* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
    font-family: "Microsoft JhengHei", "PingFang TC", "Heiti TC", sans-serif;
    background: linear-gradient(135deg, #e8f3ff 0%, #f5f7fa 100%);
    color: #333;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.container {
    max-width: 720px;
    width: 100%;
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, .08);
    padding: 48px 40px 40px;
    text-align: center;
}
.badge {
    display: inline-block;
    padding: 6px 14px;
    background: #fff3cd;
    color: #856404;
    border-radius: 999px;
    font-size: 14px;
    margin-bottom: 18px;
}
h1 {
    margin: 0 0 14px;
    font-size: 28px;
    color: #1f5fa8;
}
.icon {
    font-size: 56px;
    margin-bottom: 18px;
    color: #1f5fa8;
}
p { line-height: 1.85; font-size: 16px; color: #555; }
.info-box {
    margin: 28px 0 12px;
    padding: 18px 22px;
    background: #f8fafc;
    border-left: 4px solid #1f5fa8;
    text-align: left;
    border-radius: 6px;
    font-size: 15px;
    color: #333;
}
.footer {
    margin-top: 36px;
    padding-top: 22px;
    border-top: 1px solid #e9ecef;
    font-size: 14px;
    color: #888;
}
.footer strong { color: #555; }