* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #1c1f26;
  line-height: 1.6;
  background: #fff;
}
a { color: #e4772e; text-decoration: none; }
a:hover { text-decoration: underline; }

.nav { border-bottom: 1px solid #eee; }
.nav-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-icon-btn { display: block; cursor: pointer; list-style: none; }
.nav-icon-btn::-webkit-details-marker { display: none; }
.nav-icon-btn img { height: 44px; display: block; }

.nav-menu { position: relative; }
.nav-menu-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  padding: 8px;
  min-width: 160px;
  z-index: 10;
}
.nav-menu-dropdown a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: #1c1f26;
  font-weight: 500;
}
.nav-menu-dropdown a:hover { background: #f7f7f8; color: #e4772e; text-decoration: none; }

.hero {
  text-align: center;
  background: #f7f7f8;
}
.hero-inner { max-width: 700px; margin: 0 auto; padding: 90px 20px 80px; }
.hero-logo { width: 500px; max-width: 100%; margin: 0 auto 36px; display: block; }
.hero h1 { font-size: 2.2rem; margin-bottom: 14px; }
.hero p { color: #555; font-size: 1.1rem; }

.products {
  max-width: 1000px;
  margin: 0 auto;
  padding: 70px 20px;
}
.products h2 { text-align: center; margin-bottom: 36px; }
.product-card {
  display: flex;
  align-items: center;
  gap: 28px;
  max-width: 640px;
  margin: 0 auto;
  padding: 28px;
  border: 1px solid #eee;
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}
.product-card img { width: 64px; height: 64px; border-radius: 14px; flex-shrink: 0; }
.product-card h3 { margin-bottom: 6px; }
.product-card p { color: #555; margin-bottom: 10px; }

.about {
  background: #f7f7f8;
  text-align: center;
}
.about-inner { max-width: 700px; margin: 0 auto; padding: 60px 20px; }
.about p { color: #555; }

.site-footer {
  text-align: center;
  padding: 24px 20px;
  color: #888;
  border-top: 1px solid #eee;
  font-size: 0.9rem;
}

@media (max-width: 600px) {
  .product-card { flex-direction: column; text-align: center; }
}