/* ========== 基础变量 ========== */
:root {
  --primary: #1a1a2e;
  --primary-light: #16213e;
  --accent: #c9a96e;
  --accent-light: #e8d5a8;
  --accent-dark: #a68944;
  --text: #2d2d2d;
  --text-light: #6b6b6b;
  --text-muted: #999;
  --bg: #fafaf8;
  --bg-white: #ffffff;
  --bg-warm: #f5f3ef;
  --border: #e8e4de;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-lg: 20px;
  --font-serif: 'Noto Serif SC', serif;
  --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.3s ease;
}

/* ========== Reset ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.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;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.navbar.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}
.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  background: var(--accent);
  color: white;
  border-radius: 8px;
  font-size: 1.1rem;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-light);
  transition: var(--transition);
  position: relative;
}
.nav-links a:hover { color: var(--primary); }
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: var(--transition);
}
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  background: var(--accent) !important;
  color: white !important;
  padding: 8px 20px;
  border-radius: 8px;
  font-weight: 500 !important;
}
.nav-cta:hover { background: var(--accent-dark) !important; }
.nav-cta::after { display: none !important; }
.nav-links a.nav-active { color: var(--primary); font-weight: 500; }
.nav-links a.nav-active::after { width: 100%; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
}
.btn-primary {
  background: var(--accent);
  color: white;
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(201,169,110,0.4);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  background: rgba(201,169,110,0.05);
}
.btn-block { width: 100%; }

/* ========== Hero ========== */
.hero {
  position: relative;
  padding: 160px 0 100px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, #0f3460 100%);
  color: white;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content {
  position: relative;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.hero-badge {
  display: inline-block;
  padding: 8px 24px;
  background: rgba(201,169,110,0.2);
  border: 1px solid rgba(201,169,110,0.3);
  border-radius: 50px;
  font-size: 0.9rem;
  color: var(--accent-light);
  margin-bottom: 28px;
  letter-spacing: 1px;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: 2px;
}
.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.8;
  opacity: 0.85;
  margin-bottom: 40px;
}
.hero-subtitle strong {
  color: var(--accent-light);
  font-size: 1.4rem;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 60px;
}
.hero .btn-outline {
  border-color: rgba(255,255,255,0.3);
  color: white;
}
.hero .btn-outline:hover {
  border-color: var(--accent-light);
  color: var(--accent-light);
  background: rgba(255,255,255,0.05);
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.stat { text-align: center; }
.stat-number {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--accent-light);
}
.stat-suffix {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--accent-light);
  opacity: 0.8;
}
.stat-label {
  display: block;
  font-size: 0.85rem;
  opacity: 0.6;
  margin-top: 4px;
}

/* ========== 通用 Section ========== */
.section {
  padding: 100px 0;
}
.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(201,169,110,0.1);
  color: var(--accent-dark);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.section-header h2 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}
.subsection-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
}

/* ========== 教学成果 ========== */
.achievements { background: var(--bg-white); }
.data-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}
.data-card {
  background: var(--bg-warm);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  transition: var(--transition);
}
.data-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.data-card-icon { font-size: 2.5rem; margin-bottom: 16px; }
.data-card-number {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.data-card-number span {
  font-size: 1rem;
  color: var(--text-light);
}
.data-card-label {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* 录取表 */
.admit-section { margin-bottom: 60px; }
.admit-table-wrapper { overflow-x: auto; }
.admit-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.admit-table th {
  background: var(--primary);
  color: white;
  padding: 14px 20px;
  text-align: left;
  font-weight: 500;
  font-size: 0.9rem;
}
.admit-table th:first-child { border-radius: 10px 0 0 0; }
.admit-table th:last-child { border-radius: 0 10px 0 0; }
.admit-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}
.admit-table tr:hover { background: var(--bg-warm); }
.badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(201,169,110,0.1);
  color: var(--accent-dark);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
}
.badge-gold {
  background: linear-gradient(135deg, #ffd700, #ffaa00);
  color: white;
}
.more-row td {
  text-align: center;
  color: var(--text-muted);
  font-style: italic;
  padding: 20px;
}

/* 成绩分布 */
.score-bars { max-width: 600px; margin: 0 auto; }
.score-bar-item {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.score-bar-label {
  width: 100px;
  font-size: 0.9rem;
  color: var(--text-light);
  text-align: right;
  flex-shrink: 0;
}
.score-bar-track {
  flex: 1;
  height: 32px;
  background: var(--bg-warm);
  border-radius: 8px;
  overflow: hidden;
}
.score-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 12px;
  color: white;
  font-size: 0.8rem;
  font-weight: 600;
  width: 0;
  transition: width 1.5s ease;
}
.score-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 16px;
}

