/* Legal documents (用户协议 / 隐私政策) — shares the homepage palette.
   Loaded AFTER base.css / nav.css so it wins on page-local rules. */

/* ===== Palette — mirrors index.html so legal pages read as the same system ===== */
:root {
    --fs-title: clamp(1.75rem, 3.4vw, 2.6rem);
    --fs-heading: 1.02rem;
    --fs-body: 0.9rem;
    --fs-small: 0.78rem;
    --fs-caption: 0.72rem;
    --fs-micro: 0.64rem;
    --lh-body: 1.9;
    --track-label: 0.14rem;
    --legal-measure: 46rem;
}

[data-theme="dark"] {
    --bg: #0B0A0A;
    --bg-2: #12100F;
    --bg-3: #191614;
    --text: #E8D7B9;
    --text-2: #CDB78F;
    --text-3: #9E855D;
    --accent: #C4A882;
    --glass: rgba(196,168,130,0.045);
    --glass-b: rgba(196,168,130,0.11);
    --ruler-b: rgba(196,168,130,0.16);
    --glass-bh: rgba(196,168,130,0.18);
    --dot: rgba(196,168,130,0.075);
}

[data-theme="light"] {
    --bg: #F6F4F0;
    --bg-2: #FFFDF8;
    --bg-3: #FFFFFF;
    --text: #151211;
    --text-2: #4A403A;
    --text-3: #7C6E63;
    --accent: #8A6A3E;
    --glass: rgba(255,254,250,0.62);
    --glass-b: rgba(58,45,40,0.10);
    --ruler-b: rgba(58,45,40,0.13);
    --glass-bh: rgba(58,45,40,0.20);
    --dot: rgba(64,52,47,0.075);
}

/* ===== Canvas — dot grid + the homepage's warm corner glow ===== */
body {
    background: var(--bg);
    color: var(--text);
}

body::before {
    content: '';
    position: fixed; inset: 0;
    background-image: radial-gradient(circle, var(--dot) 1.2px, transparent 1.2px);
    background-size: 24px 24px;
    opacity: 0.8;
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed; inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse at 104% 34%, rgba(196,168,130,0.15) 0%, rgba(138,93,58,0.09) 30%, rgba(11,10,10,0) 64%),
        linear-gradient(270deg, rgba(196,168,130,0.06) 0%, rgba(151,111,73,0.035) 20%, rgba(11,10,10,0) 58%);
}

[data-theme="light"] body::after {
    background:
        radial-gradient(ellipse at 88% 6%, rgba(255,255,252,0.9) 0%, rgba(255,255,252,0) 40%),
        radial-gradient(ellipse at 6% 94%, rgba(229,219,213,0.28) 0%, rgba(229,219,213,0) 44%);
}

/* ===== Shell ===== */
.legal {
    position: relative;
    z-index: 1;
    max-width: var(--legal-measure);
    margin: 0 auto;
    padding: clamp(7rem, 14vh, 9.5rem) clamp(1.5rem, 6vw, 2.5rem) clamp(4rem, 10vh, 7rem);
}

/* ===== Masthead ===== */
.legal-eyebrow {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    font-family: var(--font-mono);
    font-size: var(--fs-micro);
    letter-spacing: var(--track-label);
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.legal-eyebrow::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--ruler-b), transparent);
}

.legal h1 {
    font-family: var(--font-head);
    font-size: var(--fs-title);
    font-weight: 500;
    line-height: 1.14;
    letter-spacing: 0.02rem;
    color: var(--text);
    margin-bottom: 0.9rem;
}

.legal-meta {
    font-family: var(--font-mono);
    font-size: var(--fs-caption);
    letter-spacing: 0.04rem;
    color: var(--text-3);
}

.legal-lede {
    margin: 2.6rem 0 0;
    padding: 1.5rem 1.7rem;
    background: var(--glass);
    border: 1px solid var(--glass-b);
    border-left: 2px solid var(--accent);
    border-radius: 4px;
    font-size: 0.92rem;
    line-height: 1.85;
    color: var(--text-2);
}

/* ===== Sections ===== */
.legal-sec {
    margin-top: 3.4rem;
    padding-top: 2.2rem;
    border-top: 1px solid var(--ruler-b);
}

.legal-sec:first-of-type {
    border-top: 0;
    padding-top: 0;
}

.legal-sec h2 {
    display: grid;
    grid-template-columns: 2.4rem auto;
    align-items: baseline;
    font-family: var(--font-head);
    font-size: var(--fs-heading);
    font-weight: 600;
    letter-spacing: 0.03rem;
    color: var(--text);
    margin-bottom: 1.15rem;
}

.sec-idx {
    font-family: var(--font-mono);
    font-size: var(--fs-caption);
    font-weight: 400;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04rem;
    color: var(--accent);
    opacity: 0.9;
}

.legal-sec p {
    font-size: var(--fs-body);
    line-height: var(--lh-body);
    color: var(--text-2);
    margin-bottom: 0.9rem;
}

.legal-sec p:last-child { margin-bottom: 0; }

/* ===== Lists — hairline dash markers, no bullets ===== */
.legal-sec ul {
    list-style: none;
    margin: 0 0 1rem;
    padding: 0;
}

.legal-sec li {
    position: relative;
    padding-left: 1.5rem;
    font-size: var(--fs-body);
    line-height: var(--lh-body);
    color: var(--text-2);
    margin-bottom: 0.45rem;
}

.legal-sec li::before {
    content: '';
    position: absolute;
    left: 0;
    top: calc(var(--lh-body) * 0.5em);
    width: 0.7rem;
    height: 1px;
    background: var(--accent);
    opacity: 0.5;
}

.legal-sec li:last-child { margin-bottom: 0; }

/* ===== Links ===== */
.legal a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
    padding-bottom: 1px;
    transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.legal a:hover {
    border-bottom-color: var(--accent);
}

/* ===== Cross-link to the sibling document ===== */
.legal-xlink {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.2rem;
    margin-top: 4rem;
    padding: 1.3rem 1.6rem;
    background: var(--glass);
    border: 1px solid var(--glass-b);
    border-radius: 6px;
    text-decoration: none;
    transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.legal-xlink:hover {
    border-color: var(--glass-bh);
    background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.legal-xlink-label {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--fs-micro);
    letter-spacing: var(--track-label);
    text-transform: uppercase;
    color: var(--text-3);
    margin-bottom: 0.4rem;
}

.legal-xlink-title {
    display: block;
    font-family: var(--font-head);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text);
}

.legal-xlink svg {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    color: var(--accent);
    transition: transform 0.25s var(--ease);
}

.legal-xlink:hover svg { transform: translateX(3px); }

/* ===== Footer ===== */
.legal-foot {
    margin-top: 3rem;
    padding-top: 1.6rem;
    border-top: 1px solid var(--ruler-b);
    text-align: center;
    font-family: var(--font-mono);
    font-size: var(--fs-micro);
    letter-spacing: 0.08rem;
    color: var(--text-3);
}

/* ===== Mobile ===== */
@media (max-width: 640px) {
    .legal { padding-top: 6rem; }

    .legal-sec h2 {
        grid-template-columns: 1.9rem auto;
    }

    .legal-lede {
        padding: 1.2rem 1.3rem;
    }

    .legal-xlink {
        padding: 1.1rem 1.2rem;
    }
}