/* ============================================================
   fun.zzsir.xyz — 顶级极客美学与家庭娱乐落地页样式系统 (styles.css)
   设计母题：磷光终端 (Phosphor Terminal) × Gemini 4 级层级深度 × 大气呼吸感留白
   兼容基线：2015+ 智能电视 (Chromium 47) / 现代高刷视网膜屏
   ============================================================ */

/* ---------- 0. 基础重置与排印基石 ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background: var(--background);
  color: var(--foreground);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* 顶层柔和弥散背景辉光网格（纯 CSS 渲染，0 网络阻塞，0 塑料感） */
body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1400px;
  height: 680px;
  background: radial-gradient(ellipse 65% 55% at 50% -10%, color-mix(in srgb, var(--primary) 14%, transparent), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* 辅助次级光源 */
body::after {
  content: "";
  position: absolute;
  top: 1400px;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.06), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

h1, h2, h3, h4 {
  color: var(--foreground);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
  position: relative;
  z-index: 1;
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--primary); color: var(--primary-foreground); padding: 10px 16px; border-radius: 8px;
  font-weight: 600; font-size: 14px;
}
.skip-link:focus { left: 16px; top: 16px; }

/* 极客 Mono 徽章小标签 */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--primary) 22%, transparent);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.kicker .kicker-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* ---------- 1. 浮动毛玻璃顶部导航栏 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--background);
  background: color-mix(in srgb, var(--background) 85%, transparent);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  transition: background 0.3s ease;
}

.header-inner {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.brand {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.brand-mark {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: #111a15;
  border: 1px solid rgba(43, 217, 124, 0.35);
  box-shadow: 0 4px 16px rgba(43, 217, 124, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s;
}

.brand:hover .brand-mark {
  transform: scale(1.05);
  border-color: var(--primary);
}

.brand-text {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-text strong {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--foreground);
}

.brand-text em {
  font-style: normal;
  font-size: 11px;
  color: #7e9188;
  font-family: "SFMono-Regular", Consolas, monospace;
}

.site-nav {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  font-size: 14px;
  font-weight: 500;
  color: #9fb3a8;
  padding: 8px 16px;
  border-radius: 8px;
  transition: color 0.15s, background 0.15s;
}

.site-nav a:hover {
  color: var(--foreground);
  background: rgba(255, 255, 255, 0.05);
}

.site-nav a.active {
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 8%, transparent);
}

/* 边缘节点微状态指示器 */
.edge-pill {
  display: -webkit-inline-flex;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  color: #7e9188;
  padding: 6px 12px;
  border-radius: 20px;
  background: #0d1512;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.edge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 6px var(--primary);
}

/* 聚合搜索输入框 */
.search {
  position: relative;
  width: 260px;
}

.search-ico {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  color: #6f887d;
  pointer-events: none;
}

#search-input {
  width: 100%;
  height: 40px;
  padding: 0 42px 0 38px;
  background: #0d1512;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  color: var(--foreground);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

#search-input::-webkit-input-placeholder { color: #6f887d; }
#search-input:focus {
  background: #111c17;
  border-color: rgba(43, 217, 124, 0.5);
  box-shadow: 0 0 0 3px rgba(43, 217, 124, 0.15);
}

.search-shortcut {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  color: #6f887d;
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.search-results {
  position: absolute;
  left: 0;
  right: 0;
  top: 48px;
  z-index: 60;
  background: #0f1814;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 8px;
  max-height: 380px;
  overflow-y: auto;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.sr-item {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
}

.sr-item:hover, .sr-item.active {
  background: rgba(43, 217, 124, 0.12);
}

.sr-kind {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  background: color-mix(in srgb, var(--primary) 14%, transparent);
  color: var(--primary);
  flex: none;
}

.sr-text {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sr-text strong {
  font-size: 14px;
  color: var(--foreground);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sr-text span {
  font-size: 12px;
  color: #7e9188;
}

.sr-empty {
  padding: 20px;
  color: #7e9188;
  font-size: 13px;
  text-align: center;
}

/* ---------- 2. 按钮系统 (Phosphor Button) ---------- */
.btn {
  display: -webkit-inline-flex;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  padding: 0 28px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s, background 0.2s, border-color 0.2s;
  user-select: none;
  -webkit-user-select: none;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
  box-shadow: 0 10px 30px -6px rgba(43, 217, 124, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
  background: #39e38a;
  transform: translateY(-2px);
  box-shadow: 0 14px 38px -6px rgba(43, 217, 124, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.btn-ghost {
  background: #0c1410;
  color: var(--foreground);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.btn-ghost:hover {
  background: #14201a;
  border-color: rgba(43, 217, 124, 0.4);
  color: var(--foreground);
  transform: translateY(-2px);
}

