/* ============================================================
 * common.css - 全局基础样式 v2.0（移动端优先）
 * ============================================================ */
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  margin: 0; padding: 0;
  font-family: 'Poppins', 'Arial', sans-serif;
  color: #222; background: #fff;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; }

.container { max-width: 640px; margin: 0 auto; padding: 0 12px; }

.sec-title {
  font-size: 17px;
  margin: 0 0 10px 0;
  padding-left: 10px;
  border-left: 4px solid #F53851;
  line-height: 1.2;
  font-weight: 700;
}

.btn {
  display: inline-block;
  padding: 12px 20px;
  background: #F53851;
  color: #fff;
  border: 0;
  border-radius: 6px;
  font-weight: 700;
  text-align: center;
}
.btn:active { opacity: .8; }
.btn-block { display: block; width: 100%; }

.toast {
  position: fixed; left: 50%; top: 30%;
  transform: translateX(-50%);
  background: rgba(0,0,0,.85); color:#fff;
  padding: 10px 16px; border-radius: 6px;
  font-size: 14px; z-index: 9999;
}