:root{--ink:#172018;--green:#213829;--dark:#0f1511;--gold:#c6a15b;--muted:#687268;--paper:#f5f6f1;--line:#dfe3d9}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font:16px/1.75 "Microsoft YaHei","PingFang SC",sans-serif}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible{outline:3px solid #c6a15b;outline-offset:4px}img{display:block;max-width:100%;object-fit:cover}.wrap{width:min(1240px,calc(100% - 64px));margin:auto}.about-header{background:var(--dark);color:#fff;height:74px}.header-inner{display:flex;align-items:center;gap:22px;height:100%;width:min(1500px,calc(100% - 64px))}.brand{font-weight:800;display:flex;gap:10px;align-items:center;white-space:nowrap}.brand-mark{width:40px;height:40px;border-radius:8px;background:#dfc273;display:grid;place-items:center;color:#233126;font-size:14px}.brand-mark:before{content:'东峰'}.about-nav{display:flex;gap:22px;margin-left:auto;font-size:14px;white-space:nowrap}.about-nav 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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}