:root{
  --sea:#0ea5a3;
  --sea-dark:#047b7a;
  --orange:#ff7a1a;
  --yellow:#ffd166;
  --blue:#2563eb;
  --ink:#0f172a;
  --soft:#f4fbfb;
  --card:#ffffff;
  --muted:#64748b;
  --line:#dbeafe;
  --shadow:0 16px 45px rgba(15,23,42,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 10% 0%,rgba(14,165,163,.14),transparent 28%),
    radial-gradient(circle at 90% 18%,rgba(255,122,26,.12),transparent 26%),
    linear-gradient(180deg,#f7fffe 0%,#f8fafc 42%,#ffffff 100%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.top-ribbon{
  background:linear-gradient(90deg,var(--sea),#14b8a6,var(--orange));
  color:white;
  text-align:center;
  font-size:13px;
  font-weight:700;
  padding:9px 12px;
}
.shop-header{
  position:sticky;
  top:0;
  z-index:50;
  display:grid;
  grid-template-columns:170px 1fr auto;
  gap:20px;
  align-items:center;
  padding:15px clamp(16px,4vw,54px);
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(14,165,163,.14);
  box-shadow:0 8px 28px rgba(15,23,42,.06);
}
.shop-logo img{width:155px;height:auto}
.search-box{
  display:flex;
  min-height:44px;
  border:2px solid rgba(14,165,163,.22);
  border-radius:999px;
  overflow:hidden;
  background:#fff;
}
.search-box input{
  flex:1;
  border:0;
  outline:0;
  padding:0 18px;
  font-size:15px;
  min-width:0;
}
.search-box button{
  border:0;
  padding:0 22px;
  font-weight:800;
  color:white;
  background:linear-gradient(135deg,var(--sea),var(--sea-dark));
  cursor:pointer;
}
.shop-nav{display:flex;gap:15px;font-size:14px;font-weight:700;color:#334155}
.shop-nav a:hover{color:var(--sea-dark)}
.promo-hero{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(310px,.85fr);
  gap:28px;
  align-items:center;
  padding:42px clamp(16px,4vw,54px) 26px;
}
.hero-text{
  min-height:430px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:34px;
  border-radius:34px;
  background:
    linear-gradient(135deg,rgba(255,255,255,.92),rgba(255,255,255,.72)),
    radial-gradient(circle at 0 0,rgba(255,209,102,.30),transparent 38%);
  box-shadow:var(--shadow);
  border:1px solid rgba(14,165,163,.14);
}
.tag{
  width:max-content;
  max-width:100%;
  display:inline-flex;
  padding:8px 14px;
  border-radius:999px;
  background:#ecfeff;
  color:var(--sea-dark);
  font-size:13px;
  font-weight:900;
  letter-spacing:.06em;
  text-transform:uppercase;
  margin-bottom:16px;
}
.hero-text h1{
  margin:0;
  font-size:clamp(32px,5.4vw,62px);
  line-height:1.03;
  letter-spacing:-.045em;
}
.hero-text p{
  margin:18px 0 0;
  color:#475569;
  font-size:18px;
  line-height:1.75;
  max-width:760px;
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.primary-btn,.secondary-btn{
  border-radius:14px;
  padding:13px 18px;
  font-weight:900;
  box-shadow:0 10px 24px rgba(15,23,42,.08);
}
.primary-btn{background:linear-gradient(135deg,var(--orange),#fb923c);color:white}
.secondary-btn{background:#fff;color:var(--sea-dark);border:1px solid rgba(14,165,163,.20)}
.feature-card{
  border-radius:30px;
  padding:16px;
  background:#fff;
  box-shadow:var(--shadow);
  border:1px solid rgba(37,99,235,.10);
  transform:rotate(1deg);
}
.feature-card img{border-radius:22px;aspect-ratio:1/1;object-fit:cover}
.product-badge{
  position:absolute;
  z-index:2;
  margin:14px;
  padding:8px 13px;
  border-radius:999px;
