/* ===========================================
   CCBONLINE 统一品牌视觉系统 2024
   Unified Brand Visual System
   专业商务 · 高端大气 · 市场准入专家
   =========================================== */

/* ===== 核心品牌变量系统 ===== */
:root {
  /* 主品牌色彩系统 */
  --brand-primary-dark: #0f172a;
  --brand-primary-medium: #1e293b;
  --brand-primary-light: #334155;
  --brand-accent-gold: #fbbf24;
  --brand-accent-orange: #f97316;
  --brand-white: #ffffff;
  --brand-black: #000000;
  
  /* 专业渐变系统 */
  --brand-gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
  --brand-gradient-gold: linear-gradient(135deg, #fbbf24 0%, #f97316 100%);
  --brand-gradient-overlay: linear-gradient(135deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.3) 100%);
  
  /* 专业阴影系统 */
  --brand-shadow-hero: 0 2px 8px rgba(0, 0, 0, 0.3);
  --brand-shadow-text: 0 3px 12px rgba(0, 0, 0, 0.8), 0 1px 4px rgba(0, 0, 0, 0.6);
  --brand-shadow-badge: 0 4px 12px rgba(0, 0, 0, 0.2);
  
  /* 专业字体系统 */
  --brand-font-primary: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --brand-font-display: 'Playfair Display', 'Times New Roman', serif;
}

/* ===== 统一Hero区域样式 ===== */
.brand-hero {
  background: var(--brand-gradient-hero);
  color: var(--brand-white);
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at top left, rgba(249, 115, 22, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(26, 54, 93, 0.15) 0%, transparent 50%),
    var(--brand-gradient-overlay);
}

/* ===== 统一内容容器 ===== */
.brand-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ===== 统一徽章系统 ===== */
.brand-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  margin-bottom: 2rem;
  font-weight: 700;
  color: var(--brand-white);
  text-shadow: var(--brand-shadow-text);
  font-size: 0.95rem;
  letter-spacing: 0.3px;
  box-shadow: var(--brand-shadow-badge);
  font-family: var(--brand-font-primary);
}

.brand-badge i {
  margin-right: 0.5rem;
  color: #ef4444;
  filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.4));
}

/* ===== 统一标题系统 ===== */
.brand-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
  color: var(--brand-white);
  text-shadow: var(--brand-shadow-hero);
  font-family: var(--brand-font-primary);
}

.brand-title-main {
  display: block;
  font-size: 3.5rem;
  letter-spacing: -0.025em;
}

.brand-title-sub {
  display: block;
  font-size: 1.5rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-top: 0.5rem;
}

.brand-title-accent {
  color: var(--brand-accent-gold);
  font-weight: 800;
}

/* ===== 统一副标题系统 ===== */
.brand-subtitle {
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto 2rem;
  position: relative;
  font-family: var(--brand-font-primary);
}

.brand-subtitle::before {
  content: '';
  position: absolute;
  inset: -1rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 12px;
  backdrop-filter: blur(8px);
  z-index: -1;
}

.brand-subtitle-chinese {
  color: var(--brand-white);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  text-shadow: var(--brand-shadow-text);
  letter-spacing: 0.5px;
}

.brand-subtitle-english {
  color: #f8fafc;
  font-size: 1.15rem;
  font-weight: 700;
  text-shadow: var(--brand-shadow-text);
  letter-spacing: 0.3px;
}

/* ===== 统一高亮文字系统 ===== */
.brand-highlight {
  color: var(--brand-accent-gold);
  font-weight: 700;
  text-shadow: var(--brand-shadow-text);
}

/* ===== 统一统计数据系统 ===== */
.brand-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
  padding: 2rem 0;
}

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

.brand-stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--brand-accent-gold);
  text-shadow: var(--brand-shadow-text);
  margin-bottom: 0.5rem;
  font-family: var(--brand-font-primary);
}

.brand-stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* ===== 统一按钮系统 ===== */
.brand-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

.brand-btn {
  display: inline-flex;
  align-items: center;
  padding: 1rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s ease;
  letter-spacing: 0.3px;
  font-family: var(--brand-font-primary);
}

.brand-btn-primary {
  background: var(--brand-gradient-gold);
  color: var(--brand-white);
  box-shadow: 0 8px 32px rgba(251, 191, 36, 0.4);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.brand-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(251, 191, 36, 0.6);
}

.brand-btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  color: var(--brand-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(12px);
  text-shadow: var(--brand-shadow-text);
}

.brand-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.brand-btn i {
  margin-right: 0.5rem;
}

/* ===== 响应式系统 ===== */
@media (max-width: 768px) {
  .brand-title {
    font-size: 2.5rem;
  }
  
  .brand-title-main {
    font-size: 3rem;
  }
  
  .brand-title-sub {
    font-size: 1.25rem;
  }
  
  .brand-subtitle-chinese,
  .brand-subtitle-english {
    font-size: 1.1rem !important;
    font-weight: 800 !important;
    text-shadow: 0 4px 16px rgba(0, 0, 0, 0.9), 0 2px 8px rgba(0, 0, 0, 0.7) !important;
  }
  
  .brand-hero::before {
    background: 
      radial-gradient(ellipse at top left, rgba(249, 115, 22, 0.1) 0%, transparent 50%),
      radial-gradient(ellipse at bottom right, rgba(26, 54, 93, 0.15) 0%, transparent 50%),
      linear-gradient(135deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.4) 100%);
  }
  
  .brand-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .brand-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .brand-btn {
    width: 100%;
    max-width: 300px;
  }
}

/* ===== 动画系统 ===== */
@keyframes brandFadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.brand-animate-fade-in-up {
  animation: brandFadeInUp 0.8s ease-out;
}

.brand-animate-delay-100 { animation-delay: 0.1s; }
.brand-animate-delay-200 { animation-delay: 0.2s; }
.brand-animate-delay-300 { animation-delay: 0.3s; }
.brand-animate-delay-400 { animation-delay: 0.4s; }

/* ===== 字体渲染优化 ===== */
.brand-content *,
.brand-badge,
.brand-title,
.brand-subtitle {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}