.rel {
  position: relative;
}
.abs {
  position: absolute;
}
.fixed {
  position: fixed;
}
.flex {
  display: flex;
  display: -webkit-box;
  /* Chrome 4+, Safari 3.1, iOS Safari 3.2+ */
  display: -moz-box;
  /* Firefox 17- */
  display: -webkit-flex;
  /* Chrome 21+, Safari 6.1+, iOS Safari 7+, Opera 15/16 */
  display: -moz-flex;
  /* Firefox 18+ */
  display: -ms-flexbox;
  /* IE 10 */
}
.flex-wrap {
  flex-flow: wrap;
}
.flex-between {
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  -webkit-justify-content: space-between;
  justify-content: space-between;
}
.inline-block {
  display: inline-block;
}
.block {
  display: block;
}
.hide {
  display: none;
}
.bold {
  font-weight: 700;
}
.txt-center {
  text-align: center;
}
.txt-left {
  text-align: left;
}
.txt-right {
  text-align: right;
}
.before {
  opacity: 0;
  visibility: hidden;
}
.after {
  opacity: 1;
  visibility: visible;
}
.font {
  font-family: Arial;
}
.txt {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.upper {
  text-transform: uppercase;
}
.middle {
  vertical-align: middle;
}
.background {
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center center;
}
.mbackground {
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
}
@media screen and (min-width: 1024px) {
  ::-webkit-scrollbar {
    width: 5px;
    background-color: #f7f8f9;
  }
  ::-webkit-scrollbar-thumb {
    background-color: #5983b9;
  }
  .header-wrapper:hover {
    background-color: #fff;
  }
  .header-wrapper:hover .logo-box .init {
    display: none;
  }
  .header-wrapper:hover .logo-box .on {
    display: block;
  }
  .header-wrapper:hover .pc-nav-box a {
    color: #333;
  }
  .header-wrapper:hover .pc-nav-box a.on,
  .header-wrapper:hover .pc-nav-box a:hover {
    color: #5983b9;
  }
  .header-wrapper:hover .pc-nav-box a.on:after,
  .header-wrapper:hover .pc-nav-box a:hover:after {
    background-color: #5983b9;
  }
}
@media screen and (max-width: 1600px) {
  :root {
    --fs18: 17px;
    --fs20: 18px;
    --fs22: 20px;
    --fs24: 22px;
    --fs28: 26px;
    --fs30: 28px;
    --fs36: 34px;
    --fs40: 36px;
    --fs48: 44px;
  }
  .index-box-3 .info {
    top: 1.4rem;
  }
}
@media screen and (max-width: 1440px) {
  :root {
    --fs16: 15px;
    --fs18: 16px;
    --fs20: 17px;
    --fs22: 0.2rem;
    --fs24: 0.22rem;
    --fs28: 0.26rem;
    --fs30: 0.28rem;
    --fs36: 0.3rem;
    --fs40: 0.32rem;
    --fs48: 0.4rem;
  }
  .footer-wrapper {
    padding: 0.4rem 0 0.3rem;
  }
}
@media screen and (max-width: 1366px) {
  :root {
    --fs14: 13px;
    --fs16: 14px;
  }
}
@media screen and (max-width: 1366px) {
  :root {
    --fs14: 12px;
  }
}
@media screen and (max-width: 1004px) {
  :root {
    --fs14: 0.24rem;
    --fs16: 0.28rem;
    --fs18: 0.3rem;
    --fs20: 0.32rem;
    --fs22: 0.36rem;
    --fs24: 0.38rem;
    --fs28: 0.4rem;
    --fs30: 0.42rem;
    --fs36: 0.44rem;
    --fs40: 0.46rem;
    --fs48: 0.48rem;
  }
  .box-container,
  .w1200 {
    width: 100%;
    padding: 0 0.3rem;
  }
  .hidden-xs {
    display: none;
  }
  .hidden-pc {
    display: block;
  }
  .nav-icon {
    font-size: 0;
    width: 0.52rem;
    height: 0.52rem;
    position: relative;
    display: block;
  }
  .nav-icon.on span:nth-child(1) {
    transform: rotate(45deg);
    margin: 0;
    transition: margin 180ms cubic-bezier(0.215, 0.61, 0.355, 1), transform 270ms cubic-bezier(0.215, 0.61, 0.355, 1) 180ms, -webkit-transform 270ms cubic-bezier(0.215, 0.61, 0.355, 1) 180ms;
  }
  .nav-icon.on span:nth-child(2) {
    opacity: 0;
  }
  .nav-icon.on span:nth-child(3) {
    transform: rotate(-45deg);
    margin: 0;
    transition: margin 180ms cubic-bezier(0.215, 0.61, 0.355, 1), transform 270ms cubic-bezier(0.215, 0.61, 0.355, 1) 180ms, -webkit-transform 270ms cubic-bezier(0.215, 0.61, 0.355, 1) 180ms;
  }
  .nav-icon span {
    display: inline-block;
    width: 100%;
    height: 0.04rem;
    background: #fff;
    position: absolute;
    left: 0;
    top: 0.24rem;
    z-index: 10;
    transform-origin: center center;
    transition: margin 140ms cubic-bezier(0.25, 0.46, 0.45, 0.94) 230ms, transform 280ms cubic-bezier(0.215, 0.61, 0.355, 1) 0ms, -webkit-transform 280ms cubic-bezier(0.215, 0.61, 0.355, 1) 0ms;
