/* ============================================================
   Puchuan — section-products-solutions.css
   产品与方案：交替布局区块 + 锚点导航 + 特性列表 + 适用场景
   ============================================================ */

.solutions-block {
  padding: 4rem 1.5rem;
}

.solutions-anchor {
  scroll-margin-top: 88px;
}

.solutions-block-grid {
  margin: 0 auto;
  max-width: 1140px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

.solutions-block-grid.is-reversed .solutions-art {
  order: 2;
}

/* 渐变 SVG 插图占位 */
.solutions-art {
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 1.5rem;
  border: 1px solid var(--color-card-border);
  background:
    radial-gradient(130% 110% at 15% 0%, rgba(37, 99, 235, 0.12), transparent 55%),
    radial-gradient(120% 100% at 90% 100%, rgba(14, 165, 233, 0.14), transparent 50%),
    linear-gradient(160deg, var(--color-surface) 0%, var(--color-background-subtle) 100%);
  box-shadow: var(--shadow-art);
  overflow: hidden;
}

.solutions-art svg {
  width: 88%;
  max-width: 420px;
  height: auto;
  display: block;
}

/* 插图内装饰动画 */
.art-orbit {
  transform-box: view-box;
  transform-origin: 210px 160px;
  animation: art-spin 26s linear infinite;
}

.art-float {
  animation: art-float 4.5s ease-in-out infinite;
}

.art-float-delayed {
  animation: art-float 5.5s ease-in-out 1.2s infinite;
}

@keyframes art-spin {
  to { transform: rotate(360deg); }
}

@keyframes art-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* 产品内容 */
.solutions-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--color-primary-tint-8);
  color: var(--color-primary-700);
  font-size: 0.8125rem;
  font-weight: 600;
}

.solutions-title {
  margin: 16px 0 14px;
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text-primary);
}

.solutions-summary {
  margin: 0 0 26px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

/* 特性列表 */
.solutions-features {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px 24px;
}

.solutions-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
}

.solutions-features svg {
  width: 16px;
  height: 16px;
  flex: none;
  margin-top: 3px;
  color: var(--color-primary-500);
}

/* 适用场景卡片 */
.solutions-scenario {
  display: flex;
  gap: 14px;
  padding: 20px 22px;
  margin-bottom: 28px;
  border-radius: 1rem;
  background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-secondary-50) 100%);
  border: 1px solid var(--color-primary-border-soft);
}

.solutions-scenario-icon {
  width: 34px;
  height: 34px;
  flex: none;
  margin-top: 1px;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-glow-icon);
}

.solutions-scenario-icon svg {
  width: 20px;
  height: 20px;
}

.solutions-scenario h3 {
  margin: 0 0 6px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary-700);
}

.solutions-scenario p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

/* 区块 CTA */
.solutions-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  /* 蓝青渐变按钮：DESIGN-SPEC §5.1 登记的 .solutions-cta 变体同款渐变，保留原始端点 */
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  color: var(--color-on-primary);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: var(--shadow-glow-cta);
  transition: transform 0.2s, box-shadow 0.2s;
}

.solutions-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow-cta-lg);
}

.solutions-cta svg {
  transition: transform 0.2s;
}

.solutions-cta:hover svg {
  transform: translateX(3px);
}

/* 响应式 */
@media (min-width: 900px) {
  .solutions-block {
    padding: 6rem 1.5rem;
  }

  .solutions-block-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .solutions-features {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 900px) {
  .solutions-block-grid.is-reversed .solutions-art {
    order: 0;
  }
}

@media (min-width: 640px) {
  .solutions-features {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .solutions-title {
    font-size: 2.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .art-orbit,
  .art-float,
  .art-float-delayed {
    animation: none;
  }
}