html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', system-ui, sans-serif;
        }
        .hero-bg {
            /* 桌面游戏相关背景图 */
            background-image: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)), url('/static/upload/image/20251117/1763369059249270.jpg');
            background-size: cover;
            background-position: center;
        }
        .product-card:hover {
            transform: translateY(-8px);
        }
        /* 导航栏默认白色背景 */
        #navbar {
            background-color: rgba(255,255,255,0.95);
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
        }
        .nav-scrolled {
            background-color: rgba(255,255,255,0.98);
            box-shadow: 0 6px 10px -1px rgba(0,0,0,0.1);
        }
        
        /* Dropdown Menu Styles */
        .dropdown {
            position: relative;
            display: inline-block;
            padding: 0.5rem 0; /* 增加点击区域 */
        }
        .dropdown-content {
            display: none;
            position: absolute;
            background-color: white;
            min-width: 200px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            z-index: 100;
            border-radius: 4px;
            overflow: hidden;
            margin-top: 5px;
        }
        .dropdown-content a {
            color: #1e293b;
            padding: 12px 16px;
            text-decoration: none;
            display: block;
            transition: background-color 0.2s;
        }
        .dropdown-content a:hover {
            background-color: #f1f5f9;
            color: #1a56db;
        }
        .dropdown:hover .dropdown-content {
            display: block;
        }
        .dropdown-toggle {
            cursor: pointer;
            display: flex;
            align-items: center;
        }
        .dropdown-toggle i {
            margin-left: 5px;
            font-size: 0.8em;
            transition: transform 0.3s;
        }
        .dropdown:hover .dropdown-toggle i {
            transform: rotate(180deg);
        }
        
        /* FAQ Styles */
        .faq-item {
            border-bottom: 1px solid #e2e8f0;
            padding: 15px 0;
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-question i {
            transition: transform 0.3s;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding-top: 10px;
            color: #64748b;
        }
        .faq-answer.active {
            max-height: 500px;
            transition: max-height 0.6s ease-in;
        }
        .faq-question.active i {
            transform: rotate(180deg);
        }
        
        /* 图片动画效果 */
        .about-image {
            transition: all 0.5s ease-out;
            transform: translateY(0);
            opacity: 1;
        }
        .about-image:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        
        /* 图标悬停动画 */
        .feature-icon-container {
            transition: all 0.3s ease;
        }
        .feature-item:hover .feature-icon-container {
            transform: rotate(10deg) scale(1.1);
            background-color: rgba(26, 86, 219, 0.2);
        }
        .feature-icon {
            transition: all 0.3s ease;
        }
        .feature-item:hover .feature-icon {
            transform: rotate(-10deg);
        }
        
        /* 数字计数动画容器 */
        .counter-value {
            transition: all 0.3s ease;
        }

        /* 客户评价样式 */
        .testimonial-card {
            transition: all 0.4s ease;
            opacity: 0;
            transform: translateY(20px);
        }
        .testimonial-card.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .testimonial-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .testimonial-quote {
            position: relative;
        }
        .testimonial-quote::before {
            content: """;
            position: absolute;
            top: -20px;
            left: -10px;
            font-size: 6rem;
            color: rgba(26, 86, 219, 0.1);
            font-family: Georgia, serif;
            line-height: 1;
            z-index: 0;
        }
        .testimonial-content {
            position: relative;
            z-index: 1;
        }
        .rating-stars i {
            color: #f97316;
        }

        /* 案例展示样式 */
        .case-filters {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            justify-content: center;
            margin-bottom: 2rem;
        }
        .case-filter {
            padding: 0.5rem 1.25rem;
            border-radius: 2rem;
            background-color: #f1f5f9;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 500;
        }
        .case-filter.active {
            background-color: #1a56db;
            color: white;
        }
        .case-filter:hover:not(.active) {
            background-color: #e2e8f0;
        }
        .case-item {
            position: relative;
            overflow: hidden;
            border-radius: 0.75rem;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            transition: all 0.4s ease;
        }
        .case-item img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .case-item:hover img {
            transform: scale(1.1);
        }
        .case-info {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0,0,0,0.8));
            padding: 1.5rem 1rem 1rem;
            color: white;
            transform: translateY(20px);
            opacity: 0;
            transition: all 0.4s ease;
        }
        .case-item:hover .case-info {
            transform: translateY(0);
            opacity: 1;
        }
        .case-category {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.8);
            margin-bottom: 0.25rem;
        }
        .case-title {
            font-size: 1.25rem;
            font-weight: 600;
        }
		
/* ====================== PC 三级菜单 - 修复显示不全（3个都能显示）最终版 ====================== */
/* 核心：解除父容器裁剪 */
.dropdown-content {
  overflow: visible !important;
  clip-path: none !important;
}

/* 二级菜单定位基准 */
.dropdown-content .group {
  position: relative !important;
}

/* 悬浮显示三级 */
.dropdown-content .group:hover .dropdown-content3 {
  display: block !important;
  opacity: 1 !important;
  visibility: visible !important;
}

/* 三级菜单容器：包裹所有三级菜单项，解决只显示一个的问题 */
.dropdown-content3 {
  display: none !important;
  position: absolute !important;
  top: 0 !important;
  left: 100% !important;
  background: #fff !important;
  min-width: 200px !important;
  box-shadow: 0 8px 16px rgba(0,0,0,0.1) !important;
  z-index: 999999 !important;
  border-radius: 4px !important;
  margin-left: 2px !important;
  overflow: hidden !important;
}

/* 三级菜单内部链接 */
.dropdown-content3 a {
  display: block !important;
  padding: 12px 16px !important;
  color: #1e293b !important;
  text-decoration: none !important;
  white-space: nowrap !important;
}

/* hover 效果 */
.dropdown-content3 a:hover {
  background: #f1f5f9 !important;
  color: #1a56db !important;
}
 .testimonial-card {
            min-width: 420px;
            width: 420px;
            height: 320px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            margin-right: 24px;
        }
        
        .testimonial-card:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 12px 20px rgba(0,0,0,0.1);
        }
        
        .testimonial-container {
            overflow: hidden;
            position: relative;
            padding: 20px 60px;
            margin: 0 -20px;
        }
        
        .testimonial-track {
            display: flex;
            transition: transform 0.5s ease-in-out;
        }
        
        .testimonial-nav-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: white;
            border: 1px solid #e5e7eb;
            border-radius: 50%;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 10;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }
        
        .testimonial-nav-btn:hover {
            background: #3b82f6;
            color: white;
            border-color: #3b82f6;
        }
        
        .prev-btn {
            left: 20px;
        }
        
        .next-btn {
            right: 20px;
        }
        
        .testimonial-indicators {
            display: flex;
            justify-content: center;
            margin-top: 24px;
            gap: 8px;
        }
        
        .indicator {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #d1d5db;
            border: none;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        
        .indicator.active {
            background: #3b82f6;
        }