:root{
  --bg:#f5f6fb; --surface:#ffffff; --text:#161a2b; --muted:#6b7280;
  --border:#e8eaf2; --primary:#6d28d9; --primary2:#db2777; --accent:#7c3aed;
  --ok:#16a34a; --shadow:0 10px 30px rgba(20,22,40,.08); --radius:18px;
  --grad:linear-gradient(120deg,#7c3aed 0%,#db2777 60%,#f59e0b 120%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Poppins',system-ui,sans-serif;line-height:1.2;margin:0 0 .4em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.7rem 1.3rem;border-radius:999px;
  font-weight:600;cursor:pointer;border:0;font-size:.95rem;transition:.2s;font-family:inherit}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(124,58,237,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(124,58,237,.45)}
.btn-ghost{background:#fff;color:var(--primary);border:2px solid var(--border)}
.btn-ghost:hover{border-color:var(--primary)}
.badge{display:inline-block;padding:.2rem .6rem;border-radius:999px;font-size:.72rem;font-weight:700}
.badge-ok{background:rgba(22,163,74,.12);color:var(--ok)}
.badge-no{background:rgba(107,114,128,.14);color:var(--muted)}
.section{padding:64px 0}
.section-sm{padding:40px 0}
.section-title{font-size:2rem;text-align:center;margin-bottom:.3em}
.section-sub{text-align:center;color:var(--muted);max-width:640px;margin:0 auto 2.4rem}
/* header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;gap:1.5rem;height:68px}
.logo{font-family:'Poppins';font-weight:800;font-size:1.25rem;display:flex;align-items:center;gap:.5rem}
.logo .dot{width:30px;height:30px;border-radius:9px;background:var(--grad)}
.nav-links{display:flex;gap:.4rem;margin-left:auto}
.nav-links a{padding:.5rem .9rem;border-radius:10px;font-weight:600;color:var(--muted);transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--primary);background:rgba(124,58,237,.08)}
.nav-search{display:flex;align-items:center;gap:.5rem;background:#fff;border:1px solid var(--border);
  border-radius:999px;padding:.4rem .9rem}
.nav-search input{border:0;outline:0;font-size:.9rem;width:150px;font-family:inherit}
.nav-cta{margin-left:.4rem}
.hamburger{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer;margin-left:auto}
/* hero */
.hero{position:relative;overflow:hidden;background:var(--grad);color:#fff;padding:90px 0 100px}
.hero::after{content:"";position:absolute;inset:0;background:
  radial-gradient(800px 400px at 80% -10%,rgba(255,255,255,.25),transparent),
  radial-gradient(600px 300px at 0% 110%,rgba(255,255,255,.18),transparent)}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center}
.hero h1{font-size:3.2rem;margin-bottom:.3em;color:#fff}
.hero p{font-size:1.15rem;opacity:.95;max-width:520px}
.hero-cta{display:flex;gap:1rem;margin-top:1.8rem;flex-wrap:wrap}
.hero-card{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);
  border-radius:24px;padding:1.6rem;backdrop-filter:blur(6px)}
.hero-card .price{font-size:2.4rem;font-weight:800;font-family:'Poppins'}
.hero-stats{display:flex;gap:1.5rem;margin-top:2rem;flex-wrap:wrap}
.hero-stats div{opacity:.95}
.hero-stats b{display:block;font-size:1.4rem;font-family:'Poppins'}
/* trust bar */
.trust{background:#fff;border-bottom:1px solid var(--border)}
.trust .wrap{display:flex;gap:2rem;justify-content:center;flex-wrap:wrap;padding:18px 20px}
.trust div{display:flex;align-items:center;gap:.6rem;font-weight:600;color:var(--muted);font-size:.95rem}
.trust .ic{width:34px;height:34px;border-radius:10px;background:rgba(124,58,237,.1);
  display:grid;place-items:center;color:var(--primary);font-weight:800}
/* grid */
.grid{display:grid;gap:22px}
.products-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.cat-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.blog-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
/* card */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:.25s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(20,22,40,.14)}
.card .thumb{aspect-ratio:1/1;background:#f0f1f7;position:relative;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:contain;padding:14px;transition:.3s}
.card:hover .thumb img{transform:scale(1.05)}
.card .body{padding:14px 16px 18px;display:flex;flex-direction:column;gap:.4rem;flex:1}
.card .brand{font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--primary)}
.card .name{font-size:.95rem;font-weight:600;line-height:1.35;min-height:2.6em}
.card .price{font-family:'Poppins';font-weight:800;font-size:1.15rem;color:var(--text)}
.card .price small{font-size:.75rem;color:var(--muted);font-weight:600}
.card .more{margin-top:auto;font-size:.85rem;font-weight:700;color:var(--primary)}
/* category card */
.cat-card{position:relative;min-height:160px;border-radius:var(--radius);overflow:hidden;
  display:flex;align-items:flex-end;padding:20px;color:#fff;box-shadow:var(--shadow);transition:.25s}
.cat-card:hover{transform:translateY(-4px)}
.cat-card .ov{position:absolute;inset:0;background:linear-gradient(135deg,rgba(124,58,237,.85),rgba(219,39,119,.75))}
