/* ============================================
   企业版现代化设计系统 - 蓝色主题
   ============================================ */

:root {
    /* 品牌色彩 - 蓝色主题 */
    --primary-blue: #0066CC;
    --primary-blue-dark: #0052A3;
    --primary-blue-light: #3385D6;
    --primary-blue-alpha: rgba(0, 102, 204, 0.08);
    --primary-blue-alpha-light: rgba(0, 102, 204, 0.05);
    
    /* 文字色彩 */
    --text-primary: #1d1d1f;
    --text-secondary: #6e6e73;
    --text-tertiary: #86868b;
    --text-white: #ffffff;
    
    /* 背景色彩 */
    --bg-white: #ffffff;
    --bg-light: #f5f5f7;
    --bg-blue-light: #F0F7FF;
    --bg-alt: #fafafa;
    --bg-dark: #1d1d1f;
    
    /* 间距系统 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 2.5rem;
    --spacing-xxl: 3.5rem;
    
    /* 圆角 */
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    
    /* 阴影 - 苹果风格柔和阴影 */
    --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --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 16px 48px rgba(0, 0, 0, 0.16);
    --shadow-blue: 0 4px 20px rgba(0, 102, 204, 0.15);
    
    /* 过渡动画 */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   全局样式重置
   ============================================ */

* {
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-blue) rgba(0, 102, 204, 0.1);
}

*::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

*::-webkit-scrollbar-track {
    background: rgba(0, 102, 204, 0.05);
    border-radius: 4px;
}

*::-webkit-scrollbar-thumb {
    background: var(--primary-blue);
    border-radius: 4px;
    transition: background var(--transition-base);
}

*::-webkit-scrollbar-thumb:hover {
    background: var(--primary-blue-dark);
}

html {
    scroll-behavior: smooth;
}

body {
    /*font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;*/
    font-family: font-family: arial,"Hiragino Sans GB","Microsoft Yahei","微软雅黑",Tahoma,Helvetica,STHeiti;;
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 17px;
}

/* ============================================
   顶部企业横幅 - 现代化设计
   ============================================ */

.enterprise-banner {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 12px 0;
    font-size: 14px;
    position: relative;
    z-index: 1000;
}

.enterprise-label {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: -0.01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: bold;
    color: #000000;
}

.btn-enterprise {
    background: var(--primary-blue);
    color: var(--text-white);
    border: none;
    padding: 10px 24px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition-base);
    text-decoration: none;
    display: inline-block;
    box-shadow: var(--shadow-sm);
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.btn-enterprise:hover {
    background: var(--primary-blue-dark);
    color: var(--text-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ============================================
   导航栏 - 毛玻璃效果
   ============================================ */

.navbar {
    background: rgba(0, 102, 204, 0.85) !important;
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.1);
    padding: 12px 0;
    transition: all var(--transition-base);
}

.navbar-brand {
    transition: transform var(--transition-base);
}

.navbar-brand:hover {
    transform: scale(1.02);
}

.navbar-brand img {
    max-height: 44px;
    width: auto;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.92) !important;
    font-weight: 400;
    padding: 8px 16px !important;
    margin: 0 4px;
    border-radius: 20px;
    transition: all var(--transition-base);
    font-size: 0.95rem;
    letter-spacing: -0.01em;
}

.navbar-nav .nav-link:hover {
    color: var(--text-white) !important;
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

.navbar-nav .nav-link.active {
    color: var(--text-white) !important;
    background-color: rgba(255, 255, 255, 0.25);
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.3);
    padding: 0.25rem 0.5rem;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ============================================
   轮播图 - 现代化设计
   ============================================ */

#mainCarousel {
    margin-top: 0;
    overflow: hidden;
    height: 500px;
}

.carousel-inner {
    height: 100%;
}

.carousel-item {
    height: 500px;
    overflow: hidden;
    position: relative;
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.carousel-item:hover img {
    transform: scale(1.05);
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 50%;
    width: 56px;
    height: 56px;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.carousel-control-prev-icon::before,
.carousel-control-next-icon::before {
    filter: invert(1);
    opacity: 1;
}