/* ========== 课程体系 ========== */
.courses { background: var(--bg); }
.course-filter {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 50px;
  background: var(--bg-white);
  color: var(--text-light);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}
.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.course-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}
.course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.course-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.course-card.hidden { display: none; }
.course-tag {
  position: absolute;
  top: -1px; right: 24px;
  background: var(--accent);
  color: white;
  padding: 4px 14px;
  border-radius: 0 0 8px 8px;
  font-size: 0.75rem;
  font-weight: 600;
}
.course-tag.coming-soon {
  background: var(--text-muted);
}
.course-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}
.course-card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 12px;
}
.course-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.7;
}
.course-features {
  margin-bottom: 20px;
  flex: 1;
}
.course-features li {
  position: relative;
  padding-left: 20px;
  font-size: 0.85rem;
  color: var(--text);
  margin-bottom: 8px;
}
.course-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.course-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.course-rating {
  color: var(--accent-dark);
  font-weight: 600;
}
.course-price {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}
.course-price span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-light);
}

/* ========== 师资 ========== */
.team { background: var(--bg-white); }
.team-profile {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  align-items: start;
}
.team-photo {
  position: sticky;
  top: 96px;
}
.team-photo-placeholder {
  width: 280px; height: 350px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
}
.team-photo-img {
  width: 280px;
  height: 350px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: var(--shadow-md);
}
.team-info h3 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}
.team-title {
  font-size: 1rem;
  color: var(--text-light);
  margin-bottom: 16px;
}
.team-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.team-tag {
  padding: 6px 14px;
  background: rgba(201,169,110,0.1);
  color: var(--accent-dark);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
}
.team-timeline { margin-bottom: 28px; }
.timeline-item {
  display: flex;
  gap: 16px;
  padding: 12px 0;
  border-left: 2px solid var(--accent);
  padding-left: 20px;
  margin-left: 8px;
  position: relative;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -6px; top: 18px;
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
}
.timeline-year {
  font-weight: 600;
  color: var(--accent-dark);
  font-size: 0.9rem;
  white-space: nowrap;
}
.timeline-text {
  font-size: 0.95rem;
  color: var(--text);
}
.team-highlights h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  margin: 20px 0 10px;
}
.team-highlights ul { padding-left: 0; }
.team-highlights li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--text);
}
.team-highlights li::before {
  content: '·';
  position: absolute;
  left: 4px;
  color: var(--accent);
  font-weight: 700;
  font-size: 1.2rem;
}

/* ========== 学员评价 ========== */
.testimonials { background: var(--bg-warm); }
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.testimonial-stars {
  color: #ffc107;
  font-size: 1.1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.testimonial-card p {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial-author { border-top: 1px solid var(--border); padding-top: 16px; }
.testimonial-name {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--primary);
}
.testimonial-detail {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ========== 联系 ========== */
.contact { background: var(--bg-white); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 48px;
}
.contact-form-wrapper {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.form-group {
  margin-bottom: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  background: var(--bg-white);
  transition: var(--transition);
  color: var(--text);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(201,169,110,0.1);
}
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-card {
  background: var(--bg-warm);
  border-radius: var(--radius);
  padding: 24px;
}
.contact-card h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--primary);
}
.contact-card p {
  font-size: 0.9rem;
  color: var(--text-light);
}
.qr-placeholder {
  width: 160px; height: 160px;
  background: var(--bg-white);
  border: 2px dashed var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 12px;
}

/* ========== 页脚 ========== */
.footer {
  background: var(--primary);
  color: white;
  padding: 48px 0 24px;
}
.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.footer-brand p {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  opacity: 0.5;
  margin-top: 4px;
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 0.9rem;
  opacity: 0.6;
  transition: var(--transition);
}
.footer-links a:hover { opacity: 1; color: var(--accent-light); }
.footer-bottom {
  text-align: center;
  padding-top: 24px;
}
.footer-bottom p {
  font-size: 0.8rem;
  opacity: 0.4;
}

/* ========== 动画 ========== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in {
  animation: fadeInUp 0.5s ease both;
}

/* ========== 表单提交成功 ========== */
.form-success {
  text-align: center;
  padding: 60px 20px;
}
.form-success-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}
.form-success h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 8px;
}
.form-success p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .course-grid { grid-template-columns: repeat(2, 1fr); }
  .team-profile { grid-template-columns: 1fr; }
  .team-photo { position: static; display: flex; justify-content: center; }
}
@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }
  .hero { padding: 130px 0 70px; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .stat-number { font-size: 2rem; }
  .section { padding: 60px 0; }
  .section-header h2 { font-size: 1.8rem; }
  .data-cards { grid-template-columns: 1fr; }
  .course-grid { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-content { flex-direction: column; gap: 16px; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
  .hero-actions { flex-direction: column; align-items: center; }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--bg-white);
    flex-direction: column;
    padding: 20px;
    gap: 16px;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .team-photo-placeholder { width: 200px; height: 260px; font-size: 1.5rem; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .hero-stats { gap: 16px; }
  .stat-number { font-size: 1.6rem; }
  .container { padding: 0 16px; }
  .course-card { padding: 24px 20px; }
}

