body{font-family:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;margin:0;background:#f7f7f8;color:#222;line-height:1.6}
main{max-width:1100px;margin:auto;padding:24px}h1{font-size:1.7em}.summary{font-size:1.05em;color:#444}
section{background:#fff;border-radius:10px;padding:16px 20px;margin:18px 0;box-shadow:0 1px 3px #0001}
.sh{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}.caption{color:#666;font-size:.92em}
.tw{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.92em}th,td{border-bottom:1px solid #eee;padding:6px 8px;text-align:left;vertical-align:top}th{background:#fafafa}
.chart{position:relative;height:360px}.callout{border-left:4px solid #2563eb;background:#eff6ff;padding:10px 14px;margin:12px 0;border-radius:6px}.callout.warning{border-color:#f59e0b;background:#fffbeb}
.links{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}.card{display:block;border:1px solid #e5e5e5;border-radius:8px;padding:10px;text-decoration:none;color:#1d4ed8}.card small{color:#777}
.seg button{border:1px solid #ccc;background:#fff;padding:4px 10px;cursor:pointer}.seg button.on{background:#2563eb;color:#fff}footer{color:#666;font-size:.9em}