/* ============================================
   ELITE INDUSTRIAL DESIGN SYSTEM
   Modern, Professional & High-End Styling
   ============================================ */

/* CSS Variables - Elite Industrial Palette */
:root {
    /* Primary Colors - Industrial Blue */
    --primary-900: #0A2540;
    --primary-800: #0D3A5C;
    --primary-700: #105089;
    --primary-600: #1367B7;
    --primary-500: #167DE4;
    --primary-400: #3D97EA;
    --primary-300: #64B0EF;
    --primary-200: #8BCAF5;
    --primary-100: #B2E3FA;
    
    /* Neutral Colors */
    --neutral-900: #121212;
    --neutral-800: #2D2D2D;
    --neutral-700: #494949;
    --neutral-600: #666666;
    --neutral-500: #838383;
    --neutral-400: #A0A0A0;
    --neutral-300: #BDBDBD;
    --neutral-200: #DADADA;
    --neutral-100: #F7F7F7;
    --neutral-50: #FAFAFA;
    --neutral-white: #FFFFFF;
    
    /* Accent Colors */
    --accent-teal: #00B4B4;
    --accent-orange: #FF6B35;
    --accent-green: #00A859;
    --accent-red: #FF3B30;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Poppins', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.16);
    --shadow-blue: 0 8px 24px rgba(22, 125, 228, 0.15);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-round: 50%;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 80px;
}

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

.elite-body {
    font-family: var(--font-primary);
    color: var(--neutral-700);
    background-color: var(--neutral-50);
    line-height: 1.6;
    font-size: 14px; /* 基础字体大小 */
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography System - 完全按照您的要求设置 */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--primary-900);
    margin-bottom: var(--space-md);
}

/* 字体大小和行高设置 */
h1 {
    font-size: 42px;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
}

h2 {
    font-size: 36px;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h3 {
    font-size: 28px;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h4 {
    font-size: 24px;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
    color: var(--primary-700);
}

h5 {
    font-size: 20px;
    line-height: 1.4;
    margin-bottom: var(--space-sm);
    color: var(--neutral-800);
}

h6 {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: var(--space-sm);
    color: var(--neutral-700);
}

/* 段落样式 */
p {
    font-size: 14px;
    line-height: 2; /* 14px对应行高2 */
    margin-bottom: var(--space-md);
    color: var(--neutral-600);
}

/* 链接样式 */
a {
    color: var(--primary-600);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-weight: 500;
}

a:hover {
    color: var(--primary-500);
}

/* Container Utilities */
.container-xl {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-lg {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-md {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Modern Banner */
.modern-banner {
    position: relative;
    background: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-700) 100%);
    color: var(--neutral-white);
    padding: var(--space-4xl) 0 var(--space-3xl);
    overflow: hidden;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="none"/><path d="M0,50 Q25,25 50,50 T100,50" stroke="rgba(255,255,255,0.05)" stroke-width="2" fill="none"/></svg>');
    opacity: 0.3;
}

.modern-breadcrumb {
    font-size: 14px;
    line-height: 2;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-xl);
    position: relative;
    z-index: 1;
}

.modern-breadcrumb a {
    color: rgba(255, 255, 255, 0.9);
}

.modern-breadcrumb a:hover {
    color: var(--neutral-white);
    text-decoration: underline;
}

.banner-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.banner-headline {
    font-size: 48px;
    line-height: 1.2;
    color: var(--neutral-white);
    margin-bottom: var(--space-md);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.banner-tagline {
    font-size: 18px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin: 0 auto;
}

.banner-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 120px;
    overflow: hidden;
}

.banner-wave svg {
    width: 100%;
    height: 100%;
}

/* Elite Container */
.elite-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-lg) var(--space-4xl);
    position: relative;
}

/* Elite Hero Section */
.elite-hero {
    margin-bottom: var(--space-3xl);
}

.hero-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.elite-main-title {
    font-size: 42px;
    line-height: 1.2;
    color: var(--primary-900);
    margin-bottom: var(--space-md);
    position: relative;
}

.title-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

.divider-line {
    width: 80px;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--primary-500), transparent);
}

.title-divider i {
    color: var(--primary-500);
    font-size: 20px;
}

.elite-subtitle {
    font-size: 16px;
    line-height: 1.8;
    color: var(--neutral-600);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
}

.elite-content-wrapper {
    background: linear-gradient(135deg, var(--neutral-white) 0%, #F8FBFF 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--neutral-200);
}

.intro-highlight {
    font-size: 16px;
    line-height: 1.8;
    color: var(--neutral-700);
    border-left: 4px solid var(--primary-500);
    padding-left: var(--space-lg);
}

