:root{--forest:#173b37;--forest2:#28554d;--clay:#bd6048;--sand:#eee2cc;--paper:#fbf7ee;--ink:#202724;--muted:#5e6b65;--amber:#d2a13d;--line:rgba(23,59,55,.2);--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:#fff;padding:.6rem;z-index:20}.mast{position:sticky;top:0;z-index:12;background:rgba(251,247,238,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.mast-in{max-width:var(--max);margin:auto;min-height:70px;padding:0 24px;display:flex;align-items:center;gap:26px}.brand{font-family:Georgia,"Noto Serif SC",serif;font-size:1.17rem;font-weight:800;color:var(--forest);margin-right:auto}.nav{display:flex;gap:22px;font-size:.92rem}.nav a{border-bottom:2px solid 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