@media (max-width: 768px) {
  html {
    font-size: calc(100vw / 18);
  }
}
@media (min-width: 768px) 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 / 22.4);
  }
}
/* PC home preloader */
.home-preloader {
  display: none;
}
/* 手机 */
@media (max-width: 768px) {
  .header {
    display: none;
  }
  .head {
    transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
    transform: translate3d(0, 0, 0);
    will-change: transform;
    backface-visibility: hidden;
    display: block;
    width: 100%;
    position: fixed;
    top: 0;
    z-index: 999;
  }
  .head .w-750 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 2% 5%;
    margin: 0 auto;
    background-color: #fff;
  }
  .head .w-750 .indexheaderleft {
    display: flex;
    align-items: center;
    width: 100%;
  }
  .head .w-750 .indexheaderleft .logo {
    display: flex;
    align-items: center;
    width: 100%;
    position: relative;
    z-index: 9;
  }
  .head .w-750 .indexheaderleft .logo .cimgbox {
    display: flex;
    align-items: center;
  }
  .head .w-750 .indexheaderleft .logo .cimgbox img {
    width: 50%;
    height: 100%;
    object-fit: cover;
    margin-top: 0%;
  }
  .head .w-750 .indexheaderleft .logo .cimgbox .logo_w {
    display: block;
  }
  .head .w-750 .indexheaderleft .logo .cimgbox .logo_bl {
    display: none;
  }
  .head .w-750 .indexheaderleft .rightbox {
    display: none;
  }
  .head .w-750 .indexheaderleft .rightbox .cnav {
    position: absolute;
    z-index: 999;
    top: 2.66666667rem;
    left: 0;
    width: 100%;
    height: 0;
    line-height: 2.66666667rem;
    color: #333;
    background: #fff;
    overflow-y: auto;
    transition: 0.5s;
    text-align: left;
  }
  .head .w-750 .indexheaderleft .rightbox .cnav .daohangnavs {
    border-top: 0.06666667rem solid #f1f1f1;
    padding: 0 6%;
  }
  .head .w-750 .indexheaderleft .rightbox .cnav .daohangnavs .ctitlebox {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .head .w-750 .indexheaderleft .rightbox .cnav .daohangnavs .ctitlebox .cn1 {
    display: block;
    width: 90%;
    color: #333;
    font-size: 0.53333333rem;
  }
  .head .w-750 .indexheaderleft .rightbox .cnav .daohangnavs .ctitlebox .svgffg {
    width: 0.53333333rem;
    height: 0.53333333rem;
    transition: all 0.3s;
  }
  .head .w-750 .indexheaderleft .rightbox .cnav .daohangnavs .ctitlebox.on .svgffg {
    transform: rotate(90deg);
  }
  .head .w-750 .indexheaderleft .rightbox .cnav .daohangnavs .dropdownBox {
    display: none;
  }
  .head .w-750 .indexheaderleft .rightbox .cnav .daohangnavs .dropdownBox .dropli {
    border-top: 0.06666667rem solid #f1f1f1;
    padding: 0 6%;
  }
  .head .w-750 .indexheaderleft .rightbox .cnav .daohangnavs .dropdownBox .dropli a {
    color: #333;
    font-size: 0.53333333rem;
  }
  .head .w-750 .indexheaderleft .rightbox .cnav .daohangnavs .dropdownBox .dropli:last-child {
    padding-bottom: 0;
  }
  .head .w-750 .indexheaderleft .rightbox .cnav .daohangnavs .dropdownBox.on {
    display: block;
  }
  .head .w-750 .indexheaderleft .c-switch {
    position: relative;
    z-index: 9;
    display: block;
    width: 1rem;
    height: 0.66666667rem;
    cursor: pointer;
  }
  .head .w-750 .indexheaderleft .c-switch i {
    position: absolute;
    left: 0;
    height: 0.13333333rem;
    width: 100%;
    background: #002b7f;
    transition: all 0.3s;
  }
  .head .w-750 .indexheaderleft .c-switch i:nth-child(1) {
    top: 0;
  }
  .head .w-750 .indexheaderleft .c-switch i:nth-child(2) {
    top: 50%;
    margin-top: -0.02rem;
  }
  .head .w-750 .indexheaderleft .c-switch i:nth-child(3) {
    bottom: -0.07333333rem;
  }
  .c-style2 {
