/* gdhbp 补丁：无障碍、表单、错误页与移动端增强 */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  z-index: 100;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  padding: 0.65rem 1rem;
  background: #fff;
  color: #0369a1;
  border-radius: 0.65rem;
  box-shadow: 0 10px 30px rgba(14, 165, 233, 0.25);
  font-weight: 700;
}

.auth-card {
  max-width: 28rem;
  margin: 0 auto;
  background: #fff;
  border-radius: 1.2rem;
  padding: 1.6rem;
  box-shadow: var(--shadow);
}

.auth-form {
  display: grid;
  gap: 1rem;
}

.auth-field {
  display: grid;
  gap: 0.45rem;
  font-weight: 600;
  color: var(--ink);
}

.auth-field .filter-input {
  width: 100%;
}

.auth-error {
  color: #b91c1c;
  font-size: 0.92rem;
  margin: 0;
}

.auth-footer {
  margin: 1.2rem 0 0;
  color: var(--muted);
  text-align: center;
}

.static-article h2 {
  margin-top: 0;
}

.faq-item {
  margin-bottom: 1.2rem;
}

.faq-item h3 {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.error-fallback {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 1rem;
  background: linear-gradient(180deg, #f0f9ff 0%, #fff 100%);
  color: var(--ink);
}

.error-fallback__card {
  background: #fff;
  border: 1px solid #bae6fd;
  border-radius: 1rem;
  padding: 2rem;
  max-width: 32rem;
  width: 100%;
  text-align: center;
  box-shadow: 0 18px 40px rgba(14, 165, 233, 0.12);
}

.error-fallback__card h1 {
  font-size: 1.4rem;
  margin: 0 0 1rem;
  color: #0c4a6e;
}

.error-fallback__card p {
  color: var(--muted);
  margin-bottom: 1rem;
}

.error-fallback__card pre {
  text-align: left;
  font-size: 12px;
  color: #334155;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: 0.65rem;
  padding: 1rem;
  overflow: auto;
  max-height: 10rem;
  margin-bottom: 1.5rem;
}

/* BBAASEO 标识（兼容旧类名） */
.bbaaseo-fly,
.ababseo-fly {
  display: none !important;
}

@media print {
  .bbaaseo-badge,
  .bbaaseo-fly,
  .ababseo-fly,
  .skip-link {
    display: none !important;
  }
}

@media (max-width: 760px) {
  .nav-search input,
  .mobile-panel input,
  .filter-input,
  .quick-search input {
    font-size: 16px;
  }

  .max-w-7xl {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .detail-layout {
    grid-template-columns: 1fr;
  }

  .detail-poster {
    margin: 0 auto;
  }

  .video-box {
    border-radius: 0.85rem;
  }

  .video-box video {
    max-height: 70vh;
    object-fit: contain;
  }

  .auth-card {
    padding: 1.2rem;
  }

}

@media (max-width: 480px) {
  .detail-poster {
    width: min(220px, 72vw);
  }

  .hero-actions,
  .auth-form .primary-btn {
    width: 100%;
    justify-content: center;
  }
}