/* ---------- 3. Hero 主视觉区 (深邃呼吸感) ---------- */
.hero {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 64px;
  padding-top: 108px;
  padding-bottom: 96px;
}

.hero-copy {
  flex: 1 1 52%;
  -webkit-flex: 1 1 52%;
}

.hero h1 {
  font-size: 52px;
  font-size: clamp(42px, 5.2vw, 64px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--foreground);
}

.hero h1 span.highlight {
  color: var(--primary);
  text-shadow: 0 0 32px rgba(43, 217, 124, 0.35);
}

.hero-sub {
  margin-top: 24px;
  max-width: 520px;
  color: #8c9e95;
  font-size: 18px;
  line-height: 1.75;
}

.hero-actions {
  display: -webkit-flex;
  display: flex;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.hero-stats {
  display: -webkit-flex;
  display: flex;
  gap: 40px;
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  flex-wrap: wrap;
}

.hero-stats li {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
}

.hero-stats strong {
  font-size: 28px;
  font-weight: 700;
  font-family: "SFMono-Regular", Consolas, monospace;
  color: var(--foreground);
  letter-spacing: -0.02em;
}

.hero-stats span {
  font-size: 13px;
  color: #7e9188;
  margin-top: 4px;
}

/* Hero 右侧：沉浸拟真播放器光影卡片 */
.hero-visual {
  flex: 1 1 48%;
  -webkit-flex: 1 1 48%;
  position: relative;
}

.player-preview-card {
  background: #0c1410;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 
    0 24px 70px rgba(0, 0, 0, 0.7),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s;
}

.player-preview-card:hover {
  transform: translateY(-4px);
  border-color: rgba(43, 217, 124, 0.3);
}

.preview-top {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.preview-tabs {
  display: -webkit-flex;
  display: flex;
  gap: 8px;
}

.preview-tab {
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  color: #7e9188;
  background: rgba(255, 255, 255, 0.04);
}

.preview-tab.active {
  background: rgba(43, 217, 124, 0.15);
  color: var(--primary);
  border: 1px solid rgba(43, 217, 124, 0.3);
}

.preview-mode {
  font-size: 12px;
  color: #7e9188;
  font-family: monospace;
}

.preview-track-list {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.preview-track-item {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: #d1ddd7;
  transition: background 0.15s;
}

.preview-track-item:hover {
  background: rgba(255, 255, 255, 0.04);
}

.preview-track-item.active {
  background: rgba(43, 217, 124, 0.12);
  border: 1px solid rgba(43, 217, 124, 0.28);
  color: var(--foreground);
}

.preview-idx {
  width: 22px;
  font-family: monospace;
  font-size: 12px;
  color: #6f887d;
  text-align: center;
}

.preview-title {
  font-weight: 600;
  color: var(--foreground);
}

.preview-artist {
  font-size: 12px;
  color: #7e9188;
}

.preview-dur {
  margin-left: auto;
  font-family: monospace;
  font-size: 12px;
  color: #6f887d;
}

/* 4 柱跳动音频均衡器动画 */
.fp-eq-bars {
  display: -webkit-inline-flex;
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
  width: 14px;
}

.fp-eq-bars span {
  display: block;
  width: 2px;
  background: var(--primary);
  border-radius: 1px;
  animation: eq-bounce 0.8s ease-in-out infinite alternate;
}

.fp-eq-bars span:nth-child(1) { height: 40%; animation-delay: 0.1s; }
.fp-eq-bars span:nth-child(2) { height: 95%; animation-delay: 0.3s; }
.fp-eq-bars span:nth-child(3) { height: 60%; animation-delay: 0s; }
.fp-eq-bars span:nth-child(4) { height: 80%; animation-delay: 0.2s; }

@keyframes eq-bounce {
  0% { height: 20%; }
  100% { height: 100%; }
}

/* 底部迷你控制条浮层 */
.preview-mini-bar {
  margin-top: 14px;
  background: #111a16;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 12px 16px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.pm-progress {
  height: 3px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  margin-bottom: 12px;
}

.pm-fill {
  width: 65%;
  height: 100%;
  background: var(--primary);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--primary);
}

.pm-content {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 12px;
}

.pm-cover {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: #1b2620;
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  flex: none;
}

.pm-meta strong {
  display: block;
  font-size: 14px;
  color: var(--foreground);
}

.pm-meta em {
  font-style: normal;
  font-size: 12px;
  color: #7e9188;
}

.pm-play-btn {
  margin-left: auto;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--primary-foreground);
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
  box-shadow: 0 4px 14px rgba(43, 217, 124, 0.4);
  transition: transform 0.2s, background 0.2s;
}

