.pr {
  position: relative;
}

.w-100 {
  width: 1150px;
  margin: 0 auto;
  display: block;
}

.ban {
  margin-bottom: 20px;
  overflow: hidden;
  background: url('../zdbtzt/banner1.jpg') center center;
  height: 425px;
}

.banbox {

  position: absolute;

  height: 430px;

  left: 10px;

  top: 60px;
}

.banbox h1 {

  font-size: 80px;

  font-weight: 600;

  color: #ff0000;

  line-height: 90px;
  text-shadow: -1px 0 white, 0 1px white, 4px 0 white, 0 -1px white;
}

.banbox p {

  display: block;

  color: #fff;

  font-size: 24px;

  line-height: 35px;

  font-weight: 400;

  letter-spacing: 4px;
}

.banbox b {

  color: #fff;

  text-transform: uppercase;

  font-size: 40px;

  display: block;

  line-height: 70px;
}

.banbox section {

  margin: 30px 0 30px 0;

  background: url('../sgxx/line1.png') no-repeat center center;

  width: 292px;

  height: 42px;
}

.banbox section>p {

  background: #ae1b13;

  color: #fff;

  font-size: 28px;

  line-height: 36px;

  padding: 2px 7px 2px;

  margin-bottom: 40px;
}

.banbox section>span {

  font-size: 24px;

  color: #fff;
  font-weight: bold;
  padding-left: 36px;

  line-height: 40px;
}

.experience-section,
.product-section,
.brand-section {
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.experience-section {
  padding: 10px;
  max-width: 1200px;
  margin: 0 auto;
}

.customer-section {
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

/* 优势区域样式 */
.advantage {
  width: 1200px;
  margin: 20px auto 0;
  display: flex;
  justify-content: center;
  gap: 30px;
}

.advantage-item {
  background-color: #0067ac;
  color: #fff;
  font-family: "宋体", sans-serif;
  font-size: 24px;
  letter-spacing: 10px;
  padding: 3px 40px 3px 55px;
}


.title-container {
  position: relative;
  text-align: center;
  margin-bottom: 20px;
  color: #fff;
  background-color: #0067AC;
  padding: 10px 0;
}

.title-container2 {
  position: relative;
  text-align: center;
  margin-bottom: 20px;
  color: #fff;
  background-color: #0067AC;
  padding: 10px 0 1px;
}

.title-container1 {
  position: relative;
  text-align: center;
  color: #fff;
  background-color: #0067AC;
  padding: 10px 0 70px;
  margin-top: 10px;
}

.title-container1 p,
.title-container2 p {
  color: #FFA500;
}


.feature-icons {
  position: relative;
  width: 80%;
  margin: -60px auto 0;
  background-color: white;
  border-radius: 15px;
  padding: 20px;
  z-index: 10;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.feature-icons .icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 120px;
  padding: 15px 10px;
  gap: 12px;
}

.feature-icons .icon img {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.feature-icons .icon p {
  font-family: '黑体';
  font-size: 16px;
  margin: 0;
  text-align: center;
  color: #333;
}

.experience-section h2,
.product-section h2,
.brand-section h2{
  font-size: 3.2rem;
  font-family: '阿里黑体', sans-serif;
  margin-bottom: 15px;
}

.customer-section h2 {
  font-size: 2.8rem;
  font-family: '阿里黑体', sans-serif;
  margin-bottom: 15px;
  border: #0067AC 4px solid;
  margin: 0 auto 15px;
  width: 400px;
  display: block;
  text-align: center;
  line-height: 80px;
}

.experience-section p,
.product-section p,
.brand-section p {
  font-family: '阿里黑体', sans-serif;
  margin-bottom: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 1px;
}

.customer-section p {
  text-align: center;
  background-color: #0067AC;
  width: 200px;
  line-height: 30px;
  color: #FFF;
  margin: -30px auto 10px;
  display: block;
}

.process-description {
  text-align: left;
  font-size: 1.6rem;
  color: #0067AC;
  font-weight: bold;
}


.product-features,
.process-icons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin: 20px 0;
}


.brand-icons3 {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  position: relative;
  margin-top: -60px;
  z-index: 10;
  width: 80%;
  margin-left: auto;
  margin-right: auto;
  padding: 20px;
  aspect-ratio: 16/9;
  border-radius: 25px;
}

.brand-description,
.brand-products,
.brand-application,
.brand-awards,
.brand-certifications,
.brand-honors,
.brand-strength {
  text-align: justify;
  text-justify: inter-word;
  text-indent: 2em;
  margin-bottom: 20px;
  line-height: 1.8;
  font-size: 14px;
  hyphens: auto;
  word-break: break-word;
  padding: 0 10px;
  font-weight: normal;
  /* 设置常规字重 */
}

.brand-description1 {
  font-family: '宋体';
  text-align: justify;
  text-justify: inter-word;
  text-indent: 2em;
  margin-bottom: 20px;
  line-height: 1.8;
  font-size: 12px;
  hyphens: auto;
  word-break: break-word;
  padding: 0 50px;
  font-weight: bold;
}

.zdbt {
  color: #0067AC;
}

.zdbg {
  color: #000;
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 50px;
  margin: 10px auto;
  max-width: 1100px;
}

.feature-item {
  position: relative;
  width: calc(25% - 40px);
  aspect-ratio: 1;
  text-align: center;
}

