/**
 * Chinese Single Product Page - China Market Style
 * 中文产品详情页 - 中国市场风格优化
 * 
 * Design Philosophy:
 * - Grand & Atmospheric: Spacious hero section with ample breathing room
 * - Professional & Trustworthy: Enterprise-grade B2B aesthetic
 * - Clear Hierarchy: Strong visual hierarchy with generous spacing
 * - Action-Oriented: Clear CTAs with prominent placement
 * 
 * Priority: Use !important to override default styles
 */

/* ============================================================================
   Hero Section - Grand & Atmospheric Style (大气磅礴的Hero区域)
   ============================================================================ */

body.lang-zh .product-hero {
    min-height: 550px !important; /* 统一为 550px */
    padding: 70px 40px !important; /* 优化内边距 */
    background-size: cover !important;
    background-position: center !important;
    background-repeat: no-repeat !important;
    position: relative !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

/* Hero Content Grid - 左右布局优化 */
body.lang-zh .hero-content {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 70px !important; /* 增加左右间距 */
    align-items: center !important;
    max-width: 1400px !important;
    margin: 0 auto !important;
    width: 100% !important;
}

/* Hero Image - 产品图片优化 */
body.lang-zh .hero-image {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100% !important;
}

body.lang-zh .hero-image img {
    display: block !important;
    width: 100% !important;
    height: auto !important;
    max-height: 480px !important; /* 从默认增加图片高度 */
    object-fit: contain !important;
    border-radius: 16px !important;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4) !important;
    background: rgba(255,255,255,0.1) !important;
    padding: 20px !important;
    border: 2px solid rgba(255,255,255,0.2) !important;
}

/* Hero Info - 产品信息区域 */
body.lang-zh .hero-info {
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    gap: 22px !important; /* 增加元素之间的间距 */
}

body.lang-zh .hero-info h1 {
    font-size: 48px !important; /* 标题字体大小 */
    font-weight: 800 !important;
    color: #fff !important;
    line-height: 1.2 !important;
    letter-spacing: -0.5px !important;
    margin-bottom: 26px !important;
}

body.lang-zh .hero-excerpt {
    font-size: 18px !important;
    line-height: 1.75 !important;
    color: rgba(255,255,255,0.95) !important;
    margin-bottom: 30px !important;
}

/* Key Specs - 关键规格列表 */
body.lang-zh .key-specs-list {
    background: rgba(255,255,255,0.15) !important;
    backdrop-filter: blur(10px) !important;
    padding: 34px !important;
    border-radius: 12px !important;
    border: 2px solid rgba(255,255,255,0.25) !important;
}

body.lang-zh .key-specs-list h3 {
    font-size: 17px !important;
    font-weight: 700 !important;
    color: #fff !important;
    text-transform: uppercase !important;
    letter-spacing: 1px !important;
    margin-bottom: 22px !important;
}

body.lang-zh .key-specs-list li {
    font-size: 16px !important;
    line-height: 1.65 !important;
    font-weight: 500 !important;
    color: #fff !important;
    margin-bottom: 11px !important;
}

/* CTA Buttons - 行动号召按钮 (中国橙色主题) */
body.lang-zh .btn-hero,
body.lang-zh .btn-cta {
    padding: 17px 34px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    border-radius: 8px !important;
    letter-spacing: 0.3px !important;
    transition: all 0.3s ease !important;
}

body.lang-zh .btn-primary,
body.lang-zh .btn-hero.btn-primary {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%) !important; /* 中国橙色渐变 */
    color: #fff !important;
    border: none !important;
}

body.lang-zh .btn-primary:hover,
body.lang-zh .btn-hero.btn-primary:hover {
    background: linear-gradient(135deg, #f7931e 0%, #ff6b35 100%) !important;
    transform: translateY(-3px) !important;
    box-shadow: 0 12px 28px rgba(255, 107, 53, 0.4) !important;
}

body.lang-zh .btn-secondary,
body.lang-zh .btn-hero.btn-secondary {
    background: rgba(255,255,255,0.15) !important;
    color: #fff !important;
    border: 2px solid rgba(255,255,255,0.35) !important;
}

body.lang-zh .btn-secondary:hover,
body.lang-zh .btn-hero.btn-secondary:hover {
    background: rgba(255,255,255,0.25) !important;
    border-color: rgba(255,255,255,0.6) !important;
    transform: translateY(-3px) !important;
}

