:root {
    color-scheme: light;
    --bg: #eef3f8;
    --panel: #ffffff;
    --text: #172332;
    --muted: #4a5867;
    --accent: #0f766e;
    --border: rgba(15, 23, 42, 0.12);
    --shadow: 0 14px 36px rgba(15, 23, 42, 0.12);
}

body {
    margin: 0;
    padding: 40px 20px;
    background: radial-gradient(circle at top right, rgba(15, 118, 110, 0.12), transparent 35%), var(--bg);
    color: var(--text);
    font-family: "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
}

.page {
    width: min(860px, 100%);
    margin: 0 auto;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 34px;
}

h1 {
    margin: 0 0 10px;
    font-size: 34px;
    line-height: 1.2;
}

h2 {
    margin: 28px 0 8px;
    font-size: 24px;
}

h3 {
    margin: 18px 0 6px;
    font-size: 18px;
}

p, li {
    line-height: 1.7;
}

.lead {
    color: var(--muted);
    margin: 0 0 16px;
}

.nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
}

.nav a {
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 7px 12px;
    text-decoration: none;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

a {
    color: #0b5d57;
}

.card {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px;
    margin-top: 12px;
}

.list {
    display: grid;
    gap: 8px;
    padding-left: 20px;
}

.muted {
    color: var(--muted);
}

.footer {
    margin-top: 26px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 13px;
}

@media (max-width: 640px) {
    .page {
        padding: 24px;
    }

    h1 {
        font-size: 28px;
    }
}