.body1 h1 {
  font-size: 4rem;
  font-family: "黑体", "SimHei", sans-serif;
  font-weight: 900;
  margin: 5px 0;
}

.body1 h2 {
  font-size: 4rem;
  font-family: "黑体", "SimHei", sans-serif;
  font-weight: 900;
  margin: 5px 0;
}

.body1 h3 {
  font-size: 4rem;
  font-family: "黑体", "SimHei", sans-serif;
  font-weight: 900;
  margin: 5px 0;
}

.body1 span {
  font-size: 4rem;
  font-family: "黑体", "SimHei", sans-serif;
  font-weight: 900;
  margin: 5px 0;
}

.body1 p {
  font-size: 21px;
  font-family: "宋体", "SimSun", serif;
  font-weight: bold;
  margin: 5px 0;
}

/* 基础样式 */
.body1 {
  font-family: Arial, sans-serif;
  max-width: 1200px;
  margin: 0 auto;
}

section {
  padding: 10px;
}

.ban {
  height: 498px;
  overflow: hidden;
  background: url(banner1.jpg) center center;
}


.trapezoidal-screw-series h1 {}


.trapezoidal-screw-series {
  text-align: center;
  background-color: #f9f9f9;
}

.trapezoidal-screw-series h1 {
  font-size: 8rem;
  margin-bottom: 10px;
}

.trapezoidal-screw-series p:nth-child(2) {
  font-size: 2.5rem;
  margin-bottom: 10px;
  color: black;
  font-weight: bold;
}

.trapezoidal-screw-series p:nth-child(4) {
  font-size: 3rem;
  margin-bottom: 10px;
  color: #AEAEAE;
}

.trapezoidal-screw-series span {
  padding: 6px 50px;
  background-color: #4C79D0;
  color: white;
  border-radius: 25px;
  margin-bottom: 30px;
  font-size: 20px;
  letter-spacing: 6px;
}

.trapezoidal-screw-series hr {
  height: 6px;
  width: 100px;
  margin: 10px auto;
  background-color: rgb(121, 118, 118);
  border: none;
  border-radius: 5px;
}

.screw-img img {
  margin: 10px 0;
}

.screw-specs {
  width: 90%;
  margin: 0 auto;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 30px;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.screw-specs strong {
  font-size: 1.5rem;
  font-weight: bold;
}

.screw-specs p {
  font-size: 3rem;
  font-weight: bold;
}

.screw-specs th,
.screw-specs td {
  text-align: center;
  padding: 12px;
  font-size: 3.5rem;
  font-weight: bold;
  color: white;
  border: 2px solid white;
  background-color: #0454AB;
}

.screw-specs th {
  background-color: #0454AB;
}


.quality-section {
  text-align: center;
}

.quality-section h2 {
  margin-bottom: 10px;
}

.quality-section hr {
  width: 80px;
  margin-bottom: 10px;
  border-bottom: 4px solid #0454B1;
}

.quality-section p {
  margin-bottom: 15px;
}

.quality-icons {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  margin: 0 15px;
  padding: 20px;
  background-color: white;
  border-radius: 25px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.icon-item {
  width: 33%;
  min-width: 150px;
  margin-bottom: 20px;
}

.icon-item img {
  width: auto;
  height: auto;
  max-width: none;
  max-height: none;
}

.icon-item p {
  font-size: 30px;
  font-weight: bold;
}

/*公制梯形丝杠*/
.specs-section {
  text-align: center;
}

.specs-section h2 {
  margin-bottom: 10px;
}

.specs-section hr {
  width: 80px;
  margin-bottom: 10px;
  border-bottom: 4px solid #0454B1;
}

.specs-section p {
  margin-bottom: 15px;
}


.selected-quality-section {
  text-align: center;
}

.selected-quality-section h2 {}

.selected-quality-section span {
  color: #0453AF;
}

.selected-quality-section hr {
  height: 5px;
  width: 100px;
  margin: 10px auto;
  background-color: #0454B1;
  border: none;
}

.selected-quality-section p {}

.quality-row {
  display: flex;
  justify-content: space-between;
  width: 100%;
  gap: 10px;

}

.quality-item {
  width: calc(49% - 5px);
  background-color: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.quality-item img {
  width: 100%;
  height: auto;
  display: block;
}

.quality-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 230px;
  color: white;
  background-color: #007acc;
  padding: 0 5px;

}

.quality-text {
  flex: 1;
  text-align: left;
}

.quality-number {
  font-size: 6rem;
  font-weight: bold;
  color: #FFF;
}

.quality-text h3 {
  position: relative;
  display: inline-block;
  margin-bottom: 20px;
  color: #fff;
  z-index: 1;
}

.quality-text h3::after {
  content: "";
  position: absolute;
  bottom: 0px;
  left: 0;
  width: 100%;
  height: 15px;
  background-color: #0080FF;
  z-index: -1;
}

.quality-text p {
  font-size: 24px;
}

.quality-img {
  position: relative;
  z-index: 10;
  margin-top: -50px;
}

.quality-img img {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}


.product-details {
  max-width: 1400px;
}


.title-block {
  display: flex;
  width: 100%;
  justify-content: space-between;
  align-items: center;
  margin: 8px auto;
  padding-bottom: 5px;
  border-bottom: 1px solid #ccc;
}


.title-text {
  text-align: left;
  width: 80%;
  margin: 8px 0;
  margin-left: 0;
}


