/**
 * DS Music 首页现代化样式
 */

/* 重置和基础样式 */
body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 60px 20px 40px;
  position: relative;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* 背景动画效果 */
.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

/* Logo/Icon区域 */
.hero-icon {
  display: inline-flex;
  margin: 0 auto 30px;
  animation: float 3s ease-in-out infinite;
}

.hero-icon img {
  width: 110px;
  height: 110px;
  border-radius: 28px;
  object-fit: cover;
  display: block;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* 主标题 */
.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  color: white;
  margin: 0 0 20px;
  letter-spacing: -1px;
  animation: fadeInUp 0.8s ease-out;
}

/* 副标题 */
.hero-subtitle {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.9);
  margin: 0 0 40px;
  font-weight: 400;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* CTA按钮 */
.cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.top-links {
  position: fixed;
  top: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  gap: 18px;
  z-index: 1100;
}

.top-links .language-switcher {
  position: static;
  top: auto;
  right: auto;
  margin-left: auto;
}

.quick-links {
  display: flex;
  gap: 16px;
  font-size: 0.95rem;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.quick-links a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
  white-space: nowrap;
}

.quick-links a:hover {
  border-color: rgba(255, 255, 255, 0.9);
}

@media (max-width: 768px) {
  .top-links {
    top: 10px;
    right: 10px;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
  }

  .top-links .language-switcher {
    margin-left: 0;
  }

  .quick-links {
    flex-wrap: wrap;
    justify-content: flex-end;
  }
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: white;
  color: #667eea;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
  color: #667eea;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
  color: white;
}

/* 特性卡片区域 */
.features-section {
  padding: 80px 20px;
  background: white;
  position: relative;
  z-index: 1;
}

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

.features-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: #2d3748;
  margin-bottom: 60px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-bottom: 60px;
}

.feature-card {
  background: white;
  padding: 40px 30px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
}

.feature-icon svg {
  width: 35px;
  height: 35px;
  fill: white;
}

.feature-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: #2d3748;
  margin: 0 0 15px;
}

.feature-description {
  font-size: 1rem;
  color: #718096;
  line-height: 1.6;
  margin: 0;
}

/* Footer */
.modern-footer {
  background: #1a202c;
  color: rgba(255, 255, 255, 0.7);
  padding: 40px 20px;
  text-align: center;
}

.modern-footer p {
  margin: 0;
  font-size: 0.95rem;
}

/* 动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .hero-icon {
    width: 100px;
    height: 100px;
  }

  .hero-icon svg {
    width: 50px;
    height: 50px;
  }

  .cta-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .features-title {
    font-size: 2rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 480px) {
  .hero-section {
    padding: 40px 15px 30px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .features-section {
    padding: 60px 15px;
  }
}

/* 语言切换按钮在现代化首页上的样式调整 */
.language-switcher {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.language-switcher button {
  color: white;
}

.language-switcher button:hover {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.language-switcher button.active {
  background: white;
  color: #667eea;
}