/* ===== 大型视觉区（Banner）简化版 ===== */
.banner {
  background: var(--gradient-primary);
  color: var(--text-white);
  text-align: center;
  padding: var(--section-padding) 0;
  margin-bottom: clamp(2rem, 1.5rem, 3rem);
  position: relative;
  overflow: hidden;
}

/* 背景图片层 - 简化 */
.banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("../images/1.jpg");
  background-size: cover;
  background-position: top;
  background-repeat: no-repeat;
  z-index: 1;
}

.banner .container {
  position: relative;
  z-index: 2;
}

.banner h1 {
  font-size: clamp(1.75rem, 4vw, 3rem);
  margin-bottom: var(--element-spacing);
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.4);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  animation: fadeInUp 0.8s ease-out;
  will-change: transform, opacity;
}

.banner p {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  margin-bottom: clamp(10rem, 4vw, 3rem);
  max-width: min(90%, 700px);
  margin-left: auto;
  margin-right: auto;
  opacity: 0.9;
  font-weight: 400;
  animation: fadeInUp 0.8s ease-out 0.15s both;
  line-height: 1.6;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
  will-change: transform, opacity;
}

.banner .buttons {
  display: flex;
  justify-content: center;
  gap: clamp(1rem, 2vw, 1.5rem);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.3s both;
  will-change: transform, opacity;
}

.banner .btn {
  display: inline-flex;
  align-items: center;
  gap: clamp(0.5rem, 1vw, 0.75rem);
  padding: clamp(0.875rem, 2vw, 1.125rem) clamp(1.5rem, 3vw, 2.5rem);
  background-color: var(--bg-white);
  color: var(--text-dark);
  text-decoration: none;
  border-radius: var(--border-radius-lg);
  font-weight: 700;
  transition: all var(--transition-bounce);
  box-shadow: 
    0 8px 25px rgba(0, 0, 0, 0.15),
    0 4px 12px rgba(255, 255, 255, 0.1) inset;
  position: relative;
  overflow: hidden;
  margin: 0;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  white-space: nowrap;
  border: 2px solid transparent;
  min-height: clamp(3rem, 6vw, 3.5rem);
  will-change: transform;
}

.banner .btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.7s ease;
}

.banner .btn:hover::before {
  left: 100%;
}

.banner .btn:hover {
  transform: translateY(-0.375rem) scale(1.03);
  box-shadow: 
    0 15px 35px rgba(0, 0, 0, 0.2),
    0 4px 12px rgba(255, 255, 255, 0.15) inset;
}

.banner .btn:active {
  transform: translateY(-0.125rem) scale(1.01);
}

.banner .btn:focus-visible {
  outline: 2px solid var(--text-white);
  outline-offset: 2px;
}

/* ===== 内容模块区 ===== */
.content {
  padding: var(--section-padding) 0;
  background-color: var(--bg-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-soft);
  margin: 0 var(--element-spacing) clamp(2rem, 4vw, 3.5rem);
  position: relative;
  animation: fadeIn 1s ease-out;
  will-change: opacity;
}

.content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 0.2rem;
  background: var(--gradient-primary);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.content h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
  text-align: center;
  color: var(--text-dark);
  position: relative;
  font-weight: 700;
  line-height: 1.3;
}

.content p {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  line-height: 1.7;
  text-align: center;
  max-width: min(95%, 800px);
  margin: 0 auto;
  color: var(--text-light);
}

/* ===== 动画效果 ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(2rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== 响应式设计优化 ===== */
@media (max-width: 1536px) {
  .games-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: 1.5rem;
  }
}

@media (max-width: 1280px) {
  .banner h1,
  .content h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  }
  
  .banner p {
    font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  }
  
  .games-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  }
}

@media (max-width: 1024px) {
  .banner .buttons {
    gap: 1rem;
  }
  
  .banner .btn {
    margin: 0 0.75rem;
  }
  
  .content {
    margin: 0 clamp(0.75rem, 2vw, 1rem) clamp(1.5rem, 3vw, 2.5rem);
  }
  
  .games-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
    gap: 1.25rem;
  }
}

@media (max-width: 768px) {
  .banner {
    padding: clamp(2.5rem, 6vw, 4rem) 0;
  }
  
  .banner .buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .banner .btn {
    width: 100%;
    max-width: min(90%, 300px);
    justify-content: center;
    margin: 0.25rem 0;
  }
  
  .content {
    padding: clamp(2rem, 5vw, 3rem) 0;
  }
  
  .games-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* 高分辨率优化 */
@media (min-width: 1920px) {
  .games-grid {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
  }

  .game-image {
    height: 18rem;
  }
}

/* 缩放优化 */
@media (max-width: 1200px) and (min-width: 769px) {
  .banner h1 {
    font-size: 3rem;
  }
  
  .banner p {
    font-size: 1.4rem;
  }
  
  .content h2 {
    font-size: 2.25rem;
  }
}

/* 极窄窗口优化 */
@media (max-width: 400px) {
  .banner h1 {
    font-size: 2rem;
  }
  
  .banner p {
    font-size: 1.1rem;
  }
  
  .content h2 {
    font-size: 1.6rem;
  }
}

/* 容器查询支持 */
@container (min-width: 400px) {
  .game-card {
    display: flex;
    flex-direction: column;
  }
  
  .game-image {
    flex-shrink: 0;
  }
  
  .game-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
}