/* 全局样式 - 科技感配色 */
:root {
    --primary-color: #2563eb;
    --primary-gradient: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    --light-color: #f8fafc;
    --dark-color: #1e293b;
    --white-color: #ffffff;
    --black-color: #0f172a;
    --tech-blue: #1e40af;
    --tech-purple: #7c3aed;
    --tech-cyan: #06b6d4;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* 页面容器宽度调整为85% */
.container {
    max-width: 85% !important;
    margin: 0 auto;
}

a {
    color: #007bff;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

/* 富文本内容样式 */
.rich-text-content {
    font-size: 16px;
    line-height: 1.8;
    color: #4a5568;
    max-width: 100%;
    overflow-x: auto;
}

.rich-text-content h1,
.rich-text-content h2,
.rich-text-content h3,
.rich-text-content h4,
.rich-text-content h5,
.rich-text-content h6 {
    margin-top: 1.5em;
    margin-bottom: 0.75em;
    color: var(--dark-color);
    font-weight: 600;
}

.rich-text-content h1 {
    font-size: 1.8em;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5em;
}

.rich-text-content h2 {
    font-size: 1.5em;
    border-left: 4px solid var(--primary-color);
    padding-left: 0.75em;
}

.rich-text-content h3 {
    font-size: 1.3em;
    color: var(--tech-blue);
}

.rich-text-content p {
    margin-bottom: 1em;
    text-align: justify;
}

.rich-text-content ul,
.rich-text-content ol {
    margin: 1em 0;
    padding-left: 2em;
    counter-reset: list-counter;
}

.rich-text-content li {
    margin-bottom: 0.5em;
}

.rich-text-content ul li {
    list-style-type: disc;
}

.rich-text-content ol li {
    list-style-type: decimal;
    counter-increment: list-counter;
}

.rich-text-content ol {
    counter-reset: list-counter;
}

.rich-text-content ol li::before {
    content: counter(list-counter) ". ";
    font-weight: bold;
    margin-right: 0.5em;
}

.rich-text-content blockquote {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-left: 4px solid var(--primary-color);
    margin: 1.5em 0;
    padding: 1.5em;
    font-style: italic;
    border-radius: 0 8px 8px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.rich-text-content code {
    background-color: #f1f5f9;
    color: #dc2626;
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.rich-text-content pre {
    background-color: #1e293b;
    color: #e2e8f0;
    padding: 1.5em;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5em 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    line-height: 1.5;
}

.rich-text-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

.rich-text-content th,
.rich-text-content td {
    padding: 0.75em 1em;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

.rich-text-content th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

.rich-text-content tr:nth-child(even) {
    background-color: #f8fafc;
}

.rich-text-content tr:hover {
    background-color: #f1f5f9;
}

.rich-text-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1em 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.rich-text-content img:hover {
    transform: scale(1.02);
}

.rich-text-content a {
    color: var(--primary-color);
    text-decoration: underline;
    font-weight: 500;
}

.rich-text-content a:hover {
    color: var(--tech-blue);
    text-decoration: none;
}

.rich-text-content .ql-align-center {
    text-align: center;
}

.rich-text-content .ql-align-right {
    text-align: right;
}

.rich-text-content .ql-align-justify {
    text-align: justify;
}

.rich-text-content .ql-indent-1 {
    margin-left: 2em;
}

.rich-text-content .ql-indent-2 {
    margin-left: 4em;
}

.rich-text-content .ql-indent-3 {
    margin-left: 6em;
}

/* 产品详情页特定样式 */
.product-description {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
}

.product-description h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
}

/* 产品特色个性化展示样式 */
.product-features {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
}

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

.feature-item {
    display: flex;
    align-items: flex-start;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-left-color: var(--primary-color);
}

.feature-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--tech-blue) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: white;
    font-size: 1.2rem;
}

.feature-content {
    flex: 1;
}

.feature-text {
    font-size: 1rem;
    line-height: 1.6;
    color: #4a5568;
    font-weight: 500;
}

