/* ==========================================================================
   PixlReady 联盟资源位样式（自包含，pr-aff- 前缀，不依赖站点内部类）
   设计：中性浅色卡片，适配现有浅色 v6；对比度满足 WCAG AA；移动端单列。
   可被站点 CSS 变量覆盖：--pr-aff-radius / --pr-aff-border / --pr-aff-bg /
   --pr-aff-accent / --pr-aff-text / --pr-aff-muted
   ========================================================================== */

.pr-aff-section {
  margin: 28px 0;
  padding: 20px;
  border: 1px solid var(--pr-aff-border, #e5e7eb);
  border-radius: var(--pr-aff-radius, 16px);
  background: var(--pr-aff-bg, #ffffff);
  max-width: 960px;
}

.pr-aff-heading {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--pr-aff-text, #1f2937);
}

.pr-aff-sub {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--pr-aff-muted, #4b5563);
}

/* FTC 披露：必须靠近链接、清晰可见，不做弱化处理 */
.pr-aff-disclosure {
  margin: 0 0 14px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--pr-aff-muted, #4b5563);
}

.pr-aff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.pr-aff-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--pr-aff-border, #e5e7eb);
  border-radius: calc(var(--pr-aff-radius, 16px) - 4px);
  background: #fbfdff;
}

.pr-aff-card-title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--pr-aff-text, #1f2937);
  margin: 0;
}

.pr-aff-card-desc {
  font-size: 13px;
  line-height: 1.5;
  color: var(--pr-aff-muted, #4b5563);
  margin: 0;
  flex: 1;
}

.pr-aff-card .pr-aff-card-cta {
  align-self: flex-start;
  margin-top: 6px;
  display: inline-block;
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  color: #ffffff;
  background: var(--pr-aff-accent, #4338ca);
  border: 1px solid var(--pr-aff-accent, #4338ca);
  transition: background-color .15s ease, border-color .15s ease;
}

.pr-aff-card .pr-aff-card-cta:hover,
.pr-aff-card .pr-aff-card-cta:focus-visible {
  background: #3730a3;
  border-color: #3730a3;
  text-decoration: none;
}

.pr-aff-card .pr-aff-card-cta:focus-visible {
  outline: 3px solid rgba(67, 56, 202, .35);
  outline-offset: 2px;
}

/* 移动端：更大触控区、单列、不溢出 */
@media (max-width: 560px) {
  .pr-aff-section { padding: 16px; margin: 20px 0; }
  .pr-aff-grid { grid-template-columns: 1fr; }
  .pr-aff-card-cta { padding: 10px 16px; width: 100%; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  .pr-aff-card-cta { transition: none; }
}