/* ============================================
   WADJAY ZHENGZHOU THEME - MAIN STYLESHEET
   ============================================ */

/* CSS Variables */
:root {
    /* Primary Colors */
    --primary-color: #0056b3;
    --primary-dark: #004494;
    --primary-light: #007bff;
    --primary-lightest: #e6f2ff;
    
    /* Secondary Colors */
    --secondary-color: #6c757d;
    --secondary-dark: #545b62;
    --secondary-light: #868e96;
    
    /* Accent Colors */
    --accent-color: #28a745;
    --accent-dark: #1e7e34;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    
    /* Neutral Colors */
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --gray: #e9ecef;
    --dark-gray: #6c757d;
    --black: #212529;
    
    /* Background Colors */
    --body-bg: #ffffff;
    --card-bg: #ffffff;
    --header-bg: #ffffff;
    --footer-bg: #1a1a1a;
    
    /* Text Colors */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-light: #f8f9fa;
    --text-dark: #343a40;
    
    /* Border Colors */
    --border-color: #dee2e6;
    --border-light: #e9ecef;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 86, 179, 0.05);
    --shadow-md: 0 6px 12px rgba(0, 86, 179, 0.08);
    --shadow-lg: 0 12px 24px rgba(0, 86, 179, 0.12);
    --shadow-xl: 0 20px 40px rgba(0, 86, 179, 0.15);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    
    /* Typography */
    --font-family-base: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    --font-family-heading: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 1rem;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-xxl: 2rem;
    --line-height-base: 1.6;
    
    /* Borders */
    --border-radius-sm: 4px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 20px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Layout */
    --header-height: 80px;
    --container-width: 1200px;
    --sidebar-width: 300px;
	
	/* 新增强调色 */
    --accent-orange: #ff6b35;      /* 工业橙 - 活力感 */
    --accent-orange-light: #ff8b4d;
    --accent-orange-dark: #e0552b;
    
    /* 新增金属色系 */
    --metal-gray: #4a5568;         /* 金属灰 */
    --metal-blue: #2d3748;         /* 金属蓝 */
	
	/* 主颜色RGB值（用于rgba） */
    --primary-color-rgb: 0, 86, 179;
    
    /* 扩展的间距变量 */
    --spacing-xxs: 0.125rem;
    --spacing-xxl: 3rem;
    --spacing-xxxl: 5rem;
    
    /* 扩展的边框半径 */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 20px;
    
    /* 扩展的阴影 */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* 扩展的过渡效果 */
    --transition-slow: 0.5s ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   SECTION HEADER STYLES - 放在main.css最开头
   ============================================ */

/* 通用section-header样式 */
.section-header {
    margin-bottom: var(--spacing-xl) !important;
}

/* 所有section的标题和描述紧凑间距 */
.section-header .section-title {
    margin-bottom: 0.5rem !important;
}

.section-header .section-description {
    margin-top: 0.5rem !important;
    margin-bottom: 0 !important;
}

/* 如果需要，为不同部分设置不同间距 */
.services-section .section-header .section-title {
    margin-bottom: 0.25rem !important; /* 更紧凑 */
}

.services-section .section-header .section-description {
    margin-top: 0.25rem !important;
    margin-bottom: 0 !important;
}

/* 确保覆盖Bootstrap样式 */
.services-section .section-header h2,
.services-section .section-header p {
    margin-bottom: 0.25rem !important;
}

.services-section .section-header p:last-child {
    margin-bottom: 0 !important;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    gap: 0.5rem;
}

.btn-accent {
    background: linear-gradient(135deg, 
        var(--accent-orange) 0%, 
        var(--accent-orange-dark) 100%);
    color: white;
}

.btn-accent:hover {
    background: linear-gradient(135deg, 
        var(--accent-orange-dark) 0%, 
        var(--accent-orange) 100%);
}

.btn-primary {
    background: linear-gradient(135deg, 
        var(--primary-color) 0%, 
        var(--primary-dark) 100%);
    border: none;
    box-shadow: 0 4px 6px rgba(0, 86, 179, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, 
        var(--primary-dark) 0%, 
        var(--primary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 86, 179, 0.3);
}

.btn-outline-primary {
    color: var(--primary-color);
    background-color: transparent;
    border-color: var(--primary-color);
}

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

.btn-light {
    color: var(--text-dark);
    background-color: var(--white);
    border-color: var(--white);
}

.btn-light:hover {
    background-color: var(--light-gray);
    border-color: var(--light-gray);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Hero Section */
/* Hero Section */
.simple-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* 渐变遮罩层 - 增强对比度 */
.simple-hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(0, 68, 148, 0.7) 0%,     /* 透明度调整为0.7 */
        rgba(0, 86, 179, 0.7) 100%);
    z-index: 0; /* 在背景和内容之间 */
    pointer-events: none; /* 不干扰点击事件 */
}

/* 视频和图片背景 */
.hero-video-bg,
.hero-image-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Hero视频加载状态 */
.video-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 1.5rem;
    z-index: 5;
    display: none;
}

/* 视频播放时的流畅度优化 */
.hero-video {
    transition: opacity 0.3s ease;
}

.hero-video.loading {
    opacity: 0.8;
    filter: blur(1px);
}

/* 原有的叠加层调整 */
.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
        rgba(0, 0, 0, 0.3) 0%, 
        rgba(0, 0, 0, 0.1) 100%);
    z-index: -1;
}

/* 图片背景的遮罩 */
.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(0, 68, 148, 0.3) 0%, 
        rgba(0, 86, 179, 0.3) 100%);
    z-index: -1;
}

/* 内容区域 */
.hero-content {
    position: relative;
    z-index: 2; /* 确保在最上层 */
    color: var(--white);
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.hero-title {
	color: #FFFFFF;
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
    text-shadow: 0 2px 80px rgba(0, 0, 0, 0.6);
}

.hero-title .highlight {
    color: #FF8535;
    position: relative;
    display: inline-block;
    text-shadow: 0 4px 15px rgba(255, 133, 53, 0.7), 0 2px 8px rgba(255, 107, 53, 0.5);
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    opacity: 0.98;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xxl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    color: var(--white);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.stat .label {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
    font-weight: 600;
}

.scroll-down {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 1.5rem;
    z-index: 2;
    animation: bounce 2s infinite;
    background: rgba(255, 255, 255, 0.1);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    40% {
        transform: translateY(-10px) translateX(-50%);
    }
    60% {
        transform: translateY(-5px) translateX(-50%);
    }
}

/* 按钮样式增强 */
.hero-buttons .btn-primary {
    background: linear-gradient(135deg, 
        var(--accent-orange) 0%, 
        var(--accent-orange-dark) 100%);
    border: none;
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 700;
}

.hero-buttons .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 107, 53, 0.5);
}