.pm-play-btn:hover {
  transform: scale(1.08);
  background: #39e38a;
}

/* ---------- 4. 通用 Section 头部 ---------- */
.section-head {
  margin-bottom: 48px;
  text-align: left;
}

.section-head h2 {
  font-size: 36px;
  font-size: clamp(30px, 3.8vw, 42px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--foreground);
}

.section-sub {
  margin-top: 14px;
  max-width: 580px;
  color: #8c9e95;
  font-size: 17px;
  line-height: 1.7;
}

.modules, .feature, .cinema {
  padding-top: 96px;
  padding-bottom: 96px;
}

/* ---------- 5. 三大模块总览卡片 (01 声场 / 02 机台 / 03 影厅) ---------- */
.module-grid {
  display: -webkit-flex;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.mcard {
  flex: 1 1 320px;
  -webkit-flex: 1 1 320px;
  background: #0c1410;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
}

.mcard:hover {
  transform: translateY(-6px);
  border-color: rgba(43, 217, 124, 0.45);
  box-shadow: 
    0 20px 50px rgba(0, 0, 0, 0.6),
    0 0 30px rgba(43, 217, 124, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.mcard-top {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mcard-idx {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
  font-weight: 700;
  color: #6f887d;
  letter-spacing: 0.1em;
}

.tag {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  font-family: "SFMono-Regular", Consolas, monospace;
}

.tag-on {
  background: color-mix(in srgb, var(--primary) 14%, transparent);
  color: var(--primary);
  border: 1px solid rgba(43, 217, 124, 0.3);
}

.tag-soon {
  background: rgba(255, 255, 255, 0.06);
  color: #8c9e95;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.mcard-icon-wrap {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  margin: 28px 0 20px;
  background: #111a15;
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: transform 0.2s, background 0.2s, color 0.2s;
}

.mcard:hover .mcard-icon-wrap {
  transform: scale(1.08);
  background: rgba(43, 217, 124, 0.15);
  border-color: rgba(43, 217, 124, 0.4);
}

.mcard-kicker {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #6f887d;
  text-transform: uppercase;
}

.mcard h3 {
  font-size: 24px;
  font-weight: 700;
  margin: 8px 0 12px;
  color: var(--foreground);
}

.mcard-desc {
  color: #8c9e95;
  font-size: 15px;
  line-height: 1.65;
  flex: 1;
}

.mcard-go {
  display: -webkit-inline-flex;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 24px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  transition: gap 0.2s;
}

.mcard:hover .mcard-go {
  gap: 10px;
}

/* ---------- 6. 深度特写展示区 (Feature Showcase) ---------- */
.feature {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 64px;
}

.feature-rev {
  flex-direction: row-reverse;
  -webkit-flex-direction: row-reverse;
}

.feature-copy {
  flex: 1 1 48%;
  -webkit-flex: 1 1 48%;
}

.feature-media {
  flex: 1 1 52%;
  -webkit-flex: 1 1 52%;
}

.feature h2 {
  font-size: 38px;
  font-size: clamp(32px, 4vw, 44px);
  margin-bottom: 20px;
}

.feature-sub {
  color: #8c9e95;
  font-size: 17px;
  line-height: 1.75;
  max-width: 500px;
}

.chips {
  display: -webkit-flex;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 32px;
}

.chips li {
  font-size: 13px;
  font-weight: 500;
  color: #b2c2ba;
  padding: 8px 16px;
  border-radius: 20px;
  background: #0d1512;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: border-color 0.2s, background 0.2s;
}

.chips li:hover {
  border-color: rgba(43, 217, 124, 0.35);
  background: #111d17;
}

/* 音乐特写：黑胶拟真 + 景深歌词流 */
.music-media-showcase {
  background: radial-gradient(130% 130% at 30% 20%, rgba(43, 217, 124, 0.12), rgba(6, 11, 9, 0.95) 70%), #0a130f;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 44px;
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 36px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.vinyl-disc {
  position: relative;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: #050d09;
  border: 2px solid rgba(255, 255, 255, 0.12);
  flex: none;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.8), inset 0 0 20px rgba(0, 0, 0, 0.9);
  animation: vinyl-spin 20s linear infinite;
}

@keyframes vinyl-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.vinyl-grooves {
  position: absolute;
  top: 16px; right: 16px; bottom: 16px; left: 16px;
  inset: 16px;
  border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.08);
  box-shadow: 
    0 0 0 12px rgba(255, 255, 255, 0.03),
    0 0 0 24px rgba(255, 255, 255, 0.02);
}