/* Elite Grid System */
.elite-grid-system {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

@media (max-width: 1200px) {
    .elite-grid-system {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

/* Detail Sections */
.detail-section {
    background: var(--neutral-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--neutral-200);
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(20px);
}

.detail-section.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.detail-section:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-200);
}

.section-inner {
    width: 100%;
}

/* Detail Section Typography */
.detail-section h4 {
    font-size: 20px;
    line-height: 1.4;
    margin-bottom: var(--space-md);
    color: var(--primary-700);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--primary-200);
    position: relative;
}

.detail-section h4::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--primary-500);
}

.detail-section p {
    font-size: 14px;
    line-height: 2;
    margin-bottom: var(--space-md);
    color: var(--neutral-600);
}

.detail-section ul {
    list-style: none;
    margin-bottom: var(--space-lg);
}

.detail-section li {
    font-size: 14px;
    line-height: 2;
    margin-bottom: var(--space-sm);
    padding-left: var(--space-lg);
    position: relative;
    color: var(--neutral-600);
}

.detail-section li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--primary-500);
    border-radius: 50%;
}

/* 表格样式 */
.detail-section table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: var(--space-lg) 0;
    font-size: 14px;
    line-height: 2;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.detail-section table th {
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-600) 100%);
    color: var(--neutral-white);
    text-align: left;
    font-weight: 600;
    padding: var(--space-md);
    font-size: 14px;
    line-height: 1.8;
    border-bottom: 1px solid var(--primary-500);
}

.detail-section table td {
    padding: var(--space-md);
    border-bottom: 1px solid var(--neutral-200);
    color: var(--neutral-700);
    font-size: 14px;
    line-height: 2;
}

.detail-section table tr:last-child td {
    border-bottom: none;
}

.detail-section table tr:nth-child(even) {
    background-color: var(--neutral-50);
}

/* Sidebar Cards */
.elite-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.sidebar-card {
    background: var(--neutral-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--neutral-200);
    transition: all var(--transition-normal);
}

.sidebar-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-800) 0%, var(--primary-600) 100%);
    color: var(--neutral-white);
    padding: var(--space-lg);
}

.card-header h3 {
    font-size: 20px;
    line-height: 1.4;
    margin: 0;
    color: var(--neutral-white);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.card-header i {
    font-size: 18px;
}

.card-content {
    padding: var(--space-lg);
}

/* Sidebar Card Typography */
.sidebar-card h4 {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: var(--space-md);
    color: var(--primary-700);
}

.sidebar-card p {
    font-size: 14px;
    line-height: 2;
    margin-bottom: var(--space-md);
    color: var(--neutral-600);
}

.sidebar-card ul {
    list-style: none;
    margin-bottom: var(--space-md);
}

.sidebar-card li {
    font-size: 14px;
    line-height: 2;
    margin-bottom: var(--space-sm);
    padding-left: var(--space-lg);
    position: relative;
    color: var(--neutral-600);
}

.sidebar-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-500);
    font-weight: bold;
}

/* FAQ Card Specific */
.faq-card .card-content ul {
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-card .card-content li {
    padding: 0;
    margin: 0;
    border-bottom: 1px solid var(--neutral-200);
    transition: background-color var(--transition-fast);
}

.faq-card .card-content li:first-child {
    font-weight: 600;
    background-color: var(--neutral-50);
    padding: var(--space-md);
    cursor: pointer;
    position: relative;
    font-size: 16px;
    line-height: 1.6;
    color: var(--primary-800);
}

.faq-card .card-content li:first-child::after {
    content: '+';
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    color: var(--primary-600);
    transition: transform var(--transition-normal);
}

.faq-card .card-content li:first-child.expanded::after {
    content: '-';
}

.faq-card .card-content li:last-child {
    background-color: var(--neutral-white);
    max-height: 0;
    padding: 0 var(--space-md);
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    font-size: 14px;
    line-height: 2;
    color: var(--neutral-600);
}

.faq-card .card-content li:last-child.active {
    max-height: 1000px;
    padding: var(--space-md);
    border-top: 1px solid var(--neutral-200);
}

/* Recommended Products */
.recommended-section {
    margin: var(--space-3xl) 0;
    padding: var(--space-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-title {
    font-size: 36px;
    line-height: 1.2;
    color: var(--primary-900);
    margin-bottom: var(--space-sm);
}

.section-subtitle {
    font-size: 16px;
    line-height: 1.8;
    color: var(--neutral-600);
}