.hero-buttons .btn-light {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-dark);
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 700;
    backdrop-filter: blur(10px);
}

.hero-buttons .btn-light:hover {
    background: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3);
}

/* 金属质感边框 */
.metal-border {
    border: 1px solid rgba(74, 85, 104, 0.2);
    border-radius: var(--border-radius);
    box-shadow: 
        inset 0 1px 2px rgba(255, 255, 255, 0.5),
        0 4px 6px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.9) 0%, 
        rgba(248, 249, 250, 0.8) 100%);
}

/* 金属质感按钮 */
.btn-metal {
    background: linear-gradient(135deg, 
        var(--metal-gray) 0%, 
        var(--metal-blue) 100%);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-metal:hover {
    background: linear-gradient(135deg, 
        var(--metal-blue) 0%, 
        var(--metal-gray) 100%);
}

/* 卡片阴影优化 */
.card-hover {
    transition: all var(--transition-normal);
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 86, 179, 0.15),
                0 0 0 1px rgba(255, 107, 53, 0.1);
}

/* 服务图标 */
.service-icon {
    background: linear-gradient(135deg, 
        rgba(0, 86, 179, 0.1) 0%, 
        rgba(255, 107, 53, 0.05) 100%);
    color: var(--primary-color);
    border-radius: var(--border-radius-lg);
    padding: 25px;
    box-shadow: var(--shadow-sm);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, 
        var(--primary-color) 0%, 
        var(--accent-orange) 100%);
    color: white;
    transform: scale(1.1);
}

/* Trust Indicators */
/* Trust Indicators - 4张卡片紧凑版 */
.trust-indicators {
    background-color: var(--light-gray);
	padding: var(--spacing-xxl) 0 !important;  /* 强制使用80px */
    padding-top: var(--spacing-xxl) !important;
    padding-bottom: var(--spacing-xxl) !important;
    margin-bottom: 0 !important;
    position: relative;
}

.trust-indicators .section-header {
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    padding: 0 var(--spacing-md);
}

.trust-indicators .section-title {
    font-size: 2.25rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    text-align: center;
    font-weight: 700;
    line-height: 1.3;
}

.trust-indicators .section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    text-align: center;
    opacity: 0.85;
}

/* 4张卡片网格布局 - 优化加载速度 */
.indicator-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* 简化卡片设计，移除复杂动画 */
.indicator-item {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    min-height: 220px; /* 减少高度 */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    /* 移除复杂过渡，保留基础hover效果 */
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.indicator-item:hover {
    transform: translateY(-3px); /* 减少移动距离 */
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

/* 简化顶部装饰 */
.indicator-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px; /* 减小宽度 */
    height: 3px; /* 减小高度 */
    background: var(--primary-color); /* 简化渐变 */
    border-radius: 0 0 2px 2px;
}

/* 简化图标设计 */
.indicator-icon {
    width: 60px; /* 减小尺寸 */
    height: 60px;
    background: var(--primary-lightest); /* 简化渐变 */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md); /* 减少间距 */
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 86, 179, 0.1); /* 减少阴影 */
    border: 4px solid var(--white);
}

.indicator-icon i {
    font-size: 1.8rem; /* 减小字体 */
    color: var(--primary-color);
    /* 移除图标动画 */
}

/* 优化数字容器 */
.indicator-number-container {
    margin: var(--spacing-sm) 0; /* 减少间距 */
    min-height: 60px; /* 减小高度 */
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 100%;
}

.indicator-number {
    font-size: 2.5rem; /* 减小字体大小 */
    font-weight: 800;
    color: var(--primary-dark);
    line-height: 1;
    font-family: var(--font-family-heading);
    position: relative;
    display: inline-block;
    letter-spacing: -0.5px;
}

.indicator-number::after {
    content: attr(data-suffix);
    font-size: 1.2rem; /* 减小后缀字体 */
    color: var(--accent-orange);
    position: absolute;
    top: -5px; /* 调整位置 */
    right: -15px;
    font-weight: 600;
}

/* 简化标签设计 */
.indicator-label {
    font-size: 0.9rem; /* 减小字体 */
    text-transform: uppercase;
    letter-spacing: 1px; /* 减少字间距 */
    color: var(--text-dark);
    font-weight: 600;
    margin-top: var(--spacing-xs); /* 减少上边距 */
    display: block;
    padding: 0 var(--spacing-sm);
    line-height: 1.4;
}

/* 简化角标装饰 - 可考虑移除 */
.indicator-item::after {
    content: '';
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 15px; /* 减小尺寸 */
    height: 15px;
    background: var(--primary-lightest);
    border-radius: 3px;
    transform: rotate(45deg);
    opacity: 0.2; /* 降低透明度 */
    /* 移除动画 */
}

/* 移除复杂的动画关键帧 */
/* @keyframes fadeInUp { ... } 移除 */

/* 优化响应式设计 */
@media (max-width: 992px) {
    .indicator-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .indicator-item {
        min-height: 200px;
        padding: var(--spacing-md);
    }
    
    .indicator-icon {
        width: 55px;
        height: 55px;
        margin-bottom: var(--spacing-sm);
    }
    
    .indicator-icon i {
        font-size: 1.6rem;
    }
    
    .indicator-number {
        font-size: 2.2rem;
    }
    
    .indicator-number::after {
        font-size: 1.1rem;
        top: -4px;
        right: -12px;
    }
}

@media (max-width: 576px) {
    .indicator-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        gap: var(--spacing-md);
    }
    
    .indicator-item {
        min-height: 180px;
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .indicator-number-container {
        min-height: 50px;
    }
    
    .indicator-number {
        font-size: 2rem;
    }
}

/* 如果有数字滚动动画，可以延迟加载或简化 */
/* 移除滚动动画的复杂计算，使用简单过渡 */
.indicator-number {
    transition: opacity 0.3s ease;
}

/* 如果不需要数字滚动效果，可以直接显示最终值 */
.indicator-number.animated {
    animation: none; /* 移除动画 */
}

/* 认证区域 - 紧凑版 */

/* ===== 专业认证区域样式 ===== */
.certifications-grid {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border-radius: 24px;
    padding: 3.5rem 2.5rem;
    margin: 4rem auto;
    max-width: 1200px;
    border: 1px solid rgba(0, 86, 179, 0.1);
    box-shadow: 0 20px 60px rgba(0, 86, 179, 0.08);
    position: relative;
    overflow: hidden;
}

.certifications-grid::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-orange));
}

.cert-section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.cert-section-header h3 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.cert-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 证书展示区整体样式 */
.certificates-showcase {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* 4列网格布局 */
.cert-grid.four-columns {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

@media (max-width: 1200px) {
    .cert-grid.four-columns {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .cert-grid.four-columns {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
        gap: 1.5rem;
    }
}

