:root {
    --bg: #ffffff;
    --text: #1f2328;
    --muted: #667085;
    --border: #e5e7eb;
    --primary: #2563eb
}

* {
    box-sizing: border-box
}

html,body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font: 16px/1.6 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,Helvetica,Arial,'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif
}

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

.page-header {
    position: sticky;
    top: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px
}

.page-header .title {
    margin: 0;
    font-size: 18px
}

.page-header .back {
    font-size: 14px;
    color: var(--muted)
}

.content {
    padding: 16px;
    max-width: 1100px;
    margin: 0 auto
}

h1,h2,h3,h4 {
    line-height: 1.3
}

table {
    width: 100%;
    border-collapse: collapse;
    overflow: auto;
    display: block
}

thead th {
    background: #f8fafc
}

td,th {
    border: 1px solid var(--border);
    padding: 8px;
    text-align: left
}

ul,ol {
    padding-left: 1.25em
}

code,pre {
    background: #f6f8fa;
    border-radius: 6px
}

pre {
    padding: 12px;
    overflow: auto
}