/* 主题详情页专用样式：仿书卷/界画风格 */
:root {
  --scroll-bg: #ece5d3; /* 宋代画卷底色 */
  --scroll-border: #d4a373; 
  --text-dark: #333333;
}

body.theme-page {
  background-color: #d8cdb8; /* 外围底色 */
  background-image: none;
  display: flex;
  justify-content: center;
  padding: 40px 20px;
  min-height: 100vh;
}

/* 画卷主容器 */
.scroll-container {
  width: 100%;
  max-width: 1400px;
  background-color: var(--scroll-bg);
  border: 15px solid transparent;
  /* 模拟画卷边界，可后续用图片border-image替换 */
  border-image: repeating-linear-gradient(45deg, #d4a373, #d4a373 10px, transparent 10px, transparent 20px) 15;
  box-shadow: 0 15px 40px rgba(0,0,0,0.2);
  display: flex;
  flex-direction: column;
  position: relative;
  padding: 20px 40px 40px;
}

/* 顶部导航区 */
.theme-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px dashed var(--color-primary);
  padding-bottom: 15px;
  margin-bottom: 30px;
}
.back-btn {
  font-size: 16px;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 5px;
}
.back-btn:hover {
  color: var(--color-accent-red);
}
.theme-nav {
  display: flex;
  gap: 15px;
  font-size: 16px;
}
.theme-nav a {
  color: var(--text-dark);
  transition: opacity 0.3s;
}
.theme-nav a:hover, .theme-nav a.active {
  color: var(--color-accent-red);
  font-weight: bold;
}
.theme-nav span {
  color: #ccc;
}
.menu-btn {
  font-size: 24px;
  cursor: pointer;
}

/* 标题区 */
.theme-title-area {
  text-align: center;
  margin-bottom: 30px;
}
.theme-main-title {
  font-size: 48px;
  color: var(--text-dark);
  margin-bottom: 10px;
  letter-spacing: 5px;
}
.theme-sub-title {
  font-size: 18px;
  color: var(--text-dark);
  opacity: 0.8;
}

/* 核心内容区：主图 + 侧侧边栏 */
.theme-content {
  display: flex;
  gap: 30px;
  margin-bottom: 30px;
}
.theme-image-wrapper {
  flex: 3;
  position: relative;
  border: 4px solid var(--color-primary);
  padding: 10px;
  background: #fdfbf7;
}
.theme-main-img {
  width: 100%;
  height: 600px;
  object-fit: cover;
  display: block;
}

/* 图上交互点 */
.hotspot {
  position: absolute;
  width: 30px;
  height: 30px;
  background: rgba(255,255,255,0.7);
  border: 2px solid var(--color-accent-blue);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pulse 2s infinite;
}
.hotspot:hover {
  background: var(--color-accent-blue);
}
.hotspot::after {
  content: attr(data-label);
  position: absolute;
  top: -30px;
  background: var(--color-bg);
  padding: 4px 8px;
  border: 1px solid var(--color-text);
  border-radius: 4px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.3s;
}
.hotspot:hover::after {
  opacity: 1;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(168, 218, 220, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(168, 218, 220, 0); }
  100% { box-shadow: 0 0 0 0 rgba(168, 218, 220, 0); }
}

/* 侧边考据解读 */
.theme-sidebar {
  flex: 1;
  background: #f9f5eb;
  border: 2px solid var(--color-primary);
  border-radius: 4px;
  padding: 20px;
  position: relative;
}
.sidebar-title {
  font-size: 24px;
  color: var(--text-dark);
  margin-bottom: 20px;
  text-align: center;
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 10px;
}
.sidebar-close {
  position: absolute;
  top: 15px;
  right: 15px;
  font-size: 20px;
  cursor: pointer;
}
.sidebar-content {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dark);
}
.sidebar-content h4 {
  color: var(--color-accent-yellow);
  margin-bottom: 10px;
}

/* 底部数据区 */
.theme-data-area {
  display: flex;
  justify-content: space-between;
  border: 2px solid var(--color-primary);
  padding: 20px;
  background: #fcfaf5;
}
.data-box {
  flex: 1;
  text-align: center;
  border-right: 1px dashed var(--color-primary);
  padding: 0 15px;
}
.data-box:last-child {
  border-right: none;
}
.data-box-title {
  font-size: 16px;
  color: var(--text-dark);
  margin-bottom: 15px;
}

/* 模拟图表 */
.dummy-pie {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: conic-gradient(var(--color-accent-blue) 0 25%, #d4a373 25% 50%, #e68a8a 50% 75%, #ccc 75% 100%);
  margin: 0 auto;
}
.dummy-bar {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
  font-size: 12px;
}
.bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
}
.bar-fill {
  height: 10px;
  background: var(--color-accent-yellow);
}

.theme-footer {
  text-align: center;
  margin-top: 30px;
  font-size: 14px;
  color: var(--text-dark);
  border-top: 1px dotted var(--color-primary);
  padding-top: 20px;
}