/* ============================================================
   积木音色库 (Jimu Voice Hub) - 高阶视觉与设计工程系统
   遵循 Emil Kowalski 极简克制、极致排版比例与像素级间距
   ============================================================ */

:root {
  /* 基础 6-Token 色彩系统 (jimu.chat 官方精校) */
  --bg: #f8fafc;                          /* 极简清爽浅冷白底色 */
  --surface: #ffffff;                      /* 纯白卡片表面 */
  --surface-subtle: #f1f5f9;               /* 细腻微灰浅色表面 */
  --fg: #0f172a;                          /* 深邃暗蓝文字色 */
  --muted: #64748b;                       /* 优雅次级辅助文字 */
  --border: rgba(15, 23, 42, 0.08);       /* 极细微透明边框 */
  --border-focus: rgba(37, 87, 180, 0.35);/* 聚焦边框 */
  --accent: #2563eb;                      /* 积木标志性纯正科技蓝 */
  --accent-light: #60a5fa;                /* 渐变辅助浅蓝 */
  --accent-soft: rgba(37, 99, 235, 0.08); /* 柔和浅蓝背景 */

  /* 基础度量与字阶 Token */
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --font-size-base: 14px;                 /* 降低基准字号，消除臃肿感 */
  --space-scale: 1;

  /* 物理动效 Easing 曲线 */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);

  /* 响应时长规范 */
  --dur-fast: 140ms;
  --dur-base: 200ms;

  /* 字体家族 (无外部 CDN，纯系统级原生字体栈) */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, Monaco, Consolas, monospace;

  /* 多层级阴影体系 */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 10px 28px rgba(15, 23, 42, 0.07), 0 2px 6px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.1), 0 4px 12px rgba(15, 23, 42, 0.04);
  --shadow-player: 0 16px 40px rgba(15, 23, 42, 0.12), 0 2px 10px rgba(15, 23, 42, 0.04);
}

/* 深色模式规范 (深海夜空 Navy Dark) */
[data-theme="dark"] {
  --bg: #090d16;                          /* 深海暗色底 */
  --surface: #0f172a;                      /* 悬浮暗色卡片 */
  --surface-subtle: #162036;               /* 次级暗色表面 */
  --fg: #f8fafc;                          /* 纯净亮白文字 */
  --muted: #94a3b8;                       /* 浅灰蓝辅助文字 */
  --border: rgba(255, 255, 255, 0.08);    /* 微弱极细浅色边框 */
  --border-focus: rgba(96, 165, 250, 0.45);
  --accent: #3b82f6;                      /* 明亮高对比蓝 */
  --accent-light: #93c5fd;
  --accent-soft: rgba(59, 130, 246, 0.14);

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 28px rgba(0, 0, 0, 0.55), 0 2px 6px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.7), 0 4px 12px rgba(0, 0, 0, 0.45);
  --shadow-player: 0 16px 40px rgba(0, 0, 0, 0.65), 0 2px 10px rgba(0, 0, 0, 0.45);
}

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  touch-action: manipulation;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: 1160px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.section {
  padding-top: 48px;
  padding-bottom: 48px;
}

/* ============================================================
   顶栏导航 (High-Craft Dynamic Island Navigation)
   遵循 Emil Kowalski & Apple 极高水准设计工程规范
   ============================================================ */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 50;
  padding: 0 20px;
  display: flex;
  justify-content: center;
  width: 100%;
}

.nav-pill {
  width: 100%;
  max-width: 825px;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 14px 8px 16px;
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: 0 8px 30px -4px rgba(15, 23, 42, 0.08), 0 2px 8px rgba(15, 23, 42, 0.03);
  transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out);
}

[data-theme="dark"] .nav-pill {
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 12px 36px -4px rgba(0, 0, 0, 0.55), inset 0 1px 1px rgba(255, 255, 255, 0.06);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.02em;
  color: var(--fg);
  flex-shrink: 0;
  user-select: none;
  text-decoration: none;
}

.nav-brand:active {
  transform: scale(0.97);
}

.brand-logo-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 7px;
  transition: transform var(--dur-fast) var(--ease-spring);
}

