/* ============================================================
   黑料社区播客与音频深度访谈平台 - 全局样式表
   版本: 1.0.0
   色彩方案: 暗紫+橙 沉浸式播客主题
   ============================================================ */

/* === CSS 变量定义 === */
:root {
  /* 主色调：深橙色 */
  --primary: #FF8C00;
  /* 辅色调：极暗紫色 */
  --secondary: #1A0533;
  /* 背景色：极暗紫色 */
  --bg: #1A0533;
  /* 卡片背景色：深紫罗兰色 */
  --card-bg: #2D1B4E;
  /* 强调色：浅橙色 */
  --accent: #FFB74D;
  /* 文字色：近白色 */
  --text: #F5F5F5;
  /* 辅助文字色：灰蓝色 */
  --text-muted: #B0BEC5;
  /* 边框色：半透明白色 */
  --border-color: rgba(255, 255, 255, 0.1);
  /* 播放器背景 */
  --player-bg: rgba(26, 5, 51, 0.95);
  /* 圆角 */
  --radius: 12px;
  --radius-sm: 8px;
  /* 过渡 */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  /* 阴影 */
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 8px 40px rgba(255, 140, 0, 0.15);
  /* 侧边栏宽度 */
  --sidebar-width: 260px;
  /* 播放器高度 */
  --player-height: 90px;
}

/* === 全局重置 === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', 'Roboto', system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === 字体方案 === */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.3;
  color: var(--text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary);
}

.timestamp {
  font-family: 'Fira Code', 'Courier New', monospace;
  color: var(--accent);
  cursor: pointer;
}

.timestamp:hover {
  color: var(--primary);
  text-decoration: underline;
}

/* === 布局结构 === */
.app-layout {
  display: flex;
  min-height: 100vh;
  padding-bottom: var(--player-height);
}

/* 侧边栏导航 */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--secondary);
  border-right: 1px solid var(--border-color);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-logo img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.sidebar-logo span {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--primary);
}

.sidebar-nav {
  list-style: none;
  margin-bottom: 2rem;
}

.sidebar-nav li {
  margin-bottom: 4px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: var(--transition);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: rgba(255, 140, 0, 0.1);
  color: var(--primary);
}

.sidebar-nav a svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.sidebar-section-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin: 1.5rem 0 0.75rem;
  padding-left: 14px;
}

/* 主内容区 */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: 100vh;
  padding: 0;
}

/* === Hero Section === */
.hero-section {
  position: relative;
  width: 100%;
  min-height: 70vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(3px) brightness(0.4);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 5, 51, 0.9) 0%, rgba(45, 27, 78, 0.7) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 4rem;
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 140, 0, 0.15);
  border: 1px solid rgba(255, 140, 0, 0.3);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-title span {
  color: var(--primary);
}

.hero-quote {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-style: italic;
  border-left: 3px solid var(--primary);
  padding-left: 1rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

/* 波形动画 */
.hero-waveform {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 40px;
  margin-top: 2rem;
}

.hero-waveform span {
  display: block;
  width: 4px;
  background: var(--primary);
  border-radius: 2px;
  animation: waveform 1.2s ease-in-out infinite;
}

.hero-waveform span:nth-child(1) { height: 20px; animation-delay: 0s; }
.hero-waveform span:nth-child(2) { height: 35px; animation-delay: 0.1s; }
.hero-waveform span:nth-child(3) { height: 25px; animation-delay: 0.2s; }
.hero-waveform span:nth-child(4) { height: 40px; animation-delay: 0.3s; }
.hero-waveform span:nth-child(5) { height: 30px; animation-delay: 0.4s; }
.hero-waveform span:nth-child(6) { height: 20px; animation-delay: 0.5s; }
.hero-waveform span:nth-child(7) { height: 35px; animation-delay: 0.6s; }
.hero-waveform span:nth-child(8) { height: 15px; animation-delay: 0.7s; }
.hero-waveform span:nth-child(9) { height: 28px; animation-delay: 0.8s; }
.hero-waveform span:nth-child(10) { height: 22px; animation-delay: 0.9s; }

@keyframes waveform {
  0%, 100% { transform: scaleY(0.5); opacity: 0.6; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* === 按钮样式 === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: #e67e00;
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(255, 140, 0, 0.4);
  color: #fff;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

/* === 内容区域 === */
.content-section {
  padding: 3rem 4rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
}

.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--primary);
  margin-top: 8px;
  border-radius: 2px;
}

.view-all {
  font-size: 0.9rem;
  color: var(--accent);
}

/* === 播客卡片 === */
.episodes-scroll {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  padding-bottom: 1rem;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.episodes-scroll::-webkit-scrollbar {
  display: none;
}

.episode-card {
  flex: 0 0 280px;
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  cursor: pointer;
}

.episode-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255, 140, 0, 0.3);
}

.episode-card-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
}

.episode-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.episode-card-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 5, 51, 0.6);
  opacity: 0;
  transition: var(--transition);
}

.episode-card:hover .episode-card-play {
  opacity: 1;
}

.episode-card-play svg {
  width: 48px;
  height: 48px;
  fill: var(--primary);
}

