:root{
  --bg:#ffffff;
  --text:#1b1b1f;
  --muted:#5a5a66;
  --muted2:#7a7a86;
  --border:#e7e7ee;
  --card:#ffffff;
  --shadow:0 10px 30px rgba(0,0,0,.08);
  --red:#e10600;
  --black:#0b0b0f;
  --charcoal:#121217;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"San Francisco","Inter","Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

a{color:inherit;text-decoration:none}

.page{min-height:60vh}

.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border)}

.navbar{
  display:grid;
  grid-template-columns: 200px 1fr auto;
  gap:10px;
  align-items:center;
  padding:14px 18px;
}

.brand{display:flex;align-items:center;gap:10px}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--red);color:#fff;font-weight:800}
.brand-name{font-weight:750;letter-spacing:.2px}
.brand-stack{display:flex;align-items:center;gap:10px;line-height:1.05}
.brand-logo{display:block;height:48px;width:auto;max-width:200px;object-fit:contain}
.brand-tagline{font-size:12px;color:var(--muted2);font-weight:700;letter-spacing:.2px;margin-top:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}

.nav-center{display:flex;align-items:center;justify-content:center;gap:14px}
.search{position:relative;max-width:480px;width:100%}
.search input{
  width:100%;
  padding:12px 14px;
  border:2px solid #9a9aa8;
  border-radius:14px;
  outline:none;
  background:#fff;
  color:var(--text);
}
.search input:focus{border-color:rgba(225,6,0,.55); box-shadow: 0 0 0 4px rgba(225,6,0,.10)}

.search-dropdown{
  position:absolute;
  left:0; right:0;
  top:calc(100% + 8px);
  background:#fff;
  border:1px solid var(--border);
  border-radius:14px;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.search-dropdown a{display:flex;justify-content:space-between;gap:12px;padding:10px 12px;color:var(--text)}
.search-dropdown a:hover{background:rgba(225,6,0,.06)}
.search-dropdown .hint{color:var(--muted);font-size:12px}

.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:24px}

.nav-login{
  width:48px;
  height:48px;
  border-radius:14px;
  border:2px solid var(--border);
  background:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--text);
}
.nav-login:hover{border-color:var(--red);color:var(--red)}
.nav-login-icon{width:28px;height:28px;display:block;stroke-width:2.5}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:10px 14px;border-radius:14px;border:1px solid var(--border);background:#fff;color:var(--text);cursor:pointer;font-weight:650}
.btn-primary{background:var(--red);border-color:var(--red);color:#fff}
.btn-primary:hover{filter:brightness(1.02)}
.btn-ghost{background:transparent}

.cart{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--border);border-radius:14px;background:#fff}
.cart-icon{font-size:16px}
.cart-total{font-weight:700}

.avatar{width:38px;height:38px;border-radius:999px;overflow:hidden;border:1px solid var(--border);display:inline-flex;align-items:center;justify-content:center;background:#4a4a52}
.avatar img{width:100%;height:100%;object-fit:cover}

.subnavbar{
  display:flex;
  gap:14px;
  padding:10px 18px 14px;
  overflow:auto;
}
.subnavbar a{padding:8px 12px;border-radius:999px;border:1px solid var(--border);color:var(--muted);background:#fff;white-space:nowrap}
.subnavbar a:hover{border-color:rgba(225,6,0,.30);color:var(--text)}

.container{max-width:1120px;margin:0 auto;padding:22px 18px}

.hero{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:22px;
  align-items:stretch;
}

.card{background:var(--card);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow)}

.slider{position:relative;overflow:hidden}
.slider-track{display:flex;transition:transform .45s ease}
.slide{min-width:100%;padding:22px;display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:center}
.slide .title{font-size:28px;font-weight:800;letter-spacing:-.4px}
.slide .desc{color:var(--muted);margin-top:10px;line-height:1.4}
.slide .price{margin-top:12px;font-weight:800;color:var(--red)}
.slide .image{
  height:220px;
  border-radius:16px;
  border:1px solid var(--border);
  background:linear-gradient(135deg, rgba(225,6,0,.10), rgba(0,0,0,.03));
  display:flex;align-items:center;justify-content:center;
  color:var(--muted);
}

.slider-btn{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:999px;border:1px solid var(--border);background:rgba(255,255,255,.92);cursor:pointer}
.slider-btn:hover{border-color:rgba(225,6,0,.35)}
.slider-btn.prev{left:12px}
.slider-btn.next{right:12px}

.slider-dots{display:flex;gap:8px;justify-content:center;padding:12px}
.dot{width:9px;height:9px;border-radius:999px;border:1px solid var(--border);background:#fff;cursor:pointer}
.dot.active{background:var(--red);border-color:var(--red)}

.grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
}

.product{
  padding:14px;
  display:flex;
  flex-direction:column;
  height:100%;
}
.product .img{
  aspect-ratio:1 / 1;
  height:auto;
  border-radius:16px;
  border:1px solid var(--border);
  background:linear-gradient(135deg, rgba(0,0,0,.02), rgba(225,6,0,.06));
  display:flex;align-items:center;justify-content:center;
  color:var(--muted);
  overflow:hidden;
  padding:12px;
  flex-shrink:0;
}
.product .img img{width:100%;height:100%;object-fit:contain;display:block}
.product .name{font-weight:800;margin-top:10px;height:44px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.product .brand{font-size:12px;color:var(--muted2);margin-top:4px;height:18px;overflow:hidden}
.product .desc{color:var(--muted);font-size:13px;margin-top:8px;line-height:1.35;height:52px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical}
.product .product-bottom{margin-top:auto;padding-top:12px}
.product .row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px}
.product .price{font-weight:850;color:var(--red)}
.price-locked{font-weight:850;color:var(--muted2)}

.row-actions{display:flex;gap:10px;align-items:center}
.qty{display:inline-flex;align-items:center;gap:6px;border:1px solid rgba(16,24,40,.10);border-radius:999px;padding:4px 6px;background:rgba(16,24,40,.02)}
.qty-btn{width:34px;height:34px;border-radius:999px;border:1px solid rgba(16,24,40,.10);background:#fff;color:var(--text);cursor:pointer;font-weight:950;line-height:1;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 10px 20px rgba(16,24,40,.06)}
.qty-btn:hover{border-color:rgba(225,6,0,.28);background:rgba(225,6,0,.03)}
.qty-input{width:46px;max-width:46px;text-align:center;border:0;border-radius:999px;padding:8px 6px;font-weight:950;outline:none;background:transparent}
.qty-input:focus{box-shadow: 0 0 0 4px rgba(225,6,0,.10)}
.btn-icon{width:42px;height:42px;padding:0;border-radius:999px}
.btn-icon svg{width:18px;height:18px;display:block}

.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.select, .input{
  padding:10px 12px;
  border:1px solid var(--border);
  border-radius:14px;
  background:#fff;
  color:var(--text);
  outline:none;
}

.field{display:flex;flex-direction:column;gap:6px}
.label{font-weight:750;font-size:13px;color:var(--muted2)}
.help{font-size:12px;color:var(--muted)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
textarea.input{resize:vertical;min-height:44px}

.notice{padding:12px 14px;border-radius:16px;border:1px solid var(--border);background:rgba(225,6,0,.04);color:var(--muted)}

.error{border:1px solid rgba(225,6,0,.35);background:rgba(225,6,0,.05);color:var(--muted);padding:12px 14px;border-radius:16px;margin-top:14px}
.success{border:1px solid rgba(16,185,129,.35);background:rgba(16,185,129,.05);color:var(--muted);padding:12px 14px;border-radius:16px;margin-top:14px}

.site-footer{border-top:1px solid rgba(255,255,255,.10);background:var(--charcoal);color:#fff}
.footer-top{max-width:1120px;margin:0 auto;padding:22px 18px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.footer-col{display:flex;gap:12px;flex-wrap:wrap}
.footer-col-info{flex-direction:column;align-items:flex-start}
.footer-box{border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:12px 14px;min-width:180px;background:rgba(255,255,255,.02)}
.footer-box.footer-box-logo{border:0;background:transparent;padding:0}
.footer-title{font-weight:850;margin-bottom:6px}
.footer-text{color:rgba(255,255,255,.80)}
  .footer-logo{height:120px;width:auto;max-width:180px;object-fit:contain}
.footer-links{display:flex;flex-direction:column;gap:6px;color:rgba(255,255,255,.86);list-style:none;margin:0;padding:0}
.footer-links li{margin:0;padding:0}
.footer-mid{max-width:1120px;margin:0 auto;padding:0 18px 20px}
.footer-about p{color:rgba(255,255,255,.80);line-height:1.5;margin:8px 0 14px}
.footer-divider{max-width:1120px;margin:0 auto;height:3px;background:rgba(255,255,255,.25)}
.footer-bottom{max-width:1120px;margin:0 auto;padding:16px 18px 22px;display:flex;align-items:flex-start;justify-content:space-between;gap:12px;flex-wrap:wrap}

.footer-legal{display:flex;flex-direction:column;gap:6px;color:rgba(255,255,255,.80);line-height:1.4}
.footer-legal > div:first-child{color:#fff;font-weight:900}

.about-wrap{max-width:1120px;margin:0 auto;padding:22px 18px}
.about-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:stretch}
.about-kicker{display:inline-flex;align-items:center;gap:8px;font-weight:850;color:var(--red);letter-spacing:.2px}
.about-title{font-size:30px;font-weight:950;letter-spacing:-.6px;margin-top:10px}
.about-lead{color:var(--muted);margin-top:10px;line-height:1.6}
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
.about-card{padding:16px}
.about-card h3{margin:0;font-size:16px;font-weight:950;letter-spacing:-.2px}
.about-card p{margin:10px 0 0;color:var(--muted);line-height:1.6}
.about-divider{height:1px;background:var(--border);margin:14px 0}