.nav-brand:hover .brand-logo-img {
  transform: scale(1.08) rotate(-3deg);
}

.nav-center {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  justify-content: center;
  max-width: 480px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  flex-shrink: 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.nav-link:active {
  transform: scale(0.96);
}

@media (hover: hover) and (pointer: fine) {
  .nav-link:hover {
    color: var(--fg);
    background: var(--surface-subtle);
  }
}

.nav-link[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-soft);
  font-weight: 600;
}

[data-theme="dark"] .nav-link[aria-current="page"] {
  color: var(--accent-light);
  background: var(--accent-soft);
}

.nav-search-form {
  position: relative;
  display: flex;
  align-items: center;
  width: 210px;
  transition: width var(--dur-base) var(--ease-out);
}

.nav-search-icon {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 16px;
  color: var(--muted);
  pointer-events: none;
  transition: color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-spring);
}

.nav-search-input {
  width: 100%;
  height: 38px;
  padding: 0 14px 0 38px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-subtle);
  color: var(--fg);
  font-size: 0.8125rem;
  transition: border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.nav-search-input::placeholder {
  color: var(--muted);
  font-size: 0.8125rem;
}

.nav-search-input:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.nav-search-form:focus-within {
  width: 250px;
}

.nav-search-form:focus-within .nav-search-icon {
  color: var(--accent);
  transform: scale(1.1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.theme-toggle-btn {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--fg);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
  box-shadow: var(--shadow-xs);
}

.theme-toggle-btn:active {
  transform: scale(0.92);
}

@media (hover: hover) and (pointer: fine) {
  .theme-toggle-btn:hover {
    background: var(--surface-subtle);
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: var(--shadow-sm);
  }
}

/* ============================================================
   按钮规范 (Button Scale)
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), filter var(--dur-fast) var(--ease-out);
  white-space: nowrap;
  user-select: none;
}

.btn:active {
  transform: scale(0.96);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #ffffff;
  box-shadow: 0 2px 10px var(--accent-soft);
}

@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px var(--accent-soft);
    filter: brightness(1.05);
  }
}

.btn-secondary {
  background: var(--surface);
  color: var(--fg);
  border: 1px solid var(--border);
}

@media (hover: hover) and (pointer: fine) {
  .btn-secondary:hover {
    background: var(--surface-subtle);
    border-color: var(--border-focus);
  }
}

.btn-sm {
  padding: 5px 12px;
  font-size: 0.75rem;
}

/* 筛选胶囊 (Filter Chip) */
.chip-btn {
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-subtle);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 500;
  transition: transform var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
  user-select: none;
}

.chip-btn:active {
  transform: scale(0.95);
}

@media (hover: hover) and (pointer: fine) {
  .chip-btn:hover {
    color: var(--fg);
    border-color: var(--border-focus);
  }
}

.chip-btn.is-active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  font-weight: 600;
  box-shadow: 0 2px 8px var(--accent-soft);
}

/* ============================================================
   专业音轨列表系统 (Audio Track List System - DAW & Splice 风格)
   高信息密度、横向极佳扫读感、纯净录音棚工作台质感
   ============================================================ */
.voice-track-list-wrap {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* 列表表头 */
.track-list-header {
  display: grid;
  grid-template-columns: 84px 210px 1fr 190px 180px 84px;
  align-items: center;
  gap: 16px;
  padding: 8px 16px;
  color: var(--muted);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--border);
  user-select: none;
}

.th-play { text-align: left; }
.th-info { text-align: left; }
.th-dialogue { text-align: left; }
.th-wave { text-align: left; }
.th-specs { text-align: left; }
.th-action { text-align: right; }

/* 列表容器 */
.voice-track-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* 单个悬浮音轨条目行 */
.voice-track-row {
  display: grid;
  grid-template-columns: 84px 210px 1fr 190px 180px 84px;
  align-items: center;
  gap: 16px;
  padding: 10px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.03);
  transition: transform var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
  position: relative;
  cursor: default;
}

@media (hover: hover) and (pointer: fine) {
  .voice-track-row:hover {
    background: color-mix(in srgb, var(--accent-soft) 18%, var(--surface));
    border-color: var(--border-focus);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px -2px rgba(15, 23, 42, 0.06);
  }
}

.voice-track-row.is-playing {
  background: color-mix(in srgb, var(--accent-soft) 28%, var(--surface));
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 6px 20px -2px var(--accent-soft);
}

