/* 移动端触摸优化 */
        .btn, .category-link, .mobile-menu-link {
            -webkit-tap-highlight-color: transparent;
            touch-action: manipulation;
        }
        
        /* 响应式图片 */
        img {
            max-width: 100%;
            height: auto;
        }
        
        /* 移动端导航优化 */
        @media (max-width: 768px) {
            .category-menu {
                position: sticky;
                top: 0;
                z-index: 1000;
                background: white;
                box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            }
            
            .mobile-menu {
                max-height: 80vh;
                overflow-y: auto;
                -webkit-overflow-scrolling: touch;
            }
            
            /* 业务卡片样式 */
            .business-card {
                background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
                border-radius: 15px;
                padding: 20px;
                color: white;
                margin-bottom: 20px;
                box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            }
            
            .app-feature-grid {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 15px;
                margin: 20px 0;
            }
            
            .feature-item {
                text-align: center;
                padding: 15px;
                background: #f8f9fa;
                border-radius: 10px;
                transition: transform 0.3s ease;
            }
            
            .feature-item:hover {
                transform: translateY(-5px);
            }
        }
        
        /* 业务特色样式 */
        .business-highlight {
            background: #f8f9fa;
            border-left: 4px solid #007bff;
            padding: 15px;
            margin: 15px 0;
            border-radius: 0 8px 8px 0;
        }
        
        /* 应用下载按钮 */
        .app-download-buttons {
            display: flex;
            gap: 10px;
            margin: 20px 0;
            flex-wrap: wrap;
        }
        
        .download-btn {
            flex: 1;
            min-width: 140px;
            padding: 12px 20px;
            border-radius: 25px;
            text-align: center;
            font-weight: bold;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .app-store {
            background: #000;
            color: white;
        }
        
        .google-play {
            background: #4285f4;
            color: white;
        }
        
        /* 加载优化 */
        .lazy-load {
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .lazy-load.loaded {
            opacity: 1;
        }
        /* 核心功能区块样式 */
.features-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

    .features-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: linear-gradient(90deg, #007bff, #28a745, #ffc107, #dc3545);
    }
    
    .features-section .container {
        position: relative;
        z-index: 1;
    }
    
    .features-section h2 {
        font-size: 2.5rem;
        font-weight: 700;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        margin-bottom: 1rem;
    }
    
    .features-section .text-muted {
        font-size: 1.1rem;
        color: #6c757d !important;
    }
    
    /* 功能网格布局 */
    .app-feature-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 2rem;
        margin-top: 3rem;
    }
    
    /* 功能项样式 */
    .feature-item {
        background: white;
        padding: 2.5rem 1.5rem;
        border-radius: 20px;
        text-align: center;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        border: 1px solid rgba(255, 255, 255, 0.2);
        position: relative;
        overflow: hidden;
    }
    
    .feature-item::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
        transition: left 0.6s;
    }
    
    .feature-item:hover::before {
        left: 100%;
    }
    
    .feature-item:hover {
        transform: translateY(-10px) scale(1.02);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    }
    
    /* 图标样式 */
    .feature-item i {
        display: inline-block;
        margin-bottom: 1.5rem;
        transition: all 0.3s ease;
        position: relative;
    }
    
    .feature-item:hover i {
        transform: scale(1.2) rotate(5deg);
    }
    
    /* 图标背景效果 */
    .feature-item i::before {
        background: linear-gradient(135deg, currentColor 0%, rgba(255, 255, 255, 0.8) 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    /* 标题样式 */
    .feature-item h5 {
        font-size: 1.25rem;
        font-weight: 600;
        margin-bottom: 1rem;
        color: #2c3e50;
        position: relative;
    }
    
    .feature-item h5::after {
        content: '';
        position: absolute;
        bottom: -8px;
        left: 50%;
        transform: translateX(-50%);
        width: 40px;
        height: 3px;
        background: linear-gradient(90deg, currentColor, transparent);
        border-radius: 2px;
        opacity: 0.7;
    }
    
    /* 描述文本样式 */
    .feature-item .text-muted {
        font-size: 0.95rem;
        line-height: 1.6;
        color: #6c757d !important;
        margin-bottom: 0;
    }
    
    /* 响应式设计 */
    @media (max-width: 768px) {
        .features-section h2 {
            font-size: 2rem;
        }
        
        .app-feature-grid {
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        
        .feature-item {
            padding: 2rem 1rem;
        }
        
