/* ============================================================
   燃音声工坊 · 主样式表
   风格：暖橙热情 · 积极阳光 · 配音艺术
   ============================================================ */

:root {
  /* 主暖色系 */
  --orange-deep:   #c84b11;
  --orange-mid:    #f7630c;
  --orange-light:  #ff8c42;
  --amber:         #ffb347;
  --gold:          #ffd700;
  --warm-red:      #e8431a;
  --cream:         #fff8f0;

  /* 深色背景 */
  --dark:          #1a0e05;
  --dark-2:        #221408;
  --dark-3:        #2e1c0c;

  /* 文字 */
  --text-primary:  #1a0e05;
  --text-secondary:#6b4226;
  --text-light:    #a07050;
  --white:         #ffffff;
  --bg-light:      #fff8f0;

  /* 通用 */
  --radius:        16px;
  --shadow:        0 8px 40px rgba(200,75,17,0.12);
  --shadow-dark:   0 8px 40px rgba(0,0,0,0.4);
  --font-serif:    'Noto Serif SC', 'STSong', 'SimSun', serif;
  --font-sans:     'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --transition:    0.3s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   导航栏
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 0;
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(26,14,5,0.96);
  backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.35);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
}
.brand-icon { font-size: 28px; }
.brand-logo {
  height: 120px !important;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
  max-width: none !important;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand-title {
  font-family: 'Noto Serif SC', 'Songti SC', serif;
  font-size: 36px;
  font-weight: 800;
  letter-spacing: 6px;
  background: linear-gradient(135deg, #fff 0%, #f0e6d3 50%, #d4a017 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.brand-subtitle {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 4px;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 4px;
  text-align: center;
}
.brand-name {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 2px;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all var(--transition);
  font-weight: 500;
}
.nav-link:hover, .nav-link.active {
  color: var(--white);
  background: rgba(255,140,66,0.18);
}
.nav-cta {
  background: linear-gradient(135deg, var(--orange-mid), var(--warm-red));
  color: var(--white) !important;
  padding: 9px 22px;
  border-radius: 25px;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(247,99,12,0.45);
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(247,99,12,0.6);
  background: linear-gradient(135deg, #ff9a3c, #d93c10) !important;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================================
   Hero 区域
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, #1a0e05 0%, #2e1c0c 25%, #7a2d00 60%, #c84b11 85%, #e8431a 100%);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 15% 55%, rgba(255,140,66,0.25) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 15%, rgba(255,211,70,0.18) 0%, transparent 50%),
    radial-gradient(ellipse at 65% 80%, rgba(200,75,17,0.3) 0%, transparent 50%);
}
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,200,80,0.08);
  animation: floatParticle linear infinite;
}
@keyframes floatParticle {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100px) rotate(360deg); opacity: 0; }
}