/* ============================================================================
   Responsive Design - 响应式设计
   ============================================================================ */

/* Tablet - 平板设备 */
@media (max-width: 1024px) {
    body.lang-zh .product-hero {
        min-height: 500px !important;
        padding: 60px 30px !important;
    }
    
    body.lang-zh .hero-content {
        gap: 50px !important;
    }
    
    body.lang-zh .hero-info h1 {
        font-size: 40px !important;
    }
    
    body.lang-zh .hero-image img {
        max-height: 400px !important;
    }
}

@media (max-width: 968px) {
    body.lang-zh .hero-content {
        grid-template-columns: 48% 52% !important;
        gap: 40px !important;
    }
    
    body.lang-zh .hero-image img {
        max-height: 350px !important;
    }
    
    body.lang-zh .hero-info h1 {
        font-size: 34px !important;
    }
    
    body.lang-zh .hero-excerpt {
        font-size: 16px !important;
    }
}

/* Mobile - 移动设备 */
@media (max-width: 768px) {
    body.lang-zh .product-hero {
        min-height: 450px !important;
        padding: 50px 24px !important;
    }
    
    body.lang-zh .hero-content {
        grid-template-columns: 45% 55% !important;
        gap: 30px !important;
    }
    
    body.lang-zh .hero-image img {
        max-height: 320px !important;
        padding: 12px !important;
    }
    
    body.lang-zh .hero-info h1 {
        font-size: 28px !important;
    }
    
    body.lang-zh .hero-excerpt {
        font-size: 15px !important;
    }
    
    body.lang-zh .key-specs-list {
        padding: 20px !important;
    }
    
    body.lang-zh .key-specs-list h3 {
        font-size: 14px !important;
    }
    
    body.lang-zh .key-specs-list li {
        font-size: 13px !important;
    }
    
    body.lang-zh .btn-hero {
        padding: 13px 26px !important;
        font-size: 14px !important;
    }
}

@media (max-width: 640px) {
    body.lang-zh .product-hero {
        min-height: 400px !important;
        padding: 40px 16px !important;
    }
    
    body.lang-zh .hero-content {
        grid-template-columns: 40% 60% !important;
        gap: 20px !important;
    }
    
    body.lang-zh .hero-image img {
        max-height: 200px !important;
        padding: 8px !important;
    }
    
    body.lang-zh .hero-info h1 {
        font-size: 22px !important;
        margin-bottom: 12px !important;
    }
    
    body.lang-zh .hero-excerpt {
        font-size: 13px !important;
        margin-bottom: 16px !important;
    }
    
    body.lang-zh .key-specs-list {
        padding: 14px !important;
    }
    
    body.lang-zh .key-specs-list h3 {
        font-size: 12px !important;
    }
    
    body.lang-zh .key-specs-list li {
        font-size: 11px !important;
    }
    
    body.lang-zh .btn-hero,
    body.lang-zh .btn-cta {
        padding: 10px 20px !important;
        font-size: 12px !important;
    }
}

@media (max-width: 480px) {
    body.lang-zh .product-hero {
        min-height: 380px !important;
        padding: 35px 12px !important;
    }
    
    body.lang-zh .hero-content {
        grid-template-columns: 38% 62% !important;
        gap: 15px !important;
    }
    
    body.lang-zh .hero-image img {
        max-height: 160px !important;
        padding: 6px !important;
    }
    
    body.lang-zh .hero-info h1 {
        font-size: 18px !important;
    }
    
    body.lang-zh .hero-excerpt {
        font-size: 12px !important;
    }
    
    body.lang-zh .key-specs-list {
        padding: 12px !important;
    }
    
    body.lang-zh .key-specs-list h3 {
        font-size: 11px !important;
    }
    
    body.lang-zh .key-specs-list li {
        font-size: 10px !important;
    }
    
    body.lang-zh .btn-hero,
    body.lang-zh .btn-cta {
        padding: 9px 18px !important;
        font-size: 11px !important;
    }
}

/* ============================================================================
   Print Styles - 打印样式
   ============================================================================ */

@media print {
    body.lang-zh .product-hero {
        min-height: auto !important;
        padding: 2rem 1rem !important;
    }
    
    body.lang-zh .btn-hero,
    body.lang-zh .btn-cta {
        display: none !important;
    }
}