        .feature-item h5 {
            font-size: 1.1rem;
        }
    }
    
    @media (min-width: 992px) {
        .app-feature-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    
    @media (min-width: 1200px) {
        .app-feature-grid {
            grid-template-columns: repeat(4, 1fr);
        }
    }
    
    /* 动画效果 */
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .feature-item {
        animation: fadeInUp 0.6s ease-out;
    }
    
    .feature-item:nth-child(1) { animation-delay: 0.1s; }
    .feature-item:nth-child(2) { animation-delay: 0.2s; }
    .feature-item:nth-child(3) { animation-delay: 0.3s; }
    .feature-item:nth-child(4) { animation-delay: 0.4s; }
    
    /* 悬停特效增强 */
    .feature-item {
        position: relative;
    }
    
    .feature-item::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
        opacity: 0;
        transition: opacity 0.3s ease;
        border-radius: 20px;
    }
    
    .feature-item:hover::after {
        opacity: 1;
    }
    
    /* 图标容器样式 */
    .feature-item i {
        width: 80px;
        height: 80px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 1.5rem;
        border-radius: 50%;
        background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
    
    /* 颜色主题对应 */
    .feature-item:nth-child(1) i {
        color: #007bff;
        background: linear-gradient(135deg, #007bff20 0%, #007bff10 100%);
    }
    
    .feature-item:nth-child(2) i {
        color: #28a745;
        background: linear-gradient(135deg, #28a74520 0%, #28a74510 100%);
    }
    
    .feature-item:nth-child(3) i {
        color: #ffc107;
        background: linear-gradient(135deg, #ffc10720 0%, #ffc10710 100%);
    }
    
    .feature-item:nth-child(4) i {
        color: #dc3545;
        background: linear-gradient(135deg, #dc354520 0%, #dc354510 100%);
    }
    
    /* 打印样式 */
    @media print {
        .features-section {
            background: white !important;
        }
        
        .feature-item {
            box-shadow: none;
            border: 1px solid #ddd;
        }
    }
    /* 业务英雄区块样式 */
    .business-hero {
        position: relative;
        overflow: hidden;
        min-height: 600px;
        display: flex;
        align-items: center;
    }
    
    .business-hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,1000 1000,0 1000,1000"/></svg>');
        background-size: cover;
    }
    
    .business-hero .container {
        position: relative;
        z-index: 2;
    }
    
    /* 标题样式 */
    .business-hero h1 {
        font-size: 3.5rem;
        font-weight: 800;
        line-height: 1.2;
        margin-bottom: 1.5rem;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        background: linear-gradient(45deg, #fff, #f8f9fa);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        animation: titleGlow 3s ease-in-out infinite alternate;
    }
    
    @keyframes titleGlow {
        from {
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        to {
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5), 0 0 20px rgba(255, 255, 255, 0.3);
        }
    }
    
    /* 副标题样式 */
    .business-hero .lead {
        font-size: 1.4rem;
        margin-bottom: 2.5rem;
        opacity: 0.9;
        line-height: 1.6;
        max-width: 90%;
    }
    
    /* 应用下载按钮区域 */
    .app-download-buttons {
        display: flex;
        gap: 1rem;
        margin-top: 2rem;
        flex-wrap: wrap;
    }
    
    /* 下载按钮基础样式 */
    .download-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 1rem 2rem;
        border-radius: 50px;
        text-decoration: none;
        font-weight: 600;
        font-size: 1.1rem;
        transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        min-width: 180px;
        border: 2px solid transparent;
        position: relative;
        overflow: hidden;
    }
    
    .download-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 0.6s;
    }
    
    .download-btn:hover::before {
        left: 100%;
    }
    
    .download-btn:hover {
        transform: translateY(-3px) scale(1.05);
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    }
    
    /* App Store 按钮样式 */
    .app-store {
        background: linear-gradient(135deg, #000000 0%, #2c3e50 100%);
        color: white;
        border: 2px solid rgba(255, 255, 255, 0.3);
    }
    
    .app-store:hover {
        background: linear-gradient(135deg, #2c3e50 0%, #000000 100%);
        border-color: rgba(255, 255, 255, 0.5);
    }
    
    /* Google Play 按钮样式 */
    .google-play {
        background: linear-gradient(135deg, #4285f4 0%, #34a853 100%);
        color: white;
        border: 2px solid rgba(255, 255, 255, 0.3);
    }
    
    .google-play:hover {
        background: linear-gradient(135deg, #34a853 0%, #4285f4 100%);
        border-color: rgba(255, 255, 255, 0.5);
    }
    
