:root {
    color-scheme: light;
    --text: #222;
    --muted: #666;
    --border: #ddd;
    --background: #fff;
    --soft: #f7f7f7;
    --link: #245b45;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    margin: 0;
    background: var(--background);
    color: var(--text);
    font: 16px/1.75 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Microsoft YaHei", Arial, sans-serif;
}

a {
    color: var(--link);
}

.topbar {
    border-bottom: 1px solid var(--border);
    background: #fff;
}

.nav {
    width: min(960px, calc(100% - 32px));
    min-height: 60px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand {
    color: var(--text);
    font-size: 20px;
    font-weight: 700;
    text-decoration: none;
}

.brand-dot {
    color: var(--link);
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 12px;
}

.language-toggle {
    display: inline-flex;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 50%;
    padding: 0;
    background: #fff;
    color: var(--text);
    font: inherit;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
}

.language-toggle:hover,
.language-toggle:focus-visible {
    border-color: #999;
    background: var(--soft);
}

.language-picker {
    position: relative;
}

.language-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 30;
    min-width: 150px;
    border: 1px solid var(--border);
    padding: 5px;
    background: #fff;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}

.language-menu[hidden] {
    display: none;
}

.language-menu button {
    display: block;
    width: 100%;
    border: 0;
    padding: 8px 10px;
    background: #fff;
    color: var(--text);
    font: inherit;
    font-size: 14px;
    text-align: left;
    cursor: pointer;
}

.language-menu button:hover,
.language-menu button:focus-visible {
    background: var(--soft);
}

.language-menu button[aria-checked="true"] {
    font-weight: 700;
}

.language-menu button[aria-checked="true"]::after {
    content: "✓";
    float: right;
}

.hero {
    width: min(960px, calc(100% - 32px));
    margin: 0 auto;
    padding: 48px 0 32px;
    display: flex;
    justify-content: space-between;
    gap: 40px;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--muted);
    font-size: 13px;
}

h1 {
    margin: 0;
    font-size: 36px;
    line-height: 1.25;
}

.hero-copy {
    max-width: 650px;
    margin: 14px 0 0;
    color: var(--muted);
}

.meta-card {
    min-width: 190px;
    font-size: 14px;
}

.meta-card div + div {
    margin-top: 8px;
}

.meta-card span {
    display: inline-block;
    min-width: 70px;
    color: var(--muted);
}

.page {
    width: min(960px, calc(100% - 32px));
    margin: 0 auto;
    padding-bottom: 64px;
    display: grid;
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 36px;
    align-items: start;
}

.toc {
    position: sticky;
    top: 24px;
    padding-right: 20px;
    border-right: 1px solid var(--border);
}

.toc-title {
    margin: 0 0 8px;
    color: var(--text);
    font-size: 14px;
    font-weight: 700;
}

.toc a {
    display: block;
    padding: 3px 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.45;
    text-decoration: none;
}

.toc a:hover {
    color: var(--link);
    text-decoration: underline;
}

.summary {
    margin-bottom: 36px;
    border: 1px solid var(--border);
    background: var(--soft);
}

.summary-item {
    padding: 16px 18px;
}

.summary-item + .summary-item {
    border-top: 1px solid var(--border);
}

.summary-item strong {
    display: block;
    margin-bottom: 3px;
}

.summary-item p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.legal-section {
    margin-bottom: 38px;
}

.section-number {
    color: var(--muted);
    font-size: 13px;
}

h2 {
    margin: 4px 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
    font-size: 23px;
    line-height: 1.35;
}

h3 {
    margin: 24px 0 6px;
    font-size: 17px;
}

p {
    margin: 10px 0;
}

ul {
    margin: 10px 0;
    padding-left: 24px;
}

li + li {
    margin-top: 6px;
}

.data-table {
    width: 100%;
    margin: 16px 0;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table th,
.data-table td {
    border: 1px solid var(--border);
    padding: 10px;
    text-align: left;
    vertical-align: top;
}

.data-table th {
    background: var(--soft);
}

.callout {
    margin: 16px 0;
    padding: 12px 14px;
    border-left: 3px solid #999;
    background: var(--soft);
}

.footer {
    border-top: 1px solid var(--border);
    padding: 28px 16px 40px;
    color: var(--muted);
    text-align: center;
    font-size: 13px;
}

.footer-links {
    justify-content: center;
}

.footer p {
    margin: 8px 0 0;
}

[data-lang-panel] {
    display: none;
}

[data-lang-panel].is-active {
    display: block;
}

@media (max-width: 760px) {
    .hero {
        display: block;
        padding-top: 32px;
    }

    .meta-card {
        margin-top: 20px;
    }

    .page {
        display: block;
    }

    .toc {
        position: static;
        margin-bottom: 32px;
        padding: 16px;
        border: 1px solid var(--border);
    }

    .toc a {
        padding: 4px 0;
    }
}

@media (max-width: 520px) {
    h1 {
        font-size: 30px;
    }

    h2 {
        font-size: 21px;
    }

    .data-table {
        display: block;
        overflow-x: auto;
    }
}

@media print {
    .topbar,
    .toc {
        display: none;
    }

    .hero,
    .page {
        width: 100%;
    }

    .page {
        display: block;
    }
}