.t-card{border:1px solid var(--border);background:linear-gradient(180deg,#fff,rgba(225,6,0,.02));box-shadow:0 10px 28px rgba(16,24,40,.06);transition:transform .15s ease, box-shadow .15s ease}
.t-card:hover{transform:translateY(-1px);box-shadow:0 14px 34px rgba(16,24,40,.08)}
.t-head{display:flex;gap:10px;align-items:center}
.t-avatar{width:42px;height:42px;border-radius:999px;overflow:hidden;border:1px solid rgba(16,24,40,.12);background:#fff;display:flex;align-items:center;justify-content:center}
.t-avatar img,.t-avatar{object-fit:cover}
.t-avatar-fallback{color:var(--muted);font-weight:900}
.t-avatar-sm{width:30px;height:30px}
.t-name{font-weight:900}
.t-meta{display:flex;align-items:center;gap:8px;color:var(--muted2);font-size:12px;margin-top:2px;flex-wrap:wrap}
.t-dot{opacity:.6}
.t-stars{display:inline-flex;gap:2px}
.t-star{font-size:14px;line-height:1;color:#c9c9d6}
.t-star.on{color:#f7b600}

.t-body{margin-top:10px;color:var(--text);line-height:1.6;white-space:pre-wrap}

.t-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.t-btn{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;border:1px solid rgba(16,24,40,.12);background:#fff;color:var(--muted);cursor:pointer;font-weight:850;transition:background .15s ease, border-color .15s ease, transform .15s ease}
.t-btn:hover{border-color:rgba(225,6,0,.30);color:var(--text);background:rgba(225,6,0,.04)}
.t-btn:active{transform:translateY(1px)}
.t-btn.active{border-color:rgba(225,6,0,.45);background:rgba(225,6,0,.06);color:var(--text)}
.t-ico{display:inline-flex;align-items:center;justify-content:center;line-height:1}
.t-ico svg{width:16px;height:16px;display:block}

.t-comments{margin-top:12px;border-top:1px solid rgba(16,24,40,.10);padding-top:12px}
.t-comments-list{display:flex;flex-direction:column;gap:10px}
.t-comment{display:flex;gap:10px;align-items:flex-start;padding:10px 10px;border:1px solid rgba(16,24,40,.08);border-radius:14px;background:#fff}
.t-comment-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.t-comment-body{color:var(--muted);line-height:1.6;margin-top:4px;white-space:pre-wrap}
.t-comments-form{margin-top:10px}

.t-stars-input{display:inline-flex;gap:2px;padding:4px 6px;border-radius:999px;border:1px solid rgba(16,24,40,.12);background:#fff}
.t-star-btn{border:0;background:transparent;border-radius:10px;padding:8px 8px;cursor:pointer;color:#c9c9d6;font-size:18px;line-height:1;transition:transform .12s ease, color .12s ease}
.t-star-btn.on{color:#f7b600}
.t-star-btn:hover{transform:translateY(-1px)}

.t-rating-label{font-weight:850;color:var(--muted2);padding:6px 10px;border-radius:999px;border:1px solid rgba(16,24,40,.12);background:#fff}
.t-btn-danger{border-color:rgba(225,6,0,.35);color:var(--red)}
.t-btn-danger:hover{border-color:rgba(225,6,0,.55);background:rgba(225,6,0,.06);color:var(--red)}
.t-btn-xs{padding:6px 8px;font-size:12px}

@media (max-width: 980px){
  .about-hero{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
}
.footer-payments{display:flex;gap:10px}
.footer-payments .pay{border:1px solid rgba(255,255,255,.18);border-radius:12px;padding:0;color:#fff;display:inline-flex;align-items:center;justify-content:center;height:34px;width:72px;background:rgba(255,255,255,.02)}
.pay-icon{width:64px;height:24px;display:block}

.footer-social{display:flex;gap:10px;color:rgba(255,255,255,.86);align-items:center}
.footer-social a:hover{color:#fff}
.footer-copy{display:flex;gap:10px;align-items:center;color:rgba(255,255,255,.80)}
.footer-copy a:hover{color:#fff}

.icon{width:18px;height:18px;display:block}
.footer-social a,
.footer-copy a{
  width:36px;
  height:36px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid rgba(255,255,255,.18);
  border-radius:999px;
  background:rgba(255,255,255,.02);
  color:rgba(255,255,255,.86);
}
.footer-social a:hover,
.footer-copy a:hover{
  border-color:rgba(255,255,255,.36);
  color:#fff;
}