    /* 按钮图标样式 */
    .download-btn i {
        font-size: 1.5rem;
        margin-right: 0.8rem;
        transition: transform 0.3s ease;
    }
    
    .download-btn:hover i {
        transform: scale(1.2);
    }
    
    /* 图片样式 */
    .business-hero img {
        max-width: 100%;
        height: auto;
        transition: all 0.5s ease;
        animation: float 3s ease-in-out infinite;
        filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.4));
    }
    
    @keyframes float {
        0%, 100% {
            transform: translateY(0px);
        }
        50% {
            transform: translateY(-10px);
        }
    }
    
    .business-hero img:hover {
        transform: scale(1.05) rotate(2deg);
        filter: drop-shadow(0 25px 40px rgba(0, 0, 0, 0.5));
    }
    
    /* 响应式设计 */
    @media (max-width: 768px) {
        .business-hero {
            min-height: 500px;
            text-align: center;
            padding: 3rem 0;
        }
        
        .business-hero h1 {
            font-size: 2.5rem;
        }
        
        .business-hero .lead {
            font-size: 1.2rem;
            max-width: 100%;
        }
        
        .app-download-buttons {
            justify-content: center;
        }
        
        .download-btn {
            min-width: 160px;
            padding: 0.8rem 1.5rem;
            font-size: 1rem;
        }
        
        .business-hero .row {
            flex-direction: column-reverse;
        }
        
        .business-hero .col-lg-6:last-child {
            margin-bottom: 2rem;
        }
    }
    
    @media (max-width: 576px) {
        .business-hero h1 {
            font-size: 2rem;
        }
        
        .business-hero .lead {
            font-size: 1.1rem;
        }
        
        .app-download-buttons {
            flex-direction: column;
            align-items: center;
        }
        
        .download-btn {
            width: 100%;
            max-width: 250px;
        }
    }
    
    /* 平板端优化 */
    @media (min-width: 769px) and (max-width: 1024px) {
        .business-hero h1 {
            font-size: 3rem;
        }
        
        .download-btn {
            min-width: 170px;
            padding: 0.9rem 1.8rem;
        }
    }
    
    /* 动画效果 */
    .business-hero .col-lg-6:first-child {
        animation: slideInLeft 1s ease-out;
    }
    
    .business-hero .col-lg-6:last-child {
        animation: slideInRight 1s ease-out;
    }
    
    @keyframes slideInLeft {
        from {
            opacity: 0;
            transform: translateX(-50px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }
    
    @keyframes slideInRight {
        from {
            opacity: 0;
            transform: translateX(50px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }
    
    /* 加载优化 */
    .business-hero img {
        opacity: 0;
        transition: opacity 0.5s ease;
    }
    
    .business-hero img.loaded {
        opacity: 1;
    }
    
    /* 性能优化 */
    .business-hero {
        will-change: transform;
    }
    
    .download-btn {
        will-change: transform;
    }
    
    /* 无障碍访问优化 */
    .download-btn:focus {
        outline: 3px solid rgba(255, 255, 255, 0.5);
        outline-offset: 2px;
    }
    
    /* 打印样式 */
    @media print {
        .business-hero {
            background: white !important;
            color: black !important;
            min-height: auto;
        }
        
        .business-hero h1 {
            background: none;
            -webkit-text-fill-color: black;
            color: black;
            text-shadow: none;
        }
        
        .download-btn {
            background: #f8f9fa !important;
            color: black !important;
            border: 1px solid #ddd !important;
        }
        
        .app-download-buttons {
            page-break-inside: avoid;
        }
    }
    /* 快速操作区域样式 */
.quick-actions .card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    overflow: hidden;
}

.quick-actions .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.quick-actions .card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    border: none;
    padding: 1rem 1.25rem;
    position: relative;
}

.quick-actions .card-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
}

.quick-actions .card-header h6 {
    font-weight: 600;
    font-size: 1rem;
}

.quick-actions .card-header i {
    margin-right: 0.5rem;
    font-size: 1.1rem;
}

.quick-actions .card-body {
    padding: 1.5rem;
}

.quick-actions .d-grid {
    gap: 0.75rem;
}

.quick-actions .btn {
    padding: 0.75rem 1rem;
    border-radius: 10px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border-width: 2px;
    position: relative;
    overflow: hidden;
}

.quick-actions .btn::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 0.5s;
}

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

.quick-actions .btn-outline-primary {
    border-color: #667eea;
    color: #667eea;
}