.carousel-control-prev:hover .carousel-control-prev-icon,
.carousel-control-next:hover .carousel-control-next-icon {
    background-color: rgba(0, 0, 0, 0.8);
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.carousel-indicators {
    margin-bottom: 2rem;
}

.carousel-indicators button {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    opacity: 0.6;
    margin: 0 6px;
    transition: all var(--transition-base);
    border: none;
    padding: 0;
    text-indent: -999px;
}

.carousel-indicators button.active {
    opacity: 1;
    background-color: var(--text-white);
}

/* ============================================
   主要内容区域
   ============================================ */

.main-content {
    background: var(--bg-white);
    padding-top: 0;
    padding-bottom: var(--spacing-xl);
}

.main-content > .container {
    margin-top: 0;
    padding-top: 0;
}

.section-module {
    background: var(--bg-white);
    position: relative;
}

.section-module.bg-light {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
}

.content-section {
    background: var(--bg-white);
    position: relative;
    text-align: center;
}

.content-section.bg-light {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
}

.content-section .row {
    text-align: left;
}

.section-spacing {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-xl) !important;
    padding-bottom: var(--spacing-xl) !important;
}

.section-spacing:first-child {
    margin-top: 0;
    padding-top: var(--spacing-lg) !important;
}

/* ============================================
   板块标题 - 苹果风格
   ============================================ */

.section-header {
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 auto var(--spacing-md);
    position: relative;
    padding: 0;
    display: inline-block;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.section-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: all var(--transition-base);
    display: inline-block;
    margin-top: var(--spacing-sm);
}

.section-link:hover {
    color: var(--primary-blue-dark);
    transform: translateX(4px);
}

.section-link i {
    transition: transform var(--transition-base);
}

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

/* ============================================
   产品分类导航
   ============================================ */

.product-category-nav {
    background: var(--bg-blue-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-blue) rgba(0, 0, 0, 0.1);
}

.product-category-nav::-webkit-scrollbar {
    height: 6px;
}

.product-category-nav::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 3px;
}

.product-category-nav::-webkit-scrollbar-thumb {
    background: var(--primary-blue);
    border-radius: 3px;
}

.product-category-nav::-webkit-scrollbar-thumb:hover {
    background: var(--primary-blue-dark);
}

.category-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: nowrap;
    gap: 0.5rem;
    min-width: max-content;
}

.category-list .nav-item {
    margin: 0;
    flex-shrink: 0;
}

/* 桌面端：均分填满容器 */
@media (min-width: 1025px) {
    .product-category-nav {
        overflow-x: hidden;
    }
    
    .category-list {
        min-width: auto;
        width: 100%;
        justify-content: space-between;
        gap: 0.75rem;
    }
    
    .category-list .nav-item {
        flex: 1;
        flex-shrink: 1;
        min-width: 0;
        max-width: 100%;
    }
    
    .category-item {
        justify-content: center;
        width: 100%;
        text-align: center;
    }
}

.category-item {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--text-primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    border: none;
    background: transparent;
}

.category-item:hover {
    background: rgba(255, 255, 255, 0.8);
    color: var(--text-primary);
}

.category-item.active {
    background: var(--primary-blue);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

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

.category-item i {
    color: var(--primary-blue);
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
}

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

/* ============================================
   产品网格
   ============================================ */

.product-grid {
    min-height: 400px;
}

.product-category-content {
    display: none;
    animation: fadeInUp 0.2s ease-out;
}

.product-category-content.active {
    display: block;
}

.product-card {
    background: var(--bg-white);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-md);
    padding: 0.6rem 0.78rem;
    transition: all var(--transition-base);
    /*min-height: 70px;*/
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    cursor: pointer;
}

.product-card > .d-flex {
    align-items: center;
}

a.content-card-link:hover .product-card,
.product-card:hover {
    background: var(--primary-blue);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.product-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    margin-bottom: 4px;
}

