:root {
    --bg1: #f5f7ff;
    --bg2: #eefaf4;
    --card: rgba(255, 255, 255, 0.88);
    --text: #1f2937;
    --muted: #6b7280;
    --accent: #4f46e5;
    --accent2: #10b981;
    --border: rgba(255, 255, 255, 0.6);
    --shadow: 0 20px 50px rgba(31, 41, 55, 0.12);
    --radius: 22px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, #dfe7ff 0%, transparent 35%),
        radial-gradient(circle at top right, #d9fff0 0%, transparent 30%),
        linear-gradient(135deg, var(--bg1), var(--bg2));
    min-height: 100vh;
    line-height: 1.7;
}

.wrap {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 32px 18px 48px;
}

.card {
    background: var(--card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.hero {
    padding: 36px 28px 22px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.95), rgba(16, 185, 129, 0.92));
    color: white;
}

.badge {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.18);
    font-size: 13px;
    letter-spacing: 0.3px;
    margin-bottom: 14px;
}

h1 {
    margin: 0 0 8px;
    font-size: 34px;
    line-height: 1.2;
}

.subtitle {
    margin: 0;
    font-size: 16px;
    opacity: 0.95;
}

.content {
    padding: 28px;
}

.updated {
    margin: 0 0 22px;
    color: var(--muted);
    font-size: 14px;
}

section {
    margin-bottom: 26px;
    padding: 20px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(99, 102, 241, 0.08);
}

h2 {
    margin: 0 0 10px;
    font-size: 22px;
    color: var(--accent);
}

p {
    margin: 0 0 12px;
}

ul {
    margin: 10px 0 0 18px;
    padding: 0;
}

li {
    margin-bottom: 8px;
}

a {
    color: var(--accent);
    text-decoration: none;
    font-weight: bold;
}

a:hover {
    text-decoration: underline;
}

.footer {
    text-align: center;
    color: var(--muted);
    font-size: 14px;
    margin-top: 18px;
}

@media (max-width: 640px) {
    h1 {
        font-size: 28px;
    }

    .hero,
    .content {
        padding: 20px;
    }

    section {
        padding: 16px;
    }
}