:root {
  --primary: #FF5200;
  --primary-rgb: 255, 82, 0;
  --primary-gradient: linear-gradient(135deg, #FF5200 0%, #FF8A44 100%);
  --secondary: #121212;
  --background: #FFFFFF;
  --text: #2D2D2D;
  --text-light: #666666;
  --pixel-bg: rgba(255, 82, 0, 0.05);
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 40px rgba(255, 82, 0, 0.15);

  --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', sans-serif;
  --font-heading: 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
  
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

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

body {
  font-family: var(--font-base);
  background-color: var(--background);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
}

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

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 容器组件词汇: site-owas, site-jajes, site-iletot */
.site-owas {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.site-owas::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(var(--pixel-bg) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
  z-index: -1;
}

.site-iletot {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.site-jajes {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--spacing-md);
  align-items: center;
}

/* 导航区域词汇: site-eley, site-exazi */
.site-eley {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  padding: var(--spacing-sm) 0;
  box-shadow: var(--shadow-sm); color: #1a1a2e;}

.site-eley .site-iletot {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-exazi {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.site-exazi a {
  font-weight: 500;
  font-size: 1rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
}

.site-exazi a:hover {
  color: var(--primary);
  background: rgba(255, 82, 0, 0.05);
}

.site-exazi a.active {
  color: var(--primary);
  font-weight: 700;
}

/* 展示区域词汇: site-ubigav, site-riyehad, site-ageheb */
.site-ubigav {
  position: relative;
  padding: var(--spacing-xl) 0;
  background: radial-gradient(circle at 80% 20%, rgba(255, 82, 0, 0.1) 0%, transparent 40%);
  aspect-ratio: 16 / 9;
  min-height: 600px;
  max-height: 900px;
  display: flex;
  align-items: center;
  overflow: hidden; color: #ffffff;}

.site-riyehad {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(90deg, var(--secondary), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.site-ageheb {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--text-light);
  max-width: 600px;
  margin-bottom: var(--spacing-md);
}

/* 卡片组件词汇: site-ozoviw, site-afixop */
.site-ozoviw {
  background: var(--background);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  height: 100%; color: #1a1a2e;}

.site-ozoviw:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.site-afixop {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  background: #f8f8f8; color: #1a1a2e;}

.site-afixop img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.site-ozoviw:hover .site-afixop img {
  transform: scale(1.05);
}

/* 按钮组件词汇: site-rosiy, site-equvec */
.site-rosiy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 2.5rem;
  background: var(--primary-gradient);
  color: #1a1a2e;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1.1rem;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(255, 82, 0, 0.3);
  transition: var(--transition);
}

.site-rosiy:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 82, 0, 0.4);
  filter: brightness(1.1);
}

.site-rosiy:active {
  transform: translateY(0);
}

.site-equvec {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 2.5rem;
  background: transparent;
  color: var(--secondary);
  border: 2px solid var(--secondary);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
}

.site-equvec:hover {
  background: var(--secondary);
  color: white;
}

/* 页脚区域词汇: site-uxehu, site-idixas */
.site-uxehu {
  background: var(--secondary);
  color: white;
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xl);
}

.site-idixas {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

/* 工具类 */
.site-text-center { text-align: center; }
.site-text-left { text-align: left; }
.site-text-right { text-align: right; }

.site-m-0 { margin: 0; }
.site-mt-1 { margin-top: var(--spacing-xs); }
.site-mt-2 { margin-top: var(--spacing-sm); }
.site-mt-3 { margin-top: var(--spacing-md); }
.site-mt-4 { margin-top: var(--spacing-lg); }

.site-d-flex { display: flex; }
.site-d-none { display: none; }
.site-d-block { display: block; }

/* 响应式设计 */
@media (max-width: 1024px) {
  .site-jajes {
    grid-template-columns: repeat(2, 1fr);
  }
  .site-ubigav {
    aspect-ratio: auto;
    height: auto;
    padding: var(--spacing-lg) 0;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
  }

  .site-eley .site-iletot {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .site-exazi {
    width: 100%;
    justify-content: center;
    gap: 0.5rem;
  }

  .site-exazi a {
    font-size: 0.9rem;
    padding: 0.4rem 0.6rem;
  }

  .site-jajes {
    grid-template-columns: 1fr;
  }

  .site-ubigav {
    text-align: center;
    padding: var(--spacing-lg) 0;
  }

  .site-ageheb {
    margin-left: auto;
    margin-right: auto;
  }

  .site-idixas {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }

  .site-rosiy, .site-equvec {
    width: 100%;
    margin-bottom: var(--spacing-sm);
  }
}

/* 动态像素流动点缀 */
.site-pixel-deco {
  position: absolute;
  width: 40px;
  height: 40px;
  background: var(--primary);
  opacity: 0.2;
  border-radius: 4px;
  animation: float 6s infinite ease-in-out; color: #ffffff;}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(10deg); }
}