/* 营销活动落地页（Layout A：浮动 Logo + 公共全幅，无侧栏） */

.campaign {
  min-height: calc(100vh - 44px);
  background:
    radial-gradient(1000px 500px at 90% 0%, rgba(0, 133, 208, 0.08), transparent 60%),
    var(--color-bg-page);
}
.campaign-topbar {
  position: sticky; top: 44px; z-index: 1000;
  height: 56px;
  display: flex; align-items: center; gap: var(--space-16);
  padding: 0 var(--space-32) 0 220px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.campaign-back {
  display: inline-flex; align-items: center; gap: var(--space-8);
  font: var(--font-body-medium); color: var(--color-text-secondary);
  background: none; border: none; cursor: pointer; padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
}
.campaign-back:hover { color: var(--color-primary); background: var(--color-primary-outline-bg); }
.campaign-topbar-title { font: var(--font-section-title); color: var(--color-text-primary); }
.campaign-topbar-spacer { flex: 1; }

.campaign-main { max-width: 1120px; margin: 0 auto; padding: var(--space-32) var(--space-48) var(--space-64); }

/* ---- Hero ---- */
.campaign-hero {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(125deg, #0085D0 0%, #1A91D5 45%, #0098AD 100%);
  color: #fff;
  padding: var(--space-48);
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow-hero);
}
.campaign-hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(600px 300px at 85% 20%, rgba(255,255,255,0.15), transparent 60%),
    radial-gradient(400px 200px at 100% 100%, rgba(0,0,0,0.25), transparent 60%);
}
.campaign-hero-deco {
  position: absolute; right: 48px; top: 40px;
  opacity: 0.22;
}
.campaign-hero-content { position: relative; z-index: 1; max-width: 640px; }
.campaign-hero-badge {
  display: inline-flex; align-items: center; gap: var(--space-8);
  padding: var(--space-4) var(--space-12);
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: var(--radius-pill);
  font: var(--font-label); font-weight: 600;
  margin-bottom: var(--space-16);
}
.campaign-hero-title {
  font: 800 40px/1.15 var(--font-family-base);
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-12);
}
.campaign-hero-sub { font: var(--font-body); font-size: 16px; opacity: 0.94; line-height: 1.7; margin: 0 0 var(--space-20); max-width: 540px; }
.campaign-hero-meta { display: flex; gap: var(--space-24); flex-wrap: wrap; margin-bottom: var(--space-24); font: var(--font-label); opacity: 0.92; }
.campaign-hero-meta-item { display: inline-flex; align-items: center; gap: var(--space-8); }
.campaign-hero-cta { display: flex; gap: var(--space-12); align-items: center; flex-wrap: wrap; }
.campaign-hero-cta .btn--primary { background: #fff; color: var(--color-primary); box-shadow: 0 6px 20px rgba(0,0,0,0.25); }
.campaign-hero-cta .btn--primary:hover { background: var(--color-fill-light); }
.campaign-hero-cta .btn--secondary { background: rgba(255,255,255,0.15); color: #fff; border-color: rgba(255,255,255,0.4); }
.campaign-hero-cta .btn--secondary:hover { background: rgba(255,255,255,0.25); border-color: #fff; color:#fff; }

/* CTA 状态提示条（Hero 下方解释当前状态对应的 CTA） */
.cta-state-note {
  display: flex; align-items: center; gap: var(--space-12);
  background: var(--color-info-container);
  border: 1px solid #bfe0f7;
  border-radius: var(--radius-md);
  padding: var(--space-12) var(--space-16);
  margin-top: var(--space-16);
  font: var(--font-body);
  color: var(--color-primary);
}

/* ---- 活动规则区（CampaignRuleDisplay 三层递进） ---- */
.campaign-section { margin-top: var(--space-48); }
.campaign-section-title {
  font: 700 22px/1.3 var(--font-family-base);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-24);
  display: flex; align-items: center; gap: var(--space-12);
}
.campaign-section-title::before {
  content: ""; width: 4px; height: 22px; background: var(--color-primary); border-radius: var(--radius-pill);
}

.rules-card {
  background: var(--color-bg-container);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card-marketing);
  padding: var(--space-32);
}
.rules-steps { display: flex; flex-direction: column; gap: 0; }
.rule-step {
  display: flex; gap: var(--space-20);
  padding: var(--space-20) 0;
  position: relative;
}
.rule-step:not(:last-child)::after {
  content: ""; position: absolute;
  left: 19px; top: 52px; bottom: -8px;
  width: 2px; background: var(--color-border);
}
.rule-step-num {
  width: 40px; height: 40px; flex-shrink: 0;
  border-radius: var(--radius-circle);
  background: var(--color-primary-outline-bg);
  color: var(--color-primary);
  display: inline-flex; align-items: center; justify-content: center;
  font: 700 16px/1 var(--font-family-base);
  z-index: 1;
}
.rule-step-body { flex: 1; padding-top: var(--space-4); }
.rule-step-title { font: 600 16px/1.5 var(--font-family-base); color: var(--color-text-primary); margin: 0 0 var(--space-4); display: flex; align-items: center; gap: var(--space-12); flex-wrap: wrap; }
.rule-step-amount { font: 700 16px/1 var(--font-family-base); color: var(--color-primary); background: var(--color-primary-outline-bg); padding: 4px 10px; border-radius: var(--radius-sm); }
.rule-step-desc { font: var(--font-body); color: var(--color-text-secondary); margin: 0; line-height: 1.7; }
.rule-step-meta { display: flex; gap: var(--space-16); margin-top: var(--space-8); flex-wrap: wrap; }
.rule-step-meta span { font: var(--font-label); color: var(--color-text-tertiary); display: inline-flex; align-items: center; gap: var(--space-4); }

/* ---- 适用产品区 ---- */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-20); }
.product-card {
  background: var(--color-bg-container);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-24);
  display: flex; flex-direction: column; gap: var(--space-12);
  transition: all 0.15s ease;
}
.product-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-card-marketing); transform: translateY(-2px); }
.product-card-icon { width: 44px; height: 44px; border-radius: var(--radius-md); background: var(--color-primary-outline-bg); color: var(--color-primary); display: inline-flex; align-items: center; justify-content: center; }
.product-card-name { font: 600 16px/1.4 var(--font-family-base); color: var(--color-text-primary); margin: 0; }
.product-card-desc { font: var(--font-label); color: var(--color-text-tertiary); margin: 0; line-height: 1.6; }
.product-card-action { margin-top: var(--space-4); }

/* 已结束提示（已过期态） */
.expired-banner {
  background: var(--color-fill-normal);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-24);
  text-align: center;
  margin-top: var(--space-32);
}
.expired-banner-title { font: 600 16px/1.4 var(--font-family-base); color: var(--color-text-secondary); margin: 0 0 var(--space-12); }
.expired-banner-recs { display: flex; gap: var(--space-16); justify-content: center; margin-top: var(--space-16); }