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

:root {
  --mango-yellow: #FFB347;
  --mango-orange: #FF6B35;
  --mango-dark: #E65100;
  --bg-light: #FFF8E7;
  --text-dark: #5D4037;
  --text-light: #FFF8E7;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background: var(--bg-light);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 5%;
  background: linear-gradient(135deg, var(--mango-dark), var(--mango-orange));
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--text-light);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-links a {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.3s;
}

.nav-links a:hover {
  opacity: 0.8;
}

.hamburger {
  display: none;
  color: var(--text-light);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--mango-yellow) 0%, var(--mango-orange) 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px 20px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3rem;
  color: var(--text-light);
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.hero p {
  font-size: 1.3rem;
  color: var(--text-light);
  margin-bottom: 40px;
  opacity: 0.95;
}

.btn {
  display: inline-block;
  padding: 15px 50px;
  background: var(--mango-dark);
  color: var(--text-light);
  text-decoration: none;
  border-radius: 50px;
  font-weight: bold;
  font-size: 1.1rem;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 4px 15px rgba(230,81,0,0.4);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(230,81,0,0.5);
}

/* Products */
.products {
  padding: 80px 0;
  background: #fff;
}

.products h2 {
  text-align: center;
  font-size: 2.2rem;
  color: var(--mango-dark);
  margin-bottom: 50px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.product-card {
  background: var(--bg-light);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(255,179,71,0.2);
  transition: transform 0.3s;
}

.product-card:hover {
  transform: translateY(-8px);
}

.product-img {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.emoji {
  font-size: 5rem;
}

.product-card h3 {
  padding: 20px 20px 10px;
  color: var(--mango-dark);
  font-size: 1.3rem;
}

.price {
  padding: 0 20px;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--mango-orange);
}

.desc {
  padding: 10px 20px 20px;
  color: #888;
  font-size: 0.95rem;
}

/* About */
.about {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--bg-light) 0%, #FFF3E0 100%);
}

.about h2 {
  text-align: center;
  font-size: 2.2rem;
  color: var(--mango-dark);
  margin-bottom: 50px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
}

.feature {
  text-align: center;
  padding: 30px;
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 3px 15px rgba(255,179,71,0.15);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 15px;
}

.feature h3 {
  color: var(--mango-dark);
  margin-bottom: 10px;
}

.feature p {
  color: #777;
}

/* Contact */
.contact {
  padding: 80px 0;
  background: var(--mango-orange);
  color: var(--text-light);
}

.contact h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 50px;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.contact-info p {
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 15px;
  margin-bottom: 15px;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form button {
  width: 100%;
  padding: 15px;
  background: var(--mango-dark);
  color: var(--text-light);
  border: none;
  border-radius: 10px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s;
}

.contact-form button:hover {
  background: #BF360C;
}

/* Footer */
footer {
  background: var(--mango-dark);
  color: var(--text-light);
  text-align: center;
  padding: 30px 0;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hamburger {
    display: block;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .product-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .contact-content {
    grid-template-columns: 1fr;
  }
}