/* 证书卡片样式 */
.cert-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 15px 35px rgba(0, 86, 179, 0.08);
    border: 1px solid rgba(0, 86, 179, 0.1);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* 悬停放大效果 - 重点设计 */
.cert-card:hover {
    transform: scale(1.08) translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 86, 179, 0.2);
    border-color: rgba(0, 86, 179, 0.25);
    z-index: 10;
}

/* 图片展示区域 - 大幅增加图片空间 */
.cert-visual {
    position: relative;
    padding: 3.5rem 2rem 2.5rem;
    background: linear-gradient(135deg, rgba(0, 86, 179, 0.02), rgba(255, 107, 53, 0.02));
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 280px;
}

/* 图片容器 */
.cert-image-container {
    position: relative;
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 图片样式 - 大幅增加尺寸 */
.cert-image-container img {
    width: auto;
    height: 100%;
    max-width: 220px;
    object-fit: contain;
    position: relative;
    z-index: 3;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
}

.cert-card:hover .cert-image-container img {
    transform: scale(1.15);
    filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.2));
}

/* 发光效果 */
.cert-glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, 
        rgba(0, 86, 179, 0.1) 0%, 
        rgba(0, 86, 179, 0.05) 40%,
        rgba(0, 86, 179, 0) 70%);
    border-radius: 50%;
    z-index: 2;
    opacity: 0.7;
    transition: all 0.5s ease;
}

.cert-card:hover .cert-glow-effect {
    opacity: 1;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, 
        rgba(0, 86, 179, 0.15) 0%, 
        rgba(0, 86, 179, 0.08) 40%,
        rgba(0, 86, 179, 0) 70%);
}

/* 徽章样式 */
.cert-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--primary-color), #0052cc);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    z-index: 4;
    box-shadow: 0 5px 15px rgba(0, 86, 179, 0.3);
}

/* 底部信息区 - 精简设计 */
.cert-details {
    padding: 1.5rem;
    text-align: center;
    background: linear-gradient(to top, rgba(0, 86, 179, 0.01), transparent);
    border-top: 1px solid rgba(0, 86, 179, 0.05);
}

.cert-name {
    font-size: 1rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-weight: 700;
    line-height: 1.3;
    white-space: nowrap;
}

.cert-tag {
    display: inline-block;
    background: rgba(0, 86, 179, 0.08);
    color: var(--primary-color);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cert-card:hover .cert-tag {
    background: rgba(0, 86, 179, 0.15);
    transform: scale(1.05);
}

/* 悬停信息展示 */
.cert-hover-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    transform: translateY(100%);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 5;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.1);
}

.cert-card:hover .cert-hover-info {
    transform: translateY(0);
    opacity: 1;
}

.info-content {
    text-align: center;
}

.info-content h4 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.info-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* 为每个证书添加不同颜色主题 */
.cert-card[data-cert="iso9001"] .cert-badge {
    background: linear-gradient(135deg, #0056B3, #003d82);
}

.cert-card[data-cert="ce"] .cert-badge {
    background: linear-gradient(135deg, #00B050, #00853e);
}

.cert-card[data-cert="fda"] .cert-badge {
    background: linear-gradient(135deg, #2E8B57, #1a5336);
}

.cert-card[data-cert="rohs"] .cert-badge {
    background: linear-gradient(135deg, #4CAF50, #2e7d32);
}

/* 响应式调整 */
@media (max-width: 1400px) {
    .cert-image-container {
        height: 180px;
    }
    
    .cert-visual {
        padding: 3rem 1.5rem 2rem;
        min-height: 250px;
    }
}

@media (max-width: 1200px) {
    .cert-image-container {
        height: 170px;
    }
    
    .cert-image-container img {
        max-width: 200px;
    }
    
    .cert-visual {
        padding: 2.5rem 1.5rem 1.5rem;
        min-height: 230px;
    }
}

@media (max-width: 992px) {
    .cert-name {
        font-size: 1.3rem;
    }
    
    .cert-image-container {
        height: 160px;
    }
    
    .cert-image-container img {
        max-width: 180px;
    }
}

@media (max-width: 768px) {
    .cert-card {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .cert-visual {
        padding: 2.5rem 1.5rem 1.5rem;
        min-height: 220px;
    }
    
    .cert-image-container {
        height: 180px;
    }
    
    .cert-image-container img {
        max-width: 200px;
        height: 100%;
    }
    
    .cert-glow-effect {
        width: 220px;
        height: 220px;
    }
}

@media (max-width: 576px) {
    .cert-visual {
        padding: 2rem 1rem 1.5rem;
        min-height: 200px;
    }
    
    .cert-image-container {
        height: 160px;
    }
    
    .cert-image-container img {
        max-width: 180px;
    }
    
    .cert-details {
        padding: 1.25rem;
    }
    
    .cert-name {
        font-size: 1.25rem;
    }
    
    .cert-badge {
        top: 15px;
        right: 15px;
        font-size: 0.8rem;
        padding: 0.3rem 0.8rem;
    }
}

/* 底部说明 */
.cert-footer-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(0, 86, 179, 0.1);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.cert-footer-note i {
    color: var(--accent-orange);
    font-size: 1.1rem;
}

/* 动画效果 */
@keyframes floatCert {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.primary-cert.active {
    animation: floatCert 3s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 15px 40px rgba(0, 86, 179, 0.12); }
    50% { box-shadow: 0 15px 40px rgba(0, 86, 179, 0.2); }
}

.primary-cert {
    animation: pulseGlow 4s ease-in-out infinite;
}


/* Featured Products */
/* ============================================
   MODERN FEATURED PRODUCTS
   ============================================ */

.featured-products {
    padding: 5rem 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
    overflow: hidden;
}

.featured-products::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0,86,179,0.03) 0%, transparent 70%);
    pointer-events: none;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

/* 现代化产品卡片 */
.product-card-modern {
    background: #ffffff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(0,86,179,0.08);
}

.product-card-modern:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,86,179,0.15);
    border-color: rgba(0,86,179,0.2);
}

/* 图片包装器 - 固定高度和比例 */
.product-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 100%; /* 1:1 正方形比例 */
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
}

.product-image-link {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.product-image-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.product-card-modern:hover .product-image-container {
    transform: scale(1.1);
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 确保图片覆盖整个区域 */
    transition: transform 0.6s ease;
}

/* 快速操作按钮 */
.product-actions-modern {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    display: flex;
    gap: 0.75rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    z-index: 2;
}

.product-card-modern:hover .product-actions-modern {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.action-btn {
    width: 45px;
    height: 45px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1e293b;
    font-size: 1.2rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
    text-decoration: none;
}

.action-btn:hover {
    background: #0056b3;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,86,179,0.3);
}

/* 特色标签 */
.featured-label {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #ffd700 0%, #ffb800 100%);
    color: #1e293b;
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 5px 15px rgba(255,215,0,0.3);
    z-index: 2;
    backdrop-filter: blur(5px);
}