  background:var(--orange);
  color:white;
  font-size:12px;
  font-weight:900;
}
.rating-row{
  display:flex;
  justify-content:space-between;
  gap:14px;
  align-items:center;
  padding:16px 4px 4px;
}
.rating-row span{color:#f59e0b;letter-spacing:1px}
.feature-card p{color:var(--muted);line-height:1.65;margin:6px 4px 10px}
.category-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
  padding:12px clamp(16px,4vw,54px) 34px;
}
.category-bar a{
  display:grid;
  gap:4px;
  padding:20px;
  border-radius:22px;
  background:white;
  border:1px solid rgba(14,165,163,.12);
  box-shadow:0 10px 24px rgba(15,23,42,.06);
  transition:.25s ease;
}
.category-bar a:hover{transform:translateY(-4px);border-color:rgba(255,122,26,.34)}
.category-bar b{font-size:17px}
.category-bar small{color:var(--muted);line-height:1.5}
.market-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:24px;
  width:min(1180px,calc(100% - 32px));
  margin:0 auto 38px;
  align-items:start;
}
.content-card,.seller-card,.recommend-strip{
  background:white;
  border-radius:28px;
  border:1px solid rgba(15,23,42,.08);
  box-shadow:var(--shadow);
}
.content-card{padding:34px}
.breadcrumb{
  color:var(--muted);
  font-size:13px;
  margin-bottom:16px;
}
.content-card h1{
  margin:0 0 18px;
  font-size:clamp(30px,4.5vw,48px);
  line-height:1.12;
  letter-spacing:-.025em;
}
.content-card h2{
  margin:30px 0 10px;
  font-size:clamp(23px,3vw,32px);
  line-height:1.22;
  color:var(--sea-dark);
}
.content-card p{
  color:#334155;
  font-size:17px;
  line-height:1.86;
  margin:0 0 18px;
}
.content-card a{
  color:var(--sea-dark);
  font-weight:900;
  border-bottom:2px solid rgba(255,122,26,.55);
}
.side-panel{
  position:sticky;
  top:92px;
  display:grid;
  gap:16px;
}
.seller-card{padding:24px}
.seller-card h2{margin:0 0 12px;font-size:22px}
.seller-card ul{margin:0;padding-left:20px;color:#475569;line-height:1.8}
.seller-card p{color:#475569;line-height:1.75;margin:0}
.seller-card.accent{
  background:linear-gradient(135deg,#ecfeff,#fff7ed);
  border-color:rgba(255,122,26,.20);
}
.recommend-strip{
  width:min(1180px,calc(100% - 32px));
  margin:0 auto 44px;
  padding:28px;
}
.recommend-strip h2{margin:0 0 18px;font-size:28px}
.mini-products{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}
.mini-products div{
  padding:18px;
  border-radius:18px;
  background:#f8fafc;
  border:1px solid rgba(14,165,163,.10);
}
.mini-products b{display:block;margin-bottom:6px}
.mini-products span{color:var(--muted);line-height:1.6}
.shop-footer{
  text-align:center;
  padding:34px 16px;
  color:#64748b;
  border-top:1px solid rgba(15,23,42,.08);
  background:#fff;
}
@media(max-width:900px){
  .shop-header{grid-template-columns:1fr;gap:12px}
  .shop-logo img{width:140px}
  .shop-nav{overflow:auto;padding-bottom:2px}
  .promo-hero,.market-layout{grid-template-columns:1fr}
  .side-panel{position:static}
  .feature-card{transform:none}
  .category-bar,.mini-products{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .top-ribbon{font-size:12px}
  .promo-hero{padding-top:22px}
  .hero-text{padding:24px;min-height:auto;border-radius:24px}
  .hero-text p{font-size:16px}
  .category-bar,.mini-products{grid-template-columns:1fr}
  .content-card{padding:22px;border-radius:22px}
}