body.login-preview {
  --ink: #1d2a27;
  --muted: #53605b;
  --line: #cbd5d0;
  --field-height: 46px;
  margin: 0;
  min-height: 100vh;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 18px;
  padding: 32px 18px;
  background: #edf1ef;
  color: var(--ink);
  font: 16px/1.55 system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
}
.login-preview > main {
  width: 100%;
  max-width: 930px;
  display: grid;
  grid-template-columns: 1.08fr 1fr;
  background: #fff;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 18px 58px #18293619;
}
.login-preview > main > .intro {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 36px clamp(24px, 4vw, 44px);
  color: var(--dark);
  background-color: var(--light);
  background-image: linear-gradient(#fff5 1px, transparent 1px), linear-gradient(90deg, #fff5 1px, transparent 1px);
  background-size: 24px 24px;
}
.login-preview .brand,
.login-preview .product {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
}
.login-preview .brand { display: flex; align-items: center; gap: 10px; }
.login-preview .brand img { width: 28px; height: 28px; object-fit: contain; border-radius: 6px; }
.login-preview .intro h1 { margin: 0; font-size: clamp(26px, 3.5vw, 40px); line-height: 1.24; }
.login-preview .intro p { margin: 12px 0 0; font-size: 15px; }
.login-preview.learn > main > .intro {
  justify-content: flex-end;
  color: #fff;
  background: linear-gradient(180deg, #102e2699 0%, #102e2640 38%, #102e26f2 100%), #183c32 url("/assets/juyao/elder-care/login-scene.jpg") center / cover no-repeat;
}
.login-preview.learn .brand { margin-bottom: auto; }
.login-preview.learn .scene { display: none; }
.login-preview.learn .intro p { color: #e0efe7; }

.login-preview > main > :is(.login-panel, .panel) {
  min-width: 0;
  margin: 0;
  padding: clamp(28px, 5.5vw, 58px) clamp(24px, 4.8vw, 48px);
  border: 0;
  border-radius: 0;
  box-shadow: none;
}
.login-preview .product { color: var(--dark); }
.login-preview h2 { margin: 9px 0 0; font-size: clamp(25px, 3vw, 32px); font-weight: 750; line-height: 1.25; }
.login-preview .sub,
.login-preview .preview,
.login-preview > footer { color: var(--muted); font-size: 13px; }
.login-preview .sub { margin: 8px 0 24px; }
.login-preview .preview { margin: 12px 0 0; }
.login-preview > footer { text-align: center; }
.login-preview > footer a { color: inherit; text-underline-offset: 3px; }
.login-preview :is(a, button, input[type="checkbox"]):focus-visible {
  outline: 2px solid var(--dark);
  outline-offset: 3px;
}

.login-preview #login-form .form-group { margin-bottom: 14px; }
.login-preview #login-form .input-group { width: 100%; margin-bottom: 14px; }
.login-preview #login-form .input-group-addon {
  min-width: 44px;
  height: var(--field-height);
  padding: 0 11px;
  border-color: var(--line);
  background: #f2f6f4;
  color: var(--muted);
}
.login-preview #login-form .input-group-addon:first-child { border-radius: 9px 0 0 9px; }
.login-preview #login-form .input-group-addon:last-child { border-radius: 0 9px 9px 0; }
.login-preview #login-form .input-group-addon:last-child img {
  display: block;
  box-sizing: border-box;
  width: 110px;
  height: var(--field-height);
  margin: auto;
  padding: 8px 5px;
  object-fit: contain;
  cursor: pointer;
}
.login-preview #login-form .input-group-addon:last-child:has(img) {
  background: #fff;
  box-shadow: inset 0 0 0 1px var(--line);
  cursor: pointer;
}
.login-preview #login-form input.form-control:is(:not([type]), [type="text"], [type="password"], [type="email"], [type="tel"], [type="number"]),
.login-preview fieldset input:is(:not([type]), [type="text"], [type="password"]) {
  height: var(--field-height);
  padding: 0 12px;
  border: 1px solid var(--line);
  background: #fbfcfc;
  color: var(--ink);
  font: inherit;
  box-shadow: none;
}
.login-preview #login-form .input-group > input.form-control:last-child {
  border-radius: 0 9px 9px 0;
}
.login-preview #login-form input.form-control:focus {
  z-index: 3;
  outline: 2px solid var(--dark);
  outline-offset: -2px;
  background: #fff;
}
.login-preview #login-form .checkbox { margin: 4px 0 16px; }
.login-preview #login-form .checkbox label {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
}
.login-preview #login-form input[type="checkbox"] {
  position: static;
  flex: none;
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--dark);
}
.login-preview #login-form :is(button[type="submit"], input[type="submit"]),
.login-preview fieldset button[type="button"] {
  width: 100%;
  min-height: var(--field-height);
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: var(--dark);
  color: #fff;
  font: inherit;
  font-weight: 700;
}
.login-preview #login-form :is(button[type="submit"], input[type="submit"]):hover:not(:disabled) { filter: brightness(1.12); }
.login-preview fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }
.login-preview fieldset label { display: block; margin-bottom: 14px; font-size: 14px; }
.login-preview fieldset input:is(:not([type]), [type="text"], [type="password"]) {
  box-sizing: border-box;
  display: block;
  width: 100%;
  margin-top: 4px;
  border-radius: 9px;
}

