:root{--ink:#17212b;--paper:#f2efe8;--card:#fffdf8;--blue:#1459d9;--orange:#eb5e28;--line:#c8c2b7;--muted:#626b73;--rail:238px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.72}.bar{height:78px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 max(28px,calc((100vw - 1440px)/2));position:sticky;top:0;z-index:20}.logo{color:var(--ink);text-decoration:none;display:grid;grid-template-columns:58px auto;grid-template-rows:auto auto;line-height:1}.logo span{grid-row:1/3;background:var(--ink);color:#fff;font:bold 18px Arial;padding:15px 10px;letter-spacing:2px}.logo b{font-size:20px;padding:5px 12px}.logo small{font:10px Arial;letter-spacing:2px;padding:2px 12px;color:var(--muted)}.bar nav{margin-left:auto;display:flex;gap:34px}.bar nav a{color:var(--ink);text-decoration:none;font-size:14px}.bar nav 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.c-purchase{background:#643b20}.c-privacy{background:#174b62}.c-work-media{background:#6a304c}.c-family{background:#3e5b27}