Nâng cấp tìm kiếm: search qua mô tả chi tiết, thông số kỹ thuật, tính năng, tóm tắt sản phẩm (pre-built index)

index.html

@@ -481,7 +481,14 @@ const PRICES=[
 {l:'15-30 triệu',min:15e6,max:3e7},{l:'30-50 triệu',min:3e7,max:5e7},{l:'Trên 50 triệu',min:5e7,max:1e15}
 ];
 
-fetch('products.json').then(r=>r.json()).then(d=>{D=d.map(p=>({name:p.n,link:p.l,image:p.i,price:p.p,priceNum:p.pn,cat:p.c,catSlug:p.cs,catIcon:p.ci,images:p.imgs||[],summary:p.sum||'',desc:p.desc||'',specs:p.specs||{},feats:p.feats||[],sku:p.sku||'',video:p.vid||'',model:p.mod||''}));init()});
+fetch('products.json').then(r=>r.json()).then(d=>{D=d.map(p=>{let o={name:p.n,link:p.l,image:p.i,price:p.p,priceNum:p.pn,cat:p.c,catSlug:p.cs,catIcon:p.ci,images:p.imgs||[],summary:p.sum||'',desc:p.desc||'',specs:p.specs||{},feats:p.feats||[],sku:p.sku||'',video:p.vid||'',model:p.mod||''};o._idx=buildSearchIndex(o);return o});init()});
+
+function buildSearchIndex(p){
+let parts=[p.name,p.cat,p.sku,p.model,'malloca',p.summary,p.desc,p.price];
+if(p.feats&&p.feats.length)parts.push(p.feats.join(' '));
+if(p.specs){Object.entries(p.specs).forEach(([k,v])=>{parts.push(k);parts.push(v)})}
+return parts.join(' ').toLowerCase().normalize('NFD').replace(/[\u0300-\u036f]/g,'');
+}
 
 function init(){buildCats();buildPrices();render()}
 
@@ -500,7 +507,7 @@ document.getElementById('pr').innerHTML=h;document.getElementById('prm').innerHT
 function getF(){
 let r=D;
 if(S.cat!=='all')r=r.filter(p=>p.catSlug===S.cat);
-if(S.q){let q=S.q.toLowerCase().normalize('NFD').replace(/[\u0300-\u036f]/g,'');r=r.filter(p=>{let n=(p.name+' '+p.cat+' '+p.sku+' '+p.model+' malloca').toLowerCase().normalize('NFD').replace(/[\u0300-\u036f]/g,'');return n.includes(q)})}
+if(S.q){let q=S.q.toLowerCase().normalize('NFD').replace(/[\u0300-\u036f]/g,'');r=r.filter(p=>p._idx.includes(q))}
 if(S.pmin>0||S.pmax<1e15)r=r.filter(p=>p.priceNum>=S.pmin&&p.priceNum<=S.pmax);
 if(S.sort==='pa')r.sort((a,b)=>a.priceNum-b.priceNum);
 else if(S.sort==='pd')r.sort((a,b)=>b.priceNum-a.priceNum);