/* 登录左侧视觉区增强（叠在主题色之上） */
.login-visual {
  justify-content: space-between;
  gap: 28px;
  padding: 40px 48px 44px;
  min-height: 100vh;
}
.login-visual::after {
  /* 原空框改为真实 logo，关掉伪元素占位 */
  display: none;
}

.lv-brand {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 14px;
  animation: lv-fade-up .55s var(--ease, cubic-bezier(.22,1,.36,1)) both;
}
.lv-logo {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: .02em;
  color: #1a2238;
  background:
    linear-gradient(145deg, #e0a86a 0%, #c17a3a 55%, #a8662e 100%);
  box-shadow:
    0 0 0 1px rgba(249, 250, 253, .22),
    0 12px 28px rgba(0, 0, 0, .22);
}
.lv-logo svg {
  width: 30px;
  height: 30px;
  display: block;
}
.lv-brand-txt strong {
  display: block;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .06em;
}
.lv-brand-txt small {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  opacity: .55;
}

.lv-stage {
  position: relative;
  z-index: 1;
  flex: 1;
  display: grid;
  place-items: center;
  min-height: 200px;
  animation: lv-fade-up .65s .08s var(--ease, cubic-bezier(.22,1,.36,1)) both;
}
.lv-art {
  width: min(420px, 100%);
  aspect-ratio: 5 / 3.2;
  position: relative;
}
.lv-art svg {
  width: 100%;
  height: 100%;
  display: block;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, .25));
}
.lv-art .orbit {
  transform-origin: center;
  animation: lv-orbit 18s linear infinite;
}
.lv-art .pulse {
  animation: lv-pulse 2.8s ease-in-out infinite;
}

.lv-copy {
  position: relative;
  z-index: 1;
  animation: lv-fade-up .7s .14s var(--ease, cubic-bezier(.22,1,.36,1)) both;
}
.lv-copy h2 {
  font-size: clamp(1.75rem, 2.8vw, 2.35rem);
  font-weight: 700;
  letter-spacing: .04em;
  margin-bottom: 10px;
}
.lv-copy > p {
  opacity: .78;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.65;
  margin-bottom: 20px;
}
.lv-feats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.lv-feats li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: #f9fafd;
  background: rgba(249, 250, 253, .1);
  border: 1px solid rgba(249, 250, 253, .16);
  backdrop-filter: blur(6px);
}
.lv-feats li .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #d4924a;
  box-shadow: 0 0 0 3px rgba(212, 146, 74, .25);
}

@keyframes lv-fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes lv-orbit {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes lv-pulse {
  0%, 100% { opacity: .45; }
  50% { opacity: 1; }
}

@media (max-width: 900px) {
  .login-visual {
    min-height: auto;
    padding: 28px 24px 32px;
    gap: 20px;
  }
  .lv-stage { min-height: 140px; }
  .lv-logo { width: 48px; height: 48px; font-size: 18px; border-radius: 14px; }
  .lv-feats li { font-size: 12px; padding: 7px 12px; }
}