.yunship {
  overflow-x: hidden;
  height: auto;
}
.yunship_header {
  position: relative;
  width: 100%;
  height: 602px;
}
.yunship_header img {
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%;
}
.yunship_header_content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 1300px;
  margin: 0 auto;
  padding-top: 139px;
  color: #ffffff;
}
.yunship_header_content .title {
  display: flex;
  align-items: center;
  font-size: 45px;
  color: #261c19;
}
.yunship_header_content .title::before {
  content: "";
  margin-right: 15px;
  width: 7px;
  height: 44px;
  background: #ed7422;
  border-radius: 4px;
}
.yunship_header_content .desc {
  padding-top: 74px;
  width: 576px;
  font-size: 16px;
  color: #666666;
  line-height: 34px;
}
.yunship_header_content .button {
  margin-top: 50px;
  display: block;
  background: #ed7422;
  height: 38px;
  line-height: 38px;
  border-radius: 10px;
  padding: 0 27px;
  font-size: 18px;
  color: #fff;
  transition: all 0.3s;
}

.yunship_header_box {
  width: 1300px;
  padding-top: 80px;
  margin: 0 auto;
}
.yunship_header_box .title {
  display: flex;
  align-items: center;
  font-size: 45px;
  color: #261c19;
  padding-bottom: 59px;
  /* text-transform: uppercase; */
}
.yunship_header_box .title::before {
  content: "";
  margin-right: 15px;
  width: 7px;
  height: 44px;
  background: #ed7422;
  border-radius: 4px;
}
.yunship_header_box .service-overview {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  width: 1480px;
  transform: translateX(-90px);
}
.yunship_header_box .service-overview .item {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 25%;
  margin-top: 85px;
}
.yunship_header_box .service-overview .item:nth-child(-n + 4) {
  margin-top: 0;
}
.yunship_header_box .service-overview .item .icon {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 57px;
}
.yunship_header_box .service-overview .item .text {
  margin-top: 27px;
  font-size: 40px;
  font-weight: bold;
  color: #0e1d49;
}
.yunship_header_box .item .sub-text {
  margin-top: 10px;
  font-size: 18px;
  line-height: 26px;
  text-align: center;
  color: #666666;
}
.yunship_header_box .desc {
  font-size: 18px;
  color: #666666;
}
.yunship_header_box .content {
  /* position: relative; */
  margin-top: 28px;
  /* height: 549px; */
}
.yunship_header_box .content img {
  width: 100%;
  /* position: absolute; */
  /* top: 0;
  left: 50%;
  transform: translateX(-50%);
  height: 100%; */
}
.yunship_header_box--line {
  width: 100%;
}

.yunship_header_box .service-process {
  position: relative;
  height: 634px;
}
.yunship_header_box .service-process > img {
  position: absolute;
  left: 50%;
  width: auto;
  height: 100%;
  transform: translateX(-50%);
}
.yunship_header_box .air-transport-service-solution {
  display: flex;
  flex-wrap: wrap;
  /* justify-content: space-between; */
  margin-top: 60px;
}
.yunship_header_box .air-transport-service-solution .item {
  flex: 1;
  text-align: center;
  min-width: 106px;
}
.yunship_header_box .air-transport-service-solution .item .text {
  margin-top: 20px;
}

/* 服务矩阵：手风琴展开动画，图片铺满 + 文字居中（参考 yunship.com） */
.yunship_header_box .service-portfolio {
  display: flex;
  gap: 6px;
  align-items: stretch;
}
.yunship_header_box .service-portfolio-item {
  flex: 1;
  position: relative;
  min-height: 520px;
  border-radius: 8px;
  overflow: hidden;
  transition: flex 0.35s ease-out, box-shadow 0.35s ease-out;
}
/* 默认第一项展开 */
.yunship_header_box .service-portfolio:not(:hover) .service-portfolio-item.is-active {
  flex: 3.2;
}
.yunship_header_box .service-portfolio:hover .service-portfolio-item {
  flex: 0.75;
}
.yunship_header_box .service-portfolio:hover .service-portfolio-item:hover {
  flex: 3.5;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}
/* 背景图铺满整张卡片 */
.yunship_header_box .service-portfolio-item__image {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.yunship_header_box .service-portfolio-item__image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.15) 0%,
    rgba(0, 0, 0, 0.35) 45%,
    rgba(0, 80, 60, 0.55) 100%
  );
  pointer-events: none;
}
.yunship_header_box .service-portfolio-item__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.35s ease-out;
}
.yunship_header_box .service-portfolio-item:hover .service-portfolio-item__image img {
  transform: scale(1.05);
}
/* 文案层叠在图片上，整体居中 */
.yunship_header_box .service-portfolio-item__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 520px;
  padding: 32px 24px;
  text-align: center;
  color: #ffffff;
  border: none;
  margin: 0;
  background: transparent;
}
.yunship_header_box .service-portfolio-item__title {
  font-size: 28px;
  line-height: 1.3;
  color: #ffffff;
  font-weight: 600;
}
.yunship_header_box .service-portfolio-item__title::after {
  content: "";
  display: block;
  width: 80px;
  height: 4px;
  background: #ed7422;
  margin: 10px auto 0;
}
.yunship_header_box .service-portfolio-item__detail {
  margin-top: 20px;
  font-size: 16px;
  line-height: 30px;
  color: rgba(255, 255, 255, 0.92);
  text-align: center;
}
/* 展开区：收起不占高度，展开淡入 */
.yunship_header_box .service-portfolio-item__expand {
  width: 100%;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(8px);
  transition: max-height 0.35s ease-out, opacity 0.3s ease-out, transform 0.3s ease-out;
  pointer-events: none;
}
.yunship_header_box .service-portfolio:not(:hover) .service-portfolio-item.is-active .service-portfolio-item__expand,
.yunship_header_box .service-portfolio:hover .service-portfolio-item:hover .service-portfolio-item__expand {
  max-height: 360px;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.yunship_header_box .service-portfolio-item__desc {
  margin-top: 18px;
  font-size: 16px;
  line-height: 30px;
  color: #ffffff;
  text-align: center;
}
/* 要点改为居中橙色标签 */
.yunship_header_box .service-portfolio-item__points {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}
.yunship_header_box .service-portfolio-item__point {
  display: inline-block;
  padding: 2px 12px;
  font-size: 14px;
  line-height: 24px;
  color: #000000;
  background: #f0a73e;
  border-radius: 2px;
}
.yunship_header_box .service-portfolio-item__point::before {
  content: none;
}

