:root {
            --primary-dark: #0d2b21;
            --primary: #10362c;
            --primary-light: #79a391;
            --secondary: #4b6cb7;
            --accent: #7a4f9d;
            --clone-color: #10362c;
            --scan-color: #4b6cb7;
            --cleaner-color: #7a4f9d;
            --transition-speed: 0.5s;
        }

        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            color: #333;
            background-color: #f8f9fa;
            overflow-x: hidden;
        }

        /* 导航栏样式 */
        .navbar {
            background: rgba(13, 43, 33, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 15px rgba(0,0,0,0.2);
            padding: 15px 0;
            transition: background var(--transition-speed) ease;
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: white;
            display: flex;
            align-items: center;
        }

        .navbar-brand i {
            margin-right: 10px;
        }

        .nav-link {
            color: rgba(255,255,255,0.85) !important;
            font-weight: 500;
            margin: 0 8px;
            padding: 8px 15px !important;
            border-radius: 20px;
            transition: all 0.3s ease;
        }

        .nav-link:hover, .nav-link.active {
            background: rgba(255,255,255,0.15);
            color: white !important;
        }

        /* 动态顶部背景 */
        .dynamic-header {
            padding: 100px 0 70px;
            color: white;
            position: relative;
            overflow: hidden;
            transition: background var(--transition-speed) ease;
        }

        .clone-bg {
            background: linear-gradient(135deg, var(--clone-color), var(--primary-dark)) !important;
        }
        .scan-bg {
            background: linear-gradient(135deg, var(--scan-color), #2c3e50) !important;
        }
        .cleaner-bg {
            background: linear-gradient(135deg, var(--cleaner-color), #4a235a) !important;
        }

        /* 动态主题样式 - 页脚 */
        .footer-clone {
            background: linear-gradient(135deg, var(--clone-color), var(--primary-dark)) !important;
        }
        .footer-scan {
            background: linear-gradient(135deg, var(--scan-color), #2c3e50) !important;
        }
        .footer-cleaner {
            background: linear-gradient(135deg, var(--cleaner-color), #4a235a) !important;
        }
        
        /* 应用卡片 */
        .app-card {
            border-radius: 16px;
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            box-shadow: 0 12px 30px rgba(0,0,0,0.1);
            height: 100%;
            position: relative;
            border: none;
        }

        .app-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.2);
        }

        .app-card-header {
            padding: 25px 25px 20px;
            color: white;
            position: relative;
        }

        .app-card-body {
            padding: 25px;
            background: white;
        }

        .app-icon {
            width: 70px;
            height: 70px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.8rem;
            color: white;
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
        }

        .app-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            background: rgba(255,255,255,0.2);
            backdrop-filter: blur(5px);
            color: white;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .clone-badge {
            background: rgba(121, 163, 145, 0.4);
        }

        .scan-badge {
            background: rgba(108, 99, 255, 0.4);
        }

        .cleaner-badge {
            background: rgba(162, 92, 171, 0.4);
        }

        /* 应用选择器 */
        .app-selector {
            margin: 40px 0;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .app-btn {
            padding: 14px 28px;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s;
            border: 2px solid;
            display: flex;
            align-items: center;
            background: white;
        }

        .app-btn i {
            margin-right: 8px;
            font-size: 1.2rem;
        }

        .app-btn.active {
            transform: scale(1.05);
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }

        .btn-clone {
            color: var(--clone-color);
            border-color: var(--clone-color);
        }

        .btn-clone.active {
            background: var(--clone-color);
            color: white;
        }

        .btn-scan {
            color: var(--scan-color);
            border-color: var(--scan-color);
        }

        .btn-scan.active {
            background: var(--scan-color);
            color: white;
        }

        .btn-cleaner {
            color: var(--cleaner-color);
            border-color: var(--cleaner-color);
        }

        .btn-cleaner.active {
            background: var(--cleaner-color);
            color: white;
        }

        /* 轮播图样式 */
        .screenshot-section {
            background: linear-gradient(to bottom, #f0f8ff, #ffffff);
            padding: 80px 0;
            position: relative;
        }

        .screenshot-container {
            max-width: 1000px;
            margin: 0 auto;
            padding: 0 15px;
        }

        .screenshot-carousel {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0,0,0,0.2);
        }

        .screenshot-carousel img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* 下载区域 */
        .download-section {
            padding: 90px 0;
            background: linear-gradient(to bottom, #ffffff, #f0f7ff);
        }

    /* 下载区标题 & 文字 */
#download, #download h2, #download p {
  color: #fff !important; /* 始终白色 */
}

/* 下载按钮基础样式 */
.download-btns a {
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  display: inline-block;
  text-decoration: none;
  transition: background 0.3s ease;
}

/* 按主题变化颜色 */
.download-btns.clone-btn a {
  background-color: #10362c; /* 深绿 */
}
.download-btns.scan-btn a {
  background-color: #182848; /* 深蓝 */
}
.download-btns.cleaner-btn a {
  background-color: #7a4f9d; /* 紫色 */
}


        /* 页脚样式 */
        footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.7);
            padding: 40px 0 20px;
        }

        .footer-links a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            margin: 0 10px;
            transition: all 0.3s;
        }

        .footer-links a:hover {
            color: white;
        }

        /* 动画效果 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .animate-fade-in-up {
            animation: fadeInUp 0.8s ease-out forwards;
        }
        
        .feature-list {
            padding-left: 0;
            list-style-type: none;
        }
        
        .feature-list li {
            margin-bottom: 15px;
            padding-left: 30px;
            position: relative;
            font-size: 1.05rem;
        }
        
        .feature-list li:before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 0;
            width: 24px;
            height: 24px;
            background: rgba(16, 54, 44, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--primary);
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .hero-section h1 {
                font-size: 2.8rem;
            }
            
            .app-card {
                margin-bottom: 30px;
            }
        }

        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.4rem;
            }
            
            .app-btn {
                padding: 12px 20px;
                font-size: 0.95rem;
            }
            
            .download-btn {
                padding: 14px 25px;
                font-size: 1rem;
            }
        }

        @media (max-width: 576px) {
            .app-selector {
                flex-direction: column;
                align-items: center;
            }
            
            .app-btn {
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }
        }
   
        /* 添加导航栏主题样式 */
        .navbar-clone {
            background: linear-gradient(135deg, var(--clone-color), var(--primary-dark)) !important;
        }
        .navbar-scan {
            background: linear-gradient(135deg, var(--scan-color), #2c3e50) !important;
        }
        .navbar-cleaner {
            background: linear-gradient(135deg, var(--cleaner-color), #4a235a) !important;
        }
        
        /* 敬请期待样式 */
        .coming-soon {
            opacity: 0.6;
            pointer-events: none;
        }
        
        .coming-soon-badge {
            background: rgba(150, 150, 150, 0.4) !important;
        }
        
        .coming-soon-card {
            position: relative;
        }
        
        .coming-soon-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.7);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10;
            font-size: 1.5rem;
            font-weight: bold;
            color: #333;
        }