:root{--black:#17191D;--black2:#1E2126;--graphite:#31363D;--smoke:#424850;--bg:#F1F1EF;--bg2:#E9E9E6;--surface:#fff;--gold:#C6A15B;--gold2:#DEC382;--wine:#7A2638;--blue:#65798A;--green:#66816F;--text:#202227;--text2:#555B63;--text3:#8A9097;--line:rgba(32,34,39,.10);--shadow:0 6px 24px rgba(18,20,24,.10);--radius:14px;--wrap:1320px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.wrap{width:min(var(--wrap),calc(100% - 40px));margin:auto}.briefbar{background:var(--black);color:#F4F4F1;font-size:13px;padding:5px 0}.briefbar b{color:var(--gold2);margin-right:16px}.site-header{position:sticky;top:0;z-index:20;background:rgba(241,241,239,.94);backdrop-filter:blur(16px);border-bottom:1px solid 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