/**
 * 墨音堂乐器 — 深色典雅音乐品牌主题
 * 设计：深蓝黑基底 + 金色高雅点缀 + 象牙白文字
 * 风格：音乐厅画册，大留白，杂志感排版
 * 纯原生 CSS，架构：第三方模板模式（{pboot:sitedomain}/skin/）
 */

/* Google Fonts — 中英文优雅字体 */
@import url('../vendor/google-fonts.css');

/* ============================================================
   CSS 变量体系
   ============================================================ */
:root {
  /* 基底色 — 音乐厅深色 */
  --bg-deep: #0D0D1A;
  --bg-primary: #1A1A2E;
  --bg-night: #131325;
  --bg-card: rgba(26, 26, 46, 0.85);
  --bg-card-hover: rgba(26, 26, 46, 0.95);
  --bg-input: rgba(255, 255, 255, 0.04);

  /* 金色系 — 高雅点缀 */
  --gold: #C9A84C;
  --gold-light: #D4B96A;
  --gold-dark: #B8943A;
  --gold-dim: rgba(201, 168, 76, 0.12);
  --gold-glow: rgba(201, 168, 76, 0.2);

  /* 象牙白 — 文字 */
  --ivory: #F5F0E8;
  --ivory-dim: rgba(245, 240, 232, 0.6);

  /* 文字色阶 */
  --text-primary: #F5F0E8;
  --text-secondary: #B8B0A0;
  --text-muted: #6B6560;

  /* 边框 */
  --border-subtle: rgba(201, 168, 76, 0.1);
  --border-gold: rgba(201, 168, 76, 0.25);
  --border-gold-solid: rgba(201, 168, 76, 0.4);

  /* 阴影 */
  --shadow-card: 0 4px 32px rgba(0, 0, 0, 0.5);
  --shadow-gold: 0 0 40px rgba(201, 168, 76, 0.08);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.6);

  /* 圆角 — 小圆角精致感 */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* 间距 */
  --section-py: 90px;
  --section-py-sm: 60px;
  --container-max: 1240px;
  --container-narrow: 880px;
  --header-h: 72px;

  /* 过渡 */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 600ms;

  /* 字体 */
  --font-heading: 'Noto Serif SC', 'STZhongsong', '华文中宋', 'SimSun', '宋体', serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', '微软雅黑', 'Hiragino Sans GB', -apple-system, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg-deep);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 60% at 50% -20%, rgba(201, 168, 76, 0.04) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 80% 50%, rgba(26, 26, 46, 0.6) 0%, transparent 70%),
    var(--bg-deep);
}

::selection { background: var(--gold); color: var(--bg-deep); }

a { color: inherit; text-decoration: none; transition: color var(--duration-fast) var(--ease-out); }
a:hover { color: var(--gold); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
input, select, textarea { font: inherit; color: inherit; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: var(--section-py) 0; }
.section-sm { padding: var(--section-py-sm) 0; }

/* 装饰线 */
.decorative-line {
  display: block;
  width: 48px;
  height: 2px;
  background: var(--gold);
  margin: 0 auto 20px;
  opacity: 0.7;
}

/* ============================================================
   排版
   ============================================================ */
.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.02rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
}

/* ============================================================
   按钮
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.92rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--duration-normal) var(--ease-out);
  letter-spacing: 0.03em;
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary {
  background: var(--gold);
  color: var(--bg-deep);
  border: 1px solid var(--gold);
}
.btn--primary:hover {
  background: var(--gold-light);
  color: var(--bg-deep);
  box-shadow: 0 0 30px var(--gold-glow);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--border-gold-solid);
}
.btn--outline:hover {
  background: var(--gold-dim);
  border-color: var(--gold);
  box-shadow: 0 0 20px var(--gold-glow);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}
.btn--ghost:hover {
  color: var(--gold);
  border-color: var(--border-gold);
}

.btn--lg { padding: 15px 36px; font-size: 1rem; }
.btn--sm { padding: 8px 18px; font-size: 0.82rem; }

.pulse {
  animation: pulse-gold 2.5s ease-in-out infinite;
}
@keyframes pulse-gold {
  0%, 100% { box-shadow: 0 0 0 0 var(--gold-glow); }
  50% { box-shadow: 0 0 0 16px transparent; }
}