/* Each scene keeps the same footprint so the login layout stays consistent. */
.login-preview .scene {
  position: relative;
  display: grid;
  align-items: center;
  width: min(100%, 290px);
  height: clamp(102px, 15vw, 152px);
  margin: 14px auto;
}
.login-preview .scene i {
  display: grid;
  place-items: center;
  font: 700 20px/1 system-ui;
}
.login-preview.exam > main > .intro {
  background-image: repeating-linear-gradient(0deg, #fff6 0 1px, transparent 1px 25px);
}
.login-preview.exam .scene {
  width: min(72%, 200px);
  align-content: center;
  gap: 4px;
  padding: 10px 14px;
  background: #f8fbff;
  border: 1px solid #a8b9da;
  border-radius: 7px;
  box-shadow: 5px 5px #abc0e366;
}
.login-preview.exam .scene i {
  grid-template-columns: 24px 1fr;
  gap: 10px;
  min-height: 23px;
  border-bottom: 1px solid #dce5f4;
  font-size: 12px;
}
.login-preview.exam .scene i::after {
  content: "";
  justify-self: start;
  width: 86%;
  height: 3px;
  border-radius: 2px;
  background: #cedbef;
}
.login-preview.exam .scene i:last-child {
  color: #226252;
  border: 0;
}
.login-preview.exam .scene i:last-child::after { background: #b8d9cf; }

.login-preview.shop > main > .intro {
  background-image: radial-gradient(#ab62312e 1px, transparent 1px);
  background-size: 16px 16px;
}
.login-preview.shop .scene {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 0 8px;
}
.login-preview.shop .scene i {
  aspect-ratio: 1;
  background: #fff4e7;
  border: 1px solid #c8875f;
  border-radius: 6px;
  box-shadow: 0 4px #bc77524d;
  font-size: clamp(16px, 2.5vw, 25px);
}
.login-preview.shop .scene i:nth-child(2) { background: #ffe4c1; }

.login-preview.consult > main > .intro {
  background-image: radial-gradient(ellipse at 50% 40%, #f7f2ff 0%, transparent 70%);
  background-size: auto;
}
.login-preview.consult .scene {
  grid-template-columns: 1fr auto 1fr;
  background: linear-gradient(#9b83ba, #9b83ba) center / 86% 1px no-repeat;
}
.login-preview.consult .scene i {
  position: relative;
  justify-self: center;
  width: 12px;
  aspect-ratio: 1;
  border: 2px solid #9b83ba;
  border-radius: 50%;
  background: #f8f5ff;
  font-size: 0;
}
.login-preview.consult .scene i:nth-child(2) {
  width: clamp(64px, 9vw, 88px);
  border: 1px solid #9b83ba;
  box-shadow: 0 0 0 7px #c7b4e866;
  font-size: 33px;
}

.login-preview.ask > main > .intro {
  background-image: radial-gradient(ellipse at 22% 40%, #f2fcff 0%, transparent 68%);
  background-size: auto;
}
.login-preview.ask .scene {
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: 1fr 1fr;
  column-gap: 8px;
  row-gap: 5px;
  padding: 10px 8px;
}
.login-preview.ask .scene i {
  min-height: 35px;
  background: #f7fcff;
  border: 1px solid #95c6d7;
  border-radius: 14px 14px 14px 4px;
}
.login-preview.ask .scene i:first-child { grid-area: 1 / 1 / 2 / 4; }
.login-preview.ask .scene i:nth-child(2) {
  grid-area: 2 / 2 / 3 / 5;
  background: #b5e4ec;
  border-radius: 14px 14px 4px 14px;
}
.login-preview.ask .scene i:last-child {
  grid-area: 2 / 5 / 3 / 6;
  justify-self: center;
  width: 27px;
  min-height: 27px;
  border-radius: 50%;
  color: #206553;
  font-size: 13px;
}
.login-preview.exam .scene { overflow: hidden; }
.login-preview.exam .scene::after {
  content: "";
  position: absolute;
  inset: 14px 12px auto;
  height: 1px;
  background: #5e91c855;
  box-shadow: 0 0 9px #5e91c855;
  animation: juyao-scan 7s ease-in-out infinite alternate;
}
.login-preview.shop .scene i,
.login-preview.ask .scene i { animation: juyao-breathe 6s ease-in-out infinite alternate; }
.login-preview.shop .scene i:nth-child(2),
.login-preview.ask .scene i:nth-child(2) { animation-delay: -3s; }
.login-preview.consult .scene i:nth-child(2) { animation: juyao-breathe 8s ease-in-out infinite alternate; }
@keyframes juyao-scan { to { transform: translateY(90px); } }
@keyframes juyao-breathe { to { transform: translateY(-4px); } }
@media (prefers-reduced-motion: reduce) {
  .login-preview .scene i,
  .login-preview .scene::after { animation: none !important; }
}
@media (max-width: 660px) {
  body.login-preview { align-content: start; gap: 14px; padding: 16px 12px; }
  .login-preview > main { grid-template-columns: minmax(0, 1fr); border-radius: 18px; }
  .login-preview > main > .intro { padding: 22px 24px; }
  .login-preview.learn > main > .intro { min-height: 208px; }
  .login-preview .scene { height: 102px; margin: 10px auto; }
  .login-preview.shop .scene { max-width: 238px; }
  .login-preview > main > :is(.login-panel, .panel) { padding: 26px 22px; }
}