        /* 通用样式 */
        body {
            margin: 0;
            padding: 0;
            font-family: Arial, sans-serif;
            background-color: #f5f5f5;
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
            color: #333;
            height: 100vh;
        }

        .container {
            text-align: center;
            width: 100%;
            max-width: 800px;
            margin-bottom: 60px; /* 为固定页脚留出空间 */
        }
.custom-input::placeholder {
    transition: opacity 0.3s ease; /* 添加过渡效果 */
    opacity: 1; /* 默认显示 */
}

.custom-input:focus::placeholder {
    opacity: 0; /* 当输入框获得焦点时隐藏文字 */
}
        /* LOGO */
        .logo img {
            width: 80px;
            height: 80px;
            margin-bottom: 20px;
        }

        /* 搜索框 */
        .search-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: white;
            border-radius: 50px;
            padding: 10px 20px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            margin-bottom: 30px;
        }

        .search-bar img {
            width: 24px;
            height: 24px;
            margin-right: 10px;
        }

        .search-bar input {
            border: none;
            outline: none;
            font-size: 14px;
            flex: 1;
        }

        .search-bar button {
            border: none;
            background-color: #0078d7;
            color: white;
            font-size: 14px;
            padding: 5px 15px;
            border-radius: 20px;
            cursor: pointer;
        }

        .search-bar button:hover {
            background-color: #005bb5;
        }

        /* 页脚 */
        .footer {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            text-align: center;
            padding: 10px 0;
            background-color: #f5f5f5;
            font-size: 12px;
            color: #666;
            line-height: 1.5;
            z-index: 1000;
        }

        .quick-div {
            margin: 0 auto;
            width: 100%;
            justify-content: left;
            overflow: hidden;
        }

        .quick {
            width: 17%;
            height: 40px;
            margin: 5px 3px;
            float: left;
            background: #fdfdfd;
            font-size: 16px;
            color: #777;
            text-overflow: ellipsis;
            overflow: hidden;
            white-space: nowrap;
            line-height: 40px;
            text-align: center;
            text-indent: 30px;
            position: relative;
            border-radius: 20px;
            cursor: pointer;
        }

        .quick i {
            position: absolute;
            display: block;
            width: 40px;
            height: 40px;
            left: 0;
            border-radius: 50%;
            background-size: cover;
            background-repeat: no-repeat;
            background-position: center;
            transform: scale(0.7);
        }

        .quick:active {
            background: #fff;
            box-shadow: 0 1px 20px 0 rgba(0, 0, 0, .1);
        }

        /* 通用样式 */
        a {
            text-decoration: none; /* 去掉下划线 */
            color: inherit; /* 继承父元素的颜色 */
        }

        a:hover {
            text-decoration: none; /* 鼠标悬停时也不显示下划线 */
            color: inherit; /* 鼠标悬停时保持颜色不变 */
        }
.footer-text {
    font-size: 12px;
    color: #666;
    line-height: 1.5;
}
        /* 通用样式 */
        body {
            margin: 0;
            padding: 0;
            font-family: Arial, sans-serif;
            background-color: #f5f5f5;
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
            color: #333;
            height: 100vh;
        }

        .container {
            text-align: center;
            width: 100%;
            max-width: 800px;
            margin-bottom: 60px;
        }

        /* 搜索框样式 */
        .search-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: white;
            border-radius: 50px;
            padding: 10px 20px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            margin-bottom: 30px;
            position: relative;
        }

        .search-bar img {
            width: 24px;
            height: 24px;
            margin-right: 10px;
            cursor: pointer;
        }

        .search-bar input {
            border: none;
            outline: none;
            font-size: 14px;
            flex: 1;
        }

        .search-bar button {
            border: none;
            background-color: #0078d7;
            color: white;
            font-size: 14px;
            padding: 5px 15px;
            border-radius: 20px;
            cursor: pointer;
        }

        .search-bar button:hover {
            background-color: #005bb5;
        }

/* 搜索引擎选择器样式 */
.search-engine-selector {
    display: flex;
    justify-content: space-around;
    align-items: center;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 10px;
    margin-top: 10px;
    position: absolute; /* 改为绝对定位 */
    top: 100%; /* 定位到输入框的下方 */
    left: 0;
    right: 0;
    z-index: 1000; /* 确保在其他元素之上 */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.search-engine-selector.active {
    opacity: 1;
    visibility: visible;
}

        .search-engine-option {
            display: flex;
            flex-direction: column;
            align-items: center;
            cursor: pointer;
        }

        .search-engine-option img {
            width: 32px;
            height: 32px;
            margin-bottom: 5px;
        }

        .search-engine-option span {
            font-size: 12px;
            color: #333;
        }

        .footer {
            font-size: 12px;
            color: #666;
            text-align: center;
            margin-top: 20px;
        }
        /* 响应式设计：手机端按钮圆形化并契合图标 */
        @media screen and (max-width: 768px) {
            .quick {
                width: 50px;
                height: 50px;
                line-height: 50px;
                text-indent: 0;
                margin: 5px;
            }

            .quick i {
                width: 30px;
                height: 30px;
                left: 50%;
                top: 50%;
                transform: translate(-50%, -50%);
                border-radius: 50%;
                background-size: cover;
                background-repeat: no-repeat;
                background-position: center;
            }

            .quick a span {
                display: none;
            }

            .footer {
                font-size: 10px;
                line-height: 1.2;
            }
        }