.banner {
  background: linear-gradient(135deg, #f0f4ff 0%, #e6e9ff 100%);
  padding: 20px;
  border-radius: 15px;
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.banner-text {
  flex: 1;
}

.banner-text h2 {
  color: #6366f1;
  font-size: 24px;
  margin: 0;
}

.banner-text p {
  color: #666;
  margin: 10px 0 0;
}

.vip-card {
  width: 80px;
  height: auto;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  width: 95%;
}

.category-nav {
  display: flex;
  justify-content: space-between;
  margin: clamp(20px, 4vw, 30px) 0;
  padding: 0 clamp(5px, 2vw, 10px);
  flex-wrap: wrap;
  gap: 15px;
}

.category-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: #333;
  flex: 1;
  min-width: 60px;
}

.category-icon {
  width: clamp(30px, 8vw, 40px);
  height: clamp(30px, 8vw, 40px);
  margin-bottom: clamp(5px, 2vw, 8px);
}

.category-name {
  font-size: clamp(12px, 3vw, 14px);
  text-align: center;
}

.hot-section {
  margin-top: clamp(30px, 5vw, 40px);
}

.section-title {
  display: flex;
  align-items: center;
  gap: clamp(8px, 2vw, 10px);
  margin-bottom: clamp(15px, 3vw, 20px);
  padding: 0 clamp(5px, 2vw, 10px);
  font-size: clamp(16px, 3.5vw, 20px);
}

.section-title img {
  width: clamp(20px, 4vw, 24px);
  height: clamp(20px, 4vw, 24px);
}

.test-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr));
  gap: clamp(15px, 3vw, 20px);
  padding: 0 clamp(5px, 2vw, 10px);
}

.test-card {
  background: #fff;
  border-radius: 12px;
  padding: clamp(15px, 3vw, 20px);
  text-decoration: none;
  color: #333;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s;
}

.test-card:hover {
  transform: translateY(-3px);
}

.test-icon {
  width: 100%;
  height: clamp(80px, 20vw, 120px);
  object-fit: contain;
  margin-bottom: clamp(10px, 2vw, 15px);
}

.test-title {
  font-size: clamp(14px, 3vw, 16px);
  font-weight: 500;
  margin: 0;
  line-height: 1.4;
}

/* 轮播样式 */
.carousel {
  position: relative;
  width: 100%;
  height: clamp(120px, 25vw, 160px);
  margin-bottom: clamp(20px, 4vw, 30px);
  border-radius: 15px;
  overflow: hidden;
}

.carousel-container {
  display: flex;
  width: 300%;
  height: 100%;
  transition: transform 0.5s ease;
}

.carousel-slide {
  width: 33.333%;
  height: 100%;
  display: flex;
  align-items: center;
  padding: clamp(15px, 3vw, 40px);
  color: white;
  text-decoration: none;
  cursor: pointer;
}

.carousel-slide:hover {
  opacity: 0.95;
}

.carousel-slide:nth-child(1) {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

.carousel-slide:nth-child(2) {
  background: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
}

.carousel-slide:nth-child(3) {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

.carousel-content {
  flex: 1;
}

.carousel-content h2 {
  font-size: clamp(18px, 4vw, 24px);
  margin: 0 0 clamp(5px, 2vw, 10px) 0;
  color: white;
}

.carousel-content p {
  font-size: clamp(14px, 3vw, 16px);
  margin: 0;
  opacity: 0.9;
}

.carousel-nav {
  position: absolute;
  bottom: clamp(10px, 2vw, 15px);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: clamp(6px, 1.5vw, 8px);
}

.carousel-dot {
  width: clamp(6px, 1.5vw, 8px);
  height: clamp(6px, 1.5vw, 8px);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: background-color 0.3s;
}

.carousel-dot.active {
  background: white;
}

/* 媒体查询优化 */
@media (max-width: 768px) {
  .container {
    padding: 15px;
  }

  .test-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
  }
}

@media (max-width: 480px) {
  .container {
    padding: 10px;
    width: 92%;
  }

  .category-nav {
    gap: 10px;
  }

  .test-grid {
    grid-template-columns: 1fr;
  }

  .carousel-slide {
    padding: 15px 20px;
  }
}

/* 暗色模式支持 */
@media (prefers-color-scheme: dark) {
  .test-card {
    background: #1f2937;
    color: #e5e7eb;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  }

  .category-item {
    color: #e5e7eb;
  }

  .section-title {
    color: #e5e7eb;
  }
}

.beian-footer {
  width: 100%;
  text-align: center;
  padding: 18px 0 12px 0;
  font-size: 14px;
  color: #888;
  background: none;
  letter-spacing: 1px;
}
.beian-footer a {
  color: #888;
  text-decoration: none;
  margin: 0 4px;
  transition: color 0.2s;
}
.beian-footer a:hover {
  color: #6366f1;
  text-decoration: underline;
}
.beian-footer .beian-sep {
  margin: 0 6px;
  color: #ccc;
}
@media (max-width: 480px) {
  .beian-footer {
    font-size: 12px;
    padding: 14px 0 8px 0;
  }
}
@media (prefers-color-scheme: dark) {
  .beian-footer {
    color: #aaa;
  }
  .beian-footer a {
    color: #aaa;
  }
  .beian-footer .beian-sep {
    color: #444;
  }
}