@media screen and (min-width: 750px) {
  body {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: auto;
  }
  .banner {
    width: 100%;
    min-width: 1200px;
  }
  .banner img {
    width: 100%;
    animation: slowScale 6s forwards;
    -webkit-animation: slowScale 6s forwards;
  }
  .main__box {
    width: 100%;
    background-color: #fff;
  }
  .main {
    width: 1200px;
    margin: 0 auto;
  }
  .main .list {
    display: flex;
    justify-content: space-between;
    padding: 1.7875rem 0.525rem 1.4125rem;
  }
  .main .list__item {
    display: flex;
    align-items: center;
    flex-direction: column;
  }
  .main .list__item img {
    width: 1.4rem;
    height: 1.4rem;
    margin-bottom: 0.75rem;
  }
  .main .list__item h3 {
    margin-bottom: 0.4rem;
    font-size: 20px;
    line-height: 20px;
    color: #323442;
  }
  .main .list__item span {
    display: inline-block;
    width: 3.3375rem;
    text-align: center;
    font-size: 16px;
    font-weight: 500;
    color: #323442;
    line-height: 30px;
  }
  .main .introduce {
    display: flex;
    justify-content: space-between;
  }
  .main .introduce__left {
    margin-right: 0.4875rem;
    width: 3.5875rem;
    justify-content: space-between;
    display: flex;
    flex-direction: column;
  }
  .main .introduce__left .subtitle {
    width: 2.4375rem;
  }
  .main .introduce__left .title {
    margin-bottom: 0.4rem;
    font-size: 20px;
    line-height: 20px;
    color: #222328;
    margin-top: -0.125rem;
    position: relative;
    letter-spacing: 2px;
  }
  .main .introduce__left .title::before {
    position: absolute;
    content: ' ';
    width: 1.4625rem;
    height: 3px;
    display: block;
    background-color: #0381d9;
    bottom: -6px;
    left: 0;
  }
  .main .introduce__left .logo {
    width: 1.75rem;
  }
  .main .introduce__left .time {
    width: 100%;
    background: #f7f7f7;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.275rem 0.3rem;
  }
  .main .introduce__left .time span {
    font-size: 40px;
    font-weight: bold;
    line-height: 40px;
    color: #595b66;
  }
  .main .introduce__left .time section {
    font-size: 30px;
    font-weight: 500;
    margin-top: 0.2125rem;
    color: #8e8f90;
  }
  .main .introduce__text {
    flex: 1;
    letter-spacing: 1px;
    text-align: justify;
    text-justify: inter-character;
  }
  .main .introduce__text p {
    font-size: 16px;
    font-weight: 500;
    color: #323442;
    line-height: 1.5;
    text-indent: 2em;
    margin-bottom: 0.25rem;
  }
  .main .quality {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1.25rem;
  }
  .main .quality img {
    width: 5.75rem;
    height: 5.3rem;
  }
  .main .quality section {
    /*width: 3.635rem;*/
    padding-left: 25px;
  }
  .main .quality section h3 {
    margin-bottom: 0.4rem;
    font-size: 20px;
    line-height: 20px;
    color: #323442;
  }
  .main .quality section h3 .subtitle {
    width: 3.2rem;
    height: 0.5rem;
  }
  .main .quality section h3 .title {
    margin-bottom: 0.4rem;
    font-size: 20px;
    line-height: 20px;
    color: #222328;
    margin-top: -0.125rem;
    letter-spacing: 2px;
    position: relative;
  }
  .main .quality section h3 .title::before {
    position: absolute;
    content: ' ';
    width: 1.4625rem;
    height: 3px;
    display: block;
    background-color: #0381d9;
    bottom: -6px;
    left: 0;
  }
  .main .quality section ul {
    margin-top: 0.475rem;
    font-size: 14px;
    letter-spacing: 1px;
    text-align: justify;
    text-justify: inter-character;
  }
  .main .quality section ul li {
    margin-bottom: 0.25rem;
    display: flex;
    padding-left: 0.375rem;
    position: relative;
    font-weight: 500;
    line-height: 26px;
  }
  .main .quality section ul li::before {
    content: ' ';
    display: block;
    width: 9px;
    height: 9px;
    transform: rotate(45deg);
    background: #0381d9;
    position: absolute;
    left: 0;
    top: 0.125rem;
  }
  .main .advantage {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1.25rem;
  }
  .main .advantage section h3 {
    margin-bottom: 0.4rem;
    font-size: 20px;
    line-height: 20px;
    color: #323442;
  }
  .main .advantage section h3 span {
    font-size: 36px;
    font-weight: bold;
    line-height: 40px;
    color: #d6d6d9;
  }
  .main .advantage section h3 .title {
    margin-bottom: 0.4rem;
    font-size: 20px;
    line-height: 20px;
    color: #222328;
    margin-top: -0.175rem;
    letter-spacing: 2px;
    position: relative;
  }
  .main .advantage section h3 .title::before {
    position: absolute;
    content: ' ';
    width: 1.4625rem;
    height: 3px;
    display: block;
    background-color: #0381d9;