  }
  .nav-icon span:nth-child(1) {
    margin-top: -6px;
  }
  .nav-icon span:nth-child(2) {
    margin-top: 0;
  }
  .nav-icon span:nth-child(3) {
    margin-top: 6px;
  }
  .phone-nav {
    width: 100%;
    height: calc(100% - 1.2rem);
    position: fixed;
    right: 0;
    top: 1.2rem;
    background: #fff;
    z-index: 501;
    overflow: auto;
    border-top: 1px solid #f3f3f3;
  }
  .phone-nav a {
    position: relative;
    display: block;
    font-size: 0.3rem;
    color: #333;
    line-height: 0.96rem;
    padding: 0 0.3rem;
    border-bottom: 1px solid #f3f3f3;
  }
  .phone-nav a.on {
    color: #5983b9;
  }
  .pic img.pc {
    display: none;
  }
  .pic img.phone {
    display: block;
  }
  .pc-nav-box {
    display: none;
  }
  .content {
    line-height: 0.48rem;
  }
  .header-wrapper {
    background-color: rgba(0, 0, 0, 0.1);
  }
  .header-wrapper.shadow .nav-icon span {
    background-color: #5983b9;
  }
  .header-wrapper .box-container {
    height: 1.2rem;
  }
  .header-wrapper .logo-box {
    width: 56%;
  }
  .footer-wrapper .copyright,
  .footer-wrapper .copyright a {
    font-size: 0.24rem;
  }
  .footer-wrapper .copyright {
    line-height: 0.4rem;
  }
  .index-title {
    font-size: var(--fs30);
    margin-bottom: 0.4rem;
  }
  .index-more {
    min-width: 2.4rem;
    line-height: 0.82rem;
    font-size: var(--fs16);
  }
  .index-box-1 {
    padding: 2.1rem 0 0.7rem;
    background-image: url(../img/p_bg.jpg);
  }
  .index-box-1 .box-container {
    display: block;
  }
  .index-box-1 .info {
    width: 100%;
    text-align: center;
  }
  .index-box-1 .pic {
    width: 100%;
    margin-top: 0.8rem;
  }
  .index-box-1 .content {
    text-align: center;
    margin-bottom: 0.5rem;
  }
  .index-box-2 .box-container {
    padding-left: 0;
    padding-right: 0;
  }
  .index-box-2 .info {
    padding-left: 0.3rem;
    padding-right: 0.3rem;
  }
  .index-box-2 .content {
    margin-bottom: 0.8rem;
  }
  .index-box-2 .swiper-box {
    margin-top: 1rem;
  }
  .index-box-2 .swiper-slide:nth-child(odd) {
    padding-top: 0.6rem;
  }
  .index-box-3 {
    margin-top: 1.2rem;
  }
  .index-box-3 .info {
    position: static;
    top: 0;
    right: 0;
    text-align: center;
    margin-top: 1.2rem;
    width: 100%;
    padding-left: 0.3rem;
    padding-right: 0.3rem;
  }
  .index-box-3 .index-title.white {
    color: #090a0c;
  }
  .index-box-3 .content {
    color: #666;
    text-align: center;
    margin-bottom: 0.8rem;
  }
  .index-box-3 .index-more.white {
    background: transparent;
    background-image: linear-gradient(to right, #45679d, #5984ba);
    background-blend-mode: overlay, normal;
    color: #fff;
  }
  .index-box-4 {
    margin-top: 1.2rem;
    padding-bottom: 1.08rem;
  }
  .index-box-4 .top {
    padding: 1.1rem 0 2rem;
  }
  .index-box-4 .top:before {
    background-attachment: inherit;
  }
  .index-box-4 .main {
    margin-top: -1.6rem;
  }
  .index-box-4 .main .box-container {
    padding-left: 0;
    padding-right: 0;
  }
  .index-box-4 .pic-box {
    width: 45%;
    margin-left: 0;
  }
  .index-box-4 .info-box {
    width: 51%;
    margin-top: 0.8rem;
    padding-right: 0.3rem;
  }
  .index-box-4 .tab-box a {
    width: 1.2rem;
    height: 0.8rem;
    border-radius: 6px 6px 0px 0px;
    margin-right: 0.3rem;
  }
  .index-box-4 .tab-box a img {
    width: 0.42rem;
    margin-top: -0.21rem;
    margin-left: -0.21rem;
    transition: all 0.4s ease;
    -webkit-transition: all 0.4s ease;
    -moz-transition: all 0.4s ease;
    -ms-transition: all 0.4s ease;
    -o-transition: all 0.4s ease;
  }
  .index-box-4 .tab-box a .on {
    transform: scale(1.2);
    -webkit-transform: scale(1.2);
    -moz-transform: scale(1.2);
    -ms-transform: scale(1.2);
    -o-transform: scale(1.2);
    opacity: 0;
    visibility: hidden;
  }
  .index-box-4 .title {
    font-size: var(--fs20);
    line-height: 0.48rem;
    margin: 0.8rem auto 0.4rem;
  }
  .index-box-4 li {
    line-height: 0.44rem;
    font-size: 0.24rem;
    margin-bottom: 0.2rem;
    padding-left: 0.5rem;
  }
  .index-box-4 li i {
    width: 0.36rem;
    height: 0.36rem;
    line-height: 0.36rem;
    font-size: 0.24rem;
    top: 0.04rem;
  }
}