:root{color-scheme:light;--bg: #faf7f2;--panel: #ffffff;--text: #2c2925;--muted: #857e75;--line: #e6e0d3;--accent: #b04332;--accent-strong: #8a3b3b;--accent-light: #fbeae8;--danger: #d32f2f;--shadow: 0 4px 16px rgba(176, 67, 50, .08);--shadow-hover: 0 8px 24px rgba(176, 67, 50, .12);--radius: 12px}*,*:before,*:after{box-sizing:border-box}body{margin:0;background:var(--bg) url('data:image/svg+xml;utf8,<svg width="40" height="40" viewBox="0 0 40 40" xmlns="http://www.w3.org/2000/svg"><circle cx="20" cy="20" r="1" fill="%23e6e0d3"/></svg>');color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.6}.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 32px;border-bottom:1px solid rgba(230,224,211,.5);background:#fffc;backdrop-filter:blur(12px);position:sticky;top:0;z-index:100;box-shadow:0 2px 8px #00000005}.brand{font-weight:800;font-size:20px;color:var(--accent-strong);text-decoration:none;white-space:nowrap;display:flex;align-items:center;gap:8px}.brand:before{content:"☯";font-size:24px;font-weight:400;color:var(--accent)}nav{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}nav a{color:var(--text);text-decoration:none;font-size:15px;font-weight:500;padding:8px 16px;border-radius:20px;transition:all .2s}nav a:hover,nav a.active{background:var(--accent-light);color:var(--accent-strong)}main{max-width:1000px;margin:0 auto;padding:40px 20px 60px}.page-title{margin:0 0 12px;font-size:36px;line-height:1.3;font-weight:800;color:var(--accent-strong);text-align:center}.page-desc{margin:0 0 40px;color:var(--muted);font-size:18px;text-align:center;max-width:600px;margin-inline:auto}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}.two-col-layout{display:grid;grid-template-columns:380px 1fr;gap:24px;align-items:start}.layout-sidebar{position:sticky;top:90px;max-height:calc(100vh - 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