/* ============================================================
   Header / 导航
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(13, 13, 26, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--duration-normal) var(--ease-out);
}
.header.scrolled {
  background: rgba(13, 13, 26, 0.98);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.4);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.header__logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gold);
  color: var(--bg-deep);
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
}
.header__logo-text { display: flex; flex-direction: column; }
.header__logo-name {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: 0.03em;
}
.header__logo-sub {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

/* 导航 */
.header__nav { display: flex; align-items: center; gap: 6px; }

.header__nav-link {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.header__nav-link:hover,
.header__nav-link.active { color: var(--gold); }

.header__nav-item { position: relative; }

/* 下拉菜单 (13.3: z-index足够高) */
.header__nav-item:hover .header__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header__dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: rgba(19, 19, 37, 0.98);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: 8px;
  min-width: 160px;
  z-index: 60;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  box-shadow: var(--shadow-lg);
}
.header__dropdown a {
  display: block;
  padding: 10px 16px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}
.header__dropdown a:hover {
  background: var(--gold-dim);
  color: var(--gold);
}

/* 右侧操作区 */
.header__actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

.header__cta {
  padding: 9px 20px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gold);
  border: 1px solid var(--border-gold-solid);
  border-radius: var(--radius-sm);
  transition: all var(--duration-normal) var(--ease-out);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.header__cta:hover {
  background: var(--gold);
  color: var(--bg-deep);
}

/* 汉堡菜单 (13.4: 独立于 header__actions) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 115;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-primary);
  transition: all var(--duration-normal) var(--ease-out);
  border-radius: 1px;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

/* 移动端菜单 */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -300px;
  width: 280px;
  height: 100vh;
  background: var(--bg-primary);
  z-index: 110;
  transition: right var(--duration-normal) var(--ease-out);
  overflow-y: auto;
  padding: 24px;
  border-left: 1px solid var(--border-subtle);
}
.mobile-nav.active { right: 0; }

.mobile-nav__link {
  display: block;
  padding: 14px 16px;
  font-size: 1rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
}
.mobile-nav__link:hover { color: var(--gold); background: var(--gold-dim); }

.mobile-nav__sub {
  display: none;
  padding-left: 16px;
}
.mobile-nav__sub.open { display: block; }
.mobile-nav__sub a {
  display: block;
  padding: 10px 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
}
.mobile-nav__sub a:hover { color: var(--gold); }

.mobile-nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 105;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}
.mobile-nav__overlay.active { opacity: 1; visibility: visible; }

/* ============================================================
   Hero / 全屏 Banner
   ============================================================ */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.hero__slide {
  width: 100%; height: 100vh; min-height: 600px;
  background-size: cover; background-position: center;
  /* 兜底：当幻灯片图片为空时显示金色渐变 */
  background-image: linear-gradient(160deg, #0D0D1A 0%, #1A1A2E 30%, #1a1f35 60%, #0D0D1A 100%);
}
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg, rgba(13,13,26,0.6) 0%, rgba(13,13,26,0.3) 40%, rgba(13,13,26,0.85) 100%);
}
.hero__content {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 24px;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.15;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
  max-width: 800px;
}
.hero__title::after {
  content: '';
  display: block;
  width: 80px;
  height: 2px;
  background: var(--gold);
  margin: 20px auto 0;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--ivory-dim);
  max-width: 600px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }

.hero-pagination {
  position: absolute;
  bottom: 40px;
  z-index: 5;
  display: flex;
  gap: 10px;
}

/* 滚动指示器 */
.hero__scroll {
  position: absolute;
  bottom: 40px;
  right: 40px;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  writing-mode: vertical-rl;
}

/* ============================================================
   内页 Banner
   ============================================================ */
.inner-banner {
  position: relative;
  height: 340px;
  overflow: hidden;
  background: var(--bg-night);
  margin-top: var(--header-h);
}
.inner-banner__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  /* 兜底：无栏目图时显示暗色渐变 */
  background-image: linear-gradient(180deg, #1A1A2E 0%, #131325 50%, #0D0D1A 100%);
}
.inner-banner__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13,13,26,0.5) 0%, rgba(13,13,26,0.85) 100%);
}
.inner-banner__content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  z-index: 2;
  padding: 0 24px;
}
.inner-banner__title {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.03em;
}
.inner-banner__subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* 面包屑 */
.breadcrumb-bar {
  background: var(--bg-night);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: var(--header-h);
  z-index: 40;
}
.breadcrumb {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 14px 24px;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { color: var(--text-muted); }

