:root{--purple:#6d28d9;--deep:#24152e;--muted:#6f6476;--surface:#faf8fc;--line:#e6ddec}*{box-sizing:border-box}body{margin:0;color:var(--deep);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#fff}header{background:linear-gradient(135deg,#321347,#6d28d9);color:#fff;padding:3rem 1.25rem}header div,main,footer{max-width:880px;margin:auto}header h1{margin:0 0 .35rem;font-size:clamp(2rem,6vw,3.4rem)}header p{margin:0;color:#eadffd}nav{display:flex;gap:.7rem;flex-wrap:wrap;margin-top:1.3rem}nav a{color:#fff;text-decoration:none;border:1px solid #ffffff55;border-radius:999px;padding:.4rem .8rem}main{padding:2.2rem 1.25rem 4rem}h2{margin-top:2.2rem;line-height:1.25}a{color:var(--purple)}.notice{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--purple);padding:1rem 1.2rem;border-radius:12px}.card{border:1px solid var(--line);border-radius:18px;padding:1.25rem;margin:1rem 0}footer{padding:1.4rem 1.25rem 3rem;color:var(--muted);border-top:1px solid var(--line)}