/*
 * ZenyAI - 海南正元智能科技企业门户网站
 * 主样式文件 - "流体智能" 设计系统
 */

/* ========================================
   1. 字体导入
   ======================================== */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ========================================
   2. CSS变量 - 色彩系统
   ======================================== */
:root {
  /* 主色板 - Corporate Palette */
  --color-void-anthracite: #0B0D10;
  /* 深海无烟煤 - 主背景 */
  --color-stripe-blue: #635BFF;
  /* 电光条纹蓝 - 主按钮 */
  --color-cloud-dancer: #F0EEE9;
  /* 云端白 - 内容背景 */

  /* 业务线专属色 - Vertical Accents */
  --color-eco-teal: #00C9A7;
  /* 生态青 - OPC平台 */
  --color-tangerine-disco: #FF6A3D;
  /* 柑橘橙 - 社区团购 */
  --color-carbon-mint: #00FFC2;
  /* 碳基薄荷 - AI量化 */

  /* 辅助色 */
  --color-text-primary: #FFFFFF;
  --color-text-secondary: rgba(255, 255, 255, 0.7);
  --color-text-tertiary: rgba(255, 255, 255, 0.5);
  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-hover: rgba(255, 255, 255, 0.2);

  /* 渐变 */
  --gradient-primary: linear-gradient(135deg, var(--color-stripe-blue) 0%, #8B5CF6 100%);
  --gradient-hero: linear-gradient(180deg, #0B0D10 0%, #1a1f2e 50%, #0B0D10 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow-blue: 0 0 30px rgba(99, 91, 255, 0.3);
  --shadow-glow-teal: 0 0 30px rgba(0, 201, 167, 0.3);
  --shadow-glow-mint: 0 0 30px rgba(0, 255, 194, 0.3);

  /* 字体 */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* 间距 */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* 过渡 */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   3. 基础重置与全局样式
   ======================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--color-void-anthracite);
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ========================================
   4. 排版系统
   ======================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  color: var(--color-text-secondary);
  max-width: 65ch;
}

a {
  color: var(--color-stripe-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-carbon-mint);
}

code,
pre {
  font-family: var(--font-mono);
}

/* ========================================
   5. 容器与布局
   ======================================== */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-3xl) 0;
}

/* ========================================
   6. 玻璃拟态组件
   ======================================== */
.glass-card {
  background: var(--gradient-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
      transparent 0%,
      rgba(255, 255, 255, 0.3) 50%,
      transparent 100%);
}

.glass-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* 边缘流光效果 */
.glass-card.glow-effect {
  position: relative;
}

.glass-card.glow-effect::after {
  content: '';
  position: absolute;
  inset: -2px;
  background: conic-gradient(from 0deg,
      transparent 0deg,
      var(--color-stripe-blue) 60deg,
      transparent 120deg);
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-slow);
  animation: rotate-glow 4s linear infinite;
  animation-play-state: paused;
}

.glass-card.glow-effect:hover::after {
  opacity: 1;
  animation-play-state: running;
}

@keyframes rotate-glow {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

/* ========================================
   7. 按钮系统
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-glow-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(99, 91, 255, 0.5);
}

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

.btn-secondary:hover {
  border-color: var(--color-stripe-blue);
  background: rgba(99, 91, 255, 0.1);
}

/* ========================================
   8. 导航栏
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-md) 0;
  background: rgba(11, 13, 16, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
}

/* SVG Logo 图片样式 */
.logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  transition: transform var(--transition-base);
}

.logo:hover .logo-img {
  transform: scale(1.05);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  list-style: none;
}

.nav-link {
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-stripe-blue);
  transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* ========================================
   9. 英雄区域（首屏）
   ======================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-content {
  text-align: center;
  z-index: 10;
  max-width: 900px;
  padding: var(--spacing-xl);
}

.hero-title {
  margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* 背景动画元素 */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-bg::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 91, 255, 0.15) 0%, transparent 70%);
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    transform: translateX(-50%) scale(1);
    opacity: 0.5;
  }

  50% {
    transform: translateX(-50%) scale(1.2);
    opacity: 0.8;
  }
}

/* ========================================
   10. Bento Grid 布局
   ======================================== */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, minmax(200px, auto));
  gap: var(--spacing-lg);
  padding: var(--spacing-xl) 0;
}

.bento-item {
  background: var(--gradient-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.bento-item:hover {
  border-color: var(--color-border-hover);
  transform: scale(1.02);
}

/* 大模块 2x2 */
.bento-item.size-large {
  grid-column: span 2;
  grid-row: span 2;
}

/* 宽模块 2x1 */
.bento-item.size-wide {
  grid-column: span 2;
}

/* 高模块 1x2 */
.bento-item.size-tall {
  grid-row: span 2;
}

.bento-item-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
}

.bento-item-label.ai {
  color: var(--color-carbon-mint);
}

.bento-item-label.opc {
  color: var(--color-eco-teal);
}

.bento-item-label.groupbuy {
  color: var(--color-tangerine-disco);
}

.bento-item-label.tech {
  color: var(--color-stripe-blue);
}

.bento-item-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

.bento-item-desc {
  font-size: 0.95rem;
  color: var(--color-text-tertiary);
  flex-grow: 1;
}

/* ========================================
   11. Trust Bar 资质栏
   ======================================== */
.trust-bar {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0;
}

.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2xl);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-tertiary);
  font-size: 0.875rem;
}

.trust-icon {
  width: 24px;
  height: 24px;
  opacity: 0.6;
}

/* ========================================
   12. 页脚
   ======================================== */
.footer {
  background: #050607;
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  margin-top: var(--spacing-md);
  max-width: 300px;
}

.footer-title {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-text-tertiary);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
}

.footer-legal a {
  color: var(--color-text-tertiary);
}

.footer-legal a:hover {
  color: var(--color-stripe-blue);
}

.footer-copyright {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
}

/* ========================================
   13. 响应式设计
   ======================================== */
@media (max-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .nav-links {
    gap: var(--spacing-md);
  }

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

  .bento-item.size-large,
  .bento-item.size-wide {
    grid-column: span 1;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-legal {
    justify-content: center;
  }
}

/* ========================================
   14. 动画关键帧
   ======================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

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

.animate-float {
  animation: float 6s ease-in-out infinite;
}

/* ========================================
   15. 解决方案页面样式
   ======================================== */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  padding: var(--spacing-2xl) 0;
}

.solution-card {
  background: var(--gradient-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  transition: all var(--transition-slow);
}

.solution-card:hover {
  border-color: var(--color-stripe-blue);
  box-shadow: var(--shadow-glow-blue);
}

.solution-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
}

.solution-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
}

.solution-desc {
  font-size: 0.95rem;
  color: var(--color-text-tertiary);
}

/* ========================================
   16. 关于我们页面
   ======================================== */
.about-hero {
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-stripe-blue);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  margin-top: var(--spacing-sm);
}

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

/* ========================================
   17. 滚动条样式
   ======================================== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-void-anthracite);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}