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

:root {
  --primary-bg: #1a1625;
  --secondary-bg: #252030;
  --card-bg: rgba(255, 255, 255, 0.08);
  --card-hover: rgba(255, 255, 255, 0.12);
  --accent-primary: #b886d8;
  --accent-secondary: #ffb6c1;
  --accent-tertiary: #87ceeb;
  --text-primary: #f5f5f5;
  --text-secondary: #c0c0c0;
  --text-muted: #888888;
  --border-color: rgba(255, 255, 255, 0.15);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-primary);
  background: var(--primary-bg);
  line-height: 1.6;
  letter-spacing: 0.3px;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-wrapper {
  position: relative;
  min-height: 100vh;
}

.animated-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: 
    radial-gradient(circle at 15% 20%, rgba(184, 134, 216, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 85% 80%, rgba(255, 182, 193, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(135, 206, 235, 0.08) 0%, transparent 60%),
    linear-gradient(135deg, #1a1625 0%, #252030 100%);
  background-attachment: fixed;
  pointer-events: none;
}

.animated-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    repeating-linear-gradient(45deg, transparent, transparent 2px, rgba(255, 255, 255, 0.02) 2px, rgba(255, 255, 255, 0.02) 4px),
    repeating-linear-gradient(-45deg, transparent, transparent 2px, rgba(255, 255, 255, 0.02) 2px, rgba(255, 255, 255, 0.02) 4px);
  opacity: 0.5;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(26, 22, 37, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.mobile-menu-btn.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.open span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-img {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  object-fit: contain;
  background: linear-gradient(135deg, rgba(184, 134, 216, 0.3), rgba(255, 182, 193, 0.2));
  padding: 4px;
  border: 1px solid var(--border-color);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.site-title {
  font-family: 'Ma Shan Zheng', 'ZCOOL QingKe HuangYou', serif;
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.2;
  color: var(--text-primary);
  margin: 0;
}

.site-domain {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.nav-link {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--card-bg);
}

.nav-link.download-link {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #fff;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
}

.nav-link.download-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.main-content {
  position: relative;
  z-index: 1;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 5%;
}

.intro-section {
  padding: 4rem 0 3rem;
  position: relative;
}

.intro-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.intro-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--accent-primary);
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
}

.intro-title {
  font-family: 'Ma Shan Zheng', 'ZCOOL QingKe HuangYou', serif;
  font-size: 3rem;
  line-height: 1.2;
  margin: 0 0 1.5rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.intro-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.tag-list {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.tag {
  padding: 0.4rem 0.9rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--accent-tertiary);
}

.action-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.action-btn.main-btn {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #fff;
  box-shadow: var(--shadow-md);
}

.action-btn.main-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.action-btn.secondary-btn {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.action-btn.secondary-btn:hover {
  background: var(--card-hover);
  transform: translateY(-2px);
}

.action-btn.small {
  padding: 0.6rem 1.4rem;
  font-size: 0.9rem;
}

.info-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.info-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.info-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.info-value {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 500;
}

.intro-image {
  position: relative;
}

.image-frame {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.frame-decoration {
  position: absolute;
  inset: -2px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
  opacity: 0.3;
  z-index: -1;
  filter: blur(8px);
}

.feature-image {
  width: 100%;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
}

.highlight-boxes {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.highlight-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.highlight-title {
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
}

.highlight-item p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.content-section {
  padding: 3rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--accent-secondary);
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.section-title {
  font-family: 'Ma Shan Zheng', 'ZCOOL QingKe HuangYou', serif;
  font-size: 2.2rem;
  margin: 0 0 1rem;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

.story-grid,
.system-grid,
.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.story-card,
.system-card,
.faq-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.story-card::before,
.system-card::before,
.faq-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.story-card:hover::before,
.system-card:hover::before,
.faq-card:hover::before {
  transform: scaleX(1);
}

.story-card:hover,
.system-card:hover,
.faq-card:hover {
  background: var(--card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.story-card h4,
.system-card h4,
.faq-card h4 {
  font-size: 1.2rem;
  margin: 0 0 0.8rem;
  color: var(--accent-primary);
}

.story-card p,
.system-card p,
.faq-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

.faq-card a {
  color: var(--accent-secondary);
  text-decoration: underline;
}

.update-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.update-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border-left: 4px solid var(--accent-primary);
  transition: all 0.3s ease;
}

.update-item:hover {
  background: var(--card-hover);
  transform: translateX(4px);
}

.update-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.update-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.update-item p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

.cast-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.cast-card {
  background: linear-gradient(135deg, var(--card-bg), rgba(184, 134, 216, 0.1));
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.cast-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-primary);
}

.cast-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-secondary);
  margin-bottom: 0.8rem;
}

.cast-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.screenshot-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  cursor: pointer;
}

.screenshot-img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-primary);
}

.note-text {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 2rem;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.testimonial-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 15px;
  font-size: 4rem;
  color: var(--accent-primary);
  opacity: 0.3;
  font-family: serif;
}

.testimonial-card p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1rem;
  font-style: italic;
}

.testimonial-card span {
  display: block;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: right;
}

.download-section {
  background: linear-gradient(135deg, rgba(184, 134, 216, 0.1), rgba(255, 182, 193, 0.1));
  border-radius: var(--radius-xl);
  margin: 3rem 0;
  padding: 3rem 0;
}

.download-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto 2rem;
}

.download-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.download-card:hover {
  background: var(--card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.download-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.download-info {
  flex: 1;
}

.download-platform {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 0.3rem;
}

.download-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.contact-item {
  text-align: center;
}

.contact-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.contact-link {
  color: var(--accent-secondary);
  font-weight: 500;
  transition: color 0.3s ease;
}

.contact-link:hover {
  color: var(--accent-primary);
  text-decoration: underline;
}

.site-footer {
  margin-top: 4rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border-color);
  background: rgba(26, 22, 37, 0.8);
  backdrop-filter: blur(10px);
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 5%;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--accent-primary);
}

@media (max-width: 1024px) {
  .mobile-menu-btn {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(26, 22, 37, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 5%;
    display: none;
    box-shadow: var(--shadow-lg);
  }

  .main-nav.open {
    display: flex;
  }

  .nav-link {
    width: 100%;
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--border-color);
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  .intro-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .intro-title {
    font-size: 2.2rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .info-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 4%;
  }

  .intro-section {
    padding: 2rem 0;
  }

  .intro-title {
    font-size: 1.8rem;
  }

  .content-section {
    padding: 2rem 0;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .action-buttons {
    flex-direction: column;
  }

  .action-btn {
    width: 100%;
  }

  .screenshot-grid {
    grid-template-columns: 1fr;
  }

  .download-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}