/* 录音设备 SVG 装饰层 */
.hero-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}
.hero-deco svg {
  position: absolute;
  opacity: 0.055;
  fill: none;
  stroke: rgba(255,200,100,0.85);
  stroke-width: 1.2;
}
/* img 标签加载的 SVG 装饰 - 强制透明背景 */
.hero-deco img[class^="deco-"] {
  position: absolute;
  opacity: 0.4;
  background: transparent !important;
  mix-blend-mode: screen;
}
.deco-mic {
  width: 220px; height: 220px;
  top: 8%; right: 6%;
  animation: decoFloat 8s ease-in-out infinite;
}
.deco-soundcard {
  width: 260px; height: 160px;
  bottom: 12%; left: 4%;
  animation: decoFloat 10s ease-in-out infinite reverse;
}
.deco-console {
  width: 320px; height: 180px;
  top: 55%; right: 3%;
  animation: decoFloat 12s ease-in-out infinite 2s;
}
.deco-headphone {
  width: 180px; height: 180px;
  top: 15%; left: 7%;
  animation: decoFloat 9s ease-in-out infinite 1s;
}
.deco-wave {
  width: 300px; height: 80px;
  bottom: 22%; right: 18%;
  animation: decoFloat 7s ease-in-out infinite 3s;
}
@keyframes decoFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33%       { transform: translateY(-14px) rotate(1.5deg); }
  66%       { transform: translateY(8px) rotate(-1deg); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  padding: 120px 24px 80px;
  max-width: 820px;
}
.hero-badge {
  display: inline-block;
  padding: 6px 20px;
  border: 1px solid rgba(255,180,80,0.4);
  border-radius: 25px;
  font-size: 13px;
  letter-spacing: 3px;
  color: rgba(255,210,130,0.9);
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
  background: rgba(255,140,40,0.08);
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(52px, 8vw, 96px);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
}
.title-line {
  display: block;
  color: rgba(255,255,255,0.92);
}
.title-line.accent {
  background: linear-gradient(135deg, #ffd700, #ff8c42, #e8431a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 17px;
  color: rgba(255,230,190,0.75);
  line-height: 1.8;
  margin-bottom: 40px;
  font-weight: 300;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}
.btn-hero-primary {
  padding: 14px 36px;
  background: linear-gradient(135deg, var(--orange-mid), var(--warm-red));
  color: var(--white);
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  box-shadow: 0 8px 30px rgba(247,99,12,0.55);
  transition: all var(--transition);
}
.btn-hero-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(247,99,12,0.65);
}
.btn-hero-secondary {
  padding: 14px 36px;
  border: 1.5px solid rgba(255,200,120,0.45);
  color: rgba(255,230,180,0.9);
  border-radius: 50px;
  font-size: 16px;
  font-weight: 500;
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}
.btn-hero-secondary:hover {
  background: rgba(255,160,60,0.15);
  border-color: rgba(255,200,120,0.8);
  transform: translateY(-3px);
}
.hero-stats {
  display: flex;
  gap: 48px;
  justify-content: center;
}
.hero-stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
}
.stat-label {
  font-size: 12px;
  color: rgba(255,220,160,0.55);
  margin-top: 6px;
  letter-spacing: 1px;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,200,120,0.45);
  font-size: 12px;
  letter-spacing: 2px;
  animation: bounceDown 2s infinite;
}
.scroll-arrow {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,180,80,0.6), transparent);
}
@keyframes bounceDown {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   声音宣言
   ============================================================ */
.manifesto {
  padding: 80px 24px;
  background: var(--dark-2);
  text-align: center;
  position: relative;
  overflow: hidden;
}
/* 宣言区装饰 */
.manifesto::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Ccircle cx='40' cy='20' r='6' fill='none' stroke='%23f7630c' stroke-width='1' opacity='0.06'/%3E%3Cellipse cx='40' cy='20' rx='10' ry='14' fill='none' stroke='%23f7630c' stroke-width='1' opacity='0.04'/%3E%3Cline x1='40' y1='34' x2='40' y2='46' stroke='%23f7630c' stroke-width='1.2' opacity='0.05'/%3E%3Cpath d='M32 42 Q40 50 48 42' fill='none' stroke='%23f7630c' stroke-width='1' opacity='0.05'/%3E%3C/svg%3E");
  background-size: 80px 80px;
  pointer-events: none;
}
.manifesto-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.manifesto-quote {
  font-family: Georgia, serif;
  font-size: 120px;
  color: rgba(247,99,12,0.12);
  line-height: 0.6;
  margin-bottom: 20px;
  font-style: italic;
}
.manifesto-text {
  font-family: var(--font-serif);
  font-size: clamp(18px, 3vw, 26px);
  color: rgba(255,230,190,0.88);
  line-height: 1.9;
  font-weight: 400;
  font-style: normal;
}
.manifesto-author {
  margin-top: 24px;
  font-size: 14px;
  color: rgba(255,180,80,0.4);
  letter-spacing: 3px;
}

