/* style.css */
body {
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
  background: #f6f8f5;
  color: #222;
  margin: 0;
  padding: 0;
}

.navbar {
  background: rgba(255,255,255,0.95);
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
  position: sticky;
  top: 0;
  z-index: 10;
}
.navbar ul {
  display: flex;
  justify-content: center;
  gap: 2em;
  list-style: none;
  margin: 0;
  padding: 1em 0;
}
.navbar a {
  color: #388e3c;
  text-decoration: none;
  font-weight: 500;
  padding: 0.5em 1em;
  border-radius: 20px;
  transition: background 0.2s;
}
.navbar a:hover {
  background: #e0f2f1;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #e8f5e9;
  padding: 3em 1em 2em 1em;
  border-radius: 0 0 32px 32px;
  margin-bottom: 2em;
}
.hero-img {
  width: 180px;
  height: 180px;
  object-fit: cover;
  border-radius: 24px;
  margin-right: 2em;
  box-shadow: 0 4px 24px rgba(56,142,60,0.08);
}
.hero-text h1 {
  font-size: 2.2em;
  margin: 0 0 0.5em 0;
  color: #388e3c;
}
.hero-text p {
  font-size: 1.1em;
  color: #666;
}

.quick-links {
  display: flex;
  justify-content: center;
  gap: 1.5em;
  margin-bottom: 2em;
}
.quick-links button {
  background: #a5d6a7;
  color: #222;
  border: none;
  border-radius: 20px;
  padding: 0.7em 1.5em;
  font-size: 1em;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(56,142,60,0.08);
  transition: background 0.2s, transform 0.2s;
}
.quick-links button:hover {
  background: #81c784;
  transform: translateY(-2px) scale(1.04);
}

section {
  max-width: 900px;
  margin: 2em auto;
  padding: 2em;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 4px 24px rgba(56,142,60,0.06);
}

h2 {
  color: #388e3c;
  margin-top: 0;
}

.card-list {
  display: flex;
  flex-wrap: wrap;
  gap: 2em;
  justify-content: center;
}
.card {
  background: #f1f8e9;
  border-radius: 18px;
  box-shadow: 0 2px 12px rgba(56,142,60,0.07);
  padding: 1.5em 1.2em;
  min-width: 220px;
  max-width: 260px;
  flex: 1 1 220px;
}
.card h3 {
  margin-top: 0;
  color: #2e7d32;
}

.note-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5em;
}
.note-card {
  background: #e0f2f1;
  border-radius: 14px;
  box-shadow: 0 2px 8px rgba(56,142,60,0.05);
  padding: 1em 1.2em;
  min-width: 180px;
  max-width: 220px;
  flex: 1 1 180px;
}
.note-card h4 {
  margin-top: 0;
  color: #00897b;
}

@media (max-width: 700px) {
  .hero { flex-direction: column; text-align: center; }
  .hero-img { margin: 0 0 1em 0; }
  .card-list, .note-list { flex-direction: column; align-items: center; }
  section { padding: 1em; }
}