.featured-label i {
    font-size: 0.9rem;
}

/* 产品信息区域 */
.product-info-modern {
    padding: 1.8rem 1.5rem 1.5rem;
    text-align: left;
    background: white;
    position: relative;
    flex: 1;
}

.product-title-modern {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.product-title-modern a {
    color: #1e293b;
    text-decoration: none;
    transition: color 0.3s ease;
}

.product-title-modern a:hover {
    color: #0056b3;
}

.product-model-modern {
    margin-bottom: 1rem;
    font-size: 0.95rem;
    color: #64748b;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.model-label {
    font-weight: 500;
    color: #94a3b8;
}

.model-value {
    font-weight: 600;
    color: #0056b3;
    background: rgba(0,86,179,0.08);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
}

.product-price-modern {
    display: flex;
    flex-direction: column;
    padding-top: 1rem;
    border-top: 1px solid rgba(0,0,0,0.05);
}

.price-label {
    font-size: 0.8rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.price-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0056b3;
    line-height: 1.2;
}

/* 无产品时的提示 */
.alert-modern {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border: 1px solid rgba(0,86,179,0.1);
    max-width: 500px;
    margin: 0 auto;
}

.alert-modern h4 {
    color: #1e293b;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.alert-modern p {
    color: #64748b;
    margin-bottom: 0;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 576px) {
    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .product-image-wrapper {
        padding-top: 80%; /* 稍微调整移动端比例 */
    }
    
    .product-actions-modern {
        opacity: 1;
        visibility: visible;
        transform: translateX(-50%) translateY(0);
    }
    
    .featured-label {
        font-size: 0.7rem;
        padding: 0.4rem 0.8rem;
    }
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, 
        var(--primary-dark) 0%, 
        var(--primary-color) 50%,
        var(--accent-orange) 100%);
    color: var(--white);
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/pattern.svg');
    background-size: cover;
    opacity: 0.1;
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

/* CTA Section - Contact Methods */
.cta-section .quick-contact h4 {
    color: rgba(255, 255, 255, 0.9);
}

.cta-section .contact-methods {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.cta-section .contact-method {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 2rem;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 12px;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.cta-section .contact-method i {
    font-size: 2rem;
    color: var(--white);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    transition: all 0.3s ease;
}

.cta-section .contact-method span {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.95);
}

.cta-section .contact-method:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    color: var(--white);
}

.cta-section .contact-method:hover i {
    transform: scale(1.15);
}

/* WhatsApp hover color */
.cta-section .contact-method[href*="wa.me"]:hover {
    background: rgba(37, 211, 102, 0.3);
    border-color: #25D366;
}

/* WeChat hover color */
.cta-section .contact-method[href*="weixin"]:hover {
    background: rgba(9, 184, 62, 0.3);
    border-color: #09B83E;
}

/* Email hover color */
.cta-section .contact-method[href*="mailto"]:hover {
    background: rgba(234, 67, 53, 0.3);
    border-color: #EA4335;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .indicator-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .indicator-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* ============================================
   PRODUCT PAGE STYLES
   ============================================ */

/* 单个产品页面 */
.single-product-template {
    background-color: var(--light-gray);
}

.product-header {
    padding: 2rem 0;
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
}

.product-breadcrumb {
    margin-bottom: 1.5rem;
}

.product-breadcrumb .breadcrumb-item a {
    color: var(--primary-color);
}

.product-breadcrumb .breadcrumb-item.active {
    color: var(--text-secondary);
}

.product-main {
    padding: 3rem 0;
}

.product-gallery {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.main-image {
    position: relative;
    margin-bottom: 1rem;
    overflow: hidden;
    border-radius: var(--border-radius);
}

.main-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.product-image-placeholder {
    width: 100%;
    height: 400px;
    background-color: var(--gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-gray);
}

.thumbnail-gallery {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.thumbnail-item {
    flex: 0 0 80px;
    height: 80px;
    border: 2px solid transparent;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.thumbnail-item.active {
    border-color: var(--primary-color);
}

.thumbnail-item:hover {
    opacity: 0.8;
}

.thumbnail-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 2rem;
}

.product-header-info {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-light);
}

.product-title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.product-model-code {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.product-model-code .label {
    font-weight: 600;
    margin-right: 0.5rem;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.product-rating .stars {
    color: var(--warning-color);
}

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

.product-pricing {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
}

.price-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.price-amount {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.price-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.product-short-description {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.section-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.quick-specs {
    margin-bottom: 1.5rem;
}

.specs-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.specs-list li {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-light);
}

.specs-list li:last-child {
    border-bottom: none;
}

.product-actions {
    margin-top: 2rem;
}

.social-share {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-light);
    text-align: center;
}

.share-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.share-link {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    background: var(--light-gray);
    color: var(--text-dark);
    border-radius: 50%;
    margin: 0 0.25rem;
    transition: all var(--transition-fast);
}

.share-link:hover {
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
}

.quick-contact-card {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-lightest) 0%, var(--white) 100%);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.contact-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.contact-header i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.contact-header h5 {
    margin: 0;
    color: var(--text-dark);
}

.contact-info p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* 产品标签页 */
.product-tabs {
    padding: 3rem 0;
    background-color: var(--white);
}

.product-tabs-nav {
    margin-bottom: 2rem;
}

.product-tabs-nav .nav-tabs {
    border-bottom: 2px solid var(--border-color);
}

.product-tabs-nav .nav-link {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    padding: 1rem 1.5rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.product-tabs-nav .nav-link:hover {
    color: var(--primary-color);
}

.product-tabs-nav .nav-link.active {
    color: var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
    background: transparent;
}

.tab-content {
    min-height: 300px;
}

/* 规格表 */
.specifications-table table {
    width: 100%;
}

.specifications-table th {
    font-weight: 600;
    background-color: var(--light-gray);
}

/* 特性网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
}

.feature-icon {
    flex: 0 0 40px;
    height: 40px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-content h5 {
    margin: 0 0 0.5rem 0;
    color: var(--text-dark);
}

/* 应用网格 */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.application-card {
    text-align: center;
    padding: 2rem 1rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.application-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.application-content h5 {
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

/* 下载列表 */
.documents-list {
    max-width: 800px;
}

.document-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.document-icon {
    flex: 0 0 50px;
    font-size: 2rem;
    color: var(--primary-color);
    text-align: center;
}

.document-info {
    flex: 1;
    padding: 0 1rem;
}

.document-info h5 {
    margin: 0 0 0.25rem 0;
    color: var(--text-dark);
}

.document-info p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 评价部分 */
.reviews-summary {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
}

.average-rating {
    text-align: center;
}

.rating-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-dark);
}

.rating-stars {
    color: var(--warning-color);
    font-size: 1.2rem;
    margin: 0.5rem 0;
}

