*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --black: #080808;
    --ink: #0e0e0e;
    --surface: #141414;
    --surface-2: #1b1b1b;
    --border: #232323;
    --border-mid: #2c2c2c;
    --border-light: #383838;

    --gold: #C4A265;
    --gold-dim: #9a7d50;
    --gold-faint: #3e2f1a;

    --cream: #EDE8DF;
    --text: #C8C0B5;
    --sub: #A09890;
    --muted: #7A7068;
    --faint: #4a4440;

    --font-display: 'Cormorant Garamond', 'Noto Serif TC', Georgia, serif;
    --font-body: 'Noto Sans TC', sans-serif;
    --font-mono: 'DM Mono', monospace;

    --t-xs: 0.75rem;
    --t-sm: 0.85rem;
    --t-base: 0.95rem;
    --t-lg: 1.1rem;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    background: var(--black);
    color: var(--text);
    font-family: var(--font-body);
    font-weight: 400;
    font-size: var(--t-base);
    line-height: 1.75;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

::selection {
    background: var(--gold-faint);
    color: var(--cream);
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 160px 160px;
    opacity: 0.022;
    pointer-events: none;
    z-index: 9000;
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 clamp(1.25rem, 5vw, 2.5rem);
    border-bottom: 1px solid var(--border);
    background: rgba(8, 8, 8, 0.93);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--cream);
    text-decoration: none;
    letter-spacing: 0.03em;
}

.nav-logo em {
    font-style: normal;
    color: var(--gold);
}

.nav-logo-prefix {
    font-family: 'Noto Sans TC', sans-serif;
    margin-right: 4px;
}

.nav-back {
    font-family: var(--font-mono);
    font-size: var(--t-xs);
    font-weight: 300;
    color: var(--muted);
    text-decoration: none;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    border: 1px solid var(--border-mid);
    padding: 0.5rem 1.1rem;
    min-height: 36px;
    display: flex;
    align-items: center;
    border-radius: 1px;
    transition: color 0.2s, border-color 0.2s;
}

.nav-back:hover {
    color: var(--cream);
    border-color: var(--border-light);
}

main {
    flex: 1;
    padding: 100px clamp(1.25rem, 5vw, 2rem) 5rem;
    max-width: 720px;
    margin: 0 auto;
    width: 100%;
}

.page-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.eyebrow {
    font-family: var(--font-mono);
    font-size: var(--t-xs);
    font-weight: 300;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--gold-dim);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.eyebrow::before,
.eyebrow::after {
    content: '';
    display: block;
    width: 28px;
    height: 1px;
    background: var(--border-light);
    flex-shrink: 0;
}

.page-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 300;
    line-height: 1.15;
    color: var(--cream);
    letter-spacing: -0.01em;
    margin-bottom: 1rem;
}

.page-title em {
    font-style: italic;
    color: var(--gold);
}

.page-sub {
    font-size: var(--t-base);
    font-weight: 400;
    color: var(--sub);
    line-height: 1.85;
}

.policy-section {
    margin-bottom: 2.75rem;
    padding-top: 2.25rem;
    border-top: 1px solid var(--border);
}

.policy-section:first-of-type {
    border-top: none;
    padding-top: 0;
}

.policy-section h2 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--cream);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.policy-section h3 {
    font-family: var(--font-body);
    font-size: var(--t-base);
    font-weight: 500;
    color: var(--cream);
    margin-bottom: 0.5rem;
    margin-top: 1.5rem;
}

.policy-section p {
    font-size: var(--t-sm);
    font-weight: 400;
    color: var(--sub);
    line-height: 1.85;
    margin-bottom: 0.75rem;
}

.policy-section ul {
    list-style: none;
    padding: 0;
    margin-bottom: 0.75rem;
}

.policy-section li {
    font-size: var(--t-sm);
    font-weight: 400;
    color: var(--sub);
    line-height: 1.85;
    padding-left: 1.2rem;
    position: relative;
}

.policy-section li::before {
    content: '·';
    position: absolute;
    left: 0;
    color: var(--gold-dim);
    font-weight: 700;
}

.policy-section strong {
    color: var(--text);
    font-weight: 500;
}

.policy-section a {
    color: var(--gold-dim);
    text-decoration: none;
    transition: color 0.2s;
}

.policy-section a:hover {
    color: var(--gold);
}

.update-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: var(--t-xs);
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gold-dim);
    border: 1px solid var(--gold-faint);
    padding: 0.2rem 0.6rem;
    border-radius: 1px;
    margin-top: 1rem;
}

footer {
    border-top: 1px solid var(--border);
    padding: 2.25rem clamp(1.25rem, 5vw, 2.5rem) 2rem;
    text-align: center;
}

.footer-copy {
    font-family: var(--font-mono);
    font-size: var(--t-xs);
    font-weight: 300;
    color: var(--muted);
    letter-spacing: 0.08em;
}

@media (max-width: 480px) {
    .page-title {
        font-size: clamp(1.7rem, 8vw, 2.2rem);
    }

    main {
        padding-top: 80px;
    }
}