:root {
    --bg: #07111f;
    --bg-soft: #0c1a2e;
    --card: rgba(16, 29, 53, 0.88);
    --border: rgba(116, 190, 255, 0.18);
    --text: #eaf4ff;
    --muted: #93a8c7;
    --primary: #4dc8ff;
    --shadow: 0 18px 45px rgba(0, 0, 0, 0.28);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    background: radial-gradient(circle at top left, rgba(77, 200, 255, 0.12), transparent 24%), radial-gradient(circle at top right, rgba(100, 244, 214, 0.08), transparent 22%), radial-gradient(circle at bottom center, rgba(139, 125, 255, 0.10), transparent 25%), linear-gradient(180deg, #060d18 0%, #091526 48%, #07111f 100%);
    color: var(--text);
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

a {
    color: var(--primary);
    text-decoration: none;
}

    a:hover {
        text-decoration: underline;
    }

.policy-page {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 20px 40px;
}

.policy-card {
    position: relative;
    border: 1px solid var(--border);
    border-radius: 24px;
    background: var(--card);
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    padding: 28px;
}

.policy-close-btn {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

    .policy-close-btn:hover {
        background: rgba(77, 200, 255, 0.14);
        border-color: rgba(116, 190, 255, 0.36);
        transform: scale(1.04);
    }

    .policy-close-btn:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
    }

.policy-title {
    margin: 0 0 10px;
    font-size: 30px;
    font-weight: 700;
}

.policy-subtitle {
    margin: 0 0 24px;
    color: var(--muted);
    font-size: 14px;
}

.policy-section + .policy-section {
    margin-top: 20px;
}

.policy-section h2 {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 700;
}

.policy-section p {
    margin: 0;
    color: var(--text);
    line-height: 1.9;
    font-size: 15px;
}

.policy-footer {
    margin-top: 28px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--muted);
    font-size: 13px;
}

@media (max-width: 640px) {
    .policy-page {
        padding: 16px 14px 24px;
    }

    .policy-card {
        padding: 18px;
    }

    .policy-close-btn {
        top: 12px;
        right: 12px;
        width: 36px;
        height: 36px;
        font-size: 20px;
    }

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

    .policy-section p {
        font-size: 14px;
    }
}