.rating-count {
    color: var(--text-secondary);
}

.rating-bars {
    padding-top: 1rem;
}

.rating-bar-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.star-count {
    flex: 0 0 60px;
    color: var(--text-secondary);
}

.progress {
    flex: 1;
    height: 10px;
    background-color: var(--border-light);
    border-radius: 5px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--warning-color);
}

.percentage {
    flex: 0 0 40px;
    text-align: right;
    color: var(--text-secondary);
}

.reviews-list {
    margin-bottom: 2rem;
}

.review-item {
    padding: 1.5rem;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.reviewer-info {
    display: flex;
    gap: 1rem;
}

.reviewer-avatar {
    flex: 0 0 50px;
    height: 50px;
    background: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.reviewer-details h5 {
    margin: 0 0 0.25rem 0;
}

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

.review-rating {
    color: var(--warning-color);
}

.review-content p {
    margin: 0;
    line-height: 1.6;
}

.review-footer {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.submit-review {
    padding: 2rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
}

.submit-review h4 {
    margin-bottom: 1.5rem;
}

.rating-input {
    display: flex;
    gap: 0.5rem;
}

.rating-input i {
    font-size: 1.5rem;
    color: var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.rating-input i:hover,
.rating-input i.active {
    color: var(--warning-color);
}

/* 相关产品 */
.related-products {
    padding: 3rem 0;
    background-color: var(--light-gray);
}

/* 产品CTA */
.product-cta {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--white);
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* 产品存档页面 */
.product-archive-template .archive-header {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--white);
    text-align: center;
}

.archive-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.archive-description {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.archive-search {
    max-width: 600px;
    margin: 0 auto;
}

.archive-search .input-group {
    box-shadow: var(--shadow-lg);
}

.archive-content {
    padding: 3rem 0;
    background-color: var(--light-gray);
}

.product-sidebar {
    position: sticky;
    top: 2rem;
}

.sidebar-widget {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.widget-title {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-light);
    color: var(--text-dark);
}

.categories-list,
.subcategories-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.categories-list li,
.subcategories-list li {
    margin-bottom: 0.5rem;
}

.categories-list li a,
.subcategories-list li a {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    color: var(--text-dark);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.categories-list li a:hover,
.subcategories-list li a:hover {
    color: var(--primary-color);
}

.categories-list li.active > a,
.subcategories-list li.active > a {
    color: var(--primary-color);
    font-weight: 600;
}

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

.sub-categories {
    list-style: none;
    padding-left: 1rem;
    margin-top: 0.5rem;
}

.sub-categories li {
    margin-bottom: 0.25rem;
}

.price-slider {
    padding: 1rem 0;
}

.price-values {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
    font-weight: 600;
    color: var(--text-dark);
}

.featured-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.featured-item {
    display: flex;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--light-gray);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.featured-item:hover {
    background: var(--gray);
}

.featured-image {
    flex: 0 0 60px;
    height: 60px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.featured-info {
    flex: 1;
}

.featured-title {
    font-size: 0.9rem;
    margin: 0 0 0.25rem 0;
}

.featured-title a {
    color: var(--text-dark);
    text-decoration: none;
}

.featured-title a:hover {
    color: var(--primary-color);
}

.featured-price {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
}

.contact-card {
    text-align: center;
    padding: 1.5rem;
}

.contact-card .contact-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-card h4 {
    margin: 0 0 0.5rem 0;
    color: var(--text-dark);
}

.contact-card p {
    margin: 0 0 1rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.archive-controls {
    background: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.results-count {
    font-weight: 600;
    color: var(--text-dark);
}

.sort-options {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sort-options label {
    margin: 0;
    color: var(--text-secondary);
}

.sort-options .form-select {
    width: auto;
    min-width: 180px;
}

.no-products-found {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 3rem;
    box-shadow: var(--shadow-md);
}

.catalog-cta {
    background: linear-gradient(135deg, var(--primary-lightest) 0%, var(--white) 100%);
    border-radius: var(--border-radius);
    padding: 2rem;
    border-left: 4px solid var(--primary-color);
}

.catalog-cta h3 {
    margin: 0 0 0.5rem 0;
    color: var(--text-dark);
}

.catalog-cta p {
    margin: 0;
    color: var(--text-secondary);
}

/* 分类页面 */
.product-category-template .category-header {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.category-breadcrumb .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.8);
}

.category-breadcrumb .breadcrumb-item a:hover {
    color: var(--white);
}

.category-breadcrumb .breadcrumb-item.active {
    color: var(--white);
}

.category-header-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.category-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.category-description {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.category-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
}

.category-stats .stat {
    text-align: center;
}

.category-stats .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
}

.category-stats .stat-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
    margin-top: 0.5rem;
}

.category-content {
    padding: 3rem 0;
    background-color: var(--light-gray);
}

.category-sidebar {
    position: sticky;
    top: 2rem;
}

.features-list,
.applications-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.features-list li,
.applications-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
}

.features-list li i,
.applications-list li i {
    flex: 0 0 20px;
}

.expert-contact .contact-card {
    background: linear-gradient(135deg, var(--primary-lightest) 0%, var(--white) 100%);
    border-radius: var(--border-radius);
}

.category-products {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.category-pagination {
    padding-top: 2rem;
    border-top: 1px solid var(--border-light);
}

.category-details {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-top: 2rem;
    box-shadow: var(--shadow-md);
}

.category-section {
    margin-bottom: 3rem;
}

.category-section:last-child {
    margin-bottom: 0;
}

.category-section .section-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-light);
}

.success-stories .story-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    height: 100%;
    transition: all var(--transition-normal);
}

.success-stories .story-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.story-card .story-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.story-card h4 {
    margin: 0 0 1rem 0;
    color: var(--text-dark);
}

.story-card p {
    margin: 0 0 1rem 0;
    color: var(--text-secondary);
    line-height: 1.5;
}

.customization-options .option-card {
    background: var(--light-gray);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    height: 100%;
}

.option-card h5 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 1rem 0;
    color: var(--text-dark);
}

.option-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.option-card ul li {
    padding: 0.25rem 0;
    color: var(--text-secondary);
}

.category-cta {
    padding: 3rem 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--white);
}

.category-cta h2 {
    margin: 0 0 0.5rem 0;
    font-size: 2rem;
}

.category-cta p {
    margin: 0;
    opacity: 0.9;
    font-size: 1.1rem;
}

/* 响应式调整 */
@media (max-width: 991.98px) {
    .product-info {
        position: static;
        margin-top: 2rem;
    }
    
    .features-grid,
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .archive-controls {
        flex-direction: column;
        gap: 1rem;
    }
    
    .sort-options {
        justify-content: flex-start;
    }
    
    .category-stats {
        gap: 2rem;
    }
}

@media (max-width: 767.98px) {
    .product-title {
        font-size: 1.5rem;
    }
    
