:root{--bg:#F8F3EB;--deep:#EFE6D8;--paper:#FFFCF7;--soft:#E8F0E5;--text:#29332B;--title:#17251A;--muted:#5E6A60;--red:#D92B3A;--red2:#A91E2B;--green:#1F4A32;--leaf:#338554;--border:rgba(31,74,50,.16);--shadow:0 14px 34px rgba(23,37,26,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}body.locked{overflow:hidden}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:10px;z-index:9999;background:#fff;padding:10px}.site-header{position:sticky;top:0;z-index:50;background:#FFFCF7;border-bottom:1px solid var(--green)}.header-shell{min-height:90px;max-width:1240px;margin:auto;padding:12px 20px;display:grid;grid-template-columns:1.15fr 2fr 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var(--border);border-radius:10px;padding:14px}.site-footer{background:var(--green);color:#fff;padding:44px 20px 90px}.footer-shell{max-width:1240px;margin:auto}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:28px}.footer-logo{height:34px;width:auto}.footer-brand span{display:block;font-size:12px;opacity:.8}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}.footer-grid h2{color:#fff;font-size:18px}.footer-grid a{display:block;color:#fff;margin:7px 0}.footer-note,.copyright{font-size:14px;opacity:.88;margin-top:26px}.overlay{position:fixed;inset:0;background:rgba(23,23,23,.45);z-index:80}.directory-panel,.search-dialog{position:fixed;z-index:90;visibility:hidden;opacity:0;pointer-events:none;background:var(--paper);border:1px solid var(--border);box-shadow:0 26px 70px rgba(0,0,0,.2);transition:.18s 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