body { margin: 0; font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; background: #f5f6f8; color: #1f2329; }
main.card { max-width: 640px; margin: 48px auto; background: #fff; border-radius: 12px; padding: 32px; box-shadow: 0 2px 12px rgba(0,0,0,.06); }
h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 17px; margin: 24px 0 8px; }
p, li { font-size: 15px; line-height: 1.7; }
a { color: #2f6fed; text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { background: #f0f1f3; border-radius: 6px; font-family: ui-monospace, Menlo, monospace; font-size: 13px; }
code { padding: 2px 6px; }
pre { padding: 12px; overflow-x: auto; }
button, .btn { display: inline-block; background: #2f6fed; color: #fff; border: 0; border-radius: 8px; padding: 10px 20px; font-size: 15px; cursor: pointer; text-decoration: none; }
button:hover, .btn:hover { background: #2459c4; text-decoration: none; }
button.secondary, .btn.secondary { background: #e8eaee; color: #1f2329; }
button.secondary:hover, .btn.secondary:hover { background: #d8dbe0; }
button:disabled { background: #b6bcc8; cursor: not-allowed; }
.muted { color: #7a818e; font-size: 13px; }
.notice { background: #fff7e6; border: 1px solid #ffd591; border-radius: 8px; padding: 10px 14px; font-size: 14px; }
.ok { background: #f0f9eb; border: 1px solid #b7eb8f; border-radius: 8px; padding: 10px 14px; font-size: 14px; }
.bad { background: #fff1f0; border: 1px solid #ffa39e; border-radius: 8px; padding: 10px 14px; font-size: 14px; }
input[type=text], textarea { width: 100%; box-sizing: border-box; border: 1px solid #d0d4da; border-radius: 8px; padding: 10px 12px; font-size: 14px; font-family: ui-monospace, Menlo, monospace; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid #eee; }
.num { font-size: 28px; font-weight: 600; }
.row { display: flex; gap: 24px; }
.row > div { flex: 1; }
main.card.wide { max-width: 860px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.entry { border: 1px solid #e5e7eb; border-radius: 10px; padding: 14px 16px; }
.entry p { margin: 6px 0; font-size: 14px; }
.badge { font-size: 12px; border-radius: 4px; padding: 1px 6px; vertical-align: 2px; }
.badge.oss { background: #f0f9eb; color: #389e0d; border: 1px solid #b7eb8f; }
.badge.closed { background: #f0f1f3; color: #7a818e; border: 1px solid #d0d4da; }
.engine { background: #f6f8ff; border-radius: 6px; padding: 6px 8px; font-size: 13px; }
.hero { margin-bottom: 24px; }
.hero h1 { margin-bottom: 8px; }
.btn-hero { display: inline-block; background: #2f6fed; color: #fff; border-radius: 10px; padding: 14px 28px; font-size: 17px; font-weight: 600; text-decoration: none; }
.btn-hero:hover { background: #2459c4; text-decoration: none; }
.btn-sub { display: inline-block; margin-left: 16px; font-size: 14px; }
.site-footer { margin-top: 32px; padding-top: 16px; border-top: 1px solid #eee; font-size: 12px; color: #9aa0a8; line-height: 1.8; }
.site-footer a { color: #9aa0a8; }