/* 骏泽智能科技官网样式 - 深色科技风 */

:root {
  --bg-primary: #0b1120;
  --bg-secondary: #0f172a;
  --bg-card: rgba(15, 23, 42, 0.8);
  --color-primary: #06b6d4;
  --color-accent: #0ea5e9;
  --color-text: #f8fafc;
  --color-text-secondary: #94a3b8;
  --color-border: rgba(6, 182, 212, 0.2);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 导航栏 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 17, 32, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  transition: color 0.3s ease;
}

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

.lang-switch {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.3s ease;
}

.lang-switch:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.mobile-menu span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
}

/* Hero 区域 */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: 72px;
  background: radial-gradient(ellipse at top, rgba(6, 182, 212, 0.08), transparent 60%),
              radial-gradient(ellipse at bottom right, rgba(14, 165, 233, 0.05), transparent 50%),
              var(--bg-primary);
}

.hero-content {
  text-align: center;
  max-width: 900px;
}

.hero-badge {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: 30px;
  font-size: 0.9rem;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--bg-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(6, 182, 212, 0.25);
}

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

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* 区块通用 */
.section {
  padding: 120px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 72px;
}

.section-label {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* 核心价值 */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 40px 32px;
  transition: all 0.3s ease;
}

.value-card:hover {
  border-color: rgba(6, 182, 212, 0.4);
  transform: translateY(-5px);
}

.value-icon {
  width: 56px;
  height: 56px;
  background: rgba(6, 182, 212, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.value-card h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.value-card p {
  color: var(--color-text-secondary);
}

/* 平台能力 */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.capability-card {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 36px;
  display: flex;
  gap: 20px;
  transition: all 0.3s ease;
}

.capability-card:hover {
  border-color: rgba(6, 182, 212, 0.4);
}

.capability-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: rgba(6, 182, 212, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.capability-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.capability-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* 应用场景 */
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.scenario-card {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s ease;
}

.scenario-card:hover {
  border-color: rgba(6, 182, 212, 0.4);
  transform: translateY(-5px);
}

.scenario-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.scenario-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.scenario-card p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* 关于我们 */
.about {
  background: var(--bg-secondary);
}

.about-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.about-text {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.about-text p {
  margin-bottom: 24px;
}

/* 页脚 */
.footer {
  background: #070b14;
  border-top: 1px solid var(--color-border);
  padding: 40px 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copyright {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.footer-icp {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

/* 语言切换 */
.lang-en .zh,
.lang-zh .en {
  display: none;
}

/* 滚动淡入动画 */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu {
    display: flex;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

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

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

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

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