.recommended-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.product-card {
    background: var(--neutral-white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 1px solid var(--neutral-200);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-300);
}

.product-image {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-100) 0%, var(--primary-200) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-600);
    font-size: 24px;
}

.product-info h4 {
    font-size: 16px;
    line-height: 1.8;
    margin: 0 0 var(--space-xs) 0;
    color: var(--primary-800);
}

.product-link {
    font-size: 14px;
    line-height: 2;
    color: var(--primary-600);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 500;
}

.product-link i {
    font-size: 12px;
    transition: transform var(--transition-fast);
}

.product-card:hover .product-link i {
    transform: translateX(4px);
}

/* ============================================
   3-ITEM COMPACT CAROUSEL - 修复版
   修复：错位、重复显示、只显示一款产品
   ============================================ */

.compact-carousel-section {
    margin: 60px 0 80px;
    padding: 40px 0;
    background: linear-gradient(180deg, #fafcff 0%, #ffffff 100%);
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.compact-carousel-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 3px;
    background: linear-gradient(to right, #00509e, #4d7cae);
    border-radius: 3px;
}

.carousel-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
}

.carousel-header {
    text-align: center;
    margin-bottom: 40px;
}

.carousel-badge {
    display: inline-block;
    background: #00509e;
    color: white;
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 14px;
    line-height: 2;
    font-weight: 600;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.carousel-title {
    font-size: 32px;
    line-height: 1.2;
    color: #003366;
    margin: 0;
}

/* 轮播容器 */
.carousel-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.carousel-track-container {
    overflow: hidden;
    width: 100%;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    width: 100%;
}

.carousel-slide {
    flex: 0 0 33.3333%;
    max-width: 33.3333%;
    padding: 0 12.5px;
    box-sizing: border-box;
}

/* 产品卡片 */
.product-card-compact {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid #f0f0f0;
    transition: all 0.3s;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card-compact:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: #00509e;
}

.product-img-small {
    height: 160px;
    overflow: hidden;
    background: #f8fafc;
    position: relative;
}

.product-img-small img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.product-info-compact {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-name-small {
    font-size: 16px;
    line-height: 1.6;
    color: #003366;
    margin-bottom: 10px;
    font-weight: 600;
}

.product-desc-small {
    font-size: 14px;
    line-height: 2;
    color: #666666;
    margin-bottom: 15px;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.view-btn-small {
    display: inline-block;
    color: #00509e;
    font-size: 14px;
    line-height: 2;
    font-weight: 600;
    text-decoration: none;
    padding: 8px 16px;
    border: 2px solid #e6f2ff;
    border-radius: 6px;
    background: #f0f7ff;
    transition: all 0.3s;
    text-align: center;
}

.view-btn-small:hover {
    background: #00509e;
    color: white;
    border-color: #00509e;
}

/* 导航按钮 */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid #e0e0e0;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.carousel-btn:hover {
    background: #00509e;
    border-color: #00509e;
}

.carousel-btn:hover svg {
    stroke: white;
}

.carousel-btn svg {
    stroke: #00509e;
    transition: stroke 0.3s;
}

.prev-btn {
    left: 0;
}

.next-btn {
    right: 0;
}

/* 指示器 */
.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #e0e0e0;
    cursor: pointer;
    transition: all 0.3s;
}

.dot.active {
    background: #00509e;
    transform: scale(1.2);
}

.dot:hover {
    background: #00509e;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .carousel-slide {
        flex: 0 0 50%;
        max-width: 50%;
    }
    
    .carousel-title {
        font-size: 28px;
        line-height: 1.2;
    }
}

@media (max-width: 768px) {
    .compact-carousel-section {
        margin: 40px 0 60px;
        padding: 30px 0;
    }
    
    .carousel-title {
        font-size: 24px;
        line-height: 1.2;
    }
    
    .carousel-slide {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .carousel-btn {
        display: none;
    }
    
    .carousel-badge {
        font-size: 12px;
        line-height: 1.8;
        padding: 6px 20px;
    }
}

@media (max-width: 480px) {
    .carousel-container {
        padding: 0 15px;
    }
    
    .carousel-title {
        font-size: 20px;
        line-height: 1.2;
    }
    
    .product-img-small {
        height: 140px;
    }
    
    .product-info-compact {
        padding: 15px;
    }
    
    .product-name-small {
        font-size: 15px;
        line-height: 1.6;
    }
    
    .product-desc-small {
        font-size: 13px;
        line-height: 2;
    }
}

/* Company Profile */
.company-profile {
    background: linear-gradient(135deg, var(--neutral-white) 0%, #F8FBFF 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl);
    margin: var(--space-3xl) 0;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--neutral-200);
}