    background-color: #fff !important;
    box-shadow: 0 0 0.66666667rem 0 #33333314;
    position: fixed;
  }
  .c-style2 .w-750 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2% 5%;
    margin: 0 auto;
    background: none;
    backdrop-filter: initial;
    -webkit-backdrop-filter: initial;
  }
  .c-style2 .w-750 .indexheaderleft {
    display: flex;
    width: 100%;
  }
  .c-style2 .w-750 .indexheaderleft .logo {
    display: flex;
    align-items: center;
    width: 100%;
  }
  .c-style2 .w-750 .indexheaderleft .logo .cimgbox {
    display: flex;
    align-items: center;
  }
  .c-style2 .w-750 .indexheaderleft .logo .cimgbox img {
    width: 40%;
    height: 100%;
    object-fit: cover;
    margin-top: 0%;
  }
  .c-style2 .w-750 .indexheaderleft .logo .cimgbox .logo_w {
    display: none;
  }
  .c-style2 .w-750 .indexheaderleft .logo .cimgbox .logo_bl {
    display: block;
  }
  .c-style2 .w-750 .indexheaderleft .rightbox {
    display: flex;
    align-items: center;
  }
  .c-style2 .w-750 .indexheaderleft .rightbox .cnav {
    top: 1.53333333rem;
    height: 100vh;
    transition: 0.5s;
  }
  .c-style2 .w-750 .indexheaderleft .c-switch {
    position: relative;
    display: block;
    margin: 0;
    width: 0.66666667rem;
    height: 0.66666667rem;
    cursor: pointer;
  }
  .c-style2 .w-750 .indexheaderleft .c-switch i {
    position: absolute;
    left: 0;
    height: 0.13333333rem;
    width: 100%;
    background: #002b7f;
    transition: all 0.3s;
  }
  .c-style2 .w-750 .indexheaderleft .c-switch i:nth-child(1) {
    top: 50%;
    margin-top: -0.06666667rem;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
  }
  .c-style2 .w-750 .indexheaderleft .c-switch i:nth-child(2) {
    opacity: 0;
  }
  .c-style2 .w-750 .indexheaderleft .c-switch i:nth-child(3) {
    bottom: 50%;
    margin-bottom: -0.07333333rem;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
  }
  .head.nav-hidden {
    transform: translate3d(0, 0, 0);
    pointer-events: auto;
  }
  .head.actives,
  .head.c-style2 {
    transform: translate3d(0, 0, 0);
    pointer-events: auto;
  }
}
/* pc */
@media (min-width: 768px) {
  .head {
    display: none;
  }
  /* PC home loading */
  html.has-home-preloader body {
    overflow: hidden !important;
    overscroll-behavior: none;
  }
  html.has-home-preloader .global-scrollbar-thumb {
    opacity: 0 !important;
    pointer-events: none !important;
  }
  html.has-home-preloader.has-compact-preloader .home-preloader__number,
  html.has-home-preloader .home-preloader.is-compact .home-preloader__number {
    display: none !important;
  }
  html.has-home-preloader .home-preloader {
    position: fixed;
    inset: 0;
    z-index: 2147483646;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    background: #fff;
    color: #002b7f;
    transform: translate3d(0, 0, 0);
    will-change: transform;
  }
  html.has-home-preloader .home-preloader .home-preloader__center {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: clamp(2.6rem, 22.5vw, 4.3rem);
    aspect-ratio: 1;
  }
  html.has-home-preloader .home-preloader .home-preloader__center .home-preloader__ring {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
    transform: rotate(-90deg);
  }
  html.has-home-preloader .home-preloader .home-preloader__center .home-preloader__ring .home-preloader__ring-track,
  html.has-home-preloader .home-preloader .home-preloader__center .home-preloader__ring .home-preloader__ring-progress {
    fill: none;
    stroke-width: 0.55;
  }
  html.has-home-preloader .home-preloader .home-preloader__center .home-preloader__ring .home-preloader__ring-track {
    stroke: #d9d9d7;
  }