[data-theme="dark"] .voice-track-row.is-playing {
  background: color-mix(in srgb, var(--accent-soft) 22%, var(--surface));
  box-shadow: 0 0 0 1px var(--accent), 0 8px 24px -2px rgba(0, 0, 0, 0.6);
}

/* 1. 播放与编号 */
.track-col-play {
  display: flex;
  align-items: center;
  gap: 8px;
}

.track-play-btn {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #ffffff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 6px var(--accent-soft);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-spring), filter var(--dur-fast) var(--ease-out);
}

.track-play-btn:active {
  transform: scale(0.92);
}

@media (hover: hover) and (pointer: fine) {
  .track-play-btn:hover {
    transform: scale(1.08);
    filter: brightness(1.1);
  }
}

.track-code {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--muted);
  letter-spacing: -0.02em;
}

/* 2. 名称与分类信息 */
.track-col-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.track-name-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.track-name {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-emotion-tag {
  font-size: 0.625rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
  white-space: nowrap;
  flex-shrink: 0;
}

.track-meta-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.meta-cat {
  color: var(--accent);
  font-weight: 500;
}

.meta-sep {
  opacity: 0.4;
}

/* 3. 台词样本预览 */
.track-col-dialogue {
  min-width: 0;
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: baseline;
  gap: 3px;
  padding: 4px 8px;
  border-radius: 6px;
  transition: background-color var(--dur-fast) var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .track-col-dialogue:hover {
    background: color-mix(in srgb, var(--surface-subtle) 80%, transparent);
  }
}

.dialogue-quote {
  font-family: Georgia, serif;
  font-size: 1rem;
  color: var(--accent);
  opacity: 0.6;
}

.dialogue-content {
  font-size: 0.8125rem;
  color: color-mix(in srgb, var(--fg) 85%, transparent);
  line-height: 1.45;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 4. 实时声波与时长 */
.track-col-wave {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
  padding: 4px 8px;
  border-radius: 8px;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  transition: border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .track-col-wave:hover {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent-soft) 20%, var(--surface-subtle));
  }
}

.track-wave-bars {
  flex: 1;
  height: 20px;
  display: flex;
  align-items: center;
  gap: 2px;
  overflow: hidden;
}

.track-wave-bars .wave-bar {
  flex: 1;
  background: var(--muted);
  opacity: 0.28;
  border-radius: 2px;
  min-height: 3px;
  transition: height 100ms var(--ease-out), background-color var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}

.is-playing .track-wave-bars .wave-bar {
  background: var(--accent);
  opacity: 0.9;
  animation: wavePulse 800ms infinite ease-in-out alternate;
}

@keyframes wavePulse {
  0% { transform: scaleY(0.7); }
  100% { transform: scaleY(1.3); }
}

.track-duration-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--muted);
  flex-shrink: 0;
}

.track-live-dot {
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--muted);
  opacity: 0.4;
  transition: background-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.is-playing .track-live-dot {
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  opacity: 1;
}

.is-playing .track-time-text {
  color: var(--accent);
  font-weight: 600;
}

/* 5. 格式规格 */
.track-col-specs {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--muted);
  flex-wrap: wrap;
}

.spec-badge {
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--muted);
}

.spec-text {
  font-size: 0.625rem;
  opacity: 0.8;
}

.spec-size {
  font-size: 0.625rem;
  opacity: 0.7;
}

/* 6. 操作按钮 */
.track-col-actions {
  display: flex;
  justify-content: flex-end;
}

.track-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--fg);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}

.track-download-btn:active {
  transform: scale(0.95);
}

@media (hover: hover) and (pointer: fine) {
  .track-download-btn:hover {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
    box-shadow: 0 2px 8px var(--accent-soft);
  }
}

/* 响应式列表适配 */
@media (max-width: 1040px) {
  .track-list-header {
    grid-template-columns: 70px 180px 1fr 150px 70px;
  }
  .voice-track-row {
    grid-template-columns: 70px 180px 1fr 150px 70px;
  }
  .track-col-specs, .th-specs {
    display: none;
  }
}

