.aboutus {
  min-height: 700px;
  padding-top: 80px;
  padding-bottom: 40px;
  padding-left: 80px;
  width: 100%;
  box-sizing: border-box;
  background-image: url('/img/background1.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.aboutus-title {
  font-size: 56px;
  color: #143850;
}

.aboutus-subtitle {
  margin-bottom: 18px;
  font-size: 26px;
  color: #25384A;
}
.aboutus-desc {
  margin-bottom: 32px;
  font-size: 22px;
  color: #25384A;
}
.aboutus-btn {
  margin-bottom: 56px;
}

.aboutus-main {
  display: flex !important;
  flex-direction: row !important;
  align-items: flex-start !important;
  justify-content: flex-start !important;
  width: 100% !important;
  box-sizing: border-box !important;
}

.aboutleft {
  flex: 1 1 0 !important;
  max-width: 50% !important;
  min-width: 0 !important;
  box-sizing: border-box !important;
}

.aboutright {
  flex: 1 1 50%;
  max-width: 50%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-left: 40px;
  padding-right: 40px;
  box-sizing: border-box;
}

.company-info {
  margin-bottom: 2px;
}

.company-title {
  font-size: 32px;
  font-weight: bold;
  color: #25384A;
  margin-bottom: 8px;
}

.company-en {
  font-size: 28px;
  font-weight: 500;
  color: #25384A;
  margin-bottom: 18px;
}

.company-desc {
  font-size: 16px;
  color: #444;
  line-height: 2;
  margin-bottom: 32px;
  max-width: 700px;
}

.company-cards {
  display: flex;
  gap: 32px;
  max-width: 590px;
  margin: 0 auto;
}

.company-card {
  width: 340px;
  height: 200px;
  border-radius: 14px;
  overflow: hidden;
  background: #222;
  display: flex;
  align-items: center;
  justify-content: center;
}

.company-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 14px;
}

@media (max-width: 1100px) {
  .aboutright, .aboutleft {
    max-width: 100%;
    padding-left: 0;
  }
  .company-cards {
    gap: 16px;
  }
  .company-card {
    width: 160px;
    height: 100px;
  }
}

/* .productcenter {
  width: 100%;
  background-image: url('/img/background2.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 60px 0 40px 0;
  box-sizing: border-box;
} */
.pc-main {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.pc-title {
  font-size: 38px;
  font-weight: bold;
  letter-spacing: 2px;
  color: #222;
  margin-bottom: 8px;
}
.pc-subtitle {
  font-size: 18px;
  color: #666;
  margin-bottom: 32px;
}
.pc-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.pc-tab {
  padding: 8px 18px;
  background: #fff;
  border-radius: 3px;
  color: #222;
  font-size: 16px;
  cursor: pointer;
  border: 1px solid #e5e5e5;
  transition: all 0.2s;
}
.pc-tab.active {
  background: #25384A;
  color: #fff;
  border-color: #25384A;
}
.pc-list {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.pc-item {
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  width: 240px;
  padding: 24px 12px 0 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.pc-item img {
  width: 120px;
  height: 180px;
  object-fit: contain;
  margin-bottom: 0;
}
.pc-item-bar {
  width: 100%;
  background: #25384A;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 0 0 6px 6px;
  padding: 10px 16px;
  margin-top: 18px;
  font-size: 16px;
}
.pc-item-bar a {
  color: #fff;
  text-decoration: underline;
  font-size: 15px;
}

/* whyus模块样式 */
.whyus {
  width: 100%;
  padding: 60px 0 60px 0;
  background: #fff;
}
.whyus-main {
  max-width: 1400px;
  margin: 0 auto;
  text-align: center;
}
.whyus-title {
  font-size: 36px;
  font-weight: bold;
  color: #222;
  margin-bottom: 10px;
}
.whyus-subtitle {
  font-size: 18px;
  color: #666;
  margin-bottom: 40px;
}
.whyus-list {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: nowrap;
  align-items: flex-start;
}
.whyus-item {
  width: 370px;
  height: 520px;
  background-size: cover;
  background-position: center;
  border-radius: 20px;
  position: relative;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 38px 32px 32px 32px;
  box-sizing: border-box;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  overflow: hidden;
}
.whyus-icon img {
  width: 38px;
  height: 38px;
  margin-bottom: 18px;
}
.whyus-item-title {
  font-size: 28px;
  font-weight: bold;
  margin-bottom: 18px;
  color: #fff;
  text-align: left;
}
.whyus-item-desc {
  font-size: 16px;
  line-height: 2;
  color: #fff;
  margin-bottom: 36px;
  text-align: left;
  min-height: 120px;
}
.whyus-btn img {
  width: 140px;
  height: 38px;
  display: block;
}
.whyus-btn {
  margin-top: auto;
}
.whyus-item2,
.whyus-item4 {
  position: relative;
  top: 32px;
  margin-top: 0;
}
@media (max-width: 1200px) {
  .whyus-list {
    gap: 16px;
  }
  .whyus-item {
    width: 320px;
    min-height: 420px;
    padding: 28px 18px 24px 18px;
  }
}
@media (max-width: 900px) {
  .whyus-list {
    flex-direction: column;
    align-items: center;
  }
  .whyus-item {
    width: 90vw;
    min-width: 0;
  }
}

.aboutus-imgbox {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  height: 410px;
  margin-top: 20px;
}

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