.system-page {
    max-width: 960px;
    margin: 0 auto;
    padding: 40px 15px;
    min-height: 58vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.system-card {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    padding: 28px 24px;
    box-shadow: var(--shadow);
    text-align: center;
}

.system-code {
    font-size: 64px;
    line-height: 1;
    margin-bottom: 12px;
    color: var(--cta);
    font-weight: 700;
}

.system-title {
    font-size: 28px;
    margin-bottom: 10px;
    color: var(--text);
}

.system-desc {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.8;
}

.system-actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.system-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 16px;
    border: 1px solid var(--border-soft);
    border-radius: 6px;
    background: var(--surface);
    color: var(--text);
    text-decoration: none;
}

.system-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    text-decoration: none;
}

.system-btn.primary {
    background: var(--cta);
    border-color: var(--cta);
    color: #fff;
}

.system-btn.primary:hover {
    background: var(--cta-hover);
    border-color: var(--cta-hover);
    color: #fff;
}

.system-links {
    margin-top: 18px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.system-links a {
    font-size: 13px;
}

.countdown {
    color: var(--score);
    font-weight: 700;
}

body[data-theme="dark"] .system-card {
    background: #17191c;
    border-color: #2a2d33;
}

@media (max-width: 768px) {
    .system-page {
        padding: 28px 12px;
    }

    .system-card {
        padding: 22px 16px;
    }

    .system-code {
        font-size: 52px;
    }

    .system-title {
        font-size: 24px;
    }
}