@media (max-width: 820px) {
  .track-list-header {
    display: none;
  }
  .voice-track-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 12px 14px;
  }
  .track-col-play {
    order: 1;
    justify-content: space-between;
  }
  .track-col-info {
    order: 2;
  }
  .track-col-dialogue {
    order: 3;
    white-space: normal;
  }
  .track-col-wave {
    order: 4;
  }
  .track-col-specs {
    order: 5;
    display: flex;
  }
  .track-col-actions {
    order: 6;
    justify-content: flex-start;
  }
}

/* ============================================================
   吸底悬浮播放器 (Sleek Bottom Player)
   ============================================================ */
.bottom-player-bar {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translate(-50%, 0) scale(1);
  width: calc(100% - 32px);
  max-width: 960px;
  z-index: 90;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow-player);
  padding: 8px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: transform 240ms var(--ease-drawer), opacity 200ms var(--ease-out);
}

.bottom-player-bar.is-hidden {
  transform: translate(-50%, 120%) scale(0.96);
  opacity: 0;
  pointer-events: none;
}

.player-track-info {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 180px;
  max-width: 240px;
}

.player-avatar {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-display);
  font-size: 0.875rem;
  flex-shrink: 0;
  box-shadow: 0 2px 8px var(--accent-soft);
}

.player-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.player-voice-name {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-voice-tag {
  font-size: 0.6875rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-controls-center {
  flex: 1;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.player-btn-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.player-btn {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  transition: transform var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.player-btn:active {
  transform: scale(0.92);
}

@media (hover: hover) and (pointer: fine) {
  .player-btn:hover {
    color: var(--fg);
  }
}

.player-btn-main {
  width: 34px;
  height: 34px;
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 2px 10px var(--accent-soft);
  transition: transform var(--dur-fast) var(--ease-spring), filter var(--dur-fast) var(--ease-out);
}

.player-btn-main:active {
  transform: scale(0.92);
}

@media (hover: hover) and (pointer: fine) {
  .player-btn-main:hover {
    color: #ffffff;
    filter: brightness(1.08);
    transform: scale(1.06);
  }
}

.player-progress-row {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--muted);
}

.player-progress-bar {
  flex: 1;
  height: 4px;
  background: var(--surface-subtle);
  border-radius: 999px;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: height var(--dur-fast) var(--ease-out);
}

.player-progress-bar:hover {
  height: 6px;
}

.player-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 999px;
  transition: width 0.05s linear;
}

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

/* ============================================================
   页脚规范 (Footer)
   ============================================================ */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 40px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 32px;
  margin-bottom: 28px;
}

.footer-brand p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.8125rem;
  line-height: 1.6;
  max-width: 300px;
}

.footer-heading {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg);
  margin-bottom: 12px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.8125rem;
  transition: color var(--dur-fast) var(--ease-out);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.75rem;
}

/* 响应式调整 */
@media (max-width: 960px) {
  .site-header { padding: 0 14px; top: 12px; }
  .nav-pill { max-width: 100%; gap: 14px; padding: 6px 12px 6px 14px; }
  .nav-center { gap: 12px; }
  .nav-search-form { width: 190px; }
  .nav-search-form:focus-within { width: 230px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .site-header { padding: 0 10px; top: 10px; }
  .nav-pill {
    max-width: 100%;
    width: 100%;
    min-height: 50px;
    gap: 8px;
    padding: 6px 10px 6px 12px;
  }
  .nav-brand { gap: 7px; font-size: 0.9375rem; }
  .brand-logo-img { width: 24px; height: 24px; }
  .nav-center { gap: 8px; }
  .nav-menu { gap: 4px; }
  .nav-link { padding: 5px 8px; font-size: 0.75rem; }
  .nav-search-form { width: 120px; }
  .nav-search-form:focus-within { width: 150px; }
  .nav-search-input { height: 34px; padding: 0 8px 0 28px; font-size: 0.75rem; }
  .nav-search-icon { left: 8px; width: 13px; height: 13px; }
  .theme-toggle-btn { width: 34px; height: 34px; }
  .bottom-player-bar {
    border-radius: 20px;
    flex-wrap: wrap;
    padding: 10px 14px;
    gap: 8px;
  }
  .player-track-info { min-width: 100%; justify-content: space-between; }
  .player-controls-center { order: 3; max-width: 100%; width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}