    .thumbnail-item {
        flex: 0 0 60px;
        height: 60px;
    }
    
    .document-item {
        flex-direction: column;
        text-align: center;
    }
    
    .document-info {
        padding: 1rem 0;
    }
    
    .reviews-summary .row {
        flex-direction: column;
        gap: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .category-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .category-stats .stat-number {
        font-size: 2rem;
    }
}

@media (max-width: 575.98px) {
    .product-tabs-nav .nav-link {
        padding: 0.75rem;
        font-size: 0.9rem;
    }
    
    .product-actions .btn {
        padding: 0.75rem;
    }
}

/* ============================================
   CASE STUDIES STYLES
   ============================================ */

/* 案例研究网格部分 */
.industry-filter-section {
    padding: 5rem 0;
    background-color: var(--light-gray);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.case-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.case-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.case-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-lightest) 0%, var(--gray) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.case-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.industry-icon {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.industry-label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 86, 179, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.case-card:hover .case-overlay {
    opacity: 1;
}

.overlay-content {
    text-align: center;
    color: var(--white);
    padding: 2rem;
}

.overlay-content h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.overlay-content p {
    margin: 0;
    opacity: 0.9;
}

.case-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.case-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.case-country,
.case-year,
.case-impact {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.case-impact {
    font-weight: 600;
    color: var(--primary-color);
}

.case-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.case-title a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.case-title a:hover {
    color: var(--primary-color);
}

.case-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.case-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.case-stats .stat {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
}

.case-stats .stat i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.stat-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.view-case-btn {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
    width: 100%;
    text-align: left;
}

.view-case-btn:hover {
    background: var(--primary-dark);
    color: var(--white);
    text-decoration: none;
}

.view-case-btn i {
    font-size: 0.9rem;
    transition: transform var(--transition-fast);
}

.view-case-btn:hover i {
    transform: translateX(3px);
}

.btn-load-more {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
}

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

/* 筛选按钮 */
.industry-filter .filter-buttons {
    flex-wrap: wrap;
}

/* 单个案例研究页面 */
.single-case-study-template .case-header {
    padding: 4rem 0 3rem;
    background: linear-gradient(135deg, var(--primary-lightest) 0%, var(--white) 100%);
}

.case-industry-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.case-industry-tag .industry-icon {
    font-size: 1.2rem;
}

.case-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.case-meta-details {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.meta-item i {
    color: var(--primary-color);
}

.meta-label {
    font-weight: 600;
}

.case-stats-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.stat-item .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.case-hero-image {
    padding: 0 0 3rem;
}

.case-image-wrapper {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.case-main-content {
    padding: 3rem 0;
}

.case-sidebar {
    position: sticky;
    top: 2rem;
}

.sidebar-widget {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.widget-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-light);
}

.case-excerpt {
    line-height: 1.6;
    color: var(--text-secondary);
}

.detailed-stats {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.detailed-stat {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
}

.detailed-stat .stat-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.social-share-buttons {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--white);
    font-size: 1.1rem;
    transition: all var(--transition-fast);
}

.share-btn.facebook { background: #3b5998; }
.share-btn.twitter { background: #1da1f2; }
.share-btn.linkedin { background: #0077b5; }
.share-btn.email { background: var(--primary-color); }

.share-btn:hover {
    transform: translateY(-3px);
    color: var(--white);
    text-decoration: none;
}

.cta-card {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-lightest) 0%, var(--white) 100%);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.cta-card h4 {
    margin: 0 0 0.5rem 0;
    color: var(--text-dark);
}

.cta-card p {
    margin: 0 0 1rem 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.case-article {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.case-section {
    margin-bottom: 3rem;
}

.case-section:last-child {
    margin-bottom: 0;
}

.case-section .section-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-content {
    line-height: 1.8;
    color: var(--text-secondary);
}

.section-content p {
    margin-bottom: 1rem;
}

.client-quote {
    background: var(--light-gray);
    border-left: 4px solid var(--primary-color);
    padding: 2rem;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    margin: 2rem 0;
}

.quote-content {
    position: relative;
    font-size: 1.1rem;
    font-style: italic;
    line-height: 1.6;
    color: var(--text-dark);
}

.quote-content i:first-child {
    position: absolute;
    top: -0.5rem;
    left: -1rem;
    font-size: 2rem;
    color: var(--primary-color);
    opacity: 0.3;
}

.quote-content i:last-child {
    position: absolute;
    bottom: -0.5rem;
    right: -1rem;
    font-size: 2rem;
    color: var(--primary-color);
    opacity: 0.3;
}

.quote-author {
    margin-top: 1rem;
    text-align: right;
    font-style: normal;
}

.quote-author strong {
    display: block;
    color: var(--text-dark);
}

.quote-author span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
}

.stat-card .stat-icon {
    font-size: 2rem;
    color: var(--primary-color);
}

.stat-card .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1;
}

.stat-card .stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.related-cases {
    border-top: 2px solid var(--border-light);
}

.related-cases .section-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.related-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.case-cta {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--white);
}

.case-cta h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.case-cta p {
    margin: 0;
    opacity: 0.9;
    font-size: 1.1rem;
}

/* 存档页面 */
.case-studies-archive-template .archive-header {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-align: center;
}

.archive-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.archive-description {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.archive-search .input-group {
    max-width: 500px;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
}

.archive-content {
    padding: 3rem 0;
    background-color: var(--light-gray);
}

.archive-sidebar .filter-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.filter-list li {
    margin-bottom: 0.5rem;
}

.filter-list li a {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    color: var(--text-dark);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.filter-list li a:hover {
    color: var(--primary-color);
}

.filter-list li.active > a {
    color: var(--primary-color);
    font-weight: 600;
}

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

.recent-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.recent-item {
    display: flex;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--light-gray);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.recent-item:hover {
    background: var(--gray);
}

.recent-image {
    flex: 0 0 60px;
    height: 60px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.recent-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.recent-info {
    flex: 1;
}

.recent-title {
    font-size: 0.9rem;
    margin: 0 0 0.25rem 0;
}

.recent-title a {
    color: var(--text-dark);
    text-decoration: none;
}

.recent-title a:hover {
    color: var(--primary-color);
}

.recent-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.archive-controls {
    background: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.results-count {
    font-weight: 600;
    color: var(--text-dark);
}

.sort-options {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sort-options label {
    margin: 0;
    color: var(--text-secondary);
}

.sort-options .form-select {
    width: auto;
    min-width: 180px;
}

.no-cases-found {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 3rem;
    box-shadow: var(--shadow-md);
}

.cases-cta {
    background: linear-gradient(135deg, var(--primary-lightest) 0%, var(--white) 100%);
    border-radius: var(--border-radius);
    padding: 2rem;
    border-left: 4px solid var(--primary-color);
}

