/* ============================================
   麻豆tv - 影视音乐原声与配乐下载站
   核心样式表 | Core Stylesheet
   ============================================ */

/* === CSS 变量定义 (Design Tokens) === */
:root {
  /* 主色调：极深蓝，全局背景 */
  --primary: #0B0C10;
  /* 辅色调：中等紫色，次要按钮、标签、悬停 */
  --secondary: #7B68EE;
  /* 背景色：深灰蓝，区块划分 */
  --bg: #12121A;
  /* 卡片背景色 */
  --card-bg: #1E1E2E;
  /* 强调色：亮紫色，播放进度、激活状态 */
  --accent: #9D8FFF;
  /* 主要文字色 */
  --text: #E0E0E0;
  /* 次要文字色 */
  --text-muted: #A0A0B0;
  /* 边框色 */
  --border-color: rgba(255, 255, 255, 0.1);
  /* 状态色 */
  --success: #4CAF50;
  --warning: #FFC107;
  --error: #F44336;
  /* 间距系统 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 50%;
  /* 阴影 */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 20px rgba(0,0,0,0.5);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.6);
  /* 侧边栏宽度 */
  --sidebar-width: 240px;
  /* 播放栏高度 */
  --player-height: 80px;
  /* 过渡 */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', 'Roboto', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--primary);
  overflow-x: hidden;
  min-height: 100vh;
}

/* === 字体方案 === */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', 'Helvetica Neue', 'Arial', sans-serif;
  font-weight: 700;
  line-height: 1.3;
  color: #FFFFFF;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

.font-mono {
  font-family: 'Fira Code', 'Consolas', monospace;
}

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  outline: none;
  font-family: inherit;
  font-size: inherit;
}

/* === 布局系统 === */
.site-wrapper {
  display: flex;
  min-height: 100vh;
  padding-bottom: var(--player-height);
}

/* --- 左侧导航栏 (Sidebar) --- */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background-color: var(--bg);
  border-right: 1px solid var(--border-color);
  padding: var(--spacing-lg);
  overflow-y: auto;
  z-index: 100;
  transition: transform var(--transition-normal);
}

.sidebar__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-sm) 0;
}

.sidebar__logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar__logo-text {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
}

.sidebar__nav-group {
  margin-bottom: var(--spacing-xl);
}

.sidebar__nav-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-sm);
}

.sidebar__nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  margin-bottom: var(--spacing-xs);
}

.sidebar__nav-item:hover {
  background-color: var(--card-bg);
  color: #fff;
}

.sidebar__nav-item--active {
  background-color: rgba(157, 143, 255, 0.15);
  color: var(--accent);
}

.sidebar__nav-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

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

/* --- 右侧面板 --- */
.right-panel {
  position: fixed;
  right: 0;
  top: 0;
  width: 320px;
  height: calc(100vh - var(--player-height));
  background-color: var(--bg);
  border-left: 1px solid var(--border-color);
  padding: var(--spacing-lg);
  overflow-y: auto;
  z-index: 90;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
}

.right-panel--open {
  transform: translateX(0);
}

/* --- 底部播放栏 --- */
.player-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--player-height);
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-xl);
  z-index: 200;
  backdrop-filter: blur(20px);
}

.player-bar__info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  width: 25%;
  min-width: 200px;
}

.player-bar__cover {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.player-bar__title {
  font-size: 0.9rem;
  font-weight: 500;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

.player-bar__controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  gap: var(--spacing-sm);
}

.player-bar__buttons {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.player-bar__btn {
  background: none;
  color: var(--text);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.player-bar__btn:hover {
  color: #fff;
  transform: scale(1.1);
}

.player-bar__btn--play {
  width: 40px;
  height: 40px;
  background: var(--accent);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.player-bar__btn--play:hover {
  background: var(--secondary);
  transform: scale(1.1);
}

.player-bar__progress {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  max-width: 600px;
}

.player-bar__time {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: 'Fira Code', monospace;
  min-width: 40px;
}

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

.player-bar__track-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  width: 35%;
  position: relative;
}

.player-bar__track-fill::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background: #fff;
  border-radius: var(--radius-full);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.player-bar__track:hover .player-bar__track-fill::after {
  opacity: 1;
}

.player-bar__extra {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  width: 25%;
  min-width: 200px;
  justify-content: flex-end;
}