/* ========== 首页：业务分流入口卡片 ========== */
.business-split {
  padding: 100px 0;
  background: var(--bg);
}
.business-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.business-card {
  position: relative;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: var(--text);
}
.business-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.business-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.business-card:hover::before { transform: scaleX(1); }
.business-card-prod::before { background: var(--primary); }
.business-card-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  line-height: 1;
}
.business-card-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(201,169,110,0.1);
  color: var(--accent-dark);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: 1.5px;
  align-self: flex-start;
}
.business-card-prod .business-card-tag {
  background: rgba(26,26,46,0.08);
  color: var(--primary);
}
.business-card h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.4;
  margin-bottom: 14px;
}
.business-card > p {
  color: var(--text-light);
  font-size: 0.98rem;
  margin-bottom: 22px;
  line-height: 1.75;
}
.business-card ul {
  margin-bottom: 28px;
  padding: 0;
}
.business-card ul li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9rem;
  color: var(--text);
  padding-top: 4px;
  padding-bottom: 4px;
}
.business-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.business-card-prod ul li::before { color: var(--primary); }
.business-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  color: var(--accent-dark);
  font-weight: 500;
  font-size: 1rem;
  transition: var(--transition);
}
.business-card-prod .business-card-cta { color: var(--primary); }
.business-card:hover .business-card-cta { gap: 12px; }

/* ========== 音乐制作专属 Hero ========== */
.hero-production {
  background: linear-gradient(135deg, #0f0f1e 0%, #1a1a2e 45%, #2d1a3e 100%);
}
.hero-production .hero-bg {
  background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cpath d='M0 40h80M40 0v80' stroke='%23ffffff' stroke-opacity='0.04' stroke-width='1'/%3E%3C/g%3E%3C/svg%3E");
}

/* ========== 音乐制作：服务介绍 ========== */
.services { background: var(--bg-white); }
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.service-item {
  background: var(--bg-warm);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}
.service-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  background: var(--bg-white);
}
.service-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
}
.service-item h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
}
.service-item p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ========== 音乐制作：合作流程 ========== */
.process { background: var(--bg); }
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.process-step {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 32px 24px;
  border: 1px solid var(--border);
  position: relative;
  transition: var(--transition);
}
.process-step:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}
.process-step-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
  line-height: 1;
}
.process-step h4 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}
.process-step p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ========== AI 音乐定制 Callout ========== */
.ai-callout { background: var(--bg-white); padding: 60px 0; }
.ai-callout-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: flex;
  align-items: center;
  gap: 36px;
  color: white;
}
.ai-callout-icon { font-size: 4rem; flex-shrink: 0; }
.ai-callout-body { flex: 1; }
.ai-callout-body .section-tag {
  background: rgba(201,169,110,0.25);
  color: var(--accent-light);
  margin-bottom: 12px;
}
.ai-callout-body h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: white;
}
.ai-callout-body p {
  font-size: 0.98rem;
  opacity: 0.85;
  margin-bottom: 20px;
  line-height: 1.75;
}

/* ========== 响应式补充 ========== */
@media (max-width: 1024px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .business-cards { grid-template-columns: 1fr; }
  .business-split { padding: 60px 0; }
  .business-card { padding: 36px 28px; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .ai-callout-card {
    flex-direction: column;
    text-align: center;
    padding: 36px 24px;
    gap: 20px;
  }
  .ai-callout-icon { font-size: 3rem; }
}
@media (max-width: 480px) {
  .service-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
}

/* ========== 音乐制作作品集 ========== */
.portfolio { background: var(--bg); }
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 28px;
}
@media (max-width: 768px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}
.portfolio-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.portfolio-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.portfolio-card.hidden { display: none; }
.portfolio-category-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-dark);
  background: rgba(201,169,110,0.1);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}
.portfolio-card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.portfolio-meta {
  font-size: 0.8rem;
  color: var(--accent-dark);
  margin-bottom: 8px;
  line-height: 1.5;
}
.portfolio-desc {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.6;
}
.portfolio-tracks {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.track-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  background: var(--bg-warm);
  border-radius: 8px;
}
.track-name {
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  min-width: 80px;
  color: var(--text);
}
.track-item audio {
  flex: 1;
  height: 36px;
  min-width: 0;
}
/* 统一audio控件配色 */
.track-item audio::-webkit-media-controls-panel {
  background: var(--bg-warm);
}