:root {
  --bg: #f4efe6;
  --ink: #1c1915;
  --muted: #6f675e;
  --line: #e4d9c8;
  --card: #fffdf8;
  --accent: #c4512c;
  --accent-dark: #9a3b1d;
  --ok: #1f7a4d;
  --danger: #9d2c2c;
  --shadow: 0 10px 30px rgba(60, 40, 20, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #ffe7c7 0%, transparent 55%),
    radial-gradient(900px 420px at 100% 0%, #f7d7c8 0%, transparent 50%),
    var(--bg);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

a { color: inherit; }

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 calc(88px + env(safe-area-inset-bottom));
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
  margin-bottom: 22px;
}

.brand {
  font-weight: 700;
  letter-spacing: -0.03em;
  text-decoration: none;
  margin-right: auto;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.nav a[aria-current="page"] { color: var(--accent-dark); font-weight: 650; }

h1 {
  margin: 0;
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1.25;
  letter-spacing: -0.03em;
}

.lead {
  max-width: 40em;
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.searchbar, .filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 22px;
}

.searchbar input[type="search"], .filters input[type="number"] {
  flex: 1;
  min-width: 180px;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 12px 16px;
  font: inherit;
  color: inherit;
}

.filters input[type="number"] { flex: 0 0 120px; min-width: 0; border-radius: 12px; }

button, .btn {
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  font: inherit;
  padding: 12px 18px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button.ghost, .btn.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

button:disabled { opacity: 0.55; cursor: not-allowed; }

.chips, .sorts, .tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }

.tabs { margin-top: 28px; }

button.tab {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 8px 14px;
}

button.tab[aria-selected="true"] {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.tab-panel .section:first-child,
.tab-panel .panel:first-child { margin-top: 18px; }

.chip {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 12px;
  font: inherit;
  cursor: pointer;
}

.chip[aria-pressed="true"] {
  background: #fff4ec;
  border-color: #e7b79f;
  color: var(--accent-dark);
}

.check {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  color: var(--muted);
  font-size: 14px;
}

.section { margin-top: 34px; }

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 12px;
}

.section-head h2 { margin: 0; font-size: 20px; }

.section-head a { color: var(--accent-dark); font-size: 14px; }

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  min-width: 0;
}

.thumb {
  aspect-ratio: 1;
  background: #f6efe4 center/cover no-repeat;
}

.thumb.logo {
  background-size: 46% auto;
}

.benefit-head {
  display: flex;
  gap: 14px;
  align-items: center;
}

.shop-logo {
  width: 56px;
  height: 56px;
  flex: none;
  border-radius: 14px;
  background: #f6efe4 center/cover no-repeat;
  border: 1px solid var(--line);
}

.benefit-text { min-width: 0; }

.benefit-text h3 { margin: 6px 0; }

.benefit-text p { margin: 0; }

.card .body { padding: 12px; display: flex; flex-direction: column; gap: 8px; min-width: 0; }

.card.rich .gallery { padding: 8px 8px 0; }

.card.rich .hero { border-radius: 12px; }

.card.rich .thumbs button { width: 40px; height: 40px; border-radius: 8px; }

.card.rich .body { padding: 10px; gap: 6px; }

.card-name {
  margin: 0;
  font-size: 14px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card.rich .price strong { font-size: 16px; }

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card .banner { margin-top: 0; padding: 8px 10px; font-size: 12px; }

.facts-box h4, .promos h4 { margin: 0; font-size: 13px; }

.card .facts { grid-template-columns: 52px minmax(0, 1fr); gap: 4px 8px; font-size: 12px; }

.card .facts dd { min-width: 0; overflow-wrap: anywhere; }

.card .promo { font-size: 12px; padding: 6px 0; }

.shop, .muted { color: var(--muted); font-size: 12px; }

.title {
  font-size: 14px;
  line-height: 1.45;
  text-decoration: none;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.price { display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: baseline; }

.price strong { color: var(--accent-dark); font-size: 18px; }

.price s, .was { color: var(--muted); font-size: 12px; }

.save { color: var(--ok); font-size: 12px; }

.tags { display: flex; flex-wrap: wrap; gap: 6px; }

.tag {
  font-size: 11px;
  color: var(--muted);
  background: #f7f1e8;
  border-radius: 999px;
  padding: 3px 8px;
}

.actions { display: flex; gap: 8px; }

.actions .btn, .actions button { flex: 1; padding: 8px 10px; font-size: 13px; }

.note, .banner, .empty, .error {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  background: #fff7ee;
  color: var(--muted);
  line-height: 1.6;
}

.error { background: #fff1f0; color: var(--danger); }

.detail {
  display: grid;
  grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
  gap: 28px;
  margin-top: 18px;
}

.gallery { display: grid; gap: 10px; }

.gallery .hero {
  aspect-ratio: 1;
  border-radius: 20px;
  background: #f6efe4 center/cover no-repeat;
  border: 1px solid var(--line);
}

.thumbs { display: flex; gap: 8px; overflow: auto; }

.thumbs button {
  width: 64px;
  height: 64px;
  padding: 0;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #f6efe4 center/cover no-repeat;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  margin-top: 14px;
}

.panel h2 { margin: 0 0 10px; font-size: 16px; }

.promo { padding: 10px 0; border-top: 1px solid var(--line); }
.promo:first-of-type { border-top: 0; }

.facts { display: grid; grid-template-columns: 88px 1fr; gap: 8px 12px; margin: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }

.sticky {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: rgba(255, 253, 248, 0.94);
  border-top: 1px solid var(--line);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 84px;
  transform: translateX(-50%);
  background: var(--ink);
  color: white;
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 14px;
}

@media (max-width: 980px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .grid:has(.card.rich) { grid-template-columns: 1fr; }
  .grid { gap: 10px; }
  .card .body { padding: 10px; }
  .title { font-size: 13px; }
  .price strong { font-size: 16px; }
}