/* ============================================
 * 微信无设备页（扫码后无设备分支）
 * ============================================ */
.v2-null-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #F0F2F8;
  padding: 40px 20px;
  box-sizing: border-box;
}
.v2-null-card {
  width: 440px;
  max-width: 100%;
  background: #FFFFFF;
  border-radius: 12px;
  padding: 36px 32px 28px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 8px 24px rgba(0,0,0,0.08);
}
.v2-null-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding-bottom: 24px;
  font-size: 15px;
  font-weight: 600;
  color: #374151;
  border-bottom: 1px solid #F3F4F6;
  margin-bottom: 24px;
}
.v2-null-title svg { flex-shrink: 0; }
.v2-null-option {
  padding: 20px;
  background: #FAFAFB;
  border: 1px solid #F3F4F6;
  border-left-width: 3px;
  border-radius: 10px;
}
.v2-null-option[data-accent="blue"] { border-left-color: #4F46E5; }
.v2-null-option[data-accent="green"] { border-left-color: #10B981; }
.v2-null-option-title {
  font-size: 15px;
  font-weight: 600;
  color: #374151;
  margin-bottom: 8px;
}
.v2-null-option-desc {
  font-size: 13px;
  color: #6B7280;
  line-height: 1.6;
  margin: 0 0 16px;
}
.v2-null-option .v2-input { margin-bottom: 0; }
.v2-null-option .v2-btn-primary {
  margin-top: 12px;
  padding: 12px;
  font-size: 15px;
  font-weight: 600;
}
.v2-null-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: #D1D5DB;
  font-size: 13px;
}
.v2-null-divider::before,
.v2-null-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: #E5E7EB;
}
.v2-null-error {
  font-size: 13px;
  color: #EF4444;
  margin-top: 8px;
  padding: 8px 12px;
  background: #FEF2F2;
  border: 1px solid #FECACA;
  border-radius: 8px;
  display: none;
}
.v2-null-error.show { display: block; }

/* 中间页顶部：已领取过提示（背景：2026-07-13）
   hasTrialHistory=true 时显示，不切换页面布局 */
.v2-null-history-notice {
  font-size: 13px;
  color: #92400E;
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
  line-height: 1.5;
}
.v2-null-history-notice.hidden { display: none; }

/* 紫色 accent：去购买选项 */
.v2-null-option[data-accent="purple"] { border-left-color: #7C3AED; }

/* 次要按钮（去购买占位） */
.v2-btn-secondary {
  background: #F3F4F6;
  color: #374151;
  border: 1px solid #E5E7EB;
}
.v2-btn-secondary:hover {
  background: #E5E7EB;
}
.v2-btn-block { width: 100%; }

@media (max-width: 480px) {
  .v2-null-card { padding: 28px 20px 24px; }
  .v2-null-option { padding: 16px; }
}