:root{
  --ink:#161a23;
  --muted:#68707e;
  --bg:#f6f5f2;
  --surface:#ffffff;
  --border:#eae8e2;
  --accent:#1f8a65;
  --accent-dark:#146146;
  --accent-soft:#e3f5ec;
  --blue:#1f5eff;
  --blue-dark:#1748c9;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(22,26,35,0.06);
  --shadow-md:0 8px 24px rgba(22,26,35,0.08);
  --shadow-lg:0 20px 45px rgba(22,26,35,0.12);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","PingFang TC","Hiragino Sans",sans-serif;
  background:var(--bg);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
}
h1,h2,h3,h4{font-weight:800;letter-spacing:-0.02em;line-height:1.2}
a{color:inherit}
.container{max-width:1120px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(246,245,242,0.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.logo{margin:0;font-size:1.25rem;color:var(--ink)}
.logo::before{content:"🚲 ";}
.nav{display:flex;align-items:center}
.nav a{
  margin-left:28px;color:var(--muted);text-decoration:none;font-weight:600;font-size:0.95rem;
  position:relative;padding-bottom:4px;transition:color .15s ease;
}
.nav a:hover{color:var(--ink)}
.nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:right;transition:transform .2s ease;
}
.nav a:hover::after{transform:scaleX(1);transform-origin:left}
.cart-wrap{margin-left:24px}
.cart-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--ink);color:#fff;border:none;padding:10px 16px;border-radius:999px;
  cursor:pointer;font-weight:600;font-size:0.9rem;transition:transform .15s ease,box-shadow .15s ease;
}
.cart-btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}
.cart-count{background:var(--accent);color:#fff;padding:1px 8px;border-radius:999px;font-size:0.78rem;font-weight:700}

/* Hero */
.hero{padding:100px 0 100px;background:url('images/wide-banner.png') center/cover no-repeat;}
.hero-inner{display:flex;align-items:center}
.hero-copy{
  flex:1;
  max-width:580px;
  background:rgba(255,255,255,0.85);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  padding:48px;
  border-radius:var(--radius-lg);
  box-shadow:0 16px 40px rgba(0,0,0,0.12);
  border:1px solid rgba(255,255,255,0.6);
}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;background:var(--accent-soft);color:var(--accent-dark);
  font-weight:700;font-size:0.82rem;padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.hero-copy h2{margin:0;font-size:2.6rem;max-width:520px}
.lead{color:var(--muted);margin-top:14px;font-size:1.08rem;max-width:460px}
.hero-actions{display:flex;align-items:center;gap:20px;margin-top:28px}
.cta{
  display:inline-flex;align-items:center;gap:8px;padding:14px 26px;
  background:var(--accent);color:#fff;border-radius:999px;text-decoration:none;font-weight:700;
  box-shadow:0 10px 24px rgba(232,98,44,0.35);transition:transform .15s ease,box-shadow .15s ease;
}
.cta:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(232,98,44,0.45)}
.hero-secondary{color:var(--ink);text-decoration:none;font-weight:600;font-size:0.95rem;border-bottom:2px solid var(--border);padding-bottom:2px}
.hero-secondary:hover{border-color:var(--ink)}



/* Deals banner */
.deals{padding:0 0 8px}
.deals-banner{
  display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;
  background:var(--surface);border:1px solid var(--border);
  padding:14px 18px;border-radius:999px;text-align:center;font-weight:600;font-size:0.95rem;
  box-shadow:var(--shadow-sm);
}
.deals-banner strong{color:var(--accent-dark)}

/* Section titles */
.products h3,.testimonials h3,.faq h3,.features h3{
  font-size:1.7rem;margin:0 0 24px;text-align:center;
}

.products{padding:64px 0 40px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.product-grid{gap:22px}

.card{
  background:var(--surface);padding:22px;border-radius:var(--radius);
  border:1px solid var(--border);box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}

.product{
  background:var(--surface);padding:20px;border-radius:var(--radius);
  border:1px solid var(--border);
  display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;
  box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease;
}
.product:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.product .img{
  width:100%;height:150px;background:linear-gradient(160deg,#f4f2ec,#eceae2);
  border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.product .img img{width:100%;height:100%;object-fit:cover;display:block}
.product h4{margin:8px 0 0;font-size:1.05rem}
.price{color:var(--accent-dark);font-weight:800;font-size:1.15rem;margin:0}
.add-cart{
  width:100%;margin-top:auto;padding:11px 12px;border-radius:999px;border:none;
  background:var(--blue);color:#fff;cursor:pointer;font-weight:700;font-size:0.92rem;
  transition:background .15s ease,transform .15s ease;
}
.add-cart:hover{background:var(--blue-dark);transform:translateY(-1px)}

.desc{color:var(--muted);font-size:0.92rem;text-align:center;margin:2px 0}
.specs{list-style:none;padding:0;margin:4px 0 6px;display:flex;flex-wrap:wrap;gap:6px;justify-content:center}
.specs li{
  background:var(--bg);border:1px solid var(--border);color:var(--muted);
  font-size:0.78rem;padding:4px 10px;border-radius:999px;
}

