<div class="search-box">
    <form class="search-box__form" asp-action="Search" asp-controller="Article" method="get" data-pjax>
        <input type="text" name="keyword" value="@Context.Request.Query["keyword"]" required placeholder="搜索文章..." class="search-box__input" autocomplete="off">
        <button type="submit" class="search-box__button" aria-label="搜索"><i class="fa fa-search"></i></button>
    </form>
</div>