:root{--bg:#F8F3E9;--surface:#FFFCF6;--deep:#38264D;--title:#39294D;--text:#493F4B;--muted:#6D6271;--primary:#7552A3;--accent:#E8D38B;--border:#E7DDED;--soft:#F3EDF9;--max:1160px;--radius:12px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.72 system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}img{max-width:100%;height:auto;object-fit:contain;object-position:center;display:block}.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:10px;z-index:100}.skip-link:focus{left:10px;top:10px}.site-header{background:rgba(255,252,246,.98);border-bottom:1px solid var(--border);position:relative;z-index:20}.header-inner{height:72px;max-width:var(--max);margin:auto;padding:0 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