/* Testimonials */
.testimonials{padding:56px 0}
.testimonial{display:flex;flex-direction:column;gap:14px}
.testimonial .quote{font-style:normal;color:var(--ink);font-size:1rem;margin:0}
.testimonial .quote::before{content:"“";color:var(--accent);font-size:1.4rem;margin-right:2px}
.testimonial .who{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:0.88rem;margin:0}
.testimonial .who::before{
  content:attr(data-initial);
  width:32px;height:32px;border-radius:50%;background:var(--accent-soft);color:var(--accent-dark);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.85rem;flex-shrink:0;
}

/* FAQ */
.faq{padding:56px 0}
.faq dl{
  background:var(--surface);padding:6px 20px;border-radius:var(--radius);
  border:1px solid var(--border);box-shadow:var(--shadow-sm);
}
.faq-question{
  cursor:pointer;padding:16px 28px 16px 0;border-bottom:1px solid var(--border);
  font-weight:700;position:relative;
}
.faq dl > .faq-question:last-of-type{border-bottom:none}
.faq-question::after{
  content:"+";position:absolute;right:0;top:14px;font-size:1.3rem;color:var(--accent);
  transition:transform .2s ease;font-weight:400;
}
.faq-question.open::after{transform:rotate(45deg)}
.faq-question.open{border-bottom:none}
.faq-answer{padding:0 0 18px;margin:0;display:none;color:var(--muted);border-bottom:1px solid var(--border)}
.faq-question.open + .faq-answer{display:block}
.faq dd.faq-answer:last-child{border-bottom:none}

/* How it works */
.features{padding:56px 0 72px}
.features .card{text-align:center;position:relative;padding-top:44px}
.features .card h4{margin:0 0 8px}
.features .card p{margin:0;color:var(--muted)}
.features .grid > .card:nth-child(1)::before{content:"1"}
.features .grid > .card:nth-child(2)::before{content:"2"}
.features .grid > .card:nth-child(3)::before{content:"3"}
.features .card::before{
  position:absolute;top:-18px;left:50%;transform:translateX(-50%);
  width:36px;height:36px;border-radius:50%;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:0.95rem;
  box-shadow:var(--shadow-md);
}

/* Cart drawer */
.cart-drawer{
  position:fixed;right:0;top:0;height:100%;width:340px;background:var(--surface);
  box-shadow:-16px 0 40px rgba(22,26,35,0.18);transform:translateX(100%);
  transition:transform .28s ease;z-index:60;
}
.cart-drawer.open{transform:translateX(0)}
.cart-inner{padding:24px;display:flex;flex-direction:column;height:100%}
.cart-inner h4{margin:0 0 18px;font-size:1.2rem}
.cart-list{flex:1;list-style:none;padding:0;margin:0;overflow:auto}
.cart-list li{
  display:flex;justify-content:space-between;align-items:center;
  padding:12px 0;border-bottom:1px solid var(--border);font-size:0.92rem;
}
.cart-list li button{
  background:none;border:1px solid var(--border);color:var(--muted);border-radius:999px;
  padding:4px 10px;font-size:0.78rem;cursor:pointer;transition:border-color .15s ease,color .15s ease;
}
.cart-list li button:hover{border-color:var(--accent);color:var(--accent-dark)}
.cart-footer{margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}
.subtotal{font-weight:800;margin-bottom:14px;font-size:1.05rem;display:flex;justify-content:space-between}
.cart-actions{display:flex;gap:10px}
.btn-primary{
  flex:1;padding:12px;border:none;background:var(--accent);color:#fff;border-radius:999px;
  cursor:pointer;font-weight:700;transition:background .15s ease,transform .15s ease;
}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px)}
.btn-secondary{
  padding:12px 16px;border:1px solid var(--border);background:#fff;color:var(--ink);border-radius:999px;
  cursor:pointer;font-weight:600;transition:border-color .15s ease;
}
.btn-secondary:hover{border-color:var(--ink)}

/* About */
.about{padding:64px 0}
.about h3{margin-top:0;font-size:2rem;text-align:center;margin-bottom:32px}
.about-content{max-width:720px;margin:0 auto;color:var(--muted);font-size:1.05rem;line-height:1.7}
.about-content p{margin-top:0;margin-bottom:16px}

/* Footer */
.site-footer{padding:48px 0 24px;color:var(--muted);font-size:0.9rem;border-top:1px solid var(--border)}
.footer-grid{display:flex;justify-content:space-between;text-align:left;gap:40px;margin-bottom:32px;padding-bottom:32px;border-bottom:1px solid var(--border)}
.footer-info h4, .footer-contact h4{margin:0 0 12px;color:var(--ink);font-size:1.1rem}
.footer-info p{margin:0;line-height:1.6}
.footer-contact address{font-style:normal;line-height:1.6}
.footer-bottom{text-align:center;font-size:0.85rem}

@media (max-width:800px){
  .hero{padding:40px 0 32px}
  .hero-inner{flex-direction:column}
  .hero-copy{text-align:center;padding:32px 24px}
  .hero-copy .lead{margin-left:auto;margin-right:auto}
  .hero-actions{justify-content:center}
  .hero-visual{max-width:300px}
  .product .img{width:100%;height:140px}
  .deals-banner{font-size:0.9rem;border-radius:16px}
  .cart-drawer{width:100%}
  .footer-grid{flex-direction:column;text-align:center;gap:32px}
}