/* 霓虹主题 Neon Theme */
:root {
  /* 主色调 - 亮色背景搭配霓虹色系 */
  --primary-light: #F8FAFC;
  --secondary-light: #f8b40000;
  --neon-purple: #8B5CF6;
  --neon-orange: #F97316;
  --neon-blue: #06B6D4;
  --neon-pink: #EC4899;
  --neon-green: #10B981;
  
  /* 渐变 */
  --gradient-neon-purple: linear-gradient(135deg, var(--neon-purple), #C084FC);
  --gradient-neon-orange: linear-gradient(135deg, var(--neon-orange), #FDBA74);
  --gradient-neon-blue: linear-gradient(135deg, var(--neon-blue), #67E8F9);
  --gradient-neon-pink: linear-gradient(135deg, var(--neon-pink), #F472B6);
  --gradient-neon-green: linear-gradient(135deg, var(--neon-green), #34D399);
  --gradient-multi: linear-gradient(90deg, var(--neon-purple), var(--neon-pink), var(--neon-orange), var(--neon-blue));
  
  /* 文字颜色 */
  --text-dark: #0F172A;
  --text-dark-secondary: #334155;
  --text-dark-tertiary: #64748B;
  --text-light: #F1F5F9;
  
  /* 特效 */
  --glow-purple: 0 0 15px rgba(139, 92, 246, 0.7);
  --glow-orange: 0 0 15px rgba(249, 115, 22, 0.7);
  --glow-blue: 0 0 15px rgba(6, 182, 212, 0.7);
  --glow-pink: 0 0 15px rgba(236, 72, 153, 0.7);
  --glow-green: 0 0 15px rgba(16, 185, 129, 0.7);
  
  /* 过渡动画 */
  --transition-fast: all 0.2s ease;
  --transition-normal: all 0.4s ease;
  --transition-slow: all 0.6s ease;
  
  /* 圆角 */
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  
  /* 阴影 */
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.2);
  
  /* 断点 */
  --breakpoint-xs: 480px;
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;
  --breakpoint-xxl: 1400px;
}

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

body {
  font-family: 'Orbitron', 'Poppins', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--primary-light);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* 背景动画系统 - 几何图形动画背景 */
.animated-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

/* 波浪线背景 */
.wave-lines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(90deg, transparent 50%, rgba(139, 92, 246, 0.1) 50%),
    linear-gradient(rgba(249, 115, 22, 0.1) 50%, transparent 50%);
  background-size: 50px 50px;
  opacity: 0.5;
  animation: wave-move 10s linear infinite;
}

/* 浮动几何图形 */
.floating-shape {
  position: absolute;
  border-radius: 20%;
  background: rgba(139, 92, 246, 0.2);
  box-shadow: var(--glow-purple);
  animation: float-rotate 20s infinite linear;
  opacity: 0.7;
}

.floating-shape.triangle {
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  background: rgba(249, 115, 22, 0.2);
  box-shadow: var(--glow-orange);
}

.floating-shape.circle {
  border-radius: 50%;
  background: rgba(6, 182, 212, 0.2);
  box-shadow: var(--glow-blue);
}

.floating-shape.square {
  border-radius: 0;
  background: rgba(236, 72, 153, 0.2);
  box-shadow: var(--glow-pink);
}

.floating-shape.pentagon {
  clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
  background: rgba(16, 185, 129, 0.2);
  box-shadow: var(--glow-green);
}

/* 发光点 */
.glow-dot {
  position: absolute;
  border-radius: 50%;
  background: var(--neon-purple);
  box-shadow: var(--glow-purple);
  animation: pulse-glow 3s infinite ease-in-out;
}

.glow-dot.orange {
  background: var(--neon-orange);
  box-shadow: var(--glow-orange);
}

.glow-dot.blue {
  background: var(--neon-blue);
  box-shadow: var(--glow-blue);
}

.glow-dot.pink {
  background: var(--neon-pink);
  box-shadow: var(--glow-pink);
}

.glow-dot.green {
  background: var(--neon-green);
  box-shadow: var(--glow-green);
}

/* 流星效果修复 - 使用fixed定位避免影响文档流 */
.meteor {
  position: fixed;
  top: -100px;
  background: linear-gradient(to bottom, rgba(139, 92, 246, 0), rgba(139, 92, 246, 0.8), rgba(139, 92, 246, 0));
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
  z-index: 9999;
  pointer-events: none;
  animation: meteorFall linear forwards;
}