/* 服务优势：全宽背景横幅，高度 = 背景图 + 卡片高度 */
.yunship .service-advantages {
  position: relative;
  margin-top: 80px;
  margin-bottom: 80px;
  width: 100%;
  height: 748px;
  overflow: hidden;
}
.yunship .service-advantages img {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: auto;
  min-width: 100%;
  height: 352px;
  object-fit: cover;
}
/* 标题与卡片列表容器 */
.yunship .service-advantages__content {
  position: absolute;
  z-index: 1;
  top: 100px;
  left: 50%;
  transform: translateX(-50%);
  width: 1300px;
  height: calc(100% - 100px);
  color: #ffffff;
}
.yunship .service-advantages__content .title {
  display: flex;
  align-items: center;
  font-size: 45px;
  /* text-transform: uppercase; */
}
.yunship .service-advantages__content .title::before {
  content: "";
  margin-right: 15px;
  width: 7px;
  height: 44px;
  background: #ed7422;
  border-radius: 4px;
}
/* 服务优势卡片列表：底部对齐，紧贴背景图下沿 */
.yunship .service-advantages .service-advantage-list-2 {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.yunship .service-advantages .service-advantage-list-2 .item {
  width: 300px;
  height: 396px;
  padding-top: 87px;
  border-bottom: solid 6px #ed7422;
  transition: height 0.3s, padding-top 0.3s;
}
.yunship .service-advantages .service-advantage-list-2 .item .name {
  font-size: 24px;
  font-weight: bold;
  color: #0e1d49;
  text-align: center;
  padding: 0 5px;
}
.yunship .service-advantages .service-advantage-list-2 .item .desc {
  font-size: 18px;
  line-height: 33px;
  color: #3e3a39;
  padding: 26px 24px 0 24px;
}
/* 高亮卡片：增高后自然上延，覆盖背景图底部 */
.yunship .service-advantages .service-advantage-list-2 .item.item-active {
  height: 496px;
  padding-top: 140px;
  background: #008284;
  color: #ffffff !important;
  position: relative;
  z-index: 2;
}
.yunship .service-advantages .service-advantage-list-2 .item.item-active .name,
.yunship .service-advantages .service-advantage-list-2 .item.item-active .desc {
  color: #ffffff;
}
.yunship .service-advantages .service-advantage-list-2 .item.item-active .name {
  text-align: center;
}
/* 英文版文案较长，适当增高区块与卡片 */
#ZTN.en .yunship .service-advantages {
  height: 812px;
}
#ZTN.en .yunship .service-advantages .service-advantage-list-2 .item {
  height: 460px;
}
#ZTN.en .yunship .service-advantages .service-advantage-list-2 .item .name,
#ZTN.en .yunship .service-advantages .service-advantage-list-2 .item .desc {
  line-height: 1.3;
}
#ZTN.en .yunship .service-advantages .service-advantage-list-2 .item.item-active {
  height: 560px;
  padding-top: 80px;
}

/* 我们的承诺：全宽背景横幅 */
.yunship .our-commitment {
  position: relative;
  margin-top: 80px;
  margin-bottom: 80px;
  width: 100%;
  height: 611px;
  overflow: hidden;
}
.yunship .our-commitment img {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: auto;
  min-width: 100%;
  height: 100%;
  object-fit: cover;
}
.yunship .our-commitment .content {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1300px;
  color: #ffffff;
}
.yunship .our-commitment .content .title {
  display: flex;
  align-items: center;
  font-size: 45px;
  /* text-transform: uppercase; */
}
.yunship .our-commitment .content .title::before {
  content: "";
  margin-right: 15px;
  width: 7px;
  height: 44px;
  background: #ed7422;
  border-radius: 4px;
}
.yunship .our-commitment .content .desc {
  max-width: 780px;
  padding-top: 28px;
  font-size: 18px;
  line-height: 34px;
}