/* 特色图标动画效果 */
.feature-icon {
    animation: iconPulse 2s infinite;
}

@keyframes iconPulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4);
    }
    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(37, 99, 235, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .feature-item {
        padding: 0.75rem;
    }
    
    .feature-icon {
        width: 35px;
        height: 35px;
        font-size: 1rem;
        margin-right: 0.75rem;
    }
    
    .feature-text {
        font-size: 0.9rem;
    }
}

/* 特色项目交替颜色效果 */
.feature-item:nth-child(odd) .feature-icon {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
}

.feature-item:nth-child(even) .feature-icon {
    background: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
}

.feature-item:nth-child(3n) .feature-icon {
    background: linear-gradient(135deg, var(--info-color) 0%, #0891b2 100%);
}

.feature-item:nth-child(4n) .feature-icon {
    background: linear-gradient(135deg, var(--tech-purple) 0%, #6d28d9 100%);
}

/* 首页核心产品特色网格迷你版样式 */
.features-grid-mini {
    margin-bottom: 1rem;
}

.feature-item-mini {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
    padding: 0.25rem 0;
    font-size: 0.9rem;
    color: #4a5568;
}

.feature-item-mini i {
    font-size: 0.8rem;
    color: var(--primary-color);
    flex-shrink: 0;
    width: 16px;
}

.feature-item-mini .feature-text {
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    max-height: none;
    min-height: auto;
}

/* 产品卡片内的特色网格适配 */
.product-card .features-grid-mini {
    max-height: none;
    overflow: hidden;
}

.product-card .feature-item-mini {
    font-size: 0.85rem;
    margin-bottom: 0.3rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .features-grid-mini {
        max-height: none;
    }
    
    .feature-item-mini {
        font-size: 0.8rem;
        margin-bottom: 0.25rem;
    }
}

/* 产品详情页特色网格样式 */
.product-detail .features-grid-mini {
    background: #f8fafc;
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid #e2e8f0;
}

.product-detail .feature-item-mini {
    background: white;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 0.75rem;
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

.product-detail .feature-item-mini:hover {
    transform: translateX(4px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.product-detail .feature-item-mini i {
    font-size: 0.9rem;
    width: 20px;
}

.product-detail .feature-item-mini .feature-text {
    font-weight: 500;
    color: #2d3748;
    white-space: normal;
    line-height: 1.5;
}

/* 增长列表容器样式 */
.growth-list-container {
    max-height: 300px;
    overflow-y: auto;
    margin-top: 15px;
}

.growth-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
    transition: background-color 0.2s ease;
}

.growth-item:hover {
    background-color: #f8fafc;
    border-radius: 6px;
    padding: 12px 10px;
}

.growth-item:last-child {
    border-bottom: none;
}

.product-title {
    flex: 1;
    font-size: 14px;
    color: #334155;
    font-weight: 500;
    line-height: 1.4;
}

.growth-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.growth-rate {
    font-size: 13px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 4px;
    min-width: 60px;
    text-align: center;
}

.growth-rate.positive {
    background-color: #dcfce7;
    color: #166534;
}

.growth-rate.negative {
    background-color: #fee2e2;
    color: #dc2626;
}

.growth-amount {
    font-size: 12px;
    color: #64748b;
    background-color: #f1f5f9;
    padding: 3px 8px;
    border-radius: 4px;
    min-width: 50px;
    text-align: center;
}

.no-data {
    text-align: center;
    color: #94a3b8;
    font-size: 14px;
    padding: 40px 0;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .product-detail .features-grid-mini {
        padding: 1rem;
    }
    
    .product-detail .feature-item-mini {
        padding: 0.6rem 0.8rem;
        margin-bottom: 0.6rem;
    }
}

/* 简化分类标签样式 */
.nav-tabs .nav-link {
    transition: all 0.2s ease !important;
    border: none !important;
}

.nav-tabs .nav-link:hover {
    background-color: rgba(37, 99, 235, 0.1) !important;
}

.nav-tabs .nav-link.active {
    background-color: #2563eb !important;
    color: white !important;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3) !important;
}

