/* Giao diện chung cho công cụ nội bộ nền tối (/tinhlaishb): nền navy SHB có lưới 40px, chữ tiêu đề Space Grotesk. Gỡ: bỏ dòng <link>. */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&display=swap');
body{background-color:#0B1640!important;
 background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px),radial-gradient(900px 600px at 85% -10%,rgba(243,112,33,.16),transparent 70%),linear-gradient(180deg,#0E1D52 0%,#0A1230 100%)!important;
 background-size:40px 40px,40px 40px,auto,auto!important;background-attachment:fixed!important}
.font-heading,h1,h2,h3{font-family:'Space Grotesk','Segoe UI',system-ui,sans-serif!important}
header{border-bottom:3px solid transparent!important;border-image:linear-gradient(90deg,#F37021 0%,#FF9A3C 35%,#2B6FB8 100%) 1}