/* ============================================================
   通用 Section 样式
   ============================================================ */
.section { padding: 100px 0; }
.section-dark {
  background: var(--dark);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
/* 深色区域底纹（声波线条） */
.section-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='60' viewBox='0 0 120 60'%3E%3Cpath d='M0 30 Q10 10 20 30 Q30 50 40 30 Q50 10 60 30 Q70 50 80 30 Q90 10 100 30 Q110 50 120 30' fill='none' stroke='%23f7630c' stroke-width='0.8' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 120px 60px;
  pointer-events: none;
}
.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-header.light .section-title,
.section-header.light .section-desc { color: var(--white); }
.section-header.light .section-desc { color: rgba(255,220,170,0.6); }
.section-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--orange-mid);
  background: rgba(247,99,12,0.1);
  padding: 5px 16px;
  border-radius: 25px;
  margin-bottom: 16px;
  font-weight: 600;
  text-transform: uppercase;
}
.section-dark .section-tag {
  background: rgba(247,99,12,0.18);
  color: var(--amber);
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.2;
}
.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto;
}
.section-more {
  text-align: center;
  margin-top: 48px;
}
.btn-more {
  display: inline-block;
  padding: 12px 32px;
  border: 1.5px solid var(--orange-mid);
  color: var(--orange-mid);
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-more:hover {
  background: var(--orange-mid);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(247,99,12,0.35);
}
.section-dark .btn-more {
  border-color: rgba(255,180,80,0.45);
  color: rgba(255,210,150,0.85);
}
.section-dark .btn-more:hover {
  background: rgba(247,99,12,0.25);
  color: var(--white);
  border-color: var(--amber);
}

/* ============================================================
   照片流（瀑布流）
   ============================================================ */
.photo-masonry {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: 12px;
}
.photo-item { border-radius: var(--radius); overflow: hidden; position: relative; }
.photo-item.tall { grid-row: span 2; }
.photo-item.wide { grid-column: span 2; }
.photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: transform var(--transition);
  cursor: pointer;
}
.photo-item:hover .photo-placeholder { transform: scale(1.03); }
.photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.photo-item:hover img { transform: scale(1.05); }
.photo-emoji { font-size: 40px; }
.photo-caption {
  font-size: 13px;
  color: rgba(255,255,255,0.9);
  font-weight: 500;
  letter-spacing: 1px;
  padding: 0 12px;
  text-align: center;
}
.photo-item .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,14,5,0.75), transparent);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 16px;
}
.photo-item:hover .overlay { opacity: 1; }
.overlay-text { color: var(--white); font-size: 13px; font-weight: 500; }

/* ============================================================
   活动卡片
   ============================================================ */
.events-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.event-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,180,80,0.12);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
}
.event-card:hover {
  transform: translateY(-6px);
  background: rgba(255,140,60,0.1);
  border-color: rgba(247,99,12,0.4);
  box-shadow: 0 20px 60px rgba(247,99,12,0.2);
}
.event-cover {
  height: 180px;
  position: relative;
  overflow: hidden;
}
.event-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.event-card:hover .event-cover img { transform: scale(1.06); }
.event-cover-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 48px;
}
.event-cat-badge {
  position: absolute;
  top: 12px; left: 12px;
  background: rgba(26,14,5,0.6);
  backdrop-filter: blur(8px);
  color: var(--amber);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 25px;
  letter-spacing: 1px;
}
.event-body { padding: 20px; }
.event-title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.event-meta {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 16px;
}
.event-meta-item {
  font-size: 12px;
  color: rgba(255,210,150,0.5);
  display: flex;
  align-items: center;
  gap: 6px;
}
.event-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.event-price { font-size: 18px; font-weight: 700; color: #ff4d4f; }
.event-price.free { color: #52c41a; }
.event-btn {
  padding: 7px 18px;
  background: linear-gradient(135deg, var(--orange-mid), var(--warm-red));
  color: var(--white);
  border-radius: 25px;
  font-size: 13px;
  font-weight: 600;
  transition: all var(--transition);
}
.event-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(247,99,12,0.45);
}
.event-skeleton {
  height: 320px;
  background: linear-gradient(90deg, rgba(255,140,60,0.04) 25%, rgba(255,140,60,0.08) 50%, rgba(255,140,60,0.04) 75%);
  background-size: 200% 100%;
  animation: skeleton 1.5s infinite;
  border-radius: var(--radius);
}
@keyframes skeleton {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================================
   文章布局
   ============================================================ */
.articles-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 24px;
}

/* 文章区暖色背景 */
.articles-section {
  background: var(--cream);
  position: relative;
  overflow: hidden;
}
.articles-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Crect x='20' y='15' width='60' height='70' rx='6' fill='none' stroke='%23f7630c' stroke-width='0.8' opacity='0.05'/%3E%3Ccircle cx='50' cy='35' r='10' fill='none' stroke='%23f7630c' stroke-width='0.8' opacity='0.04'/%3E%3Cellipse cx='50' cy='35' rx='14' ry='18' fill='none' stroke='%23f7630c' stroke-width='0.7' opacity='0.03'/%3E%3Cline x1='50' y1='53' x2='50' y2='65' stroke='%23f7630c' stroke-width='1' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 100px 100px;
  pointer-events: none;
}