/* 产品图片悬停效果 */
.cursor-pointer {
    cursor: pointer !important;
}

.product-img:hover .product-overlay {
    background-color: rgba(0, 0, 0, 0.6) !important;
    opacity: 1 !important;
}

.product-overlay {
    cursor: pointer !important;
}

.product-overlay:hover {
    background-color: rgba(0, 0, 0, 0.7) !important;
}

/* 简化徽章样式 */
.badge {
    transition: all 0.2s ease !important;
}

.badge:hover {
    opacity: 0.9;
}

/* 按钮和交互元素科技感增强 */
.btn {
    background: var(--primary-gradient);
    border: none;
    border-radius: 6px;
    padding: 0.75rem 1.5rem;
    color: var(--white-color);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(37, 99, 235, 0.3);
}

.btn::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 ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-glow {
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
}

.btn-glow:hover {
    box-shadow: 0 0 30px rgba(37, 99, 235, 0.7);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white-color);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-tech {
    background: linear-gradient(135deg, var(--tech-purple) 0%, var(--tech-blue) 100%);
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
}

.btn-tech:hover {
    background: linear-gradient(135deg, var(--tech-blue) 0%, var(--tech-purple) 100%);
    box-shadow: 0 8px 25px rgba(124, 58, 237, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669 0%, var(--success-color) 100%);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, var(--danger-color) 100%);
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.4);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-warning:hover {
    background: linear-gradient(135deg, #d97706 0%, var(--warning-color) 100%);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.4);
}

/* 导航栏样式 - 统一稳定版本 */
.navbar {
    /* 强制固定高度，避免布局变化 */
    height: 90px !important;
    /* 强制统一背景 */
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%) !important;
    /* 固定定位 */
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    /* 确保导航栏在最上层 */
    z-index: 9999 !important; /* 提高z-index确保完全不会被遮挡 */
    /* 统一阴影 */
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.1) !important;
    /* 统一内边距 */
    padding: 0 20px !important;
    /* 统一边框 */
    border-bottom: 1px solid rgba(37, 99, 235, 0.1) !important;
}

/* 完全禁用导航栏的hover效果 */
.navbar:hover {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%) !important;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.1) !important;
    transform: none !important;
}

/* 导航栏容器 */
.navbar .container {
    /* 强制统一容器样式 */
    height: 100% !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 0 !important;
    max-width: 1200px !important;
    margin: 0 auto !important;
}

/* logo区域 */
.navbar-brand {
    display: flex !important;
    align-items: center !important;
    margin-right: 2rem !important;
    text-decoration: none !important;
    /* 确保整个品牌区域没有背景色 */
    background: none !important;
    background-color: transparent !important;
    background-image: none !important;
}

/* logo图片 */
.navbar-brand img {
    max-height: 40px !important;
    margin-right: 12px !important;
}

/* 公司名称保持原始样式，不做额外修改 */
.navbar-brand span {
    /* 彻底移除背景色 - 确保100%透明 */
    background: transparent !important;
    background-color: transparent !important;
    background-image: none !important;
    background-gradient: none !important;
    background-repeat: no-repeat !important;
    background-size: 100% !important;
    background-position: center !important;
    background-attachment: scroll !important;
    background-blend-mode: normal !important;
    
    /* 确保没有任何背景相关效果 */
    box-shadow: none !important;
    outline: none !important;
    outline-offset: 0 !important;
    
    /* 额外确保透明度 */
    opacity: 1 !important;
    mix-blend-mode: normal !important;
    
    /* 强制移除所有可能的背景继承 */
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    
    /* 确保没有内边距和外边距导致的视觉效果 */
    padding: 0 !important;
    margin: 0 !important;
    line-height: inherit !important;
    
    /* 确保颜色正确 */
    color: white !important;
    text-shadow: none !important;
    
    /* 确保没有任何边框 */
    border: none !important;
    border-radius: 0 !important;
    border-width: 0 !important;
    border-style: none !important;
    border-color: transparent !important;
    
    /* 确保没有任何额外样式 */
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    
    /* 确保显示正确 */
    display: inline !important;
    vertical-align: baseline !important;
}

