* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Microsoft Yahei", system-ui, sans-serif;
}
body {
  background: #F5F7FA;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
/* logo区域 */
.logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  gap: 10px;
}
.logo-icon {
  width: 48px;
  height: 48px;
  background: #2578F5;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 24px;
}
.logo-text {
  font-size: 22px;
  color: #2578F5;
  font-weight: 600;
}
/* 登录卡片 响应式宽度 */
.login-card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border-radius: 16px;
  padding: 32px 24px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}
.card-title {
  font-size: 24px;
  font-weight: bold;
  color: #222;
  text-align: center;
  margin-bottom: 8px;
}
.card-desc {
  text-align: center;
  color: #888;
  font-size: 14px;
  margin-bottom: 32px;
}
.form-item {
  margin-bottom: 20px;
}
.input-wrap {
  position: relative;
}
.input-wrap input {
  width: 100%;
  height: 48px;
  border: 1px solid #e8e8e8;
  border-radius: 12px;
  padding: 0 42px;
  font-size: 15px;
}
.input-wrap input:focus {
  outline: none;
  border-color: #2578F5;
}
.input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: #2578F5;
}
.eye-btn {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  color: #888;
  font-size: 18px;
}
.login-btn {
  width: 100%;
  height: 50px;
  background: #2578F5;
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
  transition: 0.2s;
}
.login-btn:hover {
  background: #1967E0;
}
.login-btn:disabled {
  background: #74a8f8;
  cursor: not-allowed;
}
/* 消息提示 */
.msg-tip {
  margin-top: 14px;
  text-align: center;
  font-size: 14px;
  display: none;
}
.tip-error {
  color: #E53E3E;
}
.tip-success {
  color: #27ae60;
}
/* 密码提示文字 */
.tip-text {
    width: 100%;
    font-size: 13px;
    color: #666;
    text-align: center;
    margin: 8px 0 12px;
    line-height: 1.5;
}
/* 强调警示版（如需突出提示可加class="tip-text warn"） */
.tip-text.warn {
    color: #f56c6c;
}
footer {
  margin-top: 30px;
  color: #999;
  font-size: 12px;
  text-align: center;
}
/* 小手机进一步缩小内边距 */
@media screen and (max-width: 360px) {
  .login-card {
    padding: 24px 16px;
  }
  .card-title {
    font-size: 20px;
  }
  .logo-icon {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
  .logo-text {
    font-size: 18px;
  }
}