.feature-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
}

.feature-item p {
  color: #fff;
  font-size: 18px;
  font-weight: bold;
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  z-index: 2;
  margin: 0;
}

/* 修改图标背景色 */
.process-icons .icon:nth-child(1),
.process-icons .icon:nth-child(3) {
  background-color: #ADD3F0;
}

.process-icons .icon:nth-child(2),
.process-icons .icon:nth-child(4) {
  background-color: #5CA5DB;
}

/* 保持原有图标样式 */
.icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 60px;
  position: relative;
}

.icon img {
  width: 50px;
  height: 50px;
  margin-bottom: 5px;
  z-index: 1;
}

.icon p {
  font-size: 1rem;
  text-align: center;
  white-space: nowrap;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  margin: 0;
}

.product-table {
  width: 90%;
  border-collapse: collapse;
  margin: 0 auto 50px;
  text-align: center;
}

.rail-chart1 {
  width: 100%;
  margin-bottom: 20px;
  background-color: #deebf4;
}

.zdbtk {
  width: 90%;
  background-color: white;
  margin: 0 auto 1px;
  color: #0067AC;
  padding: 10px 0px;
  font-weight: bold;
  font-size: 1.8rem;
}

/*  标题  */
.caption-container1 {
  position: relative;
  width: 100%;
  height: 20px;
  margin-bottom: 30px;
  background-color: #0067AC;
}

.caption-container span {
  font-size: 20px;
  width: 220px;
  position: absolute;
  left: 60px;
  top: 0;
  background-color: #fff;
  padding: 0 10px;
  height: 20px;
  line-height: 15px;
  display: inline-block;
  font-weight: bold;
}

.caption-container1 span {
  font-size: 20px;
  width: 220px;
  position: absolute;
  left: 60px;
  top: 0;
  background-color: #deebf4;
  padding: 0 10px;
  height: 20px;
  line-height: 15px;
  display: inline-block;
  font-weight: bold;
}

.product-table caption {
  font-size: 24px;
  margin: 10px 0;
  color: #0067AC;
  font-weight: bold;
}

.product-table caption span {
  font-size: 14px;
  margin-bottom: 10px;
  color: #0067AC;
}

.product-table th:first-child {
  font-weight: bold;
  color: #0067AC;
}

.product-table th,
.product-table td {
  border: 1px solid #3498db;
  padding: 8px;
  text-align: left;
  font-size: 20px;
  font-weight: bold;
}

.product-table th:first-child,
.product-table td:first-child {
  border-left: none;
}

.product-table th:last-child,
.product-table td:last-child {
  border-right: none;
}

.product-table tbody {
  font-size: 14px;
  font-weight: bold;
}

.precision-chart img,
.rail-chart img {
  width: 100%;
  height: auto;
  margin-bottom: 20px;
}

.customer-images {
  max-width: 1200px;
  margin: 0 auto;
}

.customer-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 20px;
}

.customer-item {
  width: calc(50% - 10px);
}

.customer-item img {
  width: 100%;
  height: auto;
  border: 1px solid #ddd;
  border-radius: 4px;
}

/*  标题  */
.caption-container {
  position: relative;
  width: 100%;
  height: 20px;
  margin-bottom: 30px;
  background-color: #0067AC;
}

.brand-section .title- .caption-container span {
  font-size: 20px;
  width: 220px;
  position: absolute;
  left: 60px;
  top: 0;
  background-color: white;
  padding: 0 10px;
  height: 20px;
  line-height: 15px;
  display: inline-block;
  font-weight: bold;
}

html {
  font-size: 16px;
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }

  /* 容器布局适配 */
  .experience-section,
  .product-section,
  .brand-section,
  .customer-section {
    padding: 10px;
    max-width: 100%;
  }

  .advantage {
    width: 100%;
    gap: 8px;
    flex-wrap: wrap;
  }

  .advantage-item {
    font-size: 1rem;
    padding: 3px 10px 3px 20px;
    letter-spacing: 3px;
  }

  /* 标题字号适配 */
  .experience-section h2,
  .product-section h2,
  .brand-section h2{
    font-size: 2.2rem;
    margin-bottom: 10px;
  }

  .customer-section h2 {
    width: 80%;
    font-size: 2rem;
    line-height: 60px;
  }


  .experience-section p,
  .product-section p,
  .brand-section p,
  .customer-section p {
    font-size: 1rem;
    letter-spacing: 0.5px;
  }


  .feature-icons {
    width: 95%;
    margin-top: -30px;
    gap: 15px;
  }

  .feature-icons .icon {
    min-width: 80px;
  }


  .feature-item {
    width: calc(50% - 10px);
  }

  .feature-item p {
    font-size: 1.6rem;
    bottom: 10px;
  }


  .product-table {
    width: 100%;
    margin-bottom: 30px;
    overflow-x: auto;
    display: block;
  }

  .product-table th,
  .product-table td {
    min-width: 120px;
    padding: 6px;
    font-size: 1rem;
  }

  .product-table caption {
    font-size: 1.8rem;
  }

 
  .customer-row {
    flex-direction: column;
  }

  .customer-item {
    width: 100%;
    margin-bottom: 15px;
  }

  .brand-icons3 {
    width: 95%;
    padding: 10px;
    aspect-ratio: auto;
  }

  .brand-icons3 img {
    max-width: 100%;
    height: auto;
  }

}