@keyframes meteorFall {
  to {
    transform: translateY(100vh) translateX(-100px);
  }
}

@keyframes wave-move {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(50px, 50px);
  }
}

@keyframes float-rotate {
  0% {
    transform: translate(0, 0) rotate(0deg);
  }
  25% {
    transform: translate(20px, 20px) rotate(90deg);
  }
  50% {
    transform: translate(0, 40px) rotate(180deg);
  }
  75% {
    transform: translate(-20px, 20px) rotate(270deg);
  }
  100% {
    transform: translate(0, 0) rotate(360deg);
  }
}

@keyframes pulse-glow {
  0%, 100% {
    transform: scale(1);
    opacity: 0.7;
  }
  50% {
    transform: scale(1.5);
    opacity: 0.3;
  }
}

/* 容器 */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 标题 */
.neon-title {
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 1px;
  background: var(--gradient-multi);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.neon-title.h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
}

.neon-title.h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.neon-title.h3 {
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
}

/* 按钮 */
.neon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
  font-family: inherit;
  gap: 10px;
  background: var(--gradient-neon-purple);
  color: var(--text-light);
  box-shadow: var(--glow-purple);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.neon-button:hover {
  transform: translateY(-5px);
  box-shadow: var(--glow-purple), var(--shadow-lg);
}

.neon-button:active {
  transform: translateY(0);
}

.neon-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-neon-pink);
  z-index: -1;
  opacity: 0;
  transition: var(--transition-normal);
}

.neon-button:hover::before {
  opacity: 1;
}

.neon-button.secondary {
  background: var(--gradient-neon-orange);
  box-shadow: var(--glow-orange);
}

.neon-button.secondary:hover {
  box-shadow: var(--glow-orange), var(--shadow-lg);
}

.neon-button.secondary::before {
  background: var(--gradient-neon-blue);
}

.neon-button.outline {
  background: transparent;
  color: var(--text-dark);
  border: 2px solid var(--neon-purple);
  box-shadow: none;
}

.neon-button.outline:hover {
  background: var(--neon-purple);
  color: var(--text-light);
  box-shadow: var(--glow-purple);
}

.neon-button.small {
  padding: 10px 20px;
  font-size: 0.9rem;
}

/* 卡片 */
.neon-card {
  background: var(--secondary-light);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: var(--transition-normal);
  position: relative;
  border: 1px solid rgba(139, 92, 246, 0.3);
  box-shadow: var(--shadow-md);
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.neon-card:hover {
  transform: perspective(1000px) rotateY(5deg) rotateX(5deg);
  box-shadow: var(--glow-purple), var(--shadow-lg);
  border: 1px solid var(--neon-purple);
}

.neon-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--gradient-multi);
  border-radius: var(--border-radius-lg);
  z-index: -1;
  opacity: 0;
  transition: var(--transition-normal);
}

.neon-card:hover::before {
  opacity: 0.5;
}

/* 导航 */
.neon-nav {
  background: #e0e0ff7d;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(139, 92, 246, 0.3);
  box-shadow: var(--shadow-md);
}

.neon-nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.neon-logo {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-multi);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  letter-spacing: 1px;
  font-family: 'Orbitron', cursive;
}

.neon-nav-menu {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.neon-nav-link {
  color: var(--text-dark-secondary);
  text-decoration: none;
  font-weight: 600;
  padding: 0.75rem 1.25rem;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
}

.neon-nav-link:hover,
.neon-nav-link.active {
  color: var(--text-dark);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.neon-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--gradient-multi);
  border-radius: 3px;
  transition: var(--transition-normal);
  transform: translateX(-50%);
}

.neon-nav-link:hover::after,
.neon-nav-link.active::after {
  width: 70%;
}

/* 搜索框 */
.neon-search-box {
  display: flex;
  align-items: center;
}

.search-form {
  display: flex;
  gap: 0.75rem;
}

.neon-search-input {
  padding: 0.85rem 1.25rem;
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(139, 92, 246, 0.3);
  background: var(--secondary-light);
  color: var(--text-dark);
  font-family: inherit;
  min-width: 280px;
  transition: var(--transition-fast);
}