.product-icon {
    width: 36px;
    height: 36px;
    min-width: 36px;
    background: var(--bg-blue-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.product-icon i {
    font-size: 1rem;
    color: var(--primary-blue);
}

.product-card:hover .product-icon {
    background: rgba(255, 255, 255, 0.15);
    transform: scale(1.05);
}

.product-card:hover .product-icon i {
    color: #ffffff;
}

.product-name {
    font-size: 0.95rem;
    /*font-weight: 600;*/
    color: var(--text-primary);
    margin: 0;
    line-height: 1.4;
    letter-spacing: -0.01em;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
    text-overflow: ellipsis;
}

a.content-card-link:hover .product-card .product-name,
.product-card:hover .product-name {
    color: #ffffff;
}

.product-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
    flex: 1;
}

/* ============================================
   解决方案卡片
   ============================================ */

.content-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition-base);
}

.content-card {
    background: var(--bg-white);
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    background-clip: padding-box;
}

.content-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--radius-md);
    padding: 1px;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.1), rgba(0, 102, 204, 0));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.content-card-link:hover .content-card {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.content-card-link:hover .content-card::before {
    opacity: 1;
}

.content-card .card-img-top {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform var(--transition-slow);
    background: var(--bg-light);
}

.content-card-link:hover .content-card .card-img-top {
    transform: scale(1.08);
}

.content-card .card-body {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.content-card .card-title {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}

.content-card h3.card-title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.02em;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}

.content-card h3.card-title i {
    color: var(--primary-blue);
    margin-right: 8px;
}

.content-card .card-text {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 0;
    flex: 1;
    letter-spacing: -0.01em;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    text-overflow: ellipsis;
}

.solution-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    cursor: pointer;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.content-card-link:hover .solution-card {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.solution-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.content-card-link:hover .solution-card .solution-image {
    transform: scale(1.08);
}

.solution-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.solution-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}

.solution-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    flex: 1;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================
   标杆案例
   ============================================ */

.stats-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-blue-light);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xl);
}

.stat-item {
    padding: var(--spacing-lg);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.03em;
}

.stat-unit {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-blue);
    display: inline-block;
    margin-left: 4px;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
    font-weight: 500;
}

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

.content-card-link:hover .case-card {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.case-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.content-card-link:hover .case-card .case-image {
    transform: scale(1.08);
}

.case-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.case-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}

.case-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    flex: 1;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================
   页脚
   ============================================ */

.footer {
    background: linear-gradient(180deg, #1d1d1f 0%, #000000 100%);
    color: var(--text-white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-title {
    color: var(--text-white);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
    letter-spacing: -0.01em;
}

.footer-contact {
    margin-top: var(--spacing-sm);
}

.footer-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

.footer-phone {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-blue-light);
    margin: 8px 0;
    font-family: 'SF Mono', 'Monaco', 'Courier New', monospace;
    letter-spacing: 0.5px;
    transition: color var(--transition-base);
    display: block;
}

.footer-phone:hover {
    color: var(--primary-blue);
}

.footer-logo {
    max-width: 200px;
    height: auto;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
    transition: transform var(--transition-base);
}

.footer-logo:hover {
    transform: scale(1.05);
}

.footer-brand-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-blue-light);
    font-family: 'SF Mono', 'Monaco', 'Courier New', monospace;
    letter-spacing: 0.5px;
}

.slogan {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 8px 0;
    letter-spacing: -0.01em;
}

.footer hr {
    border-color: rgba(255, 255, 255, 0.1);
    margin: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* ============================================
   工具类
   ============================================ */

.text-primary {
    color: var(--primary-blue) !important;
}

.bg-primary {
    background-color: var(--primary-blue) !important;
}

/* ============================================
   响应式设计
   ============================================ */

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-xxl: 3rem;
    }
    
    body {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: var(--spacing-md);
    }
    
