index.wxml：
<view class="search-container"> <input class="search-input" placeholder="请输入搜索内容" /> </view>
index.wxss：
.search-container {
padding: 10px;
}
.search-input {
padding: 5px;
border-radius: 5px;
border: 1px solid #ccc;
width: 100%;
}