/* 全局重置 */
* { margin:0; padding:0; box-sizing:border-box; }
body {
  font-family: 'Noto Serif SC', serif;
  background: #f2e8d5;
  color: #333;
}
a { text-decoration: none; color: inherit; }

/* 页面容器 */
.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
}

/* 头部 */
header.site-header {
  position: relative;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 20px;
}
header.site-header .logo {
  position: absolute;
  top: 0;
  left: 20px;
}
header.site-header .logo img {
  max-width: 80px;
  width: 100%;
  height: auto;
  cursor: pointer;
}
header.site-header .logout {
  position: absolute;
  top: 0;
  right: 20px;
}
header.site-header .logout button {
  background: #d4a017;
  border: none;
  color: #fff;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
}
header.site-header .logout button:hover {
  background: #b68b11;
}

/* 通用卡片 */
.card {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  padding: 2rem;
  margin: 40px 0;
  width: 100%; max-width: 400px;
}
.card h2, .card h3 { text-align: center; color: #5a3e1b; margin-bottom: 1rem; }

/* 表单 */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: .5rem; font-weight: bold; }
.form-group input,
.form-group select { width: 100%; padding: .6rem; border: 1px solid #ccc; border-radius: 4px; }

/* 密码眼睛 */
.toggle-eye { position: absolute; top: calc(50% - 10px); right: 10px; width: 20px; height: 20px; fill: #888; cursor: pointer; }

/* 按钮 */
.btn {
  display: block;
  width: 100%;
  padding: .8rem;
  background: #d4a017;
  color: #fff;
  border: none;
  border-radius: 4px;
  text-align: center;
  cursor: pointer;
}
.btn:hover { background: #b68b11; }

/* 小提示 */
.error { color: #d9534f; margin-bottom: 1rem; }
.success { color: #5cb85c; }