/* 首页正文样式 */
.hero-section {
    margin-top: 80px; /* 为固定导航栏留出空间 */
    height: 500px;
    position: relative;
    overflow: hidden;
    z-index: 1; /* 确保轮播图容器层级低于导航栏 */
}

.carousel-item img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    position: relative;
    z-index: 0; /* 确保图片层级低于导航栏 */
}

.carousel-caption {
    position: absolute;
    top: 60%;
    left: 50%;
    transform: translate(-50%, -60%);
    text-align: center;
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    z-index: 1; /* 文字内容层级高于图片但低于导航栏 */
}

.carousel-caption h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.carousel-caption p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.section-padding {
    padding: 80px 0;
}

.bg-light {
    background-color: #f8f9fa !important;
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: bold;
    color: #1e293b;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    color: #64748b;
}

/* 产品卡片样式 */
.product-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.product-image {
    height: 200px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-content {
    padding: 1.5rem;
}

.product-content h3 {
    font-size: 1.3rem;
    font-weight: bold;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.product-content p {
    color: #64748b;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.category {
    background: #e2e8f0;
    color: #475569;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
}

.price {
    font-weight: bold;
    color: #2563eb;
    font-size: 1.1rem;
}

/* 案例详情页样式 */
.case-detail {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
}

.case-image-container {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.case-main-image {
    transition: transform 0.3s ease;
    height: 400px;
    object-fit: cover;
}

.case-main-image:hover {
    transform: scale(1.02);
}

.case-thumbnails {
    margin-top: 1rem;
}

.thumbnail-image {
    height: 80px;
    object-fit: cover;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.thumbnail-image:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.case-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.case-meta {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
}

.meta-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.meta-item:last-child {
    margin-bottom: 0;
}

.meta-item strong {
    color: #374151;
    min-width: 80px;
}

.meta-item span {
    color: #6b7280;
}

.section-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #1e293b;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
    margin-bottom: 1rem;
}

.description-content {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
    line-height: 1.8;
    color: #4b5563;
}

.features-list {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
}

.feature-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f1f5f9;
    color: #4b5563;
}

.feature-item:last-child {
    border-bottom: none;
}

.feature-item:hover {
    background: #f8fafc;
    border-radius: 8px;
    padding-left: 0.75rem;
    padding-right: 0.75rem;
}

.solution-content {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
    line-height: 1.8;
    color: #4b5563;
}

.related-cases {
    background: linear-gradient(135deg, #f1f5f9 0%, #ffffff 100%);
    padding: 3rem 0;
    border-radius: 16px;
}

.related-case-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.related-case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.related-case-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.related-case-content {
    padding: 1.5rem;
}

.related-case-content h5 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.75rem;
}

.related-case-content p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.case-actions {
    padding: 2rem 0;
}

.case-actions .btn-group {
    gap: 1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .case-title {
        font-size: 2rem;
    }
    
    .case-main-image {
        height: 300px;
    }
    
    .case-meta .row {
        gap: 1rem;
    }
    
    .case-actions .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .case-actions .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

/* 案例卡片样式 */
.case-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

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

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.case-content {
    padding: 1.5rem;
}

.case-content h3 {
    font-size: 1.3rem;
    font-weight: bold;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.case-content .client,
.case-content .industry {
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.case-content p {
    color: #64748b;
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* 新闻卡片样式 */
.news-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.news-image {
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

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

.news-content {
    padding: 1.5rem;
}

.news-content h3 {
    font-size: 1.2rem;
    font-weight: bold;
    color: #1e293b;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.news-content p {
    color: #64748b;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: #94a3b8;
    margin-bottom: 1rem;
}

.news-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* 页脚样式 */
footer {
    background: #1e293b !important;
    color: white;
    padding: 3rem 0 1rem;
}

footer h5 {
    color: white;
    margin-bottom: 1rem;
    font-weight: 600;
}

footer p {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

footer ul li {
    margin-bottom: 0.5rem;
}

footer ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

footer ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .carousel-caption h1 {
        font-size: 2rem;
    }
    
