:root {
  --bg: #f7f4ed;
  --ink: #151515;
  --muted: #68635b;
  --line: #ded8cc;
  --panel: #fffaf1;
  --green: #1d7a5f;
  --blue: #2756d8;
  --red: #d94235;
  --gold: #c98716;
  --shadow: 0 20px 50px rgba(37, 30, 18, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 10%, rgba(255, 255, 255, 0.8), transparent 26rem),
    linear-gradient(135deg, #f7f4ed 0%, #fffaf1 48%, #eef6f2 100%);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.5;
}

body.modal-open {
  overflow: hidden;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 5vw, 64px);
  background: rgba(247, 244, 237, 0.86);
  border-bottom: 1px solid rgba(222, 216, 204, 0.8);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: #fff;
  background: var(--ink);
  border-radius: 8px;
}

.brand-text {
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 3vw, 28px);
  color: var(--muted);
  font-size: 14px;
}

.nav a,
.contact-nav-button {
  text-decoration: none;
}

.contact-nav-button {
  min-height: 38px;
  padding: 0 16px;
  color: #fff;
  background: var(--green);
  border: 1px solid var(--green);
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-weight: 850;
  box-shadow: 0 10px 24px rgba(29, 122, 95, 0.2);
}

.section-kicker {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h2,
h3,
p {
  margin-top: 0;
}

.section {
  padding: clamp(42px, 7vw, 82px) clamp(18px, 5vw, 64px);
  border-top: 1px solid rgba(222, 216, 204, 0.8);
}

.section-heading,
.support {
  display: grid;
  grid-template-columns: minmax(220px, 0.38fr) minmax(0, 1fr);
  gap: clamp(20px, 5vw, 72px);
  align-items: start;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1;
  letter-spacing: 0;
}

.products-section {
  padding-top: clamp(44px, 8vw, 84px);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
  align-items: center;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.filter-button {
  min-height: 38px;
  padding: 0 14px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-weight: 750;
}

.filter-button.active {
  color: #fff;
  background: var(--green);
  border-color: var(--green);
}

.sort-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding-left: 12px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 750;
}

.sort-control select {
  height: 36px;
  padding: 0 34px 0 10px;
  color: var(--ink);
  background: transparent;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

.sort-control select:focus {
  outline: 2px solid rgba(29, 122, 95, 0.28);
  outline-offset: 2px;
}

.product-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  min-height: 100%;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(37, 30, 18, 0.08);
}

.product-media {
  position: relative;
  aspect-ratio: 1 / 0.76;
  overflow: hidden;
  background: #eee5d8;
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.badge {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 5px 9px;
  color: #fff;
  background: rgba(21, 21, 21, 0.86);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.product-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 18px;
}

.product-title {
  margin: 0;
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: 0;
}

.product-summary {
  display: -webkit-box;
  min-height: 72px;
  overflow: hidden;
  color: var(--muted);
  font-size: 14px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.pill {
  padding: 5px 8px;
  color: #514a42;
  background: #f0e9dc;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 750;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.price {
  color: var(--red);
  font-size: 28px;
  font-weight: 900;
  line-height: 1;
}

.price small {
  font-size: 14px;
}

.buy-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  min-height: 40px;
  padding: 0 14px;
  color: #fff;
  background: var(--blue);
  border-radius: 8px;
  font-weight: 850;
  text-decoration: none;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.support-grid > div {
  padding: 18px;
  background: rgba(255, 250, 241, 0.76);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.support-grid h3 {
  margin-bottom: 8px;
  font-size: 17px;
}

.support-grid p {
  margin-bottom: 0;
  color: var(--muted);
}

.contact-qr-large {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(21, 21, 21, 0.48);
}

.modal-backdrop[hidden] {
  display: none;
}

.contact-modal {
  position: relative;
  width: min(420px, 100%);
  padding: 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-modal h2 {
  margin-bottom: 18px;
  font-size: 34px;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--ink);
  background: #f0e9dc;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
}

.contact-qr-large {
  max-width: 300px;
  margin: 0 auto;
}

.contact-hint {
  margin: 16px 0 0;
  color: var(--muted);
  text-align: center;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 28px clamp(18px, 5vw, 64px);
  color: var(--muted);
  border-top: 1px solid rgba(222, 216, 204, 0.8);
}

.site-footer a {
  text-decoration: none;
}

@media (max-width: 1100px) {
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .section-heading,
  .support {
    grid-template-columns: 1fr;
  }

  .toolbar {
    justify-content: flex-start;
    align-items: flex-start;
    flex-direction: column;
  }

  .filter-group {
    justify-content: flex-start;
  }

  .support-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
  }

  .contact-nav-button {
    padding: 0 12px;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .buy-link {
    width: 100%;
  }
}