:root{--bg:#FFF9EC;--card:#fff;--soft:#F6EFD9;--accent:#E9B92F;--green:#6A8247;--title:#302718;--text:#514637;--muted:#746651;--line:#E7DCC4;--wrap:1160px}*{box-sizing:border-box}html{overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.78;overflow-x:hidden}img{max-width:100%;height:auto}a{color:inherit;text-decoration:none}a:hover{color:#8a6915}.wrap{width:min(calc(100% - 40px),var(--wrap));margin:auto;min-width:0}.site-header{position:sticky;top:0;z-index:30;background:rgba(255,249,236,.96);border-bottom:1px solid 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