.player-bar__volume {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.player-bar__volume-track {
  width: 80px;
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  cursor: pointer;
}

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

.player-bar__quality {
  font-size: 0.7rem;
  padding: 2px 6px;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-family: 'Fira Code', monospace;
}

/* === Hero Section === */
.hero {
  position: relative;
  width: 100%;
  height: 70vh;
  min-height: 500px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--spacing-3xl);
}

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
}

.hero__slide--active {
  opacity: 1;
}

.hero__bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: kenBurns 20s ease infinite alternate;
}

@keyframes kenBurns {
  0% { transform: scale(1); }
  100% { transform: scale(1.08); }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(11,12,16,0.9) 0%, rgba(11,12,16,0.4) 60%, transparent 100%);
}

.hero__content {
  position: absolute;
  left: var(--spacing-3xl);
  bottom: var(--spacing-3xl);
  max-width: 550px;
  z-index: 2;
}

.hero__tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--secondary);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero__title {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.hero__desc {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: var(--spacing-md);
}

/* === 按钮系统 === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: #fff;
  box-shadow: 0 4px 15px rgba(123, 104, 238, 0.4);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(123, 104, 238, 0.6);
  color: #fff;
}

.btn--secondary {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.btn--secondary:hover {
  background: rgba(255,255,255,0.2);
  color: #fff;
}

.btn--sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.8rem;
}

/* === 区块标题 === */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
}

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

.section-header__link {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.section-header__link:hover {
  color: var(--accent);
}

/* === 专辑卡片网格 === */
.album-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

.album-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--card-bg);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.album-card__cover-wrap {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
}

.album-card__cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.album-card:hover .album-card__cover {
  transform: scale(1.05);
}

.album-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.album-card:hover .album-card__overlay {
  opacity: 1;
}

.album-card__play-btn {
  width: 50px;
  height: 50px;
  background: var(--accent);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(157,143,255,0.4); }
  50% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(157,143,255,0); }
}

.album-card__info {
  padding: var(--spacing-md);
}

.album-card__title {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: var(--spacing-xs);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

.album-card__badge {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  padding: 2px 8px;
  background: var(--warning);
  color: #000;
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  z-index: 2;
}

/* === 榜单列表 === */
.ranking-section {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

.ranking-list {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.ranking-list__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.ranking-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  cursor: pointer;
  transition: background var(--transition-fast);
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm);
}

.ranking-item:hover {
  background: rgba(255,255,255,0.05);
}

.ranking-item__rank {
  width: 24px;
  font-size: 0.9rem;
  font-weight: 700;
  text-align: center;
  font-family: 'Fira Code', monospace;
}

.ranking-item__rank--gold { color: #FFD700; }
.ranking-item__rank--silver { color: #C0C0C0; }
.ranking-item__rank--bronze { color: #CD7F32; }

.ranking-item__cover {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.ranking-item__info {
  flex: 1;
  min-width: 0;
}

.ranking-item__name {
  font-size: 0.85rem;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ranking-item__meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.ranking-item__plays {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: 'Fira Code', monospace;
}

/* === 情绪流派探索 === */
.mood-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-3xl);
}

.mood-card {
  padding: var(--spacing-xl) var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  cursor: pointer;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.mood-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.8;
  z-index: 0;
  border-radius: inherit;
}

.mood-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.mood-card__icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
  position: relative;
  z-index: 1;
}

.mood-card__name {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  position: relative;
  z-index: 1;
}

.mood-card--epic { background: linear-gradient(135deg, #1a1a2e, #e94560); }
.mood-card--healing { background: linear-gradient(135deg, #0f3443, #34e89e); }
.mood-card--suspense { background: linear-gradient(135deg, #1a1a2e, #4a00e0); }
.mood-card--cyberpunk { background: linear-gradient(135deg, #0f0c29, #24243e); }
.mood-card--jazz { background: linear-gradient(135deg, #2c1810, #d4a574); }
.mood-card--chinese { background: linear-gradient(135deg, #1a0000, #c62828); }

/* === 作曲家展示 === */
.composers-grid {
  display: flex;
  gap: var(--spacing-xl);
  overflow-x: auto;
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-3xl);
  scrollbar-width: none;
}

