/* Dock nổi chân trang: sao nguyên các luật .dk của hv2.css (cùng markup site_nav(), cùng nav.js), chỉ gói biến màu để không kéo cả hv2.css/tokens.css vào trang chủ v3. */
.dk,.dk-sh{--surface:#fff;--line-2:rgba(90,50,40,.24);--text:#2B1D1A;--text-2:#6A544D;--blush:#FCEBE4;--font:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
.dk,.dk-sh{display:none}
@media(max-width:1020px){
body{padding-bottom:84px}
.dk{display:flex;position:fixed;left:12px;right:12px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:60;background:var(--surface);border:1px solid var(--line-2);border-radius:22px;box-shadow:0 6px 20px rgba(0,0,0,.14);padding:6px;justify-content:space-between}
.dk-i{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:54px;border:0;background:none;border-radius:16px;color:var(--text-2);font:500 11.5px var(--font);text-decoration:none;cursor:pointer;padding:4px 2px;min-width:0}
.dk-i svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.dk-i[aria-expanded=true]{background:var(--blush);color:var(--text)}.dk-i:active{background:var(--blush)}
.dk-i span{display:block;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media(max-width:400px){.dk-i{font-size:10.5px;letter-spacing:-.01em}}
.dk-sh{position:fixed;inset:0;z-index:59}.dk-sh:not([hidden]){display:block}
.dk-bg{position:absolute;inset:0;background:rgba(0,0,0,.35)}
.dk-pn{position:absolute;left:12px;right:12px;bottom:calc(86px + env(safe-area-inset-bottom));background:var(--surface);color:var(--text);border:1px solid var(--line-2);border-radius:20px;padding:10px 8px;max-height:60vh;overflow:auto;box-shadow:0 10px 28px rgba(0,0,0,.2)}
.dk-g h3{margin:6px 12px 4px;font:600 13px var(--font);color:var(--text-2);text-transform:uppercase;letter-spacing:.04em}
.dk-g a{display:block;padding:11px 12px;border-radius:12px;text-decoration:none;color:var(--text);min-height:44px}
.dk-g a:active{background:var(--blush)}
.dk-g b{display:block;font:600 16px var(--font)}
.dk-g span{display:block;font-size:13.5px;color:var(--text-2);line-height:1.35}
}
@media(prefers-color-scheme:dark){.dk,.dk-sh{--surface:#2E2320;--line-2:rgba(255,230,220,.26);--text:#FBEFE9;--text-2:#C9B3AA;--blush:#2A1D1A}}