.episode-card-info {
  padding: 1.2rem;
}

.episode-card-category {
  font-size: 0.75rem;
  color: var(--primary);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.episode-card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.episode-card-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.episode-card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* === 播客列表 === */
.episode-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.episode-list-item {
  display: flex;
  gap: 1.2rem;
  padding: 1.2rem;
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  align-items: center;
}

.episode-list-item:hover {
  border-color: rgba(255, 140, 0, 0.3);
  background: rgba(45, 27, 78, 0.8);
}

.episode-list-cover {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.episode-list-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.episode-list-info {
  flex: 1;
  min-width: 0;
}

.episode-list-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.episode-list-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0.3rem;
}

.episode-list-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  gap: 1rem;
}

.episode-list-play {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: pointer;
  transition: var(--transition);
}

.episode-list-play:hover {
  transform: scale(1.1);
  box-shadow: 0 0 20px rgba(255, 140, 0, 0.4);
}

.episode-list-play svg {
  width: 20px;
  height: 20px;
  fill: #fff;
}

/* === 嘉宾网格 === */
.guests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
}

.guest-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.guest-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.guest-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  overflow: hidden;
  border: 3px solid var(--primary);
}

.guest-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.guest-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.guest-title {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* === 评论气泡 === */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.review-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  position: relative;
}

.review-card::before {
  content: '\201C';
  font-size: 3rem;
  color: var(--primary);
  opacity: 0.3;
  position: absolute;
  top: 10px;
  left: 15px;
  font-family: serif;
}

.review-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
  padding-top: 1rem;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.review-author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
}

.review-author-name {
  font-size: 0.85rem;
  font-weight: 600;
}

/* === 订阅平台 === */
.subscribe-platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.subscribe-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.9rem;
  transition: var(--transition);
  cursor: pointer;
}

.subscribe-btn:hover {
  border-color: var(--primary);
  background: rgba(255, 140, 0, 0.1);
  color: var(--primary);
}

.subscribe-btn svg {
  width: 24px;
  height: 24px;
}

/* === SEO阐述区 === */
.seo-section {
  background: rgba(45, 27, 78, 0.5);
  border-top: 1px solid var(--border-color);
  padding: 4rem;
}

.seo-section h2 {
  margin-bottom: 1.5rem;
}

.seo-content {
  max-width: 900px;
  column-count: 2;
  column-gap: 3rem;
}

.seo-content p {
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1.2rem;
  break-inside: avoid;
}

/* === 底部悬浮播放器 === */
.player-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--player-height);
  background: var(--player-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-color);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 2rem;
  gap: 1.5rem;
}

.player-cover {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.player-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.player-info {
  min-width: 0;
  flex: 0 0 200px;
}

.player-title {
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-artist {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.player-btn {
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 6px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.player-btn:hover {
  color: var(--primary);
}

.player-btn-play {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
}

.player-btn-play:hover {
  background: #e67e00;
  transform: scale(1.05);
  color: #fff;
}

.player-btn svg {
  width: 20px;
  height: 20px;
}

.player-progress {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
}

.player-time {
  font-family: 'Fira Code', monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
  min-width: 45px;
}

.progress-bar {
  flex: 1;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
}

.progress-bar-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 2px;
  width: 35%;
  position: relative;
}

.progress-bar-fill::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background: var(--primary);
  border-radius: 50%;
  opacity: 0;
  transition: var(--transition);
}

.progress-bar:hover .progress-bar-fill::after {
  opacity: 1;
}

.player-extras {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.player-speed {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--text);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.8rem;
  cursor: pointer;
  font-weight: 600;
}

.player-volume {
  display: flex;
  align-items: center;
  gap: 8px;
}

.volume-slider {
  width: 80px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  position: relative;
}

.volume-slider-fill {
  height: 100%;
  width: 70%;
  background: var(--accent);
  border-radius: 2px;
}

/* === 页脚 === */
.site-footer {
  background: var(--secondary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 4rem 2rem;
  margin-bottom: var(--player-height);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-brand p {
  font-size: 0.9rem;
  margin-top: 1rem;
}

.footer-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* === 波形可视化组件 === */
.waveform-container {
  width: 100%;
  height: 80px;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 1rem 0;
  cursor: pointer;
}

.waveform-bar {
  flex: 1;
  background: var(--text-muted);
  border-radius: 2px;
  transition: background 0.2s;
  min-width: 3px;
}

.waveform-bar.played {
  background: var(--primary);
}

.waveform-bar:hover {
  background: var(--accent);
}

/* === 章节时间戳导航 === */
.chapter-nav {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--border-color);
}

.chapter-nav-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.chapter-list {
  list-style: none;
}

.chapter-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.chapter-item:hover {
  background: rgba(255, 140, 0, 0.1);
}

.chapter-item.active {
  background: rgba(255, 140, 0, 0.15);
}

.chapter-item.active .chapter-time {
  color: var(--primary);
}

.chapter-time {
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  color: var(--accent);
  min-width: 60px;
}

.chapter-title-text {
  font-size: 0.9rem;
  color: var(--text);
}

.chapter-item.active .chapter-title-text {
  color: var(--primary);
  font-weight: 600;
}