/* ============================================================
   卡片
   ============================================================ */
.card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}
.card:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
  transform: translateY(-2px);
  color: inherit;
}
.card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  /* 兜底：无图片时显示深色渐变背景 */
  background: linear-gradient(135deg, #131325 0%, #1A1A2E 50%, #131325 100%);
}
.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}
.card:hover .card__image img { transform: scale(1.04); }

.card__body { padding: 20px; }
.card__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
.card__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 8px;
}
.card__price {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--gold);
  margin-top: 10px;
}
.card-glow-border {
  position: relative;
}
.card-glow-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, transparent 30%, var(--border-gold) 50%, transparent 70%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ============================================================
   网格布局
   ============================================================ */
.list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* ============================================================
   Features / 亮点
   ============================================================ */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-out);
}
.feature-card:hover { border-color: var(--border-gold); }
.feature-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--gold);
  background: var(--gold-dim);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-gold);
}
.feature-card__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.feature-card__desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================================
   统计数字
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  padding: 28px 16px;
}
.stat-item__number {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.2;
}
.stat-item__label {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ============================================================
   Brand 墙
   ============================================================ */
.brand-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.brand-item {
  padding: 20px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-out);
  min-width: 120px;
}
.brand-item:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-gold);
}
.brand-item__name {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--text-primary);
  font-weight: 600;
}
.brand-item__note {
  font-size: 0.72rem;
  color: var(--gold);
  margin-top: 4px;
}

/* ============================================================
   新闻模块
   ============================================================ */
.news-featured {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
}
.news-featured__main .card__image { aspect-ratio: 16/9; }
.news-featured__side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-featured__side .card { display: flex; flex-direction: row; }
.news-featured__side .card__image { width: 140px; aspect-ratio: auto; min-height: 100px; flex-shrink: 0; }
.news-featured__side .card__body { flex: 1; display: flex; flex-direction: column; justify-content: center; }

/* ============================================================
   CTA 区块
   ============================================================ */
.cta-section {
  padding: var(--section-py) 0;
  text-align: center;
}
.cta-section__title {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

/* ============================================================
   详情页
   ============================================================ */
.detail { max-width: var(--container-narrow); margin: 0 auto; }

.detail__header { margin-bottom: 28px; }
.detail__title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}
.detail__meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.detail__meta-row span { display: flex; align-items: center; gap: 5px; }

/* 产品参数卡 */
.detail__params {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin-bottom: 32px;
}
.detail__param {
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  text-align: center;
}
.detail__param-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}
.detail__param-value {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--text-primary);
  font-weight: 500;
}

.detail__body {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--text-secondary);
}
.detail__body img { border-radius: var(--radius-md); margin: 20px 0; }
.detail__body p { margin-bottom: 14px; }
.detail__body h2, .detail__body h3 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  margin: 28px 0 12px;
}
.detail__body table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}
.detail__body td, .detail__body th {
  padding: 10px 14px;
  border: 1px solid var(--border-subtle);
  font-size: 0.88rem;
}
.detail__body th { background: var(--bg-card); color: var(--text-primary); font-weight: 500; }

.detail__pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  margin-top: 48px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

.related-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--text-primary);
  margin: 56px 0 20px;
}

/* 产品详情左右布局 */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.product-detail__gallery {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}
.product-detail__info { }

.product-detail__name {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 8px;
}
.product-detail__subtitle {
  font-size: 0.9rem;
  color: var(--gold);
  margin-bottom: 16px;
}

/* 规格表格 */
.spec-table {
  width: 100%;
  margin: 20px 0;
}
.spec-table tr { border-bottom: 1px solid var(--border-subtle); }
.spec-table td {
  padding: 12px 0;
  font-size: 0.9rem;
}
.spec-table td:first-child { color: var(--text-muted); width: 80px; }
.spec-table td:last-child { color: var(--text-primary); font-weight: 500; }

/* ============================================================
   过滤栏
   ============================================================ */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 0;
  flex-wrap: wrap;
}
.filter-bar a {
  padding: 8px 18px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--duration-fast) var(--ease-out);
}
.filter-bar a:hover,
.filter-bar a.active { color: var(--gold); background: var(--gold-dim); }

/* ============================================================
   分页
   ============================================================ */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.pagination a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
}
.pagination a:hover,
.pagination a.active { color: var(--gold); border-color: var(--border-gold); background: var(--gold-dim); }

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state i { font-size: 3rem; color: var(--gold); opacity: 0.3; margin-bottom: 12px; display: block; }
.empty-state p { font-size: 1rem; }

