html,body,#LAY_app{height:100%;}
.layui-layout-body{overflow: auto;}
 
#LAY-user-login,
.layadmin-user-display-show{display: block !important;} 
.layadmin-user-login{position: relative; left: 0; top: 0; padding: 110px 0; min-height: 100%; box-sizing: border-box;}
.layadmin-user-login-main{width: 375px; margin: 0 auto; box-sizing: border-box;}
.layadmin-user-login-box{padding: 20px;}
.layadmin-user-login-header{text-align: center;}
.layadmin-user-login-header h2{margin-bottom: 10px; font-weight: 300; font-size: 30px; color: #000;}
.layadmin-user-login-header p{font-weight: 300; color: #666;font-size: 16px;}

.layadmin-user-login-body .layui-form-item{position: relative;}
.layadmin-user-login-icon{position: absolute; left: 1px; top: 1px; width: 38px; line-height: 36px; text-align: center; color: #d2d2d2;}
.layadmin-user-login-body .layui-form-item .layui-input{padding-left: 38px;}
.layadmin-user-login-codeimg{max-height: 38px; width: 100%; cursor: pointer; box-sizing: border-box;}

.layadmin-user-login-other{position: relative; font-size: 0; line-height: 38px; padding-top: 20px;}
.layadmin-user-login-other>*{display: inline-block; vertical-align: middle; margin-right: 10px; font-size: 14px;}
.layadmin-user-login-other .layui-icon{position: relative; top: 2px; font-size: 26px;}
.layadmin-user-login-other a:hover{opacity: 0.8;}

.layadmin-user-jump-change{float: right;}

.layadmin-user-login-footer{position: absolute;/*text-shadow: #888 1px 1px 1px;*/ left: 0; bottom: 0; width: 100%;padding: 20px; text-align: center; box-sizing: border-box; color: rgba(0,0,0,.6)}
.layadmin-user-login-footer span{padding: 0 5px;}
.layadmin-user-login-footer a{padding: 0 5px; color: rgba(0,0,0,.5);}
.layadmin-user-login-footer a:hover{color: rgba(0,0,0,1);}

/* 有背景图时 */
.layadmin-user-login-main[bgimg]{background-color: #fff; box-shadow: 0 0 5px rgba(0,0,0,0.05);}

/* 主题背景 */
.ladmin-user-login-theme{position: fixed; bottom: 0; left: 0; width: 100%; text-align: center;}
.ladmin-user-login-theme ul{display: inline-block; padding: 5px; background-color: #fff;}
.ladmin-user-login-theme ul li{display: inline-block; vertical-align: top; width: 64px; height: 43px; cursor: pointer; transition: all .3s; -webkit-transition: all .3s; background-color: #f2f2f2;}
.ladmin-user-login-theme ul li:hover{opacity: 0.9}

@media screen and (max-width: 768px) {
  .layadmin-user-login{padding-top: 60px;}
  .layadmin-user-login-main{width: 300px;}
  .layadmin-user-login-box{padding: 10px;}
}

/* ---------- 后台登录页：渐变背景与动效 ---------- */
/* 容器兜底：伪元素或 inset 不支持时仍有底色，且撑满视口避免「白板」 */
.layadmin-user-login.login-page-bg {
  min-height: 100vh;
  min-height: 100dvh;
}

.login-page-bg {
  position: relative;
  overflow: hidden;
}

.login-page-bg--animated {
  background: linear-gradient(135deg, #b3e5fc 0%, #7e57c2 52%, #311b92 100%);
}

.login-page-bg--animated::before {
  content: "";
  position: absolute;
  top: -20%;
  left: -20%;
  right: -20%;
  bottom: -20%;
  width: auto;
  height: auto;
  background: linear-gradient(
    125deg,
    #e1f5fe 0%,
    #b3e5fc 14%,
    #90caf9 28%,
    #9fa8da 42%,
    #7e57c2 56%,
    #5e35b1 70%,
    #4527a0 84%,
    #1a0d2e 100%
  );
  background-size: 400% 400%;
  animation: loginGradientFlow 18s ease infinite;
  z-index: 0;
}

.login-page-bg--animated::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: auto;
  height: auto;
  background:
    radial-gradient(ellipse 70% 55% at 15% 25%, rgba(255, 255, 255, 0.24) 0%, transparent 55%),
    radial-gradient(ellipse 55% 45% at 85% 75%, rgba(179, 157, 255, 0.22) 0%, transparent 50%),
    radial-gradient(circle at 50% 100%, rgba(26, 13, 46, 0.12) 0%, transparent 45%);
  pointer-events: none;
  z-index: 0;
  animation: loginGlowPulse 10s ease-in-out infinite alternate;
}

@keyframes loginGradientFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes loginGlowPulse {
  0% { opacity: 0.75; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.03); }
}

.login-page-bg--image {
  background-color: #4527a0;
  background-image: var(--login-bg-image);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.login-page-bg--image::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(144, 202, 249, 0.45) 0%,
    rgba(94, 53, 177, 0.62) 42%,
    rgba(26, 13, 46, 0.78) 100%
  );
  background-size: 200% 200%;
  animation: loginOverlayDrift 14s ease infinite;
  z-index: 0;
}

.login-page-bg--image::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse 90% 60% at 50% 0%, rgba(255, 255, 255, 0.12) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
  animation: loginGlowPulse 12s ease-in-out infinite alternate;
}

@keyframes loginOverlayDrift {
  0% { background-position: 0% 50%; opacity: 0.92; }
  50% { background-position: 100% 50%; opacity: 1; }
  100% { background-position: 0% 50%; opacity: 0.92; }
}

.layadmin-user-login.login-page-bg .layadmin-user-login-main[bgimg] {
  border-radius: 14px;
  box-shadow:
    0 16px 48px rgba(49, 27, 146, 0.28),
    0 0 0 1px rgba(255, 255, 255, 0.55) inset;
  animation: loginCardEnter 0.65s cubic-bezier(0.22, 1, 0.36, 1) both;
  transition: box-shadow 0.35s ease, transform 0.35s ease;
}

.layadmin-user-login.login-page-bg .layadmin-user-login-main[bgimg]:hover {
  box-shadow:
    0 22px 56px rgba(69, 39, 160, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.65) inset;
  transform: translateY(-2px);
}

@keyframes loginCardEnter {
  from {
    opacity: 0;
    transform: translateY(28px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.login-submit-btn {
  transition: transform 0.2s ease, box-shadow 0.25s ease, filter 0.2s ease;
}

.login-submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(94, 53, 177, 0.45);
  filter: brightness(1.05);
}

.login-submit-btn:active {
  transform: translateY(0);
}

.login-page-footer {
  backdrop-filter: blur(6px);
}

@media (prefers-reduced-motion: reduce) {
  .login-page-bg--animated::before,
  .login-page-bg--animated::after,
  .login-page-bg--image::before,
  .login-page-bg--image::after {
    animation: none !important;
  }
  .layadmin-user-login.login-page-bg .layadmin-user-login-main[bgimg] {
    animation: none !important;
  }
  .login-submit-btn:hover {
    transform: none;
  }
}