    .section-spacing {
        margin-top: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
        padding-top: var(--spacing-lg) !important;
        padding-bottom: var(--spacing-lg) !important;
    }
    
    .main-content {
        padding: var(--spacing-lg) 0;
    }
    
    .product-category-nav {
        position: static;
        max-height: none;
        padding: var(--spacing-sm);
        overflow-x: auto;
        overflow-y: hidden;
    }
    
    .category-list {
        flex-wrap: nowrap !important;
        justify-content: flex-start !important;
    }
    
    .category-item {
        font-size: 0.85rem;
        padding: 0.5rem 0.75rem;
        white-space: nowrap;
    }
    
    .product-card {
        padding: var(--spacing-xs) var(--spacing-sm);
        min-height: 60px;
    }
    
    .product-header {
        gap: var(--spacing-xs);
        margin-bottom: var(--spacing-xs);
    }
    
    .product-icon {
        width: 32px;
        height: 32px;
        min-width: 32px;
    }
    
    .product-icon i {
        font-size: 0.9rem;
    }
    
    .product-name {
        font-size: 0.85rem;
    }
    
    .product-desc {
        font-size: 0.75rem;
        line-height: 1.4;
    }
    
    .solution-image,
    .case-image {
        height: 160px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .stat-unit {
        font-size: 1.2rem;
    }
    
    .enterprise-banner {
        font-size: 11px;
        padding: 8px 0;
    }
    
    .enterprise-label {
        font-size: 0.75rem;
    }
    
    .btn-enterprise {
        padding: 6px 12px;
        font-size: 0.75rem;
    }
    
    .navbar-brand img {
        max-height: 36px;
    }
    
    #mainCarousel {
        height: 300px;
    }
    
    .carousel-item {
        height: 300px;
    }
    
    .footer .row > [class*="col-"] {
        text-align: center !important;
    }
    
    .footer .text-lg-end {
        text-align: center !important;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .section-title {
        font-size: 2.5rem;
    }
    
    #mainCarousel {
        height: 400px;
    }
    
    .carousel-item {
        height: 400px;
    }
    
    .product-category-nav {
        position: static;
        margin-bottom: var(--spacing-lg);
        overflow-x: auto;
        overflow-y: hidden;
    }
    
    .category-list {
        flex-wrap: nowrap;
        min-width: max-content;
    }
    
    .category-list .nav-item {
        flex-shrink: 0;
    }
    
    .product-card {
        min-height: 70px;
    }
    
    .solution-image,
    .case-image {
        height: 180px;
    }
    
    .stat-number {
        font-size: 3rem;
    }
    
    .footer .row > [class*="col-"] {
        text-align: center !important;
    }
    
    .footer .text-lg-end {
        text-align: center !important;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }
    
    .section-title {
        font-size: 3.5rem;
    }
}

/* ============================================
   动画增强
   ============================================ */

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

.product-card,
.solution-card,
.case-card {
    animation: fadeInUp 0.6s ease-out;
}

.product-card:nth-child(1) { animation-delay: 0.1s; }
.product-card:nth-child(2) { animation-delay: 0.2s; }
.product-card:nth-child(3) { animation-delay: 0.3s; }
.product-card:nth-child(4) { animation-delay: 0.4s; }

/* ============================================
   分类导航 - 与ST.html和ST.asp保持一致
   ============================================ */

.category-nav {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.category-nav .d-flex {
    justify-content: flex-end;
}

.category-label {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 1rem;
}

.category-tabs {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.category-tab {
    display: inline-flex;
    align-items: center;
    padding: 10px 24px;
    border-radius: 22px;
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all var(--transition-base);
    background: var(--bg-light);
    color: var(--text-secondary);
    border: 1.5px solid transparent;
}

.category-tab:hover {
    background: var(--bg-alt);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.category-tab.active {
    background: var(--primary-blue);
    color: var(--text-white);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-sm);
}

.category-tab i {
    font-size: 0.9em;
}

/* 移动端和平板端优化 */
@media (max-width: 768px) {
    .category-nav .d-flex {
        justify-content: center;
    }

