.site-header{position:sticky;top:0;z-index:50;background:#ffffffeb;-webkit-backdrop-filter:saturate(1.4) blur(8px);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid 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