/* 基础样式设置 */
body {
  margin: 0;
  font-family: 'Montserrat', sans-serif;
  background: linear-gradient(to bottom, #040326, #171559);
  color: #ffffff;
  line-height: 1.6;
  overflow-x: hidden;
}
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  display: grid;
  gap: 20px;
}
h1, h2, h3 {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}
a {
  color: #00faff;
  text-decoration: none;
}
a:hover {
  text-shadow: 0 0 8px #00faff;
}
.module {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.module:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 255, 255, 0.3);
}
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 15px;
}
.image-grid img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  object-fit: cover;
  transition: transform 0.3s ease, filter 0.3s ease;
}
.image-grid img:hover {
  transform: scale(1.1);
  filter: brightness(1.2);
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in {
  animation: fadeIn 0.8s ease-in-out;
}
@media (min-width: 768px) {
  .container {
    grid-template-columns: 1fr 1fr;
  }
}
@media (min-width: 1024px) {
  .container {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 1440px) {
  .container {
    grid-template-columns: repeat(4, 1fr);
  }
}
.tip {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: rgba(0, 0, 0, 0.7);
  color: #00faff;
  padding: 10px 20px;
  border-radius: 20px;
  font-size: 14px;
  box-shadow: 0 4px 10px rgba(0, 255, 255, 0.3);
}