body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}

/* 新增搜索容器样式 */
#search-container {
    position: relative;
    display: inline-block;
}

#selected-engine-display {
    width: 600px;
    height: 270px;
    margin-bottom: 20px;
    font-size: 48px;
    text-align: center;
    line-height: 270px;
}

.container {
    text-align: center;
}

#search-input {
    width: 100%;
    max-width: 600px; /* 拉长搜索框 */
    padding: 12px 40px 12px 20px; /* 修改内边距以腾出空间给搜索按钮 */
    margin: 8px 0;
    display: inline-block;
    border: 1px solid #ccc;
    border-radius: 25px; /* 设置圆角弧度 */
    box-sizing: border-box;
}

.options {
    display: flex;
    justify-content: center;
}

.option {
    background-color: #4CAF50;
    border: none;
    color: white;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 25px; /* 设置圆角弧度 */
}

#search-icon {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background-color: transparent;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 0 5px;
}

.option:hover {
    background-color: #45a049;
}

/* 新增选中搜索引擎的样式 */
.option.selected {
    background-color: #ff9800;
}