:root { color-scheme: light; font-family: Inter, Arial, sans-serif; color: #17212b; background: #eef7fb; }
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.6; }
main { width: min(760px, calc(100% - 32px)); margin: 40px auto; background: #fff; border-radius: 20px; padding: clamp(24px, 6vw, 48px); box-shadow: 0 12px 35px rgba(31, 91, 120, .14); }
h1, h2 { line-height: 1.2; color: #0f4e68; }
h1 { margin-top: 0; font-size: clamp(30px, 7vw, 44px); }
a { color: #006b9a; font-weight: 700; }
nav { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 32px; }
nav a, button { border-radius: 10px; padding: 10px 14px; border: 1px solid #91c9dc; background: #f0fbff; text-decoration: none; }
ul { padding-left: 22px; }
label { display: grid; gap: 6px; font-weight: 700; margin: 16px 0; }
input, textarea { width: 100%; border: 1px solid #9bb5c0; border-radius: 10px; padding: 12px; font: inherit; }
textarea { min-height: 130px; resize: vertical; }
button { cursor: pointer; background: #0e88b7; border-color: #0e88b7; color: #fff; font-weight: 800; font-size: 16px; }
.notice { background: #fff7d5; border-left: 4px solid #e5ab00; padding: 14px; border-radius: 8px; }
.muted { color: #52636d; font-size: .92rem; }
.btn-primary { display: inline-block; cursor: pointer; background: #0e88b7; border: 1px solid #0e88b7; color: #fff !important; font-weight: 800; font-size: 16px; padding: 14px 22px; border-radius: 12px; text-decoration: none; text-align: center; margin: 16px 0; }
.btn-primary:hover { background: #0a6f96; }
.card { background: #f8fcfe; border: 1px solid #d4ebf5; border-radius: 12px; padding: 20px; margin: 20px 0; }