.quick-actions .btn-outline-primary:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: transparent;
    color: white;
    transform: translateY(-2px);
}

.quick-actions .btn-outline-success {
    border-color: #28a745;
    color: #28a745;
}

.quick-actions .btn-outline-success:hover {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    border-color: transparent;
    color: white;
    transform: translateY(-2px);
}

.quick-actions .btn-outline-info {
    border-color: #17a2b8;
    color: #17a2b8;
}

.quick-actions .btn-outline-info:hover {
    background: linear-gradient(135deg, #17a2b8 0%, #6f42c1 100%);
    border-color: transparent;
    color: white;
    transform: translateY(-2px);
}

/* 数据统计区域样式 */
.stats-widget .card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.stats-widget .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.stats-widget .card-header {
    background: transparent !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1rem 1.25rem;
}

.stats-widget .card-header h6 {
    font-weight: 600;
    color: #2c3e50;
    margin: 0;
}

.stats-widget .card-header i {
    color: #667eea;
    margin-right: 0.5rem;
}

.stats-widget .card-body {
    padding: 1.5rem;
}

.stats-widget .row {
    margin: 0 -0.5rem;
}

.stats-widget .col-4 {
    padding: 0 0.5rem;
}

.stats-widget h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, currentColor 0%, rgba(255,255,255,0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-widget small {
    font-size: 0.8rem;
    color: #6c757d;
    font-weight: 500;
}

.stats-widget .text-primary {
    color: #667eea !important;
}

.stats-widget .text-success {
    color: #28a745 !important;
}

.stats-widget .text-warning {
    color: #ffc107 !important;
}

/* 分类列表区域样式 */
.category-list-area .card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.category-list-area .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.category-list-area .card-header {
    background: transparent !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1rem 1.25rem;
}

.category-list-area .card-header h6 {
    font-weight: 600;
    color: #2c3e50;
    margin: 0;
}

.category-list-area .card-header i {
    color: #667eea;
    margin-right: 0.5rem;
}

.category-list-area .card-body {
    padding: 1rem;
}

.category-list-area .category-list-s {
    list-style: none;
    padding: 0;
    margin: 0;
}

.category-list-area .category-list-s li {
    margin-bottom: 0.5rem;
}

.category-list-area .inner-category-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    text-decoration: none;
    color: #495057;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: #f8f9fa;
    border: 1px solid transparent;
}

.category-list-area .inner-category-link:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateX(5px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.category-list-area .inner-category-link span:first-child {
    font-weight: 500;
    flex: 1;
}

.category-list-area .inner-category-link .badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: all 0.3s ease;
}

.category-list-area .inner-category-link:hover .badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.quick-actions, .stats-widget, .category-list-area {
    animation: fadeInUp 0.6s ease-out;
}

.quick-actions { animation-delay: 0.1s; }
.stats-widget { animation-delay: 0.2s; }
.category-list-area { animation-delay: 0.3s; }

/* 悬停特效增强 */
.quick-actions .card,
.stats-widget .card,
.category-list-area .card {
    position: relative;
    overflow: hidden;
}

.quick-actions .card::before,
.stats-widget .card::before,
.category-list-area .card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.quick-actions .card:hover::before,
.stats-widget .card:hover::before,
.category-list-area .card:hover::before {
    opacity: 1;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .quick-actions .card-body,
    .stats-widget .card-body,
    .category-list-area .card-body {
        padding: 1rem;
    }
    
    .stats-widget h4 {
        font-size: 1.25rem;
    }
    
    .quick-actions .btn {
        padding: 0.6rem 0.8rem;
        font-size: 0.85rem;
    }
    
    .category-list-area .inner-category-link {
        padding: 0.6rem 0.8rem;
    }
}

/* 性能优化 */
.quick-actions .card,
.stats-widget .card,
.category-list-area .card {
    will-change: transform;
}

/* 无障碍访问优化 */
.quick-actions .btn:focus,
.category-list-area .inner-category-link:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* 打印样式 */
@media print {
    .quick-actions .card,
    .stats-widget .card,
    .category-list-area .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .quick-actions .btn {
        border: 1px solid #333 !important;
        background: white !important;
        color: black !important;
    }
}
/* 头部导航容器样式 */
.header-wrapper {
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* 导航主容器 */
.navigation {
    position: relative;
}

/* 主头部区域 */
.main-head {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.main-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    position: relative;
}