.article-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(200,75,17,0.08);
  transition: all var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}
.article-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(200,75,17,0.18);
}
.article-card.featured {
  grid-column: span 2;
  flex-direction: row;
}
.article-cover {
  height: 200px;
  overflow: hidden;
  flex-shrink: 0;
}
.article-card.featured .article-cover {
  width: 50%;
  height: auto;
  min-height: 260px;
}
.article-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.article-card:hover .article-cover img { transform: scale(1.05); }
.article-cover-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 48px;
}
.article-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.article-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--orange-mid);
  background: rgba(247,99,12,0.1);
  padding: 3px 12px;
  border-radius: 25px;
  margin-bottom: 12px;
  font-weight: 600;
  align-self: flex-start;
}
.article-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card.featured .article-title { font-size: 22px; }
.article-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(200,75,17,0.08);
}
.author-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange-mid), var(--warm-red));
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; color: var(--white); font-weight: 700;
  flex-shrink: 0;
}
.article-meta-text { font-size: 12px; color: var(--text-light); }

/* ============================================================
   课程卡片
   ============================================================ */
.courses-section {
  background: var(--white);
}
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.course-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(200,75,17,0.08);
  transition: all var(--transition);
  display: block;
  text-decoration: none;
}
.course-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(200,75,17,0.18);
}
.course-cover {
  height: 160px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.course-info {
  padding: 20px;
}
.course-cat {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--orange-mid);
  background: rgba(247,99,12,0.1);
  padding: 3px 10px;
  border-radius: 25px;
  margin-bottom: 10px;
  font-weight: 600;
}
.course-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}
.course-teacher {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.course-price {
  display: flex;
  align-items: baseline;
}
.course-price .price-num {
  font-size: 20px;
  font-weight: 700;
  color: #ff4d4f;
}
.course-price .price-unit {
  font-size: 13px;
  color: #ff4d4f;
  margin-left: 2px;
}
.course-price .price-free {
  font-size: 16px;
  font-weight: 700;
  color: #2a9d50;
}

/* ============================================================
   商品卡片
   ============================================================ */
.products-section {
  background: var(--cream);
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(200,75,17,0.08);
  transition: all var(--transition);
  display: block;
  text-decoration: none;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(200,75,17,0.18);
}
.product-cover {
  height: 180px;
  background-size: cover;
  background-position: center;
}
.product-info {
  padding: 16px;
}
.product-title {
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 10px;
}
.product-price .price-num {
  font-size: 18px;
  font-weight: 700;
  color: var(--orange-deep);
}
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-light);
  font-size: 15px;
}

/* ============================================================
   CTA 区域
   ============================================================ */
.cta-section {
  position: relative;
  padding: 120px 24px;
  text-align: center;
  overflow: hidden;
}
.cta-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #7a2d00 0%, var(--orange-mid) 45%, var(--amber) 100%);
}
/* CTA 区录音台装饰纹 */
.cta-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='80' viewBox='0 0 160 80'%3E%3Crect x='10' y='20' width='140' height='40' rx='8' fill='none' stroke='%23fff' stroke-width='0.8' opacity='0.06'/%3E%3Ccircle cx='30' cy='40' r='6' fill='none' stroke='%23fff' stroke-width='0.8' opacity='0.06'/%3E%3Ccircle cx='50' cy='40' r='6' fill='none' stroke='%23fff' stroke-width='0.8' opacity='0.06'/%3E%3Ccircle cx='70' cy='40' r='6' fill='none' stroke='%23fff' stroke-width='0.8' opacity='0.06'/%3E%3Ccircle cx='90' cy='40' r='6' fill='none' stroke='%23fff' stroke-width='0.8' opacity='0.06'/%3E%3Cline x1='110' y1='28' x2='110' y2='52' stroke='%23fff' stroke-width='0.8' opacity='0.06'/%3E%3Cline x1='125' y1='28' x2='125' y2='52' stroke='%23fff' stroke-width='0.8' opacity='0.06'/%3E%3Cline x1='140' y1='28' x2='140' y2='52' stroke='%23fff' stroke-width='0.8' opacity='0.06'/%3E%3C/svg%3E");
  background-size: 160px 80px;
}
.cta-content { position: relative; z-index: 1; }
.cta-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
}
.cta-desc {
  font-size: 18px;
  color: rgba(255,245,220,0.8);
  margin-bottom: 40px;
  font-weight: 300;
}
.btn-cta {
  display: inline-block;
  padding: 16px 48px;
  background: var(--white);
  color: var(--orange-deep);
  border-radius: 50px;
  font-size: 17px;
  font-weight: 700;
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
  transition: all var(--transition);
}
.btn-cta:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 50px rgba(0,0,0,0.3);
  background: #fff8f0;
}

