/* ==================== 产品特性卡片 ==================== */
.product-service .section-header h2,
#product .section-header h2 {
  font-size: 40px;
}
.pro-content .item {
  transition: transform var(--transition), box-shadow var(--transition);
  border-radius: var(--radius-sm);
}
.pro-content .item:hover {
  transform: translateY(-2px);
}
.pro-content .item:hover .pro-icon {
  transform: scale(1.08);
}
.pro-icon {
  transition: transform var(--transition);
}

/* ==================== 产品卡片 ==================== */
.product-service .item {
  display: flex;
  align-items: center;
  background: #FFFFFF;
  border-radius: var(--radius-sm);
  padding: 24px;
  margin-bottom: 24px;
  border: 1px solid #F0F0F0;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.product-service .item:hover {
  border-color: #DDD;
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.product-service .cover {
  width: 50%;
  border-radius: 4px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.product-service .item:hover .cover {
  transform: scale(1.03);
}
.product-service .text {
  width: 50%;
  color: var(--text-primary);
}
.product-service .title {
  padding: 0 2rem;
  box-sizing: border-box;
  color: var(--text-primary);
  font-size: 20px;
}
.product-service .desc {
  padding: 0 2rem;
  margin-top: 16px;
  box-sizing: border-box;
  color: var(--text-secondary);
  font-size: 16px;
}

/* 图片左右交替 */
.product-service .item:nth-child(2n) {
  flex-direction: row-reverse;
}
.product-service .item:nth-child(2n) .cover {
  order: 2;
}
.product-service .item:nth-child(2n) .text {
  order: 1;
}

/* ==================== 品牌墙 ==================== */
.brand {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-16);
  margin-bottom: 24px;
}
.brand > div {
  width: 100%;
  min-width: unset;
  height: 80px;
  line-height: 80px;
  box-sizing: border-box;
  box-shadow: var(--shadow-sm);
  text-align: center;
  padding: 0 var(--sp-8);
  background-color: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.brand > div:hover {
  border-color: #CCC;
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.brand > div img {
  max-height: 100%;
  object-fit: contain;
  background-color: var(--bg-card);
  transition: transform var(--transition);
}
.brand > div:hover img {
  transform: scale(1.05);
}

/* ==================== "了解更多" 按钮 ==================== */
.more-btn,
.more-btn:link,
.more-btn:visited,
.more-btn:hover,
.more-btn:focus,
.more-btn:active {
  display: inline-block;
  padding: 10px 28px;
  margin-top: var(--sp-24);
  background: var(--blue);
  color: #fff !important;
  font-weight: 500;
  font-size: 15px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  text-decoration: none !important;
}
.more-btn:hover {
  color: #fff !important;
  background: var(--blue-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  text-decoration: none !important;
}

/* ==================== 合作伙伴 ==================== */
.section-partner .container .item .cover {
  width: 100%;
  object-fit: contain;
  opacity: 0;
}
.section-partner .section-header {
  max-width: 100%;
}

/* ==================== 占位背景 ==================== */
.bg-cover {
  position: relative;
  background-color: var(--border-color);
}
.bg-cover .cover {
  opacity: 0;
}
.bg-cover .more-tip {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: 24px;
}

/* ==================== 品牌按钮 ==================== */
.brand-btn {
  display: block !important;
  margin: 0 auto !important;
  width: fit-content;
  text-align: center;
}

/* ==================== 技术合伙人流程图 ==================== */
.partner-flow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  margin: 32px auto;
  max-width: 1000px;
  flex-wrap: wrap;
}
.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 180px;
  padding: 24px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition);
}
.flow-step:hover {
  border-color: var(--text-primary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}
.flow-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  margin-bottom: var(--sp-16);
  transition: transform var(--transition);
}
.flow-step:hover .flow-icon {
  transform: scale(1.1);
}
.flow-icon svg {
  width: 100%;
  height: 100%;
}
.flow-label {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-6);
}
.flow-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.flow-arrow {
  display: flex;
  align-items: flex-start;
  padding-top: 28px;
  color: #BFBFBF;
  flex-shrink: 0;
  width: 32px;
}
.flow-arrow svg {
  width: 24px;
  height: 24px;
}

/* ==================== 合伙人亮点 ==================== */
.partner-highlights {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.highlight-item {
  text-align: center;
  min-width: 120px;
  padding: 20px 24px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.highlight-item:hover {
  border-color: var(--text-primary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
.highlight-num {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
}
.highlight-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 6px;
}

/* ==================== 优势数字 ==================== */
.advantage {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
}
.advantage .item {
  border: 1px solid var(--border-color);
  width: 20%;
  padding: 16px 0;
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.advantage .item:hover {
  border-color: #CCC;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ==================== 响应式 ==================== */
@media (max-width: 767px) {
  .product-service .item {
    width: 100%;
    flex-wrap: wrap;
  }
  .product-service .cover {
    width: 100%;
    margin-bottom: 16px;
  }
  .product-service .text {
    width: 100%;
  }
  .pro-content .item {
    width: 48%;
  }
  .brand {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-service .item:nth-child(2n) .cover {
    order: 1;
  }
  .product-service .item:nth-child(2n) .text {
    order: 2;
  }
  .more-btn {
    margin-bottom: var(--sp-16);
  }
  .advantage .item {
    width: 45%;
  }
  .advantage .item:nth-child(1),
  .advantage .item:nth-child(2) {
    margin-bottom: 16px;
  }
  .bg-cover .more-tip {
    width: 100%; height: 100%; left: 0;
  }
  .partner-flow {
    flex-direction: column;
    align-items: center;
    gap: var(--sp-8);
  }
  .flow-step {
    width: 100%;
    max-width: 260px;
  }
  .flow-arrow {
    padding-top: 0;
    transform: rotate(90deg);
    width: 24px;
  }
}
@media (max-width: 992px) {
  .section-partner .container .item {
    width: 100%;
  }
}