.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

@media (max-width: 992px) {
    .profile-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

.profile-image {
    position: relative;
}

.image-frame {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.image-frame img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-normal);
}

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

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    padding: var(--space-lg);
}

.overlay-text {
    color: var(--neutral-white);
    font-size: 14px;
    line-height: 2;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.content-header {
    margin-bottom: var(--space-lg);
}

.badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-teal) 0%, #008080 100%);
    color: var(--neutral-white);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-round);
    font-size: 12px;
    line-height: 1.8;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: var(--space-md);
}

.content-header h2 {
    font-size: 36px;
    line-height: 1.2;
    color: var(--primary-900);
    margin: 0;
}

.company-description,
.company-expertise {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: var(--space-lg);
    color: var(--neutral-700);
}

.company-expertise a {
    color: var(--primary-600);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: var(--primary-300);
    text-underline-offset: 3px;
}

.company-expertise a:hover {
    color: var(--primary-500);
    text-decoration-color: var(--primary-400);
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--neutral-200);
}

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

.stat-number {
    display: block;
    font-size: 32px;
    line-height: 1.2;
    font-weight: 700;
    color: var(--primary-600);
    margin-bottom: var(--space-xs);
}

.stat-label {
    display: block;
    font-size: 14px;
    line-height: 2;
    color: var(--neutral-600);
    font-weight: 500;
}

/* Contact Section */
.contact-section {
    background: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-700) 100%);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin: var(--space-3xl) 0;
    color: var(--neutral-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    padding: var(--space-3xl);
}

@media (max-width: 992px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

.contact-info {
    padding-right: var(--space-lg);
}

.info-header h2 {
    font-size: 36px;
    line-height: 1.2;
    color: var(--neutral-white);
    margin-bottom: var(--space-sm);
}

.info-subtitle {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-xl);
}

.info-content p {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-xl);
}

.contact-points {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.point-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
}

.point-item i {
    font-size: 24px;
    color: var(--primary-300);
    margin-top: var(--space-xs);
}

.point-item h4 {
    font-size: 18px;
    line-height: 1.6;
    color: var(--neutral-white);
    margin: 0 0 var(--space-xs) 0;
}

.point-item p {
    font-size: 14px;
    line-height: 2;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.contact-form {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-xl);
}

.form-header {
    margin-bottom: var(--space-lg);
}

.form-header h3 {
    font-size: 24px;
    line-height: 1.2;
    color: var(--primary-900);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.form-header i {
    color: var(--primary-600);
}

/* More Info Section */
.more-info-section {
    background: var(--neutral-white);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    margin-top: var(--space-2xl);
    border: 1px solid var(--neutral-200);
    box-shadow: var(--shadow-sm);
}

.more-info-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.more-info-header h3 {
    font-size: 28px;
    line-height: 1.2;
    color: var(--primary-900);
    margin-bottom: var(--space-sm);
}

.more-info-header p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--neutral-600);
}

.more-info-content {
    font-size: 14px;
    line-height: 2;
    color: var(--neutral-700);
}

.more-info-content h4 {
    font-size: 20px;
    line-height: 1.4;
    margin: var(--space-lg) 0 var(--space-md);
    color: var(--primary-700);
}

.more-info-content p {
    font-size: 14px;
    line-height: 2;
    margin-bottom: var(--space-md);
}

.more-info-content ul {
    list-style: none;
    margin-bottom: var(--space-lg);
}

.more-info-content li {
    font-size: 14px;
    line-height: 2;
    margin-bottom: var(--space-sm);
    padding-left: var(--space-lg);
    position: relative;
}

.more-info-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-500);
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 768px) {
    /* 移动端字体大小和行高设置 */
    h1 {
        font-size: 32px;
        line-height: 1.2;
    }
    
    h2 {
        font-size: 28px;
        line-height: 1.2;
    }
    
    h3 {
        font-size: 24px;
        line-height: 1.2;
    }
    
    h4 {
        font-size: 20px;
        line-height: 1.4;
    }
    
    .banner-headline {
        font-size: 32px;
        line-height: 1.2;
    }
    
    .elite-main-title {
        font-size: 32px;
        line-height: 1.2;
    }
    
    .section-title {
        font-size: 28px;
        line-height: 1.2;
    }
    
    /* 保持段落和列表的字体大小和行高 */
    p {
        font-size: 14px;
        line-height: 2;
    }
    