.vinyl-label {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 52px;
  height: 52px;
  margin: -26px 0 0 -26px;
  border-radius: 50%;
  background: linear-gradient(135deg, #12382b, var(--primary));
  border: 2px solid #050d09;
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vinyl-center-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #050d09;
}

.lyric-stream {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.lyric-stream span {
  font-size: 16px;
  color: #4b6156;
  transition: color 0.3s;
}

.lyric-stream span.active-line {
  color: var(--primary);
  font-size: 22px;
  font-weight: 700;
  text-shadow: 0 0 24px rgba(43, 217, 124, 0.4);
}

/* 机台特写：复古 CRT 扫描线外壳质感 */
.arcade-media-showcase {
  background: #0b1410;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.arcade-media-showcase::after {
  content: "";
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(43, 217, 124, 0.03) 2px, rgba(43, 217, 124, 0.03) 4px);
  pointer-events: none;
  border-radius: 24px;
}

.arcade-bar {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 13px;
  font-weight: 600;
}

.arcade-status-tag {
  display: -webkit-inline-flex;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-family: monospace;
}

.arcade-game-rows {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
}

.arcade-game-row {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  background: #0e1914;
  border: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 14px;
  color: var(--foreground);
}

.arcade-game-row.active {
  background: rgba(43, 217, 124, 0.12);
  border-color: rgba(43, 217, 124, 0.35);
  color: var(--foreground);
}

.badge-core {
  font-family: monospace;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
}

.badge-nes {
  background: rgba(43, 217, 124, 0.15);
  color: var(--primary);
  border: 1px solid rgba(43, 217, 124, 0.3);
}

.badge-arc {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.arcade-core-tag {
  margin-left: auto;
  font-family: monospace;
  font-size: 11px;
  color: #6f887d;
}

/* ---------- 7. 影院模块展示 (Cinema Showcase) ---------- */
.cinema-grid {
  display: -webkit-flex;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.film-card {
  flex: 1 1 320px;
  -webkit-flex: 1 1 320px;
  background: #0c1410;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s;
}

.film-card:hover {
  transform: translateY(-6px);
  border-color: rgba(43, 217, 124, 0.4);
}

.film-poster {
  width: 100%;
  height: 200px;
  background: #111a15;
  overflow: hidden;
  position: relative;
}

.film-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.film-card:hover .film-poster img {
  transform: scale(1.04);
}

.film-badge-age {
  position: absolute;
  top: 14px;
  right: 14px;
  background: color-mix(in srgb, var(--background) 85%, transparent);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--primary);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  font-family: monospace;
}

.film-body {
  padding: 24px;
}

.film-cat {
  font-family: monospace;
  font-size: 11px;
  color: var(--primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.film-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 6px 0 10px;
  color: var(--foreground);
}

.film-desc {
  color: #8c9e95;
  font-size: 14px;
  line-height: 1.6;
}

.cinema-note {
  margin-top: 36px;
  text-align: center;
  color: #6f887d;
  font-size: 14px;
  font-family: monospace;
}

/* ---------- 8. 极客页脚 (Terminal Footer) ---------- */
.site-footer {
  margin-top: 80px;
  padding: 48px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #050907;
}

.footer-inner {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.foot-brand strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--foreground);
}

.foot-brand span {
  font-size: 13px;
  color: #6f887d;
}

.foot-nav {
  display: -webkit-flex;
  display: flex;
  gap: 20px;
}

.foot-nav a {
  font-size: 14px;
  color: #8c9e95;
  transition: color 0.15s;
}

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

.foot-copy {
  font-family: monospace;
  font-size: 12px;
  color: #6f887d;
}

/* ---------- 9. 响应式布局断点 ---------- */
@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    -webkit-flex-direction: column;
    gap: 48px;
    padding-top: 64px;
    padding-bottom: 64px;
  }
  .feature, .feature-rev {
    flex-direction: column;
    -webkit-flex-direction: column;
    gap: 40px;
  }
  .header-inner {
    height: auto;
    padding-top: 14px;
    padding-bottom: 14px;
    flex-wrap: wrap;
  }
  .search {
    width: 100%;
    order: 3;
  }
}


/* 10-Foot TV */
html.is-tv { font-size: 18px; }
html.is-tv .wrap { padding-left: 5vw; padding-right: 5vw; }
html.is-tv .hero-title, html.is-tv #hero-title { font-size: clamp(36px, 5vw, 56px); }
html.is-tv .btn { min-height: 48px; padding: 14px 24px; font-size: 18px; }
html.is-tv .site-nav a { font-size: 18px; padding: 12px 16px; }