/**
 * 品牌登录双页共用：夜航巨轮背景层 + 左列可读渐变遮罩（user / admin 同一套）。
 */

html.theme-dark body.brand-login-page {
  background: #04101c !important;
}

/* 覆盖 admin-theme 独立登录页纯色底，露出船图 */
body.page-login-standalone.brand-login-page {
  background: #04101c !important;
}

.brand-login-page {
  position: relative;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: #04101c;
}

.login-hero-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.login-hero-layer__img {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 82% center;
}

/* 全幅轻渐变：左浓右透，不压掉右侧船头高光 */
.login-hero-layer__shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    rgba(4, 10, 20, 0.56) 0%,
    rgba(4, 10, 20, 0.22) 35%,
    rgba(4, 10, 20, 0.08) 60%,
    transparent 100%
  );
}

@media (max-width: 768px) {
  .login-hero-layer__img {
    object-position: 74% center;
  }

  .login-hero-layer__shade {
    background: linear-gradient(
      90deg,
      rgba(4, 10, 20, 0.62) 0%,
      rgba(4, 10, 20, 0.18) 55%,
      transparent 100%
    );
  }
}