    bottom: -6px;
    left: 0;
  }
  .main .advantage section ul {
    margin-top: 0.475rem;
    font-size: 14px;
    letter-spacing: 1px;
    text-align: justify;
    text-justify: inter-character;
  }
  .main .advantage section ul li {
    margin-bottom: 0.25rem;
    display: flex;
    padding-left: 0.375rem;
    position: relative;
    font-weight: 500;
    line-height: 26px;
  }
  .main .advantage section ul li::before {
    content: ' ';
    display: block;
    width: 9px;
    height: 9px;
    transform: rotate(45deg);
    background: #0381d9;
    position: absolute;
    left: 0;
    top: 0.125rem;
  }
  .main .advantage img {
    width: 12.0375rem;
    height: 5.975rem;
  }
  .main .business {
    margin: 1.25rem 0;
    background: url(../images/bg_2.png) center top;
    background-size: cover;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }
  .main .business__item {
    background-color: rgba(3, 129, 217, 0.5);
    border: 1px solid #c6dcef;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    height: 5.625rem;
    padding: 0.6rem;
  }
  .main .business__item img {
    width: 0.75rem;
    height: 0.75rem;
  }
  .main .business__item span {
    margin-top: 0.4625rem;
    font-size: 20px;
    font-weight: 500;
    line-height: 20px;
    color: #fff;
  }
  .main .business__item p {
    font-size: 16px;
    color: #fff;
    line-height: 1.5;
    margin-top: 0.4rem;
    transition: visibility 0.5s, opacity 0.5s;
    opacity: 0;
    display: none;
    text-align: center;
  }
  .main .business__item:hover {
    background-color: rgba(3, 129, 217, 0.8);
  }
  .main .business__item:hover p {
    display: block;
    visibility: visible;
    opacity: 1;
    animation: animate 5s ease infinite;
    overflow: hidden;
  }
  .footer__box {
    width: 100%;
    background-color: #323442;
  }
  .footer__box .footer {
    width: 1200px;
    margin: 0 auto;
    position: relative !important;
  }
  .footer__box .footer .foot {
    width: 100%;
    height: 300px;
    background-color: #323442;
    padding-top: 60px;
    display: flex;
    align-items: center;
    flex-direction: column;
  }
  .footer__box .footer .foot .logo {
    width: 280px;
    margin-bottom: 47px;
  }
  .footer__box .footer .foot .menu {
    margin-bottom: 19px;
    color: #c1c2c6;
    display: flex;
    align-items: center;
  }
  .footer__box .footer .foot .menu__item {
    display: flex;
    border: 1px solid #adadb3;
  }
  .footer__box .footer .foot .menu__item:not(:first-child) {
    margin-left: 18px;
  }
  .footer__box .footer .foot .menu__item__icon {
    padding: 14px;
    border-right: 1px solid #adadb3;
  }
  .footer__box .footer .foot .menu__item__icon i {
    font-size: 16px;
    color: #fff;
  }
  .footer__box .footer .foot .menu__item__text {
    padding: 14px;
    font-size: 14px;
    font-weight: 600;
    line-height: 20px;
  }
  .footer__box .footer .foot p {
    margin-bottom: 13px;
    color: #a6a7ae;
    font-size: 14px;
    font-weight: normal;
    line-height: 20px;
  }
  .footer__box .footer .foot span {
    font-size: 14px;
    font-weight: normal;
    line-height: 16px;
    color: #c0c1c5;
  }
  @keyframes animate {
    from {
      height: 0px;
      top: 400px;
    }
    to {
      height: 100%;
      top: 0px;
    }
  }
}
@media screen and (max-width: 750px) {
  body {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: auto;
  }
  .banner img {
    width: 100%;
    height: 4rem;
  }
  .main__box {
    width: 100%;
    background-color: #fff;
  }
  .main {
    width: 100%;
  }
  .main .list {
    display: flex;
    justify-content: space-between;
    padding: 0.35rem 0.2rem;
  }
  .main .list__item {
    display: flex;
    align-items: center;
    flex-direction: column;
    width: 33.3%;
  }
  .main .list__item img {
    width: 0.9rem;
    height: 0.9rem;
    margin-bottom: 0.35rem;
  }
  .main .list__item h3 {
    margin-bottom: 0.4rem;
    font-size: 16px;
    line-height: 20px;
    color: #323442;
  }
  .main .list__item span {
    display: inline-block;
    text-align: center;
    font-size: 16px;
    font-weight: 500;
    color: #323442;
    line-height: 30px;
  }
  .main .introduce {
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    padding: 0.2rem;
  }
  .main .introduce__left {
    width: 100%;
    display: flex;
    justify-content: space-between;
  }
  .main .introduce__left .subtitle {
    width: 2.4375rem;
  }
  .main .introduce__left .title {
    margin-bottom: 0.4rem;
    font-size: 20px;
    line-height: 20px;
    color: #222328;
    margin-top: -0.125rem;
    position: relative;
    letter-spacing: 2px;
  }
  .main .introduce__left .title::before {
    position: absolute;
    content: ' ';