.neon-search-input:focus {
  outline: none;
  border-color: var(--neon-purple);
  box-shadow: var(--glow-purple);
}

.neon-search-btn {
  background: var(--gradient-neon-purple);
  color: var(--text-light);
  border: none;
  border-radius: var(--border-radius-md);
  padding: 0.85rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--glow-purple);
}

.neon-search-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-purple), var(--glow-pink);
}

/* 移动端菜单 */
.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text-dark);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius-sm);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.hamburger:hover {
  background: var(--neon-purple);
  color: var(--text-light);
  box-shadow: var(--glow-purple);
}

.mobile-panel {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(226, 232, 240, 0.95);
  z-index: 2000;
  animation: slideInLeft 0.4s ease;
}

@keyframes slideInLeft {
  from {
    transform: translateX(-100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.panel-content-wrapper {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: var(--text-light);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid rgba(139, 92, 246, 0.3);
}

.panel-close {
  background: none;
  border: none;
  color: var(--text-dark);
  font-size: 1.75rem;
  cursor: pointer;
  padding: 0.75rem;
  border-radius: var(--border-radius-sm);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.panel-close:hover {
  background: var(--neon-pink);
  color: var(--text-light);
  box-shadow: var(--glow-pink);
}

.mobile-menu {
  list-style: none;
  padding: 2.5rem;
  flex: 1;
}

.mobile-item {
  margin-bottom: 1.5rem;
}

.mobile-link {
  display: block;
  color: var(--text-dark-secondary);
  text-decoration: none;
  font-size: 1.3rem;
  font-weight: 600;
  padding: 1.25rem;
  border-radius: var(--border-radius-md);
  transition: var(--transition-fast);
  border: 1px solid transparent;
}

.mobile-link:hover,
.mobile-link.active {
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.3);
  color: var(--text-dark);
}

.mobile-search {
  padding: 0 2.5rem 2.5rem;
}

.mobile-search-form {
  display: flex;
  gap: 0.75rem;
}

/* 页脚 */
.neon-footer {
  background: #e0e0ff7d;
  color: var(--text-dark);
  padding: 4rem 0 2.5rem;
  margin-top: 5rem;
  border-top: 1px solid rgba(139, 92, 246, 0.3);
  position: relative;
  z-index: 1000;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-title {
  font-size: 1.75rem;
  margin-bottom: 1.25rem;
  color: var(--neon-blue);
  background: var(--gradient-neon-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.neon-text {
  color: var(--text-dark-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

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

.footer-link {
  margin-bottom: 0.75rem;
}

.footer-link a {
  color: var(--text-dark-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-link a:hover {
  color: var(--neon-purple);
  text-shadow: var(--glow-purple);
}

.copyright {
  text-align: center;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(139, 92, 246, 0.3);
  color: var(--text-dark-tertiary);
  font-size: 1rem;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .neon-title.h1 {
    font-size: 2.8rem;
  }
  
  .neon-title.h2 {
    font-size: 2.2rem;
  }
  
  .neon-nav-menu {
    display: none;
  }
  
  .neon-search-box {
    display: none;
  }
  
  .hamburger {
    display: block;
  }
  
  .neon-nav-container {
    padding: 1.25rem;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 10px;
  }
  
  .neon-title.h1 {
    font-size: 2.3rem;
  }
  
  .neon-title.h2 {
    font-size: 1.8rem;
  }
  
  .neon-card:hover {
    transform: perspective(1000px) rotateY(0) rotateX(0);
  }
  
  .neon-button {
    padding: 12px 24px;
    font-size: 0.95rem;
  }
  
  .mobile-search-form {
    flex-direction: column;
  }
}

@media (max-width: 576px) {
  .neon-nav-container {
    padding: 1rem;
  }
  
  .neon-title.h1 {
    font-size: 2rem;
  }
  
  .neon-button {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
  
  .mobile-search-form {
    flex-direction: column;
  }
  
  .panel-header {
    padding: 1.25rem;
  }
  
  .mobile-menu {
    padding: 1.5rem;
  }
  
  .mobile-link {
    font-size: 1.1rem;
    padding: 1rem;
  }
  
  .mobile-search {
    padding: 0 1.5rem 1.5rem;
  }
}