/* 移动端菜单按钮 */
.hamburg-menu {
    display: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.hamburg-menu:hover {
    background: rgba(102, 126, 234, 0.1);
}

.hamburg-menu i {
    font-size: 1.5rem;
    color: #667eea;
}

/* 移动端菜单 */
.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 300px;
    height: 100vh;
    background: white;
    box-shadow: 5px 0 20px rgba(0, 0, 0, 0.1);
    transition: left 0.3s ease;
    z-index: 1001;
    overflow-y: auto;
}

.mobile-menu.active {
    left: 0;
    z-index:2000;
}

.close-menu {
    padding: 1rem;
    text-align: right;
    border-bottom: 1px solid #eee;
    cursor: pointer;
}

.close-menu i {
    font-size: 1.5rem;
    color: #666;
    transition: color 0.3s ease;
}

.close-menu:hover i {
    color: #667eea;
}

.mobile-menu-ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu-ul li {
    border-bottom: 1px solid #f5f5f5;
}

.mobile-menu-link {
    display: block;
    padding: 1rem 1.5rem;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.mobile-menu-link:hover,
.mobile-menu-link.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding-left: 2rem;
}

.mobile-menu-link:hover::before,
.mobile-menu-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: rgba(255, 255, 255, 0.8);
}

/* 子菜单样式 */
.has-menu-item {
    position: relative;
}

.sub-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    background: #f8f9fa;
    display: none;
}

.has-menu-item:hover .sub-menu {
    display: block;
}

.sub-menu li {
    border-bottom: 1px solid #e9ecef;
}

.sub-menu .mobile-menu-link {
    padding-left: 2.5rem;
    font-size: 0.9rem;
    color: #666;
}

.sub-menu .mobile-menu-link:hover {
    background: #667eea;
    color: white;
}

/* Logo区域 */
.logo-area {
    flex: 0 0 auto;
}

.logo-link {
    display: inline-block;
    transition: transform 0.3s ease;
}

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

.logo {
    max-height: 50px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

/* 搜索区域 */
.search-area {
    flex: 0 0 300px;
}

.search-form {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input {
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 25px;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
}

.search-input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    outline: none;
}

.icon-btn {
    position: absolute;
    right: 5px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.icon-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.icon-btn i {
    color: white;
    font-size: 1.1rem;
}

/* 分类菜单区域 */
.category-menu {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(102, 126, 234, 0.1);
}

.category-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

.category-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.category-list li {
    position: relative;
}

.category-link {
    display: block;
    padding: 0.75rem 0;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
}

.category-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

.category-link:hover,
.category-link.active {
    color: #667eea;
}

.category-link:hover::after,
.category-link.active::after {
    width: 100%;
}

.category-link.active {
    font-weight: 600;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburg-menu {
        display: block;
    }
    
    .main-header {
        padding: 0.5rem 0;
    }
    
    .logo {
        max-height: 40px;
    }
    
    .search-area {
        flex: 0 0 200px;
    }
    
    .search-input {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
    
    .icon-btn {
        width: 35px;
        height: 35px;
    }
    
    .category-nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    .category-list {
        flex-wrap: wrap;
        gap: 1rem;
        justify-content: center;
    }
    
    .category-link {
        font-size: 0.9rem;
        padding: 0.5rem 0;
    }
    
    .mobile-menu {
        width: 280px;
    }
}

@media (max-width: 576px) {
    .search-area {
        flex: 0 0 150px;
    }
    
    .search-input {
        font-size: 0.8rem;
    }
    
    .category-list {
        gap: 0.5rem;
    }
    
    .category-link {
        font-size: 0.85rem;
    }
}

/* 动画效果 */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.main-head,
.category-menu {
    animation: slideDown 0.5s ease-out;
}

/* 悬停特效 */
.category-link {
    position: relative;
    overflow: hidden;
}

.category-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s;
}

.category-link:hover::before {
    left: 100%;
}

/* 性能优化 */
.header-wrapper {
    will-change: transform;
}

.category-link,
.mobile-menu-link {
    will-change: transform, color;
}

/* 无障碍访问优化 */
.category-link:focus,
.mobile-menu-link:focus,
.search-input:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* 打印样式 */
@media print {
    .header-wrapper {
        background: white !important;
        position: static;
    }
    
    .hamburg-menu,
    .mobile-menu {
        display: none;
    }
    
    .category-link {
        color: black !important;
    }
    
    .category-link::after {
        background: black;
    }
}
/* 页脚基础样式 */
footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #e74c3c, #3498db, #2ecc71, #f39c12);
}