/* ============================================================
   页脚
   ============================================================ */
.footer {
  background: var(--dark);
  color: rgba(255,220,170,0.65);
  padding: 80px 0 0;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Ccircle cx='40' cy='25' r='7' fill='none' stroke='%23f7630c' stroke-width='0.8' opacity='0.04'/%3E%3Cellipse cx='40' cy='25' rx='11' ry='15' fill='none' stroke='%23f7630c' stroke-width='0.7' opacity='0.03'/%3E%3Cline x1='40' y1='40' x2='40' y2='55' stroke='%23f7630c' stroke-width='1' opacity='0.04'/%3E%3Cpath d='M30 50 Q40 60 50 50' fill='none' stroke='%23f7630c' stroke-width='0.8' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 80px 80px;
  pointer-events: none;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 60px;
  position: relative;
  z-index: 1;
}
.footer-logo {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-tagline {
  font-size: 14px;
  color: rgba(255,180,80,0.4);
  margin-bottom: 20px;
}
.footer-social { display: flex; gap: 10px; }
.social-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,140,40,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  transition: all var(--transition);
}
.social-btn:hover {
  background: var(--orange-mid);
  transform: translateY(-2px);
}
.footer-links h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links li a {
  font-size: 14px;
  color: rgba(255,200,130,0.5);
  transition: color var(--transition);
}
.footer-links li a:hover { color: var(--amber); }

/* 页脚横向布局 */
.footer-links-wide { flex: 2; }
.footer-links-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-links-row a {
  font-size: 14px;
  color: rgba(255,200,130,0.5);
  transition: color var(--transition);
}
.footer-links-row a:hover { color: var(--amber); }

.footer-cat-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin-bottom: 12px;
}
.footer-cat-title {
  font-size: 13px;
  color: var(--amber);
  font-weight: 500;
}
.footer-cat-group a {
  font-size: 13px;
  color: rgba(255,200,130,0.5);
  transition: color var(--transition);
}
.footer-cat-group a:hover { color: var(--amber); }

.footer-contact h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
}
.footer-contact p {
  font-size: 14px;
  color: rgba(255,200,130,0.5);
  margin-bottom: 10px;
}
.footer-bottom {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-beian {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}
.footer-beian a {
  color: rgba(255,255,255,0.4);
  text-decoration: none;
}
.footer-beian a:hover {
  color: rgba(255,255,255,0.7);
}
  border-top: 1px solid rgba(255,140,40,0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,180,80,0.22);
  position: relative;
  z-index: 1;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .events-grid { grid-template-columns: repeat(2, 1fr); }
  .photo-masonry { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 100vh;
    background: rgba(26,14,5,0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    z-index: 999;
  }
  .nav-menu.open { display: flex; }
  .nav-link { font-size: 20px; padding: 12px 24px; }
  .nav-toggle { display: flex; z-index: 1001; }
  .hero-stats { gap: 24px; }
  .stat-num { font-size: 28px; }
  .events-grid { grid-template-columns: 1fr; }
  .photo-masonry { grid-template-columns: repeat(2, 1fr); }
  .photo-item.wide { grid-column: span 1; }
  .articles-layout { grid-template-columns: 1fr; }
  .article-card.featured { flex-direction: column; }
  .article-card.featured .article-cover { width: 100%; min-height: 200px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .manifesto-text { font-size: 18px; }
  .deco-mic, .deco-soundcard, .deco-console, .deco-headphone, .deco-wave {
    opacity: 0.03;
  }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .photo-masonry { grid-template-columns: 1fr 1fr; grid-auto-rows: 150px; }
  .photo-item.tall { grid-row: span 1; }
}