:root {
  --bg: #f2f6f3;
  --bg-alt: #e5efe8;
  --fg: #1f2a24;
  --muted: #6a7a6e;
  --accent: #3b7c5c;
  --accent-soft: #c4e1d1;
  --border: #d0ddd3;
  --danger: #b64242;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --shadow-soft: 0 18px 40px rgba(15, 35, 24, 0.12);
  --shadow-light: 0 8px 20px rgba(15, 35, 24, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #f7fbf8, #edf3ee);
  color: var(--fg);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1120px, 100% - 32px);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(242, 246, 243, 0.9);
  border-bottom: 1px solid rgba(208, 221, 211, 0.9);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--fg);
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), #284f3c);
  color: white;
  font-size: 14px;
}

.nav {
  display: flex;
  gap: 18px;
  font-size: 14px;
}

.nav a {
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--muted);
}

.nav a:hover {
  background: var(--accent-soft);
  color: var(--fg);
}

.cart-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 14px;
  color: var(--fg);
  background: #f7faf8;
}

.cart-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  font-size: 12px;
}

main {
  padding-bottom: 64px;
}

.section {
  padding: 40px 0;
}

.section-alt {
  background: radial-gradient(circle at top right, #f3f9f5, #e5efe8);
}

.section h1,
.section h2 {
  margin-top: 0;
}

.section-intro {
  max-width: 720px;
  color: var(--muted);
  margin-bottom: 24px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 40px;
  padding: 36px 0 12px;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(30px, 3vw, 36px);
  line-height: 1.2;
  margin-bottom: 12px;
}

.hero-text p {
  color: var(--muted);
}

.hero-list {
  margin: 16px 0;
  padding-left: 20px;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 10px;
}

.hero-note {
  font-size: 13px;
  color: var(--muted);
}

.hero-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  background: radial-gradient(circle at top, #cfe6d7, #90b69c);
  padding: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  border: none;
  outline: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.1s ease;
  text-decoration: none;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), #284f3c);
  color: white;
  box-shadow: var(--shadow-light);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.btn.secondary {
  background: #f7faf8;
  color: var(--fg);
  border: 1px solid var(--border);
}

.btn.secondary:hover {
  background: #eef4f0;
}

.btn.ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
}

.btn.ghost:hover {
  background: #eef4f0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.product-card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-md);
  padding: 18px 18px 16px;
  border: 1px solid rgba(208, 221, 211, 0.9);
  box-shadow: var(--shadow-light);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.product-img {
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}

.product-meta {
  font-size: 13px;
  color: var(--muted);
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.2fr);
  gap: 32px;
  align-items: start;
}

.product-detail-media {
  border-radius: var(--radius-lg);
  padding: 18px;
  background: linear-gradient(145deg, #d7eadf, #f3f8f4);
  box-shadow: var(--shadow-soft);
}

.product-detail-info h1 {
  margin-top: 0;
}

.product-extra {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
}

.product-note {
  font-size: 13px;
  color: var(--muted);
  margin-top: 10px;
}

.tips-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 28px;
}

.bullet-list {
  padding-left: 20px;
}

.numbered-list {
  padding-left: 20px;
}

.lead-form {
  margin-top: 8px;
  padding: 18px 18px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(208, 221, 211, 0.9);
  box-shadow: var(--shadow-light);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

label {
  font-size: 13px;
  color: var(--muted);
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
  border-radius: 999px;
  border: 1px solid var(--border);
  padding: 9px 12px;
  font-size: 14px;
  outline: none;
  background: #f9fbfa;
}

textarea {
  border-radius: 14px;
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(59, 124, 92, 0.25);
  background: #ffffff;
}

.form-note {
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
}

.cart-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.cart-table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-light);
}

.cart-table th,
.cart-table td {
  padding: 10px 12px;
  font-size: 14px;
  text-align: left;
}

.cart-table thead {
  background: var(--bg-alt);
}

.cart-table tbody tr:nth-child(even) {
  background: #f8fbf9;
}

.cart-table button {
  font-size: 12px;
}

.cart-empty {
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
}

.cart-summary {
  padding: 18px 18px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(208, 221, 211, 0.9);
  box-shadow: var(--shadow-light);
}

.cart-total {
  font-weight: 600;
  margin-bottom: 10px;
}

.site-footer {
  border-top: 1px solid rgba(208, 221, 211, 0.9);
  padding: 24px 0 18px;
  background: #f3f7f4;
  margin-top: 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.4fr 1.1fr;
  gap: 22px;
  font-size: 13px;
  color: var(--muted);
}

.footer-grid h4 {
  margin: 0 0 6px;
  color: var(--fg);
}

.footer-bottom {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid rgba(208, 221, 211, 0.9);
  font-size: 12px;
  color: var(--muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
  gap: 28px;
}

.contact-list {
  padding-left: 18px;
}

.contact-list li {
  margin-bottom: 6px;
}

@media (max-width: 880px) {
  .hero,
  .product-grid,
  .product-detail,
  .tips-grid,
  .cart-layout,
  .footer-grid,
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    padding-top: 22px;
  }

  .hero-media {
    order: -1;
  }

  .nav {
    display: none;
  }
}

@media (max-width: 600px) {
  .section {
    padding: 28px 0;
  }

  .header-inner {
    padding: 10px 0;
  }

  .product-card {
    padding: 14px;
  }

  .lead-form {
    padding: 14px;
  }
}