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

/* 页脚内容布局 */
footer .row {
    margin: 0 -15px;
}

footer [class*="col-"] {
    padding: 0 15px;
}

/* Logo区域样式 */
footer img {
    transition: all 0.3s ease;
    filter: brightness(0) invert(1);
}

footer img:hover {
    transform: scale(1.05);
    filter: brightness(0) invert(1) drop-shadow(0 5px 15px rgba(255, 255, 255, 0.3));
}

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

/* 社交媒体链接 */
.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: white !important;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.social-links a:hover {
    background: linear-gradient(135deg, #3498db, #2ecc71);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.3);
}

.social-links i {
    font-size: 1.2rem;
}

/* 标题样式 */
footer h6 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: white;
    position: relative;
    padding-bottom: 0.5rem;
}

footer h6::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, #3498db, #2ecc71);
    border-radius: 1px;
}

/* 链接列表样式 */
footer .list-unstyled {
    list-style: none;
    padding: 0;
    margin: 0;
}

footer .list-unstyled li {
    margin-bottom: 0.8rem;
}

footer .list-unstyled a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    display: block;
    padding: 0.3rem 0;
    border-left: 2px solid transparent;
    padding-left: 0.5rem;
}

footer .list-unstyled a:hover {
    color: white;
    padding-left: 1rem;
    border-left-color: #3498db;
    background: rgba(255, 255, 255, 0.05);
}

/* 联系方式样式 */
footer .list-unstyled li {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

footer .list-unstyled i {
    margin-right: 0.8rem;
    width: 20px;
    text-align: center;
    color: #3498db;
    font-size: 1.1rem;
}

/* 应用下载按钮 */
.app-download-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.5rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.download-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;
}

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

.app-store {
    background: linear-gradient(135deg, #000000 0%, #2d3436 100%);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.app-store:hover {
    background: linear-gradient(135deg, #2d3436 0%, #000000 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.google-play {
    background: linear-gradient(135deg, #4285f4 0%, #34a853 100%);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.google-play:hover {
    background: linear-gradient(135deg, #34a853 0%, #4285f4 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(66, 133, 244, 0.3);
}

.download-btn i {
    margin-right: 0.5rem;
    font-size: 1.3rem;
}

/* 版权区域 */
footer .border-top {
    border-color: rgba(255, 255, 255, 0.1) !important;
}

footer .text-center p {
    margin: 0;
    opacity: 0.7;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    footer .py-5 {
        padding: 3rem 0 !important;
    }
    
    footer .mb-4 {
        margin-bottom: 2rem !important;
    }
    
    .social-links {
        justify-content: center;
        margin-top: 1rem;
    }
    
    .app-download-buttons {
        flex-direction: row;
        justify-content: center;
    }
    
    .download-btn {
        flex: 1;
        min-width: 140px;
        padding: 0.7rem 1rem;
        font-size: 0.9rem;
    }
    
    footer h6 {
        text-align: center;
    }
    
    footer h6::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 576px) {
    .app-download-buttons {
        /*flex-direction: column;*/
    }
    
    .download-btn {
        width: 100%;
    }
    
    .social-links {
        gap: 0.5rem;
    }
    
    .social-links a {
        width: 35px;
        height: 35px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

footer .row > div {
    animation: fadeInUp 0.6s ease-out;
}

footer .row > div:nth-child(1) { animation-delay: 0.1s; }
footer .row > div:nth-child(2) { animation-delay: 0.2s; }
footer .row > div:nth-child(3) { animation-delay: 0.3s; }
footer .row > div:nth-child(4) { animation-delay: 0.4s; }

/* 悬停特效 */
footer a {
    position: relative;
    overflow: hidden;
}

/* 性能优化 */
footer {
    will-change: transform;
}

footer a, footer .download-btn {
    will-change: transform, background-color;
}

/* 无障碍访问优化 */
footer a:focus {
    outline: 2px solid #3498db;
    outline-offset: 2px;
    border-radius: 3px;
}

/* 打印样式 */
@media print {
    footer {
        background: white !important;
        color: black !important;
    }
    
    footer h6 {
        color: black !important;
    }
    
    footer .list-unstyled a {
        color: #333 !important;
    }
    
    .social-links,
    .download-btn {
        display: none !important;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    footer {
        background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    }
}

/* 加载优化 */
footer img {
    opacity: 0;
    transition: opacity 0.5s ease;
}

footer img.loaded {
    opacity: 1;
}