  html.has-home-preloader .home-preloader .home-preloader__center .home-preloader__ring .home-preloader__ring-progress {
    stroke: #002b7f;
    stroke-linecap: round;
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    will-change: stroke-dashoffset;
  }
  html.has-home-preloader .home-preloader .home-preloader__center .home-preloader__logo {
    position: relative;
    z-index: 1;
    width: clamp(0.7rem, 5.25vw, 1rem);
    height: auto;
    transform: translateZ(0);
  }
  html.has-home-preloader .home-preloader .home-preloader__number {
    position: absolute;
    left: clamp(0.24rem, 2.1vw, 0.4rem);
    bottom: clamp(0.2rem, 1.8vw, 0.34rem);
    overflow: hidden;
    font-family: Arial, Helvetica, sans-serif;
    font-size: clamp(0.96rem, 8.75vw, 1.68rem);
    font-weight: 300;
    line-height: 0.78;
    font-variant-numeric: tabular-nums;
    visibility: hidden;
  }
  html.has-home-preloader .home-preloader .home-preloader__number span {
    display: block;
    min-width: 2rem;
  }
  html.has-home-preloader .home-preloader.is-first-visit .home-preloader__number {
    visibility: visible;
  }
  .header {
    background-color: #fff;
    transition: padding 0.5s ease, transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
    transform: translate3d(0, 0, 0);
    will-change: transform;
    backface-visibility: hidden;
    width: 100%;
    height: auto;
    position: fixed;
    top: 0;
    z-index: 9999;
    padding: 0.15rem 0;
    box-shadow: 0 0 0.1rem 0 #3333331a;
  }
  .header .w-1517 {
    width: 16rem;
    margin: 0 auto;
    transition: width 0.45s ease, padding 0.45s ease, background-color 0.3s ease, border-radius 0.45s ease, border-color 0.3s ease;
  }
  .header .w-1517 .logo-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .header .w-1517 .logo-nav .logo {
    width: 4.28rem;
    transition: width 0.45s ease;
  }
  .header .w-1517 .logo-nav .logo a {
    width: 0.6rem;
    height: 0.4rem;
  }
  .header .w-1517 .logo-nav .logo a img {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }
  .header .w-1517 .logo-nav .logo a .logo_w {
    display: block;
  }
  .header .w-1517 .logo-nav .logo a .logo_b {
    display: none;
  }
  .header .w-1517 .logo-nav .nav {
    width: 10.06rem;
    position: relative;
  }
  .header .w-1517 .logo-nav .nav .daohang {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    width: 100%;
  }
  .header .w-1517 .logo-nav .nav .daohang .li {
    transition: color 0.3s ease;
    position: relative;
    z-index: 9;
  }
  .header .w-1517 .logo-nav .nav .daohang .li .zhunav {
    font-size: 0.18rem;
    color: #000;
    font-weight: 400;
    position: relative;
    text-align: center;
    transition: color 0.3s ease;
  }
  .header .w-1517 .logo-nav .nav .daohang .li:hover .zhunav {
    color: #002b7f;
  }
  .header .w-1517 .logo-nav .nav .daohang .li.active .zhunav {
    color: #002b7f;
    font-weight: bold;
  }
  .header .w-1517 .logo-nav .nav .daohang .li.active .zhunav::before {
    content: '';
    position: absolute;
    top: 0.43rem;
    left: 0;
    width: 100%;
    height: 0.03rem;
    background-color: #002b7f;
  }
  .header .w-1517 .logo-nav .yuyanzhuans {
    width: 1.65rem;
    height: 0.4rem;
  }
  .header .w-1517 .logo-nav .yuyanzhuans a {
    display: grid;
    align-items: center;
    justify-content: center;
    border-radius: 0.1rem;
    background-image: -moz-linear-gradient(90deg, #022a55 0%, #0350a6 100%);
    background-image: -webkit-linear-gradient(90deg, #022a55 0%, #0350a6 100%);
    background-image: -ms-linear-gradient(90deg, #022a55 0%, #0350a6 100%);
    width: 1.65rem;
    height: 0.4rem;
    font-size: 0.16rem;
    color: #fff;
  }
}