/* ============================================
   蹊迹科技 - 公司官网样式
   深色科技主题 / 游戏公司风格
   ============================================ */

:root {
  --primary: #6c5ce7;
  --primary-light: #a29bfe;
  --primary-dark: #4834d4;
  --accent: #00cec9;
  --accent-light: #81ecec;
  --bg-dark: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a28;
  --text-primary: #e8e8f0;
  --text-secondary: #8888a0;
  --text-muted: #55556a;
  --border: rgba(108, 92, 231, 0.15);
  --glow: rgba(108, 92, 231, 0.3);
  --gradient-primary: linear-gradient(135deg, var(--primary), var(--accent));
  --gradient-bg: linear-gradient(180deg, #0a0a0f 0%, #0f0f1a 50%, #0a0a0f 100%);
  --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container-width: 1200px;
  --nav-height: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

img {
  max-width: 100%;
  display: block;
}

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

/* ============================================
   导航栏
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--gradient-primary);
  border-radius: 10px;
  font-size: 1.1rem;
  font-weight: 900;
  color: #fff;
}

.logo-text {
  letter-spacing: 2px;
}

.nav-menu {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: all var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ============================================
   Hero
   ============================================ */

.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#particleCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(108, 92, 231, 0.08) 0%, transparent 70%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: 8px;
}

.hero-title-line {
  display: block;
}

.hero-title-line.accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  font-weight: 300;
  letter-spacing: 4px;
  margin-bottom: 48px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 36px;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  font-family: inherit;
  letter-spacing: 2px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 24px rgba(108, 92, 231, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(108, 92, 231, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--primary);
  background: rgba(108, 92, 231, 0.08);
  transform: translateY(-2px);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 2px;
}

.scroll-indicator {
  width: 1px;
  height: 40px;
  background: var(--text-muted);
  position: relative;
  overflow: hidden;
}

.scroll-indicator::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary-light);
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0% { top: -100%; }
  50% { top: 100%; }
  100% { top: 100%; }
}

/* ============================================
   通用 Section
   ============================================ */

.section {
  padding: 120px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 72px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 4px;
  color: var(--primary-light);
  font-weight: 500;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: 4px;
  margin-bottom: 16px;
}

.section-line {
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  margin: 0 auto;
  border-radius: 3px;
}

/* ============================================
   关于我们
   ============================================ */

.about {
  background: var(--gradient-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text p {
  margin-bottom: 20px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.9;
}

.about-text strong {
  color: var(--primary-light);
  font-weight: 500;
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  transition: all var(--transition);
}

.value-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(108, 92, 231, 0.3);
  transform: translateX(4px);
}

.value-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(108, 92, 231, 0.1);
  color: var(--primary-light);
}

.value-icon svg {
  width: 22px;
  height: 22px;
}

.value-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: 1px;
}

.value-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   业务领域
   ============================================ */

.services {
  background: var(--bg-dark);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(108, 92, 231, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.service-card:hover::before {
  opacity: 1;
}

.service-number {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 3rem;
  font-weight: 900;
  color: rgba(108, 92, 231, 0.06);
  line-height: 1;
}

.service-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(108, 92, 231, 0.1);
  color: var(--primary-light);
  margin-bottom: 24px;
}

.service-icon svg {
  width: 26px;
  height: 26px;
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.service-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   团队文化
   ============================================ */

.culture {
  background: var(--gradient-bg);
}

.culture-quote {
  text-align: center;
  margin-bottom: 64px;
}

.culture-quote blockquote {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  font-weight: 300;
  line-height: 2;
  letter-spacing: 1px;
  font-style: italic;
  position: relative;
  display: inline-block;
  padding: 0 40px;
}

.culture-quote blockquote::before,
.culture-quote blockquote::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 24px;
  border: 2px solid var(--primary);
  opacity: 0.3;
}

.culture-quote blockquote::before {
  top: -12px;
  left: 0;
  border-right: none;
  border-bottom: none;
  border-radius: 4px 0 0 0;
}

.culture-quote blockquote::after {
  bottom: -12px;
  right: 0;
  border-left: none;
  border-top: none;
  border-radius: 0 0 4px 0;
}

.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.culture-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  transition: all var(--transition);
}

.culture-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 206, 201, 0.3);
  transform: translateY(-4px);
}

.culture-card-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: rgba(0, 206, 201, 0.08);
  color: var(--accent);
}

.culture-card-icon svg {
  width: 28px;
  height: 28px;
}

.culture-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: 2px;
}

.culture-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   联系我们
   ============================================ */

.contact {
  background: var(--bg-dark);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all var(--transition);
}

.contact-item:hover {
  border-color: rgba(108, 92, 231, 0.3);
  background: var(--bg-card-hover);
}

.contact-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(108, 92, 231, 0.1);
  color: var(--primary-light);
}

.contact-icon svg {
  width: 22px;
  height: 22px;
}

.contact-item h4 {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.contact-item p {
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.6;
}

.contact-map {
  height: 100%;
  min-height: 320px;
  position: relative;
}

.map-container,
.map-fallback {
  width: 100%;
  height: 100%;
  min-height: 320px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-muted);
}

.map-container {
  overflow: hidden;
}

.map-fallback {
  position: absolute;
  inset: 0;
  padding: 24px;
  text-align: center;
}

.map-fallback svg {
  width: 48px;
  height: 48px;
  opacity: 0.3;
}

.map-fallback p {
  font-size: 0.9rem;
  letter-spacing: 1px;
}

.map-link {
  min-width: 180px;
}

/* ============================================
   Footer
   ============================================ */

.footer {
  background: #08080d;
  padding: 72px 0 0;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 64px;
  padding-bottom: 48px;
}

.footer-brand .nav-logo {
  margin-bottom: 16px;
}

.footer-slogan {
  font-size: 0.95rem;
  color: var(--primary-light);
  letter-spacing: 4px;
  margin-bottom: 12px;
  font-weight: 300;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 360px;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.footer-links a:hover {
  color: var(--primary-light);
  transform: translateX(4px);
  display: inline-block;
}

.footer-contact p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.7;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.footer-bottom a {
  color: inherit;
  text-decoration: none;
}

.footer-bottom a:hover {
  color: var(--text-secondary);
}

/* ============================================
   动画
   ============================================ */

[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   响应式
   ============================================ */

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .culture-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    padding: 24px;
    transition: right var(--transition);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.5);
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .section {
    padding: 80px 0;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

  .culture-quote blockquote {
    padding: 0 16px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-title {
    letter-spacing: 4px;
  }

  .hero-subtitle {
    letter-spacing: 2px;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
  }

  .service-card {
    padding: 32px 24px;
  }
}