/* === 转录文字面板 === */
.transcript-panel {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--border-color);
  max-height: 500px;
  overflow-y: auto;
}

.transcript-panel::-webkit-scrollbar {
  width: 6px;
}

.transcript-panel::-webkit-scrollbar-track {
  background: transparent;
}

.transcript-panel::-webkit-scrollbar-thumb {
  background: rgba(255, 140, 0, 0.3);
  border-radius: 3px;
}

.transcript-line {
  display: flex;
  gap: 1rem;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  transition: var(--transition);
  cursor: pointer;
}

.transcript-line:hover {
  background: rgba(255, 255, 255, 0.05);
}

.transcript-line.active {
  background: rgba(255, 140, 0, 0.1);
}

.transcript-line .timestamp {
  flex-shrink: 0;
  font-size: 0.8rem;
}

.transcript-line .text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.transcript-line.active .text {
  color: var(--text);
}

/* === 嘉宾档案卡片 === */
.guest-profile-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--border-color);
  text-align: center;
}

.guest-profile-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  overflow: hidden;
  border: 3px solid var(--primary);
}

.guest-profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.guest-profile-name {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.guest-profile-role {
  font-size: 0.85rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.guest-profile-bio {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.guest-profile-social {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.guest-profile-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
}

.guest-profile-social a:hover {
  background: var(--primary);
  color: #fff;
}

/* === RSS订阅组件 === */
.rss-subscribe {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--border-color);
  text-align: center;
}

.rss-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.rss-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(255, 140, 0, 0.15);
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  color: var(--primary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 1.5rem;
}

.rss-copy-btn:hover {
  background: var(--primary);
  color: #fff;
}

/* === 搜索页 === */
.search-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.search-input-wrap {
  position: relative;
  margin-bottom: 2rem;
}

.search-input {
  width: 100%;
  padding: 16px 24px 16px 50px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1rem;
  outline: none;
  transition: var(--transition);
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.1);
}

.search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

/* === 面包屑导航 === */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 1rem 0;
  font-size: 0.85rem;
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb span {
  color: var(--text-muted);
}

.breadcrumb .current {
  color: var(--text);
}

/* === 404页面 === */
.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  text-align: center;
  padding: 2rem;
}

.error-page img {
  max-width: 500px;
  width: 100%;
  margin-bottom: 2rem;
}

.error-page h1 {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

/* === 表单样式 === */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--primary);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* === 响应式设计 === */
@media (max-width: 1024px) {
  .sidebar {
    display: none;
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .content-section {
    padding: 2rem;
  }
  
  .hero-content {
    padding: 2rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  
  .seo-content {
    column-count: 1;
  }
  
  .player-extras {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero-section {
    min-height: 60vh;
  }
  
  .hero-title {
    font-size: 1.75rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .content-section {
    padding: 1.5rem;
  }
  
  .episode-card {
    flex: 0 0 220px;
  }
  
  .guests-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .player-bar {
    padding: 0 1rem;
    gap: 0.8rem;
  }
  
  .player-info {
    flex: 0 0 120px;
  }
  
  .player-progress {
    display: none;
  }
  
  .site-footer {
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  
  .hero-content {
    padding: 1.5rem;
  }
  
  .episode-card {
    flex: 0 0 180px;
  }
  
  .guests-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
}

/* === 移动端底部导航 === */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: var(--player-height);
  left: 0;
  right: 0;
  background: var(--secondary);
  border-top: 1px solid var(--border-color);
  padding: 8px 0;
  z-index: 999;
}

.mobile-nav-list {
  display: flex;
  justify-content: space-around;
  list-style: none;
}

.mobile-nav-list a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--text-muted);
  font-size: 0.7rem;
  padding: 4px 8px;
}

.mobile-nav-list a.active {
  color: var(--primary);
}

.mobile-nav-list svg {
  width: 22px;
  height: 22px;
}

@media (max-width: 1024px) {
  .mobile-nav {
    display: block;
  }
  
  body {
    padding-bottom: calc(var(--player-height) + 60px);
  }
}

/* === 详情页样式 === */
.detail-hero {
  position: relative;
  padding: 4rem;
  min-height: 40vh;
  display: flex;
  align-items: flex-end;
}

.detail-hero-bg {
  position: absolute;
  inset: 0;
}

.detail-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(8px) brightness(0.3);
}

.detail-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
}

.detail-hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 2rem;
  align-items: flex-end;
}

.detail-cover {
  width: 200px;
  height: 200px;
  border-radius: var(--radius);
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: var(--shadow);
}

.detail-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-info h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.detail-meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.detail-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* === 分类标签 === */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 4px 12px;
  background: rgba(255, 140, 0, 0.1);
  border: 1px solid rgba(255, 140, 0, 0.3);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--accent);
  transition: var(--transition);
}

.tag:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* === 播客单/播放列表 === */
.playlist-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.playlist-card:hover {
  border-color: rgba(255, 140, 0, 0.3);
}

.playlist-header {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.playlist-covers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.playlist-covers img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.playlist-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.playlist-count {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* === 工具类 === */
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }