@media (max-width: 768px) {
  html {
    font-size: calc(100vw / 18);
  }
}
@media (min-width: 768px) and (max-width: 1358.99px) {
  html {
    font-size: calc(100vw / 19.5);
  }
}
@media (min-width: 1359px) and (max-width: 1401.99px) {
  html {
    font-size: calc(100vw / 19.2);
  }
}
@media (min-width: 1402px) and (max-width: 1681.99px) {
  html {
    font-size: calc(100vw / 18.8);
  }
}
@media (min-width: 1682px) and (max-width: 1921.99px) {
  html {
    font-size: calc(100vw / 19.2);
  }
}
@media (min-width: 1922px) and (max-width: 4000px) {
  html {
    font-size: calc(100vw / 25.6);
  }
}
/* 手机 */
@media (max-width: 768px) {
  /* banner */
  .banner {
    width: 100%;
    height: 100%;
  }
  .banner .sabuubanner {
    width: 100%;
    height: 100%;
  }
  .banner .sabuubanner .con {
    position: relative;
    height: 12rem;
  }
  .banner .sabuubanner .con .mySwiper_banner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 12rem;
    overflow: hidden;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide {
    width: 100% !important;
    position: relative;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .tupiandde {
    width: 100%;
    height: 12rem;
    overflow: hidden;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .tupiandde img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 100%;
    transition: 0.8s linear 1s;
    transform: scale(1);
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 {
    position: absolute;
    top: 4rem;
    left: 5%;
    width: 100%;
    margin: 0 auto;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 h3 {
    width: 100%;
    font-size: 0.8rem;
    color: #fff;
    margin-bottom: 0.66666667rem;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 p {
    width: 60%;
    margin-bottom: 1.33333333rem;
    font-size: 1.06666667rem;
    color: #fff;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 .divjij .mores {
    background-color: #122546;
    border-radius: 6.66666667rem;
    width: 4.33333333rem;
    height: 1.33333333rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.06666667rem;
    transition: all 0.5s;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 .divjij .mores .p {
    color: #fff;
    font-size: 0.53333333rem;
    margin-bottom: 0;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 .divjij .mores i {
    display: block;
    width: 1rem;
    height: 1rem;
    margin-left: 0;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 .divjij .mores i .icon {
    display: block;
    width: 1rem;
    height: 1.06666667rem;
    fill: #1188cc;
  }
  .banner .sabuubanner .con1 {
    display: none;
  }
  /* list */
  .caselist {
    width: 100%;
    height: 100%;
    padding: 10% 5%;
    background-color: #fff;
  }
  .caselist .w-1520 {
    width: 100%;
    margin: 0 auto;
  }
  .caselist .w-1520 .xiaobiaoti {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.33333333rem;
    margin-bottom: 2rem;
  }
  .caselist .w-1520 .xiaobiaoti a {
    background-color: #ffffff00;
    border: 0.06666667rem solid #122546;
    border-radius: 6.66666667rem;
    width: 4.33333333rem;
    height: 1.33333333rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.33333333rem;
    transition: all 0.5s;
    color: #122546;
    font-size: 0.53333333rem;
    margin-bottom: 0;
  }
  .caselist .w-1520 .xiaobiaoti a.active {
    background-color: #122546;
    transition: all 0.5s;
    color: #fff;
  }
  .caselist .w-1520 .xiaobiaoti a:hover {
    background-color: #122546;
    transition: all 0.5s;
    color: #fff;
  }
  .caselist .w-1520 .caoncsialist {
    display: flex;
    flex-wrap: wrap;
    gap: 0.66666667rem;
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml {
    width: 47.8%;
    height: 8rem;
    border-radius: 0.33333333rem;
    position: relative;
    transition: all 0.5s;
    overflow: hidden;
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml .imgzsiz {
    position: absolute;
    z-index: 1;
    width: 100%;
    height: 8rem;
    border-radius: 0.33333333rem;
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml .imgzsiz img {
    width: 100%;
    height: 100%;
    border-radius: 0.33333333rem;
    object-fit: cover;
    transition: all 0.5s;
    transform: scale(1);
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml .wenahsinianx {
    position: absolute;
    z-index: 2;
    bottom: 5%;
    width: 100%;
    padding: 0 5%;
    transition: all 0.5s;
    overflow: hidden;
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml .wenahsinianx h3 {
    text-align: left;
    font-size: 0.53333333rem;
    color: #fff;
    margin-bottom: 0.33333333rem;
    transition: all 0.5s;
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml .wenahsinianx .sanciasn {
    width: 100%;
    height: 0.01333333rem;
    background-color: #fff;
    transition: all 0.5s;
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml .wenahsinianx .contenfien {
    margin-top: 0.33333333rem;
    font-size: 0.53333333rem !important;
    color: #fff !important;
    line-height: 1.8 !important;
    font-family: Arial, Helvetica, sans-serif !important;
    transition: all 0.5s;
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml .wenahsinianx .contenfien * {
    font-size: 0.53333333rem !important;
    color: #fff !important;
    line-height: 1.8 !important;
    font-family: Arial, Helvetica, sans-serif !important;
  }
}
/* pc */
@media (min-width: 768px) {
  /* banner */
  .banner {
    width: 100%;
    height: 100vh;
    /* ✅ 一屏 */
  }
  .banner .sabuubanner {
    width: 100%;
    height: 100%;
  }
  .banner .sabuubanner .con {
    position: relative;
    height: 100%;
    /* ✅ 不再重复 100vh，跟随父级 */
  }
  .banner .sabuubanner .con .mySwiper_banner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* ✅ 跟随父级一屏 */
    overflow: hidden;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper {
    height: 100%;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide {
    width: 100% !important;
    height: 100%;
    position: relative;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .tupiandde {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
