<!DOCTYPE html>
<html lang="hi">
<head>
<meta charset="UTF-8">
<title>Study GK GS - Centered Watermark</title>
<link href="https://fonts.googleapis.com/css2?family=Hind:wght@400;700&display=swap" rel="stylesheet">
<style>
:root { --panel-bg: #f8fafc; }
body { font-family: 'Hind', sans-serif; background: #1a1a1a; margin: 0; display: flex; flex-direction: column; align-items: center; }
.main-wrapper { width: 100%; max-width: 500px; padding: 10px; box-sizing: border-box; }