/* ============================================================================
 * bootstrap-lite.css
 * 原站引的是 Bootswatch 5.1.0（基于 Bootstrap 5.1.0，55KB）。
 * 这里只补齐本页面实际用到的类，省掉 54KB。想 100% 还原就下载原文件覆盖本文件：
 *   curl -o bootstrap-lite.css https://原站/hg/static/bootstrap.min.css
 * ==========================================================================*/

*,::after,::before { box-sizing: border-box; }

.container {
  width: 100%;
  max-width: 1080px;
  margin-right: auto;
  margin-left: auto;
  padding-right: .75rem;
  padding-left: .75rem;
}

.mb-3 { margin-bottom: 1rem !important; }
.text-center { text-align: center !important; }
.img-fluid { max-width: 100%; height: auto; }

label { display: inline-block; }

.form-label {
  margin-bottom: .5rem;
  font-size: .95rem;
}

.form-control,
.form-select {
  display: block;
  width: 100%;
  padding: .5rem .9rem;
  font-size: 1rem;
  line-height: 1.5;
  appearance: none;
  -webkit-appearance: none;
}

.form-select {
  padding-right: 2.25rem;
  background-image: url("data:image/svg+xml;charset=utf-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23a9b0c3' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right .9rem center;
  background-size: 14px 10px;
}

.btn {
  display: inline-block;
  font-weight: 400;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: 1px solid transparent;
  padding: .375rem .75rem;
  font-size: 1rem;
  border-radius: .25rem;
  transition: color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out;
}

.btn:disabled { pointer-events: none; }

/* 本页按钮外观由 app.css 的 #usdtButton 完全接管，这里不给 btn-primary 上色 */
.btn-primary { color: #fff; }