    z-index: 10;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .tupiandde img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 100%;
    transition: 0.8s linear 1s;
    transform: scale(1);
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 {
    position: absolute;
    z-index: 25;
    /* ✅ 关键：top 不能固定 450rem，必须随屏幕高度变化且保证装得下 */
    top: clamp(1.6rem, 38vh, 4.5rem);
    left: 20.5%;
    width: 50%;
    margin: 0 auto;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 h3 {
    width: 100%;
    font-size: 0.36rem;
    color: #fff;
    margin-bottom: 0.5rem;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 p {
    width: 40%;
    font-size: 0.48rem;
    color: #fff;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 .divjij {
    position: relative;
    z-index: 9;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 .divjij .mores {
    background-color: #122546;
    border-radius: 1rem;
    width: 1.5rem;
    height: 0.45rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.05rem;
    transition: all 0.5s;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 .divjij .mores .p {
    color: #fff;
    font-size: 0.16rem;
    margin-bottom: 0;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 .divjij .mores i {
    display: block;
    width: 0.3rem;
    height: 0.3rem;
    margin-left: 0;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 .divjij .mores i .icon {
    display: block;
    width: 0.3rem;
    height: 0.32rem;
    fill: #1188cc;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 .divjij .mores:hover {
    gap: 0.15rem;
    transition: all 0.5s;
  }
  .banner .sabuubanner .con1 {
    display: none;
  }
  /* list */
  .caselist {
    width: 100%;
    height: 100%;
    padding: 1.1rem 0;
    background-color: #fff;
  }
  .caselist .w-1520 {
    width: 15.2rem;
    margin: 0 auto;
  }
  .caselist .w-1520 .xiaobiaoti {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.3rem;
    margin-bottom: 0.8rem;
  }
  .caselist .w-1520 .xiaobiaoti a {
    background-color: #ffffff00;
    border: 0.01rem solid #122546;
    border-radius: 1rem;
    width: 1.5rem;
    height: 0.45rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.05rem;
    transition: all 0.5s;
    color: #122546;
    font-size: 0.16rem;
    margin-bottom: 0;
  }
  .caselist .w-1520 .xiaobiaoti a.active {
    background-color: #122546;
    transition: all 0.5s;
    color: #fff;
  }
  .caselist .w-1520 .xiaobiaoti a:hover {
    background-color: #122546;
    transition: all 0.5s;
    color: #fff;
  }
  .caselist .w-1520 .caoncsialist {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    row-gap: 0.55rem;
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml {
    width: 32%;
    height: 4rem;
    border-radius: 0.15rem;
    position: relative;
    transition: all 0.5s;
    overflow: hidden;
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml .imgzsiz {
    position: absolute;
    z-index: 1;
    width: 4.5rem;
    height: 4rem;
    border-radius: 0.15rem;
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml .imgzsiz img {
    width: 100%;
    height: 100%;
    border-radius: 0.15rem;
    object-fit: cover;
    transition: all 0.5s;
    transform: scale(1);
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml .wenahsinianx {
    position: absolute;
    z-index: 2;
    width: 100%;
    bottom: -0.45rem;
    padding: 0 10%;
    transition: all 0.5s;
    overflow: hidden;
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml .wenahsinianx h3 {
    text-align: center;
    font-size: 0.24rem;
    color: #fff;
    margin-bottom: 0.2rem;
    transition: all 0.5s;
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml .wenahsinianx .sanciasn {
    width: 100%;
    height: 0.01rem;
    background-color: #fff;
    transition: all 0.5s;
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml .wenahsinianx .contenfien {
    margin-top: 0.1rem;
    font-size: 0.18rem !important;
    color: #fff !important;
    line-height: 1.8 !important;
    font-family: Arial, Helvetica, sans-serif !important;
    transition: all 0.5s;
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml .wenahsinianx .contenfien * {
    font-size: 0.18rem !important;
    color: #fff !important;
    line-height: 1.8 !important;
    font-family: Arial, Helvetica, sans-serif !important;
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml:hover {
    transition: all 0.5s;
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml:hover .imgzsiz {
    transition: all 0.5s;
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml:hover .imgzsiz img {
    transition: all 0.5s;
    transform: scale(1.05);
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml:hover .wenahsinianx {
    bottom: 5%;
    transition: all 0.5s;
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml:hover .wenahsinianx h3 {
    text-align: left;
    transition: all 0.5s;
  }
  .caselist .w-1520 .caoncsialist .listduhcnkklkml:hover .wenahsinianx .sanciasn {
    width: 100%;
    height: 0.01rem;
    background-color: #fff;
    transition: all 0.5s;
  }
}
@media (min-width: 768px) and (max-width: 1358.99px) {
  /* banner */
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 {
    left: 14%;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 p {
    width: 55%;
  }
}
@media (min-width: 1359px) and (max-width: 1401.99px) {
  /* banner */
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 {
    left: 14%;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 p {
    width: 55%;
  }
}
@media (min-width: 1402px) and (max-width: 1681.99px) {
  /* banner */
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 {
    left: 14%;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 p {
    width: 55%;
  }
}
@media (min-width: 1682px) and (max-width: 1921.99px) {
  /* banner */
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 {
    left: 14%;
  }
  .banner .sabuubanner .con .mySwiper_banner .swiper-wrapper .swiper-slide .w-1517 p {
    width: 55%;
  }
}