/* ============================================================
   联系我们
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.contact-info__item {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-subtle);
  align-items: flex-start;
}
.contact-info__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gold-dim);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  color: var(--gold);
  flex-shrink: 0;
}
.contact-info__label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.contact-info__value { color: var(--text-primary); }

.contact-form-card {
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

/* 表单 */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.required { color: #E05252; }
.form-control {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  transition: border-color var(--duration-fast) var(--ease-out);
  outline: none;
}
.form-control:focus { border-color: var(--border-gold); }
.form-control::placeholder { color: var(--text-muted); }

select.form-control { appearance: none; cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }

/* ============================================================
   搜索
   ============================================================ */
.search-box { padding: 20px 0 0; }
.search-form-row { display: flex; gap: 10px; max-width: 600px; margin: 0 auto; }
.search-input-wrap {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}
.search-input-wrap i {
  position: absolute;
  left: 16px;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.search-input-wrap input {
  width: 100%;
  padding: 14px 16px 14px 44px;
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-out);
}
.search-input-wrap input:focus { border-color: var(--border-gold); }

.search-result-item {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--duration-fast) var(--ease-out);
}
.search-result-item:hover { padding-left: 8px; color: inherit; border-color: var(--border-gold); }
.search-result-item__thumb {
  width: 120px;
  height: 90px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-night);
}
.search-result-item__thumb img { width: 100%; height: 100%; object-fit: cover; }
.search-result-item__info { flex: 1; }
.search-result-item__title {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.search-result-item__date { font-size: 0.78rem; color: var(--gold); }
.search-result-item__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   画廊
   ============================================================ */
.gallery-item {
  display: block;
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--bg-night);
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--duration-slow) var(--ease-out); }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.7) 100%);
  display: flex;
  align-items: flex-end;
  padding: 16px;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}
.gallery-item:hover .gallery-item__overlay { opacity: 1; }
.gallery-item__title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--text-primary);
}

/* ============================================================
   课程卡片
   ============================================================ */
.course-card {
  padding: 32px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-out);
}
.course-card:hover { border-color: var(--border-gold); transform: translateY(-2px); }
.course-card__icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--gold);
  background: var(--gold-dim);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
}
.course-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.course-card__desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; }

/* ============================================================
   列表页 header
   ============================================================ */
.list-header { text-align: center; margin-bottom: 40px; }
.list-header h1 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  position: relative;
}
.footer__top-line {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.4;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 56px 24px 36px;
}

.footer__brand-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}
.footer__social {
  display: flex;
  gap: 10px;
}
.footer__social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: all var(--duration-fast) var(--ease-out);
}
.footer__social a:hover { color: var(--gold); border-color: var(--border-gold); }

.footer__col-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-bottom: 16px;
  font-weight: 600;
}
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a { font-size: 0.88rem; color: var(--text-muted); transition: all var(--duration-fast) var(--ease-out); }
.footer__links a:hover { color: var(--gold); padding-left: 4px; }

.footer__contact-item {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
  align-items: flex-start;
}
.footer__contact-item i { color: var(--gold); margin-top: 4px; flex-shrink: 0; }

.footer__qrcode {
  width: 80px;
  height: 80px;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.6;
}

/* 友情链接 */
.friend-links {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 20px 0;
  border-top: 1px solid var(--border-subtle);
}
.friend-links__label { font-size: 0.82rem; color: var(--text-muted); flex-shrink: 0; }
.friend-links a { font-size: 0.82rem; color: var(--text-muted); transition: color var(--duration-fast) var(--ease-out); }
.friend-links a:hover { color: var(--gold); }

/* 底部版权 */
.footer__bottom {
  border-top: 1px solid var(--border-subtle);
  padding: 20px 0;
}
.footer__bottom-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* 返回顶部 */
.back-top {
  position: fixed;
  bottom: 32px;
  right: 24px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  color: var(--gold);
  font-size: 1rem;
  z-index: 80;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
}
.back-top.visible { opacity: 1; visibility: visible; }
.back-top:hover { background: var(--gold); color: var(--bg-deep); }

/* ============================================================
   响应式 — 768px 断点
   ============================================================ */
@media (max-width: 1023px) {
  :root { --section-py: 64px; --section-py-sm: 40px; }

  .header__nav { display: none; }
  .header__actions { display: none; }
  .hamburger { display: flex; }

  .hero { height: 70vh; min-height: 480px; }
  .hero__slide { height: 70vh; min-height: 480px; }

