:root{--bg:#ffffff;--fg:#1f2328;--muted:#5b6570;--line:#e6e8eb;--brand:#2f6f4e;--brand-dark:#245840;--accent:#e8f3ec;--link:#2f6f4e;--max:1120px;--radius:12px;--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PT Sans",sans-serif}*{box-sizing:border-box}html{font-size:17px;-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font);line-height:1.65}img{max-width:100%;height:auto;display:block}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--max);margin:0 auto;padding:0 18px}.site-header{border-bottom:1px solid var(--line);position:sticky;top:0;background:#fffffff5;backdrop-filter:saturate(180%) blur(6px);z-index:20}.site-header .container{display:flex;align-items:center;gap:18px;height:64px}.logo{font-weight:800;font-size:1.32rem;color:var(--brand);white-space:nowrap}.logo span{color:var(--fg)}.nav{display:flex;gap:20px;align-items:center;margin-left:auto}.nav a{color:var(--muted);font-size:.95rem;white-space:nowrap}.nav a:hover{color:var(--brand)}.dropdown{position:relative}.dropdown summary{list-style:none;cursor:pointer;color:var(--muted);font-size:.95rem;display:inline-flex;align-items:center;gap:5px;user-select:none}.dropdown summary::-webkit-details-marker{display:none}.dropdown summary:after{content:"▾";font-size:.85em;transition:transform .2s}.dropdown[open] summary:after{transform:rotate(180deg)}.dropdown summary:hover{color:var(--brand)}.dropdown-menu{position:absolute;top:calc(100% + 12px);right:0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 34px #00000024;padding:12px;display:none;grid-template-columns:1fr 1fr;gap:2px 16px;min-width:470px;z-index:40}.dropdown[open] .dropdown-menu{display:grid}.dropdown-menu a{padding:8px 12px;border-radius:9px;white-space:nowrap;font-size:.92rem}.dropdown-menu 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0;border-radius:10px;overflow:hidden;background:#000}.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.post-meta{color:var(--muted);font-size:.9rem;margin:.2em 0 1em}.related{margin-top:54px}.lb-overlay{position:fixed;inset:0;background:#000000eb;display:none;align-items:center;justify-content:center;z-index:1000;padding:24px;cursor:zoom-out}.lb-overlay.open{display:flex}.lb-img{max-width:95vw;max-height:92vh;width:auto;height:auto;border-radius:6px;box-shadow:0 14px 50px #0000008c;cursor:default}.lb-close{position:absolute;top:12px;right:20px;background:none;border:none;color:#fff;font-size:42px;line-height:1;cursor:pointer;opacity:.85;padding:4px 10px}.lb-close:hover{opacity:1}.article .content a{text-decoration:underline}.article .content a:hover{color:var(--brand-dark)}.section-title{font-size:1.4rem;margin:36px 0 4px;padding-bottom:8px;border-bottom:2px solid var(--accent)}.cat-pills{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.cat-pills a{background:var(--accent);color:var(--brand-dark);padding:7px 14px;border-radius:999px;font-size:.9rem;font-weight:600}.cat-pills a:hover{background:var(--brand);color:#fff;text-decoration:none}.site-footer{margin-top:60px;border-top:1px solid var(--line);background:#fafbfc;padding:34px 0;color:var(--muted);font-size:.9rem}.site-footer a{color:var(--muted)}.site-footer .cols{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}.pager{display:flex;justify-content:center;gap:8px;margin:34px 0;flex-wrap:wrap}.pager a,.pager span{padding:8px 13px;border:1px solid var(--line);border-radius:8px;font-size:.9rem}.pager .cur{background:var(--brand);color:#fff;border-color:var(--brand)}@media (max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){html{font-size:16px}.grid{grid-template-columns:1fr;gap:16px}.site-header .container{height:56px;gap:10px}.nav{position:fixed;inset:56px 0 auto;background:#fff;flex-direction:column;padding:10px 18px;border-bottom:1px solid var(--line);box-shadow:0 8px 24px #0000001f;display:none;max-height:calc(100vh - 56px);overflow-y:auto}.menu-toggle{display:flex}.navcb:checked~.nav{display:flex}.navcb:checked~.menu-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}.navcb:checked~.menu-toggle span:nth-child(2){opacity:0}.navcb:checked~.menu-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav a{padding:10px 0;font-size:1rem;border-bottom:1px solid var(--accent)}.dropdown{width:100%}.dropdown summary{padding:10px 0;font-size:1rem;border-bottom:1px solid var(--accent)}.dropdown-menu{position:static;display:none;grid-template-columns:1fr;min-width:0;box-shadow:none;border:none;border-radius:0;padding:0 0 0 14px;gap:0}.dropdown[open] .dropdown-menu{display:grid}.dropdown-menu a{padding:9px 0;font-size:.95rem}.page-title{font-size:1.5rem}}