    width: 1.4625rem;
    height: 3px;
    display: block;
    background-color: #0381d9;
    bottom: -6px;
    left: 0;
  }
  .main .introduce__left .logo {
    width: 2rem;
  }
  .main .introduce__left .time {
    flex: 1;
    background: #f7f7f7;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.275rem 0.3rem;
  }
  .main .introduce__left .time span {
    font-size: 28px;
    font-weight: bold;
    line-height: 40px;
    color: #595b66;
  }
  .main .introduce__left .time section {
    font-size: 20px;
    font-weight: 500;
    margin-top: 0.2125rem;
    color: #8e8f90;
  }
  .main .introduce__text {
    flex: 1;
  }
  .main .introduce__text p {
    font-size: 16px;
    font-weight: 500;
    color: #323442;
    line-height: 1.5;
    text-indent: 2em;
    margin-bottom: 0.25rem;
  }
  .main .quality {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-direction: column;
  }
  .main .quality img {
    width: 100%;
  }
  .main .quality img:nth-child(1) {
    order: 2;
  }
  .main .quality section {
    padding: 0.2rem;
  }
  .main .quality section h3 {
    margin-bottom: 0.4rem;
    font-size: 20px;
    line-height: 20px;
    color: #323442;
  }
  .main .quality section h3 .subtitle {
    width: 4.925rem;
    height: 0.5rem;
  }
  .main .quality section h3 .title {
    margin-bottom: 0.4rem;
    font-size: 20px;
    line-height: 20px;
    color: #222328;
    margin-top: -0.125rem;
    letter-spacing: 2px;
    position: relative;
  }
  .main .quality section h3 .title::before {
    position: absolute;
    content: ' ';
    width: 1.4625rem;
    height: 3px;
    display: block;
    background-color: #0381d9;
    bottom: -6px;
    left: 0;
  }
  .main .quality section ul li {
    display: flex;
    padding-left: 0.375rem;
    position: relative;
    font-weight: 500;
    line-height: 26px;
    font-size: 16px;
  }
  .main .quality section ul li:not(:first-child) {
    margin-top: 0.25rem;
  }
  .main .quality section ul li::before {
    content: ' ';
    display: block;
    width: 9px;
    height: 9px;
    transform: rotate(45deg);
    background: #0381d9;
    position: absolute;
    left: 0;
    top: 0.125rem;
  }
  .main .advantage {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-direction: column;
  }
  .main .advantage section {
    padding: 0.2rem;
  }
  .main .advantage section h3 {
    margin-bottom: 0.4rem;
    font-size: 20px;
    line-height: 20px;
    color: #323442;
  }
  .main .advantage section h3 span {
    font-size: 36px;
    font-weight: bold;
    line-height: 40px;
    color: #d6d6d9;
  }
  .main .advantage section h3 .title {
    margin-bottom: 0.4rem;
    font-size: 20px;
    line-height: 20px;
    color: #222328;
    margin-top: -0.175rem;
    letter-spacing: 2px;
    position: relative;
  }
  .main .advantage section h3 .title::before {
    position: absolute;
    content: ' ';
    width: 1.4625rem;
    height: 3px;
    display: block;
    background-color: #0381d9;
    bottom: -6px;
    left: 0;
  }
  .main .advantage section ul li {
    margin-bottom: 0.25rem;
    display: flex;
    padding-left: 0.375rem;
    position: relative;
    font-weight: 500;
    line-height: 26px;
    font-size: 16px;
  }
  .main .advantage section ul li::before {
    content: ' ';
    display: block;
    width: 9px;
    height: 9px;
    transform: rotate(45deg);
    background: #0381d9;
    position: absolute;
    left: 0;
    top: 0.125rem;
  }
  .main .advantage img {
    width: 100%;
  }
  .main .business {
    margin: 1.25rem 0;
    background: url(../images/bg_2.png) center top;
    background-size: cover;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }
  .main .business__item {
    background-color: rgba(3, 129, 217, 0.5);
    border: 1px solid #c6dcef;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    height: 5.625rem;
    padding: 0.2rem;
  }
  .main .business__item img {
    width: 0.75rem;
    height: 0.75rem;
  }
  .main .business__item span {
    margin-top: 0.4625rem;
    font-size: 16px;
    font-weight: 500;
    line-height: 20px;
    color: #fff;
    text-align: center;
  }
  .main .business__item p {
    font-size: 16px;
    color: #fff;
    line-height: 1.5;
    margin-top: 0.4rem;
    transition: visibility 0.5s, opacity 0.5s;
    opacity: 0;
    display: none;
    text-align: center;
  }
  .main .business__item:hover {
    background-color: rgba(3, 129, 217, 0.8);
  }
  .main .business__item:hover p {
    display: block;
    visibility: visible;
    opacity: 1;
    animation: animate 5s ease infinite;
    overflow: hidden;
  }
  @keyframes animate {
    from {
      height: 0px;
      top: 400px;
    }
    to {
      height: 100%;
      top: 0px;
    }
  }
}