:root{--navy:#0d1947;--deep:#111f55;--blue:#2555ed;--light:#f4f7ff;--ink:#111b40;--muted:#66738f;--border:#dce4f5;--shadow:0 12px 40px rgba(12,32,91,.13)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--ink);background:linear-gradient(180deg,#15265c 0,#16245a 320px,#dce5f7 750px,#f5f7fc 100%);min-height:100vh}button,input,select{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.container{max-width:1510px;margin:auto;padding:0 18px}.nav{background:#0c1742;color:#fff;border-bottom:1px solid 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