:root {
    --header-h: 64px;
    --footer-h: 48px;
    --bg: #ffffff;
    --ink: #222;
    --ink-weak: #666;
    --brand: #7c3aed;
    --border: #e5e7eb;
}

* {
    box-sizing: border-box
}

html, body {
    height: 100%
}

    body.syj {
        margin: 0;
        background: var(--bg);
        color: var(--ink);
        font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Arial
    }

.syj-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px
}

a {
    color: inherit;
    text-decoration: none
}