:root {
  --primary: #00ffcc;
  --secondary: #9d4edd;
  --dark: #0a1929;
  --darker: #071220;
  --light: #ccd6f6;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Maple Mono CN", "Segoe UI", "Microsoft YaHei", sans-serif;
}

body {
  background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
  color: var(--light);
  overflow-x: hidden;
  line-height: 1.6;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 导航栏 */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(10, 25, 41, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 255, 204, 0.1);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.logo i {
  color: var(--secondary);
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  color: var(--light);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: all 0.3s ease;
}

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

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.github-btn {
  background: rgba(157, 78, 221, 0.2);
  border: 1px solid var(--secondary);
  border-radius: 5px;
  padding: 8px 15px;
  color: var(--light);
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  transition: all 0.3s ease;
  text-decoration: none;
}

.github-btn:hover {
  background: rgba(157, 78, 221, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 0 15px rgba(157, 78, 221, 0.4);
}

/* 英雄区域 */
.hero {
  padding: 180px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -100px;
  left: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(0, 255, 204, 0.15) 0%,
    rgba(0, 255, 204, 0) 70%
  );
  z-index: -1;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(157, 78, 221, 0.15) 0%,
    rgba(157, 78, 221, 0) 70%
  );
  z-index: -1;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 20px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 20px rgba(0, 255, 204, 0.2);
}

.hero p {
  font-size: 1.4rem;
  max-width: 800px;
  margin: 0 auto 40px;
  color: #a8b2d1;
}

.tagline {
  display: inline-block;
  background: rgba(0, 255, 204, 0.1);
  color: var(--primary);
  padding: 5px 15px;
  border-radius: 30px;
  font-size: 1.1rem;
  margin-bottom: 30px;
  border: 1px solid rgba(0, 255, 204, 0.3);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
}

.btn {
  padding: 14px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
}

.btn-primary {
  background: linear-gradient(90deg, var(--primary), #00e6b8);
  color: var(--dark);
  box-shadow: 0 5px 20px rgba(0, 255, 204, 0.3);
}

.btn-primary:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 255, 204, 0.5);
}

.btn-secondary {
  background: transparent;
  border: 2px solid var(--secondary);
  color: var(--secondary);
}

.btn-secondary:hover {
  background: rgba(157, 78, 221, 0.1);
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(157, 78, 221, 0.3);
}

/* 特性部分 */
.features {
  padding: 100px 0;
  background: rgba(7, 18, 32, 0.7);
}

.section-header {
  text-align: center;
  margin-bottom: 70px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: var(--primary);
}

.section-header p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto;
  color: #a8b2d1;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  background: rgba(20, 36, 59, 0.5);
  border-radius: 15px;
  padding: 30px;
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 255, 204, 0.1);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-10px);
  border-color: rgba(0, 255, 204, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--light);
}

.feature-card p {
  color: #8892b0;
}

/* 技术栈部分 */
.tech {
  padding: 100px 0;
  background: var(--darker);
}

.tech-container {
  display: flex;
  gap: 50px;
  align-items: center;
}

.tech-content {
  flex: 1;
}

.tech-content h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--primary);
}

.tech-content p {
  margin-bottom: 25px;
  color: #a8b2d1;
  font-size: 1.1rem;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 30px;
}

.tech-item {
  background: rgba(20, 36, 59, 0.5);
  padding: 15px 20px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(0, 255, 204, 0.1);
}

.tech-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  position: relative;
}

.hex-grid {
  display: grid;
  grid-template-columns: repeat(3, 100px);
  grid-template-rows: repeat(3, 185px);
  gap: 15px;
  transform: rotate(5deg);
}

.hexagon {
  width: 100px;
  height: 115px;
  background: rgba(20, 36, 59, 0.8);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 255, 204, 0.1);
}

.hexagon:nth-child(2),
.hexagon:nth-child(4),
.hexagon:nth-child(6) {
  transform: translateY(57px);
}

.hexagon:hover {
  transform: translateY(-10px) scale(1.05);
  background: rgba(20, 36, 59, 1);
  border-color: var(--primary);
  box-shadow: 0 10px 25px rgba(0, 255, 204, 0.2);
}

.hex-icon {
  font-size: 2rem;
  margin-bottom: 10px;
  color: var(--primary);
}

.hex-label {
  font-size: 0.9rem;
  text-align: center;
  color: var(--light);
}

/* 状态部分 */
.status {
  padding: 100px 0;
  background: linear-gradient(
    135deg,
    var(--darker) 0%,
    rgba(9, 23, 40, 0.9) 100%
  );
  text-align: center;
}

.status h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--primary);
}

.status p {
  max-width: 700px;
  margin: 0 auto 40px;
  color: #a8b2d1;
  font-size: 1.1rem;
}

.status-chart {
  max-width: 900px;
  margin: 0 auto;
  background: rgba(20, 36, 59, 0.5);
  border-radius: 15px;
  padding: 30px;
  border: 1px solid rgba(0, 255, 204, 0.1);
}

.chart-container {
  background: var(--dark);
  padding: 20px;
  border-radius: 10px;
  margin-top: 20px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 50px;
}

.stat-card {
  background: rgba(20, 36, 59, 0.5);
  padding: 25px;
  border-radius: 10px;
  border: 1px solid rgba(0, 255, 204, 0.1);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.stat-label {
  font-size: 1.1rem;
  color: #a8b2d1;
}

/* 页脚 */
footer {
  background: var(--darker);
  padding: 60px 0 30px;
  border-top: 1px solid rgba(0, 255, 204, 0.1);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.footer-logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
}

.footer-about p {
  color: #8892b0;
  margin-bottom: 20px;
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(20, 36, 59, 0.5);
  color: var(--light);
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: var(--primary);
  color: var(--dark);
  transform: translateY(-5px);
}

.footer-heading {
  font-size: 1.3rem;
  color: var(--light);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-heading::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--primary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: #8892b0;
  text-decoration: none;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-links a:hover {
  color: var(--primary);
  transform: translateX(5px);
}

.copyright {
  text-align: center;
  padding-top: 40px;
  color: #8892b0;
  font-size: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: 50px;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }

  .tech-container {
    flex-direction: column;
  }

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

@media (max-width: 768px) {
  .hero h1 {
    font-size: 3rem;
  }

  .nav-links {
    display: none;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

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