/* 通用重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Arial', sans-serif;
}

/* ========== R&D Strength 板块样式 ========== */
.rd-advantage-container {
  width: 100%;
  background: #f7f2ec;
  padding: 60px 20px;
}
.rd-title {
  text-align: center;
  margin-bottom: 40px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}
.rd-title h2 {
  font-size: 32px;
  color: #1a1a1a;
  font-weight: 700;
  margin-bottom: 8px;
}
.rd-title p {
  font-size: 16px;
  color: #666666;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.rd-content-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
  justify-content: center;
}
.rd-img-group {
  flex: 1;
  min-width: 300px;
  display: flex;
  gap: 15px;
  justify-content: center;
}
.rd-img {
  width: 48%;
  border-radius: 8px;
  object-fit: cover;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.rd-img:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}
.rd-text-group {
  flex: 1;
  min-width: 300px;
}
.rd-core-desc {
  font-size: 16px;
  color: #333333;
  line-height: 1.6;
  margin-bottom: 25px;
}
.rd-advantage-list {
  list-style: none;
  margin-bottom: 30px;
}
.rd-advantage-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 20px;
  padding: 15px;
  border-radius: 8px;
  transition: all 0.3s ease;
}
.rd-advantage-list li:hover {
  background: #ffffff;
  transform: translateX(5px);
}
.list-icon {
  font-size: 20px;
  color: #0066cc;
  margin-top: 3px;
}
.list-text h3 {
  font-size: 18px;
  color: #1a1a1a;
  font-weight: 600;
  margin-bottom: 5px;
}
.list-text p {
  font-size: 14px;
  color: #666666;
  line-height: 1.5;
}
.rd-custom-btn {
  display: inline-block;
  padding: 12px 28px;
  background: #eb8117;
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  border-radius: 999px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 3px 6px rgba(235, 129, 23, 0.2);
}
.rd-custom-btn:hover {
  background: #d47415;
  transform: translateY(-2px);
  box-shadow: 0 5px 12px rgba(235, 129, 23, 0.3);
  color: #ffffff;
}

/* ========== Precision Molds 板块样式 ========== */
.mold-advantage-container {
  width: 100%;
  background: #121212;
  padding: 70px 20px;
}
.mold-title {
  text-align: center;
  margin-bottom: 50px;
}
.mold-title h2 {
  font-size: 34px;
  color: #ffffff;
  font-weight: 700;
  margin-bottom: 10px;
}
.mold-title p {
  font-size: 16px;
  color: #b0b0b0;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.mold-content-wrapper {
  max-width: 1200px;
  margin: 0 auto 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.mold-card {
  background: #1e1e1e;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
}
.mold-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 0 25px rgba(255, 255, 255, 0.25);
}
.mold-img-box {
  width: 100%;
  height: 250px;
  overflow: hidden;
}
.mold-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.mold-card:hover .mold-img-box img {
  transform: scale(1.08);
}
.mold-card-content {
  padding: 25px;
}
.mold-card-content h3 {
  font-size: 19px;
  color: #ffffff;
  margin-bottom: 12px;
  font-weight: 600;
}
.mold-card-content p {
  font-size: 14px;
  color: #cccccc;
  line-height: 1.6;
}
.mold-btn-box {
  text-align: center;
}
.mold-custom-btn {
  display: inline-block;
  padding: 14px 35px;
  background: #eb8117;
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  border-radius: 999px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 3px 8px rgba(235, 129, 23, 0.2);
}
.mold-custom-btn:hover {
  background: #d47415;
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(235, 129, 23, 0.3);
}

/* ========== Quality Control 板块样式 ========== */
.qc-container {
  width: 100%;
  background: #f7f2ec;
  padding: 70px 20px;
}
.qc-title-wrap {
  text-align: center;
  max-width: 1000px;
  margin: 0 auto 50px;
}
.qc-main-title {
  font-size: 36px;
  color: #121212;
  font-weight: 700;
  margin-bottom: 12px;
}
.qc-sub-title {
  font-size: 17px;
  color: #555555;
  margin-bottom: 15px;
  font-style: italic;
}
.qc-process-steps {
  max-width: 1200px;
  margin: 0 auto 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}
.process-step {
  padding: 10px 20px;
  background: #ffffff;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 600;
  color: #eb8117;
  white-space: nowrap;
}
.process-line {
  width: 30px;
  height: 2px;
  background: #cccccc;
}
.qc-cards-wrapper {
  max-width: 1400px;
  margin: 0 auto 50px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.qc-card {
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 3px 10px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
}
.qc-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
.qc-card-img {
  width: 100%;
  height: 200px;
}
.qc-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.qc-card-content {
  padding: 20px 15px;
}
.qc-card-content h3 {
  font-size: 16px;
  color: #121212;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.4;
}
.qc-card-content p {
  font-size: 13px;
  color: #666666;
  line-height: 1.5;
}
.qc-highlight-bar {
  max-width: 1000px;
  margin: 0 auto 40px;
  padding: 18px;
  background: #ffffff;
  border-left: 4px solid #eb8117;
  text-align: center;
  border-radius: 8px;
}
.qc-highlight-bar p {
  font-size: 18px;
  color: #121212;
  font-weight: 600;
}
.qc-btn-wrap {
  text-align: center;
}
.qc-custom-btn {
  display: inline-block;
  padding: 15px 40px;
  background: #eb8117;
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  border-radius: 999px;
  text-decoration: none;
  transition: all 0.3s ease;
}
.qc-custom-btn:hover {
  background: #d47415;
  transform: translateY(-3px);
}

/* ========== 响应式适配 ========== */
@media (max-width: 1200px) {
  .qc-cards-wrapper {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 992px) {
  .mold-content-wrapper {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .rd-content-wrapper {
    flex-direction: column;
  }
  .rd-title h2 {
    font-size: 26px;
  }
  .mold-content-wrapper {
    grid-template-columns: 1fr;
  }
  .mold-title h2 {
    font-size: 28px;
  }
  .qc-cards-wrapper {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-line {
    display: none;
  }
  .qc-main-title {
    font-size: 28px;
  }
}
@media (max-width: 480px) {
  .qc-cards-wrapper {
    grid-template-columns: 1fr;
  }
}