    .detail-section p,
    .sidebar-card p,
    .more-info-content p {
        font-size: 14px;
        line-height: 2;
    }
    
    .detail-section li,
    .sidebar-card li,
    .more-info-content li {
        font-size: 14px;
        line-height: 2;
    }
    
    /* 布局调整 */
    .elite-container {
        padding: var(--space-xl) var(--space-md) var(--space-2xl);
    }
    
    .elite-content-wrapper {
        padding: var(--space-lg);
    }
    
    .detail-section {
        padding: var(--space-lg);
    }
    
    .company-profile {
        padding: var(--space-xl);
    }
    
    .contact-wrapper {
        padding: var(--space-xl);
    }
    
    .company-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .recommended-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 28px;
        line-height: 1.2;
    }
    
    h2 {
        font-size: 24px;
        line-height: 1.2;
    }
    
    h3 {
        font-size: 20px;
        line-height: 1.2;
    }
    
    .banner-headline {
        font-size: 28px;
        line-height: 1.2;
    }
    
    .modern-banner {
        padding: var(--space-2xl) 0 var(--space-xl);
    }
    
    .elite-container {
        padding: var(--space-lg) var(--space-sm) var(--space-xl);
    }
    
    .detail-section {
        padding: var(--space-md);
    }

}
/* ============================================
   COMPANY STRENGTHS SECTION
   ============================================ */

.company-strengths {
    margin: 80px 0;
    padding: 60px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border-radius: 16px;
    position: relative;
}

.company-strengths::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 4px;
    background: linear-gradient(to right, #00509e, #4d7cae);
    border-radius: 2px;
}

.strengths-header {
    text-align: center;
    margin-bottom: 60px;
}

.strengths-badge {
    display: inline-block;
    background: #00509e;
    color: white;
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 14px;
    line-height: 2;
    font-weight: 600;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.strengths-title {
    font-size: 36px;
    line-height: 1.2;
    color: #003366;
    margin-bottom: 15px;
}

.strengths-subtitle {
    font-size: 18px;
    line-height: 1.6;
    color: #666666;
    max-width: 700px;
    margin: 0 auto;
}

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.strength-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid #f0f0f0;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.strength-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
    border-color: #00509e;
}

.strength-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #e6f2ff 0%, #f0f7ff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    color: #00509e;
    border: 2px solid #e6f2ff;
}

.strength-card h3 {
    font-size: 20px;
    line-height: 1.4;
    color: #003366;
    margin-bottom: 15px;
    font-weight: 600;
}

.strength-card p {
    font-size: 14px;
    line-height: 2;
    color: #666666;
    margin: 0;
}

.product-expertise {
    background: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid #f0f0f0;
}

.product-expertise h3 {
    font-size: 28px;
    line-height: 1.2;
    color: #003366;
    margin-bottom: 30px;
    text-align: center;
}

.expertise-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

.expertise-tag {
    background: linear-gradient(135deg, #f0f7ff 0%, #e6f2ff 100%);
    color: #00509e;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    line-height: 2;
    font-weight: 600;
    border: 1px solid #d1e3ff;
    transition: all 0.3s ease;
}

.expertise-tag:hover {
    background: linear-gradient(135deg, #00509e 0%, #3d97ea 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 80, 158, 0.2);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .strengths-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .company-strengths {
        margin: 60px 0;
        padding: 40px 0;
    }
    
    .strengths-title {
        font-size: 28px;
        line-height: 1.2;
    }
    
    .strengths-subtitle {
        font-size: 16px;
        line-height: 1.8;
    }
    
    .strengths-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .strength-card {
        padding: 25px;
    }
    
    .product-expertise {
        padding: 30px;
    }
    
    .product-expertise h3 {
        font-size: 24px;
        line-height: 1.2;
    }
    
    .expertise-tags {
        gap: 10px;
    }
    
    .expertise-tag {
        padding: 8px 16px;
        font-size: 13px;
        line-height: 1.8;
    }
}

@media (max-width: 480px) {
    .company-strengths {
        margin: 40px 0;
        padding: 30px 0;
    }
    
    .strengths-title {
        font-size: 24px;
        line-height: 1.2;
    }
    
    .strengths-badge {
        font-size: 12px;
        line-height: 1.8;
        padding: 6px 20px;
    }
    
    .strength-card {
        padding: 20px;
    }
    
    .strength-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 20px;
    }
    
    .strength-card h3 {
        font-size: 18px;
        line-height: 1.6;
    }
    
    .product-expertise {
        padding: 20px;
    }
    
    .product-expertise h3 {
        font-size: 20px;
        line-height: 1.2;
    }
}