    .carousel-caption p {
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-padding {
        padding: 60px 0;
    }
    
    .hero-section {
        height: 400px;
    }
    
    .carousel-item img {
        height: 400px;
    }
}

/* 菜单导航区域 */
.navbar-nav {
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
    flex-grow: 1;
}



.navbar-brand img {
    max-height: 40px;
}

/* 导航菜单容器 */
.navbar-nav {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin: 0 !important;
    padding: 0 !important;
    flex-wrap: nowrap !important;
}

/* 导航菜单项 */
.navbar-nav .nav-item {
    display: flex !important;
}

/* 手机端导航菜单优化 */
@media (max-width: 991.98px) {
    /* 导航栏高度调整 */
    .navbar {
        height: 70px !important;
        padding: 0.5rem 0 !important;
    }
    
    /* 汉堡菜单按钮样式 */
    .navbar-toggler {
        padding: 0.25rem 0.5rem !important;
        font-size: 1.25rem !important;
        border: 1px solid rgba(255, 255, 255, 0.3) !important;
    }
    
    .navbar-toggler:focus {
        box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25) !important;
    }
    
    /* 折叠菜单容器 */
    .navbar-collapse {
        background: linear-gradient(135deg, #1e293b 0%, #334155 100%) !important;
        margin-top: 0.5rem !important;
        border-radius: 0.5rem !important;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3) !important;
    }
    
    /* 手机端菜单项样式 */
    .navbar-nav .nav-item {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
        margin: 0 !important;
    }
    
    .navbar-nav .nav-item:last-child {
        border-bottom: none !important;
    }
    
    .navbar-nav .nav-link {
        padding: 1rem 1.5rem !important;
        font-size: 1.1rem !important;
        color: rgba(255, 255, 255, 0.9) !important;
        display: flex !important;
        align-items: center !important;
        transition: all 0.3s ease !important;
    }
    
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
        background-color: rgba(37, 99, 235, 0.2) !important;
        color: white !important;
        transform: translateX(5px) !important;
    }
    
    .navbar-nav .nav-link i {
        width: 24px !important;
        text-align: center !important;
        font-size: 1.2rem !important;
    }
    
    /* 手机端公司名称调整 */
    .navbar-brand span {
        font-size: 1.1rem !important;
        margin-left: 0.5rem !important;
    }
    
    /* 手机端logo调整 */
    .navbar-brand img {
        max-height: 35px !important;
    }
    
    /* 手机端联系方式调整 */
    .navbar .d-flex span {
        font-size: 0.9rem !important;
        padding: 0.5rem !important;
        background: rgba(255, 255, 255, 0.1) !important;
        border-radius: 0.25rem !important;
    }
}

/* 超小屏幕优化 */
@media (max-width: 575.98px) {
    .navbar-brand span {
        font-size: 1rem !important;
    }
    
    .navbar-brand img {
        max-height: 30px !important;
    }
    
    .navbar-nav .nav-link {
        padding: 0.875rem 1.25rem !important;
        font-size: 1rem !important;
    }
}

/* 电脑端导航菜单优化 */
@media (min-width: 992px) {
    /* 确保电脑端汉堡菜单隐藏 */
    .navbar-toggler {
        display: none !important;
    }
    
    /* 电脑端菜单项水平排列 */
    .navbar-nav {
        flex-direction: row !important;
        align-items: center !important;
    }
    
    .navbar-nav .nav-item {
        margin: 0 0.5rem !important;
        border-bottom: none !important;
    }
    
    /* 电脑端菜单链接样式 */
    .navbar-nav .nav-link {
        padding: 0.5rem 1rem !important;
        font-size: 1rem !important;
        border-radius: 0.25rem !important;
        transition: all 0.3s ease !important;
    }
    
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
        background-color: rgba(37, 99, 235, 0.2) !important;
        transform: none !important;
    }
    
