/* 宾川柑橘 - 橙色+金色主题，硕果丰收风格 */
:root {
  --orange: #e67e22;
  --orange-dark: #d35400;
  --orange-light: #f39c12;
  --gold: #f1c40f;
  --gold-dark: #d4a017;
  --cream: #fef9ef;
  --text: #3a2a1a;
  --white: #ffffff;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--cream);
  color: var(--text);
  line-height: 1.7;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #d35400 0%, #e67e22 30%, #f39c12 60%, #f1c40f 100%);
}
.hero-content { position: relative; z-index: 2; }
.badge {
  display: inline-block;
  background: rgba(255,255,255,0.25);
  color: var(--white);
  padding: 6px 20px;
  border-radius: 50px;
  font-size: 0.9rem;
  letter-spacing: 3px;
  margin-bottom: 24px;
  backdrop-filter: blur(6px);
}
.hero h1 {
  font-size: clamp(2.2rem, 7vw, 4rem);
  color: var(--white);
  font-weight: 800;
  letter-spacing: 6px;
  text-shadow: 0 4px 20px rgba(0,0,0,0.2);
  margin-bottom: 16px;
}
.subtitle {
  font-size: clamp(1rem, 3vw, 1.3rem);
  color: rgba(255,255,255,0.9);
  letter-spacing: 4px;
}

/* Nav */
.top-nav {
  background: var(--orange-dark);
  display: flex;
  position: sticky;
  top: 0;
  z-index: 100;
}
.top-nav a {
  flex: 1;
  padding: 15px;
  color: var(--white);
  text-decoration: none;
  text-align: center;
  font-size: 0.95rem;
  letter-spacing: 2px;
  transition: background 0.3s;
}
.top-nav a:hover { background: rgba(255,255,255,0.15); }

/* Banner */
.banner {
  background: linear-gradient(135deg, #f39c12, #e67e22);
  padding: 60px 20px;
  text-align: center;
  color: var(--white);
}
.banner h2 { font-size: 1.8rem; margin-bottom: 12px; }
.banner p { opacity: 0.9; }

/* Sections */
section { padding: 80px 0; }
h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 40px;
  color: var(--orange-dark);
}
h2::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: var(--gold);
  margin: 12px auto 0;
}

/* Products */
.section-products { background: var(--white); }
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 28px;
}
.product {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(211,84,0,0.12);
  transition: transform 0.3s, box-shadow 0.3s;
}
.product:hover { transform: translateY(-6px); box-shadow: 0 14px 40px rgba(211,84,0,0.2); }
.product-img { height: 180px; }
.orange1 { background: linear-gradient(135deg, #e67e22, #f39c12); }
.orange2 { background: linear-gradient(135deg, #d35400, #e67e22, #f1c40f); }
.orange3 { background: linear-gradient(135deg, #f39c12, #f1c40f, #ffeaa7); }
.orange4 { background: linear-gradient(135deg, #e67e22, #d35400, #c0392b); }
.product-info { padding: 20px; background: var(--white); }
.product-info h3 { color: var(--orange-dark); font-size: 1.1rem; margin-bottom: 6px; }
.product-info p { font-size: 0.88rem; color: #777; margin-bottom: 10px; }
.tag {
  display: inline-block;
  background: var(--gold);
  color: #5a3a00;
  font-size: 0.75rem;
  padding: 2px 10px;
  border-radius: 50px;
}

/* Farm */
.section-farm { background: var(--cream); }
.farm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.farm-text h3 { color: var(--orange-dark); font-size: 1.3rem; margin-bottom: 16px; }
.farm-text p { color: #666; margin-bottom: 20px; font-size: 0.95rem; }
.farm-text ul { list-style: none; }
.farm-text ul li {
  padding: 8px 0;
  color: #555;
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(211,84,0,0.1);
}
.farm-img {
  height: 300px;
  border-radius: 16px;
  background: linear-gradient(135deg, #e67e22, #f39c12, #f1c40f);
  box-shadow: 0 8px 30px rgba(230,126,34,0.3);
}

/* Stats */
.section-stats { background: linear-gradient(135deg, var(--orange-dark), var(--orange)); color: var(--white); }
.section-stats h2 { color: var(--white); }
.section-stats h2::after { background: var(--gold); }
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stat .num { font-size: 2.8rem; font-weight: 800; color: var(--gold); }
.stat .unit { font-size: 1rem; margin-left: 4px; }
.stat p { opacity: 0.8; font-size: 0.9rem; margin-top: 4px; }

/* Contact */
.section-contact { background: var(--white); }
.contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.ccard {
  background: var(--cream);
  border-radius: 16px;
  padding: 30px;
  text-align: center;
  border: 2px solid rgba(230,126,34,0.1);
  transition: border-color 0.3s;
}
.ccard:hover { border-color: var(--orange); }
.ccard span { font-size: 2.5rem; display: block; margin-bottom: 12px; }
.ccard strong { color: var(--orange-dark); font-size: 0.95rem; letter-spacing: 1px; }
.ccard p { color: #555; margin-top: 8px; font-size: 0.9rem; }

/* Footer */
footer { background: var(--orange-dark); color: rgba(255,255,255,0.7); text-align: center; padding: 24px; font-size: 0.85rem; }

/* Responsive */
@media (max-width: 768px) {
  .farm-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  section { padding: 60px 0; }
}
@media (max-width: 480px) {
  .top-nav a { font-size: 0.85rem; padding: 12px 8px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}