.footer-links a{
  display:block;
  padding:4px 0;
  color:rgba(255,255,255,.86);
  text-decoration:none;
  transition:color .15s ease;
}

.footer-links a:hover{
  color:#fff;
  text-decoration:underline;
}

.site-footer .select{
  background:rgba(0,0,0,.4);
  color:#fff;
  border-color:rgba(255,255,255,.3);
}
.site-footer .select:focus{border-color:rgba(255,255,255,.5)}
.site-footer .select option{background:#1a1a1a;color:#fff}

.chat-fab{position:fixed;right:18px;bottom:18px;z-index:220}
.chat-fab button{width:54px;height:54px;border-radius:999px;border:0;background:var(--red);color:#fff;cursor:pointer;box-shadow:0 14px 38px rgba(0,0,0,.28);display:flex;align-items:center;justify-content:center}
.chat-fab button:hover{filter:brightness(1.03)}
.chat-fab svg{width:22px;height:22px;display:block}
@media (min-width: 1024px){
  .chat-fab button{width:70px;height:70px}
  .chat-fab svg{width:32px;height:32px}
}

.chat-panel{position:fixed;right:18px;bottom:86px;width:min(360px, calc(100vw - 36px));border-radius:18px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.98);box-shadow:0 30px 80px rgba(16,24,40,.30);overflow:hidden;z-index:220;transform:translateY(8px);opacity:0;pointer-events:none;transition:opacity .18s ease, transform .18s ease}
.chat-panel[aria-hidden="false"]{opacity:1;transform:translateY(0);pointer-events:auto}
.chat-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px;border-bottom:1px solid rgba(16,24,40,.08)}
.chat-title{font-weight:950;letter-spacing:-.2px}
.chat-close{width:38px;height:38px;border-radius:14px;border:1px solid rgba(16,24,40,.12);background:#fff;color:var(--text);cursor:pointer;font-weight:900}
.chat-body{padding:12px 14px;max-height:320px;overflow:auto;color:var(--text)}
.chat-hint{color:var(--muted);line-height:1.5}
.chat-form{display:flex;gap:10px;padding:12px 14px;border-top:1px solid rgba(16,24,40,.08);background:#fff}
.chat-form input{flex:1;min-width:0}

/* Animations */
.reveal{opacity:0;transform:translateY(10px);transition:opacity .6s ease, transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

@media (max-width: 1100px){
  .navbar{grid-template-columns: 200px 1fr 240px}
  .grid{grid-template-columns:repeat(3,1fr)}
  .slide{grid-template-columns:1.1fr .9fr}
  .slide .title{font-size:26px}
  .slide .image{height:210px}
}

@media (max-width: 980px){
  .navbar{grid-template-columns: 1fr; gap:10px}
  .nav-left{display:flex;justify-content:center}
  .nav-center{order:3}
  .nav-right{order:2;justify-content:space-between}
  .brand-logo{height:32px;max-width:190px}
  .brand-tagline{max-width:260px}
  .hero{grid-template-columns:1fr}
  .grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr}
}

@media (max-width: 760px){
  .container{padding:18px 14px}
  .navbar{padding:12px 14px}
  .subnavbar{padding:10px 14px 14px}
  .slide{padding:16px;grid-template-columns:1fr}
  .slide .title{font-size:22px}
  .slide .desc{font-size:13px}
  .slide .image{height:180px}
  .slider-btn{width:38px;height:38px}
  .btn{padding:10px 12px}
  .search input{padding:11px 12px}
  .card{border-radius:16px}
  .product .img{height:160px}

  .t-actions{gap:8px}
  .t-btn{padding:8px 10px}
  .t-comment{padding:10px}
}

@media (max-width: 640px){
  .grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-col{flex-direction:column;align-items:stretch}
  .footer-box{min-width:0;width:100%}

  .t-head{flex-wrap:wrap}
  .t-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
  .t-btn{justify-content:center}
  .t-comments-form > div{flex-direction:column;align-items:stretch}
  .t-comments-form .btn{width:100%}
  .t-stars-input{width:100%;justify-content:center}
  .t-rating-label{width:100%;text-align:center}
}

@media (max-width: 420px){
  .container{padding:16px 12px}
  .slide .title{font-size:20px}
  .slider-btn{width:34px;height:34px}
  .brand-logo{height:30px}
  .brand-tagline{display:none}
  .t-actions{grid-template-columns:1fr}
  .t-star-btn{font-size:20px;padding:10px 10px}
}

@media (max-width: 980px){
  .navbar{grid-template-columns: 1fr; gap:10px}
  .nav-right{justify-content:space-between}
  .hero{grid-template-columns:1fr}
  .grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 520px){
  .grid{grid-template-columns:1fr}
  .slide{grid-template-columns:1fr}
  .slide .image{height:180px}
}