.composers-grid::-webkit-scrollbar {
  display: none;
}

.composer-card {
  flex-shrink: 0;
  text-align: center;
  cursor: pointer;
  transition: transform var(--transition-normal);
}

.composer-card:hover {
  transform: translateY(-5px);
}

.composer-card__avatar {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-full);
  object-fit: cover;
  margin-bottom: var(--spacing-sm);
  border: 3px solid transparent;
  transition: border-color var(--transition-normal);
}

.composer-card:hover .composer-card__avatar {
  border-color: var(--accent);
}

.composer-card__name {
  font-size: 0.85rem;
  color: var(--text);
  font-weight: 500;
}

/* === 分类标签 === */
.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tag:hover {
  border-color: var(--secondary);
  color: var(--secondary);
}

.tag--active {
  background: var(--secondary);
  border-color: var(--secondary);
  color: #fff;
}

/* === 波形播放器 === */
.waveform-player {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.waveform-player__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.waveform-player__canvas {
  width: 100%;
  height: 80px;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.waveform-player__controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--spacing-md);
}

/* === 歌词同步 === */
.lyrics-panel {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  max-height: 400px;
  overflow-y: auto;
}

.lyrics-line {
  padding: var(--spacing-sm) 0;
  font-size: 0.95rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.lyrics-line--active {
  color: var(--accent);
  font-size: 1.1rem;
  font-weight: 600;
}

.lyrics-line:hover {
  color: var(--text);
}

/* === 曲目列表 === */
.tracklist {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.tracklist__header {
  display: grid;
  grid-template-columns: 40px 1fr 100px 80px 120px;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.tracklist__item {
  display: grid;
  grid-template-columns: 40px 1fr 100px 80px 120px;
  padding: var(--spacing-md) var(--spacing-lg);
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition-fast);
  cursor: pointer;
}

.tracklist__item:hover {
  background: rgba(255,255,255,0.03);
}

.tracklist__item:last-child {
  border-bottom: none;
}

.tracklist__num {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: 'Fira Code', monospace;
}

.tracklist__title-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tracklist__title {
  font-size: 0.9rem;
  color: #fff;
}

.tracklist__subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.tracklist__duration {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: 'Fira Code', monospace;
}

.tracklist__bitrate {
  font-size: 0.75rem;
  color: var(--accent);
  font-family: 'Fira Code', monospace;
}

.tracklist__actions {
  display: flex;
  gap: var(--spacing-sm);
}

.tracklist__action-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.tracklist__action-btn:hover {
  background: var(--accent);
  color: #fff;
}

/* === 搜索框 === */
.search-box {
  position: relative;
  max-width: 400px;
}

.search-box__input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-lg);
  padding-left: 40px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-box__input:focus {
  border-color: var(--accent);
}

.search-box__input::placeholder {
  color: var(--text-muted);
}

.search-box__icon {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-box__suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-xs);
  display: none;
  z-index: 50;
  box-shadow: var(--shadow-lg);
}

.search-box__suggestions--open {
  display: block;
}

.search-suggestion {
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  transition: background var(--transition-fast);
  font-size: 0.85rem;
}

.search-suggestion:hover {
  background: rgba(255,255,255,0.05);
}

/* === 用户评价 === */
.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

.testimonial-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  border: 1px solid var(--border-color);
}

.testimonial-card__text {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.testimonial-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--secondary), var(--accent));
}

.testimonial-card__name {
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
}

.testimonial-card__role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* === 页脚 === */
.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-3xl) var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: var(--spacing-md);
  max-width: 350px;
}

.footer-col__title {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: var(--spacing-lg);
}

.footer-col__link {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

.footer-col__link:hover {
  color: var(--accent);
}

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

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

.footer-social__link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.footer-social__link:hover {
  background: var(--accent);
  color: #fff;
}

/* === SEO 隐藏文本 === */
.seo-content {
  height: 0;
  overflow: hidden;
  padding: 0;
  margin: 0;
}

.seo-content--expandable {
  height: auto;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.seo-content--expanded {
  max-height: 2000px;
}

/* === 面包屑导航 === */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  font-size: 0.85rem;
}

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

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

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

/* === 筛选器 === */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--card-bg);
  border-radius: var(--radius-lg);
}

.filter-select {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: 0.85rem;
  outline: none;
}

