:root{--yellow:#ffc400;--black:#101010;--ink:#1b1b1b;--muted:#6d6d6d;--paper:#f5f5f2;--line:#dfdfd8;--white:#fff;--max:1280px}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:clip}body{margin:0;color:var(--ink);background:var(--white);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:clip}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.ranjie-container{width:min(calc(100% - 40px),var(--max));margin-inline:auto}.skip-link{position:fixed;left:10px;top:-80px;z-index:999;background:var(--yellow);padding:12px}.skip-link:focus{top:10px}.ranjie-topbar{padding:8px 0;color:#ddd;background:#080808;font-size:12px}.ranjie-topbar .ranjie-container{display:flex;justify-content:space-between}.ranjie-header{position:sticky;top:0;z-index:90;border-bottom:1px solid 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