    /* 电脑端联系方式显示 */
    .navbar .d-flex span {
        font-size: 0.9rem !important;
        padding: 0.5rem 1rem !important;
        background: rgba(255, 255, 255, 0.1) !important;
        border-radius: 0.25rem !important;
        white-space: nowrap !important;
    }
}
    align-items: center !important;
    justify-content: center !important;
    margin: 0 8px !important;
    padding: 0 !important;
}

/* 导航链接基础样式 - 完全统一 */
.navbar-nav .nav-link {
    /* 强制统一字体大小 */
    font-size: 0.9rem !important;
    /* 强制统一字体颜色 */
    color: white !important;
    /* 强制统一字体粗细 */
    font-weight: 500 !important;
    /* 统一内边距 */
    padding: 8px 16px !important;
    /* 统一外边距 */
    margin: 0 !important;
    /* 统一圆角 */
    border-radius: 6px !important;
    /* 添加平滑过渡效果 */
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    /* 确保没有边框 */
    border: none !important;
    /* 确保没有额外样式 */
    box-shadow: none !important;
    /* 确保定位正确 */
    position: relative !important;
    /* 确保文本不换行 */
    white-space: nowrap !important;
}

/* 导航链接hover效果 - 稳定版本 */
.navbar-nav .nav-link:hover {
    /* 统一hover背景色 */
    background-color: #2563eb !important;
    /* 移除可能导致抖动的缩放效果 */
    transform: none !important;
    /* 确保没有额外样式 */
    box-shadow: none !important;
}

/* 导航链接active效果 */
.navbar-nav .nav-link.active {
    /* 统一active背景色 */
    background-color: #2563eb !important;
    /* 确保没有额外样式 */
    box-shadow: none !important;
}

/* 强制移除所有伪元素 */
.navbar-nav .nav-link::before,
.navbar-nav .nav-link::after {
    display: none !important;
    content: none !important;
    width: 0 !important;
    height: 0 !important;
}

/* 强制移除focus效果 */
.navbar-nav .nav-link:focus {
    outline: none !important;
    box-shadow: none !important;
}

/* 电话区域 */
.navbar .d-flex.align-items-center {
    margin-left: 20px !important;
}

/* 电话样式 */
.navbar .d-flex.align-items-center span {
    font-size: 0.8rem !important;
    font-weight: bold !important;
    background-color: #2563eb !important;
    color: white !important;
    padding: 6px 12px !important;
    border-radius: 6px !important;
    box-shadow: none !important;
    /* 添加平滑过渡效果 */
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* 禁用电话区域的hover效果 */
.navbar .d-flex.align-items-center span:hover {
    transform: none !important;
    box-shadow: none !important;
}

.dropdown-menu {
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.dropdown-item:hover {
    background-color: var(--light-color);
    color: var(--primary-color);
}

/* 首页横幅样式 - 科技感 */
.banner {
    position: relative;
    height: 600px;
    overflow: hidden;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.3) 0%, transparent 50%);
    z-index: 1;
}

.carousel-item {
    position: relative;
}

.carousel-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.2) 0%, rgba(30, 41, 59, 0.1) 100%);
    z-index: 1;
}

.carousel-item img {
    filter: brightness(1.05) contrast(1.05);
    transition: transform 0.5s ease;
}

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

.carousel-caption {
    z-index: 2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.carousel-caption h1 {
    background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.carousel-caption p {
    font-size: 1.3rem;
    color: #cbd5e1;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.banner-slider {
    position: relative;
    height: 100%;
}

.banner-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.banner-item.active {
    opacity: 1;
}

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

.banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.banner-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.banner-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* 页面标题样式 */
.page-header {
    position: relative;
    padding: 0;
    min-height: 300px;
    background: linear-gradient(135deg, var(--tech-blue) 0%, var(--primary-color) 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-header .container {
    position: relative;
    z-index: 2;
    padding: 2rem 0;
}   display: flex;
    align-items: center;
    justify-content: center;
}

.page-header .container {
    position: relative;
    z-index: 2;
    padding: 2rem 0;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.page-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
    z-index: 1;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.page-header {
    color: var(--white-color);
    text-align: center;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 章节标题样式 */
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--tech-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--tech-purple) 100%);
    border-radius: 2px;
}

