/* 基础样式 */
:root {
  --primary-color: #b91c1c;
  --primary-dark: #7f1d1d;
  --text-color: #f8fafc;
  --text-muted: #94a3b8;
  --bg-color: #000000;
  --bg-secondary: #0f0f0f;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Noto Serif JP', serif;
}

/* 武士风格元素 */
.samurai-border {
  border: 1px solid var(--primary-color);
  box-shadow: 0 0 15px rgba(185, 28, 28, 0.3);
}

/* 卡片样式 */
.mod-card {
  background-color: rgba(15, 15, 15, 0.8);
  border: 1px solid rgba(185, 28, 28, 0.2);
  transition: all 0.3s ease;
}

.mod-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(185, 28, 28, 0.2);
  border-color: rgba(185, 28, 28, 0.5);
}

.mod-card img {
  transition: transform 0.5s ease;
}

.mod-card:hover img {
  transform: scale(1.05);
}

/* 按钮样式 */
.btn-primary {
  background-color: var(--primary-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 0.25rem;
  font-weight: bold;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(185, 28, 28, 0.3);
}

/* 自定义滚动条 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-dark);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

/* 动画效果 */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.8s ease forwards;
}

/* 视频容器 */
.video-container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 比例 */
  height: 0;
  overflow: hidden;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}