    .category-label {
        display: none;
    }

    .category-tabs {
        width: 100%;
        justify-content: center;
        gap: 8px;
    }

    .category-tab {
        padding: 8px 16px;
        font-size: 0.85rem;
        border-radius: 18px;
        flex: 1;
        justify-content: center;
        min-width: calc(33.333% - 8px);
    }

    .category-tab i {
        font-size: 0.8em;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .category-tabs {
        gap: 10px;
    }

    .category-tab {
        padding: 9px 20px;
        font-size: 0.9rem;
    }
}

/* ============================================
   分页样式 - 与ST.html和ST.asp保持一致
   ============================================ */

.pagination-container {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md) 0;
}

.pagination {
    margin: 0;
    gap: 8px;
}

.pagination .page-link {
    color: var(--text-primary);
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: var(--bg-white);
    padding: 10px 16px;
    margin: 0 4px;
    border-radius: 12px;
    font-weight: 500;
    transition: all var(--transition-base);
    min-width: 44px;
    text-align: center;
}

.pagination .page-link:hover {
    background: var(--bg-light);
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: translateY(-1px);
    box-shadow: var(--shadow-xs);
}

.pagination .page-item.active .page-link {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.pagination .page-item.disabled .page-link {
    background: var(--bg-light);
    color: var(--text-tertiary);
    border-color: rgba(0, 0, 0, 0.05);
    cursor: not-allowed;
    opacity: 0.5;
}

/* ============================================
   文章详情页 - 现代化设计（蓝色主题）
   ============================================ */

.content-card-detail {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.08);
    position: relative;
}

.content-card-detail::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), #3385D6);
}

.article-header {
    padding: var(--spacing-xxl);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    background: linear-gradient(180deg, rgba(0, 102, 204, 0.03) 0%, rgba(0, 102, 204, 0) 100%);
    position: relative;
}

.article-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-blue), transparent);
    opacity: 0.3;
}

.article-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.3;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary) 0%, #2d2d30 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.article-title i {
    color: var(--primary-blue);
    font-size: 0.85em;
    -webkit-text-fill-color: var(--primary-blue);
}

.article-meta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

.meta-badge {
    display: inline-flex;
    align-items: center;
    padding: 10px 18px;
    border-radius: 24px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-white);
    transition: all var(--transition-base);
    letter-spacing: -0.01em;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.meta-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.meta-badge:hover::before {
    left: 100%;
}

.meta-badge i {
    font-size: 0.9em;
}

.meta-badge.bg-primary {
    background: linear-gradient(135deg, var(--primary-blue), #3385D6);
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.25);
}

.meta-badge.bg-info {
    background: linear-gradient(135deg, #0ea5e9, #3b82f6);
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.25);
}

.meta-badge.bg-success {
    background: linear-gradient(135deg, #10b981, #34d399);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.25);
}

.meta-badge.bg-secondary {
    background: linear-gradient(135deg, #6b7280, #9ca3af);
    box-shadow: 0 4px 15px rgba(107, 114, 128, 0.25);
}

.article-image {
    padding: var(--spacing-xxl);
    background: linear-gradient(135deg, var(--bg-light) 0%, rgba(0, 102, 204, 0.02) 100%);
    position: relative;
}

.article-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-blue);
    border-radius: 2px;
}

.article-image img {
    width: 100%;
    height: auto;
    max-height: 520px;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
}

.article-image img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.article-body {
    padding: var(--spacing-xxl);
    font-size: 1.15rem;
    line-height: 1.9;
    color: var(--text-primary);
    background: var(--bg-white);
}

.article-body p {
    margin-bottom: var(--spacing-lg);
    text-align: justify;
    text-indent: 2em;
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base);
}

.article-body img:hover {
    transform: scale(1.01);
}

.article-body h1,
.article-body h2,
.article-body h3,
.article-body h4,
.article-body h5,
.article-body h6 {
    color: var(--text-primary);
    font-weight: 700;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.01em;
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid rgba(0, 102, 204, 0.1);
    position: relative;
}