.title-block img {
  width: 60px;
  height: 60px;
  object-fit: contain;
  margin-left: auto;
  margin-right: 0;
}


.product-details h2 {
  margin: 8px auto;
  color: #000;
  margin: 0;
  padding: 0;
}


.product-details h2 span {
  color: #FF9C00;
  margin: 8px auto;
}


.product-details hr {
  width: 40px;
  border-bottom: #0453AF 4px solid;
}


.product-details p {
  margin: 8px auto;
  margin: 0;
  padding: 0;
}

.detail-container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-top: 30px;
}

.detail-item {
  width: calc(33.33% - 20px);
  margin-bottom: 30px;
  text-align: center;
}

.detail-item img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid #ddd;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.detail-item div {
  margin: 20px auto 0;
  font-size: 2.5rem;
  color: #333;
  padding: 10px 0;
  text-align: center;
  border-top: 2px solid #ddd;
  border-bottom: 2px solid #ddd;
  width: 300px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.product-photo-section {
  text-align: center;
}

.product-photo-section h2 {
  margin-bottom: 15px;
}

.product-photo-section hr {
  width: 80px;
  margin-bottom: 10px;
  border-bottom: 5px solid #0454B1;
}

.product-photo-section p {
  margin-bottom: 15px;
}

.product-photo-section h2 span {
  color: #007acc;
}

.photo-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 0 auto;
  max-width: 1200px;
}

.photo-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 5px;
}

.photo-item {
  width: calc(50% - 10px);
  border: 2px solid rgb(82, 81, 81);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}


.application-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
  background-color: #0453AF;
}

.application-section h2 {
  font-size: 4.5rem;
  text-align: center;
  color: #fff;
}

.application-section span {
  font-size: 4.5rem;
  text-align: center;
  color: #FFC600;
}

.application-section p {
  font-size: 16px;
  color: #FFf;
  text-align: center;
  margin: 0 auto;
}

.application-section hr {
  width: 50px;
  border-bottom: #FFf 2px solid;
  margin: 5px 0;
}


.single-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  max-width: 1200px;
  margin: 0 auto;
}


.application-item {
  width: calc(25% - 8px);
  margin-bottom: 20px;
  border-radius: 5px;
  overflow: hidden;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}


.application-item img {
  width: 100%;
  height: auto;
  display: block;
}

.app-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  background-color: #fff;
}

.app-text {
  flex: 1;
  text-align: left;
  order: 1;
}

.app-number {
  order: 2;
  font-size: 8rem;
  font-weight: bold;
  background: linear-gradient(to bottom, #ffffff, #0453AF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}


.about-us {
  padding: 50px 20px;
  text-align: center;
  background: url('gzbj.png');
  min-height: 100vh;
}

.about-us h2 {
  margin-bottom: 20px;
  color: #fff;
}

.about-us hr {
  width: 93%;
  height: 5px;
  border-top: #fff 3px solid;
  margin: 5px 40px 20px 40px;

}

.about-info {
  margin-top: 20px;
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
}

.info-item {
  text-align: center;
  margin-bottom: 20px;
}

.info-item h3 {
  color: #fff;
}

.info-item img {
  width: 100px;
  height: 100px;
}

.about-us p {
  background-color: rgba(128, 128, 128, 0.7);
  color: white;
  padding: 20px;
  max-width: 800px;
  margin: 20px auto;
  border-radius: 5px;
  font-size: 22px;
}

/* suncitygroup太阳成集团 */
.about-us {
  padding: 50px 20px;
  text-align: center;
  background: url('gzbj.png') no-repeat center center/cover;
}

.about-us h2 {
  margin-bottom: 20px;
  color: #fff;
}

.about-us hr {
  width: 93%;
  height: 5px;
  margin: 5px 40px 20px;
  border-top: 3px solid #fff;
}

.about-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.info-item {
  margin-bottom: 20px;
  text-align: center;
}

.info-item h3 {
  font-size: 2rem;
  color: #fff;
}

.info-item img {
  width: 100px;
  height: 100px;
}

.about-us p {
  max-width: 800px;
  margin: 20px auto;
  padding: 20px;
  font-size: 30px;
  color: white;
  border-radius: 5px;
  background-color: rgba(128, 128, 128, 0.7);
}

.about-us img {
  margin-bottom: 20px;
  max-width: 100%;
  height: auto;
}


@media (max-width: 768px) {
  .quality-row {
    flex-direction: column;
  }

  .quality-item {
    width: 100%;
    margin-bottom: 20px;
  }

  .detail-item {
    width: 100%;
  }

  .photo-item {
    width: 100%;
  }

  /* 小屏幕字体调整 */
  h1,
  h2,
  h3 {
    font-size: clamp(1.8rem, 4vw, 5rem);
  }

  p {
    font-size: clamp(0.9rem, 1.8vw, 1.8rem);
  }

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

  .application-item {
    width: 100%;
  }

  .trapezoidal-screw-series p:nth-child(2) {
    font-size: 2rem;
    margin-bottom: 10px;
    color: black;
    font-weight: bold;
  }

  .quality-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0 15px;
    padding: 20px;
    background-color: white;
    border-radius: 25px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  }

  .icon-item {
    width: calc(10% - 5px);
    margin-bottom: 10px;
    justify-content: flex-start;
  }

  .icon-item img {
    width: 100%;
    height: auto;
    max-width: 120px;
  }

  .icon-item p {
    font-size: 18px;
    font-weight: bold;
  }

}