/* 设计系统 - 华为金牌合作伙伴企业官网 */

/* 颜色系统 */
:root {
  /* 主色调 */
  --primary-blue: #1E88E5;
  --primary-blue-light: #42A5F5;
  --primary-blue-dark: #1565C0;
  
  /* 辅助色 */
  --accent-yellow: #FFC107;
  --accent-yellow-light: #FFD54F;
  --accent-yellow-dark: #FFA000;
  
  /* 中性色 */
  --white: #FFFFFF;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #EEEEEE;
  --gray-300: #E0E0E0;
  --gray-400: #BDBDBD;
  --gray-500: #9E9E9E;
  --gray-600: #757575;
  --gray-700: #616161;
  --gray-800: #424242;
  --gray-900: #212121;
  
  /* 功能色 */
  --success: #4CAF50;
  --warning: #FF9800;
  --error: #F44336;
  --info: #2196F3;
}

/* 排版系统 */
body {
  font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--gray-800);
}

/* 标题 */
h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h2 {
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

/* 正文 */
p {
  margin-bottom: 1rem;
}

/* 间距系统 */
.spacing-xs { padding: 0.25rem; }
.spacing-sm { padding: 0.5rem; }
.spacing-md { padding: 1rem; }
.spacing-lg { padding: 1.5rem; }
.spacing-xl { padding: 2rem; }
.spacing-2xl { padding: 3rem; }

/* 圆角系统 */
.rounded-sm { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

/* 阴影系统 */
.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }
.shadow-md { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }
.shadow-xl { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); }

/* 动画系统 */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.animate-fadeIn {
  animation: fadeIn 0.6s ease-in-out;
}

.animate-slideUp {
  animation: slideUp 0.6s ease-out;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* 过渡效果 */
.transition-all {
  transition: all 0.3s ease;
}

.transition-colors {
  transition: color 0.3s ease, background-color 0.3s ease;
}

.transition-transform {
  transition: transform 0.3s ease;
}

/* 响应式断点 */
@media (max-width: 640px) {
  /* 移动设备 */
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
}

@media (min-width: 641px) and (max-width: 1024px) {
  /* 平板设备 */
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.375rem; }
}

@media (min-width: 1025px) {
  /* 桌面设备 */
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.5rem; }
}

/* 组件样式 */
.btn-primary {
  display: inline-block;
  background-color: var(--primary-blue);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: var(--primary-blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
  display: inline-block;
  background-color: var(--white);
  color: var(--primary-blue);
  border: 1px solid var(--primary-blue);
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background-color: var(--primary-blue);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.card {
  background-color: var(--white);
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* 导航栏样式 */
.navbar {
  background-color: var(--white);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* 英雄区样式 */
.hero {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
  color: var(--white);
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiPjxwYXRoIGQ9Ik0gNDAgMCBMIDAgMCAwIDQwIiBmaWxsPSJub25lIiBzdHJva2U9IiNmZmZmZmYxMCIgc3Ryb2tlLXdpZHRoPSIxIi8+PC9wYXR0ZXJuPjwvZGVmcz48cmVjdCB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiBmaWxsPSJ1cmwoI3BhdHRlcm4pIi8+PC9zdmc+');
  opacity: 0.1;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
}

/* 产品卡片样式 */
.product-card {
  background-color: var(--white);
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: all 0.3s ease;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.product-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

/* 解决方案卡片样式 */
.solution-card {
  background-color: var(--white);
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.solution-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* 页脚样式 */
.footer {
  background-color: var(--gray-800);
  color: var(--white);
  padding: 3rem 0;
}

.footer-link {
  color: var(--gray-400);
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: var(--white);
}

/* 响应式导航 */
@media (max-width: 768px) {
  .mobile-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background-color: var(--white);
    box-shadow: -2px 0 5px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: 1000;
  }

  .mobile-menu.open {
    right: 0;
  }
}

/* 加载动画 */
.loading-spinner {
  border: 4px solid var(--gray-200);
  border-top: 4px solid var(--primary-blue);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 表单样式 */
.form-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--gray-300);
  border-radius: 0.375rem;
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.1);
}

/* 按钮样式 */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 500;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--primary-blue);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--primary-blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

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

.btn-secondary:hover {
  background-color: var(--primary-blue);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* 标签样式 */
.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
}

.tag-blue {
  background-color: rgba(30, 136, 229, 0.1);
  color: var(--primary-blue);
}

.tag-yellow {
  background-color: rgba(255, 193, 7, 0.1);
  color: var(--accent-yellow-dark);
}

.tag-green {
  background-color: rgba(76, 175, 80, 0.1);
  color: var(--success);
}

/* 分割线样式 */
.divider {
  height: 1px;
  background-color: var(--gray-200);
  margin: 2rem 0;
}

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

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

.w-full { width: 100%; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }

.mx-auto { margin-left: auto; margin-right: auto; }