  .inner-banner { height: 240px; }
  .inner-banner__title { font-size: 1.8rem; }

  .list-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .news-featured { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .product-detail { grid-template-columns: 1fr; gap: 24px; }

  .footer__grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }

  .section-title { font-size: 1.9rem; }
  .detail__title { font-size: 1.6rem; }
}

@media (max-width: 767px) {
  :root { --section-py: 48px; --container-max: 100%; --header-h: 60px; }

  .container { padding: 0 16px; }

  .hero { height: 60vh; min-height: 380px; }
  .hero__slide { height: 60vh; min-height: 380px; }
  .hero__title { font-size: 1.8rem; }
  .hero__subtitle { font-size: 0.9rem; }

  .inner-banner { height: 180px; }
  .inner-banner__title { font-size: 1.5rem; }

  .list-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .features { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .news-featured { grid-template-columns: 1fr; }
  .news-featured__side .card { flex-direction: column; }
  .news-featured__side .card__image { width: 100%; aspect-ratio: 16/9; }
  .contact-grid { grid-template-columns: 1fr; }
  .product-detail { grid-template-columns: 1fr; }
  .brand-grid { gap: 20px; }
  .detail__params { grid-template-columns: repeat(2, 1fr); }

  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom-inner { flex-direction: column; text-align: center; }

  .section-title { font-size: 1.6rem; }
  .btn { padding: 10px 22px; font-size: 0.85rem; }
  .header__cta { display: none; }

  .breadcrumb-bar { top: var(--header-h); }
  .pagination { gap: 4px; }
  .pagination a { min-width: 34px; height: 34px; font-size: 0.78rem; }
  .search-result-item { flex-direction: column; }
  .search-result-item__thumb { width: 100%; height: 160px; }
}

@media (max-width: 480px) {
  .hero { height: 55vh; min-height: 320px; }
  .hero__title { font-size: 1.5rem; }
  .stats { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .detail__params { grid-template-columns: 1fr 1fr; }
  .contact-form-card { padding: 20px; }
  .search-form-row { flex-direction: column; }
}

