   /* 基本字体和背景设置 */
        body {
            font-family: 'Inter', sans-serif;
            @apply bg-slate-50 text-slate-800 antialiased;
        }
        /* 浮动下载按钮的样式 */
        .floating-download-btn {
            background: linear-gradient(135deg, #FF6B6B 0%, #FFB6C1 100%);
            box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
            animation: pulse-download 2s infinite ease-in-out; /* 新增脉冲动画 */
        }
        @keyframes pulse-download {
            0% { transform: scale(1); box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4); }
            50% { transform: scale(1.05); box-shadow: 0 6px 20px rgba(255, 107, 107, 0.6); }
            100% { transform: scale(1); box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4); }
        }
        /* 特色卡片的悬停效果 */
        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
        }
        /* 图片预览弹窗的样式 */
        .modal {
            background-color: rgba(0, 0, 0, 0.9);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
        }
        .modal.visible {
            opacity: 1;
            visibility: visible;
        }
        .modal-content {
            max-width: 90%;
            max-height: 90vh;
            border-radius: 1rem;
            box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
        }