.cat-card .ct{position:relative;z-index:1}
.cat-card h3{color:#fff;font-size:1.25rem;margin:0}
.cat-card .cnt{opacity:.9;font-size:.9rem}
/* toolbar */
.toolbar{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:24px;
  background:#fff;padding:14px 16px;border-radius:14px;border:1px solid var(--border);box-shadow:var(--shadow)}
.toolbar input,.toolbar select{padding:.6rem .9rem;border:1px solid var(--border);border-radius:10px;
  font-family:inherit;font-size:.9rem;background:#fff;color:var(--text)}
.toolbar input[type=search]{flex:1;min-width:200px}
.pagination{display:flex;gap:6px;justify-content:center;margin-top:30px;flex-wrap:wrap}
.pagination button{width:40px;height:40px;border-radius:10px;border:1px solid var(--border);
  background:#fff;cursor:pointer;font-weight:600;font-family:inherit}
.pagination button.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination button:disabled{opacity:.4;cursor:default}
/* product detail */
.breadcrumb{font-size:.85rem;color:var(--muted);margin:18px 0}
.breadcrumb a:hover{color:var(--primary)}
.pd{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.gallery .main{border:1px solid var(--border);border-radius:var(--radius);background:#fff;
  aspect-ratio:1/1;display:grid;place-items:center;padding:24px;box-shadow:var(--shadow)}
.gallery .main img{max-height:100%;object-fit:contain}
.thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.thumbs img{width:64px;height:64px;border:2px solid var(--border);border-radius:12px;
  object-fit:contain;padding:6px;background:#fff;cursor:pointer}
.thumbs img.active{border-color:var(--primary)}
.pd h1{font-size:2rem;margin-bottom:.2em}
.pd .brand{color:var(--primary);font-weight:700;text-transform:uppercase;letter-spacing:.05em;font-size:.8rem}
.pd .price{font-family:'Poppins';font-size:2.2rem;font-weight:800;margin:.4em 0}
.pd .desc{color:#374151;margin:1em 0}
.spec{list-style:none;padding:0;margin:1em 0;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.spec li{background:#fff;border:1px solid var(--border);border-radius:10px;padding:.6rem .8rem;font-size:.9rem}
.spec li b{color:var(--muted);display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.04em}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:1.4em 0}
.faq details{border:1px solid var(--border);border-radius:12px;padding:.2rem 1rem;margin-bottom:.6rem;
  background:#fff}
.faq summary{cursor:pointer;font-weight:600;padding:.7rem 0;font-family:'Poppins'}
.faq p{margin:.2rem 0 .8rem;color:#374151}
/* blog */
.post-card .thumb{aspect-ratio:16/9}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;padding:0}
.post-card .body{padding:16px 18px}
.post-card .date{font-size:.78rem;color:var(--muted);font-weight:600}
.post-card .name{font-size:1.05rem;min-height:2.6em}
.article{max-width:760px;margin:0 auto}
.article .cover{border-radius:var(--radius);overflow:hidden;margin:1.5em 0;box-shadow:var(--shadow)}
.article p{font-size:1.05rem;color:#374151;margin:0 0 1.1em}
.article h2{margin-top:1.4em}
/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.info-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.info-box .row{display:flex;gap:14px;align-items:center;padding:12px 0;border-bottom:1px solid var(--border)}
.info-box .row:last-child{border:0}
.info-box .ic{width:44px;height:44px;border-radius:12px;background:rgba(124,58,237,.1);
  display:grid;place-items:center;color:var(--primary);font-weight:800;font-size:1.1rem}
.info-box a{font-weight:600;color:var(--primary)}
form.contact{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
form.contact label{display:block;font-weight:600;margin:12px 0 6px;font-size:.9rem}
form.contact input,form.contact textarea{width:100%;padding:.7rem .9rem;border:1px solid var(--border);
  border-radius:10px;font-family:inherit;font-size:.95rem}
/* footer */
footer{background:#11131a;color:#cbd5e1;margin-top:60px;padding:54px 0 26px}
footer h4{color:#fff;font-size:1rem;margin-bottom:1rem}
footer a{color:#cbd5e1;display:block;padding:4px 0;font-size:.92rem}
footer a:hover{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.foot-brand .logo{color:#fff;margin-bottom:10px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:18px;
  text-align:center;font-size:.84rem;color:#94a3b8}
.df{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.df a{padding:.5rem .9rem;border-radius:999px;background:rgba(255,255,255,.08);font-size:.82rem}
.df a:hover{background:var(--grad);color:#fff}
/* responsive */
@media(max-width:900px){
  .hero .wrap{grid-template-columns:1fr}
  .hero h1{font-size:2.4rem}
  .pd,.contact-grid{grid-template-columns:1fr}
  .spec{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav-links,.nav-search{display:none}
  .nav-links.open{display:flex;position:absolute;top:68px;left:0;right:0;background:#fff;
    flex-direction:column;padding:12px 20px;border-bottom:1px solid var(--border)}
  .hamburger{display:block}
  .section-title{font-size:1.6rem}
}