.section-title {
    text-align: center;
    color: #333;
}

/* 科技感卡片样式 */
.tech-card {
    background: var(--white-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.05), transparent);
    transition: left 0.5s ease;
}

.tech-card:hover::before {
    left: 100%;
}

.tech-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.3);
}

/* 产品卡片科技感增强 */
.product-card {
    background: var(--white-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.1);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.3);
}

.product-card .card-img-top {
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

/* 关于我们简介样式 */
.about-intro {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.about-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.feature-item {
    flex: 0 0 30%;
    text-align: center;
    padding: 2rem 1rem;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 1rem;
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background-color: var(--primary-color);
    color: var(--white-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* 产品展示样式 */
.products {
    padding: 4rem 0;
}

.product-card {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.product-info p {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1rem;
}

/* 产品分类样式 */
.product-categories {
    padding: 4rem 0;
}

.category-card {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.category-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.category-info {
    padding: 1.5rem;
}

.category-info h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.category-info p {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1rem;
}

/* 产品列表样式 */
.product-list {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

.product-img {
    height: 200px;
    overflow: hidden;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

/* 产品详情样式 */
.product-detail {
    padding: 4rem 0;
}

.product-gallery {
    margin-bottom: 2rem;
}

.product-gallery img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.product-specs {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.product-specs h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.product-specs li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #e9ecef;
}

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

.product-specs .spec-label {
    font-weight: 600;
    margin-right: 0.5rem;
}

/* 案例样式 */
.cases {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

.case-card {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    background-color: #fff;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.case-img {
    height: 200px;
    overflow: hidden;
}

.case-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.case-info {
    padding: 1.5rem;
}

.case-info h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.case-info p {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1rem;
}

/* 案例详情样式 */
.case-detail {
    padding: 4rem 0;
}

.case-banner {
    height: 300px;
    overflow: hidden;
    margin-bottom: 2rem;
}

.case-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-description {
    margin-bottom: 2rem;
}

.case-results {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.case-results h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.case-results ul {
    list-style: none;
    padding: 0;
}

.case-results li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #e9ecef;
}

.case-results li:last-child {
    border-bottom: none;
}

.case-results li i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

/* 新闻样式 */
.news {
    padding: 4rem 0;
}

.news-card {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    background-color: #fff;
    padding: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.news-date {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background-color: var(--primary-color);
    color: var(--white-color);
    font-size: 0.8rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.news-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.news-card p {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1rem;
}

/* 新闻详情样式 */
.news-detail {
    padding: 4rem 0;
}

.news-header {
    margin-bottom: 2rem;
}

.news-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.news-meta {
    display: flex;
    align-items: center;
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.news-meta span {
    margin-right: 1rem;
}

.news-content {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.news-content p {
    margin-bottom: 1.5rem;
}

.news-content img {
    max-width: 100%;
    height: auto;
    margin: 1.5rem 0;
    border-radius: 8px;
}

/* 关于我们样式 */
.about {
    padding: 4rem 0;
}

.about-content {
    margin-bottom: 2rem;
}

.about-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.about-content p {
    margin-bottom: 1.5rem;
}

.about-team {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.team-member {
    text-align: center;
    margin-bottom: 2rem;
}

.team-member img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
}

.team-member h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.team-member p {
    font-size: 0.9rem;
    color: #666;
}

/* 联系我们样式 */
.contact {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

.contact-info {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.contact-text h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.contact-text p {
    font-size: 0.9rem;
    color: #666;
}

.contact-form .form-group {
    margin-bottom: 1.5rem;
}

.contact-form label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.contact-form .form-control {
    border: 1px solid #ced4da;
    border-radius: 4px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
}

.contact-form .form-control:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* 联系我们横幅样式 */
.contact-section {
    padding: 4rem 0;
}

.contact-banner {
    background-color: var(--primary-color);
    color: var(--white-color);
    padding: 3rem 2rem;
    border-radius: 8px;
    text-align: center;
}

