/* 外层总宽度 800px */
#adminbuy {
  width: 800px;
  margin: 0 auto;
}

#body_1 {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  border-top: 5px solid #c81e1e;
  overflow: hidden;
  padding: 40px 0;
}

/* 内部内容统一 600px + 居中 */
#part1,
#user,
 {
  width: 600px;
  margin: 0 auto;
}
#tzgg { width: 700px;
  margin: 0 auto;}

/* 输入框、按钮 600px + 居中 */
.input1,
.button2 {
  width: 600px;
  display: block;
  margin: 0 auto; /* 核心：让按钮完全居中 */
}

#zscx p {
  margin-bottom: 20px;
}

/* 输入框样式 */
.input1 {
  height: 48px;
  padding: 0 18px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 15px;
  outline: none;
  transition: 0.2s;
}
.input1:focus {
  border-color: #c81e1e;
  box-shadow: 0 0 0 3px rgba(200,30,30,0.1);
}

/* 查询按钮 */
.button2 {
  height: 50px;
  background: #c81e1e;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.2s;
  text-align: center; /* 文字居中 */
  
}
.button2:hover {
  background: #a81818;
}

/* 验证提示 */
.Validform_checktip {
  height: 22px;
  line-height: 22px;
  font-size: 12px;
  color: #999;
  text-align: center;
}

/* 通知公告 */
#tzgg {
  margin-top: 30px;
  border: 1px solid #f6d5d5;
  border-radius: 8px;
  overflow: hidden;
}
#tzgg .bt {
  background: #c81e1e;
  color: #fff;
  height: 44px;
  line-height: 44px;
  text-align: center;
  font-size: 16px;
  font-weight: bold;
}
#tzgg .nrc {
  padding: 22px;
  background: #fff5f5;
  font-size: 14px;
  line-height: 2;
  color: #333;
}
#tzgg .nrc p {
  margin-bottom: 6px;
}
#tzgg .nrc strong {
  color: #c81e1e;
}

/* ====================== 手机端自适应 ====================== */
@media (max-width: 820px) {
  #adminbuy {
    width: 95%;
  }
  #part1,
  #user,
  #tzgg,
  .input1,
  .button2 {
    width: 100%;
  }
  #body_1 {
    padding: 30px 15px;
  }
}