/* === 骨架屏 === */
.skeleton {
  background: linear-gradient(90deg, var(--card-bg) 25%, rgba(255,255,255,0.05) 50%, var(--card-bg) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton--cover {
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
}

.skeleton--text {
  height: 16px;
  margin-bottom: var(--spacing-sm);
}

.skeleton--text-sm {
  height: 12px;
  width: 60%;
}

/* === 波形动画 === */
.waveform-bars {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 30px;
}

.waveform-bars__bar {
  width: 3px;
  background: var(--accent);
  border-radius: 2px;
  animation: waveBar 1.2s ease-in-out infinite;
}

.waveform-bars__bar:nth-child(1) { animation-delay: 0s; height: 40%; }
.waveform-bars__bar:nth-child(2) { animation-delay: 0.1s; height: 70%; }
.waveform-bars__bar:nth-child(3) { animation-delay: 0.2s; height: 50%; }
.waveform-bars__bar:nth-child(4) { animation-delay: 0.3s; height: 90%; }
.waveform-bars__bar:nth-child(5) { animation-delay: 0.4s; height: 60%; }

@keyframes waveBar {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(0.4); }
}

/* === 汉堡菜单按钮 === */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-sm);
  background: none;
  cursor: pointer;
  z-index: 300;
}

.hamburger__line {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* === 响应式设计 === */
@media (max-width: 1200px) {
  .ranking-section {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar--open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .hamburger {
    display: flex;
  }
  
  .hero__title {
    font-size: 2rem;
  }
  
  .ranking-section {
    grid-template-columns: 1fr;
  }
  
  .tracklist__header,
  .tracklist__item {
    grid-template-columns: 30px 1fr 80px 80px;
  }
  
  .tracklist__bitrate {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-xl: 20px;
    --spacing-2xl: 32px;
    --spacing-3xl: 48px;
  }
  
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }
  
  .hero {
    height: 50vh;
    min-height: 350px;
    border-radius: var(--radius-md);
  }
  
  .hero__content {
    left: var(--spacing-xl);
    bottom: var(--spacing-xl);
  }
  
  .hero__title {
    font-size: 1.5rem;
  }
  
  .album-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
  
  .mood-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .player-bar {
    height: 60px;
    padding: 0 var(--spacing-md);
  }
  
  .player-bar__info {
    width: auto;
    min-width: auto;
  }
  
  .player-bar__extra {
    display: none;
  }
  
  .player-bar__progress {
    max-width: none;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonials {
    grid-template-columns: 1fr;
  }
  
  .tracklist__header,
  .tracklist__item {
    grid-template-columns: 30px 1fr 60px;
  }
  
  .tracklist__bitrate,
  .tracklist__actions {
    display: none;
  }
}

@media (max-width: 480px) {
  .album-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }
  
  .hero__actions {
    flex-direction: column;
  }
  
  .player-bar__cover {
    width: 40px;
    height: 40px;
  }
}

/* === 页面过渡动画 === */
.fade-in {
  animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === 滚动条美化 === */
::-webkit-scrollbar {
  width: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--card-bg);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* === 通用工具类 === */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* === 404页面 === */
.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
}

.error-page__code {
  font-size: 8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.error-page__message {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin: var(--spacing-lg) 0 var(--spacing-xl);
}

/* === APP下载页 === */
.app-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  min-height: 60vh;
}

.app-hero__phone {
  max-width: 300px;
  margin: 0 auto;
}

.app-features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin: var(--spacing-3xl) 0;
}

.app-feature-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  border: 1px solid var(--border-color);
  transition: transform var(--transition-normal);
}

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

.app-feature-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.app-feature-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.app-feature-card__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* === 表单样式 === */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  color: var(--text);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

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

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

/* === 音效列表（紧凑模式）=== */
.sfx-list {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.sfx-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition-fast);
}

.sfx-item:hover {
  background: rgba(255,255,255,0.03);
}

.sfx-item__wave {
  width: 120px;
  height: 30px;
  background: rgba(157,143,255,0.1);
  border-radius: var(--radius-sm);
}

.sfx-item__name {
  flex: 1;
  font-size: 0.9rem;
  color: #fff;
}

.sfx-item__duration {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: 'Fira Code', monospace;
}

.sfx-item__download {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 500;
  transition: background var(--transition-fast);
}

.sfx-item__download:hover {
  background: var(--secondary);
}