* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "PingFang SC", "Microsoft Yahei", sans-serif;
        }
        body {
            background-color: #f0f0f0;
            padding: 20px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        .category {
            margin-bottom: 10px;
        }
        .category-header {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }
        .icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 18px;
            margin-right: 10px;
        }
        .lang-icon {
            background-color: #4285f4;
        }
        .music-icon {
            background-color: #f59e0b;
        }
        .category-title {
            font-size: 18px;
            font-weight: bold;
        }
        .grid {
            display: grid;
            gap: 1px;
            background-color: #ddd;
        }
        .grid-item {
            background-color: white;
            padding: 10px;
            text-align: center;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .grid-item:hover {
            background-color: #e0e0e0;
        }

        /* 电脑端适配（8列） */
        @media (min-width: 1024px) {
            .grid {
                grid-template-columns: repeat(8, 1fr);
            }
        }

        /* 平板端适配（5-7列） */
        @media (min-width: 768px) and (max-width: 1023px) {
            .grid {
                grid-template-columns: repeat(6, 1fr);
            }
        }

        /* 手机端适配（4列） */
        @media (max-width: 767px) {
            .grid {
                grid-template-columns: repeat(4, 1fr);
            }
            .category-title {
                font-size: 18px;
            }
            .icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .grid-item {
                padding: 12px 0;
                font-size: 14px;
            }
        }