/* 启元机器人区块 */
.qiyuan-section {
  position: relative;
  z-index: 10;
  clear: both;
  background: #0a0a0a;
  color: #fff;
  padding: 80px 0;
  margin-top: 0;
  scroll-margin-top: 64px;
}
.qiyuan-section.light {
  background: #f5f7fb;
  color: #333;
}
.qiyuan-wrap { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.qiyuan-head { text-align: center; margin-bottom: 48px; }
.qiyuan-head .brand-tag {
  display: inline-block;
  padding: 6px 18px;
  border: 1px solid rgba(68,201,193,.5);
  border-radius: 999px;
  color: #44c9c1;
  font-size: 14px;
  margin-bottom: 16px;
}
.qiyuan-head h2 { font-size: 36px; font-weight: 700; margin-bottom: 14px; }
.qiyuan-head .qiyuan-slogan { font-size: 18px; color: #44c9c1; margin-bottom: 12px; font-weight: 500; }
.qiyuan-head p { font-size: 16px; color: #aaa; max-width: 800px; margin: 0 auto; line-height: 1.8; }
.qiyuan-section.light .qiyuan-head p { color: #666; }

/* 产品区块：宣传图已含完整视觉，采用上下堆叠布局 */
.qiyuan-product {
  margin-bottom: 64px;
}
.qiyuan-product-stack {
  display: block;
}
.qiyuan-product-img {
  max-width: 653px;
  margin: 0 auto 32px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0,0,0,.35);
}
.qiyuan-product-img img {
  width: auto;
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}
.qiyuan-product-info {
  max-width: 900px;
  margin: 0 auto;
}
.qiyuan-product-info h3 {
  font-size: 28px;
  margin-bottom: 8px;
  color: #44c9c1;
}
.qiyuan-product-info .subtitle {
  font-size: 18px;
  color: #fff;
  margin-bottom: 20px;
  font-weight: 600;
}
.qiyuan-section.light .qiyuan-product-info .subtitle { color: #1a1a2e; }
.qiyuan-product-info p {
  font-size: 15px;
  line-height: 1.9;
  color: #bbb;
  margin-bottom: 16px;
}
.qiyuan-section.light .qiyuan-product-info p { color: #555; }
.qiyuan-features {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.qiyuan-features span {
  padding: 6px 14px;
  background: rgba(68,201,193,.12);
  border: 1px solid rgba(68,201,193,.3);
  border-radius: 999px;
  font-size: 13px;
  color: #44c9c1;
}
.qiyuan-section.light .qiyuan-features span {
  background: rgba(23,75,229,.06);
  border-color: rgba(23,75,229,.2);
  color: #174be5;
}

.qiyuan-specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 24px 0 16px;
}
.qiyuan-spec-item {
  text-align: center;
  padding: 16px 10px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(68,201,193,.2);
  border-radius: 12px;
}
.qiyuan-spec-item strong {
  display: block;
  font-size: 22px;
  color: #44c9c1;
  margin-bottom: 6px;
}
.qiyuan-spec-item span { font-size: 12px; color: #999; line-height: 1.4; }

.qiyuan-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}
.qiyuan-highlight-card {
  padding: 20px 18px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
}
.qiyuan-highlight-card h4 { font-size: 16px; color: #44c9c1; margin-bottom: 10px; }
.qiyuan-highlight-card p { font-size: 13px; color: #999; line-height: 1.7; margin: 0; }

.qiyuan-awards { text-align: center; margin-bottom: 64px; }
.qiyuan-awards-title { font-size: 24px; margin-bottom: 20px; color: #fff; }
.qiyuan-award-tags {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;
  margin-bottom: 28px;
}
.qiyuan-award-tags span {
  padding: 8px 16px;
  background: rgba(68,201,193,.1);
  border: 1px solid rgba(68,201,193,.25);
  border-radius: 999px;
  font-size: 13px;
  color: #44c9c1;
}
.qiyuan-awards img {
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  border-radius: 12px;
}
.qiyuan-awards-cap {
  margin-top: 20px;
  font-size: 15px;
  color: #888;
}

.qiyuan-demo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.qiyuan-demo-img { border-radius: 16px; overflow: hidden; }
.qiyuan-demo-img img { width: 100%; display: block; }
.qiyuan-demo-text h3 { font-size: 24px; margin-bottom: 16px; color: #44c9c1; }
.qiyuan-demo-text p { font-size: 15px; line-height: 1.9; color: #bbb; margin-bottom: 14px; }

.qiyuan-brand {
  text-align: center;
  padding: 48px 24px;
  background: linear-gradient(135deg, rgba(23,75,229,.15), rgba(68,201,193,.1));
  border-radius: 16px;
  margin-top: 48px;
}
.qiyuan-brand h3 { font-size: 22px; margin-bottom: 12px; }
.qiyuan-brand p { font-size: 15px; color: #aaa; line-height: 1.8; max-width: 720px; margin: 0 auto 20px; }
.qiyuan-pdf-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  border-radius: 999px;
  border: 1px solid rgba(68,201,193,.4);
  color: #44c9c1;
  font-size: 14px;
  transition: background .2s, color .2s;
}
.qiyuan-pdf-link:hover { background: rgba(68,201,193,.15); color: #fff; }

@media screen and (max-width: 768px) {
  .qiyuan-section { padding: 48px 0; }
  .qiyuan-head h2 { font-size: 26px; }
  .qiyuan-head .qiyuan-slogan { font-size: 15px; }
  .qiyuan-specs { grid-template-columns: repeat(2, 1fr); }
  .qiyuan-highlights { grid-template-columns: 1fr; }
  .qiyuan-demo { grid-template-columns: 1fr; gap: 24px; }
  .qiyuan-product-info h3 { font-size: 22px; }
  .qiyuan-awards img { border-radius: 8px; }
  .qiyuan-product-img { margin-bottom: 24px; border-radius: 10px; }
}