/* 登录/注册 · 浅色用户端 */
.split-auth {
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  background: #f3efe9;
}
.split-auth-visual {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 500px at 20% 10%, rgba(154, 107, 79,.22), transparent 55%),
    radial-gradient(700px 400px at 80% 90%, rgba(196, 125, 26,.08), transparent 50%),
    linear-gradient(160deg, #f7f2ec 0%, #ebe4db 50%, #f3efe9 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
}
.split-auth-visual::before {
  content: "";
  position: absolute;
  inset: 12% 18%;
  border: 1px solid rgba(110, 74, 54, .12);
  border-radius: 32px;
  background:
    linear-gradient(rgba(110, 74, 54,.05) 1px, transparent 1px) 0 0 / 100% 20%,
    linear-gradient(90deg, rgba(110, 74, 54,.05) 1px, transparent 1px) 0 0 / 20% 100%;
  opacity: .7;
}
.split-auth-visual-inner {
  position: relative;
  z-index: 1;
  max-width: 420px;
  color: #1a1510;
}
.split-auth-visual .brand-mark {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: .06em;
  margin-bottom: 18px;
  color: #1a1510;
  display: flex;
  align-items: center;
}
.split-auth-visual h1 {
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.25;
  margin: 0 0 14px;
  font-weight: 750;
  color: #1a1510;
}
.split-auth-visual p {
  color: #5c534a;
  line-height: 1.7;
  margin: 0 0 22px;
  font-size: 15px;
}
.feature-dots {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.feature-dots li {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(154, 107, 79,.14);
  color: #6e4a36;
  font-size: 12px;
  font-weight: 650;
}
.split-auth-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px 20px;
  background: #f3efe9;
}
.split-auth-card {
  width: min(420px, 100%);
  background: #fff;
  border: 1px solid rgba(110, 74, 54, .12);
  border-radius: 24px;
  padding: 28px 22px;
  box-shadow: 0 12px 36px rgba(90, 60, 40, .08);
  color: #1a1510;
}
.split-auth-card .logo {
  font-size: 26px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 6px;
  color: #1a1510;
}
.split-auth-card .lead {
  text-align: center;
  color: #5c534a;
  margin-bottom: 22px;
  font-size: 14px;
}

.captcha-row {
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 10px;
  align-items: center;
}
.captcha-img {
  width: 120px;
  height: 44px;
  border-radius: 12px;
  cursor: pointer;
  background: #f7f2ec;
  border: 1px solid rgba(110, 74, 54, .14);
  object-fit: cover;
}

.auth-wrap .auth-card { width: min(420px, 100%); }
.auth-logo-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 10px;
}
.auth-logo-wrap img {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  object-fit: cover;
  border: 1px solid rgba(110, 74, 54, .14);
  box-shadow: 0 10px 24px rgba(90, 60, 40, .12);
}

@media (max-width: 900px) {
  .split-auth { grid-template-columns: 1fr; }
  .split-auth-visual {
    min-height: 200px;
    padding: 28px 20px 18px;
  }
  .split-auth-visual::before { inset: 10% 8%; border-radius: 20px; }
  .split-auth-visual h1 { font-size: 22px; }
  .split-auth-visual p { display: none; }
  .split-auth-visual .brand-mark { font-size: 32px; margin-bottom: 8px; }
  .feature-dots { display: none; }
  .split-auth-panel { padding: 8px 16px 28px; align-items: flex-start; }
}