:root{--cream:#f6f3ed;--paper:#fffdf8;--ink:#272d28;--muted:#687068;--forest:#294e40;--walnut:#513a2d;--copper:#aa7853;--line:#dcd8cf;--radius:18px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--cream);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.85}a{color:inherit;text-decoration:none}a:hover{color:var(--copper)}img{max-width:100%;display:block;object-fit:cover;height:auto}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--copper);outline-offset:5px}.wrap{width:min(1200px,calc(100% - 64px));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(246,243,237,.96);backdrop-filter:blur(16px)}.jiangnuo-govcn-head{border-bottom:1px solid #aa785340;box-shadow:0 3px 22px 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