:root{--ink: #1c2340;--ink-soft: #4a5375;--paper: #f7f5f0;--card: #ffffff;--accent: #e05a33;--accent-dark: #c44a27;--gold: #d9a441;--indigo: #232f5e;--indigo-deep: #1a2347;--line: #e7e2d8;--radius: 14px;--maxw: 1080px;--shadow: 0 2px 14px rgba(28, 35, 64, .07)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,Segoe UI,Roboto,sans-serif;line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}a{color:var(--indigo);text-decoration:none}a:hover{color:var(--accent)}img,svg{max-width:100%;height:auto}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}.site-header{position:sticky;top:0;z-index:50;background:#fffffff0;backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.site-header 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