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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #ffffff;
}

.main-container {
  min-height: 100vh;
  background: linear-gradient(135deg, #0f172a 0%, #581c87 50%, #0f172a 100%);
  padding-top: 70px; /* 为固定导航栏留出空间 */
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Hero Section */
.hero-section {
  position: relative;
  overflow: hidden;
  padding: 4rem 1rem;
  text-align: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(147, 51, 234, 0.2) 0%, rgba(219, 39, 119, 0.2) 100%);
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 50px;
  padding: 0.5rem 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #c084fc;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-subtitle {
  display: block;
  background: linear-gradient(90deg, #a855f7, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.25rem;
  color: #d1d5db;
  margin-bottom: 2rem;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  margin-bottom: 3rem;
}

@media (min-width: 640px) {
  .hero-buttons {
    flex-direction: row;
  }
}

.btn-primary {
  background: linear-gradient(90deg, #9333ea, #ec4899);
  color: white;
  border: none;
  padding: 0.75rem 2rem;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 10px 25px rgba(147, 51, 234, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(90deg, #7c3aed, #db2777);
  box-shadow: 0 15px 35px rgba(147, 51, 234, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 0.75rem 2rem;
  font-size: 1.125rem;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 32rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

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

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: white;
}

.stat-label {
  font-size: 0.875rem;
  color: #9ca3af;
}

/* Features Section */
.features-section {
  padding: 4rem 1rem;
}

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

.section-header h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.125rem;
  color: #9ca3af;
  max-width: 32rem;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1rem;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-5px);
}

.feature-icon {
  width: 4rem;
  height: 4rem;
  background: linear-gradient(90deg, #9333ea, #ec4899);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 2rem;
  color: white;
  transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: #9ca3af;
  line-height: 1.6;
}

/* Software Section */
.software-section {
  padding: 4rem 1rem;
}

.software-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 64rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .software-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.software-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 0.5rem;
  padding: 1rem;
  transition: all 0.3s ease;
}

.software-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.software-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  transition: transform 0.3s ease;
}

.software-item:hover .software-icon {
  transform: scale(1.1);
}

.software-icon.orange {
  background-color: #f97316;
}
.software-icon.orange-dark {
  background-color: #ea580c;
}
.software-icon.red {
  background-color: #ef4444;
}
.software-icon.blue {
  background-color: #3b82f6;
}
.software-icon.red-dark {
  background-color: #dc2626;
}
.software-icon.blue-dark {
  background-color: #2563eb;
}
.software-icon.green {
  background-color: #10b981;
}
.software-icon.green-dark {
  background-color: #059669;
}

.software-item span {
  color: white;
  font-weight: 500;
}

/* Steps Section */
.steps-section {
  padding: 4rem 1rem;
}

.steps-container {
  display: grid;
  gap: 1.5rem;
  max-width: 48rem;
  margin: 0 auto;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 0.5rem;
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.step-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.step-number {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  background: linear-gradient(90deg, #9333ea, #ec4899);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.125rem;
}

.step-content {
  flex: 1;
}

.step-content p {
  color: white;
  font-size: 1.125rem;
  font-weight: 500;
}

.step-check {
  color: #10b981;
  font-size: 1.5rem;
}

/* Command Section */
.command-section {
  padding: 4rem 1rem;
}

.terminal-card {
  max-width: 64rem;
  margin: 0 auto;
  background: rgba(17, 24, 39, 0.5);
  backdrop-filter: blur(10px);
  border: 1px solid #374151;
  border-radius: 0.5rem;
  overflow: hidden;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.2);
}

.terminal-buttons {
  display: flex;
  gap: 0.5rem;
}

.terminal-btn {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
}

.terminal-btn.red {
  background-color: #ef4444;
}
.terminal-btn.yellow {
  background-color: #eab308;
}
.terminal-btn.green {
  background-color: #10b981;
}

.terminal-title {
  color: #9ca3af;
  font-size: 0.875rem;
}

.terminal-content {
  padding: 2rem;
  font-family: "Courier New", monospace;
}

.command-line {
  color: #10b981;
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.command-comment {
  color: #6b7280;
  font-size: 0.875rem;
}

/* CTA Section */
.cta-section {
  padding: 4rem 1rem;
  text-align: center;
}

.cta-content {
  max-width: 48rem;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.cta-content p {
  font-size: 1.25rem;
  color: #d1d5db;
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
}

@media (min-width: 640px) {
  .cta-buttons {
    flex-direction: row;
  }
}

/* Footer */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2rem 1rem;
  text-align: center;
}

.footer p {
  color: #9ca3af;
}

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

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .hero-section {
    padding: 2rem 1rem;
  }

  .features-section,
  .software-section,
  .steps-section,
  .command-section,
  .cta-section {
    padding: 2rem 1rem;
  }

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

/* Navigation Styles - 放在最后确保不被覆盖 */
.navbar {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  background: rgba(15, 23, 42, 0.95) !important;
  backdrop-filter: blur(20px) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
  z-index: 9999 !important;
  transition: all 0.3s ease !important;
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.98) !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1) !important;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
  text-decoration: none;
}

.nav-logo i {
  color: #a855f7;
  font-size: 1.5rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: #d1d5db;
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 0;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link:hover {
  color: #a855f7;
}

.dropdown-toggle i {
  font-size: 0.75rem;
  transition: transform 0.3s ease;
}

.dropdown.active .dropdown-toggle i {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.5rem;
  padding: 0.5rem 0;
  min-width: 280px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  z-index: 10000;
}

.dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: #d1d5db;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 0.9rem;
}

.dropdown-item:hover {
  background: rgba(168, 85, 247, 0.1);
  color: #a855f7;
}

.dropdown-item i {
  width: 16px;
  color: #a855f7;
}

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

.bar {
  width: 25px;
  height: 3px;
  background: white;
  transition: all 0.3s ease;
  border-radius: 2px;
}

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

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

.nav-toggle.active .bar:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: all 0.3s ease;
    z-index: 9998;
  }

  .nav-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-item {
    padding: 0 1rem;
  }

  .nav-link {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .dropdown-menu {
    position: static;
    background: rgba(0, 0, 0, 0.2);
    border: none;
    border-radius: 0;
    box-shadow: none;
    margin-top: 0;
    padding-left: 1rem;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    min-width: auto;
  }

  .dropdown.active .dropdown-menu {
    display: block;
  }

  .dropdown-item {
    padding: 0.5rem 0;
    font-size: 0.85rem;
  }
}