/* Compact music catalogue, retaining original desktop styling. */
@media(max-width:1023px){
 html,body{overflow-x:visible}body.page-inner{padding-top:calc(var(--header-h) + 16px)}
 .container,.breadcrumb{padding-left:20px;padding-right:20px}.inner-banner{margin-top:0;height:auto!important;min-height:160px}.inner-banner__content{position:relative;inset:auto;min-height:160px;padding:26px 20px;overflow-wrap:anywhere}.inner-banner__title{font-size:26px;line-height:1.45}.inner-banner__subtitle{font-size:13px}
 .breadcrumb-bar{position:static}.breadcrumb{flex-wrap:wrap;white-space:normal;overflow-wrap:anywhere;font-size:12px}
 .header__inner{padding:0 20px;gap:12px}.header__logo{min-width:0}.header__logo-icon,.hamburger{flex-shrink:0}.header:has(.hamburger.active){z-index:120}
 .mobile-nav{top:var(--header-h);height:calc(100dvh - var(--header-h));width:calc(100vw - 48px);max-width:340px;right:-100%;padding:20px 16px;visibility:hidden;pointer-events:none}.mobile-nav.active{right:0;visibility:visible;pointer-events:auto}.mobile-nav__link{min-height:44px;padding:11px 12px;font-size:14px}.mobile-nav__sub{padding:0}.mobile-nav__sub.open{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;padding:6px 0 12px}.mobile-nav__sub a{padding:10px;background:var(--gold-dim);font-size:12px}.mobile-nav__sub a:first-child{grid-column:1/-1}
 .list-grid>*,.gallery-grid>*,.features>*,.contact-grid>*,.footer__grid>*,.product-detail>*{min-width:0}.card__meta,.detail__meta-row{flex-wrap:wrap}.card__body,.detail__body,.detail__param-value,.spec-table,.contact-info__value,.footer__contact-item,.detail__pager{overflow-wrap:anywhere}
 .detail__body img,.detail__body iframe{max-width:100%;height:auto}.detail__body table{display:block;max-width:100%;overflow-x:auto}.spec-table{table-layout:fixed}
 [data-aos^="fade"]{transform:translateY(12px)}[data-aos^="fade"].aos-animate{transform:none}
 .form-control{min-width:0;max-width:100%;font-size:16px}form>div:has([name=checkcode]){flex-wrap:wrap}
}
@media(max-width:767px){
 :root{--section-py:34px;--section-py-sm:24px}.section-title{font-size:24px;line-height:1.5}.section-subtitle{font-size:13px}.section-tag{font-size:10px}.decorative-line{margin:14px auto}
 .section>.container>div[style*="margin-bottom:48px"]{margin-bottom:24px!important}
 .btn{min-height:44px;font-size:12px;padding:11px 14px;white-space:normal}.hero,.hero__slide{height:420px;min-height:0}.hero__content{padding:70px 20px 42px}.hero__title{font-size:27px;line-height:1.45;letter-spacing:.02em}.hero__title::after{margin-top:14px;width:50px}.hero__subtitle{font-size:13px;line-height:1.75;margin-bottom:22px}.hero__actions{gap:9px}.hero-pagination{bottom:20px}.hero__scroll{display:none}
 .brand-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.brand-item{min-width:0;padding:12px 6px}.brand-item__name{display:block;font-size:12px;overflow-wrap:anywhere}.brand-item__note{font-size:10px}
 .list-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.card__body{padding:14px 12px}.card__title{font-size:15px;line-height:1.6;display:block;-webkit-line-clamp:unset}.card__desc{font-size:12px;line-height:1.75}.card__tag{font-size:10px;padding:3px 6px}.card__meta{font-size:11px;gap:7px}.card__image{aspect-ratio:4/3}
 .home-featured .list-grid{grid-template-columns:1fr}.home-featured .card{display:grid;grid-template-columns:105px minmax(0,1fr)}.home-featured .card__image{height:100%;aspect-ratio:auto;min-height:160px}.home-featured .show-mobile{display:none}
 .features{grid-template-columns:1fr;gap:12px}.course-card{display:grid;grid-template-columns:38px minmax(0,1fr);gap:6px 14px;padding:20px 16px!important;text-align:left!important}.course-card__icon{grid-row:1/3;width:36px!important;height:36px!important;font-size:22px!important;margin:0!important}.course-card__title{font-size:17px!important;margin:0!important}.course-card__desc{font-size:12px!important;line-height:1.8}
 .gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.feature-card{padding:20px 14px}.feature-card__icon{width:42px;height:42px;margin-bottom:12px}.feature-card__title{font-size:17px}.feature-card__desc{font-size:12px}
 .news-featured{gap:12px}.news-featured__main,.news-featured__side .card{display:grid;grid-template-columns:86px minmax(0,1fr)}.news-featured__main .card__image,.news-featured__side .card__image{width:100%;height:100%;aspect-ratio:auto;min-height:110px}.news-featured__main .card__title{font-size:15px!important}.news-featured__side{gap:12px}
 .cta-section{padding:34px 0}.cta-section__title{font-size:25px;line-height:1.5}.cta-section p{font-size:13px!important;margin-bottom:24px!important}
 .footer__grid{padding:30px 20px 24px;grid-template-columns:minmax(0,1fr) 96px;gap:24px 16px}.footer__grid>div:nth-child(-n+2){grid-column:1/-1}.footer__links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.footer__brand-desc,.footer__links a,.footer__contact-item{font-size:12px}.footer__col-title{font-size:15px;margin-bottom:12px}.footer__bottom-inner{font-size:10px;padding:0 20px}.friend-links,.friend-links a{font-size:11px;gap:10px}
 .inner-banner__title{font-size:24px}.breadcrumb{font-size:11px}.detail__title,.product-detail__name{font-size:23px;line-height:1.5}.detail__body{font-size:14px}.detail__param{padding:12px 10px}.detail__param-value{font-size:14px}.detail__params{gap:10px}.detail__pager{font-size:12px;flex-wrap:wrap;gap:12px}.product-detail__gallery img{max-height:300px;object-fit:contain}.spec-table td{font-size:13px}.product-detail__info .btn{font-size:13px}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
 .stats{gap:12px}.stat-item{padding:16px 10px}.stat-item__number{font-size:28px}.stat-item__label{font-size:12px}
 .contact-grid{gap:24px}.contact-form-card{padding:24px 16px}.contact-info__value{font-size:13px}form>div[style*="grid"]{grid-template-columns:1fr!important;gap:12px!important}
 .search-form-row{flex-direction:row;flex-wrap:wrap}.search-form-row input{min-width:0}.search-result-item{flex-direction:row;gap:12px}.search-result-item__thumb{width:75px;height:95px;flex-shrink:0}.search-result-item>div{min-width:0}.search-result-item__title{font-size:15px}.search-result-item__desc{font-size:12px}.back-top{right:12px;width:40px;height:40px}
}