.contact-banner h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.contact-banner p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* 页脚科技感样式 */
.footer {
    background: linear-gradient(135deg, var(--dark-color) 0%, #0f172a 100%);
    color: var(--white-color);
    padding: 3rem 0 1rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.3) 0%, transparent 50%);
    z-index: 1;
}

.footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.footer .container {
    position: relative;
    z-index: 2;
}

.footer h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--white-color);
    position: relative;
    display: inline-block;
}

.footer h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--primary-gradient);
    border-radius: 1px;
}

.footer p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
}

.footer-links a::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.footer-links a:hover {
    color: var(--white-color);
    opacity: 1;
}

.footer-links a:hover::before {
    width: 100%;
}

.footer-contact {
    list-style: none;
    padding: 0;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.8rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-contact i {
    margin-right: 0.8rem;
    flex-shrink: 0;
}

.footer-social {
    display: flex;
    margin-top: 1.5rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.8rem;
    transition: background-color 0.3s ease;
}

.footer-social a:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.8;
    position: relative;
    text-align: center;
}

.footer-bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: var(--primary-gradient);
    border-radius: 1px;
}

/* 返回顶部按钮样式 */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-color);
    opacity: 0.8;
}

/* 后台管理入口样式 */
.admin-login {
    position: fixed;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    z-index: 999;
}

.admin-login-btn {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.admin-login-btn:hover {
    background-color: var(--primary-color);
    opacity: 0.8;
    transform: scale(1.1);
}

/* 后台管理样式 */
.admin-login-form {
    max-width: 500px;
    margin: 5rem auto;
    padding: 2rem;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.admin-login-form h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    text-align: center;
}

.admin-nav {
    background-color: #343a40;
    color: #fff;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    width: 250px;
    padding: 2rem 0;
}

.admin-nav .admin-logo {
    padding: 0 2rem 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 2rem;
}

.admin-nav .admin-logo img {
    max-height: 40px;
}

.admin-nav-menu {
    list-style: none;
    padding: 0;
}

.admin-nav-menu li {
    margin-bottom: 0.5rem;
}

.admin-nav-menu a {
    display: flex;
    align-items: center;
    padding: 0.8rem 2rem;
    color: #fff;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.admin-nav-menu a:hover,
.admin-nav-menu a.active {
    background-color: rgba(255, 255, 255, 0.1);
    opacity: 1;
}

.admin-nav-menu i {
    margin-right: 1rem;
    font-size: 1.2rem;
}

.admin-content {
    margin-left: 250px;
    padding: 2rem;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e9ecef;
}

.admin-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.admin-user {
    display: flex;
    align-items: center;
}

.admin-user img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 1rem;
}

.admin-table {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.admin-table table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
}

.admin-table th {
    background-color: #f8f9fa;
    font-weight: 600;
}

.admin-table tr:hover {
    background-color: #f8f9fa;
}

.admin-actions {
    display: flex;
    align-items: center;
}

.admin-actions a {
    margin-right: 0.5rem;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

.admin-actions .btn-edit {
    background-color: #ffc107;
    color: #212529;
}

.admin-actions .btn-delete {
    background-color: #dc3545;
    color: #fff;
}

.admin-form {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 2rem;
}

.admin-form h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

.admin-form .form-group {
    margin-bottom: 1.5rem;
}

.admin-form label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.admin-form .form-control {
    border: 1px solid #ced4da;
    border-radius: 4px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
}

.admin-form .form-control:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.admin-form .btn-group {
    margin-top: 2rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .banner-content h1 {
        font-size: 2rem;
    }
    
    .banner-content p {
        font-size: 1rem;
    }
    
    .feature-item {
        flex: 0 0 100%;
    }
    
    .admin-nav {
        width: 100%;
        height: auto;
        position: relative;
        padding: 1rem 0;
    }
    
    .admin-content {
        margin-left: 0;
    }
}

@media (max-width: 576px) {
    .banner {
        height: 300px;
    }
    
    .banner-content h1 {
        font-size: 1.5rem;
    }
    
    .banner-content p {
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .page-subtitle {
        font-size: 1rem;
    }
}