.cases-cta h3 {
    margin: 0 0 0.5rem 0;
    color: var(--text-dark);
}

.cases-cta p {
    margin: 0;
    color: var(--text-secondary);
}

/* 响应式调整 */
@media (max-width: 991.98px) {
    .cases-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 1.5rem;
    }
    
    .case-stats-overview {
        margin-top: 2rem;
    }
    
    .case-sidebar {
        position: static;
        margin-bottom: 2rem;
    }
}

@media (max-width: 767.98px) {
    .cases-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .case-title {
        font-size: 2rem;
    }
    
    .case-meta-details {
        flex-direction: column;
        gap: 1rem;
    }
    
    .archive-controls {
        flex-direction: column;
        gap: 1rem;
    }
    
    .sort-options {
        justify-content: flex-start;
    }
}

@media (max-width: 575.98px) {
    .archive-title {
        font-size: 2rem;
    }
    
    .case-stats {
        grid-template-columns: 1fr;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   CASE STUDIES PAGE STYLES
   ============================================ */

.case-studies-template .page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 5rem 0;
    margin: 0 0 4rem 0;
    text-align: center;
}

.case-studies-template .page-title {
    color: var(--white);
}

.case-studies-template .page-title::after {
    background: var(--white);
    opacity: 0.5;
}

.case-studies-template .page-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 800px;
    margin: 1rem auto 0;
    line-height: 1.6;
}

/* 行业筛选器 */
.industry-filter {
    margin-bottom: 4rem;
}

.industry-filter h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.filter-buttons .btn {
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-width: 2px;
    transition: all var(--transition-normal);
}

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

.filter-buttons .btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

.filter-buttons .btn:hover:not(.active) {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* 案例卡片 */
.case-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    height: 100%;
    position: relative;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.case-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.case-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-sm);
}

.case-badge.bg-danger { background: rgba(220, 53, 69, 0.9); }
.case-badge.bg-warning { background: rgba(255, 193, 7, 0.9); color: var(--black); }
.case-badge.bg-success { background: rgba(40, 167, 69, 0.9); }
.case-badge.bg-info { background: rgba(23, 162, 184, 0.9); }
.case-badge.bg-dark { background: rgba(52, 58, 64, 0.9); }

.case-content {
    padding: 1.5rem;
}

.case-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.case-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.case-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-light);
}

.case-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.case-meta i {
    color: var(--primary-color);
}

.case-card .btn-outline-primary {
    border-width: 2px;
    font-weight: 600;
    padding: 0.5rem 1.5rem;
    transition: all var(--transition-normal);
}

.case-card .btn-outline-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* 案例弹窗 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    overflow-y: auto;
}

.modal.active {
    display: block;
}

.modal-dialog {
    margin: 2rem auto;
    max-width: 900px;
}

.modal-content {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    padding: 1.5rem 2rem;
    background: var(--primary-color);
    color: var(--white);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
}

.btn-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    opacity: 1;
    transition: all var(--transition-fast);
}

.btn-close:hover {
    color: var(--white);
    transform: scale(1.1);
}

.modal-body {
    padding: 2rem;
}

.modal-body h6 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 1.5rem 0 0.5rem;
}

.modal-body h6:first-child {
    margin-top: 0;
}

.modal-body p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.modal-body ul {
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.modal-body ul li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.modal-footer {
    padding: 1.5rem 2rem;
    background: var(--light-gray);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* 案例统计 */
.case-stats {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 4rem 0;
    margin: 4rem 0;
}

.stats-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.stats-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 3rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-circle {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
    border: 8px solid var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    position: relative;
}

.stat-circle::before {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.05); opacity: 0.5; }
    100% { transform: scale(1); opacity: 0.3; }
}

.stat-circle-label {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

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

/* 案例分类 */
.case-categories {
    margin: 4rem 0;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.category-item {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    height: 300px;
    transition: all var(--transition-normal);
}

.category-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.category-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.category-item:hover img {
    transform: scale(1.1);
}

.category-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    color: var(--white);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.category-name {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.category-count {
    font-size: 1rem;
    opacity: 0.8;
}

/* 客户评价 */
.case-testimonials {
    background: var(--white);
    padding: 4rem 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-content {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--text-secondary);
    line-height: 1.8;
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    padding: 0 2rem;
}

.testimonial-content::before,
.testimonial-content::after {
    content: '"';
    font-size: 4rem;
    color: var(--primary-light);
    opacity: 0.3;
    position: absolute;
    font-family: Georgia, serif;
}

.testimonial-content::before {
    top: -1rem;
    left: 0;
}

.testimonial-content::after {
    bottom: -2rem;
    right: 0;
}

.testimonial-author {
    text-align: center;
}

.testimonial-author h5 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.testimonial-author p {
    color: var(--text-secondary);
    margin: 0;
}

/* 案例页面CTA */
.case-cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--white);
    text-align: center;
}

.case-cta h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.case-cta p {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

.case-cta .btn {
    padding: 1rem 3rem;
    font-size: 1.125rem;
    font-weight: 600;
    border-width: 2px;
    transition: all var(--transition-normal);
}

.case-cta .btn-light {
    background: var(--white);
    color: var(--primary-color);
}

.case-cta .btn-light:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* 案例页面响应式 */
@media (max-width: 991.98px) {
    .case-studies-template .page-header {
        padding: 4rem 0;
    }
    
    .industry-filter h3 {
        font-size: 1.25rem;
    }
    
    .filter-buttons {
        justify-content: center;
    }
    
    .modal-dialog {
        margin: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767.98px) {
    .case-studies-template .page-header {
        padding: 3rem 0;
    }
    
    .case-studies-template .page-title {
        font-size: 2rem;
    }
    
    .case-studies-template .page-subtitle {
        font-size: 1.125rem;
    }
    
    .case-title {
        font-size: 1.25rem;
    }
    
    .modal-body {
        padding: 1.5rem;
    }
    
    .modal-header {
        padding: 1.25rem 1.5rem;
    }
    
    .modal-title {
        font-size: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .case-cta h2 {
        font-size: 2rem;
    }
    
    .case-cta p {
        font-size: 1.125rem;
    }
}

@media (max-width: 575.98px) {
    .case-studies-template .page-title {
        font-size: 1.75rem;
    }
    
    .case-studies-template .page-subtitle {
        font-size: 1rem;
    }
    
    .filter-buttons {
        flex-direction: column;
    }
    
    .filter-buttons .btn {
        width: 100%;
        text-align: center;
    }
    
    .case-meta {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .modal-footer {
        flex-direction: column;
    }
    
    .modal-footer .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .case-cta h2 {
        font-size: 1.75rem;
    }
    
    .case-cta .btn {
        width: 100%;
        padding: 1rem;
    }
}

/* 动画效果 */
.case-card,
.category-item,
.stat-circle {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