.article-body h1::after,
.article-body h2::after,
.article-body h3::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--primary-blue);
}

.article-body h1 { font-size: 2rem; }
.article-body h2 { font-size: 1.75rem; }
.article-body h3 { font-size: 1.5rem; }
.article-body h4 { font-size: 1.3rem; }

.article-body ul,
.article-body ol {
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    background: rgba(0, 102, 204, 0.02);
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary-blue);
}

.article-body li {
    margin-bottom: 10px;
    line-height: 1.8;
}

.article-body a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-base);
    position: relative;
    display: inline-block;
}

.article-body a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width var(--transition-base);
}

.article-body a:hover {
    color: var(--primary-blue-dark);
}

.article-body a:hover::after {
    width: 100%;
}

.article-booking-quick {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05) 0%, rgba(51, 133, 214, 0.03) 100%);
    border: 2px solid rgba(0, 102, 204, 0.15);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-lg);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.article-booking-quick::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), #3385D6, var(--primary-blue));
}

.article-booking-quick:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 102, 204, 0.2);
    border-color: var(--primary-blue);
}

.price-display {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex: 1;
}

.price-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: -0.01em;
}

.price-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    /*font-family: 'SF Mono', 'Monaco', 'Courier New', monospace;*/
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--primary-blue), #3385D6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
}

.price-unit {
    font-size: 1rem;
    color: var(--text-tertiary);
    font-weight: 500;
    margin-left: 4px;
}

.btn-booking-quick {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-white);
    background: linear-gradient(135deg, var(--primary-blue), #3385D6);
    border: none;
    border-radius: 50px;
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.3), 0 3px 10px rgba(0, 102, 204, 0.15);
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.btn-booking-quick::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s;
}

.btn-booking-quick:hover {
    background: linear-gradient(135deg, #3385D6, var(--primary-blue));
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.4), 0 5px 15px rgba(0, 102, 204, 0.2);
    color: var(--text-white);
}

.btn-booking-quick:hover::before {
    left: 100%;
}

.btn-booking-quick:active {
    transform: translateY(-1px) scale(1);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.article-navigation {
    background: linear-gradient(135deg, var(--bg-light) 0%, rgba(0, 102, 204, 0.02) 100%);
    padding: var(--spacing-xl);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    position: relative;
}

.article-navigation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--primary-blue), transparent);
    border-radius: 2px;
}

.nav-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1.5px solid rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    height: 100%;
    min-height: 120px;
    position: relative;
    overflow: hidden;
}

.nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-blue);
    transition: width var(--transition-base);
}

.nav-card:hover::before {
    width: 100%;
    opacity: 0.05;
}

.nav-card i {
    color: var(--primary-blue);
    font-size: 1.5rem;
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.nav-card:hover i {
    transform: scale(1.2);
}

.nav-card.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background: var(--bg-light);
}

.nav-card.disabled::before {
    background: var(--text-tertiary);
}

.nav-card.disabled i,
.nav-card.disabled .nav-label,
.nav-card.disabled .nav-title {
    color: var(--text-tertiary);
}

.nav-link-prev .nav-card {
    justify-content: flex-start;
}

.nav-link-next .nav-card {
    justify-content: flex-end;
}

.nav-link-prev,
.nav-link-next {
    display: block;
    text-decoration: none;
    color: inherit;
}

.nav-link-prev:hover .nav-card,
.nav-link-next:hover .nav-card {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.nav-label {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 6px;
}

.nav-title {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 600;
    margin: 0;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color var(--transition-base);
}

.nav-link-prev:hover .nav-title,
.nav-link-next:hover .nav-title {
    color: var(--primary-blue);
}

.article-back-btn {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.article-back-btn .btn-primary {
    padding: 14px 40px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 28px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.article-back-btn .btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.article-back-btn .btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.article-back-btn .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}