.case-card:nth-child(1) { animation-delay: 0.1s; }
.case-card:nth-child(2) { animation-delay: 0.2s; }
.case-card:nth-child(3) { animation-delay: 0.3s; }
.case-card:nth-child(4) { animation-delay: 0.4s; }
.case-card:nth-child(5) { animation-delay: 0.5s; }
.case-card:nth-child(6) { animation-delay: 0.6s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 悬停效果增强 */
.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-color) 100%);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
    z-index: 1;
}

.case-card:hover::before {
    transform: scaleX(1);
}

/* ============================================
   MODERN PRODUCT CARD STYLES - B2B FOCUSED
   ============================================ */

/* 产品网格容器 */
.products-grid-modern {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin: 30px 0;
}

@media (max-width: 1200px) {
    .products-grid-modern {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}

@media (max-width: 992px) {
    .products-grid-modern {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .products-grid-modern {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
}

@media (max-width: 576px) {
    .products-grid-modern {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* ============================================
   CSS Grid等高布局 - 规格区域限制行数
   ============================================ */

/* 网格布局 */
.products-grid-modern {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin: 30px 0;
    align-items: stretch; /* 确保所有卡片等高 */
}

@media (max-width: 1200px) {
    .products-grid-modern {
        gap: 20px;
    }
}

@media (max-width: 992px) {
    .products-grid-modern {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .products-grid-modern {
        grid-template-columns: 1fr;
    }
}

/* 卡片容器 */
.product-card-modern {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    border: 1px solid #f0f0f0;
    height: 100%;
    display: flex;
}

.product-card-link {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

.product-card-link:hover {
    text-decoration: none;
}

.product-card-modern:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 35px rgba(0, 86, 179, 0.08);
    border-color: rgba(0, 86, 179, 0.15);
}

.product-card-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* ===== 图片区域 ===== */
/* 确保父容器有明确的高度 */
.product-card-image-wrapper {
    position: relative;
    overflow: hidden;
    background: #f8f9fa;
    /* 关键：使用固定高度代替 aspect-ratio，这在 Chrome 中最稳定 */
    height: 200px; 
    width: 100%;
    flex-shrink: 0;
}

/* 链接容器也要充满父容器 */
.product-image-link {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    background: #f8f9fa;
}

/* 图片样式 - 使用更明确的规则 */
.product-card-image {
    display: block !important; /* 强制显示 */
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    /* 确保图片不透明且可见 */
    opacity: 1 !important;
    visibility: visible !important;
}

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

/* 图片占位符 */
.product-image-placeholder-modern {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    color: #adb5bd;
}

.product-image-placeholder-modern i {
    font-size: 3rem;
    margin-bottom: 10px;
    color: #0056b3;
    opacity: 0.5;
}

.product-image-placeholder-modern .placeholder-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: #6c757d;
}

/* ===== 标签样式 ===== */
.featured-tag,
.new-tag {
    position: absolute;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    pointer-events: none; /* 确保标签不会干扰点击 */
}

.featured-tag {
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    background: #ffc107;
    color: #212529;
    border-radius: 50%;
    font-size: 1rem;
}

.new-tag {
    top: 12px;
    left: 12px;
    background: #0056b3;
    color: white;
    padding: 4px 12px;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* ===== 内容区域 - 使用flex:1自动填充 ===== */
.product-card-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden; /* 防止内容溢出 */
}

/* 产品型号 - 固定2行 */
.product-model-modern {
    font-size: 1.2rem;
    font-weight: 700;
    color: #0056b3;
    margin-bottom: 6px;
    line-height: 1.3;
    max-height: 2.6rem; /* 2行高度 */
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    word-break: break-word;
}

/* 产品标题 - 固定2行 */
.product-title-modern {
    font-size: 1rem;
    font-weight: 500;
    margin: 0 0 12px 0;
    line-height: 1.4;
    color: #2c3e50;
    max-height: 2.8rem; /* 2行高度 */
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    word-break: break-word;
}

/* 简短描述 - 固定2行 */
.product-description-modern {
    font-size: 0.9rem;
    color: #6c757d;
    margin-bottom: 16px;
    line-height: 1.5;
    max-height: 3rem; /* 2行高度 */
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    word-break: break-word;
}

/* ===== 规格区域 - 限制最多2行 ===== */
.product-specs-modern {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
    padding: 10px 0;
    border-top: 1px solid #f0f0f0;
    border-bottom: 1px solid #f0f0f0;
    min-height: 50px; /* 保证即使没有规格也有一定高度 */
    max-height: 70px; /* 限制最大高度为2行 */
    overflow: hidden;
    align-content: flex-start;
}

.spec-item-modern {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    color: #495057;
    background: #f8f9fa;
    padding: 4px 10px;
    border-radius: 30px;
    white-space: nowrap;
    max-width: 100%;
}

.spec-item-modern i {
    color: #0056b3;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.spec-item-modern span {
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100px;
}

/* 悬停指示器 - 固定在底部 */
.card-hover-indicator {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 5px;
    margin-top: auto; /* 推到底部 */
    color: #0056b3;
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0;
    transform: translateX(-5px);
    transition: all 0.3s ease;
    height: 20px; /* 固定高度 */
    flex-shrink: 0;
}

.product-card-modern:hover .card-hover-indicator {
    opacity: 1;
    transform: translateX(0);
}

.card-hover-indicator i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.product-card-modern:hover .card-hover-indicator i {
    transform: translateX(3px);
}

/* 针对 Chrome 的特定修复 (WebKit 内核) */
@media screen and (-webkit-min-device-pixel-ratio:0) {
    .product-card-image-wrapper {
        height: 200px; /* 重复以确保覆盖 */
        line-height: 0; /* 防止行高影响 */
        font-size: 0;   /* 防止字体大小影响 */
    }
    
    .product-image-link {
        line-height: 0;
        font-size: 0;
    }
}

/* ===== 响应式调整 ===== */
@media (max-width: 992px) {
    .product-card-content {
        padding: 16px;
    }
    
    .product-model-modern {
        font-size: 1.1rem;
        max-height: 2.4rem;
    }
    
    .product-title-modern {
        font-size: 0.95rem;
        max-height: 2.6rem;
    }
    
    .product-specs-modern {
        gap: 6px;
        padding: 8px 0;
        min-height: 45px;
        max-height: 65px;
    }
    
    .spec-item-modern {
        padding: 3px 8px;
        font-size: 0.7rem;
    }
}

@media (max-width: 768px) {
    .product-card-content {
        padding: 14px;
    }
}

@media (max-width: 576px) {
    .product-model-modern {
        font-size: 1rem;
    }
    
    .product-title-modern {
        font-size: 0.9rem;
    